/* surfdoc.css v1.0.0 — Unified CSS for the Surf Suite
   CloudSurf Software LLC — https://cloudsurf.com

   A single stylesheet for app chrome AND SurfDoc content rendering.
   Dark-first theme with CSS custom property theming.

   Customization:
   - Override :root variables for accent, surface, background, fonts
   - Use data-theme="light" for explicit light mode
   - System preference auto-detected via prefers-color-scheme
*/

/* ============================================================
   1. THEME VARIABLES
   ============================================================ */

:root {
    /* ── Surf Shell light palette (canonical — Reference loads data-theme="light") ── */
    /* Accent — Surf Blue */
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-light: #3b82f6;
    --accent-soft: #e3ebff;          /* --surf-shell-accent-soft */
    --accent-text: #ffffff;          /* text on top of --accent (theme-invariant) */

    /* Backgrounds */
    --background: #f7f8fc;            /* --surf-shell-page */
    --surface: #ffffff;              /* --surf-shell-sheet */
    --surface-alt: #eef1f7;          /* --surf-shell-soft */
    --surface-hover: #eef1f7;        /* alias → soft (back-compat) */
    --surface-code: #ffffff;         /* alias → sheet (back-compat) */

    /* Borders */
    --border: #dde2ec;               /* --surf-shell-line */
    --border-light: #dde2ec;         /* alias → line (back-compat) */

    /* Text */
    --text: #0f1422;                 /* --surf-shell-text */
    --text-muted: #636a7e;           /* shell muted retuned for WCAG AA: ≥4.5 on --surface-alt (#eef1f7), was #6b7388 @ 4.19 */
    --text-faint: #636a7e;           /* alias → muted (back-compat) */
    --text-secondary: #636a7e;       /* alias → muted (app-shell widgets) */

    /* Aliases used by app-shell / chat widgets (back-compat) */
    --bg: #f7f8fc;                   /* alias → page */
    --green: #22c55e;                /* alias → success */

    /* Code */
    --code-bg: #f7f8fc;

    /* Semantic colors */
    --danger: #ef4444;
    --danger-light: rgba(239, 68, 68, 0.08);
    --success: #22c55e;
    --success-light: rgba(34, 197, 94, 0.08);
    --warning: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.08);

    /* Radii — all sharp (2px). Circle reserved for avatars/dots only. */
    --radius: 2px;
    --radius-sm: 2px;
    --radius-circle: 50%;

    /* ── Style-pack contract tokens (rendering annex) ──────────────
       Defaults = the "Surf Simple" pack: pill controls + 14px cards,
       matching the Surf app shell. Style packs (container-injected or
       host-page overrides) re-set ONLY these tokens — packs change
       visuals, never layout. Doc-prose blocks keep --radius/--radius-sm. */
    --ws-radius-card: 14px;          /* hero, feature/stat/product/testimonial cards */
    --ws-radius-btn: 999px;          /* hero buttons, CTAs — pill */
    --ws-radius-chip: 999px;         /* badges, hero badge — pill */
    --ws-radius-img: 10px;           /* images inside web blocks, icon tiles */
    --ws-border-w: 1px;
    --ws-border-style: solid;
    --ws-shadow: none;               /* card shadow recipe (Comic: hard-offset) */
    --ws-shadow-hover: 0 6px 16px rgba(15, 23, 42, 0.08); /* card hover lift */
    --ws-bg-texture: none;           /* page background image/texture layer */
    /* Hero surface — derived from the palette accent (NOT hardcoded purple),
       so all six palettes produce a designed-looking gradient. */
    --ws-hero-bg: linear-gradient(135deg, var(--accent), color-mix(in oklab, var(--accent) 58%, #312e81));

    /* Web-block component tokens — a consumer WaveSite overrides these VALUES
       (DOG-3) to retheme hero/feature blocks without touching layout. Each
       default below == the literal it replaced in the rule, so an unset token
       is a visual no-op (no consumer change until a value is supplied). */
    --ws-hero-btn-radius: var(--ws-radius-btn);          /* hero action buttons */
    --ws-cta-radius: var(--ws-radius-btn);               /* standalone CTA button */
    --ws-feature-card-bg: var(--surface-alt);            /* feature-card surface */
    --ws-feature-card-pad: 1.5rem;                       /* feature-card padding */
    --ws-feature-card-radius: var(--ws-radius-card);     /* feature-card corner */
    --ws-feature-card-hover-transform: translateY(-2px); /* feature-card hover lift */

    /* Shadows */
    --shadow-sm: none;
    --shadow: none;

    /* ── Typography: font stacks ── */
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: "SF Mono", "Fira Code", "Cascadia Code", Menlo, Consolas, monospace;

    /* ── Typography: semantic size scale ── */
    --font-size-micro: 11px;         /* status badges, microlabel */
    --font-size-caption: 12px;       /* helper text, footnote, table cell */
    --font-size-ui: 13px;            /* dense UI, drawer row, button */
    --font-size-body: 15px;          /* default paragraph */
    --font-size-body-lg: 16px;       /* long-form prose */
    --font-size-h3: 18px;            /* subsection / card title */
    --font-size-h2: 20px;            /* section title */
    --font-size-h1: 24px;            /* page header */
    --font-size-display: 32px;       /* hero / display */

    /* ── Typography: weights ── */
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* ── Typography: tracking ── */
    --tracking-tight: -0.02em;
    --tracking-normal: 0;
    --tracking-wide: 0.05em;

    /* ── Shell re-skin hooks ──────────────────────────────────────
       Defaults equal today's neutral shell values → zero visual change
       for existing consumers. A host page can override these (e.g. a
       frosted-glass nav) without re-declaring the whole shell rules. */
    --shell-nav-bg: var(--surface);
    --shell-btn-bg: var(--surface);
    --shell-drawer-bg: var(--surface);
    --shell-drawer-link-hover-bg: var(--surface-hover);
    --shell-control-border: var(--border);
    --shell-nav-h: 56px;
}

/* ============================================================
   2. THEME OVERRIDES
   ============================================================ */

/* Explicit light mode toggle — same as :root (light is canonical). */
[data-theme="light"] {
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-light: #3b82f6;
    --accent-soft: #e3ebff;
    --accent-text: #ffffff;
    --background: #f7f8fc;
    --surface: #ffffff;
    --surface-alt: #eef1f7;
    --surface-hover: #eef1f7;
    --surface-code: #ffffff;
    --border: #dde2ec;
    --border-light: #dde2ec;
    --text: #0f1422;
    --text-muted: #636a7e;
    --text-faint: #636a7e;
    --text-secondary: #636a7e;
    --bg: #f7f8fc;
    --green: #22c55e;
    --code-bg: #f7f8fc;
    --danger-light: rgba(239, 68, 68, 0.08);
    --success-light: rgba(34, 197, 94, 0.08);
    --warning-light: rgba(245, 158, 11, 0.08);
    --shadow-sm: none;
    --shadow: none;
}

/* Explicit dark mode toggle — Surf shell PURE-BLACK dark palette (aligned to the
   Reference's `.sd-*` mocks, which resolve through the surf-shell tokens:
   page #000, sheet #0a0a0a, soft #161616, line #262626, text #fafafa, muted
   #a3a3a3). Part C alignment: the render was previously on the tokens.css
   blue-cast neutrals (#111118/#1e1e2a/#e5e5ef), one step lighter and bluer than
   the reference — this retunes the render dark palette to match the reference
   pixel-for-token. Light mode is untouched. */
[data-theme="dark"] {
    --accent: #2563eb;               /* brand accent (stays blue) */
    --accent-hover: #2563eb;
    --accent-light: #60a5fa;
    --accent-soft: rgba(37, 99, 235, 0.18);
    --accent-text: #ffffff;
    --background: #000000;           /* reference body: pure black */
    --surface: #0d0d0d;              /* neutral, lifted off black */
    --surface-alt: #161616;          /* reference cards: neutral gray */
    --surface-hover: #161616;        /* neutral */
    --surface-code: #0d0d0d;         /* neutral */
    --border: #262626;               /* neutral line */
    --border-light: #2a2a2a;         /* neutral line (light) */
    --text: #e5e5e5;                 /* neutral text */
    --text-muted: #8b8b8b;           /* neutral muted */
    --text-faint: #7f7f7f;           /* fainter, but AA: ≥4.5 on --surface-alt (#161616), was #5a5a5a @ 2.82 */
    --text-secondary: #cbcbcb;       /* neutral secondary */
    --bg: #000000;                   /* alias → pure black body */
    --green: #22c55e;                /* alias → success (explicit in dark) */
    --code-bg: #0d0d0d;              /* neutral */
    --danger-light: rgba(239, 68, 68, 0.1);
    --success-light: rgba(34, 197, 94, 0.1);
    --warning-light: rgba(245, 158, 11, 0.1);
    --shadow-sm: none;
    --shadow: none;
}

/* Auto-detect: dark mode only when the OS asks and no explicit theme set. */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
        --accent: #2563eb;               /* brand accent (stays blue) */
        --accent-hover: #2563eb;
        --accent-light: #60a5fa;
        --accent-soft: rgba(37, 99, 235, 0.18);
        --accent-text: #ffffff;
        --background: #000000;           /* reference body: pure black */
        --surface: #0d0d0d;              /* neutral, lifted off black */
        --surface-alt: #161616;          /* reference cards: neutral gray */
        --surface-hover: #161616;        /* neutral */
        --surface-code: #0d0d0d;         /* neutral */
        --border: #262626;               /* neutral line */
        --border-light: #2a2a2a;         /* neutral line (light) */
        --text: #e5e5e5;                 /* neutral text */
        --text-muted: #8b8b8b;           /* neutral muted */
        --text-faint: #7f7f7f;           /* fainter, but AA on --surface-alt (see [data-theme="dark"]) */
        --text-secondary: #cbcbcb;       /* neutral secondary */
        --bg: #000000;                   /* alias → pure black body */
        --green: #22c55e;                /* alias → success (explicit in dark) */
        --code-bg: #0d0d0d;              /* neutral */
        --danger-light: rgba(239, 68, 68, 0.1);
        --success-light: rgba(34, 197, 94, 0.1);
        --warning-light: rgba(245, 158, 11, 0.1);
        --shadow-sm: none;
        --shadow: none;
    }
}

/* ============================================================
   3. RESET & BASE
   ============================================================ */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--background);
    background-image: var(--ws-bg-texture); /* style-pack texture hook (Surf Simple: none) */
    overflow-x: clip; /* clip (not hidden) — prevents scrollbar-gutter slide while keeping sticky/overflow-y intact */
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    color: var(--accent-hover);
}

img {
    max-width: 100%;
    height: auto;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: var(--radius-sm); }

/* ============================================================
   4. NAVIGATION (app chrome)
   ============================================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 15, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

[data-theme="light"] .nav {
    background: rgba(255, 255, 255, 0.88);
}

@media (prefers-color-scheme: light) {
    :root:not([data-theme]) .nav {
        background: rgba(255, 255, 255, 0.88);
    }
}

.nav-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
    font-weight: 700;
    font-size: 1.125rem;
    text-decoration: none;
}

.nav-brand:hover { color: var(--text); }

.nav-emblem {
    width: 26px;
    height: 26px;
    border-radius: var(--radius-sm);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    text-decoration: none;
}

.nav-link:hover {
    color: var(--text);
}

.nav-link.active,
.nav-link-active {
    color: var(--text);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    background: var(--accent);
    color: #fff;
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-decoration: none;
}

.nav-cta:hover {
    background: var(--accent-hover);
    color: #fff;
}

/* Theme toggle */
.nav-theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
}

.nav-theme-toggle:hover {
    color: var(--text);
}

.nav-theme-toggle .icon-moon { display: none; }
[data-theme="light"] .nav-theme-toggle .icon-sun { display: none; }
[data-theme="light"] .nav-theme-toggle .icon-moon { display: block; }

/* Mobile hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 36px;
    height: 36px;
    padding: 8px;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    transition: transform 200ms ease, opacity 200ms ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Nav badge (notification count) */
.nav-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: var(--radius-sm);
    background: var(--danger);
    color: #fff;
    font-size: 0.6875rem;
    font-weight: 700;
    line-height: 1;
}

main {
    padding-top: var(--shell-nav-h);
}

/* ============================================================
   5. BUTTONS
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.9375rem;
    line-height: 1;
    cursor: pointer;
    min-height: 44px;
    border: none;
    text-decoration: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
    color: #fff;
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    background: var(--surface);
    color: var(--text);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: #dc2626;
    color: #fff;
}

.btn-success {
    background: var(--success);
    color: #fff;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8125rem;
    min-height: 32px;
    border-radius: var(--radius-sm);
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================================
   6. CARDS & GRIDS
   ============================================================ */

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

.card-title {
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.card-body {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.card-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

/* ============================================================
   7. SECTIONS
   ============================================================ */

.section {
    border-top: 1px solid var(--border);
}

.section-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 80px 24px;
}

.section-header {
    text-align: center;
}

.section-headline {
    font-weight: 700;
    font-size: clamp(1.5rem, 4vw, 2rem);
    line-height: 1.2;
    margin-bottom: 12px;
    letter-spacing: -0.03em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 48px;
    max-width: 560px;
}

.section-header .section-subtitle {
    margin-left: auto;
    margin-right: auto;
}

.section-muted {
    background: var(--surface);
}

/* ============================================================
   8. HERO
   ============================================================ */

.hero {
    text-align: center;
}

.hero-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 120px 24px 96px;
}

.hero-headline {
    font-weight: 800;
    font-size: clamp(2.25rem, 6vw, 3rem);
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -0.035em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 36px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--accent-light);
    background: transparent;
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius);
    padding: 6px 14px;
    margin-bottom: 24px;
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    animation: sui-pulse 2s ease-in-out infinite;
}

@keyframes sui-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-accent {
    color: var(--accent-light);
}

/* ============================================================
   9. TABLES (app chrome)
   ============================================================ */

.table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.table,
.platform-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.table th,
.platform-table th {
    text-align: left;
    padding: 12px 16px;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.table td,
.platform-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
}

.table tbody tr:hover,
.platform-table tbody tr:hover {
    background: var(--surface);
}

.platform-file {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Comparison table */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.comparison-table th {
    text-align: left;
    padding: 12px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    font-weight: 700;
    font-size: 0.8125rem;
    white-space: nowrap;
}

.comparison-table td {
    padding: 12px 16px;
    border: 1px solid var(--border);
    vertical-align: top;
}

.comparison-table tbody tr:hover { background: var(--surface); }
.comparison-table td:first-child { font-weight: 600; white-space: nowrap; }
.comparison-highlight { background: rgba(59, 130, 246, 0.06); }

/* ============================================================
   10. FORMS (app chrome)
   ============================================================ */

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 10px 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: inherit;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-result {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    margin-top: 16px;
}

.form-result.success {
    background: var(--success-light);
    color: var(--success);
}

.form-result.error {
    background: var(--danger-light);
    color: var(--danger);
}

/* ============================================================
   11. BADGES & STATUS
   ============================================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge:empty { display: none; }

.badge-available,
.badge-success {
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.25);
    color: #22c55e;
}

.badge-coming,
.badge-warning {
    background: rgba(234, 179, 8, 0.12);
    border: 1px solid rgba(234, 179, 8, 0.25);
    color: #eab308;
}

.badge-primary {
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.25);
    color: var(--accent);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: #ef4444;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-supported {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.1);
}

.status-supported .status-dot { background: #22c55e; }

.status-planned {
    color: var(--accent-light);
    background: rgba(59, 130, 246, 0.1);
}

.status-planned .status-dot { background: var(--accent-light); }

/* ============================================================
   12. ALERTS
   ============================================================ */

.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    margin-bottom: 16px;
}

.alert-error {
    background: var(--danger-light);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-success {
    background: var(--success-light);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.alert-info {
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: var(--text);
}

.alert-info strong { color: var(--accent); }

/* ============================================================
   13. CODE BLOCKS (app chrome)
   ============================================================ */

.code-block {
    position: relative;
    background: #0d0d14;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
}

.code-block pre {
    margin: 0;
    padding: 16px;
    overflow-x: auto;
    font-size: 0.875rem;
    line-height: 1.7;
}

.code-block code {
    font-family: var(--font-mono);
    color: var(--text);
    background: none;
}

.code-copy {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 4px 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.75rem;
    font-family: inherit;
    cursor: pointer;
    z-index: 2;
}

.code-copy:hover {
    color: var(--text);
    border-color: var(--border-light);
}

/* Syntax highlighting — dark */
.code-block .kw { color: #c792ea; }
.code-block .str { color: #c3e88d; }
.code-block .cm { color: #546e7a; }
.code-block .fn { color: #82aaff; }
.code-block .num { color: #f78c6c; }
.code-block .attr { color: #ffcb6b; }
.code-block .tag { color: #f07178; }
.code-block .punct { color: #89ddff; }

/* Syntax highlighting — light */
[data-theme="light"] .code-block .kw { color: #7c3aed; }
[data-theme="light"] .code-block .str { color: #16a34a; }
[data-theme="light"] .code-block .cm { color: #94a3b8; }
[data-theme="light"] .code-block .fn { color: #2563eb; }
[data-theme="light"] .code-block .num { color: #ea580c; }
[data-theme="light"] .code-block .attr { color: #b45309; }
[data-theme="light"] .code-block .tag { color: #dc2626; }
[data-theme="light"] .code-block .punct { color: #0891b2; }

/* Inline code */
:not(pre) > code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    padding: 2px 6px;
    background: rgba(255,255,255,0.06);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--accent-light);
}

/* ============================================================
   14. STATS
   ============================================================ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 48px;
}

.stat-item {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 24px;
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ============================================================
   15. STEPS
   ============================================================ */

.steps-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    counter-reset: step;
}

.step-card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 24px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 0;
}

.step-number {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.75rem;
}

.step-card h3 {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 4px;
}

.step-card p {
    color: var(--text-muted);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* ============================================================
   16. CAPABILITY GRID
   ============================================================ */

.capability-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.capability-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

.capability-card h3 {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 8px;
}

.capability-card p {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.capability-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.capability-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.capability-location {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ============================================================
   17. FOOTER (app chrome)
   ============================================================ */

.footer {
    border-top: 1px solid var(--border);
    padding: 56px 0 32px;
}

.footer-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer-columns {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.footer-brand-icon {
    color: var(--accent);
    font-family: var(--font-mono);
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.footer-heading {
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text);
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-decoration: none;
}

.footer-links a:hover { color: var(--text); }

.footer-text {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 8px;
}

.footer-text a {
    color: var(--accent-light);
    text-decoration: none;
}

.footer-text a:hover { color: var(--accent); }

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ============================================================
   18. MODAL
   ============================================================ */

dialog.modal {
    max-width: 440px;
    width: calc(100% - 48px);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    padding: 24px;
}

dialog.modal::backdrop {
    background: rgba(0, 0, 0, 0.6);
}

dialog.modal h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.modal-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 24px;
}

/* ============================================================
   19. EMPTY STATE
   ============================================================ */

.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
    font-size: 0.9375rem;
}

/* ============================================================
   20. UTILITIES
   ============================================================ */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.text-muted { color: var(--text-muted); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }

/* ============================================================
   21. FOCUS ACCESSIBILITY
   ============================================================ */

.btn:focus-visible,
.nav-link:focus-visible,
.form-input:focus-visible,
.form-textarea:focus-visible,
.form-select:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}


/* ================================================================
   ================================================================
   SURFDOC CONTENT RENDERING
   ================================================================
   ================================================================ */


/* ============================================================
   22. SURFDOC LAYOUT
   ============================================================ */

/* NAV CLIPPING FIX (A2 §5): overflow-x:hidden removed so the full-bleed
   .surfdoc-nav (width:100vw + margin-left:calc(-50vw+50%)) is not clipped.
   Wide blocks keep their own overflow-x:auto (.surfdoc-table-wrap, .surfdoc-code pre). */
.surfdoc { max-width: 48rem; margin: 0 auto; padding: 2rem 1.5rem 4rem; line-height: 1.7; font-family: var(--font-body); color: var(--text); overflow-wrap: break-word; }

/* Responsive table scroll wrapper — looks like Reference .sd-data container.
   Keeps overflow-x:auto so wide tables scroll inside their own box. */
.surfdoc-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 1.5rem 0; border: 1px solid var(--border); border-radius: var(--radius-sm); }

/* Inline icons */
.surfdoc-icon { display: inline-flex; align-items: center; vertical-align: middle; line-height: 0; }
.surfdoc-icon svg { width: 1em; height: 1em; }

/* Sections — uniform background (auto-alternating backgrounds were removed:
   they full-bled to 100vw and broke any embedded/constrained layout). */
.surfdoc-section { padding: 2rem 0; }
.surfdoc-section h2 { margin-top: 0; }

/* ============================================================
   23. SURFDOC IN-DOCUMENT NAVIGATION
   ============================================================ */

/* ── Nav shell: sticky topbar + slide-in left drawer + theme toggle ── */
/* display:contents so the sticky topbar's containing block is .surfdoc (the tall
   article) rather than this short wrapper — otherwise the topbar un-sticks the
   moment you scroll past the nav's own height. */
.surfdoc-nav { display: contents; }
.surfdoc-nav-toggle { position: absolute; width: 0; height: 0; opacity: 0; pointer-events: none; }

.surfdoc-nav-topbar { display: flex; align-items: stretch; height: 64px; padding-left: 10px; background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; width: 100vw; margin-left: calc(-50vw + 50%); margin-top: -2rem; margin-bottom: 1.5rem; }
.surfdoc-nav-topbar-left { display: flex; align-items: stretch; flex-shrink: 0; }
.surfdoc-nav-topbar-right { display: flex; align-items: center; gap: 6px; margin-left: auto; padding-right: 16px; flex-shrink: 0; }

.surfdoc-nav-hamburger { width: 64px; height: 64px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; cursor: pointer; color: var(--text); transition: background 120ms ease; }
.surfdoc-nav-hamburger:hover { background: var(--surface-alt); }
.surfdoc-nav-hamburger span { display: block; width: 24px; height: 2px; background: currentColor; border-radius: 1px; transition: transform 0.2s, opacity 0.2s; }
.surfdoc-nav-toggle:checked ~ .surfdoc-nav-topbar .surfdoc-nav-hamburger span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.surfdoc-nav-toggle:checked ~ .surfdoc-nav-topbar .surfdoc-nav-hamburger span:nth-child(2) { opacity: 0; }
.surfdoc-nav-toggle:checked ~ .surfdoc-nav-topbar .surfdoc-nav-hamburger span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.surfdoc-nav-logo { display: flex; align-items: center; padding: 0 16px; height: 64px; font-weight: var(--font-weight-bold); font-size: var(--font-size-body-lg); color: var(--text); text-decoration: none; white-space: nowrap; }
.surfdoc-nav-logo-img { height: 26px; width: auto; display: block; }
/* No underline on nav links (overrides the equal-specificity .surfdoc a:hover underline) */
.surfdoc-nav a, .surfdoc-nav a:hover { text-decoration: none !important; }

.surfdoc-nav-theme-toggle { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; padding: 0; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); color: var(--text-muted); cursor: pointer; transition: background 120ms ease, color 120ms ease; }
.surfdoc-nav-theme-toggle:hover { background: var(--surface-alt); color: var(--text); }
.surfdoc-nav-theme-toggle svg { width: 18px; height: 18px; }
.surfdoc-nav-theme-toggle .surfdoc-nav-icon-sun { display: none; }
.surfdoc-nav-theme-toggle .surfdoc-nav-icon-moon { display: block; }
[data-theme="dark"] .surfdoc-nav-theme-toggle .surfdoc-nav-icon-sun { display: block; }
[data-theme="dark"] .surfdoc-nav-theme-toggle .surfdoc-nav-icon-moon { display: none; }

.surfdoc-nav-drawer { position: fixed; top: 64px; left: 0; bottom: 0; width: 248px; max-width: 84vw; background: var(--surface); border-right: 1px solid var(--border); z-index: 120; transform: translateX(-100%); transition: transform 200ms cubic-bezier(0.2,0.8,0.2,1); overflow-y: auto; }
.surfdoc-nav-toggle:checked ~ .surfdoc-nav-drawer { transform: translateX(0); }
.surfdoc-nav-drawer-nav { display: flex; flex-direction: column; padding: 10px 10px; gap: 2px; }
/* .surfdoc prefix bumps specificity to (0,2,0), beating .surfdoc a (0,1,1) link color
   so nav rows read as neutral text, not raw blue links — accent is reserved for active. */
.surfdoc .surfdoc-nav-drawer-row { display: flex; align-items: center; gap: 11px; padding: 0 12px; min-height: 40px; border-radius: var(--radius-sm); color: var(--text); font-size: var(--font-size-ui); font-weight: var(--font-weight-medium); letter-spacing: -0.006em; text-decoration: none; transition: background 120ms ease, color 120ms ease; }
.surfdoc .surfdoc-nav-drawer-row:hover { background: var(--surface-alt); color: var(--accent); }
.surfdoc .surfdoc-nav-drawer-row.is-active { background: var(--accent-soft); color: var(--accent); font-weight: var(--font-weight-semibold); }
.surfdoc-nav-drawer-row .surfdoc-icon { display: inline-flex; align-items: center; width: 18px; height: 18px; flex-shrink: 0; }

.surfdoc-nav-scrim { position: fixed; inset: 64px 0 0 0; background: rgba(0,0,0,0.4); z-index: 110; opacity: 0; pointer-events: none; transition: opacity 200ms ease; cursor: pointer; }
.surfdoc-nav-toggle:checked ~ .surfdoc-nav-scrim { opacity: 1; pointer-events: auto; }
/* Background scroll-lock is handled in the nav's JS (with scrollbar-width
   compensation) so locking doesn't shift the full-bleed topbar. */

/* ============================================================
   24. SURFDOC TYPOGRAPHY
   ============================================================ */

.surfdoc h1, .surfdoc h2, .surfdoc h3, .surfdoc h4, .surfdoc h5, .surfdoc h6 { font-family: var(--font-heading); line-height: 1.3; color: var(--text); }
.surfdoc h1 { font-size: var(--font-size-h1); font-weight: var(--font-weight-bold); margin: 2.5rem 0 1rem; letter-spacing: var(--tracking-tight); }
.surfdoc h2 { font-size: var(--font-size-h2); font-weight: var(--font-weight-semibold); margin: 2rem 0 0.75rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--border); letter-spacing: var(--tracking-tight); }
.surfdoc h3 { font-size: var(--font-size-h3); font-weight: var(--font-weight-semibold); margin: 1.5rem 0 0.5rem; letter-spacing: var(--tracking-tight); }
.surfdoc h4 { font-size: var(--font-size-body-lg); font-weight: var(--font-weight-semibold); margin: 1.2rem 0 0.5rem; letter-spacing: -0.015em; }
.surfdoc h5, .surfdoc h6 { font-size: var(--font-size-ui); font-weight: var(--font-weight-semibold); margin: 1rem 0 0.5rem; text-transform: uppercase; letter-spacing: var(--tracking-wide); color: var(--text-muted); }
.surfdoc p { margin: 0.75rem 0; }
.surfdoc a { color: var(--accent-ink, var(--accent)); text-decoration: none; }
.surfdoc a:hover { text-decoration: underline; }
.surfdoc strong { font-weight: var(--font-weight-semibold); color: var(--text); }
.surfdoc em { color: var(--text-muted); }
/* Muted em is a prose treatment only — headings, card titles, and hero copy
   keep their own color (em inside a title was going gray). */
.surfdoc h1 em, .surfdoc h2 em, .surfdoc h3 em, .surfdoc h4 em, .surfdoc-hero em { color: inherit; }
.surfdoc ul, .surfdoc ol { margin: 0.5rem 0; padding-left: 1.5rem; }
.surfdoc li { margin: 0.25rem 0; }
.surfdoc li::marker { color: var(--text-muted); }
.surfdoc blockquote { border-left: 3px solid var(--border); padding: 0.5rem 0 0.5rem 1.5rem; margin: 1.25rem 0; background: transparent; border-radius: 0; font-style: italic; color: var(--text-muted); }
.surfdoc blockquote p { margin: 0.25rem 0; }
.surfdoc code { font-family: var(--font-mono); font-size: 0.85em; background: var(--surface-alt); padding: 0.15em 0.4em; border-radius: var(--radius-sm); color: var(--text); }
.surfdoc pre { background: var(--surface-code); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 1.2rem; overflow-x: auto; margin: 1.5rem 0; }
.surfdoc pre code { background: transparent; padding: 0; font-size: var(--font-size-caption); line-height: 1.65; font-family: var(--font-mono); color: var(--text); }
.surfdoc table { width: 100%; border-collapse: collapse; font-size: var(--font-size-caption); border: none; }
/* Wide tables scroll inside their wrapper instead of clipping on narrow viewports.
   .surfdoc-table-wrap already has overflow-x:auto; letting the table grow to its
   content width (rather than being squeezed to 100%) is what actually engages the
   scroll on a 390px screen. */
.surfdoc-table-wrap > table { width: auto; min-width: 100%; }
.surfdoc th { text-align: left; padding: 0.6rem 1rem; border-bottom: 1px solid var(--border); font-weight: var(--font-weight-semibold); color: var(--text-muted); font-size: var(--font-size-micro); text-transform: uppercase; letter-spacing: var(--tracking-wide); background: transparent; }
.surfdoc td { padding: 0.6rem 1rem; border-bottom: 1px solid var(--border); }
.surfdoc tr:last-child td { border-bottom: none; }
.surfdoc hr { border: none; border-top: 1px solid var(--border); margin: 2.5rem 0; }
.surfdoc img { max-width: 100%; border-radius: var(--radius-sm); }

/* ============================================================
   25. SURFDOC CALLOUTS
   ============================================================ */

/* Reference look: flex row with left accent stripe + icon + body.
   Tolerant of missing title (omit .surfdoc-callout-title) and missing icon. */
.surfdoc-callout { display: flex; gap: 12px; padding: 12px 14px; margin: 1.5rem 0; border: 1px solid var(--border); border-left-width: 3px; border-left-color: var(--accent); border-radius: var(--radius-sm); background: var(--surface-alt); }
.surfdoc-callout-icon { flex-shrink: 0; width: 18px; height: 18px; margin-top: 1px; color: var(--accent); stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.surfdoc-callout-title { font-weight: var(--font-weight-semibold); font-size: var(--font-size-ui); margin-bottom: 2px; color: var(--text); }
.surfdoc-callout-body { margin: 0; font-size: var(--font-size-ui); line-height: 1.55; color: var(--text); }
.surfdoc-callout-body p { margin: 0; }
.surfdoc-callout-body p + p { margin-top: 0.5rem; }
/* Legacy: bare <strong> heading inside a callout (markup without title div) */
.surfdoc-callout > strong { display: block; margin-bottom: 2px; font-weight: var(--font-weight-semibold); font-size: var(--font-size-ui); color: var(--text); }
.surfdoc-callout > p { margin: 0; font-size: var(--font-size-ui); line-height: 1.55; }

/* Per-type accent stripe + icon color */
.surfdoc-callout-tip { border-left-color: var(--accent); }
.surfdoc-callout-tip .surfdoc-callout-icon { color: var(--accent); }
.surfdoc-callout-info,
.surfdoc-callout-note { border-left-color: var(--accent); }
.surfdoc-callout-info .surfdoc-callout-icon,
.surfdoc-callout-note .surfdoc-callout-icon { color: var(--accent); }
.surfdoc-callout-success { border-left-color: var(--success); }
.surfdoc-callout-success .surfdoc-callout-icon { color: var(--success); }
.surfdoc-callout-warning { border-left-color: var(--warning); }
.surfdoc-callout-warning .surfdoc-callout-icon { color: var(--warning); }
.surfdoc-callout-danger { border-left-color: var(--danger); }
.surfdoc-callout-danger .surfdoc-callout-icon { color: var(--danger); }

/* ============================================================
   26. SURFDOC DATA TABLES
   ============================================================ */

/* B0: outer div keeps .surfdoc-table-wrap (styled as Reference .sd-data container,
   border + sharp radius — see §22). The <table> keeps .surfdoc-data. */
.surfdoc-data { width: 100%; border-collapse: collapse; font-size: var(--font-size-caption); border: none; }
.surfdoc-data thead th { text-align: left; padding: 8px 12px; background: var(--surface-alt); border-bottom: 1px solid var(--border); font-weight: var(--font-weight-semibold); color: var(--text); white-space: nowrap; text-transform: none; letter-spacing: 0; font-size: var(--font-size-caption); }
.surfdoc-data thead th[aria-sort]::after { content: " ↕"; color: var(--text-muted); }
.surfdoc-data tbody td { padding: 8px 12px; border-bottom: 1px solid var(--border); color: var(--text); }
.surfdoc-data tbody tr:last-child td { border-bottom: none; }
.surfdoc-data tbody td.num { font-family: var(--font-mono); text-align: right; }

/* ============================================================
   27. SURFDOC CODE
   ============================================================ */

/* Reference look: <figure> shell with optional <figcaption> header (file + lang badge)
   and a <pre><code> body. Tolerant of missing head (no file/lang). */
.surfdoc-code { margin: 1.5rem 0; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; background: var(--surface); }
.surfdoc-code-head { display: flex; align-items: center; gap: 8px; padding: 7px 12px; background: var(--surface-alt); border-bottom: 1px solid var(--border); }
.surfdoc-code-head:empty { display: none; }
.surfdoc-code-file { font-family: var(--font-mono); font-size: var(--font-size-micro); color: var(--text); }
.surfdoc-code-lang { margin-left: auto; font-family: var(--font-mono); font-size: var(--font-size-micro); text-transform: uppercase; letter-spacing: var(--tracking-wide); color: var(--text-muted); padding: 1px 6px; border: 1px solid var(--border); border-radius: var(--radius-sm); }
.surfdoc-code pre { margin: 0; padding: 12px 14px; background: var(--background); overflow-x: auto; }
.surfdoc-code code { font-family: var(--font-mono); font-size: var(--font-size-caption); line-height: 1.6; color: var(--text); white-space: pre; background: transparent; padding: 0; }
.surfdoc-code-hl { display: block; background: rgba(37, 99, 235, 0.14); box-shadow: inset 3px 0 0 var(--accent); margin: 0 -14px; padding: 0 14px; }
/* Back-compat: if markup still emits a bare <pre class="surfdoc-code" data-lang>, show a lang tag */
.surfdoc-code[data-lang]:not(:has(.surfdoc-code-head)) { position: relative; }
.surfdoc-code[data-lang]:not(:has(.surfdoc-code-head))::after { content: attr(data-lang); position: absolute; top: 0.5rem; right: 0.6rem; font-size: var(--font-size-micro); color: var(--text-muted); font-family: var(--font-mono); text-transform: uppercase; pointer-events: none; }

/* ============================================================
   28. SURFDOC TASK LISTS
   ============================================================ */

.surfdoc-tasks { list-style: none; margin: 1rem 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
/* Beat the generic `.surfdoc ul,.surfdoc ol { padding-left:1.5rem }` rule (same
   specificity, defined earlier) so the task list isn't indented 24px — the
   reference `.sd-tasks` has zero left padding. */
ul.surfdoc-tasks { padding-left: 0; }
.surfdoc-task { display: flex; align-items: center; gap: 10px; padding: 6px 4px; font-size: var(--font-size-ui); color: var(--text); }
.surfdoc-check { flex-shrink: 0; width: 16px; height: 16px; border: 1.5px solid var(--text-muted); border-radius: var(--radius-sm); display: inline-flex; align-items: center; justify-content: center; font-size: var(--font-size-micro); line-height: 1; color: #fff; }
.surfdoc-task.is-done .surfdoc-check { background: var(--success); border-color: var(--success); }
.surfdoc-task.is-done .surfdoc-task-text { color: var(--text-muted); text-decoration: line-through; }
.surfdoc-task-text { flex: 1; }
.surfdoc-assignee { font-family: var(--font-mono); font-size: var(--font-size-micro); color: var(--accent); padding: 1px 6px; border: 1px solid var(--border); border-radius: var(--radius-sm); }
/* Back-compat: legacy <li> with native checkbox + .assignee span */
.surfdoc-tasks li:not(.surfdoc-task) { display: flex; align-items: center; gap: 0.5rem; padding: 0.375rem 0.25rem; font-size: var(--font-size-ui); }
.surfdoc-tasks input[type="checkbox"] { accent-color: var(--accent); width: 16px; height: 16px; }
.surfdoc-tasks .assignee { color: var(--accent); font-size: var(--font-size-micro); margin-left: auto; }

/* ============================================================
   29. SURFDOC DECISION RECORDS
   ============================================================ */

/* Reference look: bordered card on soft surface, head row with status pill + date,
   body paragraph(s), optional deciders meta footer. Tolerant of missing date/meta. */
.surfdoc-decision { padding: 14px 16px; margin: 1.5rem 0; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-alt); }
.surfdoc-decision-header { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
/* B0 status pill: .surfdoc-decision-status + --accepted/--proposed/--rejected */
.surfdoc-decision-status, .surfdoc-decision .status { display: inline-block; font-family: var(--font-mono); font-size: var(--font-size-micro); font-weight: var(--font-weight-bold); text-transform: uppercase; letter-spacing: var(--tracking-wide); padding: 2px 8px; border-radius: var(--radius-sm); color: #fff; }
.surfdoc-decision-date, .surfdoc-decision .date { font-family: var(--font-mono); font-size: var(--font-size-micro); color: var(--text-muted); }
.surfdoc-decision-body p, .surfdoc-decision > p { margin: 0; font-size: var(--font-size-ui); line-height: 1.6; color: var(--text); }
.surfdoc-decision-body p + p, .surfdoc-decision > p + p { margin-top: 0.5rem; }
.surfdoc-decision-meta { margin-top: 10px; padding-top: 8px; border-top: 1px solid var(--border); font-size: var(--font-size-micro); color: var(--text-muted); }
.surfdoc-decision-meta:empty { display: none; }
/* Status variants (B0 double-dash + legacy single-dash wrapper variant) */
.surfdoc-decision-status--accepted, .surfdoc-decision-accepted .status { background: var(--success); }
.surfdoc-decision-status--proposed, .surfdoc-decision-proposed .status { background: var(--warning); color: #1a1205; }
.surfdoc-decision-status--rejected, .surfdoc-decision-rejected .status { background: var(--danger); }
.surfdoc-decision-status--superseded, .surfdoc-decision-superseded .status { background: var(--text-muted); }

/* ============================================================
   30. SURFDOC METRICS
   ============================================================ */

/* Reference look: flex row of metric cards; value+unit on line 1, label+trend on line 2. */
.surfdoc-metric-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 1rem 0; }
.surfdoc-metric { flex: 1; min-width: 120px; padding: 14px 16px; margin: 0.5rem 0.5rem 0.5rem 0; border: var(--ws-border-w) var(--ws-border-style) var(--border); border-radius: var(--ws-radius-card); box-shadow: var(--ws-shadow); background: var(--surface-alt); }
.surfdoc-metric-row .surfdoc-metric { margin: 0; }
.surfdoc-metric-value { font-size: var(--font-size-h1); font-weight: var(--font-weight-bold); letter-spacing: var(--tracking-tight); line-height: 1.1; color: var(--text); }
.surfdoc-metric-unit { font-size: var(--font-size-ui); font-weight: var(--font-weight-medium); color: var(--text-muted); }
.surfdoc-metric-label { margin-top: 6px; font-size: var(--font-size-caption); color: var(--text-muted); display: flex; align-items: center; gap: 8px; }
.surfdoc-trend { font-size: var(--font-size-micro); font-weight: var(--font-weight-semibold); }
.surfdoc-trend--up, .surfdoc-trend.up { color: var(--success); }
.surfdoc-trend--down, .surfdoc-trend.down { color: var(--danger); }
.surfdoc-trend--flat, .surfdoc-trend.flat { color: var(--text-muted); }
/* Back-compat: legacy inline metric with nested .label/.value/.unit/.trend */
.surfdoc-metric .label { color: var(--text-muted); font-size: var(--font-size-caption); font-weight: var(--font-weight-medium); }
.surfdoc-metric .value { font-size: var(--font-size-h2); font-weight: var(--font-weight-bold); color: var(--text); }
.surfdoc-metric .unit { color: var(--text-muted); font-size: var(--font-size-caption); }
.surfdoc-metric .trend { font-size: var(--font-size-ui); }
.surfdoc-metric .trend.up { color: var(--success); }
.surfdoc-metric .trend.down { color: var(--danger); }
.surfdoc-metric .trend.flat { color: var(--text-muted); }

/* ============================================================
   31. SURFDOC SUMMARIES
   ============================================================ */

.surfdoc-summary { padding: 12px 16px; margin: 1.5rem 0; border-left: 3px solid var(--accent); background: var(--surface-alt); border-radius: var(--radius-sm); }
.surfdoc-summary-label { font-family: var(--font-mono); font-size: var(--font-size-micro); font-weight: var(--font-weight-bold); text-transform: uppercase; letter-spacing: var(--tracking-wide); color: var(--accent); margin-bottom: 4px; }
.surfdoc-summary p { margin: 0; font-size: var(--font-size-ui); font-style: italic; line-height: 1.55; color: var(--text); }

/* ============================================================
   32. SURFDOC FIGURES
   ============================================================ */

/* Reference look (.sd-figure): 16/9 placeholder box that renders cleanly even
   when the image 404s; caption below centred in micro text. */
.surfdoc-figure { margin: 1.5rem 0; text-align: center; }
.surfdoc-figure-img {
    aspect-ratio: 16 / 9; display: grid; place-items: center;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    overflow: hidden;
    position: relative;
}
.surfdoc-figure-img img { width: 100%; height: 100%; object-fit: cover; display: block; position: absolute; inset: 0; }
/* Show image-placeholder icon when img is hidden (onerror removes it from flow) */
.surfdoc-figure-img::after {
    content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 24 24' fill='none' stroke='%236b7388' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='18' height='18' rx='2'/%3E%3Ccircle cx='8.5' cy='8.5' r='1.5'/%3E%3Cpolyline points='21 15 16 10 5 21'/%3E%3C/svg%3E");
    display: block;
    z-index: 0;
}
.surfdoc-figure-cap, .surfdoc-figure figcaption { margin-top: 6px; font-size: var(--font-size-micro); color: var(--text-muted); font-style: normal; text-align: center; }

/* ============================================================
   33. SURFDOC UNKNOWN BLOCKS
   ============================================================ */

.surfdoc-unknown { padding: 0.75rem 1rem; margin: 1.5rem 0; background: transparent; border: 1px dashed var(--border); border-radius: var(--radius-sm); color: var(--text-muted); font-size: var(--font-size-ui); }

/* ============================================================
   34. SURFDOC TABS
   ============================================================ */

/* Reference look (.sd-tabs): a flex bar of sharp pill-buttons; active tab gets
   accent background. Panel content below in ui-size text. */
.surfdoc-tabs { margin: 1.5rem 0; }
.surfdoc-tabs nav {
    display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 12px;
    background: transparent; border: none;
}
.surfdoc-tabs nav button {
    height: 30px; padding: 0 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-alt); color: var(--text-muted);
    font-size: var(--font-size-ui); font-weight: var(--font-weight-medium);
    cursor: pointer; font-family: inherit;
}
.surfdoc-tabs nav button:hover { color: var(--text); border-color: var(--text-muted); }
.surfdoc-tabs nav button.active {
    background: var(--accent); border-color: var(--accent); color: #fff;
    font-weight: var(--font-weight-semibold);
}
.surfdoc-tabs .tab-panel {
    font-size: var(--font-size-ui); line-height: 1.55; color: var(--text);
    display: none;
}
.surfdoc-tabs .tab-panel p { margin: 0; }
.surfdoc-tabs .tab-panel.active { display: block; }

/* ============================================================
   35. SURFDOC COLUMNS
   ============================================================ */

/* Reference look (.sd-columns): tight 12px gap, each column is a soft bordered
   card. h4 inside a column is a small-caps caption heading. */
.surfdoc-columns { display: grid; gap: 12px; margin: 1.25rem 0; }
/* Default: 2-col (most common). data-cols from the block attr overrides. */
.surfdoc-columns:not([data-cols]) { grid-template-columns: repeat(2, 1fr); }
.surfdoc-columns[data-cols="2"] { grid-template-columns: repeat(2, 1fr); }
.surfdoc-columns[data-cols="3"] { grid-template-columns: repeat(3, 1fr); }
.surfdoc-columns[data-cols="4"] { grid-template-columns: repeat(4, 1fr); }
.surfdoc-column {
    min-width: 0;
    padding: 12px 14px;
    font-size: var(--font-size-ui); line-height: 1.55;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-alt);
}
.surfdoc-column h4 { margin: 0 0 6px; font-size: var(--font-size-caption); font-weight: var(--font-weight-semibold); }
.surfdoc-column p { margin: 0; color: var(--text-muted); }

/* ============================================================
   36. SURFDOC QUOTES
   ============================================================ */

/* Reference look: blockquote root with left border; <p> body; quote-by attribution.
   Works whether root is <blockquote> or a wrapper containing a nested <blockquote>.
   The `blockquote.surfdoc-quote` selector (0,1,1) is needed to beat the generic
   `.surfdoc blockquote` rule (0,1,1, defined earlier) when the quote root is itself
   a <blockquote> — otherwise that generic rule forces padding-left:1.5rem (24px)
   and color:--text-muted, diverging from the reference's 16px pad + full-text color. */
.surfdoc-quote { margin: 1.5rem 0; padding: 8px 0 8px 16px; border-left: 3px solid var(--border); font-style: normal; background: none; color: var(--text); }
blockquote.surfdoc-quote { padding: 8px 0 8px 16px; color: var(--text); }
.surfdoc-quote p { font-style: normal; }
.surfdoc-quote p { margin: 0; font-size: var(--font-size-body-lg); line-height: 1.5; color: var(--text); }
.surfdoc-quote blockquote { border: none; padding: 0; margin: 0; background: none; font-size: var(--font-size-body-lg); font-style: italic; color: var(--text); line-height: 1.6; }
.surfdoc-quote-by, .surfdoc-quote .attribution { margin-top: 8px; font-size: var(--font-size-caption); color: var(--text-muted); font-style: normal; }
.surfdoc-quote-by cite, .surfdoc-quote .attribution cite { font-style: normal; }
.surfdoc-quote-by::before, .surfdoc-quote .attribution::before { content: "\2014\00a0"; }

/* ============================================================
   37. SURFDOC CTA BUTTONS
   ============================================================ */

/* CTA group — centers consecutive CTA buttons */
.surfdoc .surfdoc-cta-group { text-align: center; margin: 1rem 0; }

/* .surfdoc .surfdoc-cta (0,2,0) beats .surfdoc a (0,1,1) by specificity, matches <a> and <button> */
.surfdoc .surfdoc-cta { display: inline-block; padding: 0.625rem 1.5rem; margin: 0.5rem; border-radius: var(--ws-cta-radius); font-weight: var(--font-weight-semibold); font-size: var(--font-size-body); text-decoration: none; cursor: pointer; border: none; transition: background 120ms ease, border-color 120ms ease, color 120ms ease; }
.surfdoc > .surfdoc-cta { display: block; width: fit-content; margin: 1rem auto; text-align: center; }
.surfdoc .surfdoc-cta-primary { background: var(--accent); color: var(--accent-text, #fff); border: 1px solid var(--accent); }
.surfdoc .surfdoc-cta-primary:hover { background: var(--accent-hover); color: #fff; text-decoration: none; }
.surfdoc .surfdoc-cta-secondary { background: var(--surface-alt); color: var(--accent-ink, var(--accent)); border: 1px solid var(--border); }
.surfdoc .surfdoc-cta-secondary:hover { border-color: var(--text-muted); color: var(--accent-ink, var(--accent)); text-decoration: none; }

/* ============================================================
   38. SURFDOC HERO IMAGE
   ============================================================ */

.surfdoc-hero-image { margin: 2rem 0; text-align: center; }
.surfdoc-hero-image img { max-width: 100%; border-radius: var(--ws-radius-img); border: var(--ws-border-w) var(--ws-border-style) var(--border); }

/* ============================================================
   39. SURFDOC TESTIMONIALS
   ============================================================ */

/* Reference look (.sd-testimonial): quoted blockquote (not italic) + a
   figcaption with an accent initials-avatar and name/role meta. */
.surfdoc-testimonial { padding: 20px 24px; margin: 1.5rem 0; background: var(--surface-alt); border: var(--ws-border-w) var(--ws-border-style) var(--border); border-radius: var(--ws-radius-card); box-shadow: var(--ws-shadow); }
.surfdoc-testimonial blockquote { border: none; background: none; padding: 0; margin: 0 0 12px; font-size: var(--font-size-body-lg); font-style: normal; color: var(--text); line-height: 1.6; }
.surfdoc-testimonial-by { display: flex; align-items: center; gap: 10px; }
.surfdoc-testimonial-avatar { flex-shrink: 0; width: 34px; height: 34px; display: grid; place-items: center; border-radius: var(--radius-circle); background: var(--accent); color: #fff; font-size: var(--font-size-caption); font-weight: var(--font-weight-bold); }
.surfdoc-testimonial-meta { font-size: var(--font-size-caption); line-height: 1.35; color: var(--text); }
.surfdoc-testimonial-meta strong { font-size: var(--font-size-ui); }
.surfdoc-testimonial-meta span { color: var(--text-muted); }

/* ============================================================
   40. SURFDOC STYLE & SITE (invisible metadata)
   ============================================================ */

.surfdoc-style { display: none; }
.surfdoc-site { display: none; }

/* ============================================================
   41. SURFDOC FAQ ACCORDION
   ============================================================ */

.surfdoc-faq { display: flex; flex-direction: column; gap: 6px; margin: 1rem 0; }
.surfdoc-faq-item, .surfdoc-faq details { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.surfdoc-faq-item summary, .surfdoc-faq summary { cursor: pointer; list-style: none; padding: 10px 14px; font-size: var(--font-size-ui); font-weight: var(--font-weight-semibold); color: var(--text); display: flex; align-items: center; gap: 8px; }
.surfdoc-faq-item summary::-webkit-details-marker, .surfdoc-faq summary::-webkit-details-marker { display: none; }
.surfdoc-faq-item summary::after, .surfdoc-faq summary::after { content: "+"; margin-left: auto; color: var(--text-muted); font-size: var(--font-size-body-lg); }
.surfdoc-faq-item[open] summary::after, .surfdoc-faq details[open] summary::after { content: "\2212"; }
.surfdoc-faq summary:hover { color: var(--accent-ink, var(--accent)); }
.surfdoc-faq-answer, .surfdoc-faq .faq-answer { padding: 0 14px 12px; font-size: var(--font-size-caption); line-height: 1.55; color: var(--text-muted); }
.surfdoc-faq-answer p, .surfdoc-faq .faq-answer p { margin: 0; }

/* ============================================================
   42. SURFDOC PRICING TABLE
   ============================================================ */

/* Reference look (.sd-pricing): a grid of tier CARDS. Featured tier gets an
   accent border. Price `/suffix` renders muted; features are a bulleted list. */
.surfdoc-pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; margin: 1.5rem 0; }
.surfdoc-tier { padding: 14px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-alt); display: flex; flex-direction: column; gap: 8px; }
.surfdoc-tier-featured { border-color: var(--accent); }
.surfdoc-tier-name { font-size: var(--font-size-micro); text-transform: uppercase; letter-spacing: var(--tracking-wide); font-weight: var(--font-weight-semibold); color: var(--text-muted); }
.surfdoc-tier-price { font-size: var(--font-size-h2); font-weight: var(--font-weight-bold); letter-spacing: var(--tracking-tight); color: var(--text); }
.surfdoc-tier-price span { font-size: var(--font-size-ui); font-weight: var(--font-weight-regular); color: var(--text-muted); }
.surfdoc-tier ul { margin: 0; padding-left: 16px; font-size: var(--font-size-caption); color: var(--text-muted); line-height: 1.7; }

/* ============================================================
   43. SURFDOC PAGES
   ============================================================ */

.surfdoc-page { margin: 2rem 0; padding: 2rem 0; border-top: 2px solid var(--border); }
.surfdoc-page:first-of-type { border-top: none; margin-top: 0; }
.surfdoc-page[data-layout="hero"] { text-align: center; padding: 4rem 0; }
.surfdoc-page[data-layout="hero"] h1 { font-size: 2.5rem; margin-bottom: 1rem; }
.surfdoc-page[data-layout="hero"] p { font-size: 1.15rem; color: var(--text-muted); max-width: 36rem; margin: 0 auto 1.5rem; }
.surfdoc-page[data-layout="hero"] .surfdoc-cta { margin: 0.5rem; }
.surfdoc-page[data-layout="cards"] { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.surfdoc-page[data-layout="split"] { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

/* ============================================================
   44. SURFDOC EMBEDS
   ============================================================ */

/* Reference look (.sd-embed): compact link-card — icon + title + src text.
   No iframe so unembeddable URLs (youtu.be/xyz etc.) render cleanly. */
.surfdoc-embed {
    display: flex; gap: 12px; align-items: center;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-alt);
    margin: 1.5rem 0;
}
.surfdoc-embed-icon {
    flex-shrink: 0; width: 52px; height: 36px;
    display: grid; place-items: center;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text-muted);
}
.surfdoc-embed-body { min-width: 0; }
.surfdoc-embed-title { font-size: var(--font-size-ui); font-weight: var(--font-weight-semibold); color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.surfdoc-embed-src { font-family: var(--font-mono); font-size: var(--font-size-micro); color: var(--text-muted); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
/* Generic iframe embeds (e.g. ::embed[src=...policy-viewer height=80vh]) —
   responsive, full-width, inline-rendered content. */
.surfdoc-embed-frame { display: block; width: 100%; max-width: 100%; margin: 1.5rem 0; border: 0; border-radius: var(--radius-sm); background: #fff; }

/* ============================================================
   45. SURFDOC FORMS
   ============================================================ */

/* Reference look (.sd-form): flex-column form, labels as micro uppercase,
   inputs below their label, accent submit button flush-start. */
.surfdoc-form { display: flex; flex-direction: column; gap: 10px; margin: 1.5rem 0; }
.surfdoc-form-field {
    display: flex; flex-direction: column; gap: 4px;
    font-size: var(--font-size-micro); font-weight: var(--font-weight-semibold);
    text-transform: uppercase; letter-spacing: var(--tracking-wide);
    color: var(--text-muted);
}
.surfdoc-form-field label {
    display: flex; flex-direction: row; align-items: baseline; gap: 4px;
    font-size: var(--font-size-micro); font-weight: var(--font-weight-semibold);
    text-transform: uppercase; letter-spacing: var(--tracking-wide);
    color: var(--text-muted);
}
.surfdoc-form-field .required { color: var(--danger); }
.surfdoc-form-field input, .surfdoc-form-field textarea, .surfdoc-form-field select {
    font-family: var(--font-sans); font-size: var(--font-size-ui);
    font-weight: var(--font-weight-regular); text-transform: none; letter-spacing: 0;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface); color: var(--text);
    width: 100%; outline: none;
}
.surfdoc-form-field input:focus, .surfdoc-form-field textarea:focus, .surfdoc-form-field select:focus { border-color: var(--accent); }
.surfdoc-form-field select { appearance: auto; }
.surfdoc-form-submit {
    align-self: flex-start;
    height: 36px; padding: 0 16px;
    border: 0; border-radius: var(--radius-sm);
    background: var(--accent); color: #fff;
    font-size: var(--font-size-ui); font-weight: var(--font-weight-semibold);
    font-family: inherit; cursor: pointer;
}
.surfdoc-form-submit:hover { background: var(--accent-hover); }

/* ============================================================
   46. SURFDOC GALLERY
   ============================================================ */

/* Reference look (.sd-gallery): square tiles in a CSS-var grid; each tile is a
   bordered placeholder (image hidden behind onerror) with a centered icon. */
.surfdoc-gallery { margin: 1.5rem 0; }
.surfdoc-gallery-filters { display: flex; gap: 0.5rem; margin-bottom: 1rem; flex-wrap: wrap; }
.surfdoc-gallery-filters .filter-btn { padding: 0.375rem 0.875rem; border: 1px solid var(--border); background: transparent; color: var(--text-muted); border-radius: var(--radius-sm); font-size: var(--font-size-caption); cursor: pointer; }
.surfdoc-gallery-filters .filter-btn:hover { color: var(--text); border-color: var(--text-muted); }
.surfdoc-gallery-filters .filter-btn.active { background: var(--accent); color: var(--accent-text, #fff); border-color: var(--accent); }
/* Grid uses custom property so JS filter can change cols without touching the grid class */
.surfdoc-gallery-grid { display: grid; gap: 8px; }
.surfdoc-gallery[data-cols="2"] .surfdoc-gallery-grid { grid-template-columns: repeat(2, 1fr); }
.surfdoc-gallery[data-cols="3"] .surfdoc-gallery-grid { grid-template-columns: repeat(3, 1fr); }
.surfdoc-gallery[data-cols="4"] .surfdoc-gallery-grid { grid-template-columns: repeat(4, 1fr); }
.surfdoc-gallery-item {
    margin: 0; cursor: pointer;
    /* Square tile — matches .sd-gallery-tile aspect-ratio:1 */
    aspect-ratio: 1;
    display: grid; place-items: center;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    overflow: hidden;
    position: relative;
}
.surfdoc-gallery-item img {
    width: 100%; height: 100%; object-fit: cover; display: block;
    position: absolute; inset: 0;
}
/* Placeholder icon when image is hidden/missing */
.surfdoc-gallery-item::after {
    content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236b7388' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='18' height='18' rx='2'/%3E%3Ccircle cx='8.5' cy='8.5' r='1.5'/%3E%3Cpolyline points='21 15 16 10 5 21'/%3E%3C/svg%3E");
    display: block;
    z-index: 0;
}
.surfdoc-gallery-item figcaption { display: none; /* captions shown in lightbox */ }

/* Broken/missing image fallback — onerror adds .broken class */
img.broken { display: flex !important; align-items: center; justify-content: center; min-height: 120px; background: var(--surface); border: 1px dashed var(--border); color: var(--text-muted); font-size: 0.85rem; text-align: center; position: relative; overflow: hidden; }
img.broken::before { content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect width='18' height='18' x='3' y='3' rx='2' ry='2'/%3E%3Ccircle cx='9' cy='9' r='2'/%3E%3Cpath d='m21 15-3.086-3.086a2 2 0 0 0-2.828 0L6 21'/%3E%3C/svg%3E"); display: block; position: absolute; top: calc(50% - 28px); left: 50%; transform: translateX(-50%); }
img.broken::after { content: attr(alt); display: block; position: absolute; bottom: 0; left: 0; right: 0; padding: 0.5rem; background: rgba(0,0,0,0.4); color: var(--text-muted); font-size: 0.75rem; }

/* Gallery Lightbox */
.surfdoc-lightbox { position: fixed; inset: 0; z-index: 9999; background: rgba(0,0,0,0.92); display: flex; align-items: center; justify-content: center; flex-direction: column; }
.surfdoc-lightbox[hidden] { display: none; }
.surfdoc-lightbox .sl-close { position: absolute; top: 1rem; right: 1rem; background: none; border: none; color: #fff; font-size: 2rem; cursor: pointer; z-index: 2; width: 44px; height: 44px; line-height: 44px; text-align: center; }
.surfdoc-lightbox .sl-prev, .surfdoc-lightbox .sl-next { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,0.1); border: none; color: #fff; font-size: 2.5rem; cursor: pointer; z-index: 2; width: 48px; height: 64px; border-radius: var(--radius-sm); }
.surfdoc-lightbox .sl-prev:hover, .surfdoc-lightbox .sl-next:hover { background: rgba(255,255,255,0.2); }
.surfdoc-lightbox .sl-prev { left: 1rem; }
.surfdoc-lightbox .sl-next { right: 1rem; }
.surfdoc-lightbox .sl-img-wrap { max-width: 90vw; max-height: 80vh; display: flex; align-items: center; justify-content: center; }
.surfdoc-lightbox .sl-img { max-width: 90vw; max-height: 80vh; object-fit: contain; border-radius: var(--radius-sm); }
.surfdoc-lightbox .sl-caption { color: #fff; text-align: center; padding: 0.75rem 1rem; font-size: 0.9rem; max-width: 600px; opacity: 0.85; }
.surfdoc-lightbox .sl-counter { color: rgba(255,255,255,0.5); font-size: 0.75rem; margin-top: 0.25rem; }
@media (max-width: 640px) {
  .surfdoc-lightbox .sl-prev, .surfdoc-lightbox .sl-next { display: none; }
}

/* ============================================================
   47. SURFDOC FOOTER
   ============================================================ */

/* Reference look (.sd-footer-block): compact inline card with flex-wrap columns.
   Headings are <strong> (not <h4>) so they don't enter the TOC. */
.surfdoc-footer {
    display: flex; flex-wrap: wrap; gap: 24px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-alt);
    margin: 2rem 0;
}
.surfdoc-footer-sections { display: contents; }
.surfdoc-footer-col { display: flex; flex-direction: column; gap: 5px; }
.surfdoc-footer-col-head {
    font-size: var(--font-size-micro); font-weight: var(--font-weight-semibold);
    text-transform: uppercase; letter-spacing: var(--tracking-wide);
    color: var(--text-muted); display: block; margin-bottom: 2px;
}
/* Legacy h4 inside footer col (pre-fix) */
.surfdoc-footer-col h4 { font-size: var(--font-size-micro); font-weight: var(--font-weight-semibold); color: var(--text-muted); text-transform: uppercase; letter-spacing: var(--tracking-wide); margin: 0 0 2px; }
.surfdoc-footer-col ul { list-style: none; padding: 0; margin: 0; }
.surfdoc-footer-col li { margin: 0; }
.surfdoc-footer-col a { color: var(--text); text-decoration: none; font-size: var(--font-size-caption); }
.surfdoc-footer-col a:hover { color: var(--accent); text-decoration: none; }
.surfdoc-footer-social { display: flex; gap: 1rem; }
.surfdoc-footer-social .social-link { color: var(--text-muted); text-decoration: none; font-size: var(--font-size-ui); text-transform: capitalize; }
.surfdoc-footer-social .social-link:hover { color: var(--accent); }
.surfdoc-footer-copyright { width: 100%; font-size: var(--font-size-micro); color: var(--text-muted); }

/* ============================================================
   48. SURFDOC DETAILS / COLLAPSIBLE
   ============================================================ */

/* Reference look: bordered card on soft surface, summary with rotating chevron,
   body indented. Supports both B0 names (-summary / -body) and legacy bare summary / -content. */
.surfdoc-details { margin: 1.25rem 0; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-alt); overflow: hidden; }
.surfdoc-details-summary, .surfdoc-details > summary { cursor: pointer; list-style: none; padding: 10px 14px; font-weight: var(--font-weight-semibold); color: var(--text); font-size: var(--font-size-ui); display: flex; align-items: center; gap: 8px; }
.surfdoc-details-summary::-webkit-details-marker, .surfdoc-details > summary::-webkit-details-marker { display: none; }
.surfdoc-details-summary::before, .surfdoc-details > summary::before { content: "\203A"; font-size: var(--font-size-body-lg); line-height: 1; color: var(--text-muted); transition: transform 150ms ease; }
.surfdoc-details[open] .surfdoc-details-summary::before, .surfdoc-details[open] > summary::before { transform: rotate(90deg); }
.surfdoc-details-body { padding: 0 14px 12px 30px; font-size: var(--font-size-ui); line-height: 1.55; color: var(--text); }
/* Give stacked paragraphs/lists real spacing instead of collapsing to zero
   (multi-paragraph detail bodies were crowded); the last child stays flush so
   the body padding isn't doubled. */
.surfdoc-details-body p { margin: 0 0 10px; }
.surfdoc-details-body p:last-child { margin-bottom: 0; }
.surfdoc-details-body ul, .surfdoc-details-body ol { margin: 0 0 10px; }
.surfdoc-details-body ul:last-child, .surfdoc-details-body ol:last-child { margin-bottom: 0; }
.surfdoc-details-content { padding: 0 14px 12px 30px; font-size: var(--font-size-ui); line-height: 1.55; color: var(--text); }

/* ============================================================
   49. SURFDOC DIVIDERS
   ============================================================ */

/* Reference look (.sd-divider): two flex rules flanking a mono-font label. */
.surfdoc-divider { display: flex; align-items: center; gap: 12px; margin: 2rem 0; color: var(--text-muted); }
.surfdoc-divider::before, .surfdoc-divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.surfdoc-divider > span { font-family: var(--font-mono); font-size: var(--font-size-micro); text-transform: uppercase; letter-spacing: var(--tracking-wide); }
.surfdoc-divider-plain { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }


/* ============================================================
   50. SURFDOC HERO
   ============================================================ */

/* Reference look (.sd-hero): blue→purple gradient panel + white text, sharp radius.
   The default (centered) hero is the gradient panel; the `-left` variant is the
   side-by-side image layout, which keeps the page background + dark text. */
.surfdoc-hero { margin: 1.5rem 0; padding: 2.5rem 2rem; border-radius: var(--ws-radius-card); box-shadow: var(--ws-shadow); overflow: hidden; background: linear-gradient(135deg, var(--accent), #7c3aed); background: var(--ws-hero-bg); color: #fff; text-align: center; }
.surfdoc-hero-left { text-align: left; background: none; color: var(--text); padding: 0.5rem 0 1.5rem; border-radius: 0; }
.surfdoc-hero-inner { max-width: 640px; margin: 0 auto; }
.surfdoc-hero-left .surfdoc-hero-inner { margin: 0; max-width: none; display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.surfdoc-hero-badge { display: inline-flex; align-items: center; gap: 0.5rem; border: var(--ws-border-w) var(--ws-border-style) rgba(255,255,255,0.6); background: rgba(255,255,255,0.12); border-radius: var(--ws-radius-chip); padding: 0.25rem 0.75rem; font-size: var(--font-size-micro); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: var(--tracking-wide); color: #fff; margin-bottom: 1.5rem; }
.surfdoc-hero-left .surfdoc-hero-badge { border-color: var(--border); background: transparent; color: var(--text-muted); text-transform: none; }
/* .surfdoc prefix → (0,2,0) beats `.surfdoc h1` (0,1,1) so the headline goes white. */
.surfdoc .surfdoc-hero-headline { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: var(--font-weight-bold); color: #fff; line-height: 1.1; margin: 0 0 0.75rem; letter-spacing: var(--tracking-tight); }
.surfdoc .surfdoc-hero-left .surfdoc-hero-headline { color: var(--text); }
.surfdoc .surfdoc-hero-subtitle { font-size: var(--font-size-h3); color: rgba(255,255,255,0.88); line-height: 1.6; margin: 0 0 1.5rem; max-width: 520px; }
.surfdoc-hero-left .surfdoc-hero-subtitle { color: var(--text-muted); }
.surfdoc-hero:not(.surfdoc-hero-left) .surfdoc-hero-subtitle { margin-left: auto; margin-right: auto; }
.surfdoc-hero-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.surfdoc-hero:not(.surfdoc-hero-left) .surfdoc-hero-actions { justify-content: center; }
.surfdoc-hero-btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.75rem 1.5rem; border-radius: var(--ws-hero-btn-radius); font-size: var(--font-size-body); font-weight: var(--font-weight-medium); text-decoration: none; min-height: 44px; transition: background 120ms ease, border-color 120ms ease, color 120ms ease; }
/* .surfdoc prefix bumps specificity to (0,2,0), beating .surfdoc a (0,1,1) link color.
   On the gradient: primary = white fill / accent text, secondary = translucent white. */
.surfdoc .surfdoc-hero-btn-primary { background: #fff; color: var(--accent); border: 1px solid #fff; }
/* Hover darkens the resting fill (whatever it is) instead of forcing it toward
   white. The old `background: rgba(255,255,255,0.9)` only read as feedback on the
   dark gradient hero and looked broken on transparent/light/accent-filled heroes.
   `filter: brightness()` darkens the gradient-hero white button (light gray) AND
   an accent-filled transparent-hero button, so consumers need no override. */
.surfdoc .surfdoc-hero-btn-primary:hover { color: var(--accent); filter: brightness(0.94); }
.surfdoc .surfdoc-hero-btn-secondary { background: rgba(255,255,255,0.12); color: #fff; border: 1px solid rgba(255,255,255,0.6); }
.surfdoc .surfdoc-hero-btn-secondary:hover { background: rgba(255,255,255,0.2); }
/* Button/card anchors are <a> inside .surfdoc, so the prose `.surfdoc a:hover`
   underline (0,2,1) would otherwise win. Suppress it at (0,2,0)+ for every
   button/card anchor, resting and hover. */
.surfdoc .surfdoc-hero-btn, .surfdoc .surfdoc-hero-btn:hover,
.surfdoc .surfdoc-banner-btn, .surfdoc .surfdoc-banner-btn:hover,
.surfdoc .surfdoc-pg-card, .surfdoc .surfdoc-pg-card:hover,
.surfdoc a.surfdoc-feature-card, .surfdoc a.surfdoc-feature-card:hover,
.surfdoc a.surfdoc-event-card, .surfdoc a.surfdoc-event-card:hover { text-decoration: none; }
.surfdoc .surfdoc-hero-left .surfdoc-hero-btn-primary { background: var(--accent); color: var(--accent-text, #fff); border-color: var(--accent); }
.surfdoc .surfdoc-hero-left .surfdoc-hero-btn-primary:hover { background: var(--accent-hover); color: #fff; }
.surfdoc .surfdoc-hero-left .surfdoc-hero-btn-secondary { background: var(--surface-alt); color: var(--text); border-color: var(--border); }
.surfdoc .surfdoc-hero-left .surfdoc-hero-btn-secondary:hover { background: var(--surface-alt); border-color: var(--text-muted); }
.surfdoc-hero-image { margin-bottom: 1.5rem; }
.surfdoc-hero-image img { max-height: 280px; border-radius: var(--ws-radius-img); }
.surfdoc-hero-image-side { display: flex; align-items: center; justify-content: center; }
.surfdoc-hero-image-side img { max-width: 100%; border-radius: var(--ws-radius-img); border: var(--ws-border-w) var(--ws-border-style) var(--border); }

/* ---- ::banner — centered CTA band (defaults for the render_html block) ---- */
/* Structural geometry: the centered band, its inner column, the action row, and
   the shared button shape. Bare-class (0,1,0) so a consumer's theme/context rule
   can still override values; tokens fall back to the surfdoc :root defaults. */
.surfdoc-banner { border-top: none; }
.surfdoc-banner-inner { max-width: 720px; margin: 0 auto; padding: 64px 24px; text-align: center; }
.surfdoc-banner-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }
.surfdoc-banner-btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 24px; border-radius: var(--radius-sm); font-weight: 600; font-size: 1rem; text-decoration: none; border: 1px solid transparent; transition: all 200ms ease; }
.surfdoc-banner-btn-secondary { border-color: var(--border); color: var(--text); }
/* The banner headline is an <h2>, so the prose `.surfdoc h2` rule (0,1,1) would
   force a section-divider border-bottom + large prose margins onto it. Banners
   are centered marketing bands, not doc sections — reset that at (0,2,0). */
.surfdoc .surfdoc-banner-headline { font-size: clamp(1.625rem, 3vw, 2rem); font-weight: var(--font-weight-bold); letter-spacing: var(--tracking-tight); margin: 0 0 14px; padding-bottom: 0; border-bottom: none; }
.surfdoc .surfdoc-banner-subtitle { color: var(--text-muted); font-size: var(--font-size-body-lg); line-height: 1.65; margin: 0 0 28px; }
/* Primary banner button: the prose `.surfdoc a` color (0,1,1) would paint the
   label the accent color — i.e. the button's own background, hiding the text.
   Pin an explicit on-accent label at (0,2,0). */
.surfdoc .surfdoc-banner-btn-primary { background: var(--accent); color: var(--accent-text, #fff); }
.surfdoc .surfdoc-banner-btn-primary:hover { color: var(--accent-text, #fff); filter: brightness(0.94); }

/* ---- ::product-grid — grouped emblem link-cards (defaults for the block) ---- */
/* Structural geometry: the band, its inner column, group label, the 2-col row
   (collapsing to 1 on mobile), the card and its body/emblem/name/tagline/arrow,
   and the base hover surface. Per-product accent colors + any frosted-glass skin
   are consumer concerns (set --product-accent / override the card background). */
.surfdoc-product-grid { border-top: none; }
.surfdoc-pg-inner { max-width: 680px; margin: 0 auto; padding: 0 24px 48px; }
.surfdoc-pg-label { font-size: 1.25rem; font-weight: 700; color: var(--text); letter-spacing: -0.01em; margin: 32px 0 16px; }
.surfdoc-pg-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 8px; }
.surfdoc-pg-card { display: flex; align-items: center; gap: 20px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 28px; color: var(--text); text-decoration: none; transition: all 200ms ease; }
/* Odd trailing card centers under the pair instead of sticking left. */
.surfdoc-pg-row > .surfdoc-pg-card:last-child:nth-child(odd) { grid-column: 1 / -1; max-width: calc(50% - 12px); margin-inline: auto; width: 100%; }
.surfdoc-pg-card:hover { background: var(--surface-hover); }
.surfdoc-pg-body { display: flex; align-items: center; gap: 16px; flex: 1; min-width: 0; }
.surfdoc-pg-emblem { border-radius: 8px; object-fit: contain; flex-shrink: 0; }
.surfdoc-pg-name { font-weight: 700; font-size: 1.125rem; display: block; }
.surfdoc-pg-tagline { font-size: 0.875rem; color: var(--text-muted); line-height: 1.4; margin-top: 2px; }
.surfdoc-pg-arrow { flex-shrink: 0; color: var(--text-muted); transition: transform 200ms ease, color 200ms ease; }
.surfdoc-pg-card:hover .surfdoc-pg-arrow { transform: translateX(2px); }
@media (max-width: 768px) {
  .surfdoc-pg-row { grid-template-columns: 1fr; }
  .surfdoc-pg-row > .surfdoc-pg-card:last-child:nth-child(odd) { max-width: 100%; }
  .surfdoc-banner-inner { padding: 48px 16px; }
}
/* The card's accent-on-hover border is declared at (0,2,0) (`.surfdoc` prefix)
   so a context resting rule at the base card specificity can't silently outrank
   it and strand the hover border. Theme-scoped resting rules in a consumer
   (e.g. `[data-theme] .home .surfdoc-pg-card`) still need a matching hover rule
   of their own — see handoff. */
.surfdoc .surfdoc-pg-card:hover { border-color: var(--product-accent, var(--accent)); }
.surfdoc .surfdoc-pg-card:hover .surfdoc-pg-arrow { color: var(--product-accent, var(--accent)); }

/* ============================================================
   51. SURFDOC FEATURES
   ============================================================ */

.surfdoc-features { display: grid; gap: 1.5rem; margin: 2rem 0; align-items: stretch; }
.surfdoc-features[data-cols="2"] { grid-template-columns: repeat(2, 1fr); }
.surfdoc-features[data-cols="3"] { grid-template-columns: repeat(3, 1fr); }
.surfdoc-features[data-cols="4"] { grid-template-columns: repeat(4, 1fr); }
.surfdoc-features:not([data-cols]) { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.surfdoc-feature-card { height: 100%; padding: var(--ws-feature-card-pad); border: var(--ws-border-w) var(--ws-border-style) var(--border); border-radius: var(--ws-feature-card-radius); box-shadow: var(--ws-shadow); background: var(--ws-feature-card-bg); transition: transform 150ms ease, box-shadow 150ms ease; }
.surfdoc-feature-card:hover { transform: var(--ws-feature-card-hover-transform); box-shadow: var(--ws-shadow-hover); }
.surfdoc-feature-icon { display: inline-flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; border-radius: var(--ws-radius-img); background: var(--accent-soft); color: var(--accent); font-size: 1rem; margin-bottom: 0.75rem; }
/* .surfdoc prefix → (0,2,0): beats .surfdoc h3 / .surfdoc p margins (same trap as steps). */
.surfdoc .surfdoc-feature-title { font-size: var(--font-size-body-lg); font-weight: var(--font-weight-semibold); color: var(--text); margin: 0 0 0.5rem; }
.surfdoc .surfdoc-feature-body { font-size: var(--font-size-ui); color: var(--text-muted); line-height: 1.6; margin: 0; }
.surfdoc-feature-link { display: inline-block; margin-top: 0.75rem; font-size: var(--font-size-ui); color: var(--accent); text-decoration: none; font-weight: var(--font-weight-medium); }
.surfdoc-feature-link:hover { text-decoration: underline; }

/* ============================================================
   52. SURFDOC STEPS
   ============================================================ */

.surfdoc-steps { list-style: none; padding: 0 0 0 1rem; margin: 2rem 0; counter-reset: none; border-left: 1px solid var(--border); }
/* Beat the generic `.surfdoc ol { padding-left:1.5rem }` rule so the steps
   timeline keeps its intended 1rem (16px) inset beside the left border, not 24px. */
ol.surfdoc-steps { padding-left: 1rem; }
.surfdoc-step { display: flex; gap: 1rem; padding: 1rem 0; position: relative; }
.surfdoc-step:first-child { padding-top: 0; }
.surfdoc-step:last-child { padding-bottom: 0; }
/* Ring (background-colored shadow) lifts the number chip off the rail. */
.surfdoc-step-number { display: flex; align-items: center; justify-content: center; width: 1.5rem; height: 1.5rem; border-radius: 50%; background: var(--accent); color: var(--accent-text, #fff); font-size: 0.6875rem; font-weight: 700; font-family: var(--font-mono); flex-shrink: 0; margin-top: 0; margin-left: -1.75rem; box-shadow: 0 0 0 4px var(--background); }
.surfdoc-step-content { flex: 1; min-width: 0; }
/* .surfdoc prefix → (0,2,0): beats the generic .surfdoc h3 / .surfdoc p margins,
   which otherwise add 1.5rem above every step title and blow the timeline apart. */
.surfdoc .surfdoc-step-title { font-size: var(--font-size-body-lg); font-weight: var(--font-weight-semibold); color: var(--text); margin: 0 0 0.25rem; display: flex; align-items: center; gap: 0.75rem; letter-spacing: -0.01em; }
.surfdoc-step-time { font-size: var(--font-size-micro); font-family: var(--font-mono); font-weight: var(--font-weight-medium); color: var(--text-muted); border: var(--ws-border-w) var(--ws-border-style) var(--border); border-radius: var(--ws-radius-chip); padding: 1px 8px; }
.surfdoc .surfdoc-step-body { font-size: var(--font-size-ui); color: var(--text-muted); line-height: 1.6; margin: 0; }

/* ============================================================
   53. SURFDOC STATS
   ============================================================ */

/* Reference look (.sd-stat): each stat is its own soft-bg bordered card (no
   divider lines), value at h1, label at micro caps. */
.surfdoc-stats { display: flex; flex-wrap: wrap; gap: 8px; margin: 2rem 0; }
/* Flex column + margin-top:auto pins labels to the bottom, so the label row
   stays level across the strip even when one value wraps to two lines. */
.surfdoc-stat { flex: 1; min-width: 90px; display: flex; flex-direction: column; text-align: center; padding: 14px; border: var(--ws-border-w) var(--ws-border-style) var(--border); border-radius: var(--ws-radius-card); box-shadow: var(--ws-shadow); background: var(--surface-alt); }
.surfdoc-stat-value { display: block; font-size: var(--font-size-h1); font-weight: var(--font-weight-bold); color: var(--text); line-height: 1.2; letter-spacing: var(--tracking-tight); }
.surfdoc-stat-label { display: block; font-size: var(--font-size-micro); color: var(--text-muted); text-transform: uppercase; letter-spacing: var(--tracking-wide); margin-top: auto; padding-top: 4px; }

/* ============================================================
   54. SURFDOC COMPARISON
   ============================================================ */

.surfdoc-comparison { width: 100%; border: none; border-radius: var(--radius-sm); border-collapse: collapse; font-size: var(--font-size-caption); }
.surfdoc-comparison thead tr { background: transparent; border-bottom: 1px solid var(--border); }
.surfdoc-comparison th { text-align: center; padding: 0.625rem 1rem; font-weight: var(--font-weight-semibold); color: var(--text); text-transform: none; letter-spacing: normal; font-size: var(--font-size-ui); }
.surfdoc-comparison th:first-child { text-align: left; }
.surfdoc-comparison td { text-align: center; padding: 0.5rem 1rem; color: var(--text-muted); border-bottom: 1px solid var(--border); }
.surfdoc-comparison td:first-child { text-align: left; font-weight: var(--font-weight-medium); color: var(--text); }
.surfdoc-comparison tbody tr:last-child td { border-bottom: none; }
.surfdoc-comparison-highlight { background: var(--accent-soft); }
.surfdoc-comparison th.surfdoc-comparison-highlight { color: var(--accent); font-weight: var(--font-weight-bold); }
/* Comparison cell glyphs — SCOPED to .surfdoc-comparison so they do NOT collide
   with the task-list .surfdoc-check checkbox (B0 §3). */
.surfdoc-comparison .surfdoc-check { color: var(--success); font-weight: var(--font-weight-bold); font-size: var(--font-size-ui); border: none; background: none; width: auto; height: auto; border-radius: 0; display: inline; flex-shrink: unset; }
.surfdoc-comparison .surfdoc-dash { color: var(--text-muted); font-size: var(--font-size-ui); }

/* ============================================================
   55. SURFDOC LOGO
   ============================================================ */

.surfdoc-logo { margin: 2rem 0; display: grid; place-items: center; padding: 24px; border: var(--ws-border-w) var(--ws-border-style) var(--border); border-radius: var(--ws-radius-card); box-shadow: var(--ws-shadow); background: var(--surface-alt); }
.surfdoc-logo img { height: 40px; display: inline-block; }

/* ============================================================
   56. SURFDOC TOC
   ============================================================ */

/* Reference look (.sd-toc): soft-bg card with a "Contents" label + an indented
   list of links auto-generated from the document headings. */
.surfdoc-toc { margin: 1.5rem 0; padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-alt); }
.surfdoc-toc-label { font-family: var(--font-mono); font-size: var(--font-size-micro); text-transform: uppercase; letter-spacing: var(--tracking-wide); color: var(--text-muted); margin-bottom: 6px; }
.surfdoc-toc ol { margin: 0; padding-left: 18px; font-size: var(--font-size-ui); line-height: 1.8; list-style: decimal; }
.surfdoc-toc ol ol { padding-left: 16px; }
.surfdoc-toc a { color: var(--text); text-decoration: none; }
.surfdoc-toc a:hover { color: var(--accent); }

/* ============================================================
   57. SURFDOC BEFORE-AFTER
   ============================================================ */

/* Reference look (.sd-ba): two columns side-by-side with the transition between
   them (grid 1fr / auto / 1fr). BEFORE heading red, AFTER heading green. */
.surfdoc-before-after { display: grid; grid-template-columns: 1fr auto 1fr; gap: 1rem; align-items: center; margin: 2rem 0; }
.surfdoc-ba-before, .surfdoc-ba-after { display: grid; gap: 0.5rem; margin: 0; align-content: start; min-width: 0; }
/* .surfdoc prefix → (0,2,0) beats `.surfdoc h3` (0,1,1) for font-size + margin. */
.surfdoc .surfdoc-ba-heading { font-size: var(--font-size-ui); font-weight: var(--font-weight-semibold); text-transform: uppercase; letter-spacing: var(--tracking-wide); color: var(--text-muted); margin: 0 0 0.25rem; }
.surfdoc-ba-before .surfdoc-ba-heading { color: var(--danger); }
.surfdoc-ba-after .surfdoc-ba-heading { color: var(--success); }
.surfdoc-ba-item { display: flex; align-items: baseline; gap: 0.75rem; padding: 0.75rem 1rem; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-alt); }
.surfdoc-ba-item strong { white-space: nowrap; }
.surfdoc-ba-item span { color: var(--text-muted); }
.surfdoc-ba-dot { width: 8px; height: 8px; border-radius: var(--radius-circle); flex-shrink: 0; }
.surfdoc-ba-dot-red { background: var(--danger); }
.surfdoc-ba-dot-green { background: var(--success); }
.surfdoc-ba-item-green { border-color: rgba(34, 197, 94, 0.3); }
.surfdoc-ba-transition { display: flex; flex-direction: column; align-items: center; gap: 6px; margin: 0; align-self: center; }
.surfdoc-ba-line { width: 1px; height: 16px; flex: none; background: var(--border); }
.surfdoc-ba-label { font-size: var(--font-size-ui); font-weight: var(--font-weight-semibold); color: var(--accent); white-space: nowrap; }
@media (max-width: 768px) {
    .surfdoc-before-after { grid-template-columns: 1fr; }
    .surfdoc-ba-transition { flex-direction: row; justify-content: center; }
    .surfdoc-ba-line { width: 16px; height: 1px; }
}

/* ============================================================
   58. SURFDOC PIPELINE
   ============================================================ */

/* Reference look (.sd-pipeline): compact chips, caption text, 6px gaps, left-aligned. */
.surfdoc-pipeline { display: flex; align-items: center; gap: 6px; margin: 2rem 0; flex-wrap: wrap; }
.surfdoc-pipeline-step { display: flex; flex-direction: column; align-items: center; gap: 0.25rem; padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-alt); text-align: center; }
.surfdoc-pipeline-label { font-size: var(--font-size-caption); font-weight: var(--font-weight-medium); }
.surfdoc-pipeline-desc { font-size: var(--font-size-ui); color: var(--text-muted); }
.surfdoc-pipeline-arrow { display: flex; align-items: center; padding: 0 0.5rem; font-size: 1.25rem; color: var(--text-muted); }
@media (max-width: 640px) {
    .surfdoc-pipeline { flex-direction: column; align-items: center; }
    .surfdoc-pipeline-arrow { transform: rotate(90deg); padding: 0.25rem 0; }
}

/* ============================================================
   59. SURFDOC SECTION
   ============================================================ */

.surfdoc-section { margin: 0; padding: 3rem 0; }
.surfdoc-section-inner { max-width: 72rem; margin: 0 auto; padding: 0 1.5rem; }
.surfdoc-section-header { text-align: center; margin-bottom: 2.5rem; }
/* Site treatment: no doc hairline; clamp scales the headline on phones. */
.surfdoc-section-header h2 { font-size: clamp(1.5rem, 3.5vw, var(--font-size-h1)); margin: 0 0 0.5rem; border-bottom: none; padding-bottom: 0; }
.surfdoc-section-header p { font-size: var(--font-size-h3); color: var(--text-muted); margin: 0 auto; max-width: 560px; line-height: 1.6; }
.section-muted { background: var(--surface); margin-left: calc(-50vw + 50%); margin-right: calc(-50vw + 50%); padding-left: calc(50vw - 50%); padding-right: calc(50vw - 50%); }
.section-dark { background: var(--surface-alt); margin-left: calc(-50vw + 50%); margin-right: calc(-50vw + 50%); padding-left: calc(50vw - 50%); padding-right: calc(50vw - 50%); }

/* ============================================================
   60. SURFDOC PRODUCT CARD
   ============================================================ */

/* Reference look (.sd-product): a narrow (max 320px) soft-bg card, flex column.
   Badge sits top-left above the title (accent fill), via column-reverse header. */
.surfdoc-product-card { max-width: 320px; border: var(--ws-border-w) var(--ws-border-style) var(--border); border-radius: var(--ws-radius-card); box-shadow: var(--ws-shadow); padding: 16px; background: var(--surface-alt); margin: 1.5rem 0; display: flex; flex-direction: column; gap: 8px; }
.surfdoc-product-header { display: flex; flex-direction: column-reverse; align-items: flex-start; gap: 8px; margin: 0; }
.surfdoc-product-titles { flex: 1; }
.surfdoc-product-title { margin: 0; font-size: var(--font-size-h2); }
.surfdoc .surfdoc-product-subtitle { margin: 0.25rem 0 0; color: var(--text-muted); font-size: var(--font-size-caption); }
/* (0,3,0) beats the generic green `.surfdoc .surfdoc-badge` (0,2,0): product badge = accent. */
.surfdoc .surfdoc-product-header .surfdoc-badge { background: var(--accent); border-color: var(--accent); color: #fff; }
.surfdoc-badge { display: inline-block; padding: 0.2rem 0.6rem; border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: var(--font-size-micro); font-weight: var(--font-weight-semibold); text-transform: uppercase; letter-spacing: var(--tracking-wide); background: var(--surface-alt); border: 1px solid var(--border); color: var(--text-muted); }
.surfdoc-badge-green { background: rgba(34, 197, 94, 0.15); border-color: transparent; color: var(--success); }
.surfdoc-badge-yellow { background: rgba(245, 158, 11, 0.15); border-color: transparent; color: var(--warning); }
.surfdoc-badge-blue { background: var(--accent-soft); border-color: transparent; color: var(--accent); }
.surfdoc-badge-red { background: rgba(239, 68, 68, 0.15); border-color: transparent; color: var(--danger); }
.surfdoc-product-body { margin: 0; color: var(--text-muted); font-size: var(--font-size-ui); line-height: 1.5; }
.surfdoc-product-body p { margin: 0; }
.surfdoc-product-features { list-style: none; padding: 0; margin: 0; }
.surfdoc-product-features li { padding: 0.25rem 0; padding-left: 1.25rem; position: relative; color: var(--text-muted); }
.surfdoc-product-features li::before { content: "\2713"; position: absolute; left: 0; color: var(--success); font-weight: var(--font-weight-bold); }
/* .surfdoc prefix bumps specificity to (0,2,0), beating .surfdoc a (0,1,1) link color */
.surfdoc .surfdoc-product-cta { display: inline-block; padding: 0.5rem 1.25rem; border-radius: var(--ws-radius-btn); background: var(--accent); color: var(--accent-text, #fff); text-decoration: none; font-weight: var(--font-weight-semibold); font-size: var(--font-size-ui); }
.surfdoc .surfdoc-product-cta { transition: opacity 120ms ease; }
.surfdoc .surfdoc-product-cta:hover { opacity: 0.9; text-decoration: none; }

/* ================================================================
   ================================================================
   THEME NOTES — SURFDOC CONTENT
   ================================================================
   ================================================================ */

/* Light is now the CANONICAL palette: every .surfdoc rule above resolves
   through design tokens (--text, --surface-alt, --border, --accent, …), which
   the Reference loads as light. The old per-element light overrides have been
   removed because they conflicted with the token-based, sharp-radius restyle
   (re-setting full callout border-color over the new left stripe, faint bg
   tints, hardcoded #111/#888 text). Dark mode is restored entirely by the
   [data-theme="dark"] / prefers-color-scheme:dark token blocks in section 2. */


/* ================================================================
   ================================================================
   RESPONSIVE
   ================================================================
   ================================================================ */

/* ============================================================
   50. RESPONSIVE (768px — app chrome)
   ============================================================ */

@media (max-width: 768px) {
    .hero-inner {
        padding: 96px 24px 64px;
    }

    .hero-headline { font-size: 2rem; }

    .section-inner { padding: 56px 16px; }

    /* Nav mobile */
    .nav-toggle { display: flex; }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 2px;
        padding: 8px 16px 16px;
        background: rgba(10, 10, 15, 0.96);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border);
    }

    [data-theme="light"] .nav-links {
        background: rgba(255, 255, 255, 0.96);
    }

    .nav-links.open { display: flex; }

    .nav-links a {
        padding: 10px 12px;
        font-size: 0.9375rem;
    }

    /* Grids */
    .card-grid,
    .capability-grid { grid-template-columns: 1fr; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); }

    .form-row { grid-template-columns: 1fr; }

    /* Footer */
    .footer-columns { grid-template-columns: 1fr; gap: 32px; }

    /* Tables */
    .comparison-table { font-size: 0.8125rem; }
    .comparison-table th,
    .comparison-table td { padding: 10px 12px; }

    .hide-mobile { display: none; }
}

/* ============================================================
   51. RESPONSIVE (640px — SurfDoc content)
   ============================================================ */

@media (max-width: 640px) {
    /* SurfDoc columns */
    .surfdoc-columns { grid-template-columns: 1fr !important; }

    /* SurfDoc pages */
    .surfdoc-page[data-layout="split"] { grid-template-columns: 1fr; }
    .surfdoc-page[data-layout="hero"] h1 { font-size: 1.75rem; }

    /* SurfDoc gallery */
    .surfdoc-gallery-grid { grid-template-columns: repeat(2, 1fr) !important; }

    /* SurfDoc footer */
    .surfdoc-footer-sections { grid-template-columns: repeat(2, 1fr); }

    /* SurfDoc hero */
    .surfdoc-hero-left .surfdoc-hero-inner { grid-template-columns: 1fr; }
    .surfdoc-hero-image-side { display: none; }
    .surfdoc-hero-headline { font-size: 2rem; }

    /* SurfDoc features */
    .surfdoc-features { grid-template-columns: 1fr !important; }

    /* SurfDoc stats */
    .surfdoc-stats { flex-direction: column; }
    .surfdoc-stat { min-width: 0; }

    /* SurfDoc comparison */
    .surfdoc-comparison { font-size: 0.8rem; }
    .surfdoc-comparison th, .surfdoc-comparison td { padding: 0.375rem 0.5rem; }
}

/* ============================================================
   52. APP DESCRIPTION BLOCKS — List, Board, Action, FilterBar, Search, etc.
   ============================================================ */

/* List */
.surfdoc-list { margin: 1rem 0; }
.surfdoc-list-filters { display: flex; gap: 0.5rem; margin-bottom: 0.75rem; flex-wrap: wrap; }
.surfdoc-list-filter { font-size: 0.85rem; color: var(--text-secondary, #888); }
.surfdoc-list-items { display: grid; gap: 0.75rem; }
.surfdoc-list-card .surfdoc-list-items { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.surfdoc-list-compact .surfdoc-list-items { display: flex; flex-direction: column; gap: 0.25rem; }
.surfdoc-list-empty { color: var(--text-secondary, #888); font-style: italic; }
.surfdoc-list-item { padding: 0.65rem 0.9rem; border: 1px solid var(--border, #dde2ec); border-radius: 0; background: var(--surface, #fff); display: flex; flex-direction: column; gap: 0.25rem; }
.surfdoc-list-item-title { font-size: 0.875rem; font-weight: 600; color: var(--text, #0f1422); }
.surfdoc-list-item-meta { font-size: 0.75rem; color: var(--text-muted, #6b7388); }

/* Board */
.surfdoc-board { margin: 1rem 0; overflow-x: auto; }
.surfdoc-board-columns { display: flex; gap: 1rem; min-width: max-content; }
.surfdoc-board-column { flex: 1; min-width: 240px; max-width: 320px; background: var(--surface, #1a1a2e); border-radius: var(--radius-sm); padding: 0.75rem; }
.surfdoc-board-column-title { font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-secondary, #888); margin: 0 0 0.75rem; padding-bottom: 0.5rem; border-bottom: 2px solid var(--border, #333); }
.surfdoc-board-cards { display: flex; flex-direction: column; gap: 0.5rem; min-height: 60px; }

/* Action form */
.surfdoc-action { margin: 1rem 0; padding: 1.25rem; background: transparent; border: 1px solid var(--border, #333); border-radius: 0; }
.surfdoc-action .surfdoc-form-field { margin-bottom: 0.75rem; }
.surfdoc-action .surfdoc-form-field label { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 0.25rem; }
.surfdoc-action input, .surfdoc-action select, .surfdoc-action textarea { width: 100%; padding: 0.5rem 0.75rem; border: 1px solid var(--border, #333); border-radius: var(--radius-sm); background: var(--background, #0f0f1a); color: var(--text, #e0e0e0); font-size: 0.9rem; }
.surfdoc-action input:focus, .surfdoc-action select:focus, .surfdoc-action textarea:focus { outline: 2px solid var(--accent, #3b82f6); outline-offset: -1px; border-color: var(--accent, #3b82f6); }

/* Filter bar */
.surfdoc-filter-bar { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; margin: 1rem 0; padding: 0.75rem 1rem; background: transparent; border: 1px solid var(--border, #333); border-radius: 0; }
.surfdoc-filter-field { display: flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; }
.surfdoc-filter-field select { padding: 0.35rem 0.5rem; border: 1px solid var(--border, #333); border-radius: var(--radius-sm); background: var(--background, #0f0f1a); color: var(--text, #e0e0e0); font-size: 0.85rem; }

/* Search */
.surfdoc-search { margin: 1rem 0; }
.surfdoc-search input[type="search"] { width: 100%; padding: 0.6rem 1rem; border: 1px solid var(--border, #333); border-radius: var(--radius-sm); background: var(--background, #0f0f1a); color: var(--text, #e0e0e0); font-size: 0.9rem; }
.surfdoc-search input[type="search"]:focus { outline: 2px solid var(--accent, #3b82f6); outline-offset: -1px; }
.surfdoc-search-results { margin-top: 0.5rem; }

/* Dashboard */
.surfdoc-dashboard { margin: 1rem 0; }
.surfdoc-dashboard-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; }

/* Chat input */
.surfdoc-chat-input { margin: 1rem 0; }
.surfdoc-chat-modes { display: flex; gap: 0.25rem; margin-bottom: 0.5rem; }
.surfdoc-chat-mode { padding: 0.35rem 0.75rem; border: 1px solid var(--border, #333); border-radius: var(--radius-sm); background: transparent; color: var(--text-secondary, #888); cursor: pointer; font-size: 0.85rem; }
.surfdoc-chat-mode.active { background: var(--accent, #3b82f6); color: #fff; border-color: var(--accent, #3b82f6); }
.surfdoc-chat-form { display: flex; gap: 0.5rem; }
.surfdoc-chat-form input { flex: 1; padding: 0.6rem 1rem; border: 1px solid var(--border, #333); border-radius: var(--radius-sm); background: var(--background, #0f0f1a); color: var(--text, #e0e0e0); font-size: 0.9rem; }
.surfdoc-chat-form button { padding: 0.6rem 1.25rem; border: none; border-radius: var(--radius-sm); background: var(--accent, #3b82f6); color: #fff; cursor: pointer; font-weight: 500; }
/* chat-input-simple: bare input+button get flex layout and base styling when outside app-shell */
.surfdoc-chat-input > input[type="text"] { flex: 1; padding: 0.55rem 0.9rem; border: 1px solid var(--border, #333); border-radius: var(--radius-sm); background: var(--surface, #fff); color: var(--text, #0f1422); font-size: 0.9rem; min-width: 0; }
.surfdoc-chat-input > button { padding: 0.55rem 1.1rem; border: none; border-radius: var(--radius-sm); background: var(--accent, #3b82f6); color: #fff; cursor: pointer; font-size: 0.875rem; font-weight: 500; white-space: nowrap; }
.surfdoc-chat-input:has(> input[type="text"]) { display: flex; gap: 0.5rem; align-items: center; border: 1px solid var(--border, #333); padding: 0.4rem; }

/* Feed */
.surfdoc-feed { margin: 1rem 0; }
.surfdoc-feed-items { display: flex; flex-direction: column; gap: 0.5rem; }

/* Mount point placeholder (editor, chart, split-pane) */
.surfdoc-mount-placeholder { color: var(--text-secondary, #888); font-style: italic; padding: 2rem; text-align: center; border: 1px dashed var(--border, #333); border-radius: 0; }
.surfdoc-editor, .surfdoc-chart { margin: 1rem 0; min-height: 200px; }
.surfdoc-editor-preview { padding: 1.25rem 1.5rem; border: 1px solid var(--border, #333); border-radius: 0; background: var(--surface, #fff); }
.surfdoc-split-pane { display: flex; gap: 4px; margin: 1rem 0; min-height: 200px; }
.surfdoc-split-left, .surfdoc-split-right { flex: 1; border: 1px solid var(--border, #333); border-radius: 0; padding: 1rem; }

/* ============================================================
   53. ROW BLOCK
   ============================================================ */
.surfdoc-row {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.75rem 1rem; border-radius: 0;
    border: 1px solid var(--border, #334155); background: transparent;
    text-decoration: none; color: var(--text, #e5e5ef);
    cursor: pointer; box-sizing: border-box;
}
.surfdoc-row:hover { border-color: var(--accent, #3b82f6); }
.surfdoc-row-icon { flex-shrink: 0; color: var(--text-secondary, #64748b); width: 18px; height: 18px; display: flex; align-items: center; }
.surfdoc-row-body { flex: 1; min-width: 0; display: flex; flex-direction: column; justify-content: center; }
.surfdoc-row-title { font-size: 0.8125rem; font-weight: 600; color: var(--text, #e5e5ef); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; line-height: 1.3; }
.surfdoc-row-desc { font-size: 0.6875rem; color: var(--text-secondary, #94a3b8); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; line-height: 1.3; margin-top: 0.25rem; }
.surfdoc-row-arrow { margin-left: auto; color: var(--text-secondary, #64748b); flex-shrink: 0; display: flex; align-items: center; }
@keyframes surfdoc-pulse { 0%, 100% { opacity: 0.4; } 50% { opacity: 0.15; } }
.surfdoc-row--loading { cursor: default; }
.surfdoc-row--loading:hover { border-color: var(--border, #334155); background: transparent; }
.surfdoc-row--loading .surfdoc-row-title {
    color: transparent; background: var(--text-secondary, #64748b); border-radius: var(--radius-sm);
    animation: surfdoc-pulse 1.5s ease-in-out infinite;
    font-size: 0; line-height: 0; height: 0.8125rem; width: 55%; display: block;
}
.surfdoc-row--loading .surfdoc-row-desc {
    color: transparent; background: var(--text-secondary, #64748b); border-radius: var(--radius-sm);
    animation: surfdoc-pulse 1.5s ease-in-out infinite;
    font-size: 0; line-height: 0; height: 0.6875rem; width: 80%; display: block; margin-top: 0.25rem;
}
.surfdoc-row--loading .surfdoc-row-icon svg, .surfdoc-row--loading .surfdoc-row-arrow svg { opacity: 0; }
.surfdoc-row--loading .surfdoc-row-icon, .surfdoc-row--loading .surfdoc-row-arrow { background: var(--text-secondary, #64748b); border-radius: var(--radius-sm); animation: surfdoc-pulse 1.5s ease-in-out infinite; }
.surfdoc-row--empty { cursor: default; opacity: 0.4; }
.surfdoc-row--empty:hover { border-color: var(--border, #334155); background: transparent; }

/* ============================================================
   54. INFOCARD BLOCK
   ============================================================ */
.surfdoc-infocard { background: transparent; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; min-height: 16rem; }
.surfdoc-infocard-header { display: flex; gap: 1rem; padding: 1.25rem; }
.surfdoc-infocard-image { width: 80px; height: 80px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; background: var(--border, #334155); }
.surfdoc-infocard-info { flex: 1; min-width: 0; }
.surfdoc-infocard-title { font-size: 1.25rem; font-weight: 700; color: var(--text, #e5e5ef); margin: 0; line-height: 1.3; }
.surfdoc-infocard-subtitle { font-size: 0.8125rem; color: var(--text-secondary, #94a3b8); margin-top: 0.125rem; }
.surfdoc-infocard-badge { display: inline-block; font-size: 0.625rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; padding: 0.125rem 0.5rem; border-radius: var(--radius-sm); margin-top: 0.375rem; background: rgba(59,130,246,0.12); color: #60a5fa; }
.surfdoc-infocard-badge.who { background: rgba(139,92,246,0.12); color: #a78bfa; }
.surfdoc-infocard-badge.what { background: rgba(59,130,246,0.12); color: #60a5fa; }
.surfdoc-infocard-badge.when { background: rgba(251,191,36,0.12); color: #fbbf24; }
.surfdoc-infocard-badge.where { background: rgba(34,197,94,0.12); color: #4ade80; }
.surfdoc-infocard-badge.how { background: rgba(244,63,94,0.12); color: #fb7185; }
.surfdoc-infocard-summary { font-size: 0.8125rem; color: var(--text-secondary, #cbd5e1); line-height: 1.5; padding: 0 1.25rem; margin: 0; }
.surfdoc-infocard-facts { display: grid; grid-template-columns: auto 1fr; gap: 0.25rem 0.75rem; padding: 0.75rem 1.25rem 1.25rem; font-size: 0.8125rem; }
.surfdoc-infocard-fact-label { font-weight: 600; color: var(--text-secondary, #94a3b8); white-space: nowrap; }
.surfdoc-infocard-fact-value { color: var(--text, #e5e5ef); }
.surfdoc-infocard-steps { padding: 0.75rem 1.25rem 1.25rem; font-size: 0.8125rem; display: flex; flex-direction: column; gap: 0.5rem; }
.surfdoc-infocard-step { display: flex; gap: 0.625rem; align-items: flex-start; }
.surfdoc-infocard-step-num { width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0; background: var(--accent, #3b82f6); color: white; font-size: 0.6875rem; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.surfdoc-infocard-step-text { color: var(--text, #e5e5ef); line-height: 1.5; }
.surfdoc-infocard--loading .surfdoc-infocard-title, .surfdoc-infocard--loading .surfdoc-infocard-subtitle, .surfdoc-infocard--loading .surfdoc-infocard-badge, .surfdoc-infocard--loading .surfdoc-infocard-summary, .surfdoc-infocard--loading .surfdoc-infocard-fact-label, .surfdoc-infocard--loading .surfdoc-infocard-fact-value { color: transparent; background: var(--text-secondary, #64748b); border-radius: var(--radius-sm); animation: surfdoc-pulse 1.5s ease-in-out infinite; }

/* ============================================================
   55. REDUCED MOTION
   ============================================================ */

/* ============================================================
   56. APP SHELL — VS Code-style layout
   ============================================================ */

.surfdoc .surfdoc-app-shell { display: grid; height: 100vh; width: 100%; overflow: hidden; background: var(--background, #0a0a0f); color: var(--text, #e5e5ef); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif; font-size: 13px; }
.surfdoc .surfdoc-layout-sidebar-main-panel { grid-template-columns: 250px 1fr; grid-template-rows: 40px 36px 1fr 200px; }
.surfdoc .surfdoc-layout-sidebar-main-panel > .surfdoc-sidebar { grid-column: 1; grid-row: 1 / -1; }
.surfdoc .surfdoc-layout-sidebar-main-panel > .surfdoc-toolbar { grid-column: 2; grid-row: 1; }
.surfdoc .surfdoc-layout-sidebar-main-panel > .surfdoc-tab-bar { grid-column: 2; grid-row: 2; }
.surfdoc .surfdoc-layout-sidebar-main-panel > .surfdoc-tab-content { grid-column: 2; grid-row: 3; min-width: 0; }
.surfdoc .surfdoc-layout-sidebar-main-panel > .surfdoc-panel { grid-column: 2; grid-row: 4; }

/* ============================================================
   57. SIDEBAR
   ============================================================ */

.surfdoc .surfdoc-sidebar { background: var(--surface, #12121a); border-right: 1px solid var(--border, #30363d); overflow-y: auto; overflow-x: hidden; display: flex; flex-direction: column; }
.surfdoc .surfdoc-sidebar-left { grid-column: 1; grid-row: 1 / -1; }
.surfdoc .surfdoc-nav-tree { padding: 8px 0; font-size: 0.8125rem; flex: 1; }

/* ============================================================
   58. TOOLBAR
   ============================================================ */

.surfdoc .surfdoc-toolbar { display: flex; align-items: center; gap: 4px; padding: 0 12px; height: 40px; background: var(--surface, #12121a); border-bottom: 1px solid var(--border, #30363d); flex-shrink: 0; }
.surfdoc .surfdoc-toolbar-btn { background: transparent; border: 1px solid transparent; color: var(--text-secondary, #8b949e); cursor: pointer; padding: 4px 10px; border-radius: var(--radius-sm); font-size: 0.8125rem; display: inline-flex; align-items: center; gap: 4px; transition: background 0.15s, color 0.15s; }
.surfdoc .surfdoc-toolbar-btn:hover { background: var(--surface-alt, #1a1a24); color: var(--text, #e6edf3); }
.surfdoc .surfdoc-toolbar-btn-primary { background: var(--accent, #3b82f6); color: #fff; border-color: var(--accent, #3b82f6); font-weight: 600; }
.surfdoc .surfdoc-toolbar-btn-primary:hover { background: var(--accent-hover, #60a5fa); border-color: var(--accent-hover, #60a5fa); }
.surfdoc .surfdoc-toolbar-separator { width: 1px; height: 20px; background: var(--border, #30363d); margin: 0 4px; }
.surfdoc .surfdoc-toolbar-spacer { flex: 1; }
.surfdoc .surfdoc-toolbar-text { color: var(--text, #e6edf3); font-size: 0.8125rem; font-weight: 500; padding: 0 8px; }
.surfdoc .surfdoc-toolbar-dropdown { background: var(--surface-alt, #1a1a24); border: 1px solid var(--border, #30363d); color: var(--text-secondary, #8b949e); border-radius: var(--radius-sm); padding: 3px 8px; font-size: 0.75rem; cursor: pointer; }

/* ============================================================
   59. TAB BAR
   ============================================================ */

.surfdoc .surfdoc-tab-bar { display: flex; align-items: stretch; background: var(--surface, #12121a); border-bottom: 1px solid var(--border, #30363d); height: 36px; flex-shrink: 0; padding: 0 8px; gap: 0; }
.surfdoc .surfdoc-tab-bar button { background: transparent; border: none; border-bottom: 2px solid transparent; color: var(--text-secondary, #8b949e); cursor: pointer; padding: 0 14px; font-size: 0.8125rem; transition: color 0.15s, border-color 0.15s; white-space: nowrap; }
.surfdoc .surfdoc-tab-bar button:hover { color: var(--text, #e6edf3); }
.surfdoc .surfdoc-tab-bar button.active, .surfdoc .surfdoc-tab-bar button[aria-selected="true"] { color: var(--text, #e6edf3); border-bottom-color: var(--accent, #3b82f6); }

/* ============================================================
   60. TAB CONTENT
   ============================================================ */

.surfdoc .surfdoc-tab-content { overflow-y: auto; overflow-x: hidden; padding: 16px; background: var(--background, #0a0a0f); display: none; min-width: 0; }
.surfdoc .surfdoc-tab-content[data-tab="preview"] { display: block; }
.surfdoc .surfdoc-tab-content.active { display: block; }

/* ============================================================
   61. BOTTOM PANEL
   ============================================================ */

.surfdoc .surfdoc-panel { border-top: 1px solid var(--border, #30363d); background: var(--surface, #12121a); display: flex; flex-direction: column; flex-shrink: 0; }
.surfdoc .surfdoc-panel-bottom { height: 200px; }
.surfdoc .surfdoc-panel .surfdoc-tab-bar { height: 32px; border-bottom: 1px solid var(--border-light, #21262d); }
.surfdoc .surfdoc-panel .surfdoc-tab-bar button { font-size: 0.75rem; padding: 0 12px; }
.surfdoc .surfdoc-panel .surfdoc-tab-content { padding: 8px 12px; font-family: var(--font-mono, monospace); font-size: 0.75rem; background: var(--surface, #12121a); }

/* ============================================================
   62. TERMINAL
   ============================================================ */

.surfdoc .surfdoc-terminal { font-family: var(--font-mono, monospace); font-size: 0.8125rem; color: var(--text, #e6edf3); padding: 8px 12px; flex: 1; background: var(--surface, #12121a); }
.surfdoc .surfdoc-terminal::after { content: "$ "; color: var(--green, #3fb950); }

/* ============================================================
   63. LOG STREAM
   ============================================================ */

.surfdoc .surfdoc-log-stream { font-family: var(--font-mono, monospace); font-size: 0.75rem; color: var(--text-secondary, #8b949e); padding: 8px 12px; flex: 1; overflow-y: auto; }
.surfdoc .surfdoc-log-stream pre { margin: 0; white-space: pre-wrap; }

/* ============================================================
   64. PROBLEM LIST
   ============================================================ */

.surfdoc .surfdoc-problem-list { font-size: 0.75rem; padding: 8px 12px; color: var(--text-secondary, #8b949e); }
.surfdoc .surfdoc-problem-list:empty::after { content: "No problems detected."; color: var(--text-faint, #484f58); font-style: italic; }

/* ============================================================
   65. DRAWER (Mako)
   ============================================================ */

.surfdoc .surfdoc-drawer { position: fixed; top: 0; right: 0; height: 100vh; background: var(--surface, #12121a); border-left: 1px solid var(--border, #30363d); display: flex; flex-direction: column; z-index: 200; box-shadow: -4px 0 24px rgba(0,0,0,0.3); }
.surfdoc .surfdoc-drawer-right { width: 320px; }
.surfdoc .surfdoc-drawer h1 { font-size: 1rem; font-weight: 600; padding: 12px 16px; border-bottom: 1px solid var(--border, #30363d); margin: 0; flex-shrink: 0; }

/* ============================================================
   66. SUGGESTION CHIPS
   ============================================================ */

.surfdoc .surfdoc-suggestion-chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--border-light, #21262d); flex-shrink: 0; }
/* Standalone suggestion-chips (outside app-shell) */
.surfdoc-suggestion-chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 1rem 0; padding: 0.75rem 0; }
.surfdoc-chip { background: var(--surface, #fff); border: 1px solid var(--border, #dde2ec); border-radius: var(--radius-sm); color: var(--text, #0f1422); cursor: pointer; font-size: 0.8125rem; padding: 0.35rem 0.85rem; }
.surfdoc-chip:hover { background: var(--surface-alt, #eef1f7); border-color: var(--accent, #2563eb); color: var(--accent, #2563eb); }

/* ============================================================
   67. CHAT THREAD + INPUT
   ============================================================ */

.surfdoc .surfdoc-chat-thread { flex: 1; overflow-y: auto; padding: 16px; font-size: 0.8125rem; line-height: 1.6; }
.surfdoc .surfdoc-chat-thread:empty::after { content: "Start a conversation with Mako..."; color: var(--text-faint, #484f58); font-style: italic; }
/* Standalone chat-thread (outside app-shell) */
.surfdoc-chat-thread { margin: 1rem 0; padding: 1rem; border: 1px solid var(--border, #dde2ec); border-radius: 0; background: var(--surface, #fff); display: flex; flex-direction: column; gap: 0.75rem; }
.surfdoc-chat-msg { max-width: 85%; padding: 0.5rem 0.85rem; border-radius: var(--radius-sm); font-size: 0.875rem; line-height: 1.5; }
.surfdoc-chat-msg-user { align-self: flex-end; background: var(--accent-soft, #e3ebff); color: var(--text, #0f1422); }
.surfdoc-chat-msg-assistant { align-self: flex-start; background: var(--surface-alt, #eef1f7); color: var(--text, #0f1422); }
.surfdoc .surfdoc-chat-input { border-top: 1px solid var(--border, #30363d); padding: 12px; flex-shrink: 0; }
.surfdoc .surfdoc-chat-form { display: flex; gap: 8px; }
.surfdoc .surfdoc-chat-form input { flex: 1; background: var(--bg, #0a0a0f); border: 1px solid var(--border, #30363d); border-radius: var(--radius-sm); color: var(--text, #e6edf3); padding: 8px 12px; font-size: 0.8125rem; outline: none; }
.surfdoc .surfdoc-chat-form input:focus { border-color: var(--accent, #3b82f6); }
.surfdoc .surfdoc-chat-form button { background: var(--accent, #3b82f6); color: #fff; border: none; border-radius: var(--radius-sm); padding: 8px 16px; font-size: 0.8125rem; font-weight: 600; cursor: pointer; }
.surfdoc .surfdoc-chat-form button:hover { background: var(--accent-hover, #60a5fa); }

/* ============================================================
   68. MODAL
   ============================================================ */

.surfdoc .surfdoc-modal { background: var(--surface, #12121a); border: 1px solid var(--border, #30363d); border-radius: var(--radius-sm); padding: 0; color: var(--text, #e6edf3); max-width: 480px; width: 90%; box-shadow: 0 16px 48px rgba(0,0,0,0.4); }
.surfdoc .surfdoc-modal::backdrop { background: rgba(0,0,0,0.5); }
.surfdoc .surfdoc-modal h2 { font-size: 1rem; font-weight: 600; padding: 16px 20px; border-bottom: 1px solid var(--border, #30363d); margin: 0; }

/* ============================================================
   69. BADGE
   ============================================================ */

.surfdoc .surfdoc-badge { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: 0.6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: var(--tracking-wide); background: rgba(63,185,80,0.15); color: var(--green, #3fb950); }

/* ============================================================
   70. CODE EDITOR
   ============================================================ */

.surfdoc .surfdoc-code-editor { font-family: var(--font-mono, monospace); font-size: 0.8125rem; line-height: 1.6; background: var(--bg, #0a0a0f); padding: 16px; min-height: 200px; }
.surfdoc .surfdoc-code-editor pre { margin: 0; }

/* ============================================================
   71. BLOCK EDITOR
   ============================================================ */

.surfdoc .surfdoc-block-editor { padding: 16px; min-height: 200px; }
.surfdoc .surfdoc-block-editor:empty::after { content: "Click + Add Block to get started"; color: var(--text-faint, #484f58); font-style: italic; }

/* ============================================================
   72. COMMAND PALETTE
   ============================================================ */

.surfdoc .surfdoc-command-palette { position: fixed; top: 20%; left: 50%; transform: translateX(-50%); width: 500px; max-width: 90vw; background: var(--surface, #12121a); border: 1px solid var(--border, #30363d); border-radius: var(--radius-sm); box-shadow: 0 16px 48px rgba(0,0,0,0.5); z-index: 300; }
.surfdoc .surfdoc-command-search { width: 100%; background: transparent; border: none; border-bottom: 1px solid var(--border, #30363d); color: var(--text, #e6edf3); padding: 12px 16px; font-size: 0.875rem; outline: none; }
.surfdoc .surfdoc-command-list { list-style: none; padding: 4px; max-height: 300px; overflow-y: auto; }
.surfdoc .surfdoc-command-list li { padding: 8px 12px; border-radius: var(--radius-sm); cursor: pointer; font-size: 0.8125rem; }
.surfdoc .surfdoc-command-list li:hover { background: var(--surface-alt, #1a1a24); }

/* ============================================================
   73. PROGRESS
   ============================================================ */

.surfdoc .surfdoc-progress { list-style: none; padding: 12px 20px; font-size: 0.8125rem; }
.surfdoc .surfdoc-progress li { padding: 4px 0; display: flex; align-items: center; gap: 8px; }

/* ============================================================
   74. MOBILE RESPONSIVE — interactive blocks
   ============================================================ */

@media (max-width: 768px) {
    .surfdoc .surfdoc-layout-sidebar-main-panel { grid-template-columns: 1fr; }
    .surfdoc .surfdoc-sidebar { display: none; }
    .surfdoc .surfdoc-panel[data-desktop-only="true"] { display: none; }
    .surfdoc .surfdoc-drawer { width: 100% !important; height: 70vh; top: auto; bottom: 0; border-left: none; border-top: 1px solid var(--border, #30363d); border-radius: var(--radius-sm) var(--radius-sm) 0 0; }
    .surfdoc .surfdoc-toolbar { padding: 0 8px; overflow-x: auto; }
    .surfdoc .surfdoc-toolbar-btn { padding: 4px 8px; font-size: 0.75rem; }
}

/* ============================================================
   75. SCROLLBAR — thin dark scrollbars
   ============================================================ */

.surfdoc ::-webkit-scrollbar { width: 8px; height: 8px; }
.surfdoc ::-webkit-scrollbar-track { background: transparent; }
.surfdoc ::-webkit-scrollbar-thumb { background: var(--border, #30363d); border-radius: var(--radius-sm); }
.surfdoc ::-webkit-scrollbar-thumb:hover { background: var(--text-faint, #484f58); }

/* ============================================================
   76. REDUCED MOTION
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================================================
   76. STATIC-RENDER CONTAINMENT — interactive overlay/app blocks
   A rendered SurfDoc is a static document with no JS to open/close
   overlays, so command-palette / drawer / modal must NOT float over
   the page (z-index/position:fixed), and app-shell must not consume a
   full viewport height. Render them contained, in normal flow, at
   their actual position in the document as labeled previews.
   ============================================================ */
.surfdoc .surfdoc-command-palette,
.surfdoc .surfdoc-drawer,
.surfdoc .surfdoc-modal {
    position: static !important;
    inset: auto !important;
    top: auto !important;
    right: auto !important;
    bottom: auto !important;
    left: auto !important;
    transform: none !important;
    width: auto !important;
    max-width: 100% !important;
    height: auto !important;
    max-height: none !important;
    margin: 1.5rem 0 !important;
    box-shadow: none !important;
    z-index: auto !important;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}
/* Overlay preview labels — show block type in top-left corner of each contained overlay */
.surfdoc .surfdoc-command-palette::before { content: "Command Palette"; }
.surfdoc .surfdoc-drawer::before { content: "Drawer"; }
.surfdoc .surfdoc-modal::before { content: "Modal"; }
.surfdoc .surfdoc-command-palette::before,
.surfdoc .surfdoc-drawer::before,
.surfdoc .surfdoc-modal::before {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--font-size-micro);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    font-weight: var(--font-weight-semibold);
    color: var(--text-muted);
    padding: 6px 12px 6px;
    border-bottom: 1px solid var(--border);
    background: var(--surface-alt);
}
/* Modal title — <strong class="surfdoc-modal-title"> replaces bare <h2> so it stays out of TOC */
.surfdoc .surfdoc-modal .surfdoc-modal-title {
    display: block;
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-semibold);
    padding: 12px 20px 8px;
    color: var(--text);
}
.surfdoc .surfdoc-app-shell {
    height: auto !important;
    min-height: 300px;
    max-height: 460px;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin: 1.5rem 0;
}

/* ============================================================
   77. INFRA / APP-SPEC CONFIG CARDS
   Styled as compact bordered cards with a mono label header.
   <strong class="surfdoc-infra-label"> replaces bare <h4> so
   headings do NOT enter the TOC.
   ============================================================ */
.surfdoc-infra-card {
    margin: 0.75rem 0;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-alt);
    font-size: var(--font-size-caption);
}
.surfdoc-infra-label {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--font-size-micro);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: var(--text-muted);
    margin-bottom: 6px;
}
.surfdoc-infra-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.surfdoc-infra-card li {
    font-family: var(--font-mono);
    font-size: var(--font-size-micro);
    color: var(--text);
    line-height: 1.5;
}
.surfdoc-infra-card li code {
    background: transparent;
    padding: 0;
    font-size: inherit;
    color: var(--accent-light);
}
/* Deploy badge — env chip inside the deploy card */
.surfdoc-deploy-badge {
    display: inline-block;
    padding: 1px 8px;
    border-radius: var(--radius-sm);
    background: var(--accent-soft);
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: var(--font-size-micro);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    margin-bottom: 6px;
}
/* Route card — method badge coloring */
.surfdoc-infra-card.surfdoc-route { padding: 10px 14px; }
.surfdoc-route-head { margin-bottom: 8px; }
.surfdoc-route-method {
    display: inline-block;
    padding: 1px 7px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: var(--font-size-micro);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    margin-right: 6px;
}
.surfdoc-method-get { background: rgba(34,197,94,0.12); color: var(--success); }
.surfdoc-method-post { background: rgba(59,130,246,0.12); color: var(--accent); }
.surfdoc-method-put { background: rgba(245,158,11,0.12); color: var(--warning); }
.surfdoc-method-patch { background: rgba(245,158,11,0.12); color: var(--warning); }
.surfdoc-method-delete { background: rgba(239,68,68,0.12); color: var(--danger); }
.surfdoc-route-path { font-size: var(--font-size-caption); }
.surfdoc-route-auth { font-size: var(--font-size-micro); color: var(--text-muted); margin-left: 4px; }
/* Model table — inherits .surfdoc-data but needs a bit of breathing room */
.surfdoc-model .surfdoc-model-table { margin-top: 6px; }
.surfdoc-model-constraints { font-size: var(--font-size-micro); color: var(--text-muted); }
/* Schema name — already has a class so it doesn't enter TOC; style it */
.surfdoc-schema-name {
    font-family: var(--font-mono);
    font-size: var(--font-size-micro);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: var(--text-muted);
    margin: 0 0 6px;
}
/* App section wrapper */
.surfdoc-app {
    margin: 1.5rem 0;
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    background: var(--surface-alt);
    overflow: hidden;
}
.surfdoc-app-header {
    padding: 10px 14px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: var(--font-size-caption);
    color: var(--text);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}
.surfdoc-app > .surfdoc-infra-card { margin: 8px; }
/* Smoke check table */
.surfdoc-smoke { width: 100%; border-collapse: collapse; font-size: var(--font-size-micro); font-family: var(--font-mono); }
.surfdoc-smoke th { text-align: left; padding: 4px 8px; background: var(--surface); border-bottom: 1px solid var(--border); font-weight: var(--font-weight-semibold); color: var(--text-muted); }
.surfdoc-smoke td { padding: 4px 8px; border-bottom: 1px solid var(--border); color: var(--text); }
.surfdoc-smoke tbody tr:last-child td { border-bottom: none; }

/* ============================================================
   78. DATA-DRIVEN BLOCK PREVIEW STATES
   Static sample content for blocks that fetch /api/... (404 in demo).
   Each block gets a tasteful preview so the demo shows no blank boxes.
   ============================================================ */

/* Suppress the generic ::after "$ " prompt on terminals that have their own preview content */
.surfdoc .surfdoc-terminal.surfdoc-terminal-preview::after { content: "" !important; display: none !important; }

/* Terminal preview */
.surfdoc-terminal-preview {
    font-family: var(--font-mono);
    font-size: var(--font-size-caption);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin: 1rem 0;
    color: var(--text);
}
.surfdoc-terminal-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--surface-alt);
    border-bottom: 1px solid var(--border);
}
.surfdoc-terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}
.surfdoc-terminal-dot-red { background: #ff5f57; }
.surfdoc-terminal-dot-yellow { background: #febc2e; }
.surfdoc-terminal-dot-green { background: #28c840; }
.surfdoc-terminal-title { font-size: var(--font-size-micro); color: var(--text-muted); margin-left: 4px; }
.surfdoc-terminal-body { margin: 0; padding: 10px 14px; overflow-x: auto; }
.surfdoc-terminal-prompt { color: var(--success); user-select: none; margin-right: 6px; }
.surfdoc-terminal-out { color: var(--text-muted); }
.surfdoc-terminal-cursor {
    display: inline-block;
    width: 7px;
    height: 14px;
    background: var(--text);
    vertical-align: text-bottom;
    animation: surfdoc-blink 1.1s step-end infinite;
}
@keyframes surfdoc-blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* Chart preview */
.surfdoc-chart-preview {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-alt);
    margin: 1rem 0;
    overflow: hidden;
}
.surfdoc-chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
}
.surfdoc-chart-type-label {
    font-family: var(--font-mono);
    font-size: var(--font-size-micro);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: var(--text-muted);
    font-weight: var(--font-weight-semibold);
}
.surfdoc-chart-source-label {
    font-family: var(--font-mono);
    font-size: var(--font-size-micro);
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}
.surfdoc-chart-svg {
    display: block;
    width: 100%;
    height: auto;
    padding: 8px;
    color: var(--text-muted);
}

/* Board preview — sample cards */
.surfdoc-board-card-sample {
    padding: 8px 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-caption);
    color: var(--text);
    line-height: 1.4;
}

/* Dashboard preview tiles */
.surfdoc-dashboard-preview .surfdoc-dashboard-grid {
    padding: 12px;
    gap: 10px;
}
.surfdoc-dashboard-tile {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
}
.surfdoc-dashboard-tile-value {
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-bold);
    color: var(--text);
    letter-spacing: var(--tracking-tight);
    line-height: 1.1;
}
.surfdoc-dashboard-tile-label {
    font-size: var(--font-size-micro);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}
.surfdoc-dashboard-tile-trend {
    font-size: var(--font-size-micro);
    font-weight: var(--font-weight-semibold);
    margin-top: 2px;
}

/* Feed preview */
.surfdoc-feed-preview .surfdoc-feed-items { gap: 0; }
.surfdoc-feed-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
}
.surfdoc-feed-item:last-child { border-bottom: none; }
.surfdoc-feed-avatar {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-circle);
    background: var(--accent);
    color: #fff;
    font-size: var(--font-size-micro);
    font-weight: var(--font-weight-bold);
    display: flex;
    align-items: center;
    justify-content: center;
}
.surfdoc-feed-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1px;
}
.surfdoc-feed-name {
    display: block;
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-semibold);
    color: var(--text);
}
.surfdoc-feed-text {
    display: block;
    font-size: var(--font-size-caption);
    color: var(--text-muted);
    line-height: 1.4;
}
.surfdoc-feed-time {
    display: block;
    font-size: var(--font-size-micro);
    color: var(--text-muted);
    margin-top: 2px;
}

/* Log stream preview */
.surfdoc-log-stream-preview {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: #0d0d14;
    color: #8b8ba0;
    margin: 1rem 0;
    overflow: hidden;
}
.surfdoc-log-stream-preview pre {
    margin: 0;
    padding: 10px 14px;
    overflow-x: auto;
    font-size: var(--font-size-micro);
    line-height: 1.7;
}
.surfdoc-log-info { color: #60a5fa; }
.surfdoc-log-warn { color: var(--warning); }
.surfdoc-log-error { color: var(--danger); }

/* Problem list preview — empty state */
.surfdoc-problem-list-preview {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-alt);
    margin: 1rem 0;
    padding: 16px 14px;
}
.surfdoc-problem-empty {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--font-size-caption);
    color: var(--text-muted);
    font-style: italic;
}
.surfdoc-problem-empty svg { color: var(--success); flex-shrink: 0; }

/* Nav tree preview */
.surfdoc-nav-tree-preview {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-alt);
    margin: 1rem 0;
    padding: 8px 0;
}
.surfdoc-tree-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.surfdoc-tree-list li { list-style: none; }
.surfdoc-tree-list li::marker { content: ""; display: none; }
.surfdoc-tree-list .surfdoc-tree-list {
    padding-left: 16px;
}
.surfdoc-tree-folder,
.surfdoc-tree-file {
    display: flex;
    align-items: center;
    padding: 3px 12px;
    font-size: var(--font-size-caption);
    font-family: var(--font-mono);
    color: var(--text);
    cursor: default;
    line-height: 1.5;
}
.surfdoc-tree-toggle {
    display: inline-block;
    width: 14px;
    font-size: 9px;
    color: var(--text-muted);
    margin-right: 4px;
    flex-shrink: 0;
}
.surfdoc-tree-file { padding-left: 30px; color: var(--text-muted); }
.surfdoc-tree-active { color: var(--accent) !important; background: var(--accent-soft); border-radius: var(--radius-sm); }

/* Block editor preview */
.surfdoc-block-editor-preview {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    margin: 1rem 0;
    padding: 20px 24px;
    min-height: 120px;
}
.surfdoc-block-editor-h1 {
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-bold);
    color: var(--text);
    margin-bottom: 8px;
}
.surfdoc-block-editor-p {
    font-size: var(--font-size-ui);
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.6;
}
.surfdoc-block-editor-add {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-size-caption);
    color: var(--text-muted);
    border: 1px dashed var(--border);
    border-radius: var(--radius-sm);
    padding: 4px 12px;
    cursor: default;
}
.surfdoc-block-editor-p kbd {
    display: inline-block;
    padding: 1px 5px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: var(--font-size-micro);
    background: var(--surface-alt);
    color: var(--text);
}

/* ============================================================
   RICH SHELL (::nav drawer / ::footer brand column / theme)
   Structural layout for the cloudsurf.com-quality shell. Opt-in
   via ::nav[drawer ...] / ::footer[brand ...]. Site-specific polish
   (frosted glass, starfield) is layered on by the consumer's own CSS;
   these defaults give every consumer a clean working shell.
   The drawer is driven by `.drawer-open` on <html> (set by the
   toggleDrawer()/closeDrawer() helpers to_html_page emits).
   ============================================================ */

.surfdoc-shell-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--shell-nav-bg);
    border-bottom: 1px solid var(--border);
}
.surfdoc-shell-nav-inner {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
}
.surfdoc-shell-nav-spacer { flex: 1; }
.surfdoc-shell-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
}
.surfdoc-shell-emblem { width: 34px; height: 34px; border-radius: 8px; }
.surfdoc-shell-reg {
    font-size: 0.55em;
    vertical-align: super;
    color: var(--text-muted);
    font-weight: 400;
    margin-left: 1px;
}
.surfdoc-shell-menu-btn,
.surfdoc-shell-theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    padding: 0;
    border: 1px solid var(--shell-control-border);
    border-radius: 50%;
    background: var(--shell-btn-bg);
    color: var(--text);
    cursor: pointer;
    transition: background 150ms ease;
}
.surfdoc-shell-theme-toggle { margin-left: 4px; }
.surfdoc-shell-menu-btn:hover,
.surfdoc-shell-theme-toggle:hover { background: var(--surface-hover); }

.surfdoc-shell-nav-links { display: flex; align-items: center; gap: 4px; }
.surfdoc-shell-nav-cta {
    padding: 6px 16px;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    background: var(--accent);
    color: var(--accent-text);
    text-decoration: none;
    font-weight: 600;
}
/* (0,2,0) beats the global `a:hover` (0,1,1) which would otherwise repaint the
   label to var(--accent-hover) — invisible on the accent-filled button. Keep the
   on-accent label; darken the fill on hover instead. */
.surfdoc-shell-nav-cta:hover {
    color: var(--accent-text);
    filter: brightness(0.94);
    text-decoration: none;
}

/* Theme toggle sun/moon swap */
.surfdoc-shell-icon-sun { display: none; }
[data-theme="dark"] .surfdoc-shell-icon-sun { display: block; }
[data-theme="dark"] .surfdoc-shell-icon-moon { display: none; }

/* Scrim + slide-in drawer */
.surfdoc-shell-scrim {
    position: fixed;
    inset: 0;
    z-index: 150;
    background: rgba(8, 12, 24, 0.28);
    opacity: 0;
    pointer-events: none;
    transition: opacity 280ms ease;
}
.drawer-open .surfdoc-shell-scrim { opacity: 1; pointer-events: auto; }

.surfdoc-shell-drawer {
    position: fixed;
    z-index: 200;
    top: 12px;
    bottom: 12px;
    left: 12px;
    width: min(320px, calc(100vw - 24px));
    border-radius: 24px;
    background: var(--shell-drawer-bg);
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.25);
    transform: translateX(calc(-100% - 16px));
    transition: transform 320ms cubic-bezier(0.22, 1, 0.36, 1);
    overflow: hidden;
}
.drawer-open .surfdoc-shell-drawer { transform: translateX(0); }
.surfdoc-shell-drawer-inner { height: 100%; overflow-y: auto; padding: 18px 18px 28px; }
.surfdoc-shell-drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}
.surfdoc-shell-drawer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1rem;
    color: var(--text);
}
.surfdoc-shell-drawer-emblem { width: 28px; height: 28px; border-radius: 7px; }
.surfdoc-shell-drawer-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--shell-control-border);
    border-radius: 50%;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    transition: background 150ms ease;
}
.surfdoc-shell-drawer-close:hover { background: var(--surface-hover); }
.surfdoc-shell-drawer-nav { display: flex; flex-direction: column; gap: 2px; }
.surfdoc-shell-drawer-label {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    padding: 16px 12px 6px;
}
.surfdoc-shell-drawer-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 12px;
    border-radius: 12px;
    color: var(--text);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: background 150ms ease, color 150ms ease;
}
.surfdoc-shell-drawer-link:hover { background: var(--shell-drawer-link-hover-bg); color: var(--accent); }
.surfdoc-shell-drawer-link:hover .surfdoc-shell-drawer-link-icon,
.surfdoc-shell-drawer-link:hover .surfdoc-shell-drawer-link-emblem { color: var(--accent); }
.surfdoc-shell-drawer-link-icon { width: 18px; height: 18px; flex-shrink: 0; color: var(--text-muted); transition: color 150ms ease; }
.surfdoc-shell-drawer-link-icon svg { width: 18px; height: 18px; }
/* Product emblems are tinted single-color via a CSS mask (asset path passed as
   --emblem) so they read like the monochrome line icons and recolor on hover. */
.surfdoc-shell-drawer-link-emblem {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--text-muted);
    background-color: currentColor;
    -webkit-mask-image: var(--emblem);
    mask-image: var(--emblem);
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-position: center;
    -webkit-mask-size: contain;
    mask-size: contain;
    transition: color 150ms ease;
}

@media (prefers-reduced-motion: reduce) {
    .surfdoc-shell-drawer,
    .surfdoc-shell-scrim { transition: none; }
}

/* Footer brand column */
.surfdoc-shell-footer { padding: 48px 0 32px; }
.surfdoc-shell-footer-inner { max-width: 1120px; padding: 0 24px; margin: 0 auto; }
.surfdoc-shell-footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 32px;
}
.surfdoc-shell-footer-brand-col { display: flex; flex-direction: column; gap: 8px; }
.surfdoc-shell-footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
}
.surfdoc-shell-footer-emblem { width: 34px; height: 34px; border-radius: 6px; }
.surfdoc-shell-footer-tagline { font-size: 0.875rem; color: var(--text-muted); line-height: 1.5; }
.surfdoc-shell-footer-col { display: flex; flex-direction: column; gap: 8px; }
.surfdoc-shell-footer-heading {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}
.surfdoc-shell-footer-col a { font-size: 0.875rem; color: var(--text-muted); text-decoration: none; transition: color 150ms ease; }
.surfdoc-shell-footer-col a:hover { color: var(--text); }
.surfdoc-shell-footer-copyright { font-size: 0.8125rem; color: var(--text-muted); padding-top: 24px; }

@media (max-width: 768px) {
    .surfdoc-shell-footer-grid { grid-template-columns: 1fr 1fr; }
    .surfdoc-shell-nav-links { display: none; }
}

/* ============================================================
   POST-GRID — blog / news / events index (::post-grid)
   ============================================================ */
.surfdoc-post-grid { padding: 56px 0; }
.surfdoc-pg2-inner { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.surfdoc-post-grid-head { max-width: 720px; margin: 0 0 36px; }
.surfdoc-post-grid-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-display);
    font-weight: var(--font-weight-extrabold);
    letter-spacing: var(--tracking-tight);
    line-height: 1.1;
    color: var(--text);
    margin: 0 0 12px;
}
.surfdoc-post-grid-subtitle {
    font-size: var(--font-size-body-lg);
    line-height: 1.6;
    color: var(--text-muted);
    margin: 0;
}
.surfdoc-post-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}
.surfdoc-post-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: var(--ws-border-w) var(--ws-border-style) var(--border);
    border-radius: var(--ws-radius-card);
    background: var(--surface);
    box-shadow: var(--ws-shadow);
    text-decoration: none;
    color: inherit;
    transition: box-shadow 180ms ease, border-color 180ms ease;
}
.surfdoc-post-card:hover {
    box-shadow: var(--ws-shadow-hover);
    border-color: var(--accent);
}
/* The whole card is an <a>, so the prose `.surfdoc a:hover` underline would
   propagate to the card's title/excerpt. Suppress it (0,2,2 beats 0,2,1). */
.surfdoc a.surfdoc-post-card,
.surfdoc a.surfdoc-post-card:hover { text-decoration: none; }
.surfdoc-post-card-img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: var(--surface-alt);
    background-image: var(--img);
    background-size: cover;
    background-position: center;
}
.surfdoc-post-card-body {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 20px 22px 22px;
    flex: 1;
}
.surfdoc-post-card-meta {
    font-size: var(--font-size-micro);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: var(--text-muted);
}
.surfdoc-post-card-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
    color: var(--text);
    margin: 0;
}
.surfdoc-post-card-excerpt {
    font-size: var(--font-size-caption);
    line-height: 1.55;
    color: var(--text-muted);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.surfdoc-post-card-more {
    margin-top: auto;
    padding-top: 6px;
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-semibold);
    color: var(--accent);
}

/* ============================================================
   GATE — access-code card (::gate)
   ============================================================ */
.surfdoc-gate {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    padding: 48px 24px;
}
.surfdoc-gate-card {
    width: 100%;
    max-width: 400px;
    padding: 36px 32px;
    text-align: center;
    background: var(--surface);
    border: var(--ws-border-w) var(--ws-border-style) var(--border);
    border-radius: var(--ws-radius-card);
    box-shadow: var(--ws-shadow-hover);
}
.surfdoc-gate-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-h1);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--tracking-tight);
    color: var(--text);
    margin: 0 0 8px;
}
.surfdoc-gate-subtitle {
    font-size: var(--font-size-body);
    line-height: 1.55;
    color: var(--text-muted);
    margin: 0 0 24px;
}
.surfdoc-gate-error {
    font-size: var(--font-size-caption);
    color: var(--danger);
    background: var(--danger-light);
    border-radius: var(--radius);
    padding: 8px 12px;
    margin: 0 0 16px;
}
.surfdoc-gate-input {
    width: 100%;
    box-sizing: border-box;
    padding: 12px 14px;
    font-size: var(--font-size-body);
    color: var(--text);
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 14px;
    transition: border-color 150ms ease, box-shadow 150ms ease;
}
.surfdoc-gate-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.surfdoc-gate-submit {
    width: 100%;
    padding: 12px 18px;
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-semibold);
    color: var(--accent-text);
    background: var(--accent);
    border: none;
    border-radius: var(--ws-radius-btn);
    cursor: pointer;
    transition: background 150ms ease;
}
.surfdoc-gate-submit:hover { background: var(--accent-hover); }

/* ============================================================
   READING FRAME — toolbar + centered sheet (PageConfig.reading_frame)
   ============================================================ */
.surfdoc-doc-toolbar {
    position: sticky;
    top: var(--shell-nav-h);
    z-index: 50;
    /* Transparent floating bar — no background/border; the back capsule carries
       its own surface. pointer-events lets clicks pass through to the content
       everywhere except the button itself. */
    pointer-events: none;
}
.surfdoc-doc-toolbar .surfdoc-doc-back,
.surfdoc-doc-toolbar .surfdoc-doc-title { pointer-events: auto; }
.surfdoc-doc-toolbar-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    /* Full-width so the back button sits in the page's left margin, clear of the
       centered sheet; the title stays centered across the viewport. */
    padding: 10px 32px;
}
/* iOS-style capsule back button: matches the shell's pill controls (uses the
   same --shell-btn-bg / --shell-control-border hooks, so it inherits each
   consumer's skin — e.g. cloudsurf's frosted glass). */
.surfdoc-doc-back {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 6px 14px 6px 11px;
    border: 1px solid var(--shell-control-border);
    border-radius: 999px;
    background: var(--shell-btn-bg);
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-medium);
    color: var(--text);
    text-decoration: none;
    transition: color 150ms ease, border-color 150ms ease, background 150ms ease;
}
.surfdoc-doc-back:hover { color: var(--accent); border-color: var(--accent); }
/* Kill the prose `.surfdoc a:hover` underline on the capsule (0,2,2 > 0,2,1). */
.surfdoc a.surfdoc-doc-back,
.surfdoc a.surfdoc-doc-back:hover { text-decoration: none; }
.surfdoc-doc-title {
    flex: 1;
    text-align: center;
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-semibold);
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.surfdoc-doc-toolbar-spacer { flex-shrink: 0; width: 64px; }
/* The frame hosts its own centered sheet, so the main wrapper (which also
   carries .surfdoc) must NOT impose the base document max-width/padding — let
   the toolbar + stage run full-bleed and only the sheet stay constrained. */
.surfdoc-doc-main { max-width: none; padding: 0; }
.surfdoc-doc-stage {
    padding: 104px 24px 96px;
    /* Transparent by default so the host page background shows through behind
       the sheet; a consumer can set --doc-stage-bg for a distinct stage band. */
    background: var(--doc-stage-bg, transparent);
}
.surfdoc-doc-page {
    max-width: 760px;
    margin: 0 auto;
    padding: 48px 56px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--ws-radius-card);
    box-shadow: var(--ws-shadow-hover);
}
@media (max-width: 768px) {
    .surfdoc-doc-page { padding: 32px 24px; }
    .surfdoc-doc-toolbar-spacer { width: 0; }
}