/* ============================================================
   PureTheme — Documentation Theme
   Modular CSS architecture
   ============================================================ */

/* ---------- 1. Design Tokens / Variables ---------- */
:root {
    /* Brand */
    --brand-50:  #eef2ff;
    --brand-100: #e0e7ff;
    --brand-200: #c7d2fe;
    --brand-300: #a5b4fc;
    --brand-400: #818cf8;
    --brand-500: #6366f1;
    --brand-600: #4f46e5;
    --brand-700: #4338ca;
    --brand-800: #3730a3;
    --brand-900: #312e81;

    /* Slate / Surface */
    --slate-50:  #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --slate-950: #020617;

    /* Semantic */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger:  #ef4444;
    --color-info:    #3b82f6;

    /* Light theme surfaces */
    --bg:           #ffffff;
    --bg-soft:      #fafbfc;
    --bg-muted:     #f5f7fa;
    --bg-elevated:  #ffffff;
    --bg-code:      #f8fafc;
    --border:       #e6e9ef;
    --border-strong:#d4d8e1;
    --text:         #1e293b;
    --text-soft:    #475569;
    --text-muted:   #64748b;
    --text-faint:   #94a3b8;
    --link:         var(--brand-600);
    --link-hover:   var(--brand-700);
    --text-primary: var(--brand-600);

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.10), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    --shadow-glow: 0 0 0 4px rgba(99, 102, 241, 0.12);

    /* Radius */
    --r-xs: 6px;
    --r-sm: 8px;
    --r-md: 10px;
    --r-lg: 14px;
    --r-xl: 18px;
    --r-2xl: 24px;
    --r-pill: 999px;

    /* Spacing scale */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;

    /* Typography */
    --font-sans: 'Inter', 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Manrope', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular, Menlo, monospace;

    /* Layout */
    --navbar-h: 64px;
    --sidebar-w: 280px;
    --toc-w: 240px;
    --container-max: 100%; /* 1440px | 100% */

    /* Motion */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --t-fast: 120ms;
    --t-base: 200ms;
    --t-slow: 320ms;
}

/* ---------- 2. Dark Theme ---------- */
[data-theme="dark"] {
    --bg:           #0b1020;
    --bg-soft:      #0f152a;
    --bg-muted:     #131a30;
    --bg-elevated:  #161e36;
    --bg-code:      #0d1326;
    --border:       #1f2742;
    --border-strong:#2a3458;
    --text:         #e6ebf5;
    --text-soft:    #b8c1d9;
    --text-muted:   #8b95b4;
    --text-faint:   #6b7494;
    --link:         var(--brand-400);
    --link-hover:   var(--brand-300);

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 0 4px rgba(129, 140, 248, 0.2);
}

/* ---------- 3. Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--navbar-h) + 24px);
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
    transition: background-color var(--t-base) var(--ease), color var(--t-base) var(--ease);
    overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: none; background: transparent; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }
ul, ol { list-style: none; }
a { color: var(--link); text-decoration: none; transition: color var(--t-fast) var(--ease); }
a:hover { color: var(--link-hover); }

::selection { background: var(--brand-200); color: var(--brand-900); }
[data-theme="dark"] ::selection { background: var(--brand-700); color: var(--brand-50); }

/* Scrollbars */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: var(--r-pill); border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }

/* ---------- 4. Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--text);
    line-height: 1.25;
    letter-spacing: -0.02em;
}
h1 { font-size: clamp(2rem, 4vw, 2.75rem); margin-bottom: var(--space-4); }
h2 { font-size: 1.875rem; margin-top: var(--space-12); margin-bottom: var(--space-1); padding-top: var(--space-2); }
h3 { font-size: 1.375rem; margin-top: var(--space-8); margin-bottom: var(--space-3); }
h4 { font-size: 1.125rem; margin-top: var(--space-6); margin-bottom: var(--space-2); }
p  { margin-bottom: var(--space-4); color: var(--text-soft); }

.lead { font-size: 1.125rem; color: var(--text-muted); line-height: 1.7; }

.separator { margin: var(--space-12) 0; }

.mb-8 { margin-bottom: var(--space-8); }

code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background: var(--bg-muted);
    color: var(--brand-700);
    padding: 0.15em 0.45em;
    border-radius: var(--r-xs);
    border: 1px solid var(--border);
}
[data-theme="dark"] code { color: var(--brand-300); }
pre code { background: transparent; border: none; padding: 0; color: inherit; font-size: 0.875rem; }

/* ---------- 5. Top Navbar ---------- */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--navbar-h);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    transition: background-color var(--t-base) var(--ease);
}
[data-theme="dark"] .navbar { background: rgba(11, 16, 32, 0.82); }

.navbar-inner {
    height: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding: 0 var(--space-6);
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr auto;
    align-items: center;
    gap: var(--space-6);
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.0625rem;
    color: var(--text);
    letter-spacing: -0.02em;
}
.brand:hover { color: var(--text); }
.brand-logo-img {
    height: 28px;
    width: auto;
    display: block;
}
.brand-logo-dark { display: none; }
[data-theme="dark"] .brand-logo-light { display: none; }
[data-theme="dark"] .brand-logo-dark  { display: block; }
.brand-version {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--brand-600);
    background: var(--brand-50);
    padding: 2px 8px;
    border-radius: var(--r-pill);
    margin-left: var(--space-1);
}
[data-theme="dark"] .brand-version { background: rgba(99, 102, 241, 0.15); color: var(--brand-300); }

.navbar-search { max-width: 460px; width: 100%; justify-self: center; }
.search-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 8px 12px 8px 14px;
    background: var(--bg-muted);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    color: var(--text-muted);
    font-size: 0.875rem;
    transition: all var(--t-fast) var(--ease);
}
.search-trigger:hover {
    background: var(--bg-elevated);
    border-color: var(--brand-300);
    box-shadow: var(--shadow-sm);
}
.search-trigger .search-text { flex: 1; text-align: left; }
.search-trigger kbd {
    font-family: var(--font-sans);
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--r-xs);
    padding: 2px 6px;
    box-shadow: 0 1px 0 var(--border);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.icon-btn {
    width: 38px; height: 38px;
    display: grid; place-items: center;
    color: var(--text-muted);
    border-radius: var(--r-md);
    transition: all var(--t-fast) var(--ease);
}
.icon-btn:hover { background: var(--bg-muted); color: var(--text); }
.icon-btn svg { width: 18px; height: 18px; }

.version-switch { position: relative; }
.version-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    height: 36px;
    padding: 0 12px;
    border-radius: var(--r-md);
    background: var(--bg-muted);
    color: var(--text-soft);
    font-size: 0.8125rem;
    font-weight: 600;
    border: 1px solid var(--border);
    transition: all var(--t-fast) var(--ease);
}
.version-btn:hover { border-color: var(--brand-300); }
.version-btn svg { width: 14px; height: 14px; opacity: 0.7; }

.version-menu {
    position: absolute;
    top: calc(100% + 8px); right: 0;
    min-width: 160px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    box-shadow: var(--shadow-lg);
    padding: 6px;
    opacity: 0;
    transform: translateY(-4px);
    pointer-events: none;
    transition: all var(--t-fast) var(--ease);
    z-index: 50;
}
.version-switch.open .version-menu {
    opacity: 1; transform: translateY(0); pointer-events: auto;
}
.version-menu a {
    display: flex; justify-content: space-between; align-items: center;
    padding: 8px 10px;
    border-radius: var(--r-sm);
    font-size: 0.8125rem;
    color: var(--text-soft);
}
.version-menu a:hover { background: var(--bg-muted); color: var(--text); }
.version-menu a.current { color: var(--brand-600); font-weight: 600; }
.version-menu .badge-mini {
    font-size: 0.625rem;
    background: var(--color-success);
    color: white;
    padding: 1px 6px;
    border-radius: var(--r-pill);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 38px;
    padding: 0 16px;
    border-radius: var(--r-md);
    font-size: 0.8125rem;
    font-weight: 600;
    line-height: 1;
    transition: all var(--t-fast) var(--ease);
    white-space: nowrap;
}
.btn-primary {
    background: linear-gradient(180deg, var(--brand-500), var(--brand-600));
    color: white;
    box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn-primary:hover {
    color: white;
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255,255,255,0.25);
    transform: translateY(-1px);
}
.btn-ghost {
    color: var(--text-soft);
    border: 1px solid var(--border);
    background: var(--bg);
}
.btn-ghost:hover { border-color: var(--border-strong); background: var(--bg-muted); }

.mobile-toggle { display: none; }

/* ---------- 6. Layout ---------- */
.docs-layout {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-top: var(--navbar-h);
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr var(--toc-w);
    gap: var(--space-10);
    padding-left: var(--space-6);
    padding-right: var(--space-6);
}

/* ---------- 7. Left Sidebar ---------- */
.sidebar {
    position: sticky;
    top: var(--navbar-h);
    align-self: start;
    height: calc(100vh - var(--navbar-h));
    overflow-y: auto;
    padding: var(--space-6) var(--space-2) var(--space-10) var(--space-2);
    scrollbar-width: thin;
}

.sidebar-search {
    margin-bottom: var(--space-5);
    position: relative;
}
.sidebar-search input {
    width: 100%;
    height: 36px;
    padding: 0 12px 0 34px;
    background: var(--bg-muted);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    font-size: 0.8125rem;
    color: var(--text);
    outline: none;
    transition: all var(--t-fast) var(--ease);
}
.sidebar-search input:focus {
    border-color: var(--brand-400);
    box-shadow: var(--shadow-glow);
    background: var(--bg);
}
.sidebar-search svg {
    position: absolute;
    left: 11px; top: 50%;
    transform: translateY(-50%);
    width: 14px; height: 14px;
    color: var(--text-faint);
}

.nav-section { margin-bottom: var(--space-5); }
.nav-section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 6px 10px;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    border-radius: var(--r-sm);
    transition: color var(--t-fast) var(--ease);
}
.nav-section-title:hover { color: var(--text); }
.nav-section-title .chev {
    width: 12px; height: 12px;
    transition: transform var(--t-base) var(--ease);
}
.nav-section.collapsed .chev { transform: rotate(-90deg); }
.nav-section.collapsed .nav-list { display: none; }

.nav-list {
    margin-top: 4px;
    display: flex; flex-direction: column;
    gap: 2px;
    padding-left: 4px;
}
.nav-list a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    border-radius: var(--r-sm);
    font-size: 0.875rem;
    color: var(--text-soft);
    line-height: 1.4;
    border-left: 2px solid transparent;
    margin-left: 2px;
}
.nav-list a:hover { color: var(--text); background: var(--bg-muted); }
.nav-list a.active {
    color: var(--brand-700);
    background: var(--brand-50);
    font-weight: 600;
    border-left-color: var(--brand-500);
}
[data-theme="dark"] .nav-list a.active {
    color: var(--brand-300);
    background: rgba(99, 102, 241, 0.12);
}
.nav-list .badge {
    margin-left: auto;
    font-size: 0.625rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--r-pill);
    background: var(--bg-muted);
    color: var(--text-muted);
}
.nav-list .badge.new { background: var(--color-success); color: white; }
.nav-list .badge.beta { background: var(--color-warning); color: white; }
.nav-list .badge.pro { background: linear-gradient(135deg, var(--brand-500), var(--brand-700)); color: white; }

/* Sub-nav */
.nav-list.sub {
    margin-left: 12px;
    border-left: 1px solid var(--border);
    padding-left: 6px;
}
.nav-list.sub a { font-size: 0.8125rem; padding: 5px 10px; }

/* ---------- 8. Main Content ---------- */
.content {
    padding: var(--space-10) 0 var(--space-20);
    min-width: 0; /* fix grid overflow */
}
.content > * { animation: fadeUp 0.5s var(--ease) backwards; }
.content > *:nth-child(2) { animation-delay: 60ms; }
.content > *:nth-child(3) { animation-delay: 120ms; }
.content > *:nth-child(4) { animation-delay: 180ms; }
.content > *:nth-child(5) { animation-delay: 240ms; }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.breadcrumb {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: var(--space-5);
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--brand-600); }
.breadcrumb .sep { opacity: 0.5; }

.page-header {
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--border);
    margin-bottom: var(--space-8);
}
.page-meta {
    display: flex; flex-wrap: wrap; align-items: center;
    gap: var(--space-3);
    margin-top: var(--space-4);
    font-size: 0.8125rem;
    color: var(--text-muted);
}
.page-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-faint); }

/* ---------- 9. Hero ---------- */
.hero {
    position: relative;
    padding: var(--space-12) var(--space-10);
    background:
        radial-gradient(circle at 20% 0%, rgba(99, 102, 241, 0.12), transparent 50%),
        radial-gradient(circle at 80% 100%, rgba(168, 85, 247, 0.10), transparent 50%),
        linear-gradient(180deg, var(--bg-soft), var(--bg));
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    margin-bottom: var(--space-10);
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    opacity: 0.3;
    pointer-events: none;
}
.hero-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--brand-600);
    background: var(--brand-50);
    padding: 6px 12px;
    border-radius: var(--r-pill);
    border: 1px solid var(--brand-100);
    margin-bottom: var(--space-4);
    position: relative;
}
[data-theme="dark"] .hero-eyebrow {
    background: rgba(99, 102, 241, 0.12);
    border-color: rgba(99, 102, 241, 0.25);
    color: var(--brand-300);
}
.hero h1 {
    background: linear-gradient(180deg, var(--text) 0%, var(--text-soft) 100%);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}
.hero p { font-size: 1.0625rem; max-width: 640px; position: relative; }
.hero-actions {
    display: flex; flex-wrap: wrap; gap: var(--space-3);
    margin-top: var(--space-6);
    position: relative;
}

/* ---------- 10. Cards ---------- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-4);
    margin: var(--space-6) 0 var(--space-8);
}
.card {
    position: relative;
    padding: var(--space-5);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    transition: all var(--t-base) var(--ease);
    overflow: hidden;
}
.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(99, 102, 241, 0.05) 100%);
    opacity: 0;
    transition: opacity var(--t-base) var(--ease);
    pointer-events: none;
}
.card:hover {
    border-color: var(--brand-300);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.card:hover::before { opacity: 1; }
.card-icon {
    width: 40px; height: 40px;
    display: grid; place-items: center;
    border-radius: var(--r-md);
    background: var(--brand-50);
    color: var(--brand-600);
    margin-bottom: var(--space-3);
}
[data-theme="dark"] .card-icon { background: rgba(99, 102, 241, 0.12); color: var(--brand-300); }
.card-icon.green { background: rgba(16, 185, 129, 0.12); color: var(--color-success); }
.card-icon.amber { background: rgba(245, 158, 11, 0.12); color: var(--color-warning); }
.card-icon.pink  { background: rgba(236, 72, 153, 0.12); color: #ec4899; }
.card-icon.cyan  { background: rgba(6, 182, 212, 0.12); color: #06b6d4; }
.card-icon.violet{ background: rgba(168, 85, 247, 0.12); color: #a855f7; }
.card-icon svg { width: 20px; height: 20px; }
.card h3 { font-size: 1rem; margin: 0 0 6px; }
.card p { font-size: 0.875rem; margin: 0; color: var(--text-muted); line-height: 1.55; }
.card-link {
    display: inline-flex; align-items: center; gap: 4px;
    margin-top: var(--space-3);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--brand-600);
}
.card-link svg { width: 12px; height: 12px; transition: transform var(--t-fast) var(--ease); }
.card:hover .card-link svg { transform: translateX(3px); }

/* ---------- 11. Code Blocks ---------- */
.code-block {
    position: relative;
    margin: var(--space-5) 0;
    background: #0f172a;
    border-radius: var(--r-md);
    overflow: hidden;
    border: 1px solid #1e293b;
}
.code-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 8px 12px 8px 16px;
    background: #0a1020;
    border-bottom: 1px solid #1e293b;
}
.code-lang {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 600;
    color: #94a3b8;
    text-transform: lowercase;
    letter-spacing: 0.04em;
}
.code-dots { display: flex; gap: 6px; }
.code-dots span { width: 10px; height: 10px; border-radius: 50%; }
.code-dots span:nth-child(1) { background: #ff5f57; }
.code-dots span:nth-child(2) { background: #ffbd2e; }
.code-dots span:nth-child(3) { background: #28c940; }
.copy-btn {
    display: flex; align-items: center; gap: 6px;
    padding: 4px 10px;
    font-size: 0.6875rem;
    font-weight: 600;
    color: #94a3b8;
    background: rgba(148, 163, 184, 0.08);
    border: 1px solid rgba(148, 163, 184, 0.15);
    border-radius: var(--r-xs);
    transition: all var(--t-fast) var(--ease);
}
.copy-btn:hover { color: white; background: rgba(148, 163, 184, 0.18); }
.copy-btn.copied { color: var(--color-success); border-color: rgba(16, 185, 129, 0.3); }
.copy-btn svg { width: 12px; height: 12px; }
.code-block pre {
    margin: 0;
    padding: 16px 18px;
    overflow-x: auto;
    background: transparent !important;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.7;
    color: #e2e8f0;
}
.code-block pre::-webkit-scrollbar { height: 6px; }
.code-block pre::-webkit-scrollbar-thumb { background: #334155; border: none; }

/* Override Prism theme */
code[class*="language-"], pre[class*="language-"] {
    color: #e2e8f0; background: transparent;
    text-shadow: none; font-family: var(--font-mono);
}
.token.comment, .token.prolog, .token.doctype, .token.cdata { color: #64748b; font-style: italic; }
.token.punctuation { color: #94a3b8; }
.token.property, .token.tag, .token.constant, .token.symbol, .token.deleted { color: #f472b6; }
.token.boolean, .token.number { color: #fbbf24; }
.token.selector, .token.attr-name, .token.string, .token.char, .token.builtin, .token.inserted { color: #86efac; }
.token.operator, .token.entity, .token.url, .language-css .token.string, .style .token.string { color: #67e8f9; }
.token.atrule, .token.attr-value, .token.keyword { color: #c084fc; }
.token.function, .token.class-name { color: #60a5fa; }
.token.regex, .token.important, .token.variable { color: #fcd34d; }

/* ---------- 12. Alerts / Callouts ---------- */
.callout {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    margin: var(--space-5) 0;
    border-radius: var(--r-md);
    border-left: 3px solid;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-left-width: 3px;
}
.callout-icon {
    flex-shrink: 0;
    width: 22px; height: 22px;
    display: grid; place-items: center;
    border-radius: 50%;
    margin-top: 2px;
}
.callout-icon svg { width: 14px; height: 14px; }
.callout-body { flex: 1; min-width: 0; }
.callout-title {
    font-weight: 700;
    font-size: 0.875rem;
    margin-bottom: 2px;
    color: var(--text);
}
.callout-body p { font-size: 0.875rem; margin: 0; color: var(--text-soft); }
.callout-body p + p { margin-top: 6px; }

.callout.info {
    border-left-color: var(--color-info);
    background: rgba(59, 130, 246, 0.05);
}
.callout.info .callout-icon { background: var(--color-info); color: white; }

.callout.success {
    border-left-color: var(--color-success);
    background: rgba(16, 185, 129, 0.05);
}
.callout.success .callout-icon { background: var(--color-success); color: white; }

.callout.warning {
    border-left-color: var(--color-warning);
    background: rgba(245, 158, 11, 0.05);
}
.callout.warning .callout-icon { background: var(--color-warning); color: white; }

.callout.danger {
    border-left-color: var(--color-danger);
    background: rgba(239, 68, 68, 0.05);
}
.callout.danger .callout-icon { background: var(--color-danger); color: white; }

.callout.tip {
    border-left-color: var(--brand-500);
    background: rgba(99, 102, 241, 0.05);
}
.callout.tip .callout-icon { background: var(--brand-500); color: white; }

/* ---------- 13. Tables ---------- */
.table-wrap {
    margin: var(--space-5) 0;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    overflow: hidden;
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}
thead { background: var(--bg-muted); }
th {
    text-align: left;
    padding: 10px 14px;
    font-weight: 600;
    color: var(--text);
    font-size: 0.8125rem;
    border-bottom: 1px solid var(--border);
}
td {
    padding: 12px 14px;
    color: var(--text-soft);
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--bg-soft); }
td code { font-size: 0.8125rem; }

/* ---------- 14. Tabs ---------- */
.tabs {
    margin: var(--space-5) 0;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    overflow: hidden;
    background: var(--bg-elevated);
}
.tab-list {
    display: flex;
    gap: 2px;
    padding: 4px;
    background: var(--bg-muted);
    border-bottom: 1px solid var(--border);
}
.tab-btn {
    padding: 8px 14px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
    border-radius: var(--r-sm);
    transition: all var(--t-fast) var(--ease);
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active {
    color: var(--text);
    background: var(--bg);
    box-shadow: var(--shadow-xs);
}
.tab-panel { padding: var(--space-5); display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.2s var(--ease); }
.tab-panel > *:first-child { margin-top: 0; }
.tab-panel > *:last-child { margin-bottom: 0; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ---------- 15. Accordion ---------- */
.accordion { margin: var(--space-5) 0; }
.accordion-item {
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    background: var(--bg-elevated);
    margin-bottom: var(--space-2);
    overflow: hidden;
    transition: border-color var(--t-fast) var(--ease);
}
.accordion-item.open { border-color: var(--brand-300); }
.accordion-trigger {
    display: flex; justify-content: space-between; align-items: center;
    width: 100%;
    padding: var(--space-4) var(--space-5);
    text-align: left;
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--text);
}
.accordion-trigger:hover { background: var(--bg-soft); }
.accordion-icon {
    width: 24px; height: 24px;
    display: grid; place-items: center;
    color: var(--text-muted);
    border-radius: 50%;
    transition: all var(--t-base) var(--ease);
}
.accordion-icon svg { width: 14px; height: 14px; transition: transform var(--t-base) var(--ease); }
.accordion-item.open .accordion-icon { background: var(--brand-50); color: var(--brand-600); }
.accordion-item.open .accordion-icon svg { transform: rotate(45deg); }
[data-theme="dark"] .accordion-item.open .accordion-icon { background: rgba(99,102,241,0.15); color: var(--brand-300); }
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--t-slow) var(--ease);
}
.accordion-item.open .accordion-content { max-height: 800px; }
.accordion-body {
    padding: 0 var(--space-5) var(--space-5);
    color: var(--text-soft);
    font-size: 0.9375rem;
    line-height: 1.7;
}
.accordion-body > *:first-child { margin-top: 0; }

/* ---------- 16. API Endpoint Block ---------- */
.endpoint {
    margin: var(--space-6) 0;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    overflow: hidden;
}
.endpoint-head {
    display: flex; align-items: center; gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-muted);
    border-bottom: 1px solid var(--border);
}
.method {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: var(--r-xs);
    color: white;
    letter-spacing: 0.04em;
}
.method.get    { background: #10b981; }
.method.post   { background: #3b82f6; }
.method.put    { background: #f59e0b; }
.method.patch  { background: #8b5cf6; }
.method.delete { background: #ef4444; }
.endpoint-path {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text);
    font-weight: 500;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}
.endpoint-auth {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 3px 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--r-pill);
}
.endpoint-body { padding: var(--space-5); background: var(--bg-elevated); }
.endpoint-body p { font-size: 0.875rem; }
.endpoint-section-title {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin: var(--space-4) 0 var(--space-2);
}
.endpoint-body .table-wrap { margin-top: 0; }

/* ---------- 17. Right TOC Sidebar ---------- */
.toc {
    position: sticky;
    top: var(--navbar-h);
    align-self: start;
    height: calc(100vh - var(--navbar-h));
    overflow-y: auto;
    padding: var(--space-10) 0;
}
.toc-title {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: var(--space-3);
    padding-left: 12px;
}
.toc-list { display: flex; flex-direction: column; gap: 1px; border-left: 1px solid var(--border); }
.toc-list a {
    display: block;
    padding: 5px 12px;
    font-size: 0.8125rem;
    color: var(--text-muted);
    border-left: 2px solid transparent;
    margin-left: -1px;
    line-height: 1.5;
    transition: all var(--t-fast) var(--ease);
}
.toc-list a:hover { color: var(--text); }
.toc-list a.active {
    color: var(--brand-600);
    border-left-color: var(--brand-500);
    font-weight: 600;
}
[data-theme="dark"] .toc-list a.active { color: var(--brand-300); }
.toc-list a.h3 { padding-left: 24px; font-size: 0.75rem; }

.toc-extras {
    margin-top: var(--space-6);
    padding: var(--space-4);
    background: var(--bg-muted);
    border-radius: var(--r-md);
    border: 1px solid var(--border);
}
.toc-extras h5 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin: 0 0 var(--space-2);
    font-weight: 700;
}
.toc-extras a {
    display: flex; align-items: center; gap: 6px;
    padding: 4px 0;
    font-size: 0.8125rem;
    color: var(--text-soft);
}
.toc-extras a:hover { color: var(--brand-600); }
.toc-extras svg { width: 12px; height: 12px; opacity: 0.7; }

/* ---------- 18. Pagination / Prev-Next ---------- */
.page-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-top: var(--space-12);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border);
}
.page-nav-link {
    display: flex; flex-direction: column;
    gap: 4px;
    padding: var(--space-4) var(--space-5);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    background: var(--bg-elevated);
    transition: all var(--t-base) var(--ease);
    color: var(--text);
}
.page-nav-link:hover {
    border-color: var(--brand-400);
    background: var(--bg-soft);
    color: var(--text);
    box-shadow: var(--shadow-sm);
}
.page-nav-link .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex; align-items: center; gap: 6px;
    font-weight: 500;
}
.page-nav-link .title { font-weight: 600; font-size: 0.9375rem; color: var(--text); }
.page-nav-link.next { text-align: right; align-items: flex-end; }
.page-nav-link svg { width: 14px; height: 14px; }

/* ---------- 19. Pricing / Feature Grid ---------- */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-4);
    margin: var(--space-6) 0;
}
.pricing-card {
    padding: var(--space-6);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    transition: all var(--t-base) var(--ease);
    position: relative;
}
.pricing-card.featured {
    border-color: var(--brand-400);
    box-shadow: var(--shadow-lg), 0 0 0 1px var(--brand-400);
    background: linear-gradient(180deg, var(--brand-50), var(--bg-elevated) 60%);
}
[data-theme="dark"] .pricing-card.featured {
    background: linear-gradient(180deg, rgba(99,102,241,0.08), var(--bg-elevated) 60%);
}
.pricing-card .badge-top {
    position: absolute;
    top: -10px; right: 16px;
    background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 4px 10px;
    border-radius: var(--r-pill);
}
.pricing-name {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brand-600);
    margin-bottom: var(--space-2);
}
.pricing-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1;
    margin-bottom: var(--space-3);
}
.pricing-price small { font-size: 0.875rem; color: var(--text-muted); font-weight: 500; }
.pricing-features { display: flex; flex-direction: column; gap: 8px; margin: var(--space-4) 0; font-size: 0.875rem; }
.pricing-features li { display: flex; gap: 8px; color: var(--text-soft); }
.pricing-features li::before {
    content: '✓';
    color: var(--color-success);
    font-weight: 700;
}

/* ---------- 20. Timeline (Setup Steps) ---------- */
.timeline {
    position: relative;
    margin: var(--space-6) 0;
    padding-left: var(--space-8);
}
.timeline::before {
    content: '';
    position: absolute;
    left: 15px; top: 8px; bottom: 8px;
    width: 2px;
    background: var(--brand-400);
    border-radius: 1px;
}
.timeline-step {
    position: relative;
    padding-bottom: var(--space-8);
}
.timeline-step:last-child { padding-bottom: 0; }
.timeline-step::before {
    content: counter(step);
    counter-increment: step;
    position: absolute;
    left: calc(var(--space-8) * -1 + 4px);
    top: 0;
    width: 24px; height: 24px;
    border-radius: 50%;
    background: var(--bg);
    border: 2px solid var(--brand-500);
    color: var(--brand-600);
    font-size: 0.75rem;
    font-weight: 700;
    display: grid; place-items: center;
    box-shadow: 0 0 0 4px var(--bg);
}
.timeline { counter-reset: step; }
.timeline-step h4 { margin: 0 0 var(--space-2); font-size: 1.0625rem; }
.timeline-step p { font-size: 0.9375rem; margin-bottom: var(--space-3); }

/* ---------- 21. Screenshots / Slider ---------- */
.screenshot {
    position: relative;
    margin: var(--space-5) 0;
    border-radius: var(--r-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-muted);
    box-shadow: var(--shadow-md);
}
.screenshot img {
    display: block;
    width: 100%;
    height: auto;
}
.screenshot-frame {
    aspect-ratio: 16 / 9;
    background:
        linear-gradient(135deg, rgba(99,102,241,0.08), rgba(168,85,247,0.05));
    display: grid; place-items: center;
    color: var(--text-muted);
    position: relative;
}
.screenshot-frame::before {
    content: '';
    position: absolute;
    inset: 12px;
    border: 2px dashed var(--border-strong);
    border-radius: var(--r-md);
    pointer-events: none;
}
.screenshot-frame .ph-text {
    text-align: center;
    font-size: 0.875rem;
    z-index: 1;
}
.screenshot-frame .ph-text strong { display: block; color: var(--text); font-size: 1rem; margin-bottom: 4px; }

.slider {
    position: relative;
    margin: var(--space-6) 0;
}
.slider-track {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: var(--space-4);
    padding-bottom: var(--space-3);
    scrollbar-width: thin;
}
.slider-slide {
    flex: 0 0 calc(60% - 8px);
    min-width: 280px;
    scroll-snap-align: start;
}
.slider-slide .screenshot { margin: 0; }
.slider-controls {
    display: flex; justify-content: space-between; align-items: center;
    margin-top: var(--space-3);
}
.slider-dots { display: flex; gap: 6px; }
.slider-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--border-strong);
    transition: all var(--t-fast) var(--ease);
}
.slider-dot.active { background: var(--brand-500); width: 18px; border-radius: var(--r-pill); }
.slider-arrows { display: flex; gap: 6px; }
.slider-arrow {
    width: 32px; height: 32px;
    display: grid; place-items: center;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    color: var(--text-soft);
    transition: all var(--t-fast) var(--ease);
}
.slider-arrow:hover { border-color: var(--brand-400); color: var(--brand-600); }
.slider-arrow svg { width: 14px; height: 14px; }

/* ---------- 22. Changelog ---------- */
.changelog { margin: var(--space-6) 0; }
.changelog-entry {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--space-6);
    padding: var(--space-5) 0;
    border-bottom: 1px solid var(--border);
}
.changelog-entry:last-child { border-bottom: none; }
.changelog-meta { font-size: 0.8125rem; color: var(--text-muted); }
.changelog-version {
    display: inline-flex; align-items: center; gap: 6px;
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--brand-600);
    margin-bottom: 4px;
}
.changelog-version::before { content: '●'; color: var(--color-success); font-size: 0.75rem; }
.changelog-title { font-size: 1rem; font-weight: 700; margin-bottom: 6px; color: var(--text); }
.changelog-list { font-size: 0.875rem; color: var(--text-soft); }
.changelog-list li {
    padding: 3px 0 3px 18px;
    position: relative;
}
.changelog-list li::before {
    content: '';
    position: absolute;
    left: 4px; top: 11px;
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--brand-400);
}
.tag {
    display: inline-block;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 2px 6px;
    border-radius: var(--r-xs);
    margin-right: 6px;
}
.tag.new   { background: rgba(16,185,129,0.12); color: var(--color-success); }
.tag.fix   { background: rgba(59,130,246,0.12); color: var(--color-info); }
.tag.improved { background: rgba(168,85,247,0.12); color: #a855f7; }
.tag.breaking { background: rgba(239,68,68,0.12); color: var(--color-danger); }

/* ---------- 23. Feature Badge ---------- */
.feature-badge {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: var(--r-pill);
    background: var(--bg-muted);
    color: var(--text-soft);
}
.feature-badge.new { background: rgba(16,185,129,0.12); color: var(--color-success); }
.feature-badge.beta { background: rgba(245,158,11,0.12); color: var(--color-warning); }
.feature-badge.pro { background: linear-gradient(135deg, var(--brand-500), var(--brand-700)); color: white; }

/* ---------- 24. Footer ---------- */
.footer {
    margin-top: var(--space-20);
    padding: var(--space-12) 0 var(--space-8);
    border-top: 1px solid var(--border);
    background: var(--bg-soft);
}
.footer-inner {
    max-width: var(--container-max);
    margin-inline: auto;
    padding: 0 var(--space-6);
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-8);
}
.footer-brand .brand { margin-bottom: var(--space-3); }
.footer-brand p { font-size: 0.875rem; color: var(--text-muted); max-width: 320px; }
.footer-social { display: flex; gap: 8px; margin-top: var(--space-4); }
.footer-social a {
    width: 34px; height: 34px;
    display: grid; place-items: center;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    color: var(--text-muted);
    transition: all var(--t-fast) var(--ease);
}
.footer-social a:hover { color: var(--brand-600); border-color: var(--brand-300); transform: translateY(-2px); }
.footer-social svg { width: 16px; height: 16px; }
.footer-col h5 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text);
    margin-bottom: var(--space-3);
    font-weight: 700;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col a { font-size: 0.875rem; color: var(--text-muted); }
.footer-col a:hover { color: var(--brand-600); }
.footer-bottom {
    max-width: var(--container-max);
    margin-inline: auto;
    margin-top: var(--space-8);
    padding: var(--space-5) var(--space-6) 0;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
    font-size: 0.8125rem;
    color: var(--text-muted);
}
.footer-bottom a { color: var(--text-primary); font-weight: 600; }
.footer-bottom a:hover { color: var(--brand-600); text-decoration: underline; }

/* ---------- 25. Command Palette (Search Modal) ---------- */
.cmdk-backdrop {
    position: fixed; inset: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(6px);
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--t-base) var(--ease);
}
.cmdk-backdrop.open { opacity: 1; pointer-events: auto; }
.cmdk {
    position: fixed;
    top: 12vh; left: 50%;
    transform: translateX(-50%) scale(0.96);
    width: min(92vw, 600px);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-xl);
    z-index: 201;
    opacity: 0;
    pointer-events: none;
    transition: all var(--t-base) var(--ease);
    overflow: hidden;
}
.cmdk-backdrop.open + .cmdk,
.cmdk.open {
    opacity: 1;
    transform: translateX(-50%) scale(1);
    pointer-events: auto;
}
.cmdk-input-wrap {
    display: flex; align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
}
.cmdk-input-wrap svg { width: 18px; height: 18px; color: var(--text-muted); flex-shrink: 0; }
.cmdk-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    font-size: 0.9375rem;
    color: var(--text);
}
.cmdk-input::placeholder { color: var(--text-faint); }
.cmdk-close {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-muted);
    padding: 4px 8px;
    border-radius: var(--r-xs);
    border: 1px solid var(--border);
}
.cmdk-results {
    max-height: 50vh;
    overflow-y: auto;
    padding: 6px;
}
.cmdk-group-title {
    padding: 8px 10px 4px;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}
.cmdk-result {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 10px;
    border-radius: var(--r-sm);
    color: var(--text-soft);
    font-size: 0.875rem;
    cursor: pointer;
}
.cmdk-result:hover, .cmdk-result.active {
    background: var(--bg-muted);
    color: var(--text);
}
.cmdk-result-icon {
    width: 28px; height: 28px;
    display: grid; place-items: center;
    background: var(--bg-muted);
    border-radius: var(--r-sm);
    color: var(--text-muted);
}
.cmdk-result.active .cmdk-result-icon,
.cmdk-result:hover .cmdk-result-icon { background: var(--brand-50); color: var(--brand-600); }
[data-theme="dark"] .cmdk-result.active .cmdk-result-icon,
[data-theme="dark"] .cmdk-result:hover .cmdk-result-icon { background: rgba(99,102,241,0.15); color: var(--brand-300); }
.cmdk-result-icon svg { width: 14px; height: 14px; }
.cmdk-result-meta { flex: 1; }
.cmdk-result-meta strong { display: block; color: var(--text); font-weight: 600; font-size: 0.875rem; }
.cmdk-result-meta span { font-size: 0.75rem; color: var(--text-muted); }
.cmdk-empty {
    padding: var(--space-8) var(--space-4);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}
.cmdk-foot {
    display: flex; gap: var(--space-4);
    padding: 10px 18px;
    border-top: 1px solid var(--border);
    font-size: 0.6875rem;
    color: var(--text-muted);
    background: var(--bg-soft);
}
.cmdk-foot kbd {
    font-family: var(--font-sans);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--r-xs);
    padding: 2px 5px;
    margin-right: 4px;
}

/* ---------- 26. Theme Toggle Switch ---------- */
.theme-toggle .moon { display: none; }
[data-theme="dark"] .theme-toggle .sun { display: none; }
[data-theme="dark"] .theme-toggle .moon { display: block; }

/* ---------- 27. Reveal On Scroll ---------- */
.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- 28. Responsive ---------- */
@media (max-width: 1200px) {
    .docs-layout { grid-template-columns: var(--sidebar-w) 1fr; }
    .toc { display: none; }
    .footer-inner { grid-template-columns: 1fr 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
    :root { --sidebar-w: 260px; }
    .navbar-inner { grid-template-columns: auto 1fr auto; padding: 0 var(--space-4); gap: var(--space-3); }
    .navbar-search { max-width: none; }
    .mobile-toggle {
        display: grid; place-items: center;
        width: 38px; height: 38px;
        margin-right: 4px;
        border-radius: var(--r-md);
        color: var(--text-soft);
    }
    .mobile-toggle:hover { background: var(--bg-muted); }
    .brand { display: none; }
    .docs-layout {
        display: block;
        padding: 0 var(--space-4);
    }
    .sidebar {
        position: fixed;
        top: var(--navbar-h); left: 0; bottom: 0;
        width: 86vw; max-width: 320px;
        height: calc(100vh - var(--navbar-h));
        overflow-y: auto;
        background: var(--bg);
        border-right: 1px solid var(--border);
        padding: var(--space-5);
        z-index: 90;
        transform: translateX(-100%);
        transition: transform var(--t-base) var(--ease);
    }
    .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-xl); }
    .sidebar-backdrop {
        position: fixed; inset: var(--navbar-h) 0 0 0;
        background: rgba(15,23,42,0.4);
        z-index: 80;
        opacity: 0; pointer-events: none;
        transition: opacity var(--t-base) var(--ease);
    }
    .sidebar-backdrop.open { opacity: 1; pointer-events: auto; }
    .content { padding: var(--space-6) 0 var(--space-12); }
    .hero { padding: var(--space-8) var(--space-5); }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .changelog-entry { grid-template-columns: 1fr; gap: var(--space-2); }
}

@media (max-width: 560px) {
    .version-switch, .footer-inner { display: none; }
    .footer-inner { display: grid; grid-template-columns: 1fr; }
    .navbar-search .search-trigger .search-text { display: none; }
    .navbar-search .search-trigger kbd { display: none; }
    .page-nav { grid-template-columns: 1fr; }
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.375rem; }
    .hero-eyebrow { font-size: 0.625rem; }
    .timeline { padding-left: var(--space-6); }
    .timeline-step::before { left: -22px; }
    .endpoint-head { flex-wrap: wrap; }
}

/* Print */
@media print {
    .navbar, .sidebar, .toc, .footer, .page-nav { display: none; }
    .docs-layout { display: block; padding: 0; }
    .content { padding: 0; }
}

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


/* ============================================================
   COMPONENT LIBRARY ADDITIONS
   ============================================================ */

/* ---------- 29. Buttons (variants & sizes) ---------- */
.btn-sm { height: 30px; padding: 0 12px; font-size: 0.75rem; border-radius: var(--r-sm); }
.btn-lg { height: 46px; padding: 0 22px; font-size: 0.9375rem; border-radius: var(--r-lg); }
.btn-success {
    background: linear-gradient(180deg, #10b981, #059669);
    color: white;
    box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn-success:hover { color: white; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-danger {
    background: linear-gradient(180deg, #ef4444, #dc2626);
    color: white;
    box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn-danger:hover { color: white; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-soft {
    background: var(--brand-50);
    color: var(--brand-700);
    border: 1px solid var(--brand-100);
}
.btn-soft:hover { background: var(--brand-100); color: var(--brand-700); }
[data-theme="dark"] .btn-soft { background: rgba(99,102,241,0.12); color: var(--brand-300); border-color: rgba(99,102,241,0.25); }
[data-theme="dark"] .btn-soft:hover { background: rgba(99,102,241,0.2); color: var(--brand-200); }

.btn[disabled], .btn:disabled { opacity: 0.5; pointer-events: none; }

/* Button group */
.btn-group { display: inline-flex; }
.btn-group .btn {
    border-radius: 0;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text-soft);
}
.btn-group .btn:first-child { border-top-left-radius: var(--r-md); border-bottom-left-radius: var(--r-md); }
.btn-group .btn:last-child  { border-top-right-radius: var(--r-md); border-bottom-right-radius: var(--r-md); }
.btn-group .btn + .btn { border-left: none; }
.btn-group .btn:hover { background: var(--bg-muted); color: var(--text); }
.btn-group .btn.active { background: var(--bg-muted); color: var(--brand-600); font-weight: 600; }

/* ---------- 30. Form Controls ---------- */
.form-row { margin-bottom: var(--space-4); }
.form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}
.form-help {
    margin-top: 6px;
    font-size: 0.75rem;
    color: var(--text-muted);
}
.form-error {
    margin-top: 6px;
    font-size: 0.75rem;
    color: var(--color-danger);
    display: flex; align-items: center; gap: 4px;
}

.input, .textarea, .select {
    width: 100%;
    height: 40px;
    padding: 0 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    font-size: 0.875rem;
    color: var(--text);
    outline: none;
    transition: all var(--t-fast) var(--ease);
}
.input::placeholder, .textarea::placeholder { color: var(--text-faint); }
.input:hover, .textarea:hover, .select:hover { border-color: var(--border-strong); }
.input:focus, .textarea:focus, .select:focus {
    border-color: var(--brand-400);
    box-shadow: var(--shadow-glow);
}
.input.is-invalid, .textarea.is-invalid, .select.is-invalid {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.12);
}
.textarea { height: auto; min-height: 96px; padding: 10px 14px; resize: vertical; line-height: 1.55; font-family: var(--font-sans); }
.select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.input-group { position: relative; display: flex; align-items: center; }
.input-group .input { padding-left: 38px; }
.input-group-icon {
    position: absolute;
    left: 12px;
    width: 16px; height: 16px;
    color: var(--text-faint);
    pointer-events: none;
}

/* Checkbox & Radio */
.check, .radio {
    display: inline-flex; align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-soft);
    user-select: none;
}
.check input, .radio input {
    appearance: none; -webkit-appearance: none;
    width: 18px; height: 18px;
    border: 1.5px solid var(--border-strong);
    background: var(--bg);
    cursor: pointer;
    transition: all var(--t-fast) var(--ease);
    flex-shrink: 0;
    position: relative;
    margin: 0;
}
.check input { border-radius: 5px; }
.radio input { border-radius: 50%; }
.check input:hover, .radio input:hover { border-color: var(--brand-400); }
.check input:checked, .radio input:checked {
    background: var(--brand-600);
    border-color: var(--brand-600);
}
.check input:checked::after {
    content: '';
    position: absolute;
    inset: 2px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-size: 12px;
    background-repeat: no-repeat;
    background-position: center;
}
.radio input:checked::after {
    content: '';
    position: absolute;
    inset: 4px;
    background: white;
    border-radius: 50%;
}

/* ---------- 31. Toggle Switch ---------- */
.switch {
    display: inline-flex; align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-soft);
    user-select: none;
}
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch-track {
    width: 38px; height: 22px;
    background: var(--border-strong);
    border-radius: var(--r-pill);
    position: relative;
    transition: background-color var(--t-base) var(--ease);
    flex-shrink: 0;
}
.switch-track::before {
    content: '';
    position: absolute;
    top: 2px; left: 2px;
    width: 18px; height: 18px;
    background: white;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
    transition: transform var(--t-base) var(--ease);
}
.switch input:checked + .switch-track {
    background: var(--brand-600);
}
.switch input:checked + .switch-track::before {
    transform: translateX(16px);
}
.switch input:focus-visible + .switch-track {
    box-shadow: var(--shadow-glow);
}

/* ---------- 32. Avatars ---------- */
.avatar {
    display: inline-grid; place-items: center;
    width: 36px; height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-400), var(--brand-700));
    color: white;
    font-weight: 700;
    font-size: 0.8125rem;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: inset 0 0 0 2px var(--bg);
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar-xs { width: 24px; height: 24px; font-size: 0.625rem; }
.avatar-sm { width: 30px; height: 30px; font-size: 0.6875rem; }
.avatar-lg { width: 48px; height: 48px; font-size: 1rem; }
.avatar-xl { width: 64px; height: 64px; font-size: 1.25rem; }
.avatar.bg-amber  { background: linear-gradient(135deg, #fbbf24, #d97706); }
.avatar.bg-emerald{ background: linear-gradient(135deg, #34d399, #059669); }
.avatar.bg-pink   { background: linear-gradient(135deg, #f472b6, #be185d); }
.avatar.bg-cyan   { background: linear-gradient(135deg, #22d3ee, #0e7490); }
.avatar.bg-violet { background: linear-gradient(135deg, #a78bfa, #6d28d9); }
.avatar-status {
    position: relative;
}
.avatar-status::after {
    content: '';
    position: absolute;
    bottom: 0; right: 0;
    width: 30%; height: 30%;
    border-radius: 50%;
    background: var(--color-success);
    border: 2px solid var(--bg);
}
.avatar-status.away::after  { background: var(--color-warning); }
.avatar-status.busy::after  { background: var(--color-danger); }
.avatar-status.offline::after { background: var(--text-faint); }

.avatar-group { display: inline-flex; }
.avatar-group .avatar { box-shadow: 0 0 0 2px var(--bg); }
.avatar-group .avatar + .avatar { margin-left: -10px; }
.avatar-group .avatar.more {
    background: var(--bg-muted);
    color: var(--text-soft);
    border: 1px dashed var(--border-strong);
    box-shadow: 0 0 0 2px var(--bg);
}

/* ---------- 33. Progress ---------- */
.progress {
    width: 100%;
    height: 8px;
    background: var(--bg-muted);
    border-radius: var(--r-pill);
    overflow: hidden;
}
.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--brand-500), var(--brand-700));
    border-radius: inherit;
    transition: width var(--t-slow) var(--ease);
}
.progress.success .progress-bar { background: linear-gradient(90deg, #34d399, #059669); }
.progress.warning .progress-bar { background: linear-gradient(90deg, #fbbf24, #d97706); }
.progress.danger  .progress-bar { background: linear-gradient(90deg, #f87171, #dc2626); }
.progress.striped .progress-bar {
    background-image: linear-gradient(45deg,
        rgba(255,255,255,0.18) 25%, transparent 25%,
        transparent 50%, rgba(255,255,255,0.18) 50%,
        rgba(255,255,255,0.18) 75%, transparent 75%);
    background-size: 16px 16px;
    animation: progress-stripe 1.2s linear infinite;
}
@keyframes progress-stripe {
    from { background-position: 0 0; }
    to { background-position: 16px 0; }
}

.progress-ring {
    width: 64px; height: 64px;
    transform: rotate(-90deg);
}
.progress-ring circle {
    fill: none;
    stroke-width: 6;
    stroke-linecap: round;
}
.progress-ring .ring-track  { stroke: var(--bg-muted); }
.progress-ring .ring-fill   { stroke: var(--brand-500); transition: stroke-dashoffset var(--t-slow) var(--ease); }
.progress-ring-wrap {
    position: relative;
    display: inline-grid; place-items: center;
}
.progress-ring-label {
    position: absolute;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text);
}

/* ---------- 34. Stat / KPI Cards ---------- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin: var(--space-5) 0;
}
.stat-card {
    padding: var(--space-5);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    transition: all var(--t-base) var(--ease);
}
.stat-card:hover { border-color: var(--brand-300); box-shadow: var(--shadow-sm); }
.stat-label {
    display: flex; align-items: center; gap: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}
.stat-label svg { width: 14px; height: 14px; }
.stat-value {
    margin: 8px 0 4px;
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
    line-height: 1;
}
.stat-delta {
    display: inline-flex; align-items: center; gap: 3px;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--r-pill);
}
.stat-delta.up   { color: var(--color-success); background: rgba(16,185,129,0.10); }
.stat-delta.down { color: var(--color-danger);  background: rgba(239,68,68,0.10); }
.stat-delta svg { width: 11px; height: 11px; }
.stat-trend {
    margin-top: var(--space-3);
    display: flex; align-items: flex-end; gap: 3px;
    height: 32px;
}
.stat-trend span {
    flex: 1;
    background: var(--brand-200);
    border-radius: 2px;
    transition: background-color var(--t-fast) var(--ease);
}
[data-theme="dark"] .stat-trend span { background: rgba(99,102,241,0.4); }
.stat-card:hover .stat-trend span { background: var(--brand-500); }

/* ---------- 35. Empty State ---------- */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-6);
    border: 2px dashed var(--border);
    border-radius: var(--r-lg);
    background: var(--bg-soft);
}
.empty-state-icon {
    width: 64px; height: 64px;
    display: grid; place-items: center;
    margin: 0 auto var(--space-4);
    border-radius: var(--r-lg);
    background: var(--bg-elevated);
    color: var(--brand-500);
    box-shadow: var(--shadow-sm);
}
.empty-state-icon svg { width: 28px; height: 28px; }
.empty-state h4 { margin: 0 0 var(--space-2); }
.empty-state p { margin: 0 auto var(--space-4); max-width: 420px; color: var(--text-muted); font-size: 0.9375rem; }

/* ---------- 36. Skeleton Loader ---------- */
.skeleton {
    display: block;
    background: linear-gradient(90deg,
        var(--bg-muted) 0%,
        var(--border) 50%,
        var(--bg-muted) 100%);
    background-size: 200% 100%;
    border-radius: var(--r-sm);
    animation: skeleton-shimmer 1.6s linear infinite;
    height: 14px;
    width: 100%;
}
.skeleton.text { height: 12px; margin-bottom: 8px; }
.skeleton.title { height: 18px; width: 50%; margin-bottom: 12px; }
.skeleton.avatar { width: 40px; height: 40px; border-radius: 50%; }
.skeleton.thumb { width: 100%; height: 140px; border-radius: var(--r-md); }
.skeleton.btn { height: 36px; width: 120px; border-radius: var(--r-md); }
@keyframes skeleton-shimmer {
    from { background-position: 200% 0; }
    to   { background-position: -200% 0; }
}

/* ---------- 37. Tooltip (CSS only) ---------- */
.has-tip { position: relative; }
.has-tip::before, .has-tip::after {
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
    z-index: 30;
}
.has-tip::before {
    content: attr(data-tip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: var(--slate-900);
    color: white;
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 5px 9px;
    border-radius: var(--r-sm);
    white-space: nowrap;
    box-shadow: var(--shadow-md);
}
.has-tip::after {
    content: '';
    position: absolute;
    bottom: calc(100% + 3px);
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: var(--slate-900);
}
.has-tip:hover::before, .has-tip:focus-visible::before {
    opacity: 1; transform: translateX(-50%) translateY(0);
}
.has-tip:hover::after, .has-tip:focus-visible::after { opacity: 1; }
[data-theme="dark"] .has-tip::before { background: #2a3458; }
[data-theme="dark"] .has-tip::after { border-top-color: #2a3458; }

/* ---------- 38. Modal / Dialog ---------- */
.modal-backdrop {
    position: fixed; inset: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(4px);
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--t-base) var(--ease);
}
.modal-backdrop.open { opacity: 1; pointer-events: auto; }
.modal {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -48%) scale(0.96);
    width: min(92vw, 480px);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-xl);
    z-index: 201;
    opacity: 0;
    pointer-events: none;
    transition: all var(--t-base) var(--ease);
    overflow: hidden;
}
.modal.open {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    pointer-events: auto;
}
.modal-header {
    display: flex; justify-content: space-between; align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-5) var(--space-5) var(--space-3);
}
.modal-title { font-size: 1.125rem; font-weight: 700; color: var(--text); margin: 0; }
.modal-subtitle { font-size: 0.8125rem; color: var(--text-muted); margin-top: 2px; }
.modal-close {
    width: 30px; height: 30px;
    display: grid; place-items: center;
    color: var(--text-muted);
    border-radius: var(--r-sm);
    transition: all var(--t-fast) var(--ease);
}
.modal-close:hover { background: var(--bg-muted); color: var(--text); }
.modal-close svg { width: 16px; height: 16px; }
.modal-body {
    padding: 0 var(--space-5) var(--space-5);
    color: var(--text-soft);
    font-size: 0.9375rem;
    line-height: 1.6;
}
.modal-footer {
    display: flex; justify-content: flex-end;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: var(--bg-soft);
    border-top: 1px solid var(--border);
}

/* ---------- 39. Toast Notifications ---------- */
.toast-region {
    position: fixed;
    bottom: var(--space-4); right: var(--space-4);
    display: flex; flex-direction: column;
    gap: var(--space-2);
    z-index: 250;
    max-width: calc(100vw - 32px);
    width: 360px;
}
.toast {
    display: flex; gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    box-shadow: var(--shadow-lg);
    animation: toast-in 0.3s var(--ease);
    border-left: 3px solid var(--brand-500);
}
.toast.success { border-left-color: var(--color-success); }
.toast.warning { border-left-color: var(--color-warning); }
.toast.danger  { border-left-color: var(--color-danger); }
.toast.info    { border-left-color: var(--color-info); }
.toast.leaving { animation: toast-out 0.25s var(--ease) forwards; }
.toast-icon {
    width: 22px; height: 22px;
    display: grid; place-items: center;
    border-radius: 50%;
    color: white;
    flex-shrink: 0;
    margin-top: 2px;
    background: var(--brand-500);
}
.toast.success .toast-icon { background: var(--color-success); }
.toast.warning .toast-icon { background: var(--color-warning); }
.toast.danger  .toast-icon { background: var(--color-danger); }
.toast.info    .toast-icon { background: var(--color-info); }
.toast-icon svg { width: 13px; height: 13px; }
.toast-body { flex: 1; min-width: 0; }
.toast-title { font-weight: 700; font-size: 0.875rem; color: var(--text); }
.toast-msg   { font-size: 0.8125rem; color: var(--text-muted); margin-top: 2px; }
.toast-close {
    color: var(--text-faint);
    padding: 2px;
    align-self: flex-start;
    flex-shrink: 0;
}
.toast-close:hover { color: var(--text); }
.toast-close svg { width: 14px; height: 14px; }
@keyframes toast-in  { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toast-out { to   { opacity: 0; transform: translateX(20px); } }

/* ---------- 40. Chips / Tag Pills ---------- */
.chip {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 10px;
    border-radius: var(--r-pill);
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--bg-muted);
    color: var(--text-soft);
    border: 1px solid var(--border);
}
.chip-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--brand-500);
}
.chip.success { background: rgba(16,185,129,0.10); color: var(--color-success); border-color: rgba(16,185,129,0.25); }
.chip.warning { background: rgba(245,158,11,0.10); color: var(--color-warning); border-color: rgba(245,158,11,0.25); }
.chip.danger  { background: rgba(239,68,68,0.10);  color: var(--color-danger);  border-color: rgba(239,68,68,0.25); }
.chip.brand   { background: rgba(99,102,241,0.10); color: var(--brand-600);     border-color: rgba(99,102,241,0.25); }
.chip-x {
    margin-left: 2px;
    width: 14px; height: 14px;
    display: grid; place-items: center;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0.6;
}
.chip-x:hover { opacity: 1; background: rgba(0,0,0,0.08); }
.chip-x svg { width: 9px; height: 9px; }

/* ---------- 41. Number Pagination ---------- */
.pager {
    display: flex; align-items: center; gap: 4px;
    margin: var(--space-5) 0;
}
.pager .pager-item {
    min-width: 32px; height: 32px;
    padding: 0 10px;
    display: inline-grid; place-items: center;
    border-radius: var(--r-sm);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-soft);
    border: 1px solid var(--border);
    background: var(--bg);
    transition: all var(--t-fast) var(--ease);
}
.pager .pager-item:hover { border-color: var(--border-strong); background: var(--bg-muted); color: var(--text); }
.pager .pager-item.active {
    background: var(--brand-600);
    border-color: var(--brand-600);
    color: white;
}
.pager .pager-item.disabled { opacity: 0.4; pointer-events: none; }
.pager .pager-ellipsis { color: var(--text-faint); padding: 0 4px; }

/* ---------- 42. Component Showcase Layout ---------- */
.kit-section {
    margin: var(--space-10) 0;
    padding-top: var(--space-2);
    scroll-margin-top: calc(var(--navbar-h) + 24px);
}
.kit-section:first-of-type { margin-top: var(--space-6); }

.kit-preview {
    padding: var(--space-6);
    border: 1px solid var(--border);
    border-radius: var(--r-lg) var(--r-lg) 0 0;
    background:
        linear-gradient(45deg, var(--bg-soft) 25%, transparent 25%) -10px 0,
        linear-gradient(-45deg, var(--bg-soft) 25%, transparent 25%) -10px 0,
        linear-gradient(45deg, transparent 75%, var(--bg-soft) 75%),
        linear-gradient(-45deg, transparent 75%, var(--bg-soft) 75%);
    background-size: 20px 20px;
    background-color: var(--bg);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: flex-start;
}
.kit-preview.center { align-items: center; justify-content: center; min-height: 120px; }
.kit-preview.row { flex-direction: row; flex-wrap: wrap; align-items: center; }
.kit-preview > .full-width { width: 100%; }

.kit-preview + .code-block { margin-top: 0; border-radius: 0 0 var(--r-lg) var(--r-lg); border-top: none; }

.kit-toolbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 8px 16px;
    background: var(--bg-muted);
    border: 1px solid var(--border);
    border-bottom: none;
    border-radius: var(--r-lg) var(--r-lg) 0 0;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
}
.kit-toolbar + .kit-preview { border-radius: 0; border-top: none; }

.kit-grid-quicknav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 8px;
    margin: var(--space-5) 0 var(--space-8);
}
.kit-grid-quicknav a {
    padding: 10px 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-soft);
    transition: all var(--t-fast) var(--ease);
    text-align: center;
}
.kit-grid-quicknav a:hover {
    color: var(--brand-600);
    border-color: var(--brand-300);
    background: var(--brand-50);
    transform: translateY(-1px);
}
[data-theme="dark"] .kit-grid-quicknav a:hover { background: rgba(99,102,241,0.12); }

/* swatch grid for color tokens */
.swatch-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 8px;
    margin: var(--space-4) 0;
}
.swatch {
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    overflow: hidden;
    background: var(--bg-elevated);
}
.swatch-color { height: 56px; }
.swatch-meta {
    padding: 8px 10px;
    font-size: 0.6875rem;
    font-family: var(--font-mono);
}
.swatch-meta strong { display: block; color: var(--text); font-weight: 700; font-size: 0.75rem; font-family: var(--font-sans); margin-bottom: 2px; }
.swatch-meta span { color: var(--text-muted); }

/* type sample */
.type-row {
    display: flex; align-items: baseline; justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border);
}
.type-row:last-child { border-bottom: none; }
.type-row .type-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

/* video / iframe embed — responsive 16:9 wrapper for YouTube, Vimeo, Loom, maps, etc. */
.video-embed {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: var(--r-md);
    overflow: hidden;
    background: var(--bg-muted);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}
.video-embed iframe,
.video-embed video,
.video-embed embed,
.video-embed object {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}
.video-embed.ratio-4-3  { aspect-ratio: 4 / 3; }
.video-embed.ratio-1-1  { aspect-ratio: 1 / 1; }
.video-embed.ratio-21-9 { aspect-ratio: 21 / 9; }
.video-embed.ratio-9-16 { aspect-ratio: 9 / 16; max-width: 360px; }

.embed-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-3);
    width: 100%;
}

/* ============================================================
   Flexbox 12-column Grid  (.row / .col-*)
   ============================================================ */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: -8px;
    margin-right: -8px;
}
.row + .row { margin-top: 8px; }
.row > * { padding-left: 8px; padding-right: 8px; box-sizing: border-box; min-width: 0; }

.col      { flex: 1 0 0%; }
.col-auto { flex: 0 0 auto; width: auto; }
.col-1    { flex: 0 0 auto; width: 8.333333%; }
.col-2    { flex: 0 0 auto; width: 16.666667%; }
.col-3    { flex: 0 0 auto; width: 25%; }
.col-4    { flex: 0 0 auto; width: 33.333333%; }
.col-5    { flex: 0 0 auto; width: 41.666667%; }
.col-6    { flex: 0 0 auto; width: 50%; }
.col-7    { flex: 0 0 auto; width: 58.333333%; }
.col-8    { flex: 0 0 auto; width: 66.666667%; }
.col-9    { flex: 0 0 auto; width: 75%; }
.col-10   { flex: 0 0 auto; width: 83.333333%; }
.col-11   { flex: 0 0 auto; width: 91.666667%; }
.col-12   { flex: 0 0 auto; width: 100%; }

/* sm ≥576px */
@media (min-width: 576px) {
    .col-sm      { flex: 1 0 0%; }
    .col-sm-auto { flex: 0 0 auto; width: auto; }
    .col-sm-1    { flex: 0 0 auto; width: 8.333333%; }
    .col-sm-2    { flex: 0 0 auto; width: 16.666667%; }
    .col-sm-3    { flex: 0 0 auto; width: 25%; }
    .col-sm-4    { flex: 0 0 auto; width: 33.333333%; }
    .col-sm-5    { flex: 0 0 auto; width: 41.666667%; }
    .col-sm-6    { flex: 0 0 auto; width: 50%; }
    .col-sm-7    { flex: 0 0 auto; width: 58.333333%; }
    .col-sm-8    { flex: 0 0 auto; width: 66.666667%; }
    .col-sm-9    { flex: 0 0 auto; width: 75%; }
    .col-sm-10   { flex: 0 0 auto; width: 83.333333%; }
    .col-sm-11   { flex: 0 0 auto; width: 91.666667%; }
    .col-sm-12   { flex: 0 0 auto; width: 100%; }
}

/* md ≥768px */
@media (min-width: 768px) {
    .col-md      { flex: 1 0 0%; }
    .col-md-auto { flex: 0 0 auto; width: auto; }
    .col-md-1    { flex: 0 0 auto; width: 8.333333%; }
    .col-md-2    { flex: 0 0 auto; width: 16.666667%; }
    .col-md-3    { flex: 0 0 auto; width: 25%; }
    .col-md-4    { flex: 0 0 auto; width: 33.333333%; }
    .col-md-5    { flex: 0 0 auto; width: 41.666667%; }
    .col-md-6    { flex: 0 0 auto; width: 50%; }
    .col-md-7    { flex: 0 0 auto; width: 58.333333%; }
    .col-md-8    { flex: 0 0 auto; width: 66.666667%; }
    .col-md-9    { flex: 0 0 auto; width: 75%; }
    .col-md-10   { flex: 0 0 auto; width: 83.333333%; }
    .col-md-11   { flex: 0 0 auto; width: 91.666667%; }
    .col-md-12   { flex: 0 0 auto; width: 100%; }
}

/* lg ≥1024px */
@media (min-width: 1024px) {
    .col-lg      { flex: 1 0 0%; }
    .col-lg-auto { flex: 0 0 auto; width: auto; }
    .col-lg-1    { flex: 0 0 auto; width: 8.333333%; }
    .col-lg-2    { flex: 0 0 auto; width: 16.666667%; }
    .col-lg-3    { flex: 0 0 auto; width: 25%; }
    .col-lg-4    { flex: 0 0 auto; width: 33.333333%; }
    .col-lg-5    { flex: 0 0 auto; width: 41.666667%; }
    .col-lg-6    { flex: 0 0 auto; width: 50%; }
    .col-lg-7    { flex: 0 0 auto; width: 58.333333%; }
    .col-lg-8    { flex: 0 0 auto; width: 66.666667%; }
    .col-lg-9    { flex: 0 0 auto; width: 75%; }
    .col-lg-10   { flex: 0 0 auto; width: 83.333333%; }
    .col-lg-11   { flex: 0 0 auto; width: 91.666667%; }
    .col-lg-12   { flex: 0 0 auto; width: 100%; }
}

/* xl ≥1280px */
@media (min-width: 1280px) {
    .col-xl      { flex: 1 0 0%; }
    .col-xl-auto { flex: 0 0 auto; width: auto; }
    .col-xl-1    { flex: 0 0 auto; width: 8.333333%; }
    .col-xl-2    { flex: 0 0 auto; width: 16.666667%; }
    .col-xl-3    { flex: 0 0 auto; width: 25%; }
    .col-xl-4    { flex: 0 0 auto; width: 33.333333%; }
    .col-xl-5    { flex: 0 0 auto; width: 41.666667%; }
    .col-xl-6    { flex: 0 0 auto; width: 50%; }
    .col-xl-7    { flex: 0 0 auto; width: 58.333333%; }
    .col-xl-8    { flex: 0 0 auto; width: 66.666667%; }
    .col-xl-9    { flex: 0 0 auto; width: 75%; }
    .col-xl-10   { flex: 0 0 auto; width: 83.333333%; }
    .col-xl-11   { flex: 0 0 auto; width: 91.666667%; }
    .col-xl-12   { flex: 0 0 auto; width: 100%; }
}

/* Row gutters */
.row.g-0 { margin-left: 0; margin-right: 0; }
.row.g-0 > * { padding-left: 0; padding-right: 0; }
.row.g-2 { margin-left: -4px; margin-right: -4px; }
.row.g-2 > * { padding-left: 4px; padding-right: 4px; }
.row.g-4 { margin-left: -16px; margin-right: -16px; }
.row.g-4 > * { padding-left: 16px; padding-right: 16px; }
.row.g-6 { margin-left: -24px; margin-right: -24px; }
.row.g-6 > * { padding-left: 24px; padding-right: 24px; }

/* ============================================================
   CSS Grid Utilities  (.grid / .grid-cols-* / .gap-*)
   ============================================================ */
.grid { display: grid; }

.grid-cols-1  { grid-template-columns: repeat(1,  minmax(0, 1fr)); }
.grid-cols-2  { grid-template-columns: repeat(2,  minmax(0, 1fr)); }
.grid-cols-3  { grid-template-columns: repeat(3,  minmax(0, 1fr)); }
.grid-cols-4  { grid-template-columns: repeat(4,  minmax(0, 1fr)); }
.grid-cols-5  { grid-template-columns: repeat(5,  minmax(0, 1fr)); }
.grid-cols-6  { grid-template-columns: repeat(6,  minmax(0, 1fr)); }
.grid-cols-7  { grid-template-columns: repeat(7,  minmax(0, 1fr)); }
.grid-cols-8  { grid-template-columns: repeat(8,  minmax(0, 1fr)); }
.grid-cols-9  { grid-template-columns: repeat(9,  minmax(0, 1fr)); }
.grid-cols-10 { grid-template-columns: repeat(10, minmax(0, 1fr)); }
.grid-cols-11 { grid-template-columns: repeat(11, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

@media (min-width: 576px) {
    .grid-cols-sm-1  { grid-template-columns: repeat(1,  minmax(0, 1fr)); }
    .grid-cols-sm-2  { grid-template-columns: repeat(2,  minmax(0, 1fr)); }
    .grid-cols-sm-3  { grid-template-columns: repeat(3,  minmax(0, 1fr)); }
    .grid-cols-sm-4  { grid-template-columns: repeat(4,  minmax(0, 1fr)); }
    .grid-cols-sm-5  { grid-template-columns: repeat(5,  minmax(0, 1fr)); }
    .grid-cols-sm-6  { grid-template-columns: repeat(6,  minmax(0, 1fr)); }
    .grid-cols-sm-7  { grid-template-columns: repeat(7,  minmax(0, 1fr)); }
    .grid-cols-sm-8  { grid-template-columns: repeat(8,  minmax(0, 1fr)); }
    .grid-cols-sm-9  { grid-template-columns: repeat(9,  minmax(0, 1fr)); }
    .grid-cols-sm-10 { grid-template-columns: repeat(10, minmax(0, 1fr)); }
    .grid-cols-sm-11 { grid-template-columns: repeat(11, minmax(0, 1fr)); }
    .grid-cols-sm-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
    .grid-cols-md-1  { grid-template-columns: repeat(1,  minmax(0, 1fr)); }
    .grid-cols-md-2  { grid-template-columns: repeat(2,  minmax(0, 1fr)); }
    .grid-cols-md-3  { grid-template-columns: repeat(3,  minmax(0, 1fr)); }
    .grid-cols-md-4  { grid-template-columns: repeat(4,  minmax(0, 1fr)); }
    .grid-cols-md-5  { grid-template-columns: repeat(5,  minmax(0, 1fr)); }
    .grid-cols-md-6  { grid-template-columns: repeat(6,  minmax(0, 1fr)); }
    .grid-cols-md-7  { grid-template-columns: repeat(7,  minmax(0, 1fr)); }
    .grid-cols-md-8  { grid-template-columns: repeat(8,  minmax(0, 1fr)); }
    .grid-cols-md-9  { grid-template-columns: repeat(9,  minmax(0, 1fr)); }
    .grid-cols-md-10 { grid-template-columns: repeat(10, minmax(0, 1fr)); }
    .grid-cols-md-11 { grid-template-columns: repeat(11, minmax(0, 1fr)); }
    .grid-cols-md-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
    .grid-cols-lg-1  { grid-template-columns: repeat(1,  minmax(0, 1fr)); }
    .grid-cols-lg-2  { grid-template-columns: repeat(2,  minmax(0, 1fr)); }
    .grid-cols-lg-3  { grid-template-columns: repeat(3,  minmax(0, 1fr)); }
    .grid-cols-lg-4  { grid-template-columns: repeat(4,  minmax(0, 1fr)); }
    .grid-cols-lg-5  { grid-template-columns: repeat(5,  minmax(0, 1fr)); }
    .grid-cols-lg-6  { grid-template-columns: repeat(6,  minmax(0, 1fr)); }
    .grid-cols-lg-7  { grid-template-columns: repeat(7,  minmax(0, 1fr)); }
    .grid-cols-lg-8  { grid-template-columns: repeat(8,  minmax(0, 1fr)); }
    .grid-cols-lg-9  { grid-template-columns: repeat(9,  minmax(0, 1fr)); }
    .grid-cols-lg-10 { grid-template-columns: repeat(10, minmax(0, 1fr)); }
    .grid-cols-lg-11 { grid-template-columns: repeat(11, minmax(0, 1fr)); }
    .grid-cols-lg-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
}

@media (min-width: 1280px) {
    .grid-cols-xl-1  { grid-template-columns: repeat(1,  minmax(0, 1fr)); }
    .grid-cols-xl-2  { grid-template-columns: repeat(2,  minmax(0, 1fr)); }
    .grid-cols-xl-3  { grid-template-columns: repeat(3,  minmax(0, 1fr)); }
    .grid-cols-xl-4  { grid-template-columns: repeat(4,  minmax(0, 1fr)); }
    .grid-cols-xl-5  { grid-template-columns: repeat(5,  minmax(0, 1fr)); }
    .grid-cols-xl-6  { grid-template-columns: repeat(6,  minmax(0, 1fr)); }
    .grid-cols-xl-7  { grid-template-columns: repeat(7,  minmax(0, 1fr)); }
    .grid-cols-xl-8  { grid-template-columns: repeat(8,  minmax(0, 1fr)); }
    .grid-cols-xl-9  { grid-template-columns: repeat(9,  minmax(0, 1fr)); }
    .grid-cols-xl-10 { grid-template-columns: repeat(10, minmax(0, 1fr)); }
    .grid-cols-xl-11 { grid-template-columns: repeat(11, minmax(0, 1fr)); }
    .grid-cols-xl-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
}

/* Column span */
.col-span-1   { grid-column: span 1  / span 1; }
.col-span-2   { grid-column: span 2  / span 2; }
.col-span-3   { grid-column: span 3  / span 3; }
.col-span-4   { grid-column: span 4  / span 4; }
.col-span-5   { grid-column: span 5  / span 5; }
.col-span-6   { grid-column: span 6  / span 6; }
.col-span-7   { grid-column: span 7  / span 7; }
.col-span-8   { grid-column: span 8  / span 8; }
.col-span-9   { grid-column: span 9  / span 9; }
.col-span-10  { grid-column: span 10 / span 10; }
.col-span-11  { grid-column: span 11 / span 11; }
.col-span-12  { grid-column: span 12 / span 12; }
.col-span-full { grid-column: 1 / -1; }

/* Gap utilities (shared by both systems) */
.gap-0  { gap: 0; }
.gap-1  { gap: 4px; }
.gap-2  { gap: 8px; }
.gap-3  { gap: 12px; }
.gap-4  { gap: 16px; }
.gap-5  { gap: 20px; }
.gap-6  { gap: 24px; }
.gap-8  { gap: 32px; }
.gap-10 { gap: 40px; }

/* Demo boxes used in the grid section of components.html */
.g-demo-col {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: var(--r-sm);
    padding: 10px 6px;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--brand-600);
    font-family: var(--font-mono);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
[data-theme="dark"] .g-demo-col {
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--brand-400);
}
.g-demo-col.accent {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--color-success);
}
.g-demo-col.soft {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
    color: var(--color-warning);
}

/* Breakpoint table inside grid docs */
.bp-table { width: 100%; border-collapse: collapse; font-size: 0.8125rem; margin-top: var(--space-4); }
.bp-table th { background: var(--bg-muted); color: var(--text-soft); font-weight: 600; text-align: left; padding: 8px 12px; border: 1px solid var(--border); }
.bp-table td { padding: 8px 12px; border: 1px solid var(--border); color: var(--text); font-family: var(--font-mono); font-size: 0.75rem; }
.bp-table tr:hover td { background: var(--bg-muted); }

.caption {
    font-size: .9rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 4px;
}