/* ==========================================================================
   DenverNerd Engine — Layout, Base Resets, Navigation & Fluid Typography
   File: layout.css
   ========================================================================== */

/* --------------------------------------------------------------------------
   Anti-FOUC Theme Tokens (DenverNerd Core Palette)
   -------------------------------------------------------------------------- */
:root,
[data-theme="denvernerd-dark"] {
    --bg-base: #0B0F17;
    --bg-surface: #111827;
    --bg-card: #141c2e;
    --bg-card-hover: #1E293B;
    --bg-elevated: #1E293B;
    --border: #334155;
    --border-highlight: #06B6D4;
    --border-muted: #1E293B;
    --text: #F8FAFC;
    --text-muted: #94A3B8;
    --text-dim: #64748B;
    --accent-cyan: #06B6D4;
    --accent-cyan-hover: #22D3EE;
    --accent-emerald: #10B981;
    --accent-emerald-hover: #34D399;
    --accent-purple: #8B5CF6;
    --accent-amber: #F59E0B;
    --accent-orange: #EA580C;
    --accent-rose: #EF4444;
    --code-bg: #0B0F17;
    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --card-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
}

[data-theme="terminal-amber"] {
    --bg-base: #0C0A00;
    --bg-surface: #181402;
    --bg-card: #1F1903;
    --bg-card-hover: #2C2405;
    --bg-elevated: #2A2204;
    --border: #544100;
    --border-highlight: #FFB000;
    --border-muted: #382B00;
    --text: #FFB000;
    --text-muted: #D49200;
    --text-dim: #8F6300;
    --accent-cyan: #FFB000;
    --accent-cyan-hover: #FFC433;
    --accent-emerald: #FFA000;
    --accent-emerald-hover: #FFB733;
    --accent-purple: #E69500;
    --accent-amber: #FFB000;
    --accent-orange: #FF7700;
    --accent-rose: #FF3D00;
    --code-bg: #080600;
    --card-shadow: 0 0 15px rgba(255, 176, 0, 0.1);
}

[data-theme="clean-slate-light"] {
    --bg-base: #F8FAFC;
    --bg-surface: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-card-hover: #F1F5F9;
    --bg-elevated: #F1F5F9;
    --border: #CBD5E1;
    --border-highlight: #0284C7;
    --border-muted: #E2E8F0;
    --text: #0F172A;
    --text-muted: #475569;
    --text-dim: #64748B;
    --accent-cyan: #0284C7;
    --accent-cyan-hover: #0369A1;
    --accent-emerald: #059669;
    --accent-emerald-hover: #10B981;
    --accent-purple: #7C3AED;
    --accent-amber: #D97706;
    --accent-orange: #C2410C;
    --accent-rose: #DC2626;
    --code-bg: #0F172A;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
}

[data-theme="clean-slate-light"] nav {
    background: rgba(255, 255, 255, 0.9) !important;
}

[data-theme="cyberpunk-neon"] {
    --bg-base: #080114;
    --bg-surface: #120524;
    --bg-card: #190832;
    --bg-card-hover: #260C4C;
    --bg-elevated: #280E50;
    --border: #3E187A;
    --border-highlight: #FF007F;
    --border-muted: #2B0E55;
    --text: #F0FDF4;
    --text-muted: #A7F3D0;
    --text-dim: #6EE7B7;
    --accent-cyan: #00F0FF;
    --accent-cyan-hover: #38F9D7;
    --accent-emerald: #00FF66;
    --accent-emerald-hover: #66FFA3;
    --accent-purple: #D946EF;
    --accent-amber: #FFE600;
    --accent-orange: #FF5500;
    --accent-rose: #FF0055;
    --code-bg: #05000D;
    --card-shadow: 0 0 20px rgba(255, 0, 127, 0.15);
}

/* --------------------------------------------------------------------------
   Theme Selector Dropdown Component
   -------------------------------------------------------------------------- */
.theme-select-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 8px;
    padding: 0.35rem 0.65rem;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
    transition: all 0.2s ease;
}
.theme-select-btn:hover {
    border-color: var(--border-highlight);
    background: rgba(255, 255, 255, 0.09);
}
.theme-dropdown {
    position: relative;
    display: inline-block;
}
.theme-dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    min-width: 195px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    z-index: 1100;
    display: none;
    overflow: hidden;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.theme-dropdown-menu.show {
    display: block;
}
.theme-opt-item {
    padding: 0.55rem 0.85rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text);
    transition: background 0.15s ease;
    user-select: none;
    text-decoration: none;
}
.theme-opt-item:hover {
    background: var(--bg-card-hover);
    color: var(--accent-cyan);
}
.theme-opt-item.active {
    color: var(--accent-cyan);
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   Universal Resets & Base Typography
   -------------------------------------------------------------------------- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-base);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image: 
        radial-gradient(circle at 12% 10%, rgba(6, 182, 212, 0.08) 0%, transparent 45%),
        radial-gradient(circle at 88% 88%, rgba(139, 92, 246, 0.08) 0%, transparent 45%),
        linear-gradient(to right, rgba(51, 65, 85, 0.06) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(51, 65, 85, 0.06) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: color 0.15s ease;
}
a:hover {
    color: var(--accent-cyan-hover);
    text-decoration: underline;
}

.font-mono {
    font-family: var(--font-mono);
}

/* --------------------------------------------------------------------------
   Fluid Dynamic Viewport Container
   -------------------------------------------------------------------------- */
.container {
    max-width: min(94vw, 1560px);
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
    flex: 1;
    width: 100%;
}

@media (max-width: 640px) {
    .container {
        padding: 1.5rem 1rem;
    }
}

/* --------------------------------------------------------------------------
   Navigation Bar (Sticky Frosted Glass)
   -------------------------------------------------------------------------- */
nav {
    border-bottom: 1px solid var(--border);
    background: rgba(11, 15, 23, 0.82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0.85rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-logo {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-cyan), #0284c7);
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #070a11;
    font-weight: 900;
    font-size: 1.05rem;
    font-family: var(--font-mono);
    box-shadow: 0 0 16px rgba(6, 182, 212, 0.45);
}

.nav-center {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.nav-links {
    display: flex;
    gap: 1.25rem;
    align-items: center;
    list-style: none;
}

.nav-links a {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.92rem;
    text-decoration: none;
    transition: color 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-cyan);
}

.btn-feed {
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.3);
    color: var(--accent-cyan) !important;
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-size: 0.82rem !important;
    font-family: var(--font-mono);
    font-weight: 600;
    transition: all 0.15s ease;
}
.btn-feed:hover {
    background: var(--accent-cyan);
    color: #070a11 !important;
    text-decoration: none !important;
    box-shadow: 0 0 12px rgba(6, 182, 212, 0.4);
}

.nav-search-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 0.42rem 0.85rem;
    border-radius: 8px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}
.nav-search-btn:hover {
    background: rgba(6, 182, 212, 0.08);
    border-color: rgba(6, 182, 212, 0.4);
    color: var(--text);
}
.nav-search-btn kbd {
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.15rem 0.4rem;
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--accent-cyan);
}

.user-avatar-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    padding: 0.22rem 0.65rem 0.22rem 0.3rem;
    border-radius: 9999px;
    transition: border-color 0.15s ease;
}
.user-avatar-pill:hover {
    border-color: rgba(6, 182, 212, 0.4);
}
.nav-avatar-bubble {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: #070a11;
    font-weight: 800;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 2px #111827, 0 0 0 3px rgba(6, 182, 212, 0.4);
}
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}
.status-dot.online {
    background-color: var(--accent-emerald);
    box-shadow: 0 0 8px var(--accent-emerald);
}
.status-dot.guest {
    background-color: var(--text-dim);
}

/* --------------------------------------------------------------------------
   Mobile Hamburger & Drawer Navigation
   -------------------------------------------------------------------------- */
.nav-hamburger-btn {
    display: none;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    padding: 0.45rem 0.6rem;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}
.nav-hamburger-btn:hover {
    background: rgba(6, 182, 212, 0.1);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}
@media (max-width: 860px) {
    .nav-links, .nav-search-btn {
        display: none !important;
    }
    .nav-hamburger-btn {
        display: flex !important;
    }
}

.mobile-nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(11, 15, 23, 0.78);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}
.mobile-nav-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}
.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 320px;
    max-width: 85vw;
    background: #111827;
    border-left: 1px solid var(--border);
    z-index: 2010;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: -10px 0 35px rgba(0, 0, 0, 0.6);
    overflow-y: auto;
}
.mobile-nav-drawer.open {
    transform: translateX(0);
}
.mobile-drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}
.mobile-drawer-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    transition: color 0.15s ease;
}
.mobile-drawer-close:hover { color: var(--text); }
.mobile-drawer-user {
    padding: 1.25rem 1.5rem;
    background: rgba(15, 21, 35, 0.6);
    border-bottom: 1px solid var(--border);
}
.mobile-drawer-search {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
}
.mobile-search-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.65rem 0.85rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 0.88rem;
    cursor: pointer;
}
.mobile-drawer-nav {
    display: flex;
    flex-direction: column;
    padding: 1rem 1.25rem;
    gap: 0.35rem;
    flex: 1;
}
.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.75rem 1rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.15s ease;
}
.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.1);
    text-decoration: none;
}
.mobile-drawer-footer {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--border);
    background: rgba(11, 15, 23, 0.5);
    font-size: 0.78rem;
    color: var(--text-dim);
}
.mobile-system-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-family: var(--font-mono);
}

/* --------------------------------------------------------------------------
   Hero Cyber Grid Section
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    padding: 4.5rem 2.25rem 4rem;
    margin-bottom: 3.5rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    background-color: #0d121f;
    background-image: 
        radial-gradient(ellipse at 50% -10%, rgba(6, 182, 212, 0.18) 0%, transparent 65%),
        radial-gradient(circle at 90% 90%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        linear-gradient(to right, rgba(51, 65, 85, 0.18) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(51, 65, 85, 0.18) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 36px 36px, 36px 36px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 5%;
    right: 5%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}
.hero-badge-wrap {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.35rem 0.95rem;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 9999px;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent-cyan);
    font-family: var(--font-mono);
    margin-bottom: 1.5rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.hero-title {
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.035em;
    margin-bottom: 1.25rem;
    color: #f8fafc;
}
.hero-title .gradient-text {
    background: linear-gradient(135deg, #38bdf8 0%, #06b6d4 50%, #34d399 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-desc {
    font-size: 1.18rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 2rem;
    max-width: 740px;
}
.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 2.5rem;
}
.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.65rem;
    background: linear-gradient(135deg, var(--accent-cyan), #0284c7);
    color: #070a11 !important;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 8px;
    text-decoration: none !important;
    box-shadow: 0 4px 18px rgba(6, 182, 212, 0.4);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(6, 182, 212, 0.55);
}
.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text) !important;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 8px;
    text-decoration: none !important;
    transition: all 0.2s ease;
}
.btn-hero-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
}
.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
    padding-top: 1.75rem;
    border-top: 1px solid rgba(51, 65, 85, 0.6);
}
.hero-stat-val {
    font-family: var(--font-mono);
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--accent-cyan);
}
.hero-stat-lbl {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-top: 0.2rem;
    font-weight: 500;
}

/* --------------------------------------------------------------------------
   Section Headers & Global UI Buttons
   -------------------------------------------------------------------------- */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 1.75rem;
    flex-wrap: wrap;
    gap: 1rem;
}
.section-title {
    font-size: 1.65rem;
    font-weight: 800;
    letter-spacing: -0.025em;
}
.section-sub {
    color: var(--text-dim);
    font-size: 0.95rem;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.1rem;
    background: linear-gradient(135deg, var(--accent-cyan), #0284c7);
    color: #070a11 !important;
    font-weight: 700;
    font-size: 0.88rem;
    border-radius: 8px;
    text-decoration: none !important;
    transition: opacity 0.15s ease, transform 0.15s ease;
    margin-top: auto;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(6, 182, 212, 0.3);
}
.btn-cta:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   Global Search Palette (Cmd/Ctrl + K Modal)
   -------------------------------------------------------------------------- */
.cmd-k-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(11, 15, 23, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 5000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 12vh;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}
.cmd-k-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}
.cmd-k-modal {
    width: 640px;
    max-width: 90vw;
    background: #111827;
    border: 1px solid var(--border-highlight);
    border-radius: 14px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7), 0 0 35px rgba(6, 182, 212, 0.2);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 70vh;
    transform: translateY(-20px) scale(0.98);
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.cmd-k-backdrop.open .cmd-k-modal {
    transform: translateY(0) scale(1);
}
.cmd-k-header {
    display: flex;
    align-items: center;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--border);
    gap: 0.75rem;
    background: rgba(15, 21, 35, 0.95);
}
.cmd-k-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text);
    font-size: 1.05rem;
    font-family: inherit;
}
.cmd-k-input::placeholder {
    color: var(--text-dim);
}
.cmd-k-close {
    background: transparent;
    border: none;
    color: var(--text-dim);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
}
.cmd-k-results {
    overflow-y: auto;
    padding: 0.5rem;
    max-height: 48vh;
}
.cmd-k-item {
    display: flex;
    flex-direction: column;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s ease;
    text-decoration: none;
    color: inherit;
}
.cmd-k-item:hover, .cmd-k-item.active {
    background: rgba(6, 182, 212, 0.1);
}
.cmd-k-item-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}
.cmd-k-title {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text);
}
.cmd-k-badge {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.12);
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    font-family: var(--font-mono);
}
.cmd-k-snippet {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.4;
}
.cmd-k-empty-state {
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.95rem;
}
.cmd-k-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1.25rem;
    border-top: 1px solid var(--border);
    background: rgba(15, 21, 35, 0.85);
    font-size: 0.75rem;
    color: var(--text-dim);
}
.cmd-k-footer kbd {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border);
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    color: var(--text-muted);
}
.cmd-k-loading {
    padding: 2.5rem;
    text-align: center;
    color: var(--accent-cyan);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}
.cmd-k-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid rgba(6, 182, 212, 0.2);
    border-top-color: var(--accent-cyan);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.search-highlight {
    background: rgba(6, 182, 212, 0.3);
    color: #fff;
    padding: 0.1rem 0.25rem;
    border-radius: 3px;
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   Zero-Dependency Image Lightbox
   -------------------------------------------------------------------------- */
.dn-lightbox-overlay {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(6, 9, 15, 0.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 99999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease;
}
.dn-lightbox-overlay.active {
    opacity: 1;
    pointer-events: auto;
}
.dn-lightbox-img {
    max-width: 90vw;
    max-height: 82vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255, 255, 255, 0.1);
    transform: scale(0.96);
    transition: transform 0.22s ease;
}
.dn-lightbox-overlay.active .dn-lightbox-img {
    transform: scale(1);
}
.dn-lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}
.dn-lightbox-close:hover {
    background: var(--accent-cyan);
    color: #0b0f17;
    transform: scale(1.08);
}
.dn-lightbox-caption {
    margin-top: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    text-align: center;
    max-width: 700px;
}

/* --------------------------------------------------------------------------
   Cookie Consent Banner
   -------------------------------------------------------------------------- */
.cookie-consent-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 99990;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--border);
    padding: 1rem 1.5rem;
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.5);
    animation: slideUpCookie 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes slideUpCookie {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}
.cookie-consent-content {
    max-width: min(94vw, 1560px);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.cookie-consent-text {
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.5;
    flex: 1;
    min-width: 280px;
}
.cookie-consent-text strong {
    color: var(--text);
}
.cookie-consent-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.btn-cookie-learn {
    font-size: 0.85rem;
    color: var(--accent-cyan);
    text-decoration: none !important;
    padding: 0.45rem 0.85rem;
    border: 1px solid rgba(6, 182, 212, 0.25);
    border-radius: 6px;
    transition: all 0.2s ease;
}
.btn-cookie-learn:hover {
    background: rgba(6, 182, 212, 0.1);
    border-color: var(--accent-cyan);
}
.btn-cookie-accept {
    font-size: 0.85rem;
    font-weight: 600;
    color: #0b0f17 !important;
    background: var(--accent-cyan);
    border: 1px solid var(--accent-cyan);
    border-radius: 6px;
    padding: 0.45rem 1.1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}
.btn-cookie-accept:hover {
    background: #22d3ee;
    transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   Footer Layout
   -------------------------------------------------------------------------- */
footer {
    border-top: 1px solid var(--border);
    padding: 2.5rem 2rem;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.85rem;
    background: var(--bg-surface);
    margin-top: 4rem;
}
.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}
.footer-links a { color: var(--text-muted); }