/**
 * RealStack - Dual Web OS Architecture Engine
 * Supports BOTH:
 * 1. Upthread Reddit Community Dashboard (`reddit-dashboard` - 246px Sidebar)
 * 2. ZenMod Minimal Community OS (`zenmod-os` - 80px Slim Rail)
 * 100% Mobile-First Responsive Architecture with Seamless Light/Dark Mode Switching
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ============================================================================
   LIGHT MODE PALETTE (:root, [data-theme="light"])
   ============================================================================ */
:root, [data-theme="light"] {
    --bg: #f7f7f8;
    --surface: #ffffff;
    --surface-2: #fafafa;
    --surface-3: #f3f4f6;
    --text: #18181b;
    --muted: #71717a;
    --muted-2: #a1a1aa;
    --line: #e8e8eb;
    --line-strong: #dedee3;
    --brand: #ff4f18;
    --brand-2: #ff784b;
    --brand-soft: #fff0ea;
    --purple: #7c5cff;
    --purple-soft: #f1efff;
    --green: #139c67;
    --green-soft: #e9f8f1;
    --red: #dc3e42;
    --red-soft: #fff0f0;
    --amber: #b77900;
    --amber-soft: #fff7df;
    --blue: #2775e8;
    --blue-soft: #edf5ff;
    --shadow: 0 1px 2px rgba(18, 18, 23, 0.025), 0 8px 24px rgba(18, 18, 23, 0.035);
    --sidebar-w: 246px;
    --radius: 14px;
    --ease: 180ms ease;

    /* ZenMod variables */
    --bg-main: #fafafa;
    --bg-surface: #ffffff;
    --bg-card: #ffffff;
    --bg-hover: #f4f4f5;
    --border-color: rgba(228, 228, 231, 0.95);
    --border-hover: rgba(161, 161, 170, 0.85);
    --text-primary: #18181b;
    --text-secondary: #52525b;
    --text-muted: #a1a1aa;
    --primary-color: #18181b;
    --primary-hover: #27272a;
    --primary-gradient: linear-gradient(135deg, #18181b 0%, #3f3f46 100%);
    --accent-color: #6366f1;
    --card-radius: 24px;
    --item-radius: 16px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --backdrop-blur: 12px;
}

/* ============================================================================
   DARK MODE PALETTE ([data-theme="dark"])
   ============================================================================ */
[data-theme="dark"] {
    --bg: #0f1012;
    --surface: #17181b;
    --surface-2: #1b1c20;
    --surface-3: #222329;
    --text: #f4f4f5;
    --muted: #a1a1aa;
    --muted-2: #71717a;
    --line: #292a2f;
    --line-strong: #35363d;
    --brand: #ff5e2e;
    --brand-2: #ff784b;
    --brand-soft: #3b1c13;
    --purple-soft: #27203f;
    --green-soft: #132c23;
    --red-soft: #32191b;
    --amber-soft: #322b17;
    --blue-soft: #18283d;
    --shadow: none;

    /* ZenMod variables */
    --bg-main: #09090b;
    --bg-surface: #121215;
    --bg-card: #18181b;
    --bg-hover: #27272a;
    --border-color: rgba(63, 63, 70, 0.65);
    --border-hover: rgba(113, 113, 122, 0.85);
    --text-primary: #f4f4f5;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --primary-color: #f4f4f5;
    --primary-hover: #ffffff;
    --primary-gradient: linear-gradient(135deg, #f4f4f5 0%, #d4d4d8 100%);
    --accent-color: #818cf8;
    --card-radius: 24px;
    --item-radius: 16px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --backdrop-blur: 12px;
}

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

body {
    margin: 0;
    min-width: 320px;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 14px;
    line-height: 1.45;
    -webkit-font-smoothing: antialiased;
    transition: background var(--ease), color var(--ease);
}

[data-template="zenmod-os"] body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

button, input, select { font: inherit; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ============================================================================
   UNIFIED DESIGN SYSTEM BRIDGE (`.card-custom`, `.btn-primary`, `.badge`, `.form-control`)
   Ensures 100% fidelity & adaptation across all 3 templates and Dark/Light modes
   ============================================================================ */
/* Default / Standard Nav adaptation */
.card-custom {
    background: var(--surface, #ffffff);
    border: 1px solid var(--line, #e8e8eb);
    border-radius: var(--radius, 16px);
    box-shadow: var(--shadow, 0 2px 12px rgba(0,0,0,0.04));
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    color: var(--text, #18181b);
}
.card-custom:hover, .card-custom-hover:hover {
    border-color: var(--line-strong, #dedee3);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* Upthread Reddit Dashboard (`reddit-dashboard` / `.reddit-os-wrapper`) adaptation */
[data-template="reddit-dashboard"] .card-custom,
.reddit-os-wrapper .card-custom {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    color: var(--text);
}
[data-template="reddit-dashboard"] .card-custom:hover,
.reddit-os-wrapper .card-custom:hover {
    border-color: var(--brand);
    box-shadow: 0 6px 20px rgba(255, 79, 24, 0.12);
}

/* ZenMod Minimal (`zenmod-os` / `.zen-os-wrapper`) adaptation */
[data-template="zenmod-os"] .card-custom,
.zen-os-wrapper .card-custom {
    background: var(--bg-card, rgba(255, 255, 255, 0.82));
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius, 24px);
    box-shadow: var(--shadow-sm);
    color: var(--text-primary);
}
[data-theme="dark"][data-template="zenmod-os"] .card-custom,
[data-theme="dark"] .zen-os-wrapper .card-custom {
    background: rgba(24, 24, 27, 0.88);
}
[data-template="zenmod-os"] .card-custom:hover,
.zen-os-wrapper .card-custom:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

/* Unified Button Adapters (`.btn-primary`, `.btn-secondary`, `.btn-outline-*`) */
[data-template="reddit-dashboard"] .btn-primary,
.reddit-os-wrapper .btn-primary {
    background: var(--brand, #ff4f18) !important;
    border-color: var(--brand, #ff4f18) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(255, 79, 24, 0.28) !important;
    border-radius: 10px !important;
    font-weight: 650 !important;
}
[data-template="reddit-dashboard"] .btn-primary:hover,
.reddit-os-wrapper .btn-primary:hover {
    background: var(--brand-2, #ff784b) !important;
    border-color: var(--brand-2, #ff784b) !important;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(255, 79, 24, 0.38) !important;
}

[data-template="zenmod-os"] .btn-primary,
.zen-os-wrapper .btn-primary {
    background: var(--primary-gradient) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--bg-main, #ffffff) !important;
    box-shadow: var(--shadow-sm) !important;
    border-radius: 14px !important;
    font-weight: 650 !important;
}
[data-theme="dark"][data-template="zenmod-os"] .btn-primary,
[data-theme="dark"] .zen-os-wrapper .btn-primary {
    color: #09090b !important;
}
[data-template="zenmod-os"] .btn-primary:hover,
.zen-os-wrapper .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md) !important;
}

/* Unified Form Controls (`.form-control`, `.form-select`) */
.form-control, .form-select, .input-group-text {
    background-color: var(--surface-2, #fafafa);
    border: 1px solid var(--line, #e8e8eb);
    color: var(--text, #18181b);
    border-radius: 10px;
    padding: 0.55rem 0.95rem;
    transition: all 0.18s ease;
}
.form-control:focus, .form-select:focus {
    background-color: var(--surface, #ffffff);
    border-color: var(--brand, #ff4f18);
    box-shadow: 0 0 0 3px var(--brand-soft, rgba(255, 79, 24, 0.15));
    color: var(--text, #18181b);
}
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select,
[data-theme="dark"] .input-group-text {
    background-color: var(--surface-2, #1b1c20);
    border-color: var(--line, #292a2f);
    color: var(--text, #f4f4f5);
}
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: var(--surface, #17181b);
    border-color: var(--brand, #ff5e2e);
    box-shadow: 0 0 0 3px rgba(255, 94, 46, 0.2);
    color: #ffffff;
}

/* Universal Typography Fixes for Dark/Light Mode across inner views */
[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3, [data-theme="dark"] h4, [data-theme="dark"] h5, [data-theme="dark"] h6,
[data-theme="dark"] .fw-bold, [data-theme="dark"] .text-dark {
    color: var(--text, #f4f4f5) !important;
}
[data-theme="dark"] .text-muted, [data-theme="dark"] .text-secondary {
    color: var(--muted, #a1a1aa) !important;
}
[data-theme="dark"] .bg-light {
    background-color: var(--surface-2, #1b1c20) !important;
    color: var(--text, #f4f4f5) !important;
}
[data-theme="dark"] .border, [data-theme="dark"] .border-top, [data-theme="dark"] .border-bottom, [data-theme="dark"] .border-start, [data-theme="dark"] .border-end {
    border-color: var(--line, #292a2f) !important;
}
[data-theme="dark"] .dropdown-menu {
    background-color: var(--surface, #17181b);
    border-color: var(--line, #292a2f);
}
[data-theme="dark"] .dropdown-item {
    color: var(--text, #f4f4f5);
}
[data-theme="dark"] .dropdown-item:hover {
    background-color: var(--surface-2, #1b1c20);
    color: var(--text, #ffffff);
}
[data-theme="dark"] .modal-content {
    background-color: var(--surface, #17181b);
    border: 1px solid var(--line, #292a2f);
    color: var(--text, #f4f4f5);
}

/* Universal Light Mode Safeguards for hardcoded admin classes */
[data-theme="light"] .text-white {
    color: var(--text, #18181b) !important;
}
[data-theme="light"] .bg-dark {
    background-color: var(--surface-2, #fafafa) !important;
    color: var(--text, #18181b) !important;
}
[data-theme="light"] .table.text-white {
    color: var(--text, #18181b) !important;
}

/* Universal List Group & Table Adaptations for all 3 templates */
.list-group-item {
    background-color: transparent !important;
    border-color: var(--line, rgba(255,255,255,0.08)) !important;
    color: var(--text, inherit) !important;
}
.list-group-item:hover, .list-group-item-action:hover {
    background-color: var(--surface-2, rgba(255,255,255,0.04)) !important;
}
.table {
    color: var(--text, #18181b) !important;
    border-color: var(--line, #e8e8eb) !important;
}
[data-theme="dark"] .table {
    color: var(--text, #f4f4f5) !important;
    border-color: var(--line, #292a2f) !important;
}
[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: var(--surface-2, #1b1c20) !important;
    color: var(--text, #f4f4f5) !important;
}

/* ============================================================================
   LAYOUT 1: UPTHREAD REDDIT COMMUNITY DASHBOARD (`reddit-dashboard` - 246px Rail)
   Exact match for reddit-community-dashboard.html
   ============================================================================ */
.reddit-os-wrapper {
    display: flex;
    min-height: 100vh;
    background: var(--bg);
}

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 40;
    width: var(--sidebar-w, 246px);
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border-right: 1px solid var(--line);
    transition: transform 240ms ease, background var(--ease), border var(--ease);
}

.brand {
    height: 70px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--line);
    text-decoration: none;
}

.brand-mark {
    position: relative;
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    color: white;
    background: var(--brand);
    border-radius: 10px;
    box-shadow: 0 5px 14px rgba(255, 79, 24, 0.2);
}

.brand-mark::after {
    content: "";
    position: absolute;
    right: 4px;
    bottom: 2px;
    border-width: 4px 0 0 5px;
    border-style: solid;
    border-color: transparent transparent transparent var(--brand);
    transform: rotate(8deg);
}

.brand-name { font-size: 17px; font-weight: 750; letter-spacing: -0.35px; color: var(--text); }
.brand-name span { color: var(--brand); }

.brand-badge {
    margin-left: auto;
    padding: 2px 6px;
    color: var(--muted);
    background: var(--surface-3);
    border-radius: 5px;
    font-size: 9px;
    font-weight: 750;
    letter-spacing: .6px;
}

.sidebar-scroll { flex: 1; overflow-y: auto; padding: 14px 12px; }
.nav-group { margin-bottom: 20px; }
.nav-label {
    padding: 0 10px 7px;
    color: var(--muted-2);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .09em;
    text-transform: uppercase;
}

.reddit-nav-link {
    position: relative;
    min-height: 40px;
    padding: 0 11px;
    margin: 2px 0;
    display: flex;
    align-items: center;
    gap: 11px;
    color: var(--muted);
    border-radius: 9px;
    font-size: 13px;
    font-weight: 520;
    transition: color var(--ease), background var(--ease), transform var(--ease);
    text-decoration: none;
}

.reddit-nav-link:hover { color: var(--text); background: var(--surface-2); }
.reddit-nav-link.active { color: var(--brand); background: var(--brand-soft); font-weight: 650; }
.reddit-nav-link.active::before {
    content: "";
    position: absolute;
    left: -12px;
    width: 3px;
    height: 20px;
    background: var(--brand);
    border-radius: 0 4px 4px 0;
}

.reddit-nav-link .nav-count {
    margin-left: auto;
    min-width: 21px;
    padding: 2px 6px;
    text-align: center;
    color: var(--muted);
    background: var(--surface-3);
    border-radius: 999px;
    font-size: 10px;
    font-weight: 650;
}

.reddit-nav-link .hot-count { color: var(--brand); background: var(--brand-soft); }

.sidebar-footer { padding: 10px 12px 14px; border-top: 1px solid var(--line); }
.workspace-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-radius: 10px;
    cursor: pointer;
    transition: background var(--ease);
}
.workspace-card:hover { background: var(--surface-2); }
.avatar {
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: #fff;
    font-size: 11px;
    font-weight: 750;
    letter-spacing: .02em;
}
.avatar-lg { width: 34px; height: 34px; }
.avatar-md { width: 30px; height: 30px; }
.avatar-sm { width: 25px; height: 25px; font-size: 9px; }
.avatar-maya { background: linear-gradient(135deg, #3f4b6e, #8b5bcb 58%, #ff8b62); }
.workspace-copy { min-width: 0; flex: 1; }
.workspace-name { font-size: 12px; font-weight: 650; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.workspace-role { margin-top: 1px; color: var(--muted); font-size: 10px; }

.main { flex: 1; min-height: 100vh; margin-left: var(--sidebar-w, 246px); display: flex; flex-direction: column; }
.topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    background: color-mix(in srgb, var(--surface) 92%, transparent);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
}

.topbar-left, .topbar-right { display: flex; align-items: center; gap: 10px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; }
.breadcrumb-current { color: var(--text); font-weight: 600; }
.crumb-sep { color: var(--muted-2); }
.mobile-menu { display: none !important; }

.icon-button {
    position: relative;
    width: 36px;
    height: 36px;
    padding: 0;
    display: inline-grid;
    place-items: center;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 9px;
    cursor: pointer;
    color: var(--muted);
    transition: border-color var(--ease), background var(--ease), transform var(--ease);
}
.icon-button:hover { border-color: var(--line-strong); background: var(--surface-2); color: var(--text); }
.icon-button:active { transform: scale(.96); }
.notification-dot {
    position: absolute;
    top: 7px;
    right: 7px;
    width: 6px;
    height: 6px;
    background: var(--brand);
    border: 1.5px solid var(--surface);
    border-radius: 50%;
}

.global-search { position: relative; width: min(280px, 24vw); }
.global-search .icon { position: absolute; left: 11px; top: 10px; color: var(--muted); }
.global-search input {
    width: 100%;
    height: 36px;
    padding: 0 38px 0 36px;
    color: var(--text);
    background: var(--surface-2);
    border: 1px solid var(--line);
    border-radius: 9px;
    outline: none;
    transition: border var(--ease), box-shadow var(--ease), background var(--ease);
}
.global-search input::placeholder { color: var(--muted-2); }
.global-search input:focus { border-color: color-mix(in srgb, var(--brand) 50%, var(--line)); box-shadow: 0 0 0 3px var(--brand-soft); background: var(--surface); }
.shortcut {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 2px 5px;
    color: var(--muted-2);
    border: 1px solid var(--line);
    border-radius: 5px;
    font-size: 9px;
}

.top-profile { display: flex; align-items: center; gap: 8px; margin-left: 2px; padding-left: 10px; border-left: 1px solid var(--line); }
.top-profile-copy { line-height: 1.2; }
.top-profile-name { font-size: 11px; font-weight: 650; }
.top-profile-role { margin-top: 3px; color: var(--muted); font-size: 9px; }

.page { width: 100%; max-width: 1640px; margin: 0 auto; padding: 28px; flex: 1; }
.page-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 24px; flex-wrap: wrap; }
.eyebrow { margin: 0 0 5px; color: var(--brand); font-size: 10px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(23px, 2vw, 28px); line-height: 1.2; letter-spacing: -.65px; color: var(--text); }
.heading-sub { margin: 7px 0 0; color: var(--muted); font-size: 13px; }
.heading-actions { display: flex; gap: 9px; }

.btn {
    min-height: 36px;
    padding: 0 13px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: var(--surface);
    color: var(--text);
    font-size: 12px;
    font-weight: 620;
    cursor: pointer;
    transition: background var(--ease), border var(--ease), color var(--ease);
    text-decoration: none;
}
.btn:hover { background: var(--surface-2); border-color: var(--line-strong); }
.btn-primary-reddit { background: var(--brand); border-color: var(--brand); color: #fff; box-shadow: 0 4px 12px rgba(255, 79, 24, 0.25); }
.btn-primary-reddit:hover { background: var(--brand-2); border-color: var(--brand-2); color: #fff; }

/* Reddit Cards & Grid */
.reddit-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
    transition: border-color var(--ease), box-shadow var(--ease);
}
.reddit-card:hover { border-color: var(--line-strong); }

/* ============================================================================
   LAYOUT 2: ZENMOD MINIMAL COMMUNITY OS (`zenmod-os` - 80px Slim Rail)
   Exact match for reddit_minimal.html
   ============================================================================ */
.zen-os-wrapper {
    display: flex;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    background-color: var(--bg-main);
}

.zen-sidebar {
    width: 80px;
    min-width: 80px;
    border-right: 1px solid var(--border-color);
    background-color: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 0;
    gap: 2rem;
    z-index: 1040;
    transition: background-color 0.25s ease, border-color 0.25s ease;
}

.zen-logo-box {
    width: 44px;
    height: 44px;
    background: var(--primary-color);
    color: var(--bg-main);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.35rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease;
}

.zen-logo-box:hover {
    transform: rotate(-6deg) scale(1.06);
    color: var(--bg-main);
}

.zen-nav-rail {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex-grow: 1;
    align-items: center;
    width: 100%;
    padding: 0 0.75rem;
}

.zen-nav-link {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    text-decoration: none;
    font-size: 1.35rem;
    position: relative;
}

.zen-nav-link:hover, .zen-nav-link.active {
    color: var(--text-primary);
    background-color: var(--bg-hover);
}

.zen-nav-link.active::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 12px;
    bottom: 12px;
    width: 4px;
    background: var(--accent-color);
    border-radius: 0 4px 4px 0;
}

.zen-bottom-rail {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.zen-rail-btn {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    background: transparent;
    border: none;
    transition: all 0.2s ease;
    font-size: 1.25rem;
    cursor: pointer;
    text-decoration: none;
}

.zen-rail-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-hover);
}

.zen-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

.zen-header {
    height: 80px;
    min-height: 80px;
    padding: 0 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    z-index: 1020;
}

.zen-header-title {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--text-primary);
    margin: 0;
}

.zen-live-badge {
    padding: 2px 8px;
    background-color: var(--bg-hover);
    color: var(--text-secondary);
    font-size: 10px;
    font-weight: 750;
    text-transform: uppercase;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    letter-spacing: 0.06em;
}

.zen-search-box {
    position: relative;
    max-width: 280px;
    width: 100%;
}

.zen-search-input {
    background-color: var(--bg-hover);
    border: none;
    color: var(--text-primary);
    border-radius: 9999px;
    padding: 0.55rem 2.8rem 0.55rem 2.4rem;
    font-size: 0.88rem;
    width: 100%;
    font-weight: 500;
    transition: all 0.2s ease;
}

.zen-search-input:focus {
    background-color: var(--bg-surface);
    box-shadow: 0 0 0 2px var(--border-hover);
    outline: none;
}

.zen-search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.zen-bell-btn {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    position: relative;
    transition: all 0.2s ease;
}

.zen-bell-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.zen-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem 2.5rem 3rem 2.5rem;
}

.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
}
.custom-scrollbar::-webkit-scrollbar-track {
    background: transparent;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}

.glass-card {
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(var(--backdrop-blur, 12px));
    -webkit-backdrop-filter: blur(var(--backdrop-blur, 12px));
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius, 24px);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] .glass-card {
    background: rgba(24, 24, 27, 0.82);
}

/* ZenMod Minimal Web OS UI Components (`zenmod-os`) */
.zen-welcome-hero {
    background: var(--bg-card, rgba(255, 255, 255, 0.82));
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius, 24px);
    padding: 2rem 2.5rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
}
[data-theme="dark"] .zen-welcome-hero {
    background: rgba(24, 24, 27, 0.82);
}
.zen-welcome-title {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.035em;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}
.zen-welcome-sub {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin: 0;
}

.zen-stat-card {
    background: var(--bg-card, rgba(255, 255, 255, 0.82));
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius, 24px);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
    height: 100%;
}
[data-theme="dark"] .zen-stat-card {
    background: rgba(24, 24, 27, 0.82);
}
.zen-stat-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}
.zen-stat-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}
.zen-stat-value {
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
}

.zen-thread-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    background: var(--bg-card, rgba(255, 255, 255, 0.82));
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    margin-bottom: 0.75rem;
}
[data-theme="dark"] .zen-thread-item {
    background: rgba(24, 24, 27, 0.82);
}
.zen-thread-item:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--text-primary);
}
.zen-thread-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
    color: var(--text-secondary);
}
.zen-thread-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}
.zen-thread-meta {
    font-size: 0.78rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.zen-meta-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--border-hover);
}
.zen-upvote-box {
    text-align: right;
    margin-right: 0.75rem;
}
.zen-upvote-num {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
}
.zen-upvote-lbl {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 0;
}

.zen-filter-pill {
    padding: 0.4rem 1.1rem;
    border-radius: 9999px;
    font-size: 0.82rem;
    font-weight: 650;
    text-decoration: none;
    color: var(--text-secondary);
    transition: all 0.18s ease;
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
}
.zen-filter-pill:hover, .zen-filter-pill.active {
    background: var(--primary-color);
    color: var(--bg-main, #ffffff);
    border-color: var(--primary-color);
}

.zen-action-card {
    background: linear-gradient(135deg, #18181b 0%, #27272a 100%);
    color: #ffffff;
    border-radius: 24px;
    padding: 2rem;
    border: 1px solid rgba(255,255,255,0.1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
[data-theme="dark"] .zen-action-card {
    background: linear-gradient(135deg, #18181b 0%, #3f3f46 100%);
}
.zen-action-title {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: #ffffff;
}
.zen-action-desc {
    font-size: 0.88rem;
    color: #a1a1aa;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}
.zen-action-btn {
    display: inline-block;
    width: 100%;
    padding: 0.8rem 1.5rem;
    background: #ffffff;
    color: #18181b;
    font-weight: 750;
    border-radius: 9999px;
    transition: all 0.2s ease;
    box-shadow: 0 4px 14px rgba(255,255,255,0.15);
    text-decoration: none;
}
.zen-action-btn:hover {
    background: #f4f4f5;
    transform: translateY(-2px);
    color: #18181b;
}

.zen-question-surface {
    background: var(--bg-card, rgba(255, 255, 255, 0.82));
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}
[data-theme="dark"] .zen-question-surface {
    background: rgba(24, 24, 27, 0.82);
}
.zen-status-badge {
    padding: 0.4rem 0.95rem;
    border-radius: 9999px;
    font-size: 0.78rem;
    font-weight: 700;
    background: var(--bg-hover);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    display: inline-flex;
    align-items: center;
}
.zen-vote-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 0.25rem 0.5rem;
    font-size: 1rem;
    transition: color 0.15s ease;
    cursor: pointer;
}
.zen-vote-btn:hover {
    color: var(--text-primary);
}
.zen-vote-score {
    font-weight: 800;
    font-size: 0.95rem;
    color: var(--text-primary);
}
.zen-accepted-pill {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1rem;
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
    font-weight: 750;
    font-size: 0.85rem;
    border-radius: 12px;
    margin-bottom: 1.25rem;
    border: 1px solid rgba(16, 185, 129, 0.25);
}
.zen-health-bar {
    width: 80px;
    height: 6px;
    border-radius: 9999px;
    background: var(--bg-hover);
    overflow: hidden;
}
.zen-health-fill {
    height: 100%;
    border-radius: 9999px;
}

/* ============================================================================
   RESPONSIVE MEDIA QUERIES (FOR BOTH UPTHREAD REDDIT DASHBOARD AND ZENMOD)
   ============================================================================ */
@media (max-width: 992px) {
    .reddit-os-wrapper, .zen-os-wrapper {
        flex-direction: column;
        min-height: 100vh;
        height: auto;
    }
    .sidebar {
        position: fixed;
        inset: 0 auto 0 0;
        z-index: 1050;
        width: var(--sidebar-w, 246px);
        height: 100vh;
        transform: translateX(-100%);
        transition: transform 240ms ease;
        box-shadow: none;
        border-right: 1px solid var(--line);
        background: var(--surface);
    }
    .zen-sidebar {
        position: fixed;
        inset: 0 auto 0 0;
        z-index: 1050;
        width: 80px;
        height: 100vh;
        transform: translateX(-100%);
        transition: transform 240ms ease;
        box-shadow: none;
        border-right: 1px solid var(--border-color);
        background: var(--sidebar-bg);
    }
    body.sidebar-open .sidebar,
    body.sidebar-open .zen-sidebar {
        transform: translateX(0);
        box-shadow: 0 0 40px rgba(0, 0, 0, 0.45);
    }
    body.sidebar-open .mobile-overlay {
        display: block !important;
        opacity: 1 !important;
        pointer-events: auto !important;
    }
    .main, .zen-main {
        margin-left: 0 !important;
        width: 100% !important;
    }
    .mobile-menu {
        display: inline-grid !important;
    }
    .topbar, .zen-header {
        padding: 0 16px;
        height: 65px;
    }
    .page, .zen-content {
        padding: 16px;
    }
}

@media (max-width: 576px) {
    .global-search, .zen-search-box {
        display: none;
    }
    .topbar-left h2, .zen-header-title {
        font-size: 15px;
    }
}

/* ============================================================================
   UNIVERSAL DARK/LIGHT THEME BRIDGE — COMPLETE FIX
   Fixes every Bootstrap utility class across all 3 layouts and both themes
   ============================================================================ */

/* --- .bg-surface: Used on every standard-nav card but was never defined --- */
.bg-surface {
    background-color: var(--bg-surface, var(--surface, #ffffff)) !important;
    color: var(--text, #18181b) !important;
}
[data-theme="dark"] .bg-surface {
    background-color: var(--bg-surface, #121215) !important;
    color: var(--text, #f4f4f5) !important;
}

/* --- .text-dark: Must become light text in dark mode --- */
[data-theme="dark"] .text-dark {
    color: var(--text, #f4f4f5) !important;
}

/* --- .text-white: Must become dark text in light mode --- */
[data-theme="light"] .text-white {
    color: var(--text, #18181b) !important;
}
/* Exception: text-white inside brand/accent buttons should stay white */
[data-theme="light"] .btn-primary-reddit .text-white,
[data-theme="light"] .btn-primary .text-white,
[data-theme="light"] .btn-success .text-white,
[data-theme="light"] .btn-danger .text-white,
[data-theme="light"] .btn-warning .text-white,
[data-theme="light"] .bg-primary .text-white,
[data-theme="light"] .bg-success .text-white,
[data-theme="light"] .bg-danger .text-white,
[data-theme="light"] .bg-info .text-white,
[data-theme="light"] .brand-mark .text-white,
[data-theme="light"] .zen-logo-box .text-white,
[data-theme="light"] .zen-action-card .text-white,
[data-theme="light"] .toast .text-white {
    color: #ffffff !important;
}

/* --- .bg-dark: Light mode uses surface, dark mode uses surface-3 --- */
[data-theme="light"] .bg-dark {
    background-color: var(--surface-2, #fafafa) !important;
    color: var(--text, #18181b) !important;
}
[data-theme="dark"] .bg-dark {
    background-color: var(--surface-3, #222329) !important;
    color: var(--text, #f4f4f5) !important;
}

/* --- .bg-light: Dark mode uses surface-2 --- */
[data-theme="dark"] .bg-light {
    background-color: var(--surface-2, #1b1c20) !important;
    color: var(--text, #f4f4f5) !important;
}

/* --- Bootstrap .card: Standard-nav uses .card extensively --- */
[data-theme="dark"] .card {
    background-color: var(--surface, #17181b) !important;
    border-color: var(--line, #292a2f) !important;
    color: var(--text, #f4f4f5) !important;
}
[data-theme="dark"] .card .card-header,
[data-theme="dark"] .card .card-footer {
    background-color: var(--surface-2, #1b1c20) !important;
    border-color: var(--line, #292a2f) !important;
    color: var(--text, #f4f4f5) !important;
}

/* --- .btn-outline-secondary: Dark mode --- */
[data-theme="dark"] .btn-outline-secondary {
    border-color: var(--line-strong, #35363d) !important;
    color: var(--text, #f4f4f5) !important;
    background: transparent !important;
}
[data-theme="dark"] .btn-outline-secondary:hover {
    background-color: var(--surface-2, #1b1c20) !important;
    border-color: var(--muted, #a1a1aa) !important;
    color: var(--text, #ffffff) !important;
}

/* --- .btn-outline-* variants: Dark mode --- */
[data-theme="dark"] .btn-outline-danger {
    border-color: var(--red, #dc3e42) !important;
    color: #f87171 !important;
}
[data-theme="dark"] .btn-outline-primary {
    border-color: var(--blue, #2775e8) !important;
    color: #60a5fa !important;
}
[data-theme="dark"] .btn-outline-success {
    border-color: var(--green, #139c67) !important;
    color: #34d399 !important;
}
[data-theme="dark"] .btn-outline-warning {
    border-color: var(--amber, #b77900) !important;
    color: #fbbf24 !important;
}

/* --- Shadows: Reduce in dark mode --- */
[data-theme="dark"] .shadow-sm {
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.4) !important;
}
[data-theme="dark"] .shadow {
    box-shadow: 0 2px 8px 0 rgba(0, 0, 0, 0.5) !important;
}

/* --- Navbar: Dark mode --- */
[data-theme="dark"] .navbar-custom,
[data-theme="dark"] .navbar {
    background-color: var(--surface, #17181b) !important;
    border-color: var(--line, #292a2f) !important;
}
[data-theme="dark"] .navbar .nav-link {
    color: var(--muted, #a1a1aa) !important;
}
[data-theme="dark"] .navbar .nav-link.active,
[data-theme="dark"] .navbar .nav-link.text-primary {
    color: var(--brand, #ff5e2e) !important;
}

/* --- Badge text colors --- */
[data-theme="dark"] .badge.bg-warning { color: #18181b !important; }
[data-theme="dark"] .badge.bg-info { color: #18181b !important; }
[data-theme="dark"] .badge.bg-light {
    color: var(--text, #f4f4f5) !important;
    background-color: var(--surface-3, #222329) !important;
}
[data-theme="light"] .badge.bg-warning { color: #18181b !important; }
[data-theme="light"] .badge.bg-info { color: #18181b !important; }

/* --- Alert / Flash messages: Dark mode --- */
[data-theme="dark"] .alert-success {
    background-color: var(--green-soft, #132c23) !important;
    border-color: var(--green, #139c67) !important;
    color: #34d399 !important;
}
[data-theme="dark"] .alert-danger {
    background-color: var(--red-soft, #32191b) !important;
    border-color: var(--red, #dc3e42) !important;
    color: #f87171 !important;
}
[data-theme="dark"] .alert-warning {
    background-color: var(--amber-soft, #322b17) !important;
    border-color: var(--amber, #b77900) !important;
    color: #fbbf24 !important;
}
[data-theme="dark"] .alert-info {
    background-color: var(--blue-soft, #18283d) !important;
    border-color: var(--blue, #2775e8) !important;
    color: #60a5fa !important;
}

/* --- Colored borders: Dark mode --- */
[data-theme="dark"] .border-warning { border-color: var(--amber, #b77900) !important; }
[data-theme="dark"] .border-info { border-color: var(--blue, #2775e8) !important; }
[data-theme="dark"] .border-success { border-color: var(--green, #139c67) !important; }
[data-theme="dark"] .border-danger { border-color: var(--red, #dc3e42) !important; }

/* --- Colored text: Dark mode visibility --- */
[data-theme="dark"] .text-warning { color: #fbbf24 !important; }
[data-theme="dark"] .text-info { color: #60a5fa !important; }
[data-theme="dark"] .text-success { color: #34d399 !important; }
[data-theme="dark"] .text-danger { color: #f87171 !important; }
[data-theme="dark"] .text-primary { color: #60a5fa !important; }

/* --- Progress bars: Dark mode --- */
[data-theme="dark"] .progress {
    background-color: var(--surface-3, #222329) !important;
}

/* --- Background opacity utilities: Dark mode --- */
[data-theme="dark"] .bg-warning.bg-opacity-10,
[data-theme="dark"] .bg-warning.bg-opacity-25 {
    background-color: rgba(183, 121, 0, 0.15) !important;
}
[data-theme="dark"] .bg-info.bg-opacity-10,
[data-theme="dark"] .bg-info.bg-opacity-25 {
    background-color: rgba(39, 117, 232, 0.15) !important;
}
[data-theme="dark"] .bg-success.bg-opacity-10,
[data-theme="dark"] .bg-success.bg-opacity-25 {
    background-color: rgba(19, 156, 103, 0.15) !important;
}
[data-theme="dark"] .bg-danger.bg-opacity-10,
[data-theme="dark"] .bg-danger.bg-opacity-25 {
    background-color: rgba(220, 62, 66, 0.15) !important;
}
[data-theme="dark"] .bg-primary.bg-opacity-10,
[data-theme="dark"] .bg-primary.bg-opacity-25 {
    background-color: rgba(255, 94, 46, 0.15) !important;
}
[data-theme="dark"] .bg-secondary.bg-opacity-10,
[data-theme="dark"] .bg-secondary.bg-opacity-25 {
    background-color: var(--surface-3, #222329) !important;
    color: var(--text, #f4f4f5) !important;
}

/* --- Pagination: Dark mode --- */
[data-theme="dark"] .page-link {
    background-color: var(--surface, #17181b) !important;
    border-color: var(--line, #292a2f) !important;
    color: var(--text, #f4f4f5) !important;
}
[data-theme="dark"] .page-item.active .page-link {
    background-color: var(--brand, #ff5e2e) !important;
    border-color: var(--brand, #ff5e2e) !important;
    color: #ffffff !important;
}

/* --- Form elements: Dark mode --- */
[data-theme="dark"] .form-text {
    color: var(--muted-2, #71717a) !important;
}
[data-theme="dark"] .form-label {
    color: var(--text, #f4f4f5) !important;
}
[data-theme="dark"] .form-check-input {
    background-color: var(--surface-2, #1b1c20) !important;
    border-color: var(--line-strong, #35363d) !important;
}
[data-theme="dark"] .form-check-input:checked {
    background-color: var(--brand, #ff5e2e) !important;
    border-color: var(--brand, #ff5e2e) !important;
}

/* --- Accordion: Dark mode --- */
[data-theme="dark"] .accordion-item {
    background-color: var(--surface, #17181b) !important;
    border-color: var(--line, #292a2f) !important;
}
[data-theme="dark"] .accordion-button {
    background-color: var(--surface-2, #1b1c20) !important;
    color: var(--text, #f4f4f5) !important;
}
[data-theme="dark"] .accordion-button:not(.collapsed) {
    background-color: var(--brand-soft, #3b1c13) !important;
    color: var(--brand, #ff5e2e) !important;
}
[data-theme="dark"] .accordion-body {
    background-color: var(--surface, #17181b) !important;
    color: var(--text, #f4f4f5) !important;
}

/* --- Footer: Dark mode --- */
[data-theme="dark"] footer {
    background-color: var(--surface, #17181b) !important;
    border-color: var(--line, #292a2f) !important;
    color: var(--muted, #a1a1aa) !important;
}
[data-theme="dark"] footer a,
[data-theme="dark"] footer .text-muted {
    color: var(--muted, #a1a1aa) !important;
}

/* --- .btn-close: Dark mode --- */
[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* --- Ensure headings always use theme color --- */
h1, h2, h3, h4, h5, h6 { color: var(--text); }