/* ============================================================
   Riverside Event Experience System — Main Stylesheet
   ============================================================
   Elegant wedding venue management platform.
   CSS custom properties for theming.
   Tailwind CSS v4 CDN handles utility classes;
   this file covers component-specific styling.
   ============================================================ */

/* ------------------------------------------------------------
   1. Design Tokens
   ------------------------------------------------------------ */
:root {
    --color-module-a: #8B2252;
    --color-module-b: #B8860B;
    --color-module-c: #5B8C5A;
    --color-module-d: #1B3A5C;
    --color-module-e: #7B5EA7;

    --color-dark: #1a1a2e;
    --color-dark-light: #252542;
    --color-light-bg: #f8f7f5;
    --color-card-bg: #ffffff;

    --color-accent: #c9a84c;
    --color-accent-hover: #b8933b;

    --color-text: #2d2d2d;
    --color-text-secondary: #6b7280;
    --color-text-inverse: #ffffff;
    --color-border: #e8e5e0;

    --sidebar-width: 260px;

    --transition-fast: 0.18s ease;
    --transition-base: 0.25s ease;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
}

/* ------------------------------------------------------------
   2. Base Reset
   ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--color-text);
    background: var(--color-light-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ------------------------------------------------------------
   3. Sidebar (#app-sidebar)
   ------------------------------------------------------------ */
#app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--color-dark);
    color: var(--color-text-inverse);
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow-y: auto;
    overflow-x: hidden;
    transition: transform var(--transition-base);
}

.sidebar-logo {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-logo-link {
    display: block;
    text-decoration: none;
    color: inherit;
}
.sidebar-logo-text {
    display: block;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: #fff;
}
.sidebar-logo-subtitle {
    display: block;
    font-size: 0.7rem;
    color: rgba(255,255,255,0.45);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-top: 2px;
}

.sidebar-nav { flex: 1; padding: 8px 0; }

/* Dashboard link */
.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
    transition: background var(--transition-fast), color var(--transition-fast);
}
.sidebar-link:hover { background: rgba(255,255,255,0.06); color: #fff; }
.sidebar-link.active { background: rgba(255,255,255,0.1); color: #fff; font-weight: 600; }

/* Module sections */
.sidebar-module { margin: 2px 0; }

.sidebar-module-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: color var(--transition-fast);
    user-select: none;
    border-left: 3px solid transparent;
}
.sidebar-module-header:hover { color: rgba(255,255,255,0.8); }

/* Module color borders */
.module-color-a .sidebar-module-header { border-left-color: var(--color-module-a); }
.module-color-b .sidebar-module-header { border-left-color: var(--color-module-b); }
.module-color-c .sidebar-module-header { border-left-color: var(--color-module-c); }
.module-color-d .sidebar-module-header { border-left-color: var(--color-module-d); }
.module-color-e .sidebar-module-header { border-left-color: var(--color-module-e); }

.sidebar-module-icon { font-size: 1rem; }
.sidebar-module-name { flex: 1; }
.sidebar-module-chevron {
    font-size: 0.65rem;
    transition: transform var(--transition-fast);
}
.sidebar-module.collapsed .sidebar-module-chevron { transform: rotate(-90deg); }

/* Feature list */
.sidebar-feature-list {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 500px;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
.sidebar-module.collapsed .sidebar-feature-list { max-height: 0; }

.sidebar-feature-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 20px 6px 34px;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
    transition: color var(--transition-fast), background var(--transition-fast);
}
.sidebar-feature-link:hover { color: #fff; background: rgba(255,255,255,0.04); }
.sidebar-feature-link.active { color: var(--color-accent); font-weight: 600; }

.sidebar-feature-id {
    font-size: 0.7rem;
    font-weight: 600;
    min-width: 22px;
    opacity: 0.6;
}

/* Sidebar backdrop (mobile) */
.sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
    opacity: 0;
    transition: opacity var(--transition-base);
}
.sidebar-backdrop.sidebar-backdrop-visible { opacity: 1; }

/* ------------------------------------------------------------
   4. Header (#app-header)
   ------------------------------------------------------------ */
#app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 32px;
    background: var(--color-card-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}
.header-right a {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}
.header-right a:hover { color: var(--color-accent); }

.header-status-link {
    display: flex;
    align-items: center;
    gap: 6px;
}
.header-status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22c55e;
}

/* Sidebar toggle (mobile) */
.sidebar-toggle {
    display: none;
    border: none;
    background: none;
    cursor: pointer;
    padding: 4px;
    flex-direction: column;
    gap: 4px;
}
.sidebar-toggle-bar {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
}

/* ------------------------------------------------------------
   5. Footer (#app-footer)
   ------------------------------------------------------------ */
#app-footer {
    text-align: center;
    padding: 24px 32px;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    border-top: 1px solid var(--color-border);
    margin-top: 40px;
}

/* ------------------------------------------------------------
   6. Main Content
   ------------------------------------------------------------ */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    background: var(--color-light-bg);
}

/* ------------------------------------------------------------
   7. Feature Badges
   ------------------------------------------------------------ */
.feature-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 30px;
    height: 22px;
    padding: 0 7px;
    border-radius: var(--radius-full);
    font-size: 0.65rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.02em;
}
.feature-badge-a { background: var(--color-module-a); }
.feature-badge-b { background: var(--color-module-b); }
.feature-badge-c { background: var(--color-module-c); }
.feature-badge-d { background: var(--color-module-d); }
.feature-badge-e { background: var(--color-module-e); }

/* ------------------------------------------------------------
   8. Module Tags
   ------------------------------------------------------------ */
.module-tag {
    display: inline-block;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 0.65rem;
    font-weight: 600;
    color: #fff;
}
.module-tag-a { background: var(--color-module-a); }
.module-tag-b { background: var(--color-module-b); }
.module-tag-c { background: var(--color-module-c); }
.module-tag-d { background: var(--color-module-d); }
.module-tag-e { background: var(--color-module-e); }

/* ------------------------------------------------------------
   9. Importance Badges
   ------------------------------------------------------------ */
.importance-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 0.65rem;
    font-weight: 600;
}
.importance-core { background: rgba(139,34,82,0.1); color: var(--color-module-a); }
.importance-high { background: rgba(184,134,11,0.1); color: var(--color-module-b); }
.importance-medium { background: rgba(107,114,128,0.08); color: var(--color-text-secondary); }

/* ------------------------------------------------------------
   10. Tech Pills
   ------------------------------------------------------------ */
.tech-pill {
    display: inline-block;
    padding: 1px 8px;
    border-radius: var(--radius-full);
    font-size: 0.6rem;
    font-weight: 500;
    background: rgba(0,0,0,0.03);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

/* ------------------------------------------------------------
   11. Feature Cards
   ------------------------------------------------------------ */
.feature-card {
    display: block;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
    cursor: pointer;
}
.feature-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.feature-card-a { border-left-color: var(--color-module-a); }
.feature-card-b { border-left-color: var(--color-module-b); }
.feature-card-c { border-left-color: var(--color-module-c); }
.feature-card-d { border-left-color: var(--color-module-d); }
.feature-card-e { border-left-color: var(--color-module-e); }

/* line-clamp utility */
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ------------------------------------------------------------
   12. Module Cards (Dashboard + Landing)
   ------------------------------------------------------------ */
.module-card {
    border-radius: var(--radius-lg);
    padding: 24px;
    color: #fff;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    cursor: default;
}
.module-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.module-card-a { background: var(--color-module-a); }
.module-card-b { background: var(--color-module-b); }
.module-card-c { background: var(--color-module-c); }
.module-card-d { background: var(--color-module-d); }
.module-card-e { background: var(--color-module-e); }

/* ------------------------------------------------------------
   13. Module Section Headers (Landing feature grid)
   ------------------------------------------------------------ */
.module-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--color-card-bg);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-border);
}
.module-section-header-a { border-left: 4px solid var(--color-module-a); }
.module-section-header-b { border-left: 4px solid var(--color-module-b); }
.module-section-header-c { border-left: 4px solid var(--color-module-c); }
.module-section-header-d { border-left: 4px solid var(--color-module-d); }
.module-section-header-e { border-left: 4px solid var(--color-module-e); }

/* ------------------------------------------------------------
   14. Accordion (Sub-features on feature pages)
   ------------------------------------------------------------ */
.accordion-item {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
    overflow: hidden;
}
.accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    cursor: pointer;
    user-select: none;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    transition: background var(--transition-fast);
}
.accordion-header:hover { background: rgba(0,0,0,0.02); }

.accordion-chevron {
    transition: transform var(--transition-fast);
    color: var(--color-text-secondary);
    font-size: 0.7rem;
}
.accordion-item.accordion-open .accordion-chevron { transform: rotate(90deg); }

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding: 0 20px;
}
.accordion-item.accordion-open .accordion-body {
    max-height: 800px;
    padding: 0 20px 16px;
}

/* Example block inside accordion */
.accordion-example {
    background: rgba(139,34,82,0.04);
    border-left: 3px solid var(--color-module-a);
    padding: 12px 16px;
    margin-top: 10px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    white-space: pre-line;
    line-height: 1.6;
}
.accordion-example-label {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-module-a);
    margin-bottom: 6px;
}

/* ------------------------------------------------------------
   15. Data Flow (Pipeline Visualization)
   ------------------------------------------------------------ */
.data-flow {
    display: flex;
    align-items: center;
    overflow-x: auto;
    padding: 16px 0;
    gap: 0;
}
.data-flow-box {
    padding: 8px 16px;
    background: var(--color-dark);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    color: #fff;
    white-space: nowrap;
    flex-shrink: 0;
}
.data-flow-arrow {
    padding: 0 8px;
    color: var(--color-accent);
    font-size: 0.85rem;
    flex-shrink: 0;
}

/* ------------------------------------------------------------
   16. Buttons
   ------------------------------------------------------------ */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 24px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    background: var(--color-accent);
    color: #fff;
    border: 2px solid var(--color-accent);
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    text-decoration: none;
}
.btn-primary:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 24px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.3);
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast);
    text-decoration: none;
}
.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
}

/* ------------------------------------------------------------
   17. Description Card (Feature pages)
   ------------------------------------------------------------ */
.description-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 24px;
}

/* ------------------------------------------------------------
   18. Demo CTA Card
   ------------------------------------------------------------ */
.demo-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background: var(--color-dark);
    color: var(--color-text-inverse);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    transition: box-shadow var(--transition-base);
    text-decoration: none;
}
.demo-cta:hover { box-shadow: var(--shadow-lg); }

/* ------------------------------------------------------------
   19. Stats Cards (Landing page)
   ------------------------------------------------------------ */
.stats-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

/* ------------------------------------------------------------
   20. Tech Stack Cards (Landing page)
   ------------------------------------------------------------ */
.tech-stack-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.tech-stack-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

/* ------------------------------------------------------------
   21. Live Dot (animated)
   ------------------------------------------------------------ */
.live-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22c55e;
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.5); }
    50% { box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}

/* ------------------------------------------------------------
   22. Landing Page — Navigation
   ------------------------------------------------------------ */
.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    height: 64px;
    background: rgba(26,26,46,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background var(--transition-base), box-shadow var(--transition-base);
}
.landing-nav.scrolled {
    background: rgba(26,26,46,0.98);
    box-shadow: 0 2px 16px rgba(0,0,0,0.15);
}

/* Landing nav links */
.landing-nav a {
    color: rgba(255,255,255,0.85);
    transition: color var(--transition-fast);
}
.landing-nav a:hover {
    color: #fff;
}

/* Mobile menu (landing) */
.mobile-menu.active {
    display: block !important;
}

/* ------------------------------------------------------------
   23. Landing Page — Hero Section
   ------------------------------------------------------------ */
.hero-section {
    background: var(--color-dark);
    color: var(--color-text-inverse);
    padding: 140px 24px 100px;
}

/* ------------------------------------------------------------
   24. Landing Page — Footer
   ------------------------------------------------------------ */
.landing-footer {
    background: var(--color-dark);
    color: rgba(255,255,255,0.5);
}

/* ------------------------------------------------------------
   25. Scroll Reveal Animation
   ------------------------------------------------------------ */
[data-reveal] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ------------------------------------------------------------
   26. Responsive — Tablet (< 1024px)
   ------------------------------------------------------------ */
@media (max-width: 1023px) {
    #app-sidebar { transform: translateX(-100%); }
    #app-sidebar.sidebar-open { transform: translateX(0); }

    .sidebar-toggle { display: flex; }

    .main-content { margin-left: 0; }

    #app-header { padding: 14px 20px; }

    .hero-section { padding: 120px 20px 80px; }
}

/* ------------------------------------------------------------
   27. Responsive — Mobile (< 640px)
   ------------------------------------------------------------ */
@media (max-width: 639px) {
    .hero-section { padding: 100px 16px 60px; }
    .hero-section h1 { font-size: 1.75rem !important; }

    .demo-cta { flex-direction: column; text-align: center; }

    #app-header {
        padding: 10px 12px;
        gap: 8px;
    }

    .header-left {
        gap: 8px;
        min-width: 0;
        flex: 1;
    }

    .header-title {
        font-size: 0.75rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .sidebar-toggle {
        flex-shrink: 0;
    }

    .header-right {
        gap: 8px;
        flex-shrink: 0;
    }
    .header-right a {
        font-size: 0.72rem;
        white-space: nowrap;
    }
}

/* ------------------------------------------------------------
   28. Dashboard Page
   ------------------------------------------------------------ */
.dashboard-main {
    padding: 28px 32px;
}

/* Title bar */
.dashboard-title-bar {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 28px;
}
.dashboard-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    margin: 0;
}
.dashboard-subtitle {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin: 4px 0 0;
}
.dashboard-title-actions {
    flex-shrink: 0;
}
.dashboard-btn {
    font-size: 0.8rem;
    padding: 8px 16px;
    color: var(--color-text-secondary);
    border-color: var(--color-border);
}
.dashboard-btn:hover {
    color: var(--color-dark);
    border-color: var(--color-dark);
    background: transparent;
}

/* Stats grid */
.dashboard-stats-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
    margin-bottom: 32px;
}
.dashboard-stat-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
}
.dashboard-stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.2;
}
.dashboard-stat-label {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Sections */
.dashboard-section {
    margin-bottom: 36px;
}
.dashboard-section-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-dark);
    margin: 0 0 4px;
}
.dashboard-section-desc {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin: 0 0 20px;
}

/* Module cards grid */
.dashboard-modules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.dashboard-module-card {
    border-radius: var(--radius-lg);
    padding: 22px;
    color: #fff;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.dashboard-module-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.dashboard-module-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}
.dashboard-module-icon { font-size: 1.5rem; }
.dashboard-module-name {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
}
.dashboard-module-name-en {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.6);
}
.dashboard-module-desc {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.5;
    margin-bottom: 12px;
    flex: 1;
}
.dashboard-module-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 0.75rem;
}
.dashboard-module-count {
    background: rgba(255,255,255,0.2);
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-weight: 600;
}
.dashboard-module-core {
    background: rgba(255,255,255,0.15);
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-weight: 500;
}
.dashboard-module-features {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid rgba(255,255,255,0.15);
    padding-top: 12px;
}
.dashboard-module-features li {
    margin-bottom: 2px;
}
.dashboard-feature-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: rgba(255,255,255,0.85);
    transition: background var(--transition-fast), color var(--transition-fast);
}
.dashboard-feature-link:hover {
    background: rgba(255,255,255,0.12);
    color: #fff;
}
.dashboard-feature-id {
    font-size: 0.7rem;
    font-weight: 700;
    min-width: 24px;
    opacity: 0.65;
}
.dashboard-feature-title { flex: 1; }
.dashboard-feature-arrow {
    opacity: 0;
    transition: opacity var(--transition-fast);
    font-size: 0.75rem;
}
.dashboard-feature-link:hover .dashboard-feature-arrow { opacity: 1; }

/* Feature groups (table view) */
.dashboard-feature-group {
    margin-bottom: 8px;
}
.dashboard-feature-group-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-border);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-dark);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.dashboard-feature-group-icon { font-size: 1rem; }
.dashboard-feature-group-name { flex: 1; }
.dashboard-feature-group-count {
    font-size: 0.7rem;
    background: rgba(0,0,0,0.05);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 600;
    color: var(--color-text-secondary);
}

.dashboard-feature-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-top: none;
    transition: background var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}
.dashboard-feature-row:last-child {
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}
.dashboard-feature-row:hover {
    background: rgba(201,168,76,0.04);
}
.dashboard-feature-row-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}
.dashboard-feature-row-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.dashboard-feature-row-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.dashboard-feature-row-title-en {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
}
.dashboard-feature-row-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.dashboard-feature-row-tech {
    display: flex;
    gap: 4px;
}
.dashboard-feature-row-sub {
    font-size: 0.65rem;
    color: var(--color-text-secondary);
    min-width: 30px;
    text-align: right;
}
.dashboard-feature-row-arrow {
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    opacity: 0;
    transition: opacity var(--transition-fast);
}
.dashboard-feature-row:hover .dashboard-feature-row-arrow { opacity: 1; }

/* Roles grid */
.dashboard-roles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
.role-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: box-shadow var(--transition-base);
}
.role-card:hover { box-shadow: var(--shadow-md); }
.role-card-icon { font-size: 1.5rem; margin-bottom: 10px; }
.role-card-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-dark);
    margin: 0 0 6px;
}
.role-card-desc {
    font-size: 0.78rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* ------------------------------------------------------------
   29. Dashboard Responsive
   ------------------------------------------------------------ */
@media (max-width: 1023px) {
    .dashboard-main { padding: 20px; }

    .dashboard-stats-grid { grid-template-columns: repeat(3, 1fr); }
    .dashboard-modules-grid { grid-template-columns: repeat(2, 1fr); }
    .dashboard-roles-grid { grid-template-columns: repeat(2, 1fr); }

    .dashboard-feature-row-tech { display: none; }
}

@media (max-width: 639px) {
    .dashboard-main { padding: 16px; }

    .dashboard-title-bar { flex-direction: column; gap: 8px; }

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

    .dashboard-feature-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .dashboard-feature-row-right {
        width: 100%;
        justify-content: flex-end;
    }
    .dashboard-feature-row-tech { display: none; }
}

/* ------------------------------------------------------------
   30. Feature Detail Page
   ------------------------------------------------------------ */
.feature-page-main {
    padding: 24px 32px;
}

/* Topbar: breadcrumb + prev/next */
.feature-page-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}
.feature-page-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    flex-wrap: wrap;
}
.feature-breadcrumb-link {
    color: var(--color-accent);
    font-weight: 500;
}
.feature-breadcrumb-link:hover { text-decoration: underline; }
.feature-breadcrumb-sep { color: var(--color-border); }
.feature-breadcrumb-current { font-weight: 600; color: var(--color-dark); }

.feature-page-nav {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}
.feature-nav-btn {
    padding: 5px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    background: var(--color-card-bg);
    transition: border-color var(--transition-fast), color var(--transition-fast);
}
.feature-nav-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* Feature header — NoBoCap style */
.feature-page-header {
    margin-bottom: 28px;
}
.feature-header-title-row {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
}
.feature-header-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 36px;
    padding: 0 12px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.02em;
}
.feature-page-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-dark);
    margin: 0;
    line-height: 1.2;
}

/* Meta line: module (colored) + importance + tech pills */
.feature-header-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.feature-header-module {
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
}
.feature-header-module:hover { text-decoration: underline; }
.feature-header-module-a { color: var(--color-module-a); }
.feature-header-module-b { color: var(--color-module-b); }
.feature-header-module-c { color: var(--color-module-c); }
.feature-header-module-d { color: var(--color-module-d); }
.feature-header-module-e { color: var(--color-module-e); }

.feature-header-importance {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: var(--radius-full);
}

.feature-header-tech {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: 2px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
}

/* "What it does" card */
.feature-what-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    margin-bottom: 20px;
}
.feature-what-heading {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-dark);
    margin: 0 0 12px;
}
.feature-what-text {
    font-size: 0.92rem;
    color: var(--color-text);
    line-height: 1.7;
    margin: 0 0 6px;
}
.feature-what-text-en {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}
.feature-what-divider {
    height: 1px;
    background: var(--color-border);
    margin: 18px 0;
}
.feature-what-sub-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    margin: 0 0 8px;
}
.feature-what-sub-text {
    font-size: 0.88rem;
    color: var(--color-text);
    line-height: 1.6;
    margin: 0 0 4px;
}
.feature-what-sub-text-en {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* Demo CTA — prominent colored card */
.feature-demo-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 28px;
    border-radius: var(--radius-lg);
    margin-bottom: 8px;
    text-decoration: none;
    color: #fff;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.feature-demo-cta:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}
.feature-demo-cta-a { background: var(--color-module-a); }
.feature-demo-cta-b { background: var(--color-module-b); }
.feature-demo-cta-c { background: var(--color-module-c); }
.feature-demo-cta-d { background: var(--color-module-d); }
.feature-demo-cta-e { background: var(--color-module-e); }

.feature-demo-cta-left {
    display: flex;
    align-items: center;
    gap: 14px;
}
.feature-demo-cta-icon { font-size: 1.75rem; }
.feature-demo-cta-label {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.7);
    margin-bottom: 3px;
}
.feature-demo-cta-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
}
.feature-demo-cta-desc {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.75);
    margin-top: 2px;
}
.feature-demo-cta-arrow {
    font-size: 1.5rem;
    font-weight: 300;
    color: rgba(255,255,255,0.5);
    flex-shrink: 0;
}

/* Feature sections */
.feature-section {
    margin-top: 32px;
}
.feature-section-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-dark);
    margin: 0 0 14px;
}

/* Accordion enhancements for feature page */
.accordion-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}
.accordion-sub-id {
    font-size: 0.75rem;
    font-weight: 800;
    min-width: 32px;
}
/* Colored sub-IDs per module */
.accordion-sub-id-a { color: var(--color-module-a); }
.accordion-sub-id-b { color: var(--color-module-b); }
.accordion-sub-id-c { color: var(--color-module-c); }
.accordion-sub-id-d { color: var(--color-module-d); }
.accordion-sub-id-e { color: var(--color-module-e); }

.accordion-sub-title {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-dark);
}
.accordion-sub-desc {
    font-size: 0.88rem;
    color: var(--color-text);
    line-height: 1.7;
    margin: 0 0 6px;
}
.accordion-sub-desc-en {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin: 0 0 14px;
}

/* Colored example blocks per module */
.accordion-example-a { background: rgba(139,34,82,0.04); border-left-color: var(--color-module-a); }
.accordion-example-b { background: rgba(184,134,11,0.04); border-left-color: var(--color-module-b); }
.accordion-example-c { background: rgba(91,140,90,0.04); border-left-color: var(--color-module-c); }
.accordion-example-d { background: rgba(27,58,92,0.04); border-left-color: var(--color-module-d); }
.accordion-example-e { background: rgba(123,94,167,0.04); border-left-color: var(--color-module-e); }

.accordion-example-label-a { color: var(--color-module-a); }
.accordion-example-label-b { color: var(--color-module-b); }
.accordion-example-label-c { color: var(--color-module-c); }
.accordion-example-label-d { color: var(--color-module-d); }
.accordion-example-label-e { color: var(--color-module-e); }

.accordion-example-content {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.78rem;
    line-height: 1.7;
}

/* Bottom navigation */
.feature-page-bottom-nav {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}
.feature-bottom-nav-card {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 14px 20px;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    text-decoration: none;
    min-width: 180px;
}
.feature-bottom-nav-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-sm);
}
.feature-bottom-nav-next { text-align: right; }
.feature-bottom-nav-dir {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent);
}
.feature-bottom-nav-id {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-secondary);
}
.feature-bottom-nav-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-dark);
}

/* ------------------------------------------------------------
   31. Feature Page Responsive
   ------------------------------------------------------------ */
@media (max-width: 1023px) {
    .feature-page-main { padding: 20px; }
}

@media (max-width: 639px) {
    .feature-page-main { padding: 16px; }

    .feature-page-topbar { flex-direction: column; align-items: flex-start; }
    .feature-header-title-row { gap: 10px; }
    .feature-page-title { font-size: 1.25rem; }
    .feature-header-badge { min-width: 34px; height: 30px; font-size: 0.75rem; }

    .feature-demo-cta { flex-direction: column; text-align: center; }
    .feature-demo-cta-left { flex-direction: column; }
    .feature-demo-cta-arrow { display: none; }

    .feature-page-bottom-nav { flex-direction: column; }
    .feature-bottom-nav-next { text-align: left; }

    .feature-what-card { padding: 20px; }
}

/* ------------------------------------------------------------
   32. Status Page
   ------------------------------------------------------------ */
.status-page-main {
    padding: 28px 32px;
}

/* Title bar */
.status-title-bar {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
}
.status-title-row {
    display: flex;
    align-items: center;
    gap: 10px;
}
.status-live-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #22c55e;
    animation: pulse-dot 2s ease-in-out infinite;
}
.status-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    margin: 0;
}
.status-subtitle {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin: 4px 0 0;
}
.status-updated {
    font-size: 0.78rem;
    color: var(--color-text-secondary);
    flex-shrink: 0;
    text-align: right;
}

/* Banner */
.status-banner {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 24px;
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
}
.status-banner-operational {
    background: rgba(34,197,94,0.08);
    border: 1px solid rgba(34,197,94,0.2);
}
.status-banner-icon { font-size: 1.5rem; }
.status-banner-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #166534;
}
.status-banner-desc {
    font-size: 0.8rem;
    color: #15803d;
    margin-top: 2px;
}

/* Stats */
.status-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 28px;
}
.status-stat {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 18px;
    text-align: center;
}
.status-stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.2;
}
.status-stat-label {
    font-size: 0.72rem;
    color: var(--color-text-secondary);
    margin: 4px 0 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.status-stat-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: var(--radius-full);
}
.status-badge-ok {
    background: rgba(34,197,94,0.1);
    color: #166534;
    font-size: 0.72rem;
    font-weight: 600;
}

/* Module status cards */
.status-module-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: 12px;
    overflow: hidden;
}
.status-module-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
}
.status-module-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}
.status-module-icon { font-size: 1.25rem; }
.status-module-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-dark);
    margin: 0;
}
.status-module-name-en {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    margin: 0;
}

.status-module-features {
    padding: 4px 0;
}
.status-feature-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 20px;
    transition: background var(--transition-fast);
}
.status-feature-row:hover {
    background: rgba(0,0,0,0.015);
}
.status-feature-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}
.status-feature-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.status-feature-name {
    font-size: 0.83rem;
    font-weight: 600;
    color: var(--color-dark);
    text-decoration: none;
}
.status-feature-name:hover {
    color: var(--color-accent);
}
.status-feature-meta {
    font-size: 0.68rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.status-feature-right {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}
.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
}
.status-dot-ok { background: #22c55e; }
.status-feature-status {
    font-size: 0.72rem;
    font-weight: 600;
    color: #166534;
}

/* System info */
.status-section {
    margin-top: 28px;
}
.status-section-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-dark);
    margin: 0 0 14px;
}
.status-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.status-info-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 14px 18px;
}
.status-info-label {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}
.status-info-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-dark);
}

/* ------------------------------------------------------------
   33. Status Page Responsive
   ------------------------------------------------------------ */
@media (max-width: 1023px) {
    .status-page-main { padding: 20px; }
    .status-stats-grid { grid-template-columns: repeat(2, 1fr); }
    .status-info-grid { grid-template-columns: repeat(2, 1fr); }
    .status-feature-meta { display: none; }
}

@media (max-width: 639px) {
    .status-page-main { padding: 16px; }
    .status-title-bar { flex-direction: column; }
    .status-updated { text-align: left; }
    .status-stats-grid { grid-template-columns: repeat(2, 1fr); }
    .status-info-grid { grid-template-columns: 1fr; }
    .status-module-header { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* ------------------------------------------------------------
   34. Print Styles
   ------------------------------------------------------------ */
@media print {
    #app-sidebar, .sidebar-backdrop, .sidebar-toggle, .landing-nav { display: none !important; }
    .main-content { margin-left: 0 !important; }
}