/* ═══════════════════════════════════════════════
   CHECK IN — Design System
   Premium Dark Theme + Glassmorphism
   ═══════════════════════════════════════════════ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── CSS Variables (Dynamic — overridden by Firestore branding) ── */
:root {
    /* Primary — configurable from admin */
    --primary: #7c3aed;
    --primary-light: #a78bfa;
    --primary-dark: #5b21b6;
    --primary-glow: rgba(124, 58, 237, 0.25);
    --primary-gradient: linear-gradient(135deg, #7c3aed, #a78bfa);

    /* Background */
    --bg-base: #0a0a1a;
    --bg-surface: #12122a;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-glass: rgba(255, 255, 255, 0.06);
    --bg-glass-hover: rgba(255, 255, 255, 0.10);
    --bg-input: rgba(255, 255, 255, 0.08);

    /* Border */
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-hover: rgba(255, 255, 255, 0.15);
    --border-focus: var(--primary);

    /* Text */
    --text-primary: #f0f0f5;
    --text-secondary: #9090a8;
    --text-muted: #606078;
    --text-inverse: #0a0a1a;

    /* Status colors */
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.25);
    --warning: #f59e0b;
    --warning-glow: rgba(245, 158, 11, 0.25);
    --danger: #ef4444;
    --danger-glow: rgba(239, 68, 68, 0.25);
    --info: #3b82f6;
    --info-glow: rgba(59, 130, 246, 0.25);

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--primary-glow);
    --shadow-glow-lg: 0 0 40px var(--primary-glow);

    /* Animation */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);

    /* Layout */
    --max-width: 480px;
    --max-width-lg: 960px;
    --header-height: 60px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ── Animated Background ── */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 20%, var(--primary-glow) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
    animation: bgFloat 20s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(-2%, -2%) rotate(1deg); }
    66% { transform: translate(2%, 1%) rotate(-1deg); }
}

/* ── App Container ── */
.app-container {
    position: relative;
    z-index: 1;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-md);
    padding-bottom: 100px;
    min-height: 100vh;
}

.app-container.wide {
    max-width: var(--max-width-lg);
}

/* ── Header ── */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) 0;
    margin-bottom: var(--space-lg);
}

.app-header .app-logo {
    height: 36px;
    width: 36px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.app-header .app-title {
    font-size: 1.4rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.app-header .header-actions {
    display: flex;
    gap: var(--space-sm);
}

/* ── Page Title ── */
.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    letter-spacing: -0.02em;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--space-lg);
}

/* ── Glass Card ── */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-normal);
}

.glass-card:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-glass-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.glass-card.no-hover:hover {
    transform: none;
    box-shadow: none;
}

.glass-card.glow {
    box-shadow: var(--shadow-glow);
}

.glass-card.glow:hover {
    box-shadow: var(--shadow-glow-lg);
}

/* ── Menu Card (Clickable) ── */
.menu-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    color: inherit;
}

.menu-card:hover {
    background: var(--bg-glass-hover);
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.menu-card:active {
    transform: translateY(0);
}

.menu-card .menu-icon {
    font-size: 2rem;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--primary-glow);
    flex-shrink: 0;
}

.menu-card .menu-info h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.menu-card .menu-info p {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

/* ── Menu Grid ── */
.menu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.menu-grid .menu-card {
    flex-direction: column;
    text-align: center;
    padding: var(--space-lg) var(--space-md);
}

.menu-grid .menu-card .menu-icon {
    margin-bottom: var(--space-xs);
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    line-height: 1;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-glass-hover);
}

.btn-success {
    background: linear-gradient(135deg, #10b981, #34d399);
    color: white;
    box-shadow: 0 4px 12px var(--success-glow);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #f87171);
    color: white;
    box-shadow: 0 4px 12px var(--danger-glow);
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    color: var(--text-inverse);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 8px 16px;
}

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

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.82rem;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ── Form Elements ── */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: rgba(255, 255, 255, 0.10);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239090a8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-select option {
    background: var(--bg-surface);
    color: var(--text-primary);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.form-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Color picker */
.form-color {
    width: 48px;
    height: 48px;
    border: 2px solid var(--border-glass);
    border-radius: var(--radius-md);
    cursor: pointer;
    padding: 2px;
    background: transparent;
}

.form-color::-webkit-color-swatch-wrapper { padding: 0; }
.form-color::-webkit-color-swatch { border: none; border-radius: 6px; }

/* ── Toggle Switch ── */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--bg-input);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-normal);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 20px;
    width: 20px;
    left: 2px;
    top: 2px;
    background: var(--text-secondary);
    border-radius: 50%;
    transition: var(--transition-normal);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--primary);
    border-color: var(--primary);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(22px);
    background: white;
}

.toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
}

.toggle-row .toggle-label {
    font-size: 0.9rem;
    font-weight: 500;
}

.toggle-row .toggle-desc {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ── Badge ── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
}

.badge-morning {
    background: rgba(251, 191, 36, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.badge-afternoon {
    background: rgba(251, 146, 60, 0.15);
    color: #fb923c;
    border: 1px solid rgba(251, 146, 60, 0.3);
}

.badge-night {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-info {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-pending {
    background: rgba(156, 163, 175, 0.15);
    color: #9ca3af;
    border: 1px solid rgba(156, 163, 175, 0.3);
}

.badge-fulltime {
    background: rgba(124, 58, 237, 0.15);
    color: #a78bfa;
    border: 1px solid rgba(124, 58, 237, 0.3);
}

.badge-parttime {
    background: rgba(6, 182, 212, 0.15);
    color: #22d3ee;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

/* ── Table ── */
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.85rem;
}

.data-table thead th {
    background: var(--bg-glass);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-glass);
    position: sticky;
    top: 0;
    z-index: 5;
}

.data-table tbody tr {
    transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
    background: var(--bg-glass);
}

.data-table tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    vertical-align: middle;
}

/* ── Tabs ── */
.tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-glass);
    padding: 4px;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    overflow-x: auto;
}

.tab-btn {
    flex: 1;
    padding: 10px 16px;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.tab-btn.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 8px var(--primary-glow);
}

.tab-btn:hover:not(.active) {
    color: var(--text-primary);
    background: var(--bg-glass-hover);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeInUp 0.3s ease;
}

/* ── Modal ── */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
}

.modal-overlay.active {
    display: flex;
    animation: fadeIn 0.2s ease;
}

.modal-content {
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    max-width: 420px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.modal-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--bg-glass);
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--danger);
    color: white;
}

.modal-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

/* ── Alert / Toast ── */
.alert {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #fbbf24;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #60a5fa;
}

.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 12px 24px;
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-size: 0.9rem;
    z-index: 2000;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    max-width: 90%;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

/* ── Section ── */
.section {
    margin-bottom: var(--space-xl);
}

.section-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* ── Empty State ── */
.empty-state {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

.empty-state p {
    font-size: 0.9rem;
}

/* ── Loading ── */
.loading-spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-glass);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 26, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    gap: var(--space-md);
}

.loading-overlay .loading-spinner {
    width: 40px;
    height: 40px;
}

/* ── Shift Card ── */
.shift-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    transition: all var(--transition-fast);
}

.shift-card:hover {
    border-color: var(--border-glass-hover);
}

.shift-card .shift-info {
    flex: 1;
}

.shift-card .shift-name {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.shift-card .shift-time {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.shift-card .shift-actions {
    display: flex;
    gap: var(--space-xs);
}

/* ── Status Dot ── */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 6px;
}

.status-dot.online { background: var(--success); box-shadow: 0 0 6px var(--success-glow); }
.status-dot.offline { background: var(--text-muted); }
.status-dot.warning { background: var(--warning); box-shadow: 0 0 6px var(--warning-glow); }

/* ── Footer ── */
.app-footer {
    text-align: center;
    padding: var(--space-xl) 0 var(--space-md);
    color: var(--text-muted);
    font-size: 0.75rem;
}

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

/* ── Back Button ── */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: var(--space-lg);
    transition: color var(--transition-fast);
    cursor: pointer;
    background: none;
    border: none;
    font-family: 'Inter', sans-serif;
}

.back-btn:hover {
    color: var(--primary-light);
}

/* ── Stat Card (Dashboard) ── */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.stat-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    text-align: center;
}

.stat-card .stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-card .stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 4px;
}

/* ── Divider ── */
.divider {
    border: none;
    border-top: 1px solid var(--border-glass);
    margin: var(--space-lg) 0;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-glass);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ── Video / Camera ── */
.camera-container {
    position: relative;
    width: 100%;
    max-width: 360px;
    margin: 0 auto;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 2px solid var(--border-glass);
    box-shadow: var(--shadow-glow);
}

.camera-container video {
    width: 100%;
    display: block;
    border-radius: var(--radius-xl);
}

.camera-container canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.camera-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-md);
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: white;
    font-size: 0.85rem;
}

/* ── Animations ── */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-in {
    animation: fadeInUp 0.4s ease forwards;
}

.animate-in:nth-child(1) { animation-delay: 0.05s; }
.animate-in:nth-child(2) { animation-delay: 0.1s; }
.animate-in:nth-child(3) { animation-delay: 0.15s; }
.animate-in:nth-child(4) { animation-delay: 0.2s; }
.animate-in:nth-child(5) { animation-delay: 0.25s; }
.animate-in:nth-child(6) { animation-delay: 0.3s; }

/* Stagger children */
.stagger > * {
    opacity: 0;
    animation: fadeInUp 0.4s ease forwards;
}

.stagger > *:nth-child(1) { animation-delay: 0.05s; }
.stagger > *:nth-child(2) { animation-delay: 0.1s; }
.stagger > *:nth-child(3) { animation-delay: 0.15s; }
.stagger > *:nth-child(4) { animation-delay: 0.2s; }
.stagger > *:nth-child(5) { animation-delay: 0.25s; }
.stagger > *:nth-child(6) { animation-delay: 0.3s; }
.stagger > *:nth-child(7) { animation-delay: 0.35s; }
.stagger > *:nth-child(8) { animation-delay: 0.4s; }

/* ── Responsive ── */
@media (max-width: 400px) {
    .menu-grid {
        grid-template-columns: 1fr;
    }

    .stat-cards {
        grid-template-columns: 1fr;
    }

    .modal-content {
        padding: var(--space-lg);
    }
}

/* ── Utility Classes ── */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.78rem; }
.text-muted { color: var(--text-secondary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.font-bold { font-weight: 700; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.d-flex { display: flex; }
.d-grid { display: grid; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.hidden { display: none !important; }
.w-full { width: 100%; }
.overflow-auto { overflow: auto; }
.relative { position: relative; }