/* RestaurantCMS Admin Panel - Modern 2026 Design */
/* ================================================ */

:root {
    /* Light Theme */
    --bg-primary: #f8f9fb;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f3f9;
    --bg-sidebar: #ffffff;
    --bg-hover: #f1f3f9;
    --bg-active: #eff2ff;
    --bg-input: #ffffff;
    --border-color: #e2e5f1;
    --border-light: #eef0f6;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --text-sidebar: #374151;
    --text-sidebar-active: #4f46e5;
    --accent: #4f46e5;
    --accent-hover: #4338ca;
    --accent-light: #eff2ff;
    --accent-text: #ffffff;
    --success: #10b981;
    --success-bg: #ecfdf5;
    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    --danger: #ef4444;
    --danger-bg: #fef2f2;
    --info: #3b82f6;
    --info-bg: #eff6ff;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.08);
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --sidebar-width: 270px;
    --header-height: 0px;
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-tertiary: #232733;
    --bg-sidebar: #14161f;
    --bg-hover: #232733;
    --bg-active: #252a3a;
    --bg-input: #1a1d27;
    --border-color: #2a2e3d;
    --border-light: #22252f;
    --text-primary: #f1f3f9;
    --text-secondary: #9ca3af;
    --text-tertiary: #6b7280;
    --text-sidebar: #9ca3af;
    --text-sidebar-active: #818cf8;
    --accent: #818cf8;
    --accent-hover: #6366f1;
    --accent-light: #252a3a;
    --accent-text: #ffffff;
    --success: #34d399;
    --success-bg: #0d2d22;
    --warning: #fbbf24;
    --warning-bg: #2d2305;
    --danger: #f87171;
    --danger-bg: #2d1010;
    --info: #60a5fa;
    --info-bg: #0d1f3d;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.4);
}

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

html { font-size: 15px; scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* Layout */
.app-layout { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform var(--transition);
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.sidebar-brand img {
    width: 36px; height: 36px;
    border-radius: var(--radius-sm);
}

.sidebar-brand-text {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.sidebar-brand-sub {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar-nav { flex: 1; padding: 0.75rem 0.75rem; }

.sidebar-section {
    margin-bottom: 0.5rem;
}

.sidebar-section-title {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    padding: 1rem 0.75rem 0.5rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--text-sidebar);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition);
    white-space: nowrap;
}

.sidebar-link:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.sidebar-link.active {
    background: var(--accent-light);
    color: var(--text-sidebar-active);
    font-weight: 600;
}

.sidebar-link svg {
    width: 18px; height: 18px;
    flex-shrink: 0;
    opacity: 0.65;
}

.sidebar-link.active svg { opacity: 1; }

.sidebar-badge {
    margin-left: auto;
    background: var(--danger);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    line-height: 1.3;
}

.sidebar-footer {
    padding: 1rem 1rem;
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}

.sidebar-user:hover { background: var(--bg-hover); }

.sidebar-avatar {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--accent-text);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.sidebar-user-info {
    flex: 1;
    min-width: 0;
}

.sidebar-user-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-email {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.page-header {
    padding: 1.75rem 2rem 0;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.page-header-left { flex: 1; }

.page-title {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.page-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-bottom: 0.5rem;
}

.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { opacity: 0.4; }

.page-body { padding: 1.5rem 2rem 2rem; flex: 1; }

/* Cards */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.content-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
    gap: 1rem;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
}

.card-body { padding: 1.5rem; }

/* KPI Cards */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.kpi-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
}

.kpi-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.kpi-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    margin-bottom: 0.5rem;
}

.kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.kpi-change {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.4rem;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
}

.kpi-change.positive { color: var(--success); background: var(--success-bg); }
.kpi-change.negative { color: var(--danger); background: var(--danger-bg); }

.kpi-icon {
    width: 40px; height: 40px;
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 0.75rem;
}

.kpi-icon svg { width: 20px; height: 20px; }
.kpi-icon.blue { background: var(--info-bg); color: var(--info); }
.kpi-icon.green { background: var(--success-bg); color: var(--success); }
.kpi-icon.yellow { background: var(--warning-bg); color: var(--warning); }
.kpi-icon.red { background: var(--danger-bg); color: var(--danger); }
.kpi-icon.purple { background: var(--accent-light); color: var(--accent); }

/* Charts */
.chart-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.chart-card { padding: 0; }
.chart-card .card-body { padding: 1rem 1.5rem 1.5rem; }
.chart-container { position: relative; height: 280px; }

/* Tables */
.table-wrapper { overflow-x: auto; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table th {
    text-align: left;
    padding: 0.75rem 1rem;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.data-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

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

.data-table tr:last-child td { border-bottom: none; }

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-green { background: var(--success-bg); color: var(--success); }
.badge-yellow { background: var(--warning-bg); color: var(--warning); }
.badge-red { background: var(--danger-bg); color: var(--danger); }
.badge-blue { background: var(--info-bg); color: var(--info); }
.badge-gray { background: var(--bg-tertiary); color: var(--text-secondary); }
.badge-purple { background: var(--accent-light); color: var(--accent); }

.badge-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.15rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.4;
}

.btn svg { width: 16px; height: 16px; }

.btn-primary {
    background: var(--accent);
    color: var(--accent-text);
    border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); color: var(--accent-text); border-color: var(--accent-hover); }

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

.btn-danger {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
}
.btn-danger:hover { background: #dc2626; border-color: #dc2626; }

.btn-success {
    background: var(--success);
    color: #fff;
    border-color: var(--success);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 0.4rem 0.6rem;
}
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.78rem; }
.btn-xs { padding: 0.25rem 0.5rem; font-size: 0.72rem; }

.btn-group { display: flex; gap: 0.5rem; }

/* Forms */
.form-group { margin-bottom: 1.25rem; }

.form-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.form-control {
    width: 100%;
    padding: 0.6rem 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-family: inherit;
    background: var(--bg-input);
    color: var(--text-primary);
    transition: border-color var(--transition), box-shadow var(--transition);
    line-height: 1.5;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.form-control::placeholder { color: var(--text-tertiary); }

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.25rem;
}

textarea.form-control { resize: vertical; min-height: 100px; }

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.form-hint {
    font-size: 0.72rem;
    color: var(--text-tertiary);
    margin-top: 0.3rem;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-check input[type="checkbox"] {
    width: 16px; height: 16px;
    accent-color: var(--accent);
}

/* Alerts */
.alert {
    padding: 0.85rem 1.15rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    border: 1px solid transparent;
}

.alert-success { background: var(--success-bg); color: var(--success); border-color: rgba(16,185,129,0.2); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border-color: rgba(245,158,11,0.2); }
.alert-danger { background: var(--danger-bg); color: var(--danger); border-color: rgba(239,68,68,0.2); }
.alert-info { background: var(--info-bg); color: var(--info); border-color: rgba(59,130,246,0.2); }

.alert svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 0.1rem; }

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.quick-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all var(--transition);
}

.quick-action-btn:hover {
    border-color: var(--accent);
    background: var(--accent-light);
    color: var(--accent);
}

/* License Alert Bar */
.license-alerts {
    margin-bottom: 1.5rem;
}

.license-alert-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    gap: 1rem;
}

.license-alert-item.expiring { background: var(--warning-bg); border: 1px solid rgba(245,158,11,0.2); }
.license-alert-item.expired { background: var(--danger-bg); border: 1px solid rgba(239,68,68,0.2); }

/* Tabs */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 1.5rem;
    overflow-x: auto;
}

.tab-link {
    padding: 0.7rem 1.15rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition);
    white-space: nowrap;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.tab-link:hover { color: var(--text-primary); }
.tab-link.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 2rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.modal-overlay.active { opacity: 1; pointer-events: all; }

.modal {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    max-width: 520px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    transform: scale(0.95) translateY(10px);
    transition: transform var(--transition);
}

.modal-overlay.active .modal { transform: scale(1) translateY(0); }

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
}

.modal-title { font-size: 1.05rem; font-weight: 700; }

.modal-close {
    width: 32px; height: 32px;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-tertiary);
    transition: all var(--transition);
}
.modal-close:hover { background: var(--bg-hover); color: var(--text-primary); }

.modal-body { padding: 1.5rem; }
.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Pagination */
.pagination-nav { display: flex; justify-content: center; margin-top: 1.5rem; }

.pagination {
    list-style: none;
    display: flex;
    gap: 0.25rem;
}

.pagination-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 34px;
    padding: 0 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    transition: all var(--transition);
}

.pagination-link:hover { border-color: var(--accent); color: var(--accent); }
.pagination-link.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.pagination-dots { padding: 0 0.5rem; color: var(--text-tertiary); }

/* Filter bar */
.filter-bar {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    align-items: center;
}

.filter-bar .form-control {
    width: auto;
    min-width: 180px;
}

.search-input {
    position: relative;
}

.search-input input {
    padding-left: 2.5rem;
}

.search-input svg {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    width: 16px; height: 16px;
    color: var(--text-tertiary);
    pointer-events: none;
}

/* Theme Toggle */
.theme-toggle {
    width: 36px; height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition);
}
.theme-toggle:hover { background: var(--bg-hover); color: var(--text-primary); }

/* Empty state */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-tertiary);
}

.empty-state svg { width: 48px; height: 48px; margin-bottom: 1rem; opacity: 0.4; }
.empty-state h3 { font-size: 1rem; color: var(--text-secondary); margin-bottom: 0.5rem; }
.empty-state p { font-size: 0.85rem; margin-bottom: 1.25rem; }

/* JSON Viewer */
.json-viewer {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1rem;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.78rem;
    overflow-x: auto;
    max-height: 400px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.7;
}

/* Instance detail tabs nav */
.instance-nav {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.instance-nav .tab-link {
    border: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-bottom: 0;
    padding: 0.5rem 0.85rem;
    font-size: 0.78rem;
}

.instance-nav .tab-link.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* Responsive */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 1rem; left: 1rem;
    z-index: 200;
    width: 40px; height: 40px;
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    align-items: center; justify-content: center;
    box-shadow: var(--shadow-md);
    color: var(--text-primary);
}

@media (max-width: 1024px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .mobile-menu-toggle { display: flex; }
    .page-header { padding-top: 3.5rem; }
}

@media (max-width: 640px) {
    .page-header { padding: 3.5rem 1rem 0; }
    .page-body { padding: 1rem; }
    .kpi-grid { grid-template-columns: 1fr 1fr; }
    .chart-grid { grid-template-columns: 1fr; }
    .filter-bar { flex-direction: column; }
    .filter-bar .form-control { width: 100%; min-width: unset; }
}

/* Scrollbar styling */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* Utility */
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-info { color: var(--info); }
.text-muted { color: var(--text-secondary); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* Animations */
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeIn 0.3s ease-out; }

/* Print */
@media print {
    .sidebar, .mobile-menu-toggle, .page-header .btn, .theme-toggle { display: none !important; }
    .main-content { margin-left: 0; }
}