/* Helmi Booking - Dashboard & Admin Styles */
:root {
    --primary: #4F46E5;
    --primary-dark: #4338CA;
    --secondary: #7C3AED;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --sidebar-width: 260px;
    --header-height: 64px;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

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

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

.sidebar {
    width: var(--sidebar-width);
    background: var(--gray-900);
    color: #fff;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s;
}

.sidebar-brand {
    padding: 20px 24px;
    font-size: 1.25rem;
    font-weight: 700;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-nav { flex: 1; padding: 16px 12px; overflow-y: auto; }
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    color: rgba(255,255,255,0.7);
    border-radius: 8px;
    margin-bottom: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    text-decoration: none;
}
.sidebar-nav a:hover { background: rgba(255,255,255,0.08); color: #fff; text-decoration: none; }
.sidebar-nav a.active { background: var(--primary); color: #fff; }
.sidebar-nav .nav-icon { font-size: 1.1rem; width: 24px; text-align: center; }

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.sidebar-footer a { color: rgba(255,255,255,0.5); font-size: 0.85rem; }

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.top-bar {
    height: var(--header-height);
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.top-bar h2 { font-size: 1.25rem; font-weight: 600; }
.top-bar-actions { display: flex; align-items: center; gap: 16px; }

.user-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--gray-600);
}

.page-content { padding: 32px; max-width: 1400px; }

/* Cards */
.card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}
.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.card-header h3 { font-size: 1.05rem; font-weight: 600; }
.card-body { padding: 24px; }

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}
.stat-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}
.stat-card .stat-label { font-size: 0.85rem; color: var(--gray-500); margin-bottom: 8px; }
.stat-card .stat-value { font-size: 1.75rem; font-weight: 700; color: var(--gray-900); }
.stat-card .stat-change { font-size: 0.8rem; margin-top: 4px; }
.stat-card .stat-change.up { color: var(--success); }
.stat-card .stat-change.down { color: var(--danger); }

/* Tables */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
}
table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.9rem;
}
table tr:hover td { background: var(--gray-50); }

/* Badges */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-success { background: #D1FAE5; color: #065F46; }
.badge-warning { background: #FEF3C7; color: #92400E; }
.badge-danger { background: #FEE2E2; color: #991B1B; }
.badge-info { background: #DBEAFE; color: #1E40AF; }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    font-family: inherit;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--gray-100); color: var(--gray-700); }
.btn-secondary:hover { background: var(--gray-200); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 6px 14px; font-size: 0.8rem; }
.btn-icon { padding: 8px; }

/* Forms */
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-weight: 500;
    font-size: 0.875rem;
    margin-bottom: 6px;
    color: var(--gray-700);
}
.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.2s;
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,70,229,0.1); }
textarea.form-control { min-height: 100px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-hint { font-size: 0.8rem; color: var(--gray-400); margin-top: 4px; }
.form-check { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.form-check input { accent-color: var(--primary); }

select.form-control { appearance: auto; }

/* Alerts */
.alert {
    padding: 14px 18px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}
.alert-success { background: #D1FAE5; color: #065F46; border: 1px solid #A7F3D0; }
.alert-error { background: #FEE2E2; color: #991B1B; border: 1px solid #FECACA; }
.alert-info { background: #DBEAFE; color: #1E40AF; border: 1px solid #BFDBFE; }

/* Pagination */
.pagination {
    display: flex;
    gap: 4px;
    justify-content: center;
    margin-top: 24px;
}
.page-link {
    padding: 8px 14px;
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    color: var(--gray-600);
    font-size: 0.85rem;
    text-decoration: none;
}
.page-link:hover { background: var(--gray-100); text-decoration: none; }
.page-link.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* Tabs */
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--gray-200); margin-bottom: 24px; }
.tab {
    padding: 12px 24px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--gray-500);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
    text-decoration: none;
}
.tab:hover { color: var(--gray-700); text-decoration: none; }
.tab.active { color: var(--primary); border-color: var(--primary); }

/* Color picker inline */
.color-input { display: flex; align-items: center; gap: 10px; }
.color-input input[type="color"] { width: 40px; height: 40px; border: none; border-radius: 8px; cursor: pointer; padding: 0; }

/* Modal */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex; align-items: center; justify-content: center;
    z-index: 1000;
    padding: 20px;
}
.modal {
    background: #fff;
    border-radius: 12px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}
.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--gray-200); display: flex; gap: 12px; justify-content: flex-end; }

/* Editor toolbar */
.editor-toolbar {
    display: flex;
    gap: 4px;
    padding: 8px;
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    border-bottom: none;
    border-radius: 8px 8px 0 0;
}
.editor-toolbar button {
    padding: 6px 10px;
    border: none;
    background: transparent;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
}
.editor-toolbar button:hover { background: var(--gray-200); }
.editor-content {
    min-height: 200px;
    border: 1px solid var(--gray-300);
    border-radius: 0 0 8px 8px;
    padding: 14px;
    outline: none;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--gray-400);
}
.empty-state .icon { font-size: 48px; margin-bottom: 16px; }

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-700);
}

/* Login page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}
.login-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    max-width: 420px;
    width: 100%;
    overflow: hidden;
}
.login-header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    padding: 32px;
    text-align: center;
}
.login-header h1 { font-size: 1.5rem; margin-bottom: 8px; }
.login-body { padding: 32px; }

/* Code block */
.code-block {
    background: var(--gray-900);
    color: #E5E7EB;
    padding: 16px;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    overflow-x: auto;
    position: relative;
}
.code-block .copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 4px 10px;
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.75rem;
}

/* Chart placeholder */
.chart-bar {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 200px;
    padding-top: 20px;
}
.chart-bar .bar {
    flex: 1;
    background: var(--primary);
    border-radius: 4px 4px 0 0;
    min-height: 4px;
    position: relative;
    opacity: 0.8;
    transition: opacity 0.2s;
}
.chart-bar .bar:hover { opacity: 1; }
.chart-bar .bar-label {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.65rem;
    color: var(--gray-400);
    white-space: nowrap;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .menu-toggle { display: block; }
    .page-content { padding: 20px 16px; }
    .top-bar { padding: 0 16px; }
    .form-row { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
}

/* Grid layouts */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }

@media (max-width: 768px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* Action buttons in table */
.table-actions { display: flex; gap: 6px; }

/* Toggle switch */
.toggle {
    position: relative;
    width: 44px;
    height: 24px;
    display: inline-block;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle .slider {
    position: absolute;
    inset: 0;
    background: var(--gray-300);
    border-radius: 24px;
    cursor: pointer;
    transition: 0.3s;
}
.toggle .slider::before {
    content: '';
    position: absolute;
    width: 18px; height: 18px;
    left: 3px; bottom: 3px;
    background: #fff;
    border-radius: 50%;
    transition: 0.3s;
}
.toggle input:checked + .slider { background: var(--primary); }
.toggle input:checked + .slider::before { transform: translateX(20px); }