/* ============================================
   Delivery Integration Hub - Design System
   نظام التصميم الموحد
   ============================================ */

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

/* ============================================
   CSS Variables - Design Tokens
   ============================================ */
:root {
    /* Brand Colors */
    --primary: #1E3A5F;
    --primary-light: #2A5080;
    --primary-dark: #152B47;
    --primary-50: #E8EEF5;
    --primary-100: #C5D3E8;
    --primary-200: #9FB5D4;
    
    /* Accent Colors */
    --accent: #10B981;
    --accent-light: #34D399;
    --accent-dark: #059669;
    --warning: #F59E0B;
    --warning-light: #FCD34D;
    --danger: #EF4444;
    --danger-light: #FCA5A5;
    --info: #3B82F6;
    --info-light: #93C5FD;
    
    /* Neutrals */
    --bg-primary: #F0F4F8;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F8FAFC;
    --bg-dark: #1A1A2E;
    --bg-sidebar: #0F172A;
    --bg-sidebar-hover: #1E293B;
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-tertiary: #94A3B8;
    --text-inverse: #FFFFFF;
    --border: #E2E8F0;
    --border-light: #F1F5F9;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.05);
    
    /* Spacing */
    --sidebar-width: 260px;
    --topbar-height: 64px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    
    /* Transitions */
    --transition: all 0.2s ease;
    --transition-slow: all 0.3s ease;
    
    /* Delivery App Colors */
    --app-jahez: #FF6B00;
    --app-hungerstation: #E4002B;
    --app-toyou: #00BCD4;
    --app-mrsool: #6C3EC1;
    --app-careem: #4CAF50;
    --app-keeta: #FFD600;
    --app-thechefz: #1A1A2E;
    --app-demo: #9E9E9E;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'IBM Plex Sans Arabic', 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

[dir="ltr"] body {
    font-family: 'Inter', 'IBM Plex Sans Arabic', sans-serif;
}

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

img { max-width: 100%; height: auto; }

/* ============================================
   Login Page
   ============================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #16a085 100%);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(16,185,129,0.15) 0%, transparent 70%);
    animation: pulse-bg 8s ease-in-out infinite;
}

.login-page::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -30%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(59,130,246,0.1) 0%, transparent 70%);
    animation: pulse-bg 12s ease-in-out infinite reverse;
}

@keyframes pulse-bg {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 1; }
}

.login-card {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: 48px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-xl), 0 0 60px rgba(0,0,0,0.15);
    position: relative;
    z-index: 1;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo .logo-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    box-shadow: 0 8px 24px rgba(30,58,95,0.3);
}

.login-logo .logo-icon svg { width: 32px; height: 32px; color: white; }
.login-logo h1 { font-size: 24px; font-weight: 700; color: var(--primary-dark); }
.login-logo p { color: var(--text-secondary); margin-top: 4px; font-size: 14px; }

/* ============================================
   Form Elements
   ============================================ */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
    font-size: 13px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-50);
}

.form-input:hover {
    border-color: var(--primary-200);
}

.form-select {
    width: 100%;
    padding: 10px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: inherit;
    background: var(--bg-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-50);
}

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

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    box-shadow: 0 2px 8px rgba(30,58,95,0.3);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    box-shadow: 0 4px 12px rgba(30,58,95,0.4);
    color: white;
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: white;
}
.btn-success:hover { background: linear-gradient(135deg, var(--accent-dark), var(--accent)); color: white; }

.btn-danger {
    background: var(--danger);
    color: white;
}
.btn-danger:hover { background: #DC2626; color: white; }

.btn-warning {
    background: var(--warning);
    color: #1E293B;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-primary);
}
.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-50);
}

.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-icon { padding: 8px; min-width: 36px; height: 36px; }

.btn svg { width: 18px; height: 18px; }
.btn-sm svg { width: 14px; height: 14px; }

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

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    color: var(--text-inverse);
    position: fixed;
    top: 0;
    bottom: 0;
    z-index: 40;
    display: flex;
    flex-direction: column;
    transition: var(--transition-slow);
    overflow-y: auto;
    overflow-x: hidden;
}

[dir="rtl"] .sidebar { right: 0; }
[dir="ltr"] .sidebar { left: 0; }

.sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}

.sidebar-header .logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sidebar-header .logo svg { width: 22px; height: 22px; color: white; }
.sidebar-header .app-title { font-weight: 700; font-size: 16px; }
.sidebar-header .app-subtitle { font-size: 11px; color: var(--text-tertiary); }

.sidebar-nav {
    padding: 12px 0;
    flex: 1;
}

.nav-section {
    padding: 0 12px;
    margin-bottom: 8px;
}

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 8px 12px;
    margin-bottom: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border-radius: var(--radius-md);
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
    margin-bottom: 2px;
    font-size: 13.5px;
    font-weight: 500;
    position: relative;
}

.nav-item:hover {
    background: var(--bg-sidebar-hover);
    color: white;
}

.nav-item.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    box-shadow: 0 2px 10px rgba(30,58,95,0.4);
}

.nav-item svg { width: 20px; height: 20px; flex-shrink: 0; opacity: 0.7; }
.nav-item.active svg,
.nav-item:hover svg { opacity: 1; }

.nav-badge {
    margin-inline-start: auto;
    background: var(--danger);
    color: white;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 20px;
    min-width: 20px;
    text-align: center;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}

/* ============================================
   Layout - Main Content
   ============================================ */
.main-content {
    flex: 1;
    transition: var(--transition-slow);
}

[dir="rtl"] .main-content { margin-right: var(--sidebar-width); }
[dir="ltr"] .main-content { margin-left: var(--sidebar-width); }

/* ============================================
   Topbar
   ============================================ */
.topbar {
    height: var(--topbar-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 30;
    box-shadow: var(--shadow-sm);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.topbar-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    border: none;
    background: var(--bg-primary);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    position: relative;
}

.topbar-btn:hover {
    background: var(--primary-50);
    color: var(--primary);
}

.topbar-btn .badge {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 18px;
    height: 18px;
    background: var(--danger);
    color: white;
    font-size: 10px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

[dir="rtl"] .topbar-btn .badge { right: auto; left: -2px; }

.user-menu {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

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

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 14px;
}

.user-info .user-name { font-size: 13px; font-weight: 600; }
.user-info .user-role { font-size: 11px; color: var(--text-secondary); }

.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--text-primary);
}

.menu-toggle svg { width: 24px; height: 24px; }

/* ============================================
   Page Content
   ============================================ */
.page-content {
    padding: 24px;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header h1 {
    font-size: 22px;
    font-weight: 700;
}

.page-header .breadcrumb {
    font-size: 13px;
    color: var(--text-secondary);
}

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

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 15px;
    font-weight: 700;
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border-light);
    background: var(--bg-tertiary);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ============================================
   Stat Cards
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 20px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
}

.stat-card.blue::before { background: linear-gradient(90deg, var(--primary), var(--info)); }
.stat-card.green::before { background: linear-gradient(90deg, var(--accent), var(--accent-light)); }
.stat-card.orange::before { background: linear-gradient(90deg, var(--warning), #F97316); }
.stat-card.red::before { background: linear-gradient(90deg, var(--danger), #F87171); }
.stat-card.purple::before { background: linear-gradient(90deg, #8B5CF6, #A78BFA); }

.stat-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.stat-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-card.blue .stat-card-icon { background: #EFF6FF; color: var(--primary); }
.stat-card.green .stat-card-icon { background: #ECFDF5; color: var(--accent); }
.stat-card.orange .stat-card-icon { background: #FFFBEB; color: var(--warning); }
.stat-card.red .stat-card-icon { background: #FEF2F2; color: var(--danger); }
.stat-card.purple .stat-card-icon { background: #F5F3FF; color: #8B5CF6; }

.stat-card-icon svg { width: 22px; height: 22px; }

.stat-value {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ============================================
   Tables
   ============================================ */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead th {
    background: var(--bg-tertiary);
    padding: 12px 16px;
    font-weight: 600;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
    text-align: start;
}

.data-table tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-light);
    font-size: 13px;
    vertical-align: middle;
}

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

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

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

/* ============================================
   Badges & Status
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-new { background: #DBEAFE; color: #1E40AF; }
.badge-accepted { background: #E0F2FE; color: #0369A1; }
.badge-preparing { background: #FEF3C7; color: #92400E; }
.badge-ready { background: #D1FAE5; color: #065F46; }
.badge-picked_up { background: #E0E7FF; color: #3730A3; }
.badge-delivered { background: #ECFDF5; color: #047857; }
.badge-cancelled { background: #FEE2E2; color: #991B1B; }
.badge-rejected { background: #FEE2E2; color: #991B1B; }

.badge-success { background: #D1FAE5; color: #065F46; }
.badge-danger { background: #FEE2E2; color: #991B1B; }
.badge-warning { background: #FEF3C7; color: #92400E; }
.badge-info { background: #DBEAFE; color: #1E40AF; }

/* App Badges */
.app-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: white;
}

/* ============================================
   Sync Status Indicator
   ============================================ */
.sync-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.sync-dot.connected { background: var(--accent); box-shadow: 0 0 6px var(--accent); }
.sync-dot.disconnected { background: var(--danger); }
.sync-dot.pending { background: var(--warning); animation: pulse 1.5s infinite; }

/* ============================================
   Filters Bar
   ============================================ */
.filters-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    border: 1px solid var(--border-light);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.filter-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

.filter-group select,
.filter-group input {
    padding: 7px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: inherit;
    background: var(--bg-secondary);
}

/* ============================================
   Pagination
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 16px 0;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
}

.pagination a {
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.pagination a:hover {
    background: var(--primary-50);
    border-color: var(--primary);
    color: var(--primary);
}

.pagination .active {
    background: var(--primary);
    color: white;
    border: 1px solid var(--primary);
}

.pagination .disabled {
    color: var(--text-tertiary);
    pointer-events: none;
}

/* ============================================
   Modal
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.2s ease;
}

.modal-overlay.active { display: flex; }

.modal {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 { font-size: 18px; font-weight: 700; }
.modal-body { padding: 24px; }
.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--bg-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ============================================
   Toast Notifications
   ============================================ */
.toast-container {
    position: fixed;
    top: 20px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

[dir="rtl"] .toast-container { left: 20px; }
[dir="ltr"] .toast-container { right: 20px; }

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    animation: slideIn 0.3s ease, fadeOut 0.3s ease 4.7s;
    border-right: 4px solid;
}

[dir="rtl"] .toast { border-right: none; border-left: 4px solid; }

.toast-success { border-color: var(--accent); }
.toast-error { border-color: var(--danger); }
.toast-warning { border-color: var(--warning); }
.toast-info { border-color: var(--info); }

.toast-icon { width: 20px; height: 20px; flex-shrink: 0; }
.toast-message { font-size: 13px; font-weight: 500; flex: 1; }
.toast-close {
    width: 24px; height: 24px; border: none; background: none;
    cursor: pointer; color: var(--text-tertiary);
    display: flex; align-items: center; justify-content: center;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

[dir="rtl"] @keyframes slideIn {
    from { transform: translateX(-100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut { to { opacity: 0; transform: translateX(30px); } }

/* ============================================
   Empty State
   ============================================ */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state svg { width: 64px; height: 64px; margin-bottom: 16px; opacity: 0.3; }
.empty-state h3 { font-size: 18px; margin-bottom: 8px; color: var(--text-primary); }
.empty-state p { font-size: 14px; margin-bottom: 20px; }

/* ============================================
   Skeleton Loader
   ============================================ */
.skeleton {
    background: linear-gradient(90deg, var(--border-light) 25%, var(--bg-tertiary) 50%, var(--border-light) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

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

.skeleton-text { height: 14px; margin-bottom: 8px; }
.skeleton-title { height: 24px; width: 60%; margin-bottom: 16px; }
.skeleton-card { height: 120px; border-radius: var(--radius-lg); }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    [dir="rtl"] .sidebar { transform: translateX(100%); }
    
    .sidebar.open { transform: translateX(0); }
    
    .main-content {
        margin-right: 0 !important;
        margin-left: 0 !important;
    }
    
    .menu-toggle { display: flex; }
    
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .page-content { padding: 16px; }
    .stats-grid { grid-template-columns: 1fr; }
    .topbar { padding: 0 16px; }
    .filters-bar { flex-direction: column; align-items: stretch; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .login-card { padding: 32px 24px; margin: 16px; }
    .modal { margin: 16px; }
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-start { text-align: start; }
.text-end { text-align: end; }
.text-sm { font-size: 12px; }
.text-lg { font-size: 16px; }
.text-muted { color: var(--text-secondary); }
.text-danger { color: var(--danger); }
.text-success { color: var(--accent); }
.text-warning { color: var(--warning); }
.fw-bold { font-weight: 700; }
.fw-semibold { font-weight: 600; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

@media (max-width: 640px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.hidden { display: none !important; }
.relative { position: relative; }
.overflow-hidden { overflow: hidden; }
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Print Styles */
@media print {
    .sidebar, .topbar, .no-print { display: none !important; }
    .main-content { margin: 0 !important; }
    .page-content { padding: 0; }
}