/**
 * RestoPOS - Main Stylesheet
 * Modern restaurant POS system design
 */

/* ============================================
   CSS Variables & Theme
   ============================================ */
:root {
    /* Colors - Warm restaurant palette */
    --primary: #d35400;
    --primary-dark: #a84300;
    --primary-light: #e67e22;
    --secondary: #2c3e50;
    --accent: #16a085;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --info: #3498db;
    
    /* Neutrals */
    --bg-dark: #1a1a2e;
    --bg-card: #16213e;
    --bg-light: #f8f9fa;
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --text-light: #ecf0f1;
    --border-color: #dfe6e9;
    
    /* Status colors */
    --status-free: #27ae60;
    --status-occupied: #e74c3c;
    --status-bill: #f39c12;
    --status-reserved: #9b59b6;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 3rem;
    
    /* Typography */
    --font-main: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Mono', monospace;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-glow: 0 0 20px rgba(211, 84, 0, 0.3);
    
    /* Borders */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 50px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
}

/* ============================================
   Navigation
   ============================================ */
.main-nav {
    background: var(--secondary);
    padding: var(--space-md) var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--primary-light);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-brand i {
    font-size: 1.75rem;
}

.nav-links {
    display: flex;
    gap: var(--space-sm);
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
}

.nav-links a:hover {
    background: rgba(255,255,255,0.1);
    color: var(--primary-light);
}

.nav-links a.active {
    background: var(--primary);
    color: white;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.notifications-bell {
    position: relative;
    cursor: pointer;
    color: var(--text-light);
    font-size: 1.25rem;
    padding: var(--space-sm);
    transition: color var(--transition-fast);
}

.notifications-bell:hover {
    color: var(--primary-light);
}

.notifications-bell .badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--danger);
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    color: var(--text-light);
}

.user-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.user-role {
    font-size: 0.75rem;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-logout {
    color: var(--text-light);
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn-logout:hover {
    background: rgba(231, 76, 60, 0.2);
    color: var(--danger);
}

/* ============================================
   Notifications Panel
   ============================================ */
.notifications-panel {
    position: fixed;
    top: 70px;
    right: var(--space-xl);
    width: 360px;
    max-height: 500px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    display: none;
    overflow: hidden;
}

.notifications-panel.active {
    display: block;
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.notifications-header {
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.notifications-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.btn-mark-read {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 0.85rem;
}

.notifications-list {
    max-height: 400px;
    overflow-y: auto;
}

.notification-item {
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.notification-item:hover {
    background: var(--bg-light);
}

.notification-item.unread {
    background: #fff8e1;
}

.notification-item .title {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: var(--space-xs);
}

.notification-item .message {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.notification-item .time {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

/* ============================================
   Main Content
   ============================================ */
.main-content {
    padding: var(--space-xl);
    min-height: calc(100vh - 140px);
}

/* ============================================
   Page Headers
   ============================================ */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.page-header h1 i {
    color: var(--primary);
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition-normal);
}

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

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

.card-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

.card-body {
    padding: var(--space-lg);
}

.card-footer {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--border-color);
    background: var(--bg-light);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: var(--secondary);
    color: white;
}

.btn-secondary:hover {
    background: #34495e;
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: #219a52;
}

.btn-warning {
    background: var(--warning);
    color: white;
}

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

.btn-danger:hover {
    background: #c0392b;
}

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

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-sm {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.8rem;
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-full);
}

.btn-block {
    width: 100%;
}

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

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

select.form-control {
    cursor: pointer;
}

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

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

/* ============================================
   Tables Grid (Restaurant Tables)
   ============================================ */
.tables-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--space-lg);
}

.table-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 3px solid transparent;
    position: relative;
    overflow: hidden;
}

.table-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.table-card.free::before {
    background: var(--status-free);
}

.table-card.occupied::before {
    background: var(--status-occupied);
}

.table-card.bill_requested::before {
    background: var(--status-bill);
}

.table-card.reserved::before {
    background: var(--status-reserved);
}

.table-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.table-card.free:hover {
    border-color: var(--status-free);
}

.table-card.occupied:hover {
    border-color: var(--status-occupied);
}

.table-card.bill_requested:hover {
    border-color: var(--status-bill);
}

.table-card .table-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: var(--space-sm);
}

.table-card .table-capacity {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
}

.table-card .table-status {
    margin-top: var(--space-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    display: inline-block;
}

.table-card.free .table-status {
    background: rgba(39, 174, 96, 0.1);
    color: var(--status-free);
}

.table-card.occupied .table-status {
    background: rgba(231, 76, 60, 0.1);
    color: var(--status-occupied);
}

.table-card.bill_requested .table-status {
    background: rgba(243, 156, 18, 0.1);
    color: var(--status-bill);
}

/* Joined tables (large party): which tables share this order. */
.table-card .table-joined {
    margin-top: var(--space-xs);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
}

/* ============================================
   Room Tabs
   ============================================ */
.room-tabs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.room-tab {
    padding: var(--space-sm) var(--space-lg);
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.room-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.room-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* ============================================
   Menu Categories
   ============================================ */
.categories-nav {
    display: flex;
    gap: var(--space-sm);
    overflow-x: auto;
    padding-bottom: var(--space-md);
    margin-bottom: var(--space-lg);
}

.category-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-md);
    min-width: 100px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.category-btn i {
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
}

.category-btn span {
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
}

.category-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.category-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* ============================================
   Menu Items Grid
   ============================================ */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-md);
}

.menu-item {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--space-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.menu-item:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.menu-item .item-name {
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.menu-item .item-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.menu-item .item-price {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--primary);
    font-weight: 700;
}

/* ============================================
   Order Panel
   ============================================ */
.order-panel {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    height: calc(100vh - 140px);
    position: sticky;
    top: 90px;
}

.order-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.order-header h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-xs);
}

.order-header .order-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.order-items {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
}

.order-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
    gap: var(--space-md);
}

.order-item:last-child {
    border-bottom: none;
}

.order-item .item-details {
    flex: 1;
}

.order-item .item-name {
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.order-item .item-mods {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.order-item .item-qty {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.order-item .item-qty button {
    width: 28px;
    height: 28px;
    border: none;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
}

.order-item .item-qty button:hover {
    background: var(--primary);
    color: white;
}

.order-item .item-qty span {
    min-width: 30px;
    text-align: center;
    font-weight: 600;
}

.order-item .item-total {
    font-weight: 600;
    min-width: 70px;
    text-align: right;
}

.order-totals {
    padding: var(--space-lg);
    border-top: 1px solid var(--border-color);
    background: var(--bg-light);
}

.total-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
    font-size: 0.95rem;
}

.total-row.grand-total {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    padding-top: var(--space-sm);
    border-top: 2px solid var(--border-color);
    margin-top: var(--space-sm);
}

.order-actions {
    padding: var(--space-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--space-sm);
}

.order-actions .btn {
    flex: 1;
}

/* ============================================
   Kitchen Display
   ============================================ */
.kitchen-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.kitchen-ticket {
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--warning);
}

.kitchen-ticket.in-progress {
    border-left-color: var(--info);
}

.kitchen-ticket.ready {
    border-left-color: var(--success);
}

.ticket-header {
    padding: var(--space-md);
    background: var(--bg-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ticket-header .table-info {
    font-weight: 700;
    font-size: 1.1rem;
}

.ticket-header .time {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.ticket-header .time.urgent {
    color: var(--danger);
    font-weight: 600;
}

.ticket-items {
    padding: var(--space-md);
}

.ticket-item {
    padding: var(--space-sm) 0;
    border-bottom: 1px dashed var(--border-color);
}

.ticket-item:last-child {
    border-bottom: none;
}

.ticket-item .qty {
    font-weight: 700;
    color: var(--primary);
    margin-right: var(--space-sm);
}

.ticket-item .mods {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: var(--space-xs);
    padding-left: var(--space-lg);
}

.ticket-actions {
    padding: var(--space-md);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--space-sm);
}

.ticket-actions .btn {
    flex: 1;
}

/* ============================================
   Cashier / Payment View
   ============================================ */
.payment-summary {
    background: var(--secondary);
    color: white;
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
}

.payment-summary h2 {
    margin-bottom: var(--space-md);
    font-size: 1.5rem;
}

.payment-amount {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--primary-light);
    margin-bottom: var(--space-md);
}

.payment-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.payment-method {
    padding: var(--space-lg);
    background: white;
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 3px solid transparent;
}

.payment-method:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.payment-method.selected {
    border-color: var(--primary);
    background: rgba(211, 84, 0, 0.05);
}

.payment-method i {
    font-size: 2rem;
    color: var(--secondary);
    margin-bottom: var(--space-sm);
    display: block;
}

.payment-method span {
    font-weight: 600;
    color: var(--text-primary);
}

/* ============================================
   Data Tables
   ============================================ */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--bg-light);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.data-table tbody tr:hover {
    background: rgba(0,0,0,0.02);
}

/* ============================================
   Modals
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: white;
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

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

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

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

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: var(--space-xs);
}

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

.modal-body {
    padding: var(--space-lg);
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
}

/* ============================================
   Toast Notifications
   ============================================ */
.toast-container {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    padding: var(--space-md) var(--space-lg);
    background: var(--secondary);
    color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    animation: slideIn 0.3s ease;
    max-width: 350px;
}

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

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--danger);
}

.toast.warning {
    background: var(--warning);
}

.toast.info {
    background: var(--info);
}

/* ============================================
   Badges & Status Indicators
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: rgba(211, 84, 0, 0.1);
    color: var(--primary);
}

.badge-success {
    background: rgba(39, 174, 96, 0.1);
    color: var(--success);
}

.badge-warning {
    background: rgba(243, 156, 18, 0.1);
    color: var(--warning);
}

.badge-danger {
    background: rgba(231, 76, 60, 0.1);
    color: var(--danger);
}

.badge-info {
    background: rgba(52, 152, 219, 0.1);
    color: var(--info);
}

.badge-light {
    background: rgba(107, 114, 128, 0.12);
    color: var(--text-secondary);
}

/* ============================================
   Stats Cards
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.stat-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.stat-card .stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.stat-card .stat-icon.primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
}

.stat-card .stat-icon.success {
    background: linear-gradient(135deg, var(--success), #2ecc71);
}

.stat-card .stat-icon.warning {
    background: linear-gradient(135deg, var(--warning), #f1c40f);
}

.stat-card .stat-icon.info {
    background: linear-gradient(135deg, var(--info), #74b9ff);
}

.stat-card .stat-value {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--secondary);
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ============================================
   Login Page
   ============================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--secondary) 0%, #1a1a2e 100%);
}

.login-container {
    background: white;
    padding: var(--space-xxl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
}

.login-logo {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.login-logo i {
    font-size: 3rem;
    color: var(--primary);
}

.login-logo h1 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--secondary);
    margin-top: var(--space-sm);
}

.login-form .form-group {
    position: relative;
}

.login-form .form-group i {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.login-form .form-control {
    padding-left: 45px;
}

.login-error {
    background: rgba(231, 76, 60, 0.1);
    color: var(--danger);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    font-size: 0.9rem;
}

/* ============================================
   Footer
   ============================================ */
.main-footer {
    text-align: center;
    padding: var(--space-lg);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ============================================
   Utilities
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-secondary); }

.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); }

.d-flex { display: flex; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }

.hidden { display: none !important; }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .main-nav {
        flex-wrap: wrap;
        gap: var(--space-md);
    }
    
    .nav-links {
        order: 3;
        width: 100%;
        justify-content: center;
    }
    
    .main-content {
        padding: var(--space-md);
    }
    
    .page-header {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .tables-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    
    .order-panel {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: auto;
        max-height: 50vh;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        z-index: 100;
    }
    
    .modal {
        max-width: 95%;
        margin: var(--space-md);
    }
}

/* Guests' QR requests bar (all staff areas) */
.table-requests-bar { position: fixed; top: 78px; right: 16px; z-index: 900; display: flex; flex-direction: column; gap: 10px; width: min(360px, calc(100vw - 32px)); max-height: calc(100vh - 100px); overflow-y: auto; }
.table-requests-bar:empty { display: none; }
.tr-card { background: #fff; border-radius: 12px; padding: 12px 14px; box-shadow: 0 8px 24px rgba(0,0,0,.18); border-left: 6px solid #f59e0b; animation: trPulse 1.6s ease-in-out 3; }
.tr-card.tr-bill { border-left-color: #16a34a; }
.tr-card.tr-waiter { border-left-color: #2563eb; }
.tr-card.tr-change { border-left-color: #dc2626; }
.tr-card.tr-seen { opacity: .8; animation: none; }
.tr-head { display: flex; align-items: center; gap: 8px; font-size: 1rem; }
.tr-age { margin-left: auto; font-size: .8rem; color: #6b7280; }
.tr-text { margin-top: 4px; font-weight: 600; }
.tr-msg { margin-top: 4px; font-style: italic; color: #374151; }
.tr-by { margin-top: 4px; font-size: .8rem; color: #16a34a; }
.tr-actions { display: flex; gap: 8px; margin-top: 8px; justify-content: flex-end; }
@keyframes trPulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.03); } }

/* Room scroller: pick a room from a horizontally scrolling bar, see only its tables
   (admin Rooms & Tables, Table QR codes). */
.room-scroller-wrap { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 6px; background: rgba(245, 247, 250, .95); backdrop-filter: blur(6px); padding: 8px 0 12px; margin-bottom: var(--space-md, 16px); }
.room-scroller { display: flex; gap: var(--space-sm, 8px); overflow-x: auto; scroll-snap-type: x proximity; scroll-behavior: smooth; flex: 1 1 auto; padding: 2px; scrollbar-width: thin; }
.room-scroller .room-tab { flex: 0 0 auto; scroll-snap-align: start; white-space: nowrap; display: inline-flex; align-items: center; gap: 8px; }
.room-scroller .room-tab .count { font-size: .75rem; font-weight: 700; padding: 1px 8px; border-radius: 999px; background: rgba(0,0,0,.08); }
.room-scroller .room-tab.active .count { background: rgba(255,255,255,.25); }
.room-scroll-btn { flex: 0 0 auto; width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border-color); background: #fff; cursor: pointer; }
.room-scroll-btn:hover { border-color: var(--primary); color: var(--primary); }
@media (hover: none) { .room-scroll-btn { display: none; } }
.is-hidden { display: none !important; }
/* Green number = free tables in that room; busy = occupied tables (all rooms). */
.room-scroller .room-tab .count.free { background: var(--success, #16a34a); color: #fff; }
.room-scroller .room-tab .count.busy { background: var(--warning, #f59e0b); color: #fff; }
.room-scroller .room-tab.active .count.free { background: #fff; color: var(--success, #16a34a); }
.room-scroller .room-tab.active .count.busy { background: #fff; color: var(--warning, #b45309); }
.table-card .table-room { font-size: .8rem; font-weight: 700; color: var(--primary); margin-bottom: 2px; }
.table-card .table-order { margin-top: 6px; font-size: .8rem; color: var(--text-secondary); }

/* Floor plan: the table drawn with its chairs instead of a box (table_visual.php). */
.table-card.table-visual { background: transparent; border: 0; box-shadow: none; padding: var(--space-sm) var(--space-xs); overflow: visible; }
.table-card.table-visual::before { display: none; }
.table-card.table-visual:hover { transform: translateY(-3px); box-shadow: none; }
.table-card.table-visual .tv-svg { display: block; max-width: 100%; height: auto; margin: 0 auto 4px; filter: drop-shadow(0 3px 5px rgba(0,0,0,.15)); }
.table-card.table-visual .tv-guests { font-size: .85rem; font-weight: 700; color: var(--text-secondary); }
.table-card.table-visual .tv-guests.partial { color: #b45309; }
.table-card.table-visual .tv-guests.full { color: #dc2626; }
.table-card.table-visual .table-status { margin-top: 4px; }
.table-card.table-visual { position: relative; }
.table-card.table-visual .tv-bell { position: absolute; top: 0; right: 4px; z-index: 1; }
/* Paid table still to be cleared and laid again. */
.table-card.table-visual.needs-reset { outline: 3px dashed #2563eb; outline-offset: -3px; }
.table-card.table-visual .tv-reset { position: absolute; top: 0; left: 4px; z-index: 1; display: inline-flex; align-items: center; gap: 4px; background: #2563eb; color: #fff; font-size: .7rem; font-weight: 700; padding: 2px 7px; border-radius: 999px; }
.table-card.table-visual .btn-laid, .lay-row .btn-laid { margin-top: 6px; background: #2563eb; color: #fff; border: 0; }
/* Room name under the corner badges (Bill / To lay) in the all-rooms view. */
.table-card.table-visual .table-room { margin-top: 16px; }
.lay-list { display: flex; flex-direction: column; gap: 8px; }
.lay-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; padding: 10px 12px; border: 2px dashed #93c5fd; border-radius: 10px; }
.lay-row .btn-laid { margin-top: 0; }

/* A table asking for the bill: its drawing blinks with a glow until it is paid. */
@keyframes tvBillBlink {
    0%, 100% { opacity: 1; filter: drop-shadow(0 0 0 rgba(245, 158, 11, 0)); }
    50%      { opacity: .35; filter: drop-shadow(0 0 10px rgba(245, 158, 11, .95)); }
}
.table-card.table-visual.bill-alert .tv-svg { animation: tvBillBlink 1s ease-in-out infinite; }
.table-card.table-visual.bill-alert .tv-billicon { display: inline-flex; }
.table-card.table-visual .tv-billicon { display: none; position: absolute; top: 0; left: 4px; z-index: 1; align-items: center; gap: 4px; background: #f59e0b; color: #fff; font-size: .7rem; font-weight: 700; padding: 2px 7px; border-radius: 999px; }

/* Country flags (phone prefix): Windows has no flag emoji, so draw them with
   the Twemoji flags font; other systems use their own. */
@font-face {
    font-family: 'Twemoji Country Flags';
    unicode-range: U+1F1E6-1F1FF, U+1F3F4, U+E0062-E0063, U+E0065, U+E0067, U+E006C, U+E006E, U+E0073-E0074, U+E0077, U+E007F;
    src: url('https://cdn.jsdelivr.net/npm/country-flag-emoji-polyfill@0.1/dist/TwemojiCountryFlags.woff2') format('woff2');
    font-display: swap;
}
.flag-font { font-family: 'Twemoji Country Flags', var(--font-main), sans-serif; }

/* Password reset pages (login style) */
.pwr-ok { background: rgba(39, 174, 96, .1); color: var(--success, #16a34a); padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: .92rem; }
.pwr-note { font-size: .9rem; color: var(--text-secondary); margin: 0 0 14px; }
.pwr-note .fa-whatsapp { color: #25d366; }
.pwr-back, .pwr-link-btn { color: var(--primary); font-weight: 600; font-size: .9rem; text-decoration: none; background: none; border: 0; cursor: pointer; font-family: inherit; }
.pwr-back:hover, .pwr-link-btn:hover { text-decoration: underline; }

/* "Dish ready" alert banner (app.js showReadyAlerts) */
.ready-alerts {
    position: fixed;
    top: calc(12px + env(safe-area-inset-top, 0px));
    left: 50%;
    transform: translateX(-50%);
    z-index: 3500;
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: min(560px, calc(100vw - 24px));
}
.ready-alert {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--success);
    color: #fff;
    border-radius: 14px;
    padding: 12px 14px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .25);
    animation: readyDrop .35s ease-out;
}
.ready-alert > i { font-size: 1.6rem; }
.ready-alert.table-free { background: #2563eb; }
.ready-alert .btn.ra-take { background: #fff; color: var(--success, #16a34a); font-weight: 800; }
.ready-alert .ra-text { flex: 1; min-width: 0; }
.ready-alert .ra-text strong { display: block; }
.ready-alert .ra-text span { font-size: .9rem; }
.ready-alert .btn { background: rgba(255, 255, 255, .2); color: #fff; border: 0; white-space: nowrap; }
@keyframes readyDrop { from { transform: translateY(-40px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ============================================
   Tablets (and phones): header on two rows, admin sections in one scrolling row
   ============================================ */
@media (max-width: 1024px) {
    html, body { overflow-x: hidden; }
    .main-nav { flex-wrap: wrap; gap: 8px; padding: 10px 16px; }
    .nav-user { margin-left: auto; gap: 10px; }
    .nav-links { order: 3; width: 100%; justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; scrollbar-width: none; }
    .nav-links::-webkit-scrollbar { display: none; }
    .nav-links a { white-space: nowrap; }
    .admin-sidebar { flex-wrap: nowrap !important; overflow-x: auto; padding: 8px 12px !important; gap: 4px; scrollbar-width: none; }
    .admin-sidebar::-webkit-scrollbar { display: none; }
    .admin-sidebar a { white-space: nowrap; margin-bottom: 0 !important; }
    .data-table { display: block; max-width: 100%; overflow-x: auto; }
}

/* ============================================
   Phones and small tablets
   ============================================ */
@media (max-width: 768px) {
    /* Nothing wider than the screen: no sideways page scroll. */
    html, body { overflow-x: hidden; }
    .main-content { padding: 12px; min-width: 0; }

    /* Compact header: brand + icons on one line, sections in a scrolling row. */
    .main-nav { position: static; padding: 8px 12px; gap: 6px; }
    .nav-brand { font-size: 1.05rem; }
    .nav-brand i { font-size: 1.2rem; }
    .nav-user { gap: 6px; margin-left: auto; }
    .nav-user .lang-switch { margin-right: 0; }
    .nav-user .lang-switch a { padding: 2px 7px; }
    .user-info { max-width: 92px; }
    .user-name { font-size: .8rem; line-height: 1.2; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 92px; }
    .user-role { display: none; }
    .nav-links { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; gap: 4px; padding-bottom: 2px; scrollbar-width: none; }
    .nav-links::-webkit-scrollbar { display: none; }
    .nav-links a { white-space: nowrap; padding: 6px 10px; font-size: .9rem; }

    /* Admin sections: one scrolling row instead of a tall block. */
    .admin-sidebar { flex-wrap: nowrap !important; overflow-x: auto; padding: 8px !important; gap: 4px; scrollbar-width: none; }
    .admin-sidebar::-webkit-scrollbar { display: none; }
    .admin-sidebar a { white-space: nowrap; margin-bottom: 0 !important; padding: 8px 12px !important; font-size: .88rem !important; }

    /* Headings and toolbars. */
    .page-header h1 { font-size: 1.35rem; }
    .page-header .d-flex, .order-info { flex-wrap: wrap; justify-content: center; }
    .card-header { flex-wrap: wrap; gap: 8px; }

    /* Wide tables scroll inside themselves. */
    .data-table { display: block; max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .card, .modal { max-width: 100%; }

    /* Notifications panel fits the screen. */
    .notifications-panel { width: calc(100vw - 24px) !important; right: 12px !important; }

    /* Guests' requests: across the bottom, not over the header. */
    .table-requests-bar { top: auto; bottom: 12px; right: 12px; left: 12px; width: auto; max-height: 45vh; }

    /* Order screen: the order panel sits in the page (a bar at the bottom jumps to it). */
    .order-page > * { min-width: 0; }
    .order-panel { position: static; height: auto; max-height: none; border-radius: var(--radius-lg); z-index: auto; }
    .order-panel .order-items { overflow: visible; }
    .order-actions { flex-wrap: wrap; }
    .order-actions .btn { flex: 1 1 45%; justify-content: center; }
    .menu-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    .menu-item { padding: 12px; }
    .category-btn { min-width: 84px; padding: 10px; }

    /* Side-by-side pages (menu admin, payment) stack. */
    .two-col-layout { grid-template-columns: minmax(0, 1fr) !important; }
    .two-col-layout > * { min-width: 0; }

    /* Filter bars: fields share the width, a row each when needed. */
    form.card .d-flex, .card-body form .d-flex { flex-wrap: wrap; }
    form.card .d-flex > .form-control, form.card .d-flex > select { flex: 1 1 140px !important; min-width: 0 !important; max-width: none !important; }

    /* Dish rows in the order: tighter so the price stays on screen. */
    .order-item { gap: 8px; padding: 10px 4px; }
    .order-items { padding: 8px; }

    /* Kitchen: title above, the three counters side by side. */
    .kitchen-header { flex-direction: column; align-items: stretch; gap: 10px; margin-bottom: 16px !important; }
    .kitchen-header h1 { font-size: 1.35rem; text-align: center; }
    .kitchen-stats { gap: 8px; width: 100%; }
    .kitchen-stat { flex: 1 1 0; padding: 8px 6px !important; min-width: 0; }
    .kitchen-stat .number { font-size: 1.5rem !important; }
    .kitchen-stat .label { font-size: .68rem !important; }
}