* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        :root {
            --primary-orange: #FF6B35;
            --light-orange: #FFA500;
            --dark-orange: #E55A00;
            --admin-blue: #3498db;
            --chef-green: #2ecc71;
            --customer-purple: #9b59b6;
            --white: #FFFFFF;
            --light-gray: #F8F9FA;
            --medium-gray: #E9ECEF;
            --dark-gray: #6C757D;
            --success-green: #28A745;
            --warning-yellow: #FFC107;
            --danger-red: #DC3545;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --radius: 12px;
        }

        body {
            background-color: var(--light-gray);
            color: #333;
            line-height: 1.6;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 20px;
        }

        header {
            background: linear-gradient(135deg, var(--primary-orange), var(--light-orange));
            color: var(--white);
            padding: 20px 0;
            text-align: center;
            border-radius: 0 0 var(--radius) var(--radius);
            box-shadow: var(--shadow);
            position: relative;
        }

        .logo {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 10px;
        }

        .logo i {
            font-size: 2.8rem;
            margin-right: 15px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
        }

        h1 {
            font-size: 2.8rem;
            margin-bottom: 5px;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
        }

        .tagline {
            font-size: 1.1rem;
            opacity: 0.95;
        }

        .role-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            padding: 8px 15px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .logout-btn {
            position: absolute;
            top: 20px;
            right: 120px;
            /* Positioned to the left of the badge */
            padding: 8px 15px;
            background-color: rgba(255, 255, 255, 0.2);
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .logout-btn:hover {
            background-color: rgba(255, 255, 255, 0.4);
            transform: translateY(-2px);
        }

        .admin-badge {
            background-color: var(--admin-blue);
        }

        .chef-badge {
            background-color: var(--chef-green);
        }

        .customer-badge {
            background-color: var(--customer-purple);
        }

        /* Login Page */
        .login-page {
            background-color: var(--white);
            border-radius: var(--radius);
            padding: 40px;
            margin-top: 40px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            text-align: center;
            border-top: 6px solid var(--primary-orange);
        }

        .login-page h2 {
            color: var(--primary-orange);
            margin-bottom: 25px;
            font-size: 2rem;
        }

        .role-selector {
            display: flex;
            gap: 10px;
            margin-bottom: 25px;
        }

        .role-btn {
            flex: 1;
            padding: 12px;
            border: 2px solid var(--medium-gray);
            background-color: var(--white);
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }

        .role-btn:hover {
            transform: translateY(-2px);
        }

        .role-btn.selected {
            border-color: var(--primary-orange);
            color: var(--primary-orange);
        }

        .role-btn.admin {
            border-color: var(--admin-blue);
        }

        .role-btn.admin.selected {
            background-color: var(--admin-blue);
            color: white;
        }

        .role-btn.chef {
            border-color: var(--chef-green);
        }

        .role-btn.chef.selected {
            background-color: var(--chef-green);
            color: white;
        }

        .role-btn.customer {
            border-color: var(--customer-purple);
        }

        .role-btn.customer.selected {
            background-color: var(--customer-purple);
            color: white;
        }

        .login-form {
            margin-top: 20px;
        }

        .form-group {
            margin-bottom: 25px;
            text-align: left;
        }

        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark-gray);
        }

        input[type="text"],
        input[type="password"] {
            width: 100%;
            padding: 15px;
            border: 2px solid var(--medium-gray);
            border-radius: 10px;
            font-size: 1rem;
            transition: border-color 0.3s, box-shadow 0.3s;
        }

        input[type="text"]:focus,
        input[type="password"]:focus {
            border-color: var(--primary-orange);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
            outline: none;
        }

        .login-btn {
            background: linear-gradient(to right, var(--primary-orange), var(--light-orange));
            color: var(--white);
            border: none;
            padding: 15px 30px;
            font-size: 1.1rem;
            border-radius: 10px;
            cursor: pointer;
            width: 100%;
            font-weight: 600;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .login-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(255, 107, 53, 0.3);
        }

        .login-note {
            margin-top: 20px;
            color: #777;
            font-size: 0.9rem;
        }

        /* Health Alert */
        .health-alert {
            background-color: #fff3cd;
            border: 1px solid #ffeaa7;
            border-radius: var(--radius);
            padding: 20px;
            margin-bottom: 25px;
            color: #856404;
            display: none;
        }

        .health-alert h4 {
            color: #856404;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* Main App Container */
        .app-container {
            display: none;
        }

        /* Navigation Tabs */
        .nav-tabs {
            display: flex;
            background-color: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
        }

        .nav-tab {
            flex: 1;
            text-align: center;
            padding: 18px 0;
            background-color: var(--white);
            border: none;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--dark-gray);
            cursor: pointer;
            transition: all 0.3s;
        }

        .nav-tab:hover {
            color: var(--primary-orange);
            background-color: rgba(255, 107, 53, 0.05);
        }

        .nav-tab.active {
            color: var(--primary-orange);
            background-color: rgba(255, 107, 53, 0.1);
            border-bottom: 3px solid var(--primary-orange);
        }

        .nav-tab.admin-active {
            color: var(--admin-blue);
            background-color: rgba(52, 152, 219, 0.1);
            border-bottom: 3px solid var(--admin-blue);
        }

        .nav-tab.chef-active {
            color: var(--chef-green);
            background-color: rgba(46, 204, 113, 0.1);
            border-bottom: 3px solid var(--chef-green);
        }

        .nav-tab.customer-active {
            color: var(--customer-purple);
            background-color: rgba(155, 89, 182, 0.1);
            border-bottom: 3px solid var(--customer-purple);
        }

        /* Tab Content */
        .tab-content {
            display: none;
        }

        /* Dashboard Styles */
        .dashboard {
            background-color: var(--white);
            border-radius: var(--radius);
            padding: 30px;
            box-shadow: var(--shadow);
        }

        .dashboard h2 {
            color: var(--primary-orange);
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid var(--medium-gray);
        }

        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .dashboard-card {
            background-color: var(--light-gray);
            padding: 25px;
            border-radius: 10px;
            border-left: 5px solid var(--primary-orange);
        }

        .dashboard-card.admin {
            border-left-color: var(--admin-blue);
        }

        .dashboard-card.chef {
            border-left-color: var(--chef-green);
        }

        .dashboard-card.customer {
            border-left-color: var(--customer-purple);
        }

        .dashboard-card h3 {
            color: var(--primary-orange);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .dashboard-card.admin h3 {
            color: var(--admin-blue);
        }

        .dashboard-card.chef h3 {
            color: var(--chef-green);
        }

        .dashboard-card.customer h3 {
            color: var(--customer-purple);
        }

        .stat {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-orange);
            margin: 10px 0;
        }

        .stat.admin {
            color: var(--admin-blue);
        }

        .stat.chef {
            color: var(--chef-green);
        }

        .stat.customer {
            color: var(--customer-purple);
        }

        /* Orders Table */
        .orders-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 20px;
        }

        .orders-table th,
        .orders-table td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid var(--medium-gray);
        }

        .orders-table th {
            background-color: var(--light-gray);
            font-weight: 600;
            color: var(--dark-gray);
        }

        .orders-table tr:hover {
            background-color: rgba(255, 107, 53, 0.05);
        }

        .order-status {
            padding: 5px 10px;
            border-radius: 5px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        .status-placed {
            background-color: rgba(52, 152, 219, 0.2);
            color: #2980b9;
        }

        .status-preparing {
            background-color: rgba(255, 193, 7, 0.2);
            color: #856404;
        }

        .status-completed {
            background-color: rgba(46, 204, 113, 0.2);
            color: #27ae60;
        }

        .action-btn {
            padding: 8px 15px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.2s;
        }

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

        .btn-update:hover {
            background-color: var(--dark-orange);
        }

        .btn-view {
            background-color: var(--admin-blue);
            color: white;
        }

        .btn-view:hover {
            background-color: #2980b9;
        }

        /* Menu Items */
        .menu-page {
            margin-top: 30px;
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
        }

        .menu-section {
            flex: 3;
            min-width: 300px;
        }

        .cart-section {
            flex: 1;
            min-width: 350px;
        }

        .page-title {
            color: var(--primary-orange);
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 2px solid var(--primary-orange);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .user-info {
            font-size: 1rem;
            background-color: rgba(255, 107, 53, 0.1);
            padding: 8px 15px;
            border-radius: 20px;
            color: var(--primary-orange);
        }

        .menu-category {
            margin-bottom: 40px;
            background-color: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .category-title {
            background: linear-gradient(to right, var(--primary-orange), var(--light-orange));
            color: var(--white);
            padding: 15px 20px;
            margin-bottom: 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .menu-items {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
            padding: 20px;
        }

        .menu-item {
            background-color: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s, box-shadow 0.3s;
            border: 1px solid var(--medium-gray);
        }

        .menu-item:hover {
            transform: translateY(-8px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
            border-color: var(--primary-orange);
        }

        .item-image {
            height: 200px;
            width: 100%;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .item-details {
            padding: 20px;
        }

        .item-name-price {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }

        .item-name {
            font-weight: 700;
            font-size: 1.3rem;
            color: #333;
        }

        .item-price {
            color: var(--primary-orange);
            font-weight: 700;
            font-size: 1.3rem;
        }

        .item-description {
            color: var(--dark-gray);
            margin-bottom: 20px;
            font-size: 0.95rem;
        }

        .item-actions {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .quantity-selector {
            display: flex;
            align-items: center;
            border: 1px solid var(--medium-gray);
            border-radius: 8px;
            overflow: hidden;
        }

        .quantity-btn {
            background-color: var(--light-gray);
            border: none;
            width: 40px;
            height: 40px;
            cursor: pointer;
            font-size: 1.2rem;
            color: var(--dark-gray);
            transition: background-color 0.2s;
        }

        .quantity-btn:hover {
            background-color: var(--medium-gray);
        }

        .quantity {
            padding: 0 15px;
            font-weight: 600;
            color: #333;
        }

        .add-to-cart {
            background-color: var(--primary-orange);
            color: var(--white);
            border: none;
            padding: 10px 20px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s, transform 0.2s;
        }

        .add-to-cart:hover {
            background-color: var(--dark-orange);
            transform: translateY(-2px);
        }

        .add-to-cart:disabled {
            background-color: var(--dark-gray);
            cursor: not-allowed;
            transform: none;
        }

        /* Cart and Order Styles */
        .cart-summary {
            background-color: var(--white);
            border-radius: var(--radius);
            padding: 25px;
            box-shadow: var(--shadow);
            position: sticky;
            top: 20px;
            border-top: 6px solid var(--primary-orange);
        }

        .cart-summary h3 {
            color: var(--primary-orange);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--medium-gray);
        }

        .cart-items {
            max-height: 300px;
            overflow-y: auto;
            margin-bottom: 20px;
        }

        .cart-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            border-bottom: 1px solid var(--medium-gray);
        }

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

        .cart-item-name {
            font-weight: 600;
        }

        .cart-item-price {
            font-weight: 600;
            color: var(--primary-orange);
        }

        .cart-total {
            display: flex;
            justify-content: space-between;
            font-weight: 700;
            font-size: 1.3rem;
            padding-top: 15px;
            border-top: 2px solid var(--medium-gray);
        }

        .place-order-btn {
            background: linear-gradient(to right, var(--primary-orange), var(--light-orange));
            color: var(--white);
            border: none;
            padding: 18px;
            font-size: 1.2rem;
            border-radius: 10px;
            cursor: pointer;
            width: 100%;
            font-weight: 600;
            margin-top: 20px;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .place-order-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(255, 107, 53, 0.3);
        }

        .place-order-btn:disabled {
            background: var(--dark-gray);
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        /* Notifications Panel */
        .notifications-panel {
            background-color: var(--white);
            border-radius: var(--radius);
            padding: 25px;
            margin-top: 30px;
            box-shadow: var(--shadow);
            max-height: 400px;
            overflow-y: auto;
        }

        .notification {
            padding: 15px;
            margin-bottom: 15px;
            border-radius: 8px;
            border-left: 4px solid var(--primary-orange);
            background-color: var(--light-gray);
        }

        .notification.admin {
            border-left-color: var(--admin-blue);
        }

        .notification.chef {
            border-left-color: var(--chef-green);
        }

        .notification.customer {
            border-left-color: var(--customer-purple);
        }

        .notification-time {
            font-size: 0.85rem;
            color: var(--dark-gray);
            margin-top: 5px;
        }

        /* Recommendation Panel */
        .recommendation-panel {
            background-color: #e8f4fc;
            border-radius: var(--radius);
            padding: 25px;
            margin-bottom: 30px;
            border-left: 5px solid var(--admin-blue);
        }

        .recommendation-panel h3 {
            color: var(--admin-blue);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* Alerts */
        .alert {
            position: fixed;
            top: 20px;
            right: 20px;
            padding: 15px 20px;
            border-radius: var(--radius);
            color: white;
            font-weight: 600;
            box-shadow: var(--shadow);
            z-index: 1000;
            display: flex;
            align-items: center;
            gap: 10px;
            animation: slideIn 0.3s ease-out;
            max-width: 350px;
        }

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

            to {
                transform: translateX(0);
                opacity: 1;
            }
        }

        .alert-success {
            background-color: var(--success-green);
            border-left: 5px solid #1e7e34;
        }

        .alert-warning {
            background-color: var(--warning-yellow);
            color: #856404;
            border-left: 5px solid #d39e00;
        }

        .alert-danger {
            background-color: var(--danger-red);
            border-left: 5px solid #bd2130;
        }

        .alert-info {
            background-color: var(--admin-blue);
            border-left: 5px solid #2980b9;
        }

        /* Footer */
        footer {
            text-align: center;
            margin-top: 50px;
            padding: 20px;
            color: var(--dark-gray);
            border-top: 1px solid var(--medium-gray);
        }

        /* Responsive */
        @media (max-width: 1100px) {
            .menu-page {
                flex-direction: column;
            }

            .cart-section {
                order: -1;
                min-width: 100%;
            }
        }

        @media (max-width: 768px) {
            .menu-items {
                grid-template-columns: 1fr;
            }

            .page-title {
                flex-direction: column;
                align-items: flex-start;
            }

            .user-info {
                margin-top: 10px;
            }

            h1 {
                font-size: 2.2rem;
            }

            .logo i {
                font-size: 2.2rem;
            }

            .role-badge {
                position: relative;
                top: 0;
                right: 0;
                margin-top: 10px;
                display: inline-block;
            }
        }