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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
        }

        /* Login */
        .login-container {
            background: white;
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
            max-width: 400px;
            margin: 0 auto;
        }

        .login-container h1 {
            color: #667eea;
            margin-bottom: 30px;
            text-align: center;
        }

        .input-group {
            margin-bottom: 20px;
        }

        .input-group label {
            display: block;
            margin-bottom: 8px;
            color: #333;
            font-weight: 500;
        }

        .input-group input {
            width: 100%;
            padding: 12px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 16px;
            transition: border-color 0.3s;
        }

        .input-group input:focus {
            outline: none;
            border-color: #667eea;
        }

        .btn {
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s;
        }

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

        .btn:active {
            transform: translateY(0);
        }

        /* Dashboard */
        .dashboard {
            display: none;
            background: white;
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
        }

        .dashboard.active {
            display: block;
        }

        .header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            flex-wrap: wrap;
            gap: 15px;
        }

        .user-info {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .user-info h2 {
            color: #667eea;
        }

        .user-info .stats {
            color: #666;
            font-size: 14px;
        }

        .logout-btn {
            padding: 10px 20px;
            background: #ff4757;
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
        }

        .admin-actions {
            margin-top: 15px;
        }

        .ticket-btn {
            padding: 10px 20px;
            background: #2ecc71;
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            margin-left: 10px;
        }

        .tables-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }

        .table-card {
            background: #f8f9fa;
            padding: 30px 20px;
            border-radius: 15px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
            border: 3px solid transparent;
        }

        .table-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }

        .table-card.available {
            border-color: #2ecc71;
        }

        .table-card.occupied {
            border-color: #ff4757;
            background: #ffe0e3;
        }

        .table-number {
            font-size: 24px;
            font-weight: bold;
            color: #333;
            margin-bottom: 10px;
        }

        .table-status {
            font-size: 14px;
            font-weight: 600;
            padding: 5px 10px;
            border-radius: 20px;
            display: inline-block;
        }

        .status-available {
            background: #2ecc71;
            color: white;
        }

        .status-occupied {
            background: #ff4757;
            color: white;
        }

        /* Modal */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 1000;
            padding: 20px;
            overflow-y: auto;
        }

        .modal.active {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .modal-content {
            background: white;
            padding: 30px;
            border-radius: 20px;
            max-width: 600px;
            width: 100%;
            max-height: 90vh;
            overflow-y: auto;
        }

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }

        .modal-header h2 {
            color: #667eea;
        }

        .close-btn {
            font-size: 28px;
            cursor: pointer;
            color: #666;
            background: none;
            border: none;
        }

        .menu-category {
            margin-bottom: 20px;
        }

        .menu-category h3 {
            color: #333;
            margin-bottom: 10px;
            padding-bottom: 5px;
            border-bottom: 2px solid #667eea;
        }

        .menu-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px;
            margin: 5px 0;
            background: #f8f9fa;
            border-radius: 8px;
        }

        .menu-item-info {
            flex: 1;
        }

        .menu-item-name {
            font-weight: 600;
            color: #333;
        }

        .menu-item-price {
            color: #2ecc71;
            font-weight: bold;
        }

        .add-btn {
            padding: 8px 15px;
            background: #667eea;
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
        }

        .order-summary {
            margin-top: 20px;
            padding: 20px;
            background: #f8f9fa;
            border-radius: 10px;
        }

        .order-summary h3 {
            color: #333;
            margin-bottom: 15px;
        }

        .order-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            padding-bottom: 10px;
            border-bottom: 1px solid #e0e0e0;
        }

        .order-total {
            font-size: 18px;
            font-weight: bold;
            color: #667eea;
            margin-top: 15px;
            text-align: right;
        }

        .confirm-btn {
            width: 100%;
            padding: 14px;
            background: #2ecc71;
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            margin-top: 15px;
        }

        /* Ticket */
        .ticket {
            background: white;
            padding: 20px;
            max-width: 300px;
            margin: 0 auto;
            font-family: 'Courier New', monospace;
            border: 2px dashed #333;
        }

        .ticket-header {
            text-align: center;
            margin-bottom: 20px;
            border-bottom: 2px dashed #333;
            padding-bottom: 10px;
        }

        .ticket-title {
            font-size: 20px;
            font-weight: bold;
        }

        .ticket-info {
            font-size: 12px;
            margin: 5px 0;
        }

        .ticket-items {
            margin: 20px 0;
        }

        .ticket-item {
            display: flex;
            justify-content: space-between;
            margin: 5px 0;
            font-size: 14px;
        }

        .ticket-footer {
            border-top: 2px dashed #333;
            padding-top: 10px;
            margin-top: 10px;
        }

        .ticket-total {
            display: flex;
            justify-content: space-between;
            font-weight: bold;
            font-size: 16px;
        }

        @media (max-width: 768px) {
            .tables-grid {
                grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
                gap: 15px;
            }

            .login-container {
                padding: 30px 20px;
            }

            .dashboard {
                padding: 20px;
            }

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