* {
            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;
            padding: 20px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.95);
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            backdrop-filter: blur(10px);
        }

        .header {
            background: linear-gradient(45deg, #ff6b6b, #ff8e8e);
            color: white;
            padding: 30px;
            text-align: center;
        }

        .header h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        .main-content {
            padding: 40px;
        }

        .search-section {
            background: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
            margin-bottom: 30px;
        }

        .form-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-bottom: 20px;
        }

        .form-group {
            position: relative;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #333;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #e1e5e9;
            border-radius: 8px;
            font-size: 16px;
            transition: all 0.3s ease;
        }

        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }

        .search-btn {
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: white;
            border: none;
            padding: 15px 40px;
            border-radius: 10px;
            font-size: 18px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
        }

        .search-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
        }

        .flights-section {
            display: none;
        }

        .flight-card {
            background: white;
            border-radius: 15px;
            padding: 25px;
            margin-bottom: 20px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            border: 1px solid #f0f0f0;
            transition: all 0.3s ease;
        }

        .flight-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
        }

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

        .airline-info {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .airline-logo {
            width: 50px;
            height: 50px;
            background: linear-gradient(45deg, #ff6b6b, #ff8e8e);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 18px;
        }

        .flight-details {
            display: grid;
            grid-template-columns: 1fr auto 1fr auto;
            gap: 20px;
            align-items: center;
            margin-bottom: 20px;
        }

        .time-location {
            text-align: center;
        }

        .time {
            font-size: 24px;
            font-weight: bold;
            color: #333;
        }

        .location {
            color: #666;
            margin-top: 5px;
        }

        .flight-path {
            display: flex;
            align-items: center;
            flex-direction: column;
            color: #999;
        }

        .duration {
            font-size: 14px;
            margin-bottom: 5px;
        }

        .flight-line {
            width: 100px;
            height: 2px;
            background: #ddd;
            position: relative;
        }

        .flight-line::after {
            content: '✈️';
            position: absolute;
            right: -10px;
            top: -10px;
        }

        .price-section {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .price {
            font-size: 28px;
            font-weight: bold;
            color: #ff6b6b;
        }

        .select-btn {
            background: linear-gradient(45deg, #4ecdc4, #44a08d);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .select-btn:hover {
            transform: scale(1.05);
        }

        .seat-selection {
            display: none;
            background: white;
            border-radius: 15px;
            padding: 30px;
            margin-top: 30px;
        }

        .aircraft {
            max-width: 400px;
            margin: 0 auto;
            padding: 20px;
            background: #f8f9fa;
            border-radius: 20px;
            position: relative;
        }

        .seat-map {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 10px;
            margin: 20px 0;
        }

        .seat {
            width: 40px;
            height: 40px;
            border: 2px solid #ddd;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            background: white;
            font-size: 12px;
            font-weight: bold;
        }

        .seat.available:hover {
            background: #e3f2fd;
            border-color: #2196f3;
        }

        .seat.selected {
            background: #4caf50;
            border-color: #4caf50;
            color: white;
        }

        .seat.occupied {
            background: #f44336;
            border-color: #f44336;
            color: white;
            cursor: not-allowed;
        }

        .seat-legend {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .legend-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .legend-seat {
            width: 20px;
            height: 20px;
            border-radius: 4px;
        }

        .booking-summary {
            display: none;
            background: white;
            border-radius: 15px;
            padding: 30px;
            margin-top: 30px;
        }

        .summary-item {
            display: flex;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid #eee;
        }

        .total {
            font-size: 24px;
            font-weight: bold;
            color: #ff6b6b;
            padding-top: 20px;
            border-top: 2px solid #eee;
        }

        .book-btn {
            width: 100%;
            background: linear-gradient(45deg, #ff6b6b, #ff8e8e);
            color: white;
            border: none;
            padding: 18px;
            border-radius: 10px;
            font-size: 20px;
            font-weight: 600;
            cursor: pointer;
            margin-top: 20px;
            transition: all 0.3s ease;
        }

        .book-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4);
        }

        .step-indicator {
            display: flex;
            justify-content: center;
            margin-bottom: 30px;
        }

        .step {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 20px;
            background: #f8f9fa;
            border-radius: 25px;
            margin: 0 10px;
            transition: all 0.3s ease;
        }

        .step.active {
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: white;
        }

        .step-number {
            width: 25px;
            height: 25px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        @media (max-width: 768px) {
            .form-row {
                grid-template-columns: 1fr;
            }
            
            .flight-details {
                grid-template-columns: 1fr;
                text-align: center;
            }
            
            .price-section {
                flex-direction: column;
                gap: 15px;
            }
            
            .seat-map {
                grid-template-columns: repeat(4, 1fr);
            }
        }