:root {
            --primary: #1a73e8;
            --primary-dark: #0d47a1;
            --secondary: #34a853;
            --warning: #fbbc05;
            --danger: #ea4335;
            --light: #f8f9fa;
            --dark: #202124;
            --gray: #5f6368;
            --border: #dadce0;
        }

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

        body {
            background-color: #f5f7fa;
            color: var(--dark);
            line-height: 1.6;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        header {
            text-align: center;
            margin-bottom: 30px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
        }

        header h1 {
            color: var(--primary);
            margin-bottom: 10px;
            font-size: 2.5rem;
        }

        header p {
            color: var(--gray);
            font-size: 1.1rem;
        }

        .search-section {
            background: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
            margin-bottom: 30px;
            position: relative;
        }

        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }

        .search-input-container {
            flex: 1;
            min-width: 250px;
            position: relative;
        }

        .search-input {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            transition: all 0.3s;
        }

        .search-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.2);
        }

        .search-results {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: white;
            border: 1px solid var(--border);
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            max-height: 300px;
            overflow-y: auto;
            z-index: 1000;
            display: none;
        }

        .search-result-item {
            padding: 12px 15px;
            cursor: pointer;
            border-bottom: 1px solid var(--border);
            transition: background-color 0.2s;
        }

        .search-result-item:hover {
            background-color: var(--light);
        }

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

        .airport-code {
            font-weight: bold;
            color: var(--primary);
        }

        .airport-name {
            font-size: 0.9rem;
            color: var(--gray);
        }

        .airport-location {
            font-size: 0.8rem;
            color: var(--gray);
        }

        .btn {
            padding: 12px 20px;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

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

        .btn-secondary {
            background-color: var(--light);
            color: var(--dark);
            border: 1px solid var(--border);
        }

        .btn-secondary:hover {
            background-color: #e8eaed;
        }

        .weather-display {
            display: grid;
            grid-template-columns: 1fr;
            gap: 25px;
        }

        @media (min-width: 768px) {
            .weather-display {
                grid-template-columns: 1fr 1fr;
            }
        }

        .weather-card {
            background: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
        }

        .card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--border);
        }

        .card-title {
            font-size: 1.4rem;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .view-controls {
            display: flex;
            gap: 10px;
        }

        .view-toggle {
            background: none;
            border: 1px solid var(--border);
            padding: 6px 12px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 0.8rem;
            color: var(--gray);
            transition: all 0.3s;
        }

        .view-toggle:hover {
            background: var(--light);
        }

        .view-toggle.active {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }

        .airfield-info {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-bottom: 20px;
        }

        .info-item {
            display: flex;
            flex-direction: column;
        }

        .info-label {
            font-size: 0.85rem;
            color: var(--gray);
            margin-bottom: 5px;
        }

        .info-value {
            font-weight: 600;
            font-size: 1.1rem;
        }

        .weather-data {
            background: var(--light);
            border-radius: 8px;
            padding: 15px;
            margin-top: 15px;
            font-family: monospace;
            white-space: pre-wrap;
            line-height: 1.5;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 15px;
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
        }

        .data-table th {
            background: var(--primary);
            color: white;
            padding: 12px 15px;
            text-align: left;
            font-weight: 600;
        }

        .data-table td {
            padding: 12px 15px;
            border-bottom: 1px solid var(--border);
        }

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

        .data-table tr:hover {
            background: #f8f9fa;
        }

        .property-name {
            font-weight: 600;
            color: var(--dark);
        }

        .property-value {
            color: var(--gray);
        }

        .property-type {
            color: var(--primary);
            font-size: 0.8rem;
            font-style: italic;
        }

        .loading {
            text-align: center;
            padding: 30px;
            color: var(--gray);
        }

        .loading i {
            font-size: 2rem;
            margin-bottom: 15px;
            color: var(--primary);
        }

        .error {
            background: #ffebee;
            color: var(--danger);
            padding: 15px;
            border-radius: 8px;
            margin-top: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hidden {
            display: none;
        }

        .nearby-section {
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }

        .nearby-airfields {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 15px;
            margin-top: 15px;
        }

        .nearby-item {
            background: var(--light);
            padding: 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s;
        }

        .nearby-item:hover {
            background: #e8f0fe;
        }

        .nearby-code {
            font-weight: bold;
            color: var(--primary);
        }

        .nearby-name {
            font-size: 0.9rem;
            color: var(--gray);
        }

        footer {
            text-align: center;
            margin-top: 40px;
            padding: 20px 0;
            color: var(--gray);
            font-size: 0.9rem;
            border-top: 1px solid var(--border);
        }

        .last-updated {
            font-size: 0.8rem;
            color: var(--gray);
            margin-top: 10px;
            text-align: right;
        }

        .weather-condition {
            display: inline-block;
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-right: 8px;
            margin-bottom: 8px;
        }

        .condition-vfr {
            background-color: #e6f4ea;
            color: #137333;
        }

        .condition-mvfr {
            background-color: #e8f0fe;
            color: #1a73e8;
        }

        .condition-ifr {
            background-color: #fce8e6;
            color: #c5221f;
        }

        .condition-lifr {
            background-color: #fef7e0;
            color: #f29900;
        }

        .weather-details {
            margin-top: 15px;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 15px;
        }

        .detail-item {
            background: var(--light);
            padding: 12px;
            border-radius: 8px;
            text-align: center;
        }

        .detail-value {
            font-size: 1.5rem;
            font-weight: bold;
            margin-bottom: 5px;
        }

        .detail-label {
            font-size: 0.8rem;
            color: var(--gray);
        }

        .success {
            background: #e6f4ea;
            color: #137333;
            padding: 8px 12px;
            border-radius: 4px;
            font-size: 0.9rem;
            margin-top: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .warning {
            background: #fff8e1;
            border-left: 4px solid #fbbc05;
            padding: 12px 15px;
            margin: 10px 0;
            border-radius: 4px;
            font-size: 0.9rem;
        }

        .parsed-section {
            margin-top: 15px;
            padding: 15px;
            background: #f8f9fa;
            border-radius: 8px;
            border-left: 4px solid var(--primary);
        }

        .parsed-item {
            margin-bottom: 10px;
            padding: 8px;
            background: white;
            border-radius: 4px;
        }

        .parsed-label {
            font-weight: 600;
            color: var(--primary);
            margin-right: 8px;
        }

        .cloud-item {
            display: inline-block;
            padding: 4px 8px;
            margin: 2px 4px 2px 0;
            background: #e8f0fe;
            border-radius: 4px;
            font-size: 0.85rem;
        }

        .forecast-period {
            margin-bottom: 15px;
            padding: 12px;
            background: white;
            border-radius: 6px;
            border-left: 3px solid var(--secondary);
        }

        .period-header {
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .taf-change-indicator {
            display: inline-block;
            padding: 2px 6px;
            margin-left: 8px;
            border-radius: 3px;
            font-size: 0.7rem;
            font-weight: bold;
        }

        .change-fm {
            background: #e8f0fe;
            color: #1a73e8;
        }

        .change-tempo {
            background: #fff8e1;
            color: #f29900;
        }

        .change-becmg {
            background: #e6f4ea;
            color: #137333;
        }

        .change-prob {
            background: #fce8e6;
            color: #c5221f;
        }

        .flight-category {
            display: inline-block;
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-left: 8px;
        }