:root { 
            --accent-color: #ff6b6b;
            --warning-color: #f4a261;
            --danger-color: #e63946;
            --extreme-danger-color: #8b0000;
            --safe-color: #2a9d8f;
            --light-gray: #f8f9fa;
            --border-color: #eaeaea;
            --text-color: #333;
            --text-muted: #6c757d;
            --chart-hot: #e63946;
            --chart-warm: #f4a261;
            --chart-moderate: #2a9d8f;
            --chart-cool: #457b9d;
        }
        .page-header {
            background: linear-gradient(135deg, rgba(255, 154, 118, 0.4) 0%, rgba(230, 57, 70, 0.4) 100%);
            padding: 1.5rem 0;
            margin-bottom: 2rem;
            border-bottom: 1px solid rgba(230, 57, 70, 0.2);
            position: relative;
            overflow: hidden; color: var(--text-color);
        }
        .breadcrumb {
            background-color: transparent;
            padding: 0.5rem 0;
            margin-bottom: 0.5rem;
        }
        .breadcrumb-item a {
            color: var(--text-muted);
            text-decoration: none;
        }
        .breadcrumb-item.active {
            color: var(--text-color);
        }
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.15);
        }
        .form-control.error {
            border-color: var(--danger-color);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.2);
        }
        .result-value {
            font-size: 2.5rem;
            font-weight: 700;
            text-align: center;
            margin: 1rem 0;
        }
        .danger-level {
            padding: 0.5rem 1rem;
            border-radius: 4px;
            text-align: center;
            font-weight: 600;
            margin: 1rem 0;
        }
        .level-caution {
            background-color: rgba(244, 162, 97, 0.2);
            color: #d35400;
            border-left: 4px solid #f4a261;
        }
        .level-extreme-caution {
            background-color: rgba(230, 126, 34, 0.2);
            color: #e67e22;
            border-left: 4px solid #e67e22;
        }
        .level-danger {
            background-color: rgba(231, 76, 60, 0.2);
            color: #e74c3c;
            border-left: 4px solid #e74c3c;
        }
        .level-extreme-danger {
            background-color: rgba(139, 0, 0, 0.2);
            color: #8b0000;
            border-left: 4px solid #8b0000;
        }
        .level-safe {
            background-color: rgba(42, 157, 143, 0.2);
            color: #2a9d8f;
            border-left: 4px solid #2a9d8f;
        }
        .level-unrealistic {
            background-color: rgba(0, 0, 0, 0.1);
            color: #333;
            border-left: 4px solid #333;
        }
        .warning-box {
            background-color: rgba(255, 193, 7, 0.2);
            border-left: 4px solid #ffc107;
            padding: 1rem;
            border-radius: 0 4px 4px 0;
            margin: 1rem 0;
        }
        .danger-box {
            background-color: rgba(220, 53, 69, 0.1);
            border-left: 4px solid #dc3545;
            padding: 1rem;
            border-radius: 0 4px 4px 0;
            margin: 1rem 0;
        }
        .safety-box {
            background-color: rgba(244, 162, 97, 0.05);
            border-left: 3px solid var(--warning-color);
            padding: 1rem;
            border-radius: 0 4px 4px 0;
            margin: 1.5rem 0;
        }
        @media (max-width: 768px) {
            .result-value {
                font-size: 2rem;
            }
        }
        .weather-examples {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .example-btn {
            background-color: rgba(230, 57, 70, 0.1);
            border: 1px solid rgba(230, 57, 70, 0.2);
            border-radius: 4px;
            padding: 0.5rem 0.75rem;
            font-size: 0.9rem;
            color: var(--primary-color);
            cursor: pointer;
            transition: all 0.2s;
        }
        .example-btn:hover {
            background-color: rgba(230, 57, 70, 0.2);
            transform: translateY(-2px);
        }
        .heat-index-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
        }
        .heat-index-table th, .heat-index-table td {
            padding: 0.75rem;
            text-align: center;
            border: 1px solid var(--border-color);
        }
        .heat-index-table th {
            background-color: var(--light-gray);
            font-weight: 600;
        }
        .heat-index-table tr:nth-child(even) {
            background-color: rgba(230, 57, 70, 0.05);
        }
        .category-caution { background-color: rgba(244, 162, 97, 0.1); }
        .category-extreme-caution { background-color: rgba(230, 126, 34, 0.1); }
        .category-danger { background-color: rgba(231, 76, 60, 0.1); }
        .category-extreme-danger { background-color: rgba(139, 0, 0, 0.1); }
        .safety-recommendations {
            margin: 1.5rem 0;
        }
        .recommendation-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed var(--border-color);
        }
        .recommendation-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: rgba(230, 57, 70, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1rem;
            flex-shrink: 0;
            color: var(--primary-color);
        }
        .temp-conversion {
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 1rem 0;
        }
        .temp-value {
            font-size: 1.2rem;
            font-weight: 600;
            padding: 0.5rem 1rem;
            background-color: rgba(230, 57, 70, 0.1);
            border-radius: 4px;
            margin: 0 0.5rem;
        }
        .risk-indicator {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin: 1.5rem 0;
        }
        .risk-level {
            text-align: center;
            flex: 1;
        }
        .risk-bar {
            height: 8px;
            background-color: #eee;
            border-radius: 4px;
            margin: 1rem 0;
            overflow: hidden;
        }
        .risk-fill {
            height: 100%;
            border-radius: 4px;
        }
        .risk-label {
            font-size: 0.85rem;
            font-weight: 600;
        }
        .risk-value {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .input-with-unit {
            position: relative;
        }
        .input-unit {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-weight: 500;
        }
        .extreme-warning {
            animation: pulse 2s infinite;
            border: 2px solid var(--extreme-danger-color);
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(139, 0, 0, 0.4); }
            70% { box-shadow: 0 0 0 10px rgba(139, 0, 0, 0); }
            100% { box-shadow: 0 0 0 0 rgba(139, 0, 0, 0); }
        }
        .unrealistic-result {
            background-color: rgba(0, 0, 0, 0.05);
            border: 1px solid #999;
            padding: 1rem;
            border-radius: 6px;
            margin: 1rem 0;
            text-align: center;
        }