:root {
    --primary-color: #2c5b7b;
    --secondary-color: #eaf2f8;
    --background-color: #ffffff;
    --text-color: #333;
    --border-color: #d0d7de;
    --accent-color: #4a90e2;
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

#unit-converter-app-container {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background-color);
    padding: 20px;
    border-radius: var(--border-radius);
    max-width: 600px;
    margin: 20px auto;
    box-shadow: var(--box-shadow);
    color: var(--text-color);
}

.converter-header {
    text-align: center;
    margin-bottom: 25px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
}

.converter-header h1 {
    margin: 0;
    color: var(--primary-color);
    font-size: 24px;
}

.converter-header p {
    margin: 4px 0 0;
    font-size: 14px;
    color: #6a737d;
}

.input-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group.ingredient-group {
    grid-column: 1 / -1;
}

.input-group label {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--primary-color);
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
    background-color: #f6f8fa;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

.tooltip-trigger {
    display: inline-block;
    width: 16px;
    height: 16px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    text-align: center;
    font-size: 12px;
    line-height: 16px;
    cursor: help;
    position: relative;
    top: -1px;
    margin-left: 4px;
}

.result-section {
    margin-top: 25px;
    text-align: center;
}

.result-section p {
    margin: 0 0 8px 0;
    font-size: 16px;
    color: #555;
}

.main-result-display {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    padding: 15px 20px;
    border-radius: var(--border-radius);
    font-size: 28px;
    font-weight: 700;
    word-wrap: break-word;
    min-height: 36px;
    transition: background-color 0.3s;
}

.visual-overview {
    margin-top: 30px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.visual-overview h3 {
    text-align: center;
    margin-top: 0;
    margin-bottom: 20px;
    font-weight: 600;
    color: var(--primary-color);
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
}

.overview-card {
    background-color: #f6f8fa;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 15px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.overview-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.08);
}

.overview-card h4 {
    margin: 0 0 8px 0;
    font-size: 14px;
    color: #555;
    font-weight: 500;
}

.overview-card span {
    font-size: 18px;
    font-weight: 600;
    color: var(--accent-color);
    word-break: break-all;
}

#ingredient-group {
    display: none; /* Hidden by default */
}

@media (max-width: 480px) {
    #unit-converter-app-container {
        padding: 15px;
    }
    
    .input-section {
        grid-template-columns: 1fr;
    }
    
    .converter-header h1 {
        font-size: 22px;
    }

    .main-result-display {
        font-size: 24px;
    }

    .overview-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}





 h1, h2, h3 {
            color: #2c3e50;
        }
        
        h1 {
            text-align: center;
            margin-bottom: 30px;
            border-bottom: 2px solid #3498db;
            padding-bottom: 10px;
        }
        
        .conversion-section {
            background-color: white;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            margin-bottom: 30px;
        }
        
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 15px 0;
        }
        
        th, td {
            border: 1px solid #ddd;
            padding: 8px;
            text-align: left;
        }
        
        th {
            background-color: #f2f2f2;
        }
        
        tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        
        code {
            background-color: #f0f0f0;
            padding: 2px 4px;
            border-radius: 3px;
            font-family: monospace;
        }
        
        .formula-box {
            background-color: #e6f7ff;
            border-left: 4px solid #3498db;
            padding: 10px;
            margin: 15px 0;
        }
        
        .quick-reference {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 20px 0;
        }
        
        .quick-card {
            flex: 1;
            min-width: 200px;
            background-color: white;
            padding: 15px;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        
        @media (max-width: 600px) {
            .quick-reference {
                flex-direction: column;
            }
        }