.converter-controls {
    background-color: #333;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.control-group {
    margin-bottom: 15px;
}

.control-group label {
    display: block;
    margin-bottom: 5px;
    color: #e0e0e0;
    font-weight: bold;
}

select, input[type="number"] {
    width: 100%;
    padding: 10px;
    background-color: #2d2d2d;
    border: 1px solid #555;
    border-radius: 4px;
    color: #e0e0e0;
    font-size: 16px;
}

select:focus, input[type="number"]:focus {
    outline: none;
    border-color: #5c8e9c;
}

.conversion-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 20px;
    align-items: center;
    margin: 30px 0;
}

.conversion-box {
    background-color: #333;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.conversion-arrow {
    font-size: 2rem;
    color: #5c8e9c;
}

.conversion-value {
    font-size: 2rem;
    font-weight: bold;
    color: #5c8e9c;
    margin: 10px 0;
    word-break: break-all;
}

.conversion-unit {
    font-size: 1.2rem;
    color: #aaa;
}

.quick-conversions {
    background-color: #333;
    padding: 20px;
    border-radius: 8px;
    margin-top: 20px;
}

.quick-conversions h3 {
    margin-top: 0;
    color: #5c8e9c;
}

.quick-conversion-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #444;
}

.quick-conversion-item:last-child {
    border-bottom: none;
}

.share-url {
    background-color: #333;
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    display: flex;
    gap: 10px;
    align-items: center;
}

.share-url input {
    flex: 1;
    background-color: #2d2d2d;
    border: 1px solid #555;
    padding: 8px;
    border-radius: 4px;
    color: #e0e0e0;
}

.copy-btn {
    padding: 8px 16px;
    background-color: #5c8e9c;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.copy-btn:hover {
    background-color: #4a7a8a;
}

@media (max-width: 768px) {
    .conversion-grid {
        grid-template-columns: 1fr;
    }
    
    .conversion-arrow {
        transform: rotate(90deg);
    }
}