/* area-converter.css */

.converter-container {
    max-width: 800px;
    margin: 20px auto; /* Adjusted from 40px to 20px top/bottom margin */
    padding: 30px;
    background-color: #f9f9f9;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.converter-container h3 {
    color: #333;
    margin-bottom: 25px;
    font-size: 1.8em;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

.converter-container h4 {
    color: #555;
    margin-top: 20px;
    margin-bottom: 15px;
    font-size: 1.2em;
}

.input-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 20px;
}

.input-group input[type="number"],
.input-group input[type="text"],
.input-group select {
    width: 80%;
    padding: 12px;
    margin-top: 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1.1em;
    box-sizing: border-box; /* Include padding and border in the element's total width and height */
    text-align: center;
}

.input-group input[type="text"] {
    background-color: #e9e9e9;
    color: #333;
    cursor: default;
}

.swap-button-container {
    margin: 25px 0;
}

.swap-button-container button {
    padding: 12px 25px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1em;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 4px 10px rgba(0, 123, 255, 0.3);
}

.swap-button-container button:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

.swap-button-container button:active {
    background-color: #004085;
    transform: translateY(0);
}

.formula-box {
    background-color: #e0f7fa; /* Light blue background for visual distinction */
    border: 1px solid #b2ebf2;
    border-radius: 8px;
    padding: 20px;
    margin-top: 30px;
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.05); /* Inner shadow for depth */
}

.formula-box h4 {
    color: #00796b; /* Darker blue-green for formula title */
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.formula-box p {
    font-size: 1.1em;
    color: #333;
    line-height: 1.6;
    word-wrap: break-word; /* Ensure long formulas wrap */
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .converter-container {
        margin: 20px auto;
        padding: 20px;
        max-width: 90%;
    }

    .input-group input,
    .input-group select {
        width: 95%;
    }
}

@media (max-width: 480px) {
    .converter-container h3 {
        font-size: 1.5em;
    }

    .input-group input,
    .input-group select,
    .swap-button-container button {
        font-size: 1em;
        padding: 10px;
    }
}