/* speed-converter.css */

.speed-converter-container {
    max-width: 700px;
    margin: 15px auto; /* Reduced margin from 20px */
    padding: 20px; /* Reduced padding from 25px */
    background-color: #f9f9f9;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    gap: 15px; /* Reduced gap from 20px */
    align-items: center; /* Center content horizontally */
}

.speed-converter-container h3 {
    text-align: center;
    color: #333;
    margin-bottom: 15px; /* Reduced margin-bottom from 25px */
    font-size: 1.8em;
    width: 100%; /* Take full width */
}

.converter-block {
    display: flex;
    flex-direction: column;
    gap: 10px; /* Reduced gap from 15px */
    width: 100%;
    align-items: center; /* Center items within the block */
}

.input-group {
    display: flex;
    flex-direction: column;
    width: 90%;
    margin-bottom: 8px; /* Reduced margin-bottom from 10px */
}

.input-group label {
    margin-bottom: 5px; /* Reduced margin-bottom from 8px */
    font-weight: bold;
    color: #555;
    font-size: 1.1em;
}

.input-group input[type="number"],
.input-group input[type="text"],
.input-group select {
    padding: 10px 12px; /* Reduced padding from 12px 15px */
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1.1em;
    width: 100%;
    box-sizing: border-box; /* Include padding in width */
    background-color: #fff;
    transition: border-color 0.3s ease;
}

.input-group input[type="number"]:focus,
.input-group input[type="text"]:focus,
.input-group select:focus {
    border-color: #007bff;
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

#swap-speed-units {
    padding: 8px 18px; /* Reduced padding from 10px 20px */
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    margin: 8px 0; /* Reduced margin from 10px 0 */
    transition: background-color 0.3s ease, transform 0.2s ease;
}

#swap-speed-units:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

.formula-display {
    width: 90%;
    margin-top: 15px; /* Reduced margin-top from 25px */
    text-align: center;
}

.formula-display h4 {
    color: #333;
    margin-bottom: 10px; /* Reduced margin-bottom from 15px */
    font-size: 1.4em;
}

.formula-box {
    background-color: #e6f7ff;
    border: 1px solid #b3e0ff;
    padding: 15px; /* Reduced padding from 20px */
    border-radius: 10px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 1.1em;
    color: #004085;
    text-align: left;
    white-space: pre-wrap;
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.05);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .speed-converter-container {
        margin: 10px auto; /* Further reduced margin */
        padding: 15px; /* Further reduced padding */
    }
    .input-group {
        width: 95%;
    }
}

@media (max-width: 480px) {
    .speed-converter-container {
        margin: 5px auto; /* Further reduced margin */
        padding: 10px; /* Further reduced padding */
    }
    .input-group input,
    .input-group select {
        font-size: 0.9em; /* Slightly smaller font for smaller screens */
        padding: 8px 10px;
    }
    .speed-converter-container h3 {
        font-size: 1.4em;
    }
    .formula-box {
        font-size: 0.95em;
        padding: 12px;
    }
}