.mrtc-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.mrtc-container h3 {
    text-align: center;
    color: #1a73e8;
    margin-bottom: 30px;
    font-size: 2.2em;
}

.input-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
}

input, select {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
}

.row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

button.calculate-btn {
    width: 100%;
    padding: 15px;
    background: #1a73e8;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s ease;
    margin-top: 10px;
}

button.calculate-btn:hover {
    background: #1557b0;
}

.result {
    margin-top: 25px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    display: none;
}

.result.active {
    display: block;
}

.result div {
    margin: 10px 0;
    font-size: 16px;
}

.highlight {
    color: #1a73e8;
    font-weight: bold;
}

.currency {
    font-family: monospace;
}