body{
    height: 100vh;
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #f1f5f9;
    display: flex;
    justify-content: center;
    align-items: center;
}

.converter {
    background: #fff;
    padding: 16px;
    border-radius: 10px;
    box-shadow: 0.4px 12px rgba(0,0,0, 0.08);
    width: 280px;
    box-sizing: border-box; 
}

.converter h3 {
    margin: 0 0 12px;
    font-size: 18px;
    text-align: center;
    color: #1e293b;

}

.row {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.row label {
    font-size: 14px;
    color: #334155;
    white-space: nowrap;
}

.converter select,
.converter input {
    flex: 1;
    padding: 8px;
    font-size: 14px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 10px;
}

.converter button {
    width: 100%;
    padding: 7px;
    font-size: 16px;
    background: greenyellow;
    column-rule-color: green;
    border-radius: 6px;
    cursor: pointer;

}

.converter button:hover {
    background-color: green;
    color: white;

}

.result{
    font-size: 14px;
    margin-top: 10px;
    text-align: center;
    color: #1e293b;
    background: #f9fafb;
    padding: 8px;
    border-radius: 6px;
    display: none;
}