* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f5f5f7;
    color: #1d1d1f;
}

.converter-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.15);
    max-width: 320px;
    width: 100%;
    text-align: center;
}

h1 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #292929;
}

label {
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 1rem;
    color: #6e6e73;
}

input, select {
    width: 100%;
    padding: 0.8rem;
    margin-top: 0.3rem;
    border: 1px solid #d2d2d7;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    color: #1d1d1f;
}

button {
    margin-top: 1.5rem;
    padding: 0.8rem;
    width: 100%;
    background-color: #093ea0;
    color: #ffffff;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #0b51d4;
}

.result {
    margin-top: 1.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #1d1d1f;
}