body {
    font-family: sans-serif;
    background: #f3f4f6;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.1);
    width: 320px;
}

.tabs {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.tabs button {
    flex: 1;
    padding: 0.5rem;
    border: none;
    background: #e5e7eb;
    cursor: pointer;
    font-size: 1rem;
}

.tabs button.active {
    background: #1f2937;
    color: white;
    font-weight: bold;
}

.form {
    display: flex;
    flex-direction: column;
}

.form input {
    margin-bottom: 1rem;
    padding: 0.5rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
}

.form button {
    padding: 0.5rem;
    background: #1f2937;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
}

.form button:hover {
    background: #374151;
}

.hidden {
    display: none;
}