body {
    background-color: #f5f7fa;
    color: #333;
    font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    padding: 2rem;
    line-height: 1.5;
}

h1 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    color: #336699;
}

label {
    font-weight: bold;
    margin-top: 1rem;
    display: block;
}

input, textarea {
    width: 100%;
    margin-top: 0.25rem;
    margin-bottom: 1rem;
    padding: 0.75rem;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    background-color: white;
    color: #333;
}

button {
    background-color: #336699;
    color: white;
    padding: 0.75rem 1.25rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    margin-top: 0.5rem;
}

button:hover {
    background-color: #28527a;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.panel {
    padding: 1rem 0;
    border-top: 1px solid #ddd;
}

.passphrase-group {
    margin-bottom: 1rem;
}

.passphrase-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.passphrase-toggle input[type="password"],
.passphrase-toggle input[type="text"] {
    flex: 1;
    margin-bottom: 0;
}

.switch {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 22px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0;
    right: 0; bottom: 0;
    background-color: #ccc;
    border-radius: 22px;
    transition: 0.4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

.switch input:checked + .slider {
    background-color: #336699;
}

.switch input:checked + .slider:before {
    transform: translateX(18px);
}

.footer-note {
    margin-top: 2rem;
    font-size: 0.9rem;
    color: #666;
}