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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.5;
}

.container {
    max-width: 600px;
    margin: 2rem auto;
    padding: 0 1rem;
}

h1 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

h2 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.card {
    background: #fff;
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.hint {
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 0.5rem;
}

input[type="password"],
input[type="text"] {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.95rem;
}

button {
    padding: 0.5rem 1.25rem;
    border: none;
    border-radius: 4px;
    font-size: 0.95rem;
    cursor: pointer;
    background: #2563eb;
    color: #fff;
    margin-top: 0.5rem;
}

button:hover {
    background: #1d4ed8;
}

button:disabled {
    background: #94a3b8;
    cursor: not-allowed;
}

.log {
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: #1e1e1e;
    color: #d4d4d4;
    border-radius: 4px;
    font-family: "Cascadia Code", "Fira Code", monospace;
    font-size: 0.8rem;
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
    display: none;
}

.log.active {
    display: block;
}

.mac-display {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    background: #f0fdf4;
    border-radius: 4px;
    border: 1px solid #bbf7d0;
}

.mac-display .label {
    font-size: 0.85rem;
    color: #666;
}

.mac-display .mac {
    font-family: monospace;
    font-size: 1.1rem;
    font-weight: 600;
    color: #166534;
}

.mac-display .chip-type {
    font-size: 0.8rem;
    color: #666;
    margin-left: auto;
}

.warning {
    padding: 1rem;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    color: #991b1b;
    margin-bottom: 1rem;
}

.success {
    padding: 0.5rem 0.75rem;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: 4px;
    color: #166534;
    margin-top: 0.75rem;
}

.error {
    padding: 0.5rem 0.75rem;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 4px;
    color: #991b1b;
    margin-top: 0.75rem;
}