body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: #f5f7fb;
    color: #1f2937;
}

.auth-container {
    max-width: 420px;
    margin: 64px auto;
    padding: 24px;
    background: #ffffff;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}

.auth-container h1 {
    margin: 0 0 16px;
    font-size: 24px;
}

.auth-panel.is-hidden {
    display: none;
}

.hint {
    margin: 0 0 10px;
    font-size: 14px;
    color: #4b5563;
}

.auth-form {
    display: grid;
    gap: 10px;
}

.auth-form input:not([type="checkbox"]) {
    padding: 10px;
    border: 1px solid #9ca3af;
    border-radius: 6px;
    font-size: 14px;
}

label[for="remember-device"] {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

#remember-device {
    width: 16px;
    height: 16px;
    margin: 0;
}

.auth-form button {
    margin-top: 8px;
    padding: 10px;
    border: 0;
    border-radius: 6px;
    background: #111827;
    color: #ffffff;
    font-weight: 600;
    cursor: pointer;
}

.auth-form button:hover {
    background: #0b1220;
}

.auth-link {
    display: inline-block;
    margin-top: 12px;
    color: #111827;
    font-size: 14px;
    text-decoration: underline;
}

.auth-link:hover {
    color: #0b1220;
}

.auth-link-button {
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.status {
    min-height: 20px;
    margin-top: 12px;
    font-size: 14px;
    color: #374151;
}