*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.45;
    color: #111;
    background: #f6f6f6;
}

.page {
    max-width: 380px;
    margin: 2rem auto;
    padding: 1.25rem;
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
}

.badge {
    margin: 0 0 1rem;
    font-size: 0.85rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

h1 {
    margin: 0 0 0.75rem;
    font-size: 1.35rem;
    font-weight: 600;
}

.hint {
    margin: 0 0 1rem;
    color: #555;
    font-size: 0.95rem;
}

.error {
    margin: 0 0 1rem;
    color: #b00020;
    font-size: 0.95rem;
}

.form label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.9rem;
    color: #333;
}

.form input {
    width: 100%;
    margin-bottom: 0.75rem;
    padding: 0.65rem 0.75rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
}

.form button[type="submit"] {
    width: 100%;
    margin-top: 0.25rem;
    padding: 0.7rem 1rem;
    border: 0;
    border-radius: 6px;
    background: #111;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
}

.form button[type="submit"]:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.link-btn,
.back {
    display: inline-block;
    margin-top: 0.75rem;
    padding: 0;
    border: 0;
    background: none;
    color: #111;
    font-size: 0.95rem;
    text-decoration: underline;
    cursor: pointer;
}

.timer {
    min-height: 1.2rem;
    margin: 0 0 0.5rem;
    font-size: 0.85rem;
    color: #666;
}

.field-error[hidden] {
    display: none;
}