.auth-box {
    max-width: 480px;
    margin: 2rem auto;
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
    padding: 2rem;
}

.auth-box h1 {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    color: #1a1a2e;
}

.auth-box p.subtitle {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1.5rem;
}

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.35rem;
}

.form-group input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 0.95rem;
}

.form-group:has(input[type="checkbox"]) {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group:has(input[type="checkbox"]) label {
    margin-bottom: 0;
}

.form-group input[type="checkbox"] {
    order: -1;
    width: auto;
    flex-shrink: 0;
}

.field-errors {
    list-style: none;
    color: #c0392b;
    font-size: 0.82rem;
    margin-top: 0.25rem;
}

.btn-submit {
    background: #3172AA;
    color: white;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    width: 100%;
    margin-top: 0.5rem;
}

.btn-submit:hover { opacity: 0.85; }

.auth-footer {
    margin-top: 1.25rem;
    font-size: 0.85rem;
    color: #666;
    text-align: center;
}