.auth-shell {
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 24px;
}

.auth-card {
    background: #ffffff;
    width: 100%;
    max-width: 420px;
    border-radius: 18px;
    padding: 28px;
    box-shadow: 0 14px 35px rgba(0, 0, 0, 0.2);
}

.tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin: 20px 0;
}

.tab {
    border: 1px solid #ff7eb3;
    background: #fff;
    color: #ff4f94;
    border-radius: 10px;
    padding: 10px;
    cursor: pointer;
}

.tab.active {
    background: #ff7eb3;
    color: #fff;
}

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

.auth-form label {
    text-align: left;
    color: #444;
    font-weight: 600;
    font-size: 0.9rem;
}

.auth-form input {
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 12px;
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.hidden {
    display: none;
}

.auth-message {
    min-height: 24px;
    margin-top: 14px;
    font-size: 0.9rem;
    text-align: center;
}

.back-link {
    display: inline-block;
    margin-top: 10px;
    color: #555;
    text-decoration: none;
}

.back-link:hover {
    text-decoration: underline;
}