/* 登录 / 注册 / 找回密码 统一认证页 */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background: linear-gradient(145deg, #e8eef8 0%, #f0f4fa 40%, #dce8f5 100%);
    position: relative;
    overflow: hidden;
}

.auth-page::before,
.auth-page::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0.45;
}

.auth-page::before {
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(95, 134, 207, 0.25), transparent 70%);
    top: -120px;
    right: -80px;
}

.auth-page::after {
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.15), transparent 70%);
    bottom: -100px;
    left: -60px;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 1rem;
    box-shadow: 0 12px 40px rgba(26, 39, 68, 0.1), 0 2px 8px rgba(26, 39, 68, 0.06);
    border: 1px solid rgba(95, 134, 207, 0.12);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.auth-card--wide {
    max-width: 480px;
}

.auth-card--admin .auth-card__head {
    background: linear-gradient(180deg, rgba(245, 158, 11, 0.1) 0%, transparent 100%);
}

.auth-card__badge {
    display: inline-block;
    margin: 0.35rem 0 0.5rem;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #b45309;
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.35);
}

.auth-card__head {
    text-align: center;
    padding: 2rem 2rem 1.25rem;
    background: linear-gradient(180deg, rgba(95, 134, 207, 0.08) 0%, transparent 100%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.auth-card__logo {
    width: 52px;
    height: 52px;
    margin: 0 auto 0.85rem;
    border-radius: 14px;
    background: linear-gradient(135deg, #5F86CF, #4d72b8);
    color: #fff;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 16px rgba(95, 134, 207, 0.35);
}

.auth-card__title {
    font-size: 1.35rem;
    font-weight: 700;
    color: #1a2744;
    margin: 0 0 0.35rem;
    letter-spacing: 0.02em;
}

.auth-card__subtitle {
    font-size: 0.9rem;
    color: #7a8ba8;
    margin: 0;
}

.auth-card__body {
    padding: 1.5rem 2rem 2rem;
}

.auth-field {
    margin-bottom: 1.1rem;
}

.auth-field label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: #4a5568;
    margin-bottom: 0.4rem;
}

.auth-field .form-control {
    border-radius: 0.55rem;
    border-color: #dce4f0;
    padding: 0.6rem 0.85rem;
    font-size: 0.95rem;
}

.auth-field .form-control:focus {
    border-color: #5F86CF;
    box-shadow: 0 0 0 0.2rem rgba(95, 134, 207, 0.18);
}

.auth-field__hint {
    font-size: 0.78rem;
    color: #9ca3af;
    margin-top: 0.3rem;
}

.auth-code-row {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}

.auth-code-row .form-control {
    flex: 1;
    min-width: 0;
}

.auth-code-row .btn {
    flex-shrink: 0;
    white-space: nowrap;
    border-radius: 0.55rem;
    font-size: 0.85rem;
    padding-left: 0.85rem;
    padding-right: 0.85rem;
}

.auth-btn-primary {
    width: 100%;
    padding: 0.65rem;
    font-weight: 600;
    border-radius: 0.55rem;
    background: linear-gradient(135deg, #5F86CF, #4d72b8);
    border: none;
    box-shadow: 0 4px 14px rgba(95, 134, 207, 0.35);
}

.auth-btn-primary:hover {
    background: linear-gradient(135deg, #4d72b8, #3d62a8);
    box-shadow: 0 6px 18px rgba(95, 134, 207, 0.4);
}

.auth-links {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    font-size: 0.88rem;
}

.auth-links a {
    color: #5F86CF;
    text-decoration: none;
}

.auth-links a:hover {
    color: #4d72b8;
    text-decoration: underline;
}

.auth-links--center {
    justify-content: center;
    gap: 1.5rem;
}

.auth-forgot {
    display: flex;
    justify-content: space-between;
    margin-top: -0.35rem;
    margin-bottom: 1rem;
}

.auth-forgot a {
    font-size: 0.85rem;
    color: #7a8ba8;
    text-decoration: none;
}

.auth-forgot a:hover {
    color: #5F86CF;
}

.auth-remember {
    margin-bottom: 1rem;
}

.auth-remember-check {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9rem;
    color: #4b5563;
    cursor: pointer;
}

.auth-alert {
    border-radius: 0.55rem;
    font-size: 0.88rem;
    margin-bottom: 1rem;
}

.auth-code-input {
    text-align: center;
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: normal;
}

.auth-code-input:not(:placeholder-shown) {
    font-size: 1.35rem;
    letter-spacing: 0.35em;
    font-weight: 600;
}

.auth-code-input::placeholder {
    letter-spacing: normal;
    font-size: 0.88rem;
    font-weight: 400;
    color: #9ca3af;
}

@media (max-width: 480px) {
    .auth-card__head,
    .auth-card__body {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    .auth-code-row {
        flex-direction: column;
    }

    .auth-code-row .btn {
        width: 100%;
    }
}