/* ============================================================
 * chdsx - 认证页面样式
 * 登录、注册、忘记密码（左右双栏布局）
 * ============================================================ */

.auth-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-background);
}

.auth-logo {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-3);
    padding: var(--sp-6) var(--sp-8);
    text-decoration: none;
    color: var(--text-primary);
}
.auth-logo__img {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary), #e89c6a);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: var(--fw-bold);
    font-size: var(--fs-sm);
    flex-shrink: 0;
}
.auth-logo__title {
    font-size: var(--fs-xl);
    font-weight: var(--fw-medium);
}

.auth-wrapper {
    flex: 1;
    display: flex;
    min-height: 0;
}

.auth-image {
    flex: 2;
    background: linear-gradient(135deg, #2382ca12, #2382ca26);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.auth-image::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 20%, rgba(35, 130, 202, 0.18), transparent 50%),
        radial-gradient(circle at 80% 60%, rgba(35, 130, 202, 0.12), transparent 55%);
}
.auth-image__illustration {
    position: relative;
    z-index: 1;
    max-width: 480px;
    width: 60%;
    aspect-ratio: 1 / 1;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 120px;
    box-shadow: 0 8px 32px rgba(35, 130, 202, 0.18);
}

.auth-image__footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(to top, rgba(35, 130, 202, 0.06), transparent);
    z-index: 0;
}

.auth-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: var(--sp-12) var(--sp-8);
    min-width: 0;
}

.auth-card__inner {
    margin: auto 0;
    max-width: 460px;
    width: 100%;
}

.auth-card__title {
    font-size: var(--fs-h4);
    font-weight: var(--fw-medium);
    margin-bottom: var(--sp-2);
}

.auth-card__subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--sp-6);
}

.auth-divider-text {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    margin: var(--sp-4) 0;
}

.auth-divider-text::before,
.auth-divider-text::after {
    content: "";
    flex: 1;
    height: 1px;
    background-color: var(--divider);
}

.auth-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--sp-2);
    margin-bottom: var(--sp-4);
}

.auth-foot {
    margin-top: auto;
    padding-top: var(--sp-6);
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--fs-sm);
}

.auth-foot__powered {
    margin-top: var(--sp-3);
    font-size: var(--fs-sm);
    color: var(--text-disabled);
}

.auth-foot__divider {
    margin: var(--sp-4) 0;
    height: 1px;
    background-color: var(--divider);
}

/* 暗色模式调整 */
[data-theme="dark"] .auth-image {
    background: linear-gradient(135deg, rgba(35, 130, 202, 0.08), rgba(35, 130, 202, 0.16));
}

/* ============================================================
 * 响应式
 * ============================================================ */
@media (max-width: 991.98px) {
    .auth-image {
        display: none;
    }
    .auth-card {
        padding: var(--sp-8) var(--sp-6);
    }
}

@media (max-width: 575.98px) {
    .auth-logo {
        padding: var(--sp-4) var(--sp-4);
    }
    .auth-logo__title {
        font-size: var(--fs-lg);
    }
    .auth-card {
        padding: var(--sp-6) var(--sp-4);
    }
    .auth-card__title {
        font-size: var(--fs-2xl);
    }
}

/* 桌面端 OAuth2 按钮 */
.auth-oauth2-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    width: 100%;
    height: 40px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    background-color: var(--bg-surface);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}
.auth-oauth2-btn:hover {
    background-color: var(--bg-hover);
    border-color: var(--color-primary);
}
.auth-oauth2-btn:active {
    transform: translateY(1px);
    background-color: var(--bg-active);
}
.auth-oauth2-btn.is-loading {
    color: transparent !important;
    pointer-events: none;
}
.auth-oauth2-btn.is-loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 18px;
    height: 18px;
    margin: -9px 0 0 -9px;
    border: 2px solid var(--color-primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: ebk-spin 0.7s linear infinite;
}
.auth-oauth2-btn .ebk-ripple__wave {
    background: rgba(35, 130, 202, 0.25);
}

/* 认证页面链接按压反馈 */
.auth-card a:active {
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}
.auth-logo:active {
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

/* 表单错误提示（认证页面专用，因未引入 pages.css） */
.ebk-input.is-error {
    border-color: var(--color-error);
}
.ebk-form-group.has-error .ebk-input {
    border-color: var(--color-error);
}