/* ============================================================
 * glass.css - 玻璃拟态风格覆盖层（浅色高级感）
 *
 * 作用域：
 *  - 前台：body.glass-theme（首页 + 底部5个Tab页面）
 *  - 后台：body.page-admin（所有后台页面）
 * 帖子详情页 thread/view 不应用此样式（无 glass-theme 类）
 *
 * 覆盖 base.css / layout.css / components.css / admin.css
 * 原理：本文件后加载，同优先级规则覆盖原样式
 * ============================================================ */

/* ===== 浅色玻璃拟态 CSS 变量 ===== */
.glass-theme,
.page-admin {
    --glass-bg-gradient: linear-gradient(160deg, #f8e6ee 0%, #e6ddf6 42%, #d9e7fb 100%);
    --glass-card-bg: rgba(255, 255, 255, 0.58);
    --glass-card-border: 1px solid rgba(255, 255, 255, 0.75);
    --glass-card-shadow: 0 8px 32px rgba(150, 120, 220, 0.10), 0 2px 8px rgba(255, 90, 126, 0.06);
    --glass-card-shadow-hover: 0 12px 40px rgba(150, 120, 220, 0.16), 0 4px 12px rgba(255, 90, 126, 0.10);
    --glass-nav-bg: rgba(255, 255, 255, 0.62);
    --glass-blur: blur(20px) saturate(1.5);
}

/* ============================================================
 * 一、前台玻璃拟态
 * ============================================================ */

/* ---------- 页面背景：柔和渐变 + 彩色光斑 ---------- */
.glass-theme {
    background: var(--glass-bg-gradient);
    background-attachment: fixed;
}

.glass-theme::before {
    content: '';
    position: fixed;
    top: -90px;
    right: -70px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 120, 158, 0.42) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
}

.glass-theme::after {
    content: '';
    position: fixed;
    bottom: -110px;
    left: -90px;
    width: 340px;
    height: 340px;
    background: radial-gradient(circle, rgba(112, 140, 250, 0.36) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
}

/* ---------- 顶部导航栏 ---------- */
.glass-theme .navbar,
.glass-theme .navbar-pink {
    background: var(--glass-nav-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: 0 4px 24px rgba(150, 120, 220, 0.08);
}

/* 非首页导航文字保持可读（玻璃背景下用深色文字） */
.glass-theme .navbar-pink .navbar-title,
.glass-theme .navbar-pink .navbar-back,
.glass-theme .navbar-pink .navbar-icon {
    color: #3a3a4a;
}

/* ---------- 搜索栏区域（首页） ---------- */
.glass-theme .search-bar-wrap {
    background: rgba(255, 255, 255, 0.35);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
}

.glass-theme .search-bar {
    background: rgba(255, 255, 255, 0.8);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: 1px solid rgba(255, 255, 255, 0.85);
    box-shadow: 0 4px 16px rgba(150, 120, 220, 0.10);
}

/* ---------- 首页 Tab 导航 ---------- */
.glass-theme .home-tabs {
    background: rgba(255, 255, 255, 0.45);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.6);
}

.glass-theme .home-tab-item {
    color: rgba(90, 80, 120, 0.75);
}

.glass-theme .home-tab-item.active {
    color: #FF5A7E;
    font-weight: 700;
}

.glass-theme .home-tab-item.active::after {
    background: linear-gradient(90deg, #FF5A7E, #c084fc);
}

/* ---------- 底部 Tab 栏（玻璃） ---------- */
.glass-theme .tabbar {
    background: rgba(255, 255, 255, 0.68);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border-top: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 -4px 24px rgba(150, 120, 220, 0.08);
}

.glass-theme .tabbar-item.active {
    color: #FF5A7E;
}

.glass-theme .tabbar-badge {
    box-shadow: 0 2px 8px rgba(250, 81, 81, 0.4);
}

/* ============================================================
 * 二、前台卡片玻璃化（覆盖 components.css）
 * ============================================================ */

/* ---------- 首页瀑布流帖子卡片 ---------- */
.glass-theme .post-card {
    background: var(--glass-card-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-card-border);
    box-shadow: var(--glass-card-shadow);
}

.glass-theme .post-card:hover {
    box-shadow: var(--glass-card-shadow-hover);
    transform: translateY(-2px);
}

/* 卡片内图片区：轻微磨砂 */
.glass-theme .post-card-img-wrap {
    background: linear-gradient(135deg, #ffe9ef, #ede7ff);
}

/* ---------- 首页轮播 ---------- */
.glass-theme .home-banner {
    border-radius: 16px;
    box-shadow: var(--glass-card-shadow);
    overflow: hidden;
    border: var(--glass-card-border);
}

/* ---------- 快捷入口 ---------- */
.glass-theme .quick-entry-btn {
    background: var(--glass-card-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-card-border);
    box-shadow: var(--glass-card-shadow);
}

/* ---------- 首页热门板块 ---------- */
.glass-theme .category-section .section-header {
    padding: 14px 16px 8px;
}

.glass-theme .hot-forum-link {
    background: var(--glass-card-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-card-border);
    box-shadow: var(--glass-card-shadow);
}

/* ---------- 板块页（女神 Tab）网格卡片 ---------- */
.glass-theme .forum-grid-card {
    background: var(--glass-card-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-card-border);
    box-shadow: var(--glass-card-shadow);
    border-radius: 14px;
    overflow: hidden;
}

.glass-theme .forum-grid-card:hover {
    box-shadow: var(--glass-card-shadow-hover);
    transform: translateY(-2px);
}

.glass-theme .forum-grid-img-wrap {
    background: linear-gradient(135deg, #ffe9ef, #e6e0ff);
}

/* ---------- VIP 页面 ---------- */
.glass-theme .vip-page .vip-plan-card {
    background: var(--glass-card-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-card-border);
    box-shadow: var(--glass-card-shadow);
    border-radius: 16px;
}

.glass-theme .vip-page .vip-plan-card:hover {
    box-shadow: 0 2px 8px rgba(255, 90, 126, 0.08);
    transform: none;
}

/* 选中卡片：简洁描边 + 轻微发光（玻璃主题优化） */
.glass-theme .vip-page .vip-plan-card.active {
    background: linear-gradient(135deg, rgba(255, 248, 250, 0.85), rgba(250, 248, 255, 0.85));
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: 1.5px solid #FF5A7E;
    box-shadow: 0 3px 12px rgba(255, 90, 126, 0.12);
    transform: none;
}

.glass-theme .vip-page .vip-plan-card.active::before {
    display: none;
}

.glass-theme .vip-page .vip-plan-card.active .vip-plan-card-price {
    color: #FF5A7E;
}

.glass-theme .vip-page .vip-form input,
.glass-theme .vip-page .vip-form select {
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.9);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}

/* ---------- 我的页面（Profile） ---------- */
.glass-theme .profile-card {
    background: var(--glass-card-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-card-border);
    box-shadow: var(--glass-card-shadow);
}

.glass-theme .profile-menu .menu-item {
    background: var(--glass-card-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-card-border);
    box-shadow: var(--glass-card-shadow);
}

.glass-theme .profile-stats {
    background: rgba(255, 255, 255, 0.45);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}

/* ---------- 消息页面（通知列表 + 聊天） ---------- */
.glass-theme .notification-item {
    background: var(--glass-card-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-card-border);
    box-shadow: var(--glass-card-shadow);
}

.glass-theme .notification-item:hover {
    box-shadow: var(--glass-card-shadow-hover);
}

/* 消息页 Tab 导航 */
.glass-theme .msg-tab-nav {
    background: rgba(255, 255, 255, 0.55);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
}

/* 聊天面板 */
.glass-theme .chat-panel-inline {
    background: rgba(245, 240, 250, 0.55);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
}

.glass-theme .chat-panel-inline .panel-messages-inline {
    background: rgba(245, 240, 250, 0.4);
}

.glass-theme .chat-panel-inline .panel-header-inline,
.glass-theme .chat-panel-inline .panel-input-inline {
    background: rgba(255, 255, 255, 0.6);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-color: rgba(255, 255, 255, 0.8);
}

/* ---------- 通用按钮 ---------- */
.glass-theme .btn-primary,
.glass-theme .send-btn-inline {
    background: linear-gradient(135deg, #FF5A7E, #ff7a9e);
    box-shadow: 0 4px 14px rgba(255, 90, 126, 0.3);
}

/* ============================================================
 * 三、后台玻璃拟态（body.page-admin）
 * ============================================================ */

.page-admin {
    background: var(--glass-bg-gradient);
    background-attachment: fixed;
}

.page-admin::before {
    content: '';
    position: fixed;
    top: -90px;
    right: -70px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(255, 120, 158, 0.36) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}

.page-admin::after {
    content: '';
    position: fixed;
    bottom: -110px;
    left: -90px;
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(112, 140, 250, 0.32) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}

/* 后台主体布局让内容盖在光斑上 */
.page-admin .admin-layout {
    position: relative;
    z-index: 1;
}

/* ---------- 后台顶部栏 ---------- */
.page-admin .admin-header {
    background: rgba(255, 255, 255, 0.62);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: 0 4px 24px rgba(150, 120, 220, 0.08);
    color: #3a3a4a;
}

.page-admin .admin-header-title {
    color: #3a3a4a;
}

.page-admin .admin-header-back {
    color: #666;
}

/* ---------- 后台左侧菜单 ---------- */
.page-admin .admin-sidebar {
    background: rgba(255, 255, 255, 0.5);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-right: 1px solid rgba(255, 255, 255, 0.6);
}

.page-admin .admin-sidebar-item {
    color: #555;
    border-radius: 10px;
    margin: 2px 10px;
}

.page-admin .admin-sidebar-item:hover {
    background: rgba(255, 90, 126, 0.08);
    color: #FF5A7E;
}

.page-admin .admin-sidebar-item.active {
    background: linear-gradient(135deg, rgba(255, 90, 126, 0.15), rgba(192, 132, 252, 0.15));
    color: #FF5A7E;
    font-weight: 600;
}

/* ---------- 后台移动端横向菜单 ---------- */
.page-admin .admin-mobile-nav {
    background: rgba(255, 255, 255, 0.55);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.6);
}

.page-admin .admin-mobile-nav-item.active {
    color: #FF5A7E;
}

/* ---------- 后台内容区 ---------- */
.page-admin .admin-content {
    background: transparent;
}

/* ---------- 后台卡片 ---------- */
.page-admin .admin-card {
    background: var(--glass-card-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-card-border);
    box-shadow: var(--glass-card-shadow);
    border-radius: 14px;
}

/* ---------- 后台统计卡片 ---------- */
.page-admin .stat-card {
    background: var(--glass-card-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-card-border);
    box-shadow: var(--glass-card-shadow);
    border-radius: 14px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-admin .stat-card:hover {
    box-shadow: var(--glass-card-shadow-hover);
    transform: translateY(-2px);
}

/* ---------- 后台表单 ---------- */
.page-admin .admin-form-input,
.page-admin .admin-form-select,
.page-admin .admin-form-textarea {
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.9);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

/* ---------- 后台按钮 ---------- */
.page-admin .admin-btn-primary {
    background: linear-gradient(135deg, #FF5A7E, #c084fc);
    box-shadow: 0 4px 14px rgba(255, 90, 126, 0.3);
}

/* ============================================================
 * 四、注册趋势柱状图（后台仪表盘新增）
 * ============================================================ */

.reg-chart {
    display: flex;
    align-items: flex-end;
    gap: 3px;
    height: 130px;
    padding: 12px 4px 0;
}

.reg-chart-bar-wrap {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    height: 100%;
    min-width: 0;
}

.reg-chart-bar {
    width: 70%;
    max-width: 22px;
    min-height: 2px;
    background: linear-gradient(180deg, #ff8fa8, #c084fc);
    border-radius: 4px 4px 2px 2px;
    box-shadow: 0 2px 6px rgba(255, 90, 126, 0.25);
    transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.reg-chart-bar-wrap:hover .reg-chart-bar {
    filter: brightness(1.1);
}

.reg-chart-day {
    font-size: 10px;
    color: #aaa;
    margin-top: 4px;
    transform: scale(0.9);
    white-space: nowrap;
}

/* 每5天显示一个日期标签，其余隐藏（避免拥挤） */
.reg-chart-day.lbl-hidden {
    visibility: hidden;
}

.reg-chart-value {
    font-size: 10px;
    color: #FF5A7E;
    font-weight: 600;
    margin-bottom: 2px;
    opacity: 0;
    transition: opacity 0.2s;
}

.reg-chart-bar-wrap:hover .reg-chart-value {
    opacity: 1;
}

.reg-chart-legend {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: #666;
    margin-top: 10px;
    padding: 0 4px;
}

.reg-chart-legend span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.reg-chart-legend i {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    display: inline-block;
}

/* ============================================================
 * 五、登录 / 注册页（auth）玻璃化
 * ============================================================ */

/* 登录容器整体玻璃卡片 */
.glass-theme .auth-page {
    max-width: 400px;
    margin: 0 auto;
    padding: 24px 20px 32px;
}

.glass-theme .auth-header {
    text-align: center;
    margin-bottom: 20px;
}

.glass-theme .auth-logo {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, #FF5A7E, #c084fc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    letter-spacing: 1px;
}

.glass-theme .auth-subtitle {
    color: #888;
    font-size: 13px;
    margin-top: 4px;
}

.glass-theme .auth-form {
    background: var(--glass-card-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-card-border);
    box-shadow: var(--glass-card-shadow);
    border-radius: 18px;
    padding: 24px 20px;
}

.glass-theme .auth-form .form-input {
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.9);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: 10px;
}

.glass-theme .auth-form .form-input:focus {
    border-color: #FF5A7E;
    box-shadow: 0 0 0 3px rgba(255, 90, 126, 0.12);
}

.glass-theme .auth-form .btn-primary {
    background: linear-gradient(135deg, #FF5A7E, #c084fc);
    box-shadow: 0 4px 16px rgba(255, 90, 126, 0.32);
    border-radius: 10px;
}

.glass-theme .auth-footer {
    text-align: center;
    color: #999;
    font-size: 13px;
    margin-top: 18px;
}

.glass-theme .auth-footer a {
    color: #FF5A7E;
    font-weight: 600;
}

.glass-theme .captcha-img {
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.9);
}

/* ============================================================
 * 六、邀请页玻璃化
 * ============================================================ */

.glass-theme .invite-page {
    max-width: 480px;
    margin: 0 auto;
    padding: 12px 0;
}

/* 邀请统计卡片 */
.glass-theme .invite-stats {
    display: flex;
    gap: 12px;
    margin: 0 14px 14px;
}

.glass-theme .invite-stat-item {
    flex: 1;
    background: var(--glass-card-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-card-border);
    box-shadow: var(--glass-card-shadow);
    border-radius: 14px;
    padding: 18px 12px;
    text-align: center;
}

.glass-theme .invite-stat-value {
    display: block;
    font-size: 26px;
    font-weight: 700;
    background: linear-gradient(135deg, #FF5A7E, #c084fc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.glass-theme .invite-stat-label {
    display: block;
    font-size: 12px;
    color: #888;
    margin-top: 4px;
}

/* 邀请区块卡片 */
.glass-theme .invite-section {
    margin: 0 14px 14px;
    background: var(--glass-card-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-card-border);
    box-shadow: var(--glass-card-shadow);
    border-radius: 14px;
    padding: 16px;
}

.glass-theme .invite-section-title {
    font-size: 15px;
    font-weight: 600;
    color: #3a3a4a;
    margin-bottom: 12px;
}

.glass-theme .invite-link-box {
    background: rgba(255, 255, 255, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.75);
    border-radius: 10px;
    padding: 12px;
}

.glass-theme .invite-link-input {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: 8px;
}

.glass-theme .invite-copy-btn {
    background: linear-gradient(135deg, #FF5A7E, #c084fc);
    box-shadow: 0 3px 10px rgba(255, 90, 126, 0.25);
}

/* 邀请记录 */
.glass-theme .invite-record-item {
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.75);
    border-radius: 10px;
    padding: 10px 12px;
    margin-bottom: 8px;
}

.glass-theme .invite-qr-img-wrap {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 16px rgba(150, 120, 220, 0.12);
}

.glass-theme .invite-qr-download {
    background: linear-gradient(135deg, #FF5A7E, #c084fc);
    color: #fff;
    box-shadow: 0 3px 10px rgba(255, 90, 126, 0.25);
    border-radius: 8px;
}