/* ============================================
   云界论坛 - 全局样式
   现代化、精致、响应式
   ============================================ */

:root {
    /* 主色调：靛蓝品牌色 */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-darker: #4338ca;
    --primary-light: #eef2ff;
    --primary-lighter: #e0e7ff;
    --primary-glow: rgba(99, 102, 241, 0.2);

    /* 辅助色 */
    --secondary: #6b7280;
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #2563eb;
    --warning-light: #dbeafe;
    --error: #ef4444;
    --error-light: #fee2e2;
    --info: #0ea5e9;
    --info-light: #e0f2fe;

    /* 中性色（ refined ） */
    --bg: #f8fafc;
    --bg-soft: #f1f5f9;
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --surface-3: #f1f5f9;
    --text: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --border-strong: #cbd5e1;
    --border-soft: #f1f5f9;

    /* 品牌别名（兼容使用 --brand 的组件） */
    --brand: var(--primary);
    --brand-active: var(--primary-dark);
    --brand-soft: var(--primary-light);
    --brand-glow: var(--primary-glow);

    /* 阴影系统（更精致） */
    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05), 0 1px 2px rgba(15, 23, 42, 0.03);
    --shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 12px 28px rgba(15, 23, 42, 0.12);
    --shadow-xl: 0 20px 48px rgba(15, 23, 42, 0.16);
    --shadow-glow: 0 0 0 4px var(--primary-glow);

    /* 圆角 */
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 999px;

    /* 过渡 */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* 布局 */
    --header-height: 56px;
    --container-width: 1200px;
}

* {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    background-color: var(--bg);
    background-image:
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.03) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(99, 102, 241, 0.02) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

::selection {
    background: var(--primary-light);
    color: var(--primary-dark);
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-soft);
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-soft);
    transition: var(--transition);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* ============================================
   布局容器
   ============================================ */

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============================================
   头部导航
   ============================================ */

.site-header {
    background: var(--surface);
    color: var(--text);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.03);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.header-top {
    border-bottom: 1px solid var(--border-soft);
}

.header-top-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text);
    font-weight: 700;
    transition: var(--transition);
}

.brand:hover {
    opacity: 0.9;
}

.brand-logo {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-lighter) 100%);
    padding: 6px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.15);
}

.brand-info {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.brand-name {
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
    background: linear-gradient(135deg, var(--text) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-slogan {
    font-size: 0.78rem;
    font-weight: 400;
    color: var(--text-muted);
    letter-spacing: 0.01em;
}

.header-tools {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.header-search {
    display: flex;
    align-items: center;
    gap: 0;
    background: var(--surface-2);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-full);
    padding: 0.125rem 0.25rem 0.125rem 1rem;
    transition: var(--transition);
    width: 240px;
}

.header-search:focus-within {
    border-color: var(--primary);
    background: var(--surface);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.header-search-input {
    border: none;
    background: transparent;
    color: var(--text);
    font-size: 0.875rem;
    outline: none;
    width: 100%;
    font-family: inherit;
    min-height: 32px;
}

.header-search-input::placeholder {
    color: var(--text-muted);
}

.header-search-btn {
    border: none;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(99, 102, 241, 0.3);
}

.header-search-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-darker) 100%);
    box-shadow: 0 3px 10px rgba(99, 102, 241, 0.4);
}

.header-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.25rem 0.625rem 0.25rem 0.25rem;
    border-radius: var(--radius-full);
    transition: var(--transition);
    white-space: nowrap;
    border: 1.5px solid transparent;
}

.header-user:hover {
    background: var(--surface-2);
    color: var(--text);
    border-color: var(--border);
}

.header-user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.header-user-avatar-text {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-2);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.875rem;
}

.header-user-name {
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-dropdown-caret {
    color: var(--text-muted);
    transition: var(--transition);
    flex-shrink: 0;
}

.user-dropdown {
    position: relative;
}

/* 通知下拉 */
.notification-dropdown {
    position: relative;
}

.notification-trigger {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.notification-trigger:hover {
    background: var(--surface-2);
    color: var(--text);
}

.notification-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 16px;
    height: 16px;
    padding: 0 0.25rem;
    background: var(--error);
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--surface);
}

.notification-panel {
    position: fixed;
    top: 0;
    left: 0;
    width: 320px;
    max-width: calc(100vw - 1.5rem);
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.98);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
    z-index: 9999;
    pointer-events: none;
}

.notification-panel.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.notification-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-soft);
}

.notification-panel-title {
    font-weight: 700;
    color: var(--text);
}

.notification-panel-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.notification-panel-mark,
.notification-panel-all {
    font-size: 0.8125rem;
    color: var(--primary);
}

.notification-panel-mark {
    font-weight: 600;
}

.notification-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.notification-empty {
    padding: 1.5rem 1rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.notification-item {
    border-bottom: 1px solid var(--border-soft);
}

.notification-item:last-child {
    border-bottom: none;
}

.notification-item.is-unread {
    background: var(--primary-light);
}

.notification-link {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text);
}

.notification-link:hover {
    background: var(--surface-2);
    color: var(--text);
}

.notification-title {
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 0.125rem;
}

.notification-content {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    line-height: 1.4;
}

.notification-time {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* 通知列表页 */
.notification-full-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.notification-full-item {
    border-bottom: 1px solid var(--border-soft);
}

.notification-full-item:last-child {
    border-bottom: none;
}

.notification-full-item.is-unread {
    background: var(--primary-light);
}

.notification-full-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem;
    color: var(--text);
}

.notification-full-link:hover {
    background: var(--surface-2);
    color: var(--text);
}

.notification-full-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.notification-full-content {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.notification-full-time {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.notification-unread-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--error);
    flex-shrink: 0;
}

.header-user[aria-expanded="true"] .user-dropdown-caret {
    transform: rotate(180deg);
}

.user-dropdown-panel {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    max-width: calc(100vw - 1.5rem);
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.98);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
    z-index: 9999;
    pointer-events: none;
}

.user-dropdown-panel.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.user-dropdown-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0.875rem;
    border-bottom: 1px solid var(--border-soft);
}

.user-dropdown-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-light);
}

.user-dropdown-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-dropdown-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-soft);
}

.user-dropdown-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.125rem;
}

.user-dropdown-stat-num {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
}

.user-dropdown-stat-label {
    font-size: 0.6875rem;
    color: var(--text-muted);
}

.user-dropdown-tabs {
    display: flex;
    margin: 0.75rem -0.75rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.user-dropdown-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.125rem;
    padding: 0.5rem 0;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    background: var(--surface-2);
    transition: var(--transition);
}

.user-dropdown-tab + .user-dropdown-tab {
    border-left: 1px solid var(--border);
}

.user-dropdown-tab:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.user-dropdown-tab-count {
    color: var(--primary);
    font-weight: 600;
}

.user-dropdown-menu {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.25rem;
    padding: 0.75rem 0;
}

@media (max-width: 320px) {
    .user-dropdown-menu {
        grid-template-columns: repeat(3, 1fr);
    }
}

.user-dropdown-menu-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.125rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.6875rem;
    line-height: 1.25;
    transition: var(--transition);
    position: relative;
    text-align: center;
    min-width: 0;
}

.user-dropdown-menu-item:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.user-dropdown-menu-item svg {
    flex-shrink: 0;
}

.user-dropdown-menu-badge {
    position: absolute;
    top: 0.25rem;
    right: 0.5rem;
    min-width: 16px;
    height: 16px;
    padding: 0 0.25rem;
    background: var(--error);
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.user-dropdown-logout {
    display: block;
    width: 100%;
    padding: 0.625rem;
    margin-top: 0.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 0.9375rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 2px 6px rgba(99, 102, 241, 0.25);
}

.user-dropdown-logout:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-darker) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

/* ============================================
   主内容区
   ============================================ */

.site-main {
    flex: 1;
    padding: 1.5rem 0;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-tools {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.page-title {
    margin: 0;
    font-size: 1.625rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
}

/* ============================================
   卡片
   ============================================ */

.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.25rem;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
}

.admin-search-form {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    max-width: 420px;
}

.admin-search-form .form-control {
    flex: 1;
    min-width: 0;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.875rem;
    border-bottom: 2px solid var(--border-soft);
}

.card-title {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.01em;
}

/* ============================================
   按钮
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.5;
    min-height: 42px;
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-darker) 100%);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--surface-3);
    color: var(--text);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-xs);
    font-weight: 500;
}

.btn-secondary:hover {
    background: var(--border-strong);
    border-color: var(--text-muted);
    color: var(--text);
    box-shadow: var(--shadow-sm);
}

/* 已签到状态：使用成功色系的浅底，明确表达"已完成" */
.btn-checked-in {
    background: var(--success-light);
    color: var(--success);
    border-color: var(--success);
    box-shadow: var(--shadow-xs);
    font-weight: 500;
    cursor: default;
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, var(--error) 0%, #dc2626 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.4);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.btn-warning:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-darker) 100%);
    color: white;
    transform: translateY(-1px);
}

.btn-accent {
    background: linear-gradient(135deg, #db2777 0%, #be185d 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(219, 39, 119, 0.3);
}

.btn-accent:hover {
    background: linear-gradient(135deg, #be185d 0%, #9d174d 100%);
    color: white;
    transform: translateY(-1px);
}

.btn-disabled {
    background: var(--bg-soft);
    color: var(--text-muted);
    cursor: not-allowed;
    box-shadow: none;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 0.8125rem;
    min-height: 34px;
}

/* ============================================
   表单
   ============================================ */

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text);
    font-size: 0.9375rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    background: var(--surface-2);
    color: var(--text);
    transition: var(--transition);
    min-height: 44px;
}

.form-control:hover {
    border-color: var(--text-muted);
    background: var(--surface);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--surface);
    box-shadow: var(--shadow-glow);
}

.form-control.is-invalid {
    border-color: var(--error);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
}

/* 密码输入框：显示/隐藏切换 */
.input-pwd-wrap {
    position: relative;
    display: block;
}
.input-pwd-wrap .form-control {
    width: 100%;
    padding-right: 2.75rem;
}
.input-pwd-toggle {
    position: absolute;
    top: 50%;
    right: 0.5rem;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    padding: 0;
}
.input-pwd-toggle:hover {
    color: var(--primary);
    background: var(--surface-2);
}
.input-pwd-toggle:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

textarea.form-control {
    min-height: 140px;
    resize: vertical;
    line-height: 1.6;
}

.form-hint {
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.form-error {
    color: var(--error);
    font-size: 0.8125rem;
    margin-top: 0.375rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.form-group-half {
    margin-bottom: 1.25rem;
}

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

.form-control-static {
    min-height: 44px;
    display: flex;
    align-items: center;
    padding: 0.75rem 0;
}

.form-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

/* 双栏网格（后台编辑页） */
.grid {
    display: grid;
    gap: 1.25rem;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 920px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

/* 复选卡片网格 */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.75rem;
}

.checkbox-card {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.75rem;
    background: var(--surface-2);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.checkbox-card:hover {
    border-color: var(--primary);
    background: var(--surface);
}

.checkbox-card input[type="checkbox"] {
    margin-bottom: 0.25rem;
}

.checkbox-label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text);
}

.checkbox-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
    word-break: break-word;
}

/* 等级规则展示 */
.group-rules {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.group-rule-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.625rem;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
}

.color-preview {
    display: inline-block;
    width: 20px;
    height: 20px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    vertical-align: middle;
    margin-right: 0.5rem;
}

/* ============================================
   提示框
   ============================================ */

.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
    border-left: 4px solid transparent;
    font-size: 0.9375rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideIn 0.3s ease;
}

.alert-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    font-weight: 700;
    font-size: 0.8125rem;
    flex-shrink: 0;
}

.alert-message {
    flex: 1;
}

.alert-close {
    background: none;
    border: none;
    color: inherit;
    opacity: 0.6;
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
    padding: 0;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.alert-close:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.06);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: var(--success-light);
    border-color: var(--success);
    color: #065f46;
}

.alert-error {
    background: var(--error-light);
    border-color: var(--error);
    color: #991b1b;
}

.alert-warning {
    background: var(--warning-light);
    border-color: var(--warning);
    color: #1e40af;
}

.alert-info {
    background: var(--info-light);
    border-color: var(--info);
    color: #075985;
}

/* ============================================
   帖子列表
   ============================================ */

.post-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.post-item {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.post-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
    opacity: 0;
    transition: var(--transition);
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.post-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--primary-lighter);
}

.post-item:hover::before {
    opacity: 1;
}

.post-item.pinned {
    border-left: 4px solid var(--primary);
    background: linear-gradient(135deg, var(--surface) 0%, rgba(99, 102, 241, 0.06) 100%);
}

.post-title {
    margin: 0 0 0.75rem;
    font-size: 1.1875rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.post-title a {
    color: var(--text);
}

.post-title a:hover {
    color: var(--primary);
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.post-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.post-meta-icon {
    display: inline-flex;
    align-items: center;
    color: var(--primary);
}

.post-meta-icon .forum-svg-icon {
    width: 16px;
    height: 16px;
}

.post-excerpt {
    margin: 0.875rem 0 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.post-stats {
    display: flex;
    gap: 1.25rem;
    margin-top: 1rem;
    padding-top: 0.875rem;
    border-top: 1px solid var(--border-soft);
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.post-stat {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-weight: 500;
}

.pin-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background: linear-gradient(135deg, var(--warning) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 2px 4px rgba(99, 102, 241, 0.25);
}

/* ============================================
   帖子详情
   ============================================ */

.post-detail {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.75rem;
    border: 1px solid var(--border);
}

.post-content {
    font-size: 1rem;
    line-height: 1.85;
    word-break: break-word;
    color: var(--text);
}

.post-content p {
    margin: 0 0 1rem;
}

.post-content p:last-child {
    margin-bottom: 0;
}

.post-author {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
}

.avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.avatar-lg {
    width: 80px;
    height: 80px;
}

.avatar-xl {
    width: 110px;
    height: 110px;
}

.avatar-sm {
    width: 36px;
    height: 36px;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--text);
}

.author-meta {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ============================================
   回复
   ============================================ */

.replies-section {
    margin-top: 1.75rem;
}

.reply-item {
    display: flex;
    gap: 1rem;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border-soft);
    transition: var(--transition);
}

.reply-item:hover {
    background: var(--surface-2);
    margin: 0 -0.75rem;
    padding-left: 0.75rem;
    padding-right: 0.75rem;
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
    border-radius: var(--radius-sm);
}

.reply-item:last-child {
    border-bottom: none;
}

.reply-body {
    flex: 1;
    min-width: 0;
}

.reply-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.reply-content {
    color: var(--text);
    line-height: 1.7;
    word-break: break-word;
}

/* ============================================
   个人中心
   ============================================ */

.profile-banner {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 50%, #4338ca 100%);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 40px -15px rgba(99, 102, 241, 0.45);
    overflow: hidden;
    margin-bottom: 1.5rem;
    position: relative;
    color: white;
}

.profile-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(at 20% 30%, rgba(255, 255, 255, 0.18) 0px, transparent 40%),
        radial-gradient(at 80% 70%, rgba(255, 255, 255, 0.12) 0px, transparent 50%);
    pointer-events: none;
}

.profile-banner-inner {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    padding: 2rem 2.25rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.profile-avatar-wrap {
    position: relative;
    flex-shrink: 0;
}

.profile-avatar-wrap .avatar {
    border: 4px solid rgba(255, 255, 255, 0.95);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    background: white;
}

.profile-level-badge {
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 700;
    color: white;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
    border: 2px solid white;
    letter-spacing: 0.02em;
}

.profile-meta {
    flex: 1;
    min-width: 220px;
}

.profile-name {
    margin: 0 0 0.375rem;
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.625rem;
    flex-wrap: wrap;
}

.profile-name .badge {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.profile-signature {
    color: rgba(255, 255, 255, 0.92);
    margin: 0 0 0.875rem;
    font-style: italic;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.profile-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.profile-tags .badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    text-transform: none;
    letter-spacing: 0;
    font-size: 0.75rem;
}

.profile-tags .medal {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.profile-actions {
    flex-shrink: 0;
    display: flex;
    gap: 0.625rem;
    flex-wrap: wrap;
}

.profile-actions .btn {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    border: 1px solid transparent;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.profile-actions .btn:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-darker) 100%);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.35);
}

.profile-actions .btn-checked-in {
    background: var(--success-light);
    color: var(--success);
    border-color: var(--success);
}

.profile-actions .btn-disabled {
    background: var(--surface-3);
    color: var(--text-muted);
    border-color: var(--border);
    cursor: not-allowed;
    box-shadow: none;
}

.profile-stats-bar {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    position: relative;
    z-index: 1;
}

.profile-stat {
    text-align: center;
    padding: 1.125rem 0.5rem;
    border-right: 1px solid rgba(255, 255, 255, 0.12);
    transition: var(--transition);
}

.profile-stat:last-child {
    border-right: none;
}

.profile-stat:hover {
    background: rgba(255, 255, 255, 0.08);
}

.profile-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.profile-stat-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.85);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.25rem;
}

/* 兼容旧版 profile-header（若存在） */
.profile-header {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    flex-wrap: wrap;
}

.profile-info {
    flex: 1;
    min-width: 200px;
}

.profile-stats {
    display: flex;
    gap: 1.75rem;
    flex-wrap: wrap;
}

/* ============================================
   标签页
   ============================================ */

.tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 2px solid var(--border);
    margin-bottom: 1.5rem;
    overflow-x: auto;
    scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
    display: none;
}

.tab {
    padding: 0.75rem 1.125rem;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    font-weight: 500;
    transition: var(--transition);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.tab:hover {
    color: var(--text);
    background: var(--surface-2);
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 700;
}

/* ============================================
   分页
   ============================================ */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.75rem;
    flex-wrap: wrap;
}

.page-numbers {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.page-number {
    min-width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    padding: 0 0.375rem;
}

.page-number:hover {
    background: var(--bg-soft);
    color: var(--primary);
}

.page-number.active {
    background: var(--primary);
    color: white;
}

.page-ellipsis {
    color: var(--text-muted);
    padding: 0 0.375rem;
    user-select: none;
}

.page-info {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* 新回复提示条 */
.new-replies-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin: 1rem 0;
    padding: 0.625rem 0.875rem;
    background: var(--primary-light);
    color: var(--primary-dark);
    border: 1px solid var(--primary-lighter);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

/* ============================================
   徽章与勋章
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.badge-success {
    background: var(--success-light);
    color: #065f46;
}

.badge-warning {
    background: var(--warning-light);
    color: #1e40af;
}

.badge-danger {
    background: var(--error-light);
    color: #991b1b;
}

.badge-info {
    background: var(--info-light);
    color: #0c4a6e;
}

.badge-secondary {
    background: var(--surface-3);
    color: var(--text-secondary);
}

.text-sm {
    font-size: 0.8125rem;
}

.mt-1 {
    margin-top: 0.25rem;
}

.medal {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.3rem 0.625rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    border: 1.5px solid currentColor;
    background: var(--surface);
    box-shadow: var(--shadow-xs);
}

/* ============================================
   空状态
   ============================================ */

.empty-state {
    text-align: center;
    padding: 3.5rem 1rem;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    opacity: 0.6;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ============================================
   管理后台
   ============================================ */

.admin-grid {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 1.75rem;
}

.admin-sidebar {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem;
    border: 1px solid var(--border);
    height: fit-content;
    position: sticky;
    top: calc(var(--header-height) + 1.5rem);
}

/* 菜单分组 */
.admin-menu-group {
    margin-bottom: 0.25rem;
}
.admin-menu-group:last-child {
    margin-bottom: 0;
}
.admin-menu-group-title {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    user-select: none;
}
.admin-menu-group-title:hover {
    background: var(--surface-2);
    color: var(--text-secondary);
}
.admin-menu-group-arrow {
    transition: transform 0.2s ease;
    opacity: 0.6;
}
.admin-menu-group.is-expanded .admin-menu-group-arrow {
    transform: rotate(180deg);
}
/* 折叠状态：隐藏菜单列表 */
.admin-menu-group:not(.is-expanded) .admin-menu {
    display: none;
}

.admin-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.admin-menu-item {
    margin-bottom: 0.25rem;
}

.admin-menu-link {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.75rem 0.875rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition);
}

.admin-menu-link:hover {
    background: var(--surface-2);
    color: var(--text);
}

.admin-menu-link.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.admin-menu-icon {
    width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.admin-menu-svg {
    width: 18px;
    height: 18px;
    display: block;
}

.admin-menu-label {
    flex: 1;
    min-width: 0;
}

.admin-menu-badge {
    min-width: 18px;
    height: 18px;
    padding: 0 0.375rem;
    background: var(--error);
    color: white;
    font-size: 0.6875rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.admin-menu-link.active .admin-menu-badge {
    background: white;
    color: var(--error);
}

.admin-menu-badge.badge-pulse {
    animation: badge-pulse-anim 0.6s ease;
}

@keyframes badge-pulse-anim {
    0%   { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5); }
    50%  { transform: scale(1.3); box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-soft);
}

.filter-tab {
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--surface-2);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.filter-tab:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    border-color: var(--primary-light);
}

.filter-tab.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.form-control-sm {
    padding: 0.375rem 0.625rem;
    font-size: 0.875rem;
    min-height: 32px;
}

.admin-content {
    min-width: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.75rem;
}

.stat-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
    opacity: 0.9;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--primary-lighter);
}

.stat-card-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.stat-card-label {
    color: var(--text-muted);
    font-size: 0.8125rem;
    margin-top: 0.25rem;
    font-weight: 500;
}

.stat-card-value.pulse {
    animation: stat-pulse-anim 0.6s ease;
}

@keyframes stat-pulse-anim {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.15); color: var(--primary); }
    100% { transform: scale(1); }
}

/* ============================================
   表格
   ============================================ */

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.data-table th,
.data-table td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-soft);
}

.data-table th {
    font-weight: 700;
    color: var(--text-secondary);
    background: var(--surface-2);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: sticky;
    top: 0;
}

.data-table tr:hover td {
    background: var(--surface-2);
}

/* 紧凑表格：后台用户管理 */
.data-table-compact th,
.data-table-compact td {
    padding: 0.625rem 0.75rem;
    vertical-align: middle;
}

.data-table-compact .col-uid {
    width: 90px;
    min-width: 90px;
    white-space: nowrap;
}

.data-table-compact .col-group {
    width: 110px;
    min-width: 110px;
    white-space: nowrap;
}

.data-table-compact .col-status {
    width: 80px;
    min-width: 80px;
    white-space: nowrap;
}

.data-table-compact .col-number {
    width: 60px;
    min-width: 60px;
    text-align: center;
}

.data-table-compact .col-time {
    width: 110px;
    min-width: 110px;
    white-space: nowrap;
}

.data-table-compact .col-actions {
    width: 260px;
    min-width: 260px;
    white-space: nowrap;
}

.uid-code {
    display: inline-block;
    background: var(--surface-2);
    color: var(--text-secondary);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    letter-spacing: 0.02em;
}

.user-cell {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-cell .avatar-sm {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.user-cell-info {
    min-width: 0;
}

.user-cell-name {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-weight: 600;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-cell-email {
    font-size: 0.75rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.action-btns {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.action-btns .btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-sm);
}

/* ============================================
   页脚
   ============================================ */

.site-footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 1.75rem 0;
    margin-top: auto;
    box-shadow: 0 -1px 3px rgba(15, 23, 42, 0.03);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.footer-version {
    font-family: "SF Mono", "Monaco", "Consolas", monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.7;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8125rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.15s ease;
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-sep {
    color: var(--border);
    user-select: none;
}

/* ============================================
   工具类
   ============================================ */

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.justify-between { justify-content: space-between; }
.items-center { align-items: center; }
.w-full { width: 100%; }
.hidden { display: none !important; }

/* ============================================
   认证页面
   ============================================ */

.auth-container {
    max-width: 440px;
    margin: 0 auto;
}

.auth-header {
    text-align: center;
    margin-bottom: 1.75rem;
}

.auth-logo {
    width: 72px;
    height: 72px;
    margin-bottom: 1rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}

.auth-title {
    margin: 0;
    font-size: 1.625rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.banned-card {
    padding: 2.5rem 2rem;
    text-align: center;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}

.banned-visual {
    margin-bottom: 1.75rem;
}

.banned-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 96px;
    height: 96px;
    margin-bottom: 1.25rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #dc2626;
    box-shadow: 0 8px 24px rgba(220, 38, 38, 0.16);
}

.banned-title {
    margin: 0 0 0.375rem;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
}

.banned-subtitle {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.banned-info {
    text-align: left;
    background: var(--surface-2);
    border-radius: var(--radius);
    padding: 0.75rem 1.25rem;
    margin-bottom: 1.75rem;
    border: 1px solid var(--border);
}

.banned-info-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--border);
}

.banned-info-item:last-child {
    border-bottom: none;
}

.banned-info-item.banned-info-highlight {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
    border-radius: calc(var(--radius) - 4px);
    margin: 0.5rem -0.5rem;
    padding: 0.875rem 0.75rem;
}

.banned-info-label {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.banned-info-value {
    color: var(--text);
    font-weight: 600;
    text-align: right;
    word-break: break-word;
}

.banned-remaining {
    color: #6366f1;
    font-weight: 700;
}

.banned-actions {
    margin-bottom: 1rem;
}

.banned-actions .btn-primary {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    border: none;
    color: #fff;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.banned-actions .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.banned-hint {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* 申诉表单 */
.appeal-section {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
}
.appeal-title {
    margin: 0 0 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
}
.appeal-hint {
    margin: 0 0 1rem;
    font-size: 0.8125rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.auth-page {
    background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 50%, #fff 100%);
    min-height: 100vh;
}

/* ============================================
   安装向导
   ============================================ */

.install-container {
    max-width: 640px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

.install-hero {
    text-align: center;
    margin-bottom: 2rem;
}

.install-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 1.25rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.install-title {
    margin: 0 0 0.5rem;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.install-subtitle {
    color: var(--text-muted);
    margin: 0;
}

.install-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    position: relative;
}

.install-steps::before {
    content: '';
    position: absolute;
    top: 16px;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--border);
    z-index: 0;
}

.install-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    z-index: 1;
    flex: 1;
}

.install-step-circle {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--surface);
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.install-step.active .install-step-circle {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-color: var(--primary);
    color: white;
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.install-step.done .install-step-circle {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.install-step-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 500;
}

.install-step.active .install-step-label {
    color: var(--primary);
    font-weight: 600;
}

.install-step.done .install-step-label {
    color: var(--success);
}

.check-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.check-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-soft);
    font-size: 0.9375rem;
}

.check-item:last-child {
    border-bottom: none;
}

.check-item.success {
    color: var(--success);
}

.check-item.error {
    color: var(--error);
}

.check-item.warning {
    color: var(--warning);
}

.check-item-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: 0.75rem;
}

.check-item.success .check-item-icon {
    background: var(--success-light);
    color: var(--success);
}

.check-item.error .check-item-icon {
    background: var(--error-light);
    color: var(--error);
}

.check-item.warning .check-item-icon {
    background: var(--warning-light);
    color: var(--warning);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-soft);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-soft);
}

.feature-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.install-success-icon {
    color: var(--success);
    margin-bottom: 1rem;
    display: inline-flex;
}

.feature-text {
    flex: 1;
}

.feature-title {
    font-weight: 600;
    font-size: 0.9375rem;
    margin-bottom: 0.25rem;
}

.feature-desc {
    font-size: 0.8125rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ============================================
   安装进度动画
   ============================================ */

.install-progress-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    animation: ipFadeIn 0.25s ease;
}

@keyframes ipFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.install-progress-box {
    width: 100%;
    max-width: 460px;
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2rem 1.75rem 1.5rem;
    text-align: center;
    animation: ipSlideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes ipSlideUp {
    from { transform: translateY(16px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.install-progress-spinner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
}

.install-progress-spinner .ip-track {
    stroke: var(--border);
}

.install-progress-spinner .ip-spin {
    stroke: var(--primary);
    stroke-dasharray: 90 200;
    stroke-linecap: round;
    transform-origin: center;
    animation: ipSpin 1s linear infinite;
}

@keyframes ipSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.install-progress-title {
    margin: 0 0 0.25rem;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text);
}

.install-progress-subtitle {
    margin: 0 0 1.25rem;
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    min-height: 1.25rem;
}

.install-progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-soft);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 1.25rem;
}

.install-progress-bar-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-full);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background-size: 200% 100%;
    animation: ipBarShimmer 1.5s linear infinite;
}

@keyframes ipBarShimmer {
    from { background-position: 0% 0; }
    to { background-position: -200% 0; }
}

.install-progress-steps {
    list-style: none;
    margin: 0 0 1.25rem;
    padding: 0;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.install-progress-steps li {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    background: var(--bg-soft);
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.install-progress-steps li .ips-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: var(--surface);
    flex-shrink: 0;
    position: relative;
    transition: var(--transition);
}

.install-progress-steps li.active {
    background: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 600;
}

.install-progress-steps li.active .ips-icon {
    border-color: var(--primary);
    background: var(--primary);
}

.install-progress-steps li.active .ips-icon::after {
    content: '';
    position: absolute;
    inset: 2px;
    border-radius: 50%;
    background: white;
    animation: ipPulse 1s ease-in-out infinite;
}

@keyframes ipPulse {
    0%, 100% { transform: scale(0.6); opacity: 1; }
    50% { transform: scale(1); opacity: 0.4; }
}

.install-progress-steps li.done {
    color: var(--success);
    background: var(--success-light);
}

.install-progress-steps li.done .ips-icon {
    border-color: var(--success);
    background: var(--success);
}

.install-progress-steps li.done .ips-icon::after {
    content: '✓';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
}

.install-progress-hint {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

@media (max-width: 480px) {
    .install-progress-box {
        padding: 1.5rem 1.25rem 1.25rem;
    }
    .install-progress-title {
        font-size: 1rem;
    }
}

/* ============================================
   响应式 - 平板
   ============================================ */

@media (max-width: 1023px) {
    html {
        font-size: 15px;
    }

    .admin-grid {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        position: static;
        order: -1;
    }

    .admin-menu {
        display: flex;
        gap: 0.25rem;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .admin-menu::-webkit-scrollbar {
        display: none;
    }

    .admin-menu-item {
        margin-bottom: 0;
        white-space: nowrap;
    }

    .admin-menu-link {
        padding: 0.5rem 0.875rem;
    }

    .admin-menu-label {
        flex: 0 0 auto;
    }

    .container {
        padding: 0 1.25rem;
    }
}

/* ============================================
   响应式 - 移动端
   ============================================ */

@media (max-width: 767px) {
    html {
        font-size: 14px;
    }

    .site-main {
        padding: 1rem 0;
    }

    .page-title {
        font-size: 1.375rem;
    }

    .card {
        padding: 1.25rem;
        border-radius: var(--radius);
    }

    .post-detail {
        padding: 1.25rem;
    }

    .post-author {
        flex-direction: column;
        align-items: flex-start;
    }

    .reply-item {
        flex-direction: column;
        gap: 0.75rem;
    }

    .reply-item:hover {
        margin: 0;
        padding-left: 0;
        padding-right: 0;
    }

    .profile-header {
        flex-direction: column;
        text-align: center;
    }

    .profile-stats {
        justify-content: center;
    }

    .profile-stat {
        text-align: center;
    }

    /* 个人中心 banner 响应式 */
    .profile-banner-inner {
        flex-direction: column;
        text-align: center;
        padding: 1.75rem 1.25rem;
        gap: 1.25rem;
    }

    .profile-name {
        justify-content: center;
        font-size: 1.5rem;
    }

    .profile-tags {
        justify-content: center;
    }

    .profile-actions {
        justify-content: center;
        width: 100%;
    }

    .profile-stats-bar {
        grid-template-columns: repeat(3, 1fr);
    }

    .profile-stat:nth-child(3) {
        border-right: none;
    }

    .profile-stat:nth-child(4),
    .profile-stat:nth-child(5) {
        border-top: 1px solid rgba(255, 255, 255, 0.12);
    }

    .profile-stat-value {
        font-size: 1.25rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .data-table {
        min-width: 640px;
    }

    /* 表格操作列内联表单在窄屏纵向堆叠，避免撑宽 */
    .data-table td form[style*="inline-block"] {
        display: block !important;
        margin-bottom: 0.5rem !important;
    }
    .data-table td form[style*="inline-block"] .form-control {
        display: block !important;
        width: 100% !important;
        margin-right: 0 !important;
        margin-bottom: 0.375rem;
    }
    .data-table td form[style*="inline-block"] .btn {
        width: 100%;
    }

    .form-control {
        font-size: 16px;
    }

    .btn {
        min-height: 46px;
    }

    .pagination {
        gap: 0.5rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .install-steps-label {
        font-size: 0.6875rem;
    }

    .floor-item {
        grid-template-columns: 1fr;
    }

    .floor-sidebar {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        text-align: left;
        border-right: none;
        border-bottom: 1px solid var(--border-soft);
        padding: 1rem;
    }

    .floor-avatar {
        width: 48px;
        height: 48px;
        margin: 0;
    }

    .floor-user-meta {
        display: flex;
        gap: 0.75rem;
        flex-wrap: wrap;
    }

    .floor-header {
        align-items: flex-start;
    }
}

/* ============================================
   小屏移动端
   ============================================ */

@media (max-width: 374px) {
    .container {
        padding: 0 1rem;
    }

    .post-meta {
        gap: 0.625rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .install-step-label {
        display: none;
    }
}

/* ============================================
   导航搜索框
   ============================================ */

.nav-search {
    display: flex;
    align-items: center;
    gap: 0;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    padding: 0.25rem 0.25rem 0.25rem 1rem;
    transition: var(--transition);
    flex: 0 1 200px;
}

.nav-search:focus-within {
    background: rgba(255, 255, 255, 0.25);
    flex-basis: 260px;
}

.nav-search-input {
    border: none;
    background: transparent;
    color: white;
    font-size: 0.875rem;
    outline: none;
    width: 100%;
    font-family: inherit;
}

.nav-search-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.nav-search-btn {
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.nav-search-btn:hover {
    background: rgba(255, 255, 255, 0.35);
}

.nav-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: var(--radius-full);
    background: var(--error);
    color: white;
    font-size: 0.6875rem;
    font-weight: 700;
    margin-left: 0.375rem;
    vertical-align: middle;
    box-shadow: 0 0 0 2px var(--surface);
}

/* ============================================
   面包屑导航
   ============================================ */

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--text-secondary);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb-separator {
    color: var(--text-muted);
    opacity: 0.5;
}

.breadcrumb-current {
    color: var(--text);
    font-weight: 500;
}

/* ============================================
   版块列表（Discuz 风格）
   ============================================ */

.home-stats-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-2) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem 1.25rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    position: relative;
    overflow: hidden;
}

.home-stats-bar::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.home-stats-main {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.25rem 0.35rem;
}

.home-stat {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.home-stat svg {
    color: var(--primary);
}

.home-stat strong {
    color: var(--primary);
    font-weight: 700;
}

.home-stat a:hover strong {
    text-decoration: underline;
}

.home-stat-sep {
    color: var(--border);
    margin: 0 0.125rem;
}

.home-stats-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.home-stats-links a {
    color: var(--text-secondary);
}

.home-stats-links a:hover {
    color: var(--primary);
    text-decoration: underline;
}

.home-stats-links-sep {
    color: var(--border);
}

/* ============================================
   版块分类与卡片（火绒论坛风格）
   ============================================ */

.category-section {
    margin-bottom: 1.5rem;
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    width: 100%;
    padding: 0.875rem 1.25rem;
    margin-bottom: 0;
    background: var(--surface-2);
    border: none;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    transition: var(--transition);
}

.category-header:hover {
    background: var(--primary-light);
}

.category-header:hover .category-title {
    color: var(--primary-dark);
}

.category-title-bar {
    width: 4px;
    height: 20px;
    border-radius: var(--radius-full);
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
    flex-shrink: 0;
    box-shadow: 0 0 8px rgba(99, 102, 241, 0.3);
}

.category-title {
    flex: 1;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin: 0;
    transition: var(--transition);
    letter-spacing: -0.01em;
}

.category-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: var(--text-muted);
    transition: var(--transition);
    border-radius: var(--radius-sm);
}

.category-header:hover .category-toggle {
    color: var(--primary);
}

.category-header[aria-expanded="false"] .category-toggle {
    transform: rotate(180deg);
}

.forum-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
}

.forum-grid.is-collapsed {
    display: none;
}

.forum-card {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
    padding: 1rem 1.25rem;
    background: var(--surface);
    border: none;
    border-bottom: 1px solid var(--border-soft);
    border-right: 1px solid var(--border-soft);
    box-shadow: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.forum-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
    opacity: 0;
    transition: var(--transition);
}

.forum-card:hover {
    background: var(--surface-2);
}

.forum-card:hover::before {
    opacity: 1;
}

.forum-card:nth-child(2n) {
    border-right: none;
}

.forum-card:nth-last-child(-n+2) {
    border-bottom: none;
}

.forum-card-icon {
    width: 46px;
    height: 46px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-lighter) 100%);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 0.125rem;
    transition: var(--transition);
    border: 1px solid var(--primary-lighter);
}

.forum-card:hover .forum-card-icon {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.forum-card-icon .forum-svg-icon {
    width: 24px;
    height: 24px;
}

.forum-card-body {
    flex: 1;
    min-width: 0;
}

.forum-card-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 700;
    margin: 0 0 0.25rem;
    flex-wrap: nowrap;
    min-width: 0;
}

.forum-card-title a {
    color: var(--text);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: var(--transition);
}

.forum-card-title a:hover {
    color: var(--primary);
}

.forum-card-count {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.72rem;
    flex-shrink: 0;
    white-space: nowrap;
    background: var(--surface-3);
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-full);
    margin-left: auto;
}

.forum-card-desc {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0 0 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.forum-card-lastpost {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.25rem 0.5rem;
    padding-top: 0.375rem;
    border-top: 1px dashed var(--border-soft);
}

.lastpost-title {
    color: var(--text-secondary);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}

.lastpost-title:hover {
    color: var(--primary);
    text-decoration: underline;
}

.lastpost-author {
    color: var(--text-muted);
}

.lastpost-time {
    color: var(--text-muted);
    font-size: 0.7rem;
}

/* ============================================
   最新帖子列表
   ============================================ */

.latest-posts-section {
    margin-top: 1.5rem;
}

.latest-list {
    display: flex;
    flex-direction: column;
}

.latest-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 0.5rem;
    border-bottom: 1px solid var(--border-soft);
    transition: var(--transition);
    border-radius: var(--radius-sm);
    margin: 0 -0.5rem;
}

.latest-item:hover {
    background: var(--surface-2);
    padding-left: 0.875rem;
    padding-right: 0.875rem;
}

.latest-item:last-child {
    border-bottom: none;
}

.latest-title {
    flex: 1;
    min-width: 0;
    font-size: 0.9375rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.latest-title a {
    color: var(--text);
    font-weight: 600;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: var(--transition);
}

.latest-title a:hover {
    color: var(--primary);
}

.latest-meta {
    font-size: 0.8125rem;
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}

.thread-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.05rem 0.35rem;
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    font-weight: 700;
    line-height: 1.4;
}

.thread-badge.pinned {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.thread-badge.essence {
    background: var(--success-light);
    color: #065f46;
}

.thread-badge.locked {
    background: var(--bg-soft);
    color: var(--text-muted);
}

/* ============================================
   公告条
   ============================================ */

.announcement-bar {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--surface) 100%);
    border: 1px solid var(--primary-lighter);
    border-radius: var(--radius);
    padding: 0.875rem 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.announcement-bar::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.announcement-icon {
    color: var(--primary);
    flex-shrink: 0;
}

.announcement-body {
    flex: 1;
    min-width: 0;
}

.announcement-title {
    font-weight: 600;
    color: var(--text);
    margin-right: 0.35rem;
}

.announcement-content {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ============================================
   版块页头部
   ============================================ */

.forum-header-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
    min-width: 0;
}

.forum-header-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-lighter) 100%);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid var(--primary-lighter);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1);
}

.forum-header-icon .forum-svg-icon {
    width: 32px;
    height: 32px;
}

.forum-header-meta {
    min-width: 0;
}

.forum-header-name {
    margin: 0 0 0.25rem;
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
}

.forum-header-desc {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.page-header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.post-marks {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-right: 0.375rem;
    vertical-align: middle;
}

.quote-indicator {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    padding: 0.625rem 1rem;
    background: var(--primary-light);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.empty-state-icon svg {
    width: 3.5rem;
    height: 3.5rem;
    stroke-width: 1.25;
    color: var(--text-muted);
}

/* ============================================
   帖子列表行（Discuz 风格）
   ============================================ */

.thread-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    overflow: hidden;
    margin-bottom: 1.25rem;
}

.thread-item {
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    gap: 1rem;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-soft);
    transition: var(--transition);
}

.thread-item:last-child {
    border-bottom: none;
}

.thread-item:hover {
    background: var(--surface-2);
}

.thread-item.pinned {
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.08) 0%, transparent 100%);
}

.thread-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    flex-shrink: 0;
}

.thread-main {
    min-width: 0;
}

.thread-title {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    flex-wrap: wrap;
}

.thread-title a {
    color: var(--text);
    display: inline-flex;
    min-width: 0;
}

.thread-title a:hover {
    color: var(--primary);
}

.thread-title-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.thread-badges {
    display: inline-flex;
    gap: 0.25rem;
    font-size: 0.875rem;
}

.thread-author {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.thread-author a {
    color: var(--text-secondary);
}

.thread-author .author-title {
    display: inline-block;
    padding: 0.0625rem 0.375rem;
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    color: #fff;
    line-height: 1.5;
}

.thread-stats {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.thread-stats-num {
    font-weight: 700;
    color: var(--text);
    font-size: 0.9375rem;
}

.thread-last-reply {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: right;
    white-space: nowrap;
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================
   楼层布局
   ============================================ */

.floor-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 0;
    border-bottom: 1px solid var(--border-soft);
    transition: var(--transition);
}

.floor-item:last-child {
    border-bottom: none;
}

.floor-item:hover {
    background: var(--surface-2);
}

.floor-sidebar {
    padding: 1.25rem 1rem;
    text-align: center;
    border-right: 1px solid var(--border-soft);
    background: var(--surface-2);
}

.floor-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    margin: 0 auto 0.625rem;
    display: block;
    box-shadow: var(--shadow-sm);
}

.floor-avatar-link {
    display: block;
    text-align: center;
}

.floor-username {
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 0.375rem;
}

.floor-username a {
    color: var(--text);
}

.floor-username a:hover {
    color: var(--primary);
}

.floor-title-badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.floor-user-meta {
    font-size: 0.6875rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.floor-body {
    padding: 1.25rem;
    min-width: 0;
}

.floor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.625rem;
    border-bottom: 1px dashed var(--border-soft);
    font-size: 0.8125rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.floor-header-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.625rem 1rem;
    min-width: 0;
}

.floor-header-stat {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.floor-header-stat svg {
    width: 14px;
    height: 14px;
}

.floor-header-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition);
}

.floor-header-link:hover {
    color: var(--primary);
    text-decoration: underline;
}

.floor-badge {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 1.625rem;
    padding: 0 0.5rem;
    border-radius: var(--radius-full);
    background: var(--surface-3);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
}

.floor-badge-op {
    background: var(--primary);
    color: #fff;
}

.floor-number {
    font-weight: 600;
    color: var(--primary);
}

.floor-content {
    line-height: 1.85;
    word-break: break-word;
    font-size: 0.9375rem;
}

.floor-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.625rem;
    margin-top: 0.875rem;
    padding-top: 0.625rem;
    border-top: 1px dashed var(--border-soft);
}

.floor-actions-left,
.floor-actions-right {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    flex-wrap: wrap;
}

.floor-action {
    font-size: 0.8125rem;
    color: var(--text-muted);
    cursor: pointer;
    background: none;
    border: none;
    font-family: inherit;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.floor-action:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.floor-signature {
    margin-top: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-soft);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-muted);
    border-left: 3px solid var(--border);
}

/* ============================================
   BBCode 引用块 / 回复引用
   ============================================ */

.quote-block {
    position: relative;
    margin: 0.75rem 0;
    padding: 0.75rem 1rem;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.875rem;
    color: var(--text-secondary);
    overflow: hidden;
}

.quote-block::before {
    content: '"';
    position: absolute;
    top: -0.25rem;
    left: 0.5rem;
    font-size: 2.5rem;
    line-height: 1;
    color: var(--border-strong);
    font-family: Georgia, serif;
    opacity: 0.6;
}

.quote-block-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.375rem;
    padding-left: 1.75rem;
    font-size: 0.8125rem;
}

.quote-block-author {
    font-weight: 600;
    color: var(--text);
}

.quote-block-floor {
    color: var(--primary);
    font-weight: 500;
}

.quote-block-content {
    padding-left: 1.75rem;
    line-height: 1.7;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.quote-block .quote-block {
    border-color: var(--border-soft);
    background: var(--surface);
}

/* ============================================
   站内信
   ============================================ */

.pm-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pm-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border-soft);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
}

.pm-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.pm-item-unread {
    border-left: 3px solid var(--primary);
    background: var(--primary-light);
}

.pm-item-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    flex-shrink: 0;
}

.pm-item-body {
    flex: 1;
    min-width: 0;
}

.pm-item-name {
    font-weight: 600;
    font-size: 0.9375rem;
    margin-bottom: 0.25rem;
}

.pm-item-preview {
    font-size: 0.8125rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pm-item-meta {
    text-align: right;
    font-size: 0.75rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

.pm-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: var(--radius-full);
    background: var(--error);
    color: white;
    font-size: 0.6875rem;
    font-weight: 700;
    margin-left: 0.5rem;
}

.pm-message-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1.25rem;
}

.pm-message {
    display: flex;
    gap: 0.75rem;
    max-width: 75%;
}

.pm-message-mine {
    flex-direction: row-reverse;
    margin-left: auto;
}

.pm-message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    flex-shrink: 0;
}

.pm-message-bubble {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.9375rem;
    line-height: 1.6;
    word-break: break-word;
}

.pm-message-mine .pm-message-bubble {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.pm-message:not(.pm-message-mine) .pm-message-bubble {
    background: var(--bg-soft);
    color: var(--text);
}

.pm-message-meta {
    font-size: 0.6875rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.pm-message-mine .pm-message-meta {
    text-align: right;
}

/* ============================================
   工具栏（BBCode 按钮）
   ============================================ */

.toolbar {
    display: flex;
    gap: 0.375rem;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
}

.toolbar-btn {
    min-width: 34px;
    height: 34px;
    padding: 0 0.625rem;
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition);
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.toolbar-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

/* ============================================
   回复编辑器（富文本工具栏）
   ============================================ */

.editor-toolbar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.375rem;
    padding: 0.5rem 0.625rem;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-bottom: none;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.editor-toolbar .toolbar-btn {
    min-width: 32px;
    height: 32px;
    padding: 0 0.5rem;
    border: 1px solid transparent;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.editor-toolbar .toolbar-btn:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: transparent;
}

.editor-toolbar .toolbar-btn.active {
    background: var(--primary);
    color: #fff;
}

.editor-toolbar .toolbar-btn-text {
    width: auto;
    padding: 0 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.toolbar-divider {
    width: 1px;
    height: 20px;
    background: var(--border);
    margin: 0 0.125rem;
}

.toolbar-spacer {
    flex: 1;
}

.editor-textarea-wrap {
    margin-bottom: 0;
}

.editor-textarea-wrap .form-control {
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    border-top: none;
    min-height: 120px;
    resize: vertical;
}

.reply-form-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.reply-form-footer .form-check {
    margin: 0;
}

/* 工具栏内联输入面板（替代 prompt） */
.toolbar-input-panel {
    display: none;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    flex-wrap: wrap;
}

.toolbar-input-panel.is-visible {
    display: flex;
}

.toolbar-input-panel .form-control {
    flex: 1;
    min-width: 160px;
    border-radius: var(--radius-sm);
}

.toolbar-input-panel .toolbar-input-error {
    width: 100%;
    color: var(--error);
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

.toolbar-input-actions {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    flex-shrink: 0;
}

/* 表情面板 */
.emoji-panel {
    position: absolute;
    z-index: 100;
    width: 320px;
    max-width: calc(100vw - 2rem);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 0.75rem;
    margin-top: 0.25rem;
}

.emoji-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-soft);
}

.emoji-panel-title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.emoji-panel-close {
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--surface-2);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1.125rem;
    line-height: 1;
}

.emoji-panel-close:hover {
    background: var(--error-light);
    color: var(--error);
}

.emoji-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 0.25rem;
    max-height: 220px;
    overflow-y: auto;
    padding-right: 0.25rem;
}

.emoji-btn {
    width: 34px;
    height: 34px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1.125rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.emoji-btn:hover {
    background: var(--primary-light);
    transform: scale(1.1);
}

/* 回复表单容器定位（用于表情面板 absolute 参考） */
#reply-form {
    position: relative;
}

/* ============================================
   举报按钮与弹窗
   ============================================ */

.floor-action-report {
    color: var(--text-muted);
    gap: 0.25rem;
}

.floor-action-report:hover {
    color: var(--error);
    background: var(--error-light);
}

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    padding: 1rem;
}

.modal-dialog {
    width: 100%;
    max-width: 440px;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

/* admin 控制器使用的 .modal-box 默认样式（兼容旧调用方；建议新代码用 .modal-dialog） */
.modal-box {
    width: 100%;
    max-width: 560px;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
}

/* 无外框浮层：用于「内容自带背景/边框」的预览类弹窗（邮件预览、模板预览等）。
   去掉白底/边框/阴影，避免「白框套白框」。header 仍保留白底作为浮层顶部标识。 */
.modal-box-flat {
    background: transparent;
    border: none;
    box-shadow: none;
}
.modal-box-flat .modal-header {
    background: var(--surface);
    border: 1px solid var(--border);
    border-bottom: 1px solid var(--border-soft);
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
}
.modal-box-flat .modal-body {
    background: var(--surface);
    border: 1px solid var(--border);
    border-top: none;
    border-bottom-left-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-lg);
}

.modal-sm {
    max-width: 400px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-soft);
}

.modal-title {
    margin: 0;
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--text);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--surface-2);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1.5rem;
    line-height: 1;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--error-light);
    color: var(--error);
}

.modal-body {
    padding: 1.25rem;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-soft);
}

.report-target {
    margin: 0 0 1rem;
    padding: 0.625rem 0.875rem;
    background: var(--bg-soft);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ============================================
   响应式补充
   ============================================ */

@media (max-width: 1023px) {
    .nav-search {
        display: none;
    }

    .forum-grid {
        grid-template-columns: 1fr;
    }

    .floor-item {
        grid-template-columns: 1fr;
    }

    .floor-sidebar {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        text-align: left;
        border-right: none;
        border-bottom: 1px solid var(--border-soft);
        padding: 0.75rem 1rem;
    }

    .floor-avatar {
        width: 40px;
        height: 40px;
        margin: 0;
    }

    .floor-user-meta {
        display: none;
    }

    .thread-item {
        grid-template-columns: auto 1fr;
    }

    .thread-stats,
    .thread-last-reply {
        display: none;
    }
}

@media (max-width: 767px) {
    .user-dropdown-panel.is-visible {
        left: 0.75rem !important;
        right: 0.75rem !important;
        width: auto !important;
        max-width: none;
    }

    .forum-card {
        gap: 0.75rem;
        padding: 0.875rem 1rem;
        border-right: none;
    }

    .forum-card:nth-last-child(1) {
        border-bottom: none;
    }

    .forum-card-icon {
        width: 40px;
        height: 40px;
    }

    .forum-card-icon .forum-svg-icon {
        width: 22px;
        height: 22px;
    }

    .forum-card-title {
        font-size: 0.875rem;
    }

    .home-stats-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .home-stats-links {
        width: 100%;
        justify-content: flex-end;
    }

    .latest-item {
        flex-wrap: wrap;
    }

    .latest-meta {
        width: 100%;
        padding-left: calc(28px + 0.75rem);
        margin-top: 0.25rem;
    }

    .pm-message {
        max-width: 90%;
    }

    .editor-toolbar {
        gap: 0.25rem;
        padding: 0.375rem;
    }

    .editor-toolbar .toolbar-btn {
        min-width: 28px;
        height: 28px;
        padding: 0 0.375rem;
    }

    .toolbar-divider {
        height: 18px;
    }

    .emoji-panel {
        left: 0.75rem;
        right: 0.75rem;
        width: auto;
    }

    .emoji-grid {
        grid-template-columns: repeat(7, 1fr);
    }

    .reply-form-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .reply-form-footer .btn {
        width: 100%;
    }
}

/* ============================================
   页面副标题
   ============================================ */

.page-subtitle {
    margin: 0.25rem 0 0;
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* ============================================
   邮件中心
   ============================================ */

/* ---- 状态横幅 ---- */
.mail-status-banner {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1.25rem;
    border: 1px solid var(--border);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.mail-status-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--brand-soft) 0%, transparent 55%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.mail-status-banner.is-on {
    border-color: rgba(16, 185, 129, 0.35);
}

.mail-status-banner.is-on::before {
    opacity: 0.6;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.10) 0%, transparent 55%);
}

.mail-status-banner.is-off {
    border-color: var(--border);
}

.mail-status-banner.is-off::before {
    opacity: 0.5;
}

.mail-status-banner-icon {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: #fff;
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-active) 100%);
    box-shadow: 0 4px 14px var(--brand-glow);
}

.mail-status-banner.is-off .mail-status-banner-icon {
    background: linear-gradient(135deg, #a1a1aa 0%, #71717a 100%);
    box-shadow: 0 4px 14px rgba(113, 113, 122, 0.25);
}

.mail-status-banner-body {
    flex: 1;
    min-width: 0;
    position: relative;
    z-index: 1;
}

.mail-status-banner-title {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.01em;
    margin-bottom: 0.375rem;
}

.mail-status-banner-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.mail-meta-item {
    display: inline-flex;
    align-items: baseline;
    gap: 0.375rem;
}

.mail-meta-label {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.mail-meta-divider {
    width: 1px;
    height: 12px;
    background: var(--border-strong);
}

.mail-status-banner-badge {
    flex-shrink: 0;
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    position: relative;
    z-index: 1;
}

.mail-status-banner.is-on .mail-status-banner-badge {
    background: var(--success-light);
    color: var(--success);
}

.mail-status-banner.is-off .mail-status-banner-badge {
    background: var(--surface-3);
    color: var(--text-muted);
}

/* ---- 双栏布局 ---- */
.mail-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 1.25rem;
    align-items: start;
}

/* === Tab 导航 === */
.mail-tabs {
    display: flex;
    gap: 0.25rem;
    padding: 0.375rem;
    margin-bottom: 1.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-xs);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.mail-tabs::-webkit-scrollbar {
    display: none;
}
.mail-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
    position: relative;
}
.mail-tab:hover {
    background: var(--surface-2);
    color: var(--text);
}
.mail-tab.active {
    background: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 600;
}

/* ============================================
   BBCode 图片预览 & 灯箱
   ============================================ */

.bbcode-image {
    display: inline-block;
    max-width: 100%;
    max-height: 340px;          /* 预览高度上限，大图按比例缩小 */
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    cursor: zoom-in;
    transition: box-shadow var(--transition);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.1);
}

.bbcode-image:hover {
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.18);
}

/* 灯箱遮罩 */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    z-index: 20000;
    background: rgba(0, 0, 0, 0.88);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: lightboxFadeIn 0.2s ease;
}

.lightbox-overlay img {
    max-width: 92vw;
    max-height: 88vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
    animation: lightboxZoomIn 0.22s ease;
}

.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1.25rem;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.25);
}

.lightbox-counter {
    position: absolute;
    bottom: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    background: rgba(0, 0, 0, 0.5);
    padding: 0.25rem 0.875rem;
    border-radius: var(--radius-full);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border: none;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.25);
}

.lightbox-nav-prev { left: 1.25rem; }
.lightbox-nav-next { right: 1.25rem; }

@keyframes lightboxFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes lightboxZoomIn {
    from { opacity: 0; transform: scale(0.92); }
    to { opacity: 1; transform: scale(1); }
}
.mail-tab svg {
    flex-shrink: 0;
}
.mail-tab-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 0.3125rem;
    background: var(--error);
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-left: 0.125rem;
}

/* === Tab 面板 === */
.mail-tab-panel {
    display: none;
    animation: mail-panel-in 0.2s ease;
}
.mail-tab-panel.active {
    display: block;
}
@keyframes mail-panel-in {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.mail-main {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    min-width: 0;
}

.mail-side {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    min-width: 0;
}

@media (max-width: 1023px) {
    .mail-grid {
        grid-template-columns: 1fr;
    }
}

/* 邮件统计卡片 */
.mail-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.875rem;
    margin-bottom: 1.25rem;
}
.mail-stat-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 0.875rem 1rem;
    box-shadow: var(--shadow-sm);
}
.mail-stat-icon {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.mail-stat-icon-total    { background: rgba(99, 102, 241, 0.12); color: #6366f1; }
.mail-stat-icon-success  { background: rgba(16, 185, 129, 0.12); color: #10b981; }
.mail-stat-icon-failed   { background: rgba(239, 68, 68, 0.12);  color: #ef4444; }
.mail-stat-icon-rate     { background: rgba(245, 158, 11, 0.12); color: #f59e0b; }
.mail-stat-icon-today    { background: rgba(59, 130, 246, 0.12); color: #3b82f6; }
.mail-stat-body { min-width: 0; flex: 1; }
.mail-stat-value {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}
.mail-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}
.mail-stat-sub {
    font-size: 0.6875rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* 数字变化脉冲动画 */
.mail-stat-value.is-pulse {
    animation: mail-num-pulse 0.6s ease;
}
@keyframes mail-num-pulse {
    0%   { transform: scale(1); color: var(--text); }
    40%  { transform: scale(1.15); color: var(--primary); }
    100% { transform: scale(1); color: var(--text); }
}

/* 实时刷新提示 */
.mail-refresh-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-left: auto;
}
.mail-refresh-hint.is-ok {
    color: #10b981;
}

/* === 退信处理 === */
.bounce-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin: 1rem 0 1.25rem;
}
.bounce-stat-item {
    background: var(--surface-2);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    padding: 0.875rem 1rem;
    text-align: center;
}
.bounce-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}
.bounce-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.bounce-status-box {
    background: linear-gradient(135deg, #eef2ff 0%, #f0f9ff 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1rem;
}
.bounce-status-title {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.bounce-status-time {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin: 0.25rem 0;
    font-variant-numeric: tabular-nums;
}
.bounce-status-meta {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}
.bounce-status-meta strong {
    color: var(--primary);
}

.bounce-history-list {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    margin-bottom: 1rem;
}
.bounce-history-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.625rem;
    background: var(--surface-2);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}
.bounce-history-time {
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
}
.bounce-history-info {
    flex: 1;
    color: var(--text-secondary);
}
.bounce-history-ok {
    color: #10b981;
    font-weight: 600;
    flex-shrink: 0;
}
.bounce-history-error {
    color: #ef4444;
    font-weight: 600;
    flex-shrink: 0;
    cursor: help;
}

.bounce-result-box {
    margin-top: 1rem;
    padding: 0.875rem 1rem;
    background: var(--surface-2);
    border-radius: var(--radius);
    border: 1px solid var(--border-soft);
}
.bounce-result-ok {
    color: #10b981;
    font-weight: 600;
    padding: 0.25rem 0;
}
.bounce-result-error {
    color: #ef4444;
    font-weight: 600;
    padding: 0.25rem 0;
}
.bounce-result-details {
    margin-top: 0.5rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}
.bounce-result-details ul {
    margin: 0.375rem 0 0;
    padding-left: 1.25rem;
}
.bounce-result-details li {
    margin-bottom: 0.25rem;
    line-height: 1.5;
}
.bounce-detail-recipient {
    color: var(--text);
    font-weight: 600;
}
.bounce-detail-type {
    display: inline-block;
    padding: 0 0.375rem;
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    font-weight: 600;
    background: var(--surface-3);
    color: var(--text-secondary);
}
.bounce-detail-reason {
    color: var(--text-muted);
}

/* === 群发通知 === */
.notify-target-tabs {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 0.75rem;
}
.notify-target-tab {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}
.notify-target-tab:hover {
    background: var(--surface-2);
    color: var(--text);
}
.notify-target-tab.active {
    background: var(--primary-light);
    color: var(--primary-dark);
    border-color: var(--primary-lighter);
    font-weight: 600;
}
.notify-target-panel {
    display: none;
}
.notify-target-panel.active {
    display: block;
}
.notify-result-ok {
    font-size: 1rem;
    color: #10b981;
    margin-bottom: 0.75rem;
}
.notify-result-stats {
    display: flex;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}
.notify-result-fail {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    background: var(--surface-2);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    margin-top: 0.5rem;
    line-height: 1.6;
}

.mail-faq-list {
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.8125rem;
}
.mail-faq-list li {
    padding: 0.375rem 0;
    border-bottom: 1px solid var(--border-soft);
    display: flex;
    gap: 0.5rem;
    align-items: baseline;
}
.mail-faq-list li:last-child {
    border-bottom: none;
}
.mail-faq-key {
    width: 80px;
    flex-shrink: 0;
    font-weight: 600;
    color: var(--text);
}
.mail-faq-list code {
    background: var(--surface-3);
    padding: 0.0625rem 0.3125rem;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--primary);
}

@media (max-width: 640px) {
    .bounce-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 邮件类型分布 */
.mail-type-list { display: flex; flex-direction: column; gap: 0.625rem; }
.mail-type-row {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.8125rem;
}
.mail-type-label { width: 80px; flex-shrink: 0; color: var(--text); font-weight: 500; }
.mail-type-bar-wrap {
    flex: 1;
    height: 8px;
    background: var(--surface-3);
    border-radius: 9999px;
    overflow: hidden;
}
.mail-type-bar {
    height: 100%;
    background: linear-gradient(90deg, #6366f1, #4f46e5);
    border-radius: 9999px;
    transition: width 0.3s ease;
}
.mail-type-num { width: 40px; text-align: right; color: var(--text); font-weight: 600; }
.mail-type-rate { width: 70px; text-align: right; flex-shrink: 0; }
.mail-type-ok   { color: #10b981; font-weight: 600; }
.mail-type-sep  { color: var(--text-muted); margin: 0 2px; }
.mail-type-fail { color: #ef4444; font-weight: 600; }

/* 邮件日志列表 */
.mail-log-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 480px;
    overflow-y: auto;
}
.mail-log-item {
    padding: 0.625rem 0.75rem;
    background: var(--surface-3);
    border-radius: 8px;
    border-left: 3px solid transparent;
}
.mail-log-item:has(.is-fail) {
    border-left-color: #ef4444;
}
.mail-log-item:has(.is-ok) {
    border-left-color: #10b981;
}
.mail-log-row1 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2px;
}
.mail-log-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.mail-log-status.is-ok   { background: #10b981; }
.mail-log-status.is-fail { background: #ef4444; }
.mail-log-recipient {
    flex: 1;
    font-size: 0.8125rem;
    color: var(--text);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.mail-log-time {
    font-size: 0.6875rem;
    color: var(--text-muted);
    flex-shrink: 0;
}
.mail-log-row2 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
}
.mail-log-type {
    color: #6366f1;
    background: rgba(99, 102, 241, 0.1);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 0.6875rem;
    flex-shrink: 0;
}
.mail-log-subject {
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.mail-log-error {
    margin-top: 4px;
    font-size: 0.6875rem;
    color: #ef4444;
    background: rgba(239, 68, 68, 0.08);
    padding: 4px 6px;
    border-radius: 4px;
    word-break: break-all;
}

/* 退信标识 */
.mail-log-bounce {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 0.625rem;
    font-weight: 600;
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.25);
    cursor: help;
    margin-right: 0.25rem;
    flex-shrink: 0;
}
.mail-log-item.is-bounced {
    border-left: 3px solid #ef4444;
    padding-left: 0.5rem;
}
[data-theme="dark"] .mail-log-bounce {
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    border-color: rgba(239, 68, 68, 0.4);
}

[data-theme="dark"] .mail-stat-icon-total   { background: rgba(99, 102, 241, 0.25); }
[data-theme="dark"] .mail-stat-icon-success { background: rgba(16, 185, 129, 0.25); }
[data-theme="dark"] .mail-stat-icon-failed  { background: rgba(239, 68, 68, 0.25); }
[data-theme="dark"] .mail-stat-icon-rate    { background: rgba(245, 158, 11, 0.25); }
[data-theme="dark"] .mail-stat-icon-today   { background: rgba(59, 130, 246, 0.25); }
[data-theme="dark"] .mail-log-type          { background: rgba(99, 102, 241, 0.22); }

.mail-card {
    margin-bottom: 0;
}

.mail-fields .form-row {
    gap: 1.25rem;
}

/* ---- 启用开关 ---- */
.mail-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    cursor: pointer;
    user-select: none;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.mail-switch input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.mail-switch-track {
    width: 42px;
    height: 24px;
    border-radius: var(--radius-full);
    background: var(--surface-3);
    position: relative;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.mail-switch-thumb {
    position: absolute;
    top: 50%;
    left: 3px;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
    transition: var(--transition);
}

.mail-switch.is-on .mail-switch-track {
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-active) 100%);
    border-color: transparent;
}

.mail-switch.is-on .mail-switch-thumb {
    left: 21px;
}

.mail-switch.is-on {
    color: var(--brand);
}

/* ---- 模板预览标签页 ---- */
.mail-template-tabs {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem;
    background: var(--surface-2);
    border-radius: var(--radius);
    border: 1px solid var(--border-soft);
}

.mail-template-tab {
    padding: 0.375rem 0.875rem;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.mail-template-tab:hover {
    color: var(--text);
    background: var(--surface);
}

.mail-template-tab.active {
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-active) 100%);
    color: #fff;
    box-shadow: 0 2px 6px var(--brand-glow);
}

/* ---- 预览 iframe ---- */
.mail-preview-wrapper {
    margin-top: 0.5rem;
    border-radius: var(--radius);
    background: #f4f4f5;
    overflow: hidden;
}

.mail-preview-frame {
    display: block;
    width: 100%;
    min-height: 420px;
    border: none;
    background: transparent;
}

/* ---- 提示框 ---- */
.mail-tip {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.75rem 0.875rem;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.mail-tip svg {
    flex-shrink: 0;
    margin-top: 1px;
}

.mail-tip-warning {
    background: var(--warning-light);
    color: var(--warning);
    border: 1px solid rgba(37, 99, 235, 0.2);
}

/* ---- 配置提示 ---- */
.mail-faq-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.mail-faq-list li {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.625rem 0.75rem;
    background: var(--surface-2);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-soft);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.mail-faq-key {
    font-weight: 700;
    color: var(--text);
    font-size: 0.875rem;
}

.mail-faq-list code {
    font-family: var(--font-mono);
    background: var(--surface-3);
    color: var(--brand);
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 0.75rem;
}

/* ---- 站点设置页：邮件服务入口卡片 ---- */
.mail-entry-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.125rem 1.375rem;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.mail-entry-card:hover {
    border-color: var(--brand);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.mail-entry-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: #fff;
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-active) 100%);
    box-shadow: 0 4px 12px var(--brand-glow);
}

.mail-entry-icon.is-off {
    background: linear-gradient(135deg, #a1a1aa 0%, #71717a 100%);
    box-shadow: 0 4px 12px rgba(113, 113, 122, 0.25);
}

.mail-entry-body {
    flex: 1;
    min-width: 0;
}

.mail-entry-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.mail-entry-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 600;
}

.mail-entry-badge.is-on {
    background: var(--success-light);
    color: var(--success);
}

.mail-entry-badge.is-off {
    background: var(--surface-3);
    color: var(--text-muted);
}

.mail-entry-meta {
    font-size: 0.8125rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.mail-entry-arrow {
    flex-shrink: 0;
    color: var(--text-muted);
    transition: var(--transition);
}

.mail-entry-card:hover .mail-entry-arrow {
    color: var(--brand);
    transform: translateX(3px);
}

/* 邮件中心：窄屏适配 */
@media (max-width: 640px) {
    .mail-status-banner {
        flex-wrap: wrap;
        padding: 1rem;
    }

    .mail-status-banner-badge {
        order: -1;
        margin-left: auto;
    }

    .mail-meta-divider {
        display: none;
    }

    .mail-template-tabs {
        width: 100%;
        justify-content: space-between;
    }

    .mail-template-tab {
        flex: 1;
        text-align: center;
    }
}

/* ============================================
   用户管理 - 风险详情
   ============================================ */
.risk-record-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.risk-record-item {
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    padding: 0.625rem 0.75rem;
    background: var(--surface);
}

.risk-record-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.risk-record-body {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.5;
    word-break: break-word;
}

.risk-record-note {
    margin-top: 0.375rem;
    font-size: 0.75rem;
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.08);
    padding: 0.375rem 0.5rem;
    border-radius: var(--radius-sm);
    border-left: 3px solid #f59e0b;
}

[data-theme="dark"] .risk-record-item {
    background: var(--surface-2);
}

/* ============================================
   页脚语言切换
   ============================================ */
.footer-lang {
    margin-top: 0.5rem;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.footer-lang-label {
    margin-right: 0.25rem;
}

.footer-lang-link {
    display: inline-block;
    margin: 0 0.375rem;
    padding: 0.125rem 0.5rem;
    border-radius: 999px;
    color: var(--text-secondary);
    text-decoration: none;
    border: 1px solid transparent;
    transition: color .15s, background .15s, border-color .15s;
}

.footer-lang-link:hover {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.08);
}

.footer-lang-link.is-active {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.35);
    font-weight: 600;
}

/* ============================================
   用户管理页 · 全新 UI（紧凑 / 现代 / 响应式）
   ============================================ */

/* 概览卡片：紧凑版（带图标 + 横向排列） */
.stats-grid-compact {
    margin-bottom: 1.25rem;
}
.stats-grid-compact .stat-card {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 1rem 1.125rem;
    min-height: 0;
}
.stats-grid-compact .stat-card::before {
    height: 3px;
}
.stats-grid-compact .stat-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    background: var(--surface-2);
    flex-shrink: 0;
}
.stats-grid-compact .stat-card-body {
    min-width: 0;
}
.stats-grid-compact .stat-card-value {
    font-size: 1.375rem;
    font-weight: 700;
    line-height: 1.1;
}
.stats-grid-compact .stat-card-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.125rem;
}

/* 筛选工具条：横向 Flex，元素对齐 */
.admin-toolbar-form {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    flex-wrap: wrap;
}
.toolbar-field {
    min-width: 0;
}
.toolbar-field-grow {
    flex: 1 1 260px;
    max-width: 360px;
}
.admin-toolbar-form .form-control,
.admin-toolbar-form .btn {
    height: 2.375rem;
    padding-top: 0;
    padding-bottom: 0;
    line-height: 2.375rem;
}
.admin-toolbar-form .form-control {
    width: 100%;
}

/* 风险单元 */
.risk-cell {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    white-space: nowrap;
}
.risk-pill {
    cursor: pointer;
    font-weight: 600;
    padding: 0.25rem 0.625rem;
    border-radius: 999px;
    letter-spacing: 0;
    text-transform: none;
}
.btn-ghost {
    background: transparent;
    border: 1px solid var(--border-strong);
    color: var(--text-secondary);
    padding: 0.125rem 0.5rem;
    font-size: 0.6875rem;
    border-radius: var(--radius);
    transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.btn-ghost:hover {
    background: var(--surface-2);
    border-color: var(--brand);
    color: var(--brand);
}

/* 用户管理表格：更紧凑、专业 */
.user-table th,
.user-table td {
    padding: 0.625rem 0.75rem;
    vertical-align: middle;
}
.user-table thead th {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
}
.user-table tbody tr:nth-child(even) td {
    background: var(--surface-2);
}
.user-table tbody tr:hover td {
    background: var(--brand-soft);
}

/* 列宽控制（仅作用于用户管理表格） */
.user-table .col-uid { width: 72px; }
.user-table .col-status { width: 90px; }
.user-table .col-risk { width: 130px; }
.user-table .col-group { width: 110px; }
.user-table .col-number { width: 72px; text-align: right; }
.user-table .col-time { width: 100px; }
.user-table .col-actions { width: auto; min-width: 220px; }

/* 用户单元微调 */
.user-table .user-cell {
    gap: 0.625rem;
}
.user-table .user-cell-name {
    font-weight: 600;
}

/* 空状态 */
.empty-state {
    padding: 2.5rem 1rem;
    text-align: center;
    color: var(--text-muted);
}
.empty-state-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--surface-2);
    font-size: 1.5rem;
}

/* 响应式：小屏下卡片 2 列，工具条元素撑满 */
@media (max-width: 768px) {
    .stats-grid-compact {
        grid-template-columns: repeat(2, 1fr);
    }
    .toolbar-field-grow {
        flex: 1 1 100%;
        max-width: none;
    }
    .admin-toolbar-form .btn {
        flex: 1 1 auto;
    }
    .user-table .col-actions {
        min-width: 0;
    }
    .user-table .action-btns {
        flex-wrap: wrap;
        gap: 0.25rem;
    }
    .user-table .action-btns .btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
}

/* ============================================
   用户管理页 UI 优化（覆盖与补充）
   ============================================ */

/* 统计卡片：图标独立色块 + 更协调的数值 */
.stats-grid-compact {
    gap: 0.875rem;
}
.stats-grid-compact .stat-card {
    gap: 0.875rem;
    padding: 1rem 1.25rem;
    min-height: 0;
}
.stats-grid-compact .stat-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--primary-light);
    color: var(--primary);
}
.stats-grid-compact .stat-card:nth-child(2) .stat-card-icon { background: var(--error-light); color: var(--error); }
.stats-grid-compact .stat-card:nth-child(3) .stat-card-icon { background: var(--warning-light); color: var(--warning); }
.stats-grid-compact .stat-card:nth-child(4) .stat-card-icon { background: var(--info-light); color: var(--info); }
.stats-grid-compact .stat-card-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
}
.stats-grid-compact .stat-card:nth-child(2) .stat-card-value { color: var(--error); }
.stats-grid-compact .stat-card:nth-child(3) .stat-card-value { color: var(--warning); }
.stats-grid-compact .stat-card:nth-child(4) .stat-card-value { color: var(--info); }
.stats-grid-compact .stat-card-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.125rem;
}
.stats-grid-compact .stat-card::before {
    height: 0;
}

/* 筛选工具条：仅保留表单，更紧凑 */
.card-toolbar {
    align-items: flex-start;
    padding: 0.75rem;
}
.admin-toolbar-form {
    gap: 0.5rem;
}
.toolbar-field-select .form-control { min-width: 110px; width: auto; }
.toolbar-field-date .form-control { min-width: 140px; width: auto; }
.admin-toolbar-form .form-control,
.admin-toolbar-form .btn {
    height: 2.25rem;
    padding-top: 0;
    padding-bottom: 0;
    line-height: 2.25rem;
    font-size: 0.875rem;
}

/* 表格卡片头部 */
.user-list-card {
    padding: 1rem 1.25rem 1.25rem;
}
.user-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-soft);
}
.user-list-header .card-title {
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
}
.user-list-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}
.user-list-actions .btn {
    white-space: nowrap;
}

/* 表格优化 */
.user-table thead th {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: none;
    letter-spacing: 0;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
    padding: 0.625rem 0.75rem;
}
.user-table tbody td {
    padding: 0.625rem 0.75rem;
    border-bottom: 1px solid var(--border-soft);
}
.user-table tbody tr:nth-child(even) td {
    background: rgba(241, 245, 249, 0.5);
}
.user-table tbody tr:hover td {
    background: var(--primary-light);
}
.user-table .col-actions {
    width: 120px;
    min-width: 120px;
}

/* 柔和徽章 */
.badge-soft-success { background: var(--success-light); color: #065f46; }
.badge-soft-warning { background: var(--warning-light); color: #1e40af; }
.badge-soft-danger { background: var(--error-light); color: #991b1b; }
.badge-soft-primary { background: var(--primary-light); color: var(--primary-dark); }
.badge-soft-secondary { background: var(--surface-3); color: var(--text-secondary); }
.badge-outline {
    background: transparent;
    border: 1px solid currentColor;
}

/* 操作下拉菜单 */
.action-dropdown {
    position: relative;
}
.dropdown-toggle {
    white-space: nowrap;
}
.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: 100;
    min-width: 140px;
    padding: 0.35rem 0;
    margin-top: 0.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
}
.dropdown-menu.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.875rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    white-space: nowrap;
    transition: var(--transition);
}
.dropdown-item:hover {
    background: var(--surface-2);
    color: var(--text);
}
.dropdown-divider {
    height: 1px;
    margin: 0.35rem 0;
    background: var(--border-soft);
}

/* 分页增强 */
.pagination {
    gap: 0.375rem;
    margin-top: 1.25rem;
}
.pagination .page-number {
    min-width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
}
.pagination .page-number:hover {
    background: var(--bg-soft);
    color: var(--primary);
}
.pagination .page-number.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25);
}
.pagination .btn-secondary,
.pagination .btn-disabled {
    min-height: 34px;
    height: 34px;
    padding: 0 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
}
.pagination .btn-secondary {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    box-shadow: none;
}
.pagination .btn-secondary:hover {
    background: var(--bg-soft);
    color: var(--primary);
    border-color: var(--border);
    transform: none;
}
.pagination .btn-disabled {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: not-allowed;
    box-shadow: none;
}
.page-info {
    color: var(--text-muted);
    font-size: 0.875rem;
}
.page-ellipsis {
    color: var(--text-muted);
    user-select: none;
}

/* 空状态 */
.empty-state {
    padding: 2.5rem 1rem;
}
.empty-state-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--surface-2);
    color: var(--text-muted);
}
.empty-state-icon svg {
    width: 28px;
    height: 28px;
}

/* 响应式微调 */
@media (max-width: 768px) {
    .user-list-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    .user-list-actions {
        width: 100%;
    }
    .user-list-actions .btn {
        flex: 1 1 auto;
    }
}

/* 工具类补充 */
.text-danger { color: var(--error); }
.text-warning { color: var(--warning); }
.text-xs { font-size: 0.6875rem; }