/* 论坛/知识库通用样式表：主题变量、布局、卡片、列表、编辑器(Quill/Markdown)、
   管理后台、资料页等。配套 corp.css（官网）与 docs/kb.css（知识库专属） */

/* ===== 全局样式（对齐官网深色主题） ===== */
:root,
[data-theme="dark"] {
  --forum-bg: #16161f;
  --forum-surface: rgba(255, 255, 255, 0.05);
  --forum-surface-raised: rgba(255, 255, 255, 0.08);
  --forum-border: rgba(255, 255, 255, 0.10);
  --forum-text: #e8e8ec;
  --forum-text-muted: rgba(255, 255, 255, 0.62);
  --forum-text-dim: rgba(255, 255, 255, 0.35);
  --forum-text-strong: #fff;
  --forum-header-bg: rgba(22, 22, 31, 0.92);
  --forum-input-bg: rgba(0, 0, 0, 0.2);
  --forum-editor-bg: #2a2a36;
  --forum-option-bg: #1e1e28;
  --forum-option-color: #e8e8ec;
  --forum-bg-subtle: rgba(255, 255, 255, 0.02);
  --forum-accent: #4a6cf7;
  --forum-primary: var(--forum-accent);
  --forum-accent-hover: #5a7cff;
  --forum-accent-soft: rgba(74, 108, 247, 0.18);
  --forum-success: #34c759;
  --forum-warning: #ff9500;
  --forum-danger: #ff453a;
  --forum-gold: #d4a853;
}

[data-theme="light"] {
  --forum-bg: #f8f9fc;
  --forum-surface: rgba(0, 0, 0, 0.03);
  --forum-surface-raised: rgba(0, 0, 0, 0.05);
  --forum-border: rgba(0, 0, 0, 0.1);
  --forum-text: #1a1a24;
  --forum-text-muted: rgba(0, 0, 0, 0.62);
  --forum-text-dim: rgba(0, 0, 0, 0.4);
  --forum-text-strong: #0a0a0f;
  --forum-header-bg: rgba(248, 249, 252, 0.92);
  --forum-input-bg: #fff;
  --forum-editor-bg: #fff;
  --forum-option-bg: #fff;
  --forum-option-color: #1a1a24;
  --forum-bg-subtle: rgba(0, 0, 0, 0.04);
  --forum-accent-soft: rgba(74, 108, 247, 0.12);
  color-scheme: light;
}

html {
  color-scheme: dark;
}

select option {
  background: var(--forum-option-bg);
  color: var(--forum-option-color);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--forum-bg);
  color: var(--forum-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-wrapper {
  flex: 1;
}

body:not(.login-page) .main-wrapper {
  padding-top: 72px;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ===== 论坛顶栏（布局与官网 corp-header 一致） ===== */
.forum-header-tail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
  flex-shrink: 0;
}

.forum-header-tail .corp-header-actions {
  margin-left: 0;
}

.forum-header-search {
  width: 200px;
  flex-shrink: 1;
  min-width: 120px;
}

.forum-header-search input {
  width: 100%;
  padding: 8px 14px;
  border: 1px solid var(--forum-border);
  border-radius: 8px;
  font-size: 13px;
  color: var(--forum-text);
  background: var(--forum-input-bg);
  transition: border-color 0.2s;
}

.forum-header-search input:focus {
  outline: none;
  border-color: var(--forum-accent);
  box-shadow: 0 0 0 2px var(--forum-accent-soft);
}

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

.forum-confirm-card.forum-work-calendar-card {
  width: min(1080px, calc(100vw - 32px));
  height: min(1040px, calc(100vh - 32px));
  display: flex;
  flex-direction: column;
  overflow: auto;
  box-sizing: border-box;
}

.forum-work-calendar-head {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.forum-work-calendar-nav {
  grid-column: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.forum-work-calendar-head > [data-cal-close] {
  grid-column: 3;
  justify-self: end;
}

.forum-work-calendar-head h3 {
  margin: 0;
  color: var(--forum-text);
  font-size: 16px;
  text-align: center;
}

.forum-work-calendar-hint {
  margin-bottom: 10px;
  color: var(--forum-text-dim);
  font-size: 12px;
}

.forum-work-calendar-weekdays,
.forum-work-calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  column-gap: 12px;
  row-gap: 8px;
}

.forum-work-calendar-weekdays {
  margin-bottom: 6px;
  color: var(--forum-text-dim);
  font-size: 12px;
  text-align: center;
}

.forum-work-calendar-grid {
  flex: 1 1 auto;
  grid-auto-rows: minmax(110px, 1fr);
  min-height: 0;
  overflow: auto;
  padding: 3px;
  box-sizing: border-box;
}

.forum-work-calendar-day {
  min-height: 110px;
  border: 1px solid var(--forum-border);
  border-radius: 12px;
  background: var(--forum-card-bg-soft, var(--forum-card-bg));
  color: var(--forum-text);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 7px;
  cursor: pointer;
  position: relative;
  padding: 10px;
  text-align: left;
}

.forum-work-calendar-day.is-empty {
  border: none;
  background: transparent;
  cursor: default;
}

.forum-work-calendar-day span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 700;
}

.forum-work-calendar-day span b {
  position: absolute;
  top: 10px;
  right: 10px;
  max-width: 78px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--forum-accent-hover);
  font-size: 11px;
  font-weight: 600;
}

.forum-work-calendar-day.is-workday {
  box-shadow: inset 0 0 0 1px rgba(82, 196, 26, 0.16);
}

.forum-work-calendar-day.is-rest {
  background: color-mix(in srgb, #ff8fb3 18%, var(--forum-card-bg));
  border-color: color-mix(in srgb, #ff8fb3 45%, var(--forum-border));
}

.forum-work-calendar-day.is-today {
  border-color: var(--forum-accent);
}

.forum-work-calendar-day.is-selected {
  outline: 2px solid var(--forum-accent);
  outline-offset: 1px;
}

.forum-work-calendar-day em {
  position: absolute;
  right: 5px;
  top: 5px;
  border-radius: 999px;
  background: var(--forum-accent-soft);
  color: var(--forum-accent-hover);
  font-size: 10px;
  font-style: normal;
  padding: 1px 5px;
}

.forum-work-calendar-tasks {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.forum-work-calendar-task,
.forum-work-calendar-task-more {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border-radius: 6px;
  background: var(--forum-accent-soft);
  color: var(--forum-accent-hover);
  padding: 2px 5px;
  font-size: 11px;
  line-height: 1.35;
}

.forum-work-calendar-task-more {
  background: transparent;
  color: var(--forum-text-dim);
  padding-left: 1px;
}

.forum-work-calendar-task--done {
  background: color-mix(in srgb, var(--forum-text-dim) 18%, transparent);
  color: var(--forum-text-dim);
}

.forum-work-calendar-task--active {
  background: color-mix(in srgb, #3f9d5c 18%, transparent);
  color: #3f9d5c;
}

.forum-work-calendar-task--review {
  background: color-mix(in srgb, #3a7bd5 18%, transparent);
  color: #3a7bd5;
  font-weight: 600;
}

.forum-work-calendar-task--delayed {
  background: color-mix(in srgb, #d64545 18%, transparent);
  color: #d64545;
  font-weight: 600;
}

.forum-work-calendar-task--todo {
  background: color-mix(in srgb, #c69214 20%, transparent);
  color: #c69214;
  font-weight: 600;
}

.forum-work-calendar-task--leave {
  background: color-mix(in srgb, #d97a2b 18%, transparent);
  color: #d97a2b;
  font-weight: 600;
}

.forum-work-calendar-day-panel {
  margin-top: 12px;
  display: grid;
  gap: 8px;
  flex: 0 0 218px;
  border-top: 1px solid var(--forum-border);
  padding-top: 12px;
  min-height: 0;
}

.forum-work-calendar-day-panel[hidden] {
  display: none !important;
}

.forum-work-calendar-day-panel-title {
  color: var(--forum-text);
  font-size: 13px;
  font-weight: 600;
}

.forum-work-calendar-day-task-list {
  height: 178px;
  overflow: auto;
}

.forum-work-calendar-task-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  color: var(--forum-text);
}

.forum-work-calendar-task-table th,
.forum-work-calendar-task-table td {
  border-bottom: 1px solid var(--forum-border);
  padding: 8px 10px;
  text-align: left;
  white-space: nowrap;
}

.forum-work-calendar-task-table th {
  display: none;
}

.forum-work-calendar-task-table td {
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.forum-work-calendar-task-table tbody tr:hover {
  background: var(--forum-bg-subtle);
}

.forum-work-calendar-day-empty {
  color: var(--forum-text-dim);
  font-size: 13px;
  min-height: 178px;
}

.forum-work-calendar-menu {
  position: fixed;
  z-index: 1200;
  min-width: 138px;
  padding: 4px 0;
  border: 1px solid var(--forum-border);
  border-radius: 8px;
  background: var(--forum-option-bg);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
}

.forum-work-calendar-menu button {
  display: block;
  width: 100%;
  border: none;
  background: transparent;
  color: var(--forum-text);
  padding: 8px 12px;
  text-align: left;
  cursor: pointer;
}

.forum-work-calendar-menu button:hover {
  background: var(--forum-bg-subtle);
}

.forum-work-calendar-note-card {
  width: min(360px, calc(100vw - 32px));
}

.forum-work-calendar-note-card h3 {
  margin: 0 0 12px;
  color: var(--forum-text);
  font-size: 16px;
}

.forum-work-calendar-note-card input {
  width: 100%;
  border: 1px solid var(--forum-border);
  border-radius: 8px;
  background: var(--forum-input-bg);
  color: var(--forum-text);
  padding: 8px 10px;
  box-sizing: border-box;
  margin-bottom: 12px;
}

.forum-header .forum-user-info {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.forum-user-display {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  white-space: nowrap;
}

.forum-user-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--forum-text);
  transition: opacity 0.2s;
}

.forum-user-link:hover {
  opacity: 0.85;
}

.forum-user-link .username {
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}

.forum-header-icon-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--forum-text);
  cursor: pointer;
  transition: color 0.15s, opacity 0.2s;
}

.forum-header-icon-btn:hover {
  color: var(--forum-text-strong);
  opacity: 0.85;
}

.forum-header-icon-btn .forum-nav-unread-badge {
  right: -7px;
  top: -5px;
}

.forum-user-menu-wrap {
  position: relative;
  display: inline-flex;
}

.forum-user-menu-trigger {
  position: relative;
  border: none;
  background: transparent;
  padding: 0;
  cursor: pointer;
}

.forum-user-avatar-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.forum-user-trigger-content {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.forum-nav-unread-badge {
  position: absolute;
  right: -14px;
  top: -8px;
  min-width: 17px;
  height: 17px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  font-size: 11px;
  line-height: 1;
  color: #fff;
  background: #ff4d5a;
  border: 1px solid rgba(0, 0, 0, 0.25);
  box-sizing: border-box;
}

.forum-nav-unread-badge[hidden] {
  display: none !important;
}

.forum-user-unread-badge {
  position: absolute;
  right: -8px;
  top: -6px;
  min-width: 17px;
  height: 17px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  font-size: 11px;
  line-height: 1;
  color: #fff;
  background: #ff4d5a;
  border: 1px solid rgba(0, 0, 0, 0.25);
  box-sizing: border-box;
}

.forum-user-unread-badge[hidden] {
  display: none !important;
}

.forum-user-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 78px;
  border-radius: 10px;
  border: 1px solid var(--forum-border);
  background: var(--forum-option-bg);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.24);
  padding: 6px;
  z-index: 50;
}

.forum-user-menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-radius: 8px;
  padding: 8px 8px;
  color: var(--forum-text);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
}

.forum-user-menu a:hover {
  background: var(--forum-bg-subtle);
}

.forum-menu-unread-badge {
  min-width: 17px;
  height: 17px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  font-size: 11px;
  line-height: 1;
  color: #fff;
  background: #ff4d5a;
  box-sizing: border-box;
}

.forum-menu-unread-badge[hidden] {
  display: none !important;
}

.forum-user-menu .forum-user-menu-logout {
  color: var(--forum-danger);
}

.forum-user-menu .forum-user-menu-logout:hover {
  background: color-mix(in srgb, var(--forum-danger) 12%, transparent);
}

.forum-header .forum-user-display .btn-logout {
  color: var(--forum-text-dim);
  cursor: pointer;
  font-size: 13px;
  transition: color 0.2s;
}

.forum-header .forum-user-display .btn-logout:hover {
  color: var(--forum-danger);
}

.user-avatar {
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.user-avatar-xs {
  width: 20px;
  height: 20px;
  font-size: 11px;
}

.user-avatar-sm {
  width: 28px;
  height: 28px;
}

.user-avatar-lg {
  width: 96px;
  height: 96px;
  font-size: 36px;
}

.user-avatar-default {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--corp-accent), #8c50c8);
  color: #fff;
  font-weight: 700;
}

.author-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--forum-text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.author-link:hover {
  color: var(--forum-text-strong);
}

[data-theme="dark"] .author-link {
  color: rgba(255, 255, 255, 0.82);
}

[data-theme="dark"] .author-link:hover {
  color: var(--forum-text-strong);
}

/* ===== 容器 ===== */
.container {
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 24px;
}

/* ===== 论坛首页布局（左侧板块 + 帖子列表） ===== */
.container-forum-home {
  max-width: 1100px;
}

.container-messages {
  max-width: 1100px;
}

.messages-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 16px;
}

.messages-sidebar,
.messages-main {
  background: var(--forum-surface);
  border: 1px solid var(--forum-border);
  border-radius: 12px;
  box-shadow: none;
  overflow: hidden;
}

.messages-sidebar {
  padding: 10px;
  display: grid;
  gap: 6px;
  align-content: start;
}

.messages-sidebar-section {
  display: grid;
  gap: 6px;
}

.messages-sidebar-title {
  font-size: 12px;
  color: var(--forum-text-dim);
  padding: 2px 6px;
}

.messages-sidebar-divider {
  height: 1px;
  background: var(--forum-border);
  margin: 6px 4px;
}

.messages-conv-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.messages-tab {
  border: 1px solid transparent;
  background: transparent;
  color: var(--forum-text);
  padding: 10px 12px;
  border-radius: 8px;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.messages-tab:hover {
  background: var(--forum-bg-subtle);
}

.messages-tab.is-active {
  border-color: color-mix(in srgb, var(--forum-primary) 40%, var(--forum-border));
  background: color-mix(in srgb, var(--forum-primary) 14%, transparent);
}

.messages-tab-count {
  color: var(--forum-text-dim);
  font-size: 12px;
}

.messages-main-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--forum-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.messages-list {
  padding: 0;
}

.messages-empty {
  padding: 28px 18px;
  color: var(--forum-text-dim);
  text-align: center;
}

.messages-item {
  display: block;
  padding: 14px 16px;
  border-bottom: 1px solid var(--forum-border);
  text-decoration: none;
  color: inherit;
}

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

.messages-item:hover {
  background: var(--forum-bg-subtle);
}

.messages-item-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  color: var(--forum-text-strong);
}

.messages-item-unread-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff4d5a;
  flex-shrink: 0;
}

.messages-item-meta {
  color: var(--forum-text-dim);
  font-size: 12px;
  margin-bottom: 6px;
}

.messages-item-excerpt {
  color: var(--forum-text);
  font-size: 14px;
  line-height: 1.45;
  white-space: pre-line;
}

.messages-pagination {
  padding: 14px 16px;
  border-top: 1px solid var(--forum-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.messages-main-actions {
  display: flex;
  gap: 8px;
}

.messages-conv-empty {
  color: var(--forum-text-dim);
  font-size: 13px;
  padding: 8px 6px;
}

.messages-conv-item {
  width: 100%;
  border: 1px solid transparent;
  background: transparent;
  color: var(--forum-text);
  border-radius: 8px;
  text-align: left;
  padding: 8px 9px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  box-sizing: border-box;
}

.messages-conv-item:hover {
  background: var(--forum-bg-subtle);
}

/* 置顶：与微信一致，仅用背景色区分 */
.messages-conv-item.is-pinned {
  background: color-mix(in srgb, var(--forum-text) 8%, transparent);
}

/* 选中：用外边框表示，不覆盖置顶背景 */
.messages-conv-item.is-active {
  border-color: var(--forum-primary);
}

.messages-conv-avatar {
  position: relative;
  flex: 0 0 auto;
  display: inline-flex;
}

.messages-conv-avatar .user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.messages-conv-group-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--forum-bg-subtle);
  border: 1px solid var(--forum-border);
  color: var(--forum-text-dim);
}

/* 群聊头像：微信式成员头像拼图 */
.messages-conv-avatar-grid {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  overflow: hidden;
  display: grid;
  gap: 1px;
  padding: 1px;
  background: var(--forum-bg-subtle);
  border: 1px solid var(--forum-border);
  box-sizing: border-box;
}

.messages-conv-avatar-grid.is-grid-2 {
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 1fr;
}

.messages-conv-avatar-grid.is-grid-3 {
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 1fr;
}

.messages-conv-avatar-grid .user-avatar {
  width: 100%;
  height: 100%;
  border-radius: 2px;
  object-fit: cover;
  font-size: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.messages-conv-avatar .messages-conv-unread {
  position: absolute;
  top: -6px;
  right: -6px;
}

.messages-conv-avatar .messages-conv-unread-dot {
  position: absolute;
  top: -3px;
  right: -3px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ff4d5a;
}

.messages-conv-body {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.messages-conv-line1 {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.messages-conv-name {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--forum-text-strong);
  font-size: 14px;
}

.messages-conv-time {
  flex: 0 0 auto;
  font-size: 11px;
  color: var(--forum-text-dim);
}

.messages-conv-line2 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.messages-conv-preview {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 12px;
  color: var(--forum-text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.messages-conv-mute {
  flex: 0 0 auto;
  display: inline-flex;
  color: var(--forum-text-dim);
}

.messages-conv-unread {
  min-width: 18px;
  height: 18px;
  line-height: 18px;
  border-radius: 999px;
  background: #ff4d5a;
  color: #fff;
  font-size: 11px;
  text-align: center;
  padding: 0 5px;
}

.messages-chat-list {
  min-height: 320px;
  max-height: 56vh;
  overflow: auto;
  padding: 14px 16px;
  border-bottom: 1px solid var(--forum-border);
  display: grid;
  gap: 10px;
}

.messages-chat-item {
  display: flex;
  justify-content: flex-start;
}

.messages-chat-item.is-mine {
  justify-content: flex-end;
}

.messages-chat-bubble {
  max-width: min(72%, 620px);
  background: var(--forum-bg-subtle);
  border: 1px solid var(--forum-border);
  border-radius: 12px;
  padding: 9px 11px;
  color: var(--forum-text);
  line-height: 1.45;
  white-space: normal;
  word-break: break-word;
}

.messages-chat-sender {
  font-size: 12px;
  color: var(--forum-text-dim);
  margin-bottom: 4px;
}

.messages-chat-time {
  margin-top: 6px;
  font-size: 11px;
  color: var(--forum-text-dim);
}

.messages-chat-compose {
  padding: 6px 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.messages-chat-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
}

.messages-chat-icon-btn {
  border: none;
  background: transparent;
  color: var(--forum-text-dim);
  border-radius: 8px;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.messages-chat-icon-btn:hover {
  background: var(--forum-bg-subtle);
  color: var(--forum-text);
}

.messages-chat-compose textarea {
  width: 100%;
  flex: 1 1 auto;
  min-height: 0;
  resize: none;
  border: none;
  border-radius: 0;
  padding: 4px 6px;
  background: transparent;
  color: var(--forum-text);
  font-size: 14px;
  line-height: 1.5;
}

.messages-chat-compose textarea:focus {
  outline: none;
}

.messages-chat-compose-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.messages-chat-resize-handle {
  height: 7px;
  margin: -3px 0 -4px;
  cursor: ns-resize;
  position: relative;
  z-index: 5;
  flex: 0 0 auto;
}

.messages-chat-resize-handle:hover,
body.is-chat-resizing .messages-chat-resize-handle {
  background: color-mix(in srgb, var(--forum-primary) 30%, transparent);
}

body.is-chat-resizing {
  cursor: ns-resize;
  user-select: none;
}

.messages-chat-actions-menu-wrap {
  position: relative;
}

.messages-chat-header-right {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.messages-chat-unread-badge {
  min-width: 18px;
  height: 18px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  font-size: 11px;
  line-height: 1;
  color: #fff;
  background: #ff4d5a;
  border: 1px solid rgba(0, 0, 0, 0.25);
  box-sizing: border-box;
}

.messages-chat-unread-badge[hidden] {
  display: none !important;
}

.messages-chat-actions-trigger {
  border: none;
  background: transparent;
  color: var(--forum-text-dim);
  border-radius: 8px;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.messages-chat-actions-trigger:hover {
  background: var(--forum-bg-subtle);
  color: var(--forum-text);
}

.messages-chat-actions-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 190px;
  border: 1px solid var(--forum-border);
  border-radius: 10px;
  background: var(--forum-option-bg);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.24);
  padding: 6px;
  z-index: 20;
}

.messages-chat-actions-menu button {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--forum-text);
  text-align: left;
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  font-size: 13px;
}

.messages-chat-actions-menu button:hover {
  background: var(--forum-bg-subtle);
}

.messages-chat-actions-menu button.is-danger {
  color: var(--forum-danger);
}

.messages-chat-menu-divider {
  height: 1px;
  background: var(--forum-border);
  margin: 5px 4px;
}

.messages-chat-actions-menu .chat-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.chat-menu-switch {
  flex: 0 0 auto;
  width: 34px;
  height: 19px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--forum-text) 22%, transparent);
  position: relative;
  transition: background 0.15s ease;
}

.chat-menu-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #fff;
  transition: left 0.15s ease;
}

.chat-menu-switch.is-on {
  background: #07c160;
}

.chat-menu-switch.is-on::after {
  left: 17px;
}

.messages-chat-search-dialog {
  width: min(520px, 94vw);
  padding: 22px 22px 16px;
}

.messages-chat-search-dialog .messages-new-search-wrap {
  margin-bottom: 10px;
}

.messages-chat-search-dialog .messages-new-search-wrap input {
  width: 100%;
  height: 34px;
  border: 1px solid var(--forum-border);
  border-radius: 8px;
  background: var(--forum-bg);
  color: var(--forum-text);
  padding: 0 10px;
  box-sizing: border-box;
}

.messages-chat-search-dialog .messages-new-search-wrap input:focus {
  outline: none;
  border-color: var(--forum-accent);
  box-shadow: 0 0 0 2px var(--forum-accent-soft);
}

.messages-chat-search-results {
  min-height: 200px;
  max-height: 46vh;
  overflow: auto;
  border: 1px solid var(--forum-border);
  border-radius: 8px;
  padding: 6px;
}

.messages-chat-search-item {
  padding: 8px 10px;
  border-radius: 8px;
}

.messages-chat-search-item:hover {
  background: var(--forum-bg-subtle);
}

.messages-chat-search-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  color: var(--forum-text-dim);
  margin-bottom: 3px;
}

.messages-chat-search-content {
  font-size: 13px;
  color: var(--forum-text);
  word-break: break-word;
}

.messages-chat-member-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border-radius: 8px;
}

.messages-chat-member-row:hover {
  background: var(--forum-bg-subtle);
}

.messages-chat-member-avatar {
  flex: 0 0 auto;
  display: inline-flex;
}

.messages-chat-member-name {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
}

.messages-chat-member-remove {
  flex: 0 0 auto;
}

/* 聊天页：纵向撑满可视区域（扣除固定头部） */
body.chat-page .main-wrapper {
  min-height: calc(100vh - 72px);
}

body.chat-page .container-messages {
  height: calc(100vh - 72px);
  margin: 0 auto;
  padding-top: 12px;
  padding-bottom: 12px;
  display: flex;
}

body.chat-page .messages-layout {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 0;
  border: 1px solid var(--forum-border);
  border-radius: 12px;
  background: var(--forum-surface);
  overflow: hidden;
}

body.chat-page .messages-sidebar,
body.chat-page .messages-main {
  min-height: 0;
  border: none;
  border-radius: 0;
  background: transparent;
}

body.chat-page .messages-sidebar {
  border-right: 1px solid var(--forum-border);
  display: flex;
  flex-direction: column;
  padding: 10px;
}

body.chat-page .messages-sidebar-section {
  display: flex;
  flex-direction: column;
  min-height: 0;
  flex: 1 1 auto;
}

body.chat-page #messagesConversations {
  min-height: 0;
  overflow: auto;
  padding-right: 2px;
}

body.chat-page .messages-conv-search-wrap {
  padding: 0 2px 8px;
}

body.chat-page .messages-conv-search {
  width: 100%;
  height: 34px;
  border: 1px solid var(--forum-border);
  border-radius: 8px;
  background: var(--forum-bg);
  color: var(--forum-text);
  padding: 0 10px;
}

body.chat-page .messages-conv-search:focus {
  outline: none;
  border-color: var(--forum-accent);
  box-shadow: 0 0 0 2px var(--forum-accent-soft);
}

body.chat-page .messages-main-header {
  padding: 12px 14px;
}

body.chat-page .messages-chat-list {
  flex: 1 1 auto;
  min-height: 0;
  max-height: none;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  overflow: auto;
}

body.chat-page .messages-chat-item {
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  gap: 8px;
}

body.chat-page .messages-chat-item.is-mine {
  justify-content: flex-end;
}

body.chat-page .messages-chat-item.is-mine .messages-chat-avatar {
  order: 2;
}

body.chat-page .messages-chat-avatar {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
}

/* 聊天头像：圆角方形，与单行气泡等高（36px，对标微信） */
body.chat-page .messages-chat-avatar .user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  font-size: 15px;
}

body.chat-page .messages-chat-bubble {
  width: fit-content;
  max-width: min(66%, 620px);
  min-width: 0;
  box-sizing: border-box;
  min-height: 36px;
  padding: 8px 12px;
  font-size: 14px;
  line-height: 20px;
}

body.chat-page .messages-chat-item {
  align-items: flex-start;
}

body.chat-page .messages-chat-content {
  white-space: pre-wrap;
}

body.chat-page .messages-chat-image {
  display: block;
  max-width: 220px;
  max-height: 220px;
  border-radius: 8px;
}

body.chat-page .messages-chat-list {
  border-bottom: none;
  padding: 16px 18px;
  gap: 14px;
}

body.chat-page .messages-chat-compose {
  border-top: 1px solid var(--forum-border);
  height: 180px;
  flex: 0 0 auto;
  overflow: hidden;
}

body.chat-page .messages-main {
  display: flex;
  flex-direction: column;
}

.messages-new-dialog {
  width: min(760px, 94vw);
  padding: 22px 22px 16px;
}

.messages-new-title {
  margin: 0 0 14px;
  font-size: 22px;
  font-weight: 600;
  color: var(--forum-text);
}

.messages-new-body {
  border: 1px solid var(--forum-border);
  border-radius: 8px;
  min-height: 300px;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  margin-bottom: 12px;
}

.messages-new-pane {
  background: var(--forum-surface);
  min-width: 0;
}

.messages-new-pane-right {
  border-left: 1px solid var(--forum-border);
}

.messages-new-search-wrap {
  height: 56px;
  padding: 9px 12px;
  border-bottom: 1px solid var(--forum-border);
  box-sizing: border-box;
}

.messages-new-dialog input[type="text"] {
  display: block;
  width: 100%;
  border: 1px solid var(--forum-border);
  border-radius: 8px;
  padding: 9px 11px;
  background: var(--forum-bg);
  color: var(--forum-text);
  font-size: 14px;
}

.messages-new-dialog input[type="text"]:focus {
  outline: none;
  border-color: var(--forum-accent);
  box-shadow: 0 0 0 2px var(--forum-accent-soft);
}

.messages-new-results {
  display: none;
  max-height: 250px;
  overflow: auto;
  padding: 8px;
}

.messages-new-results.has-content {
  display: block;
}

.messages-new-user {
  width: 100%;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--forum-text);
  text-align: left;
  padding: 9px 10px;
  cursor: pointer;
  display: grid;
  gap: 2px;
}

.messages-new-user:hover {
  background: var(--forum-bg-subtle);
}

.messages-new-user.is-active {
  border-color: color-mix(in srgb, var(--forum-primary) 38%, var(--forum-border));
  background: color-mix(in srgb, var(--forum-primary) 12%, transparent);
}

.messages-new-user-name {
  font-size: 14px;
}

.messages-new-inline-at {
  margin-left: 6px;
  font-size: 12px;
  color: var(--forum-text-dim);
}

.messages-new-selected-title {
  height: 56px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  border-bottom: 1px solid var(--forum-border);
  color: var(--forum-text);
  font-size: 14px;
  box-sizing: border-box;
}

.messages-new-selected-list {
  max-height: 244px;
  overflow: auto;
  padding: 10px;
  display: grid;
  gap: 8px;
}

.messages-new-selected-item {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--forum-border);
  border-radius: 8px;
  padding: 8px 10px;
  background: var(--forum-bg-subtle);
  box-sizing: border-box;
  width: 100%;
}

.messages-new-selected-name {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 14px;
  color: var(--forum-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.messages-new-selected-remove {
  flex: 0 0 auto;
  border: none;
  background: transparent;
  color: var(--forum-text-dim);
  cursor: pointer;
  font-size: 12px;
}

.messages-new-label {
  display: inline-block;
  margin: 0 0 6px;
  font-size: 14px;
  color: var(--forum-text);
}

.messages-new-placeholder {
  color: var(--forum-text-dim);
  font-size: 13px;
  padding: 10px;
}

.forum-layout {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.forum-sidebar {
  flex-shrink: 0;
  width: 52px;
  position: sticky;
  top: 88px;
}

.category-rail {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.category-rail-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--forum-border);
  border-radius: 50%;
  background: var(--forum-surface);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s, transform 0.15s;
  color: var(--forum-text-muted);
  font-family: inherit;
}

.category-rail-item:hover {
  background: var(--forum-accent-soft);
  border-color: var(--forum-accent);
  color: var(--forum-text);
  transform: scale(1.06);
}

.category-rail-item.active {
  background: var(--forum-accent);
  border-color: var(--forum-accent);
  color: #fff;
  box-shadow: 0 2px 12px var(--forum-accent-soft);
}

.category-rail-item .rail-icon-img {
  width: 22px;
  height: 22px;
  display: block;
  pointer-events: none;
  transition: filter 0.2s, opacity 0.2s;
  opacity: 0.85;
}

.category-rail-item:hover .rail-icon-img {
  opacity: 1;
}

.category-rail-item.active .rail-icon-img {
  filter: brightness(0) invert(1);
  opacity: 1;
}

[data-theme="light"] .category-rail-item:not(.active) .rail-icon-img {
  filter: brightness(0.35);
  opacity: 0.75;
}

[data-theme="light"] .category-rail-item:hover:not(.active) .rail-icon-img {
  filter: brightness(0.2);
  opacity: 1;
}

.category-rail-item::after {
  content: attr(data-tip);
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  padding: 5px 10px;
  border-radius: 6px;
  /* 悬浮提示必须不透明：表面色变量本身带透明度，叠在页面底色上合成实色 */
  background: linear-gradient(var(--forum-surface-raised), var(--forum-surface-raised)), var(--forum-bg);
  border: 1px solid var(--forum-border);
  color: var(--forum-text);
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.15s, visibility 0.15s;
  z-index: 20;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.category-rail-item:hover::after,
.category-rail-item:focus-visible::after {
  opacity: 1;
  visibility: visible;
}

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

.forum-posts-card {
  margin-bottom: 0;
}

.forum-posts-header {
  padding: 12px 20px;
  border-bottom: 1px solid var(--forum-border);
  justify-content: flex-start;
  align-items: center;
  gap: 8px;
}

.forum-post-search {
  flex: 0 0 auto;
  width: 260px;
  max-width: 45vw;
  margin: 0;
  height: 30px;
  padding: 0 10px;
  border: 1px solid var(--forum-border);
  border-radius: 6px;
  font-size: 13px;
  line-height: 28px;
  box-sizing: border-box;
  color: var(--forum-text-muted);
  background: var(--forum-input-bg);
}

.forum-post-search:focus {
  outline: none;
  border-color: var(--forum-accent);
}

.forum-post-search::placeholder {
  color: var(--forum-text-muted);
  opacity: 0.85;
}

.forum-new-post-btn {
  margin-left: auto;
  flex-shrink: 0;
}

.forum-posts-body {
  padding: 8px 20px 20px;
}

.forum-posts-body .post-list {
  margin: 0;
}

.card:has(.forum-quill-editor) {
  overflow: visible;
}

.card:has(.forum-quill-editor) .card-body {
  overflow: visible;
}

.form-group:has(.forum-quill-editor) {
  overflow: visible;
}

/* ===== 卡片组件 ===== */
.card {
  background: var(--forum-surface);
  border: 1px solid var(--forum-border);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
}

.card-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--forum-border);
  font-weight: 600;
  font-size: 15px;
  color: var(--forum-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-body {
  padding: 16px 24px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  line-height: 1.4;
}

.btn-primary {
  background: var(--forum-accent);
  color: #fff;
  border-color: var(--forum-accent);
}

.btn-primary:hover {
  background: var(--forum-accent-hover);
  border-color: var(--forum-accent-hover);
}

.btn-danger {
  background: var(--forum-danger);
  color: #fff;
  border-color: var(--forum-danger);
}

.btn-danger:hover {
  background: #e0352b;
  border-color: #e0352b;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--forum-border);
  color: var(--forum-text-muted);
}

.btn-outline:hover {
  background: var(--forum-surface-raised);
  border-color: var(--forum-accent);
  color: var(--forum-text-strong);
}

.btn-success {
  background: var(--forum-success);
  color: #fff;
  border-color: var(--forum-success);
}

.btn-success:hover {
  background: #2db84e;
}

.btn-warning {
  background: var(--forum-warning);
  color: #fff;
  border-color: var(--forum-warning);
}

.btn-warning:hover {
  background: #e68600;
  border-color: #e68600;
}

.btn-sm {
  padding: 4px 12px;
  font-size: 12px;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ===== 表单 ===== */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--forum-text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--forum-border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--forum-text);
  background: var(--forum-input-bg);
  transition: border-color 0.2s, background 0.2s;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--forum-accent);
  box-shadow: 0 0 0 2px var(--forum-accent-soft);
}

.form-group textarea {
  min-height: 200px;
  resize: vertical;
  line-height: 1.6;
}

/* ===== 发帖 / 编辑帖子表单 ===== */
.post-compose-meta {
  display: flex;
  gap: 16px;
  align-items: flex-end;
}

.post-compose-title {
  flex: 1;
  min-width: 0;
  margin-bottom: 16px;
}

.post-compose-category {
  flex: 0 0 auto;
  width: 7em;
  margin-bottom: 16px;
}

.post-compose-category select {
  width: 100%;
  padding: 10px 22px 10px 10px;
  text-overflow: ellipsis;
}

.post-compose-content {
  margin-bottom: 16px;
}

.post-compose-content .forum-quill-editor .ql-editor {
  min-height: 400px;
}

.post-compose-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.post-compose-actions .btn {
  flex: none;
  width: auto;
}

@media (max-width: 768px) {
  .post-compose-meta {
    flex-direction: column;
    align-items: stretch;
  }

  .post-compose-category {
    width: 100%;
  }
}

/* ===== 帖子列表 ===== */
.post-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.post-list .post-list-item {
  padding: 16px 20px;
  border: 1px solid var(--forum-border);
  border-radius: 10px;
  background: var(--forum-surface-raised);
  transition: background 0.15s, border-color 0.15s;
}

.post-list .post-list-item:hover {
  background: var(--forum-accent-soft);
  border-color: color-mix(in srgb, var(--forum-primary) 25%, transparent);
}

.post-list .post-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

.post-list .post-title a {
  color: var(--forum-text);
  text-decoration: none;
  transition: color 0.2s;
}

.post-list .post-title a:hover {
  color: var(--forum-accent-hover);
}

.post-list .post-meta {
  font-size: 13px;
  color: var(--forum-text-dim);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.post-list .post-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.post-excerpt {
  font-size: 15px;
  color: var(--forum-text-muted);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sort-select {
  height: 30px;
  padding: 0 10px;
  border: 1px solid var(--forum-border);
  border-radius: 6px;
  font-size: 13px;
  line-height: 28px;
  box-sizing: border-box;
  color: var(--forum-text-muted);
  background: var(--forum-input-bg);
  cursor: pointer;
}

.sort-select:focus {
  outline: none;
  border-color: var(--forum-accent);
}

/* ===== 标签 ===== */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
  background: var(--forum-accent-soft);
  color: var(--forum-accent-hover);
}

.badge-admin {
  background: rgba(255, 69, 58, 0.15);
  color: #ff6b63;
}

.badge-employee-chief {
  background: rgba(214, 51, 108, 0.18);
  color: #ff8fb3;
}

.badge-employee-robot {
  background: rgba(56, 189, 248, 0.18);
  color: #7dd3fc;
}

.badge-employee-management {
  background: rgba(245, 158, 11, 0.18);
  color: #fbbf24;
}

.badge-employee-outsource {
  background: rgba(167, 139, 250, 0.18);
  color: #c4b5fd;
}

[data-theme="light"] .badge-employee-chief {
  background: #f8d7e2;
  color: #9f1239;
}

[data-theme="light"] .badge-employee-robot {
  background: #d7ecff;
  color: #075985;
}

[data-theme="light"] .badge-employee-management {
  background: #ffecd0;
  color: #92400e;
}

[data-theme="light"] .badge-employee-outsource {
  background: #e9e1fc;
  color: #5b21b6;
}

.badge-pinned {
  background: rgba(212, 168, 83, 0.15);
  color: var(--forum-gold);
}

.post-pinned {
  background: rgba(212, 168, 83, 0.08);
  border-color: rgba(212, 168, 83, 0.2);
}

.post-pinned:hover {
  background: rgba(212, 168, 83, 0.1);
  border-color: rgba(212, 168, 83, 0.3);
}

.admin-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.admin-actions {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.trend-chart {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px;
  height: 160px;
  padding: 0 8px;
}

.trend-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
}

.trend-bars {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 4px;
}

.trend-bar {
  width: 14px;
  border-radius: 4px 4px 0 0;
  min-height: 4px;
}

.trend-bar.posts { background: var(--forum-accent); }
.trend-bar.replies { background: var(--forum-success); }

.trend-label {
  font-size: 11px;
  color: var(--forum-text-dim);
  margin-top: 8px;
}

.trend-legend {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--forum-text-muted);
}

.legend-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: 4px;
  vertical-align: middle;
}

.legend-dot.posts { background: var(--forum-accent); }
.legend-dot.replies { background: var(--forum-success); }

.cat-stat-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.cat-stat-name {
  width: 80px;
  font-size: 13px;
  color: var(--forum-text-muted);
  flex-shrink: 0;
}

.cat-stat-bar-wrap {
  flex: 1;
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  overflow: hidden;
}

.cat-stat-bar {
  height: 100%;
  background: var(--forum-accent);
  border-radius: 4px;
  min-width: 2px;
}

.cat-stat-count {
  width: 30px;
  text-align: right;
  font-size: 13px;
  color: var(--forum-text-dim);
}

/* ===== 回复列表 ===== */
.reply-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--forum-border);
}

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

.reply-content {
  font-size: 14px;
  line-height: 1.7;
  color: var(--forum-text-muted);
}

.reply-form {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--forum-border);
}

.reply-form textarea {
  min-height: 100px;
  margin-bottom: 10px;
}

/* ===== 认证表单 ===== */
.login-page .main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.login-page .main-wrapper > .container {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 25vh;
  box-sizing: border-box;
}

.login-page .auth-form.card {
  width: 400px;
  max-width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
}

.auth-form .card-body {
  padding: 40px;
}

.auth-form .auth-submit-btn {
  width: 100%;
  padding: 12px;
  font-size: 15px;
  justify-content: center;
}

.auth-form-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  margin-bottom: 28px;
  color: var(--forum-text);
  font-size: 24px;
}

.auth-form-title-icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  color: var(--forum-accent);
}

.auth-form .message {
  margin-top: 12px;
  text-align: center;
  font-size: 14px;
  padding: 8px;
  border-radius: 6px;
}

.auth-form .message.error {
  color: #ff6b63;
  background: rgba(255, 69, 58, 0.12);
}

.auth-form .message.success {
  color: var(--forum-success);
  background: rgba(52, 199, 89, 0.12);
}

/* ===== 空状态 ===== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--forum-text-dim);
}

.empty-state .empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.empty-state p {
  margin-bottom: 16px;
  font-size: 15px;
}

/* ===== 管理后台表格 ===== */
.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.admin-table th,
.admin-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--forum-border);
}

.admin-table th {
  background: rgba(0, 0, 0, 0.25);
  font-weight: 600;
  color: var(--forum-text-muted);
  white-space: nowrap;
}

.admin-table tr:hover td {
  background: var(--forum-accent-soft);
}

.admin-table tr.row-pinned td {
  background: rgba(212, 168, 83, 0.06);
}

/* ===== 统计卡片 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--forum-surface);
  border: 1px solid var(--forum-border);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}

.stat-card .stat-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--forum-accent-hover);
  margin-bottom: 4px;
}

.stat-card .stat-label {
  font-size: 13px;
  color: var(--forum-text-dim);
}

/* ===== 帖子详情 ===== */
.post-detail-header {
  margin-bottom: 20px;
}

.post-detail-header .post-category {
  margin-bottom: 8px;
}

.post-detail-header h1 {
  font-size: 24px;
  font-weight: 600;
  color: var(--forum-text);
  margin-bottom: 12px;
  line-height: 1.4;
}

.post-detail-header .post-info {
  font-size: 13px;
  color: var(--forum-text-dim);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.post-detail-actions {
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  margin-left: auto;
}

.post-detail-content {
  font-size: 16px;
  line-height: 1.8;
  color: var(--forum-text-muted);
  padding: 8px 0;
}

.post-detail-content h1,
.post-detail-content h2,
.post-detail-content h3,
.reply-content h1,
.reply-content h2,
.reply-content h3 {
  color: var(--forum-text);
}

.post-detail-content a,
.reply-content a {
  color: var(--forum-accent);
}

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--forum-text-dim);
  margin-bottom: 16px;
}

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

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb .sep {
  color: var(--forum-text-dim);
}

.breadcrumb .current {
  color: var(--forum-text-muted);
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== Markdown 内容 ===== */
.markdown-body {
  word-wrap: break-word;
}

.markdown-body h1, .markdown-body h2, .markdown-body h3 {
  margin: 16px 0 8px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--forum-text);
}

.markdown-body h1 { font-size: 1.5em; }
.markdown-body h2 { font-size: 1.3em; }
.markdown-body h3 { font-size: 1.15em; }

.markdown-body p {
  margin: 8px 0;
}

.markdown-body img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 12px auto;
  display: block;
}

.markdown-body ul, .markdown-body ol {
  margin: 8px 0;
  padding-left: 24px;
}

.markdown-body code {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

.markdown-body pre {
  background: #1e1e1e;
  color: #d4d4d4;
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 12px 0;
}

.markdown-body pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.markdown-body blockquote {
  border-left: 4px solid var(--forum-accent);
  margin: 12px 0;
  padding: 4px 16px;
  color: var(--forum-text-muted);
  background: var(--forum-accent-soft);
}

.markdown-body a {
  color: var(--forum-accent-hover);
}

.markdown-body a:hover {
  text-decoration: underline;
}

/* ===== 回复楼层 ===== */
.reply-floor {
  font-weight: 600;
  color: var(--forum-accent-hover);
  font-size: 12px;
}

.btn-quote {
  padding: 2px 10px;
  border: 1px solid var(--forum-border);
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.2);
  font-size: 12px;
  color: var(--forum-text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-quote:hover {
  border-color: var(--forum-accent);
  color: var(--forum-accent-hover);
}

.btn-reply-delete:hover {
  border-color: #ef4444;
  color: #f87171;
}

.reply-meta {
  font-size: 13px;
  color: var(--forum-text-dim);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.reply-actions {
  display: flex;
  justify-content: flex-start;
  gap: 8px;
  margin-top: 10px;
}

/* ===== Quill 所见即所得编辑器（贴吧） ===== */
.forum-quill-editor {
  border: 1px solid var(--forum-border);
  border-radius: 12px;
  background: var(--forum-editor-bg);
}

/* 回复编辑器懒加载前的占位框：点击后才创建 Quill 实例 */
.forum-editor-placeholder {
  min-height: 120px;
  padding: 12px 15px;
  border: 1px solid var(--forum-border);
  border-radius: 12px;
  background: var(--forum-editor-bg);
  color: var(--forum-text-dim);
  font-size: 14px;
  line-height: 1.7;
  cursor: text;
}

.forum-quill-editor .ql-toolbar.ql-snow {
  border: none;
  border-bottom: 1px solid var(--forum-border);
  border-radius: 12px 12px 0 0;
  background: var(--forum-bg-subtle);
  font-family: inherit;
  padding: 8px 10px;
  overflow: visible;
  position: relative;
  z-index: 2;
}

.forum-quill-editor .ql-container.ql-snow {
  border: none;
  border-radius: 0 0 12px 12px;
  background: var(--forum-editor-bg);
  color: var(--forum-text);
  font-family: inherit;
  font-size: 14px;
  overflow: hidden;
}

.forum-quill-editor .ql-editor {
  line-height: 1.7;
  background: var(--forum-editor-bg);
}

.forum-quill-editor .ql-editor h1,
.forum-quill-editor .ql-editor h2,
.forum-quill-editor .ql-editor h3 {
  margin: 12px 0 6px;
  font-weight: 600;
  line-height: 1.4;
}

.forum-quill-editor .ql-editor h1 { font-size: 1.5em; }
.forum-quill-editor .ql-editor h2 { font-size: 1.3em; }
.forum-quill-editor .ql-editor h3 { font-size: 1.15em; }

/* 自定义标题下拉（替代 Quill 内置英文 picker） */
.forum-header-picker {
  position: relative;
  display: inline-flex;
  vertical-align: middle;
  margin-right: 4px;
}

.ql-toolbar .forum-header-picker .forum-header-trigger,
.forum-header-trigger {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  width: auto;
  height: auto;
  float: none;
  border: none;
  border-radius: 8px;
  padding: 4px 8px;
  background: transparent;
  color: var(--forum-text);
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
  cursor: pointer;
  font-family: inherit;
}

.forum-header-picker.is-open .forum-header-trigger {
  background: var(--forum-surface-raised);
}

.forum-header-menu {
  display: none;
  position: absolute;
  left: 0;
  bottom: calc(100% + 6px);
  min-width: 180px;
  border: 1px solid var(--forum-border);
  border-radius: 12px;
  background: var(--forum-option-bg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  padding: 6px;
  z-index: 30;
}

.forum-header-picker.is-open .forum-header-menu {
  display: block;
}

.ql-toolbar .forum-header-picker .forum-header-option,
.forum-header-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  height: auto;
  float: none;
  border: none;
  border-radius: 8px;
  padding: 8px 10px;
  margin: 0;
  background: transparent;
  color: var(--forum-text);
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
}

.ql-toolbar .forum-header-picker .forum-header-option:hover,
.forum-header-option:hover {
  background: var(--forum-accent-soft);
}

.forum-header-option .forum-header-check {
  display: none;
}

.forum-header-option.is-selected .forum-header-check {
  display: inline-flex;
}

.forum-header-chevron {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  position: relative;
  opacity: 0.55;
}

.forum-header-chevron::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 5px;
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(225deg);
}

.forum-header-picker.is-open .forum-header-chevron::before {
  top: 7px;
  transform: rotate(45deg);
}

.forum-header-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: var(--forum-bg-subtle);
  color: var(--forum-text-muted);
  font-size: 14px;
  font-weight: 600;
  font-style: normal;
  line-height: 1;
}

.forum-quill-editor .forum-header-icon .forum-header-h {
  font-size: 14px;
  font-weight: 600;
}

.forum-quill-editor .forum-header-icon sub {
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
  margin-left: 1px;
  position: relative;
  top: 2px;
}

.forum-quill-editor .forum-header-icon--text {
  font-size: 15px;
  font-weight: 700;
}

.forum-header-label,
.forum-header-label-only {
  font-size: 14px;
  font-weight: 500;
}

.forum-header-option .forum-header-label {
  flex: 1;
}

.forum-header-check {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--forum-accent);
  position: relative;
}

.forum-header-check::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 3px;
  width: 4px;
  height: 8px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.forum-quill-editor .ql-snow .ql-tooltip {
  display: none !important;
}

/* 资料编辑：保存与修改密码按钮并排 */
.profile-form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.profile-form-actions + .message,
.profile-form-actions + #profileMsg {
  margin-top: 12px;
}

.forum-link-card .form-group {
  margin-bottom: 12px;
}

.forum-link-card .form-group label {
  display: block;
  font-size: 13px;
  color: var(--forum-text-muted);
  margin-bottom: 6px;
}

.forum-link-card .form-group:last-of-type {
  margin-bottom: 0;
}

/* 自定义链接弹窗 */
.forum-link-dialog {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.45);
}

.forum-link-card {
  width: min(92vw, 420px);
  border: 1px solid var(--forum-border);
  border-radius: 12px;
  background: var(--forum-option-bg);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
  padding: 18px;
}

.forum-link-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--forum-text);
  margin-bottom: 12px;
}

.forum-link-input {
  width: 100%;
  border: 1px solid var(--forum-border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--forum-text);
  background: var(--forum-editor-bg);
  font-family: inherit;
  box-sizing: border-box;
}

.forum-link-input:focus {
  outline: none;
  border-color: var(--forum-accent);
}

.forum-link-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
}

.forum-link-spacer {
  flex: 1;
}

/* ===== 表情 / 贴图选择面板（QQ 风格双标签） ===== */
.forum-sticker-picker {
  position: fixed;
  z-index: 1100;
  width: min(92vw, 380px);
  border: 1px solid var(--forum-border);
  border-radius: 12px;
  background: var(--forum-option-bg);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.forum-sticker-picker-body {
  height: 280px;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px 10px 4px;
}

.forum-sticker-panel.is-hidden {
  display: none;
}

.forum-emoji-section {
  margin-bottom: 10px;
}

.forum-emoji-section-title {
  font-size: 12px;
  color: var(--forum-text-dim);
  margin-bottom: 6px;
  padding-left: 2px;
}

.forum-emoji-section-title--sub {
  font-size: 11px;
  opacity: 0.85;
  margin-top: 4px;
}

.forum-emoji-section--recent {
  padding-bottom: 8px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--forum-border);
}

.forum-recent-grid {
  min-height: 36px;
}

.forum-recent-empty {
  grid-column: 1 / -1;
  font-size: 12px;
  color: var(--forum-text-dim);
  padding: 8px 4px;
  text-align: center;
}

.forum-emoji-default-wrap .forum-emoji-section--category {
  margin-bottom: 8px;
}

.forum-emoji-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 2px;
}

.forum-emoji-btn {
  border: none;
  background: transparent;
  font-size: 22px;
  line-height: 1;
  padding: 6px 2px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s;
}

.forum-emoji-btn:hover {
  background: var(--forum-hover-bg, rgba(127, 127, 127, 0.12));
}

.forum-sticker-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 4px 2px 8px;
}

.forum-sticker-btn {
  border: none;
  background: transparent;
  padding: 6px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.forum-sticker-btn:hover {
  background: var(--forum-hover-bg, rgba(127, 127, 127, 0.12));
}

.forum-sticker-btn img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  display: block;
}

.forum-sticker-btn--recent img {
  width: 32px;
  height: 32px;
}

.forum-sticker-btn--add {
  border: 2px dashed var(--forum-border);
  background: var(--forum-editor-bg, transparent);
  min-height: 68px;
}

.forum-sticker-btn--add:hover {
  border-color: var(--forum-accent);
  background: var(--forum-hover-bg, rgba(127, 127, 127, 0.08));
}

.forum-sticker-btn--add.is-loading {
  opacity: 0.5;
  pointer-events: none;
}

.forum-sticker-add-icon {
  font-size: 32px;
  line-height: 1;
  color: var(--forum-text-dim);
  font-weight: 300;
}

.forum-sticker-context-menu {
  position: fixed;
  z-index: 1200;
  min-width: 120px;
  padding: 4px;
  border-radius: 8px;
  border: 1px solid var(--forum-border);
  background: var(--forum-option-bg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.forum-sticker-context-menu button {
  display: block;
  width: 100%;
  border: none;
  background: transparent;
  text-align: left;
  padding: 8px 12px;
  font-size: 13px;
  color: #e74c3c;
  border-radius: 6px;
  cursor: pointer;
}

.forum-sticker-context-menu button:hover {
  background: var(--forum-hover-bg, rgba(127, 127, 127, 0.12));
}

.forum-custom-sticker-grid {
  padding-top: 4px;
}

.forum-sticker-loading,
.forum-sticker-empty {
  text-align: center;
  color: var(--forum-text-dim);
  font-size: 13px;
  padding: 40px 12px;
}

.forum-sticker-picker-tabs {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 4px;
  padding: 6px 10px;
  border-top: 1px solid var(--forum-border);
  background: var(--forum-editor-bg, var(--forum-option-bg));
}

.forum-sticker-tab {
  width: 40px;
  height: 36px;
  border: none;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.55;
  transition: background 0.15s, opacity 0.15s;
}

.forum-sticker-tab.is-active {
  opacity: 1;
  background: var(--forum-hover-bg, rgba(127, 127, 127, 0.15));
}

.forum-sticker-tab img {
  display: block;
}

.forum-quill-editor .ql-sticker::before,
.kb-edit-toolbar .ql-sticker::before {
  content: '😊';
  font-size: 16px;
  line-height: 1;
}

.forum-quill-editor .ql-textwrap::before,
.kb-edit-toolbar .ql-textwrap::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 14px;
  vertical-align: middle;
  background-color: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 14'%3E%3Cpath fill='%23000' d='M1 1h16v2H1zm0 5h9v2H1zm11 0h1.5L11 12l2.5 2H12v-2H9V6z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 14'%3E%3Cpath fill='%23000' d='M1 1h16v2H1zm0 5h9v2H1zm11 0h1.5L11 12l2.5 2H12v-2H9V6z'/%3E%3C/svg%3E") center / contain no-repeat;
}

.forum-quill-editor .ql-editor p[class*="forum-nowrap"],
.forum-quill-editor .ql-editor h1[class*="forum-nowrap"],
.forum-quill-editor .ql-editor h2[class*="forum-nowrap"],
.forum-quill-editor .ql-editor h3[class*="forum-nowrap"],
.post-detail-content p[class*="forum-nowrap"],
.post-detail-content h1[class*="forum-nowrap"],
.post-detail-content h2[class*="forum-nowrap"],
.post-detail-content h3[class*="forum-nowrap"],
.reply-content p[class*="forum-nowrap"],
.markdown-body p[class*="forum-nowrap"],
.markdown-body h1[class*="forum-nowrap"],
.markdown-body h2[class*="forum-nowrap"],
.markdown-body h3[class*="forum-nowrap"],
.kb-content p[class*="forum-nowrap"],
.kb-content h1[class*="forum-nowrap"],
.kb-content h2[class*="forum-nowrap"],
.kb-content h3[class*="forum-nowrap"] {
  white-space: nowrap;
}

.forum-quill-editor .ql-editor img.forum-sticker,
.post-detail-content img.forum-sticker,
.reply-content img.forum-sticker,
.markdown-body img.forum-sticker {
  width: 72px;
  height: 72px;
  object-fit: contain;
  margin: 4px auto;
}

.forum-quill-editor .ql-toolbar button.ql-sticker {
  width: 28px;
}

.forum-quill-editor .ql-editor.ql-blank::before {
  color: var(--forum-text-dim);
  font-style: normal;
}

.forum-quill-editor .ql-editor.ql-blank:focus::before {
  display: none;
}

.forum-quill-editor .ql-snow .ql-stroke {
  stroke: var(--forum-text-muted);
}

.forum-quill-editor .ql-snow .ql-fill {
  fill: var(--forum-text-muted);
}

.forum-quill-editor .ql-snow .ql-picker {
  color: var(--forum-text-muted);
}

.forum-quill-editor .ql-snow.ql-toolbar button {
  border-radius: 6px;
}

.forum-quill-editor .ql-snow.ql-toolbar button:hover,
.forum-quill-editor .ql-snow.ql-toolbar button.ql-active,
.forum-quill-editor .ql-snow .ql-toolbar button:hover,
.forum-quill-editor .ql-snow .ql-toolbar button.ql-active {
  color: var(--forum-accent-hover);
}

.forum-quill-editor .ql-snow.ql-toolbar button:hover .ql-stroke,
.forum-quill-editor .ql-snow.ql-toolbar button.ql-active .ql-stroke,
.forum-quill-editor .ql-snow .ql-toolbar button:hover .ql-stroke,
.forum-quill-editor .ql-snow .ql-toolbar button.ql-active .ql-stroke {
  stroke: var(--forum-accent-hover);
}

.forum-quill-editor .ql-snow.ql-toolbar button:hover .ql-fill,
.forum-quill-editor .ql-snow.ql-toolbar button.ql-active .ql-fill {
  fill: var(--forum-accent-hover);
}

/* Quill 2 用 data-label + ::before 显示选项，需 !important 覆盖 snow 主题默认 Normal */
.forum-quill-editor .ql-snow .ql-picker.ql-size .ql-picker-label::before,
.forum-quill-editor .ql-snow .ql-picker.ql-size .ql-picker-item::before,
.kb-edit-toolbar .ql-snow .ql-picker.ql-size .ql-picker-label::before,
.kb-edit-toolbar .ql-snow .ql-picker.ql-size .ql-picker-item::before {
  content: '字号' !important;
}

.forum-quill-editor .ql-snow .ql-picker.ql-size .ql-picker-label[data-value='12px']::before,
.forum-quill-editor .ql-snow .ql-picker.ql-size .ql-picker-item[data-value='12px']::before,
.kb-edit-toolbar .ql-snow .ql-picker.ql-size .ql-picker-label[data-value='12px']::before,
.kb-edit-toolbar .ql-snow .ql-picker.ql-size .ql-picker-item[data-value='12px']::before { content: '12px' !important; }
.forum-quill-editor .ql-snow .ql-picker.ql-size .ql-picker-label[data-value='14px']::before,
.forum-quill-editor .ql-snow .ql-picker.ql-size .ql-picker-item[data-value='14px']::before,
.kb-edit-toolbar .ql-snow .ql-picker.ql-size .ql-picker-label[data-value='14px']::before,
.kb-edit-toolbar .ql-snow .ql-picker.ql-size .ql-picker-item[data-value='14px']::before { content: '14px' !important; }
.forum-quill-editor .ql-snow .ql-picker.ql-size .ql-picker-label[data-value='15px']::before,
.forum-quill-editor .ql-snow .ql-picker.ql-size .ql-picker-item[data-value='15px']::before,
.kb-edit-toolbar .ql-snow .ql-picker.ql-size .ql-picker-label[data-value='15px']::before,
.kb-edit-toolbar .ql-snow .ql-picker.ql-size .ql-picker-item[data-value='15px']::before { content: '15px' !important; }
.forum-quill-editor .ql-snow .ql-picker.ql-size .ql-picker-label[data-value='16px']::before,
.forum-quill-editor .ql-snow .ql-picker.ql-size .ql-picker-item[data-value='16px']::before,
.kb-edit-toolbar .ql-snow .ql-picker.ql-size .ql-picker-label[data-value='16px']::before,
.kb-edit-toolbar .ql-snow .ql-picker.ql-size .ql-picker-item[data-value='16px']::before { content: '16px' !important; }
.forum-quill-editor .ql-snow .ql-picker.ql-size .ql-picker-label[data-value='18px']::before,
.forum-quill-editor .ql-snow .ql-picker.ql-size .ql-picker-item[data-value='18px']::before,
.kb-edit-toolbar .ql-snow .ql-picker.ql-size .ql-picker-label[data-value='18px']::before,
.kb-edit-toolbar .ql-snow .ql-picker.ql-size .ql-picker-item[data-value='18px']::before { content: '18px' !important; }
.forum-quill-editor .ql-snow .ql-picker.ql-size .ql-picker-label[data-value='20px']::before,
.forum-quill-editor .ql-snow .ql-picker.ql-size .ql-picker-item[data-value='20px']::before,
.kb-edit-toolbar .ql-snow .ql-picker.ql-size .ql-picker-label[data-value='20px']::before,
.kb-edit-toolbar .ql-snow .ql-picker.ql-size .ql-picker-item[data-value='20px']::before { content: '20px' !important; }
.forum-quill-editor .ql-snow .ql-picker.ql-size .ql-picker-label[data-value='24px']::before,
.forum-quill-editor .ql-snow .ql-picker.ql-size .ql-picker-item[data-value='24px']::before,
.kb-edit-toolbar .ql-snow .ql-picker.ql-size .ql-picker-label[data-value='24px']::before,
.kb-edit-toolbar .ql-snow .ql-picker.ql-size .ql-picker-item[data-value='24px']::before { content: '24px' !important; }

.forum-quill-editor .ql-picker.ql-color .ql-picker-label svg,
.kb-edit-toolbar .ql-picker.ql-color .ql-picker-label svg {
  display: none;
}

.forum-quill-editor .ql-picker.ql-color .ql-picker-label::before,
.kb-edit-toolbar .ql-picker.ql-color .ql-picker-label::before {
  content: 'A';
  font-weight: 700;
  font-size: 15px;
  color: var(--forum-text);
  border-bottom: 3px solid var(--forum-accent);
  line-height: 1;
  padding-bottom: 1px;
}

.forum-quill-editor .ql-picker.ql-expanded .ql-picker-options,
.kb-edit-toolbar .ql-picker.ql-expanded .ql-picker-options {
  z-index: 20;
}

.forum-quill-editor--compact .forum-quill-root {
  min-height: 120px !important;
}

.forum-quill-editor .ql-editor img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 8px auto;
  border-radius: 8px;
}

.post-detail-content img,
.reply-content img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 8px auto;
}

.hint {
  font-weight: normal;
  font-size: 12px;
  color: var(--forum-text-dim);
}

/* ===== 分页 ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 20px 0;
}

.pagination .page-btn {
  padding: 6px 14px;
  border: 1px solid var(--forum-border);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.2);
  color: var(--forum-text-muted);
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
}

.pagination .page-btn:hover {
  border-color: var(--forum-accent);
  color: var(--forum-accent-hover);
}

.pagination .page-btn.active {
  background: var(--forum-accent);
  border-color: var(--forum-accent);
  color: #fff;
}

.pagination .page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ===== 加载动画 ===== */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--forum-text-dim);
}

.loading::after {
  content: '...';
  animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
  0%, 20% { content: '.'; }
  40% { content: '..'; }
  60%, 100% { content: '...'; }
}

/* ===== 居中确认弹窗 ===== */
.forum-confirm-dialog {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.45);
}

.forum-confirm-card {
  width: min(92vw, 420px);
  border: 1px solid var(--forum-border);
  border-radius: 12px;
  background: var(--forum-option-bg);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
  padding: 22px 20px 18px;
}

/* 统一对话框卡片：支持自定义宽度 */
.forum-dialog-card {
  width: min(92vw, var(--forum-dialog-width, 420px));
}

.forum-confirm-message {
  font-size: 15px;
  line-height: 1.6;
  color: var(--forum-text);
}

.forum-confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}

/* 表格页会加载 Luckysheet 自带的 Bootstrap 全局 .btn 样式，
   这里提高优先级，保证确认弹窗按钮在所有页面观感一致 */
.forum-confirm-dialog .btn,
.forum-link-dialog .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
  box-shadow: none;
  background-image: none;
  text-transform: none;
}

.forum-confirm-dialog .btn-outline,
.forum-link-dialog .btn-outline {
  background: transparent;
  border-color: var(--forum-border);
  color: var(--forum-text-muted);
}

.forum-confirm-dialog .btn-outline:hover,
.forum-link-dialog .btn-outline:hover {
  background: var(--forum-surface-raised);
  border-color: var(--forum-accent);
  color: var(--forum-text-strong);
}

.forum-confirm-dialog .btn-primary,
.forum-link-dialog .btn-primary {
  background: var(--forum-accent);
  border-color: var(--forum-accent);
  color: #fff;
}

.forum-confirm-dialog .btn-primary:hover,
.forum-link-dialog .btn-primary:hover {
  background: var(--forum-accent-hover);
  border-color: var(--forum-accent-hover);
  color: #fff;
}

.forum-confirm-dialog .btn-danger,
.forum-link-dialog .btn-danger {
  background: var(--forum-danger);
  border-color: var(--forum-danger);
  color: #fff;
}

.forum-confirm-dialog .btn-danger:hover,
.forum-link-dialog .btn-danger:hover {
  background: #e0352b;
  border-color: #e0352b;
  color: #fff;
}

.forum-confirm-dialog .btn:focus,
.forum-link-dialog .btn:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--forum-accent-soft);
}

/* ===== 消息提示 ===== */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 12px 24px;
  border-radius: 8px;
  color: #fff;
  font-size: 14px;
  z-index: 1000;
  animation: slideIn 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.toast.success { background: var(--forum-success); }
.toast.error { background: var(--forum-danger); }
.toast.info { background: var(--forum-accent); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ===== 备案信息 ===== */
.site-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  padding: 32px 24px;
  color: var(--forum-text-dim);
  font-size: 13px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--forum-border);
}

.site-footer a {
  color: var(--forum-text-dim);
  transition: color 0.2s;
}

.site-footer a:hover {
  color: var(--forum-accent-hover);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  body:not(.login-page) .main-wrapper {
    padding-top: 56px;
  }

  .forum-header-search {
    width: 120px;
    min-width: 80px;
  }

  .forum-header-tail {
    gap: 8px;
  }

  .forum-layout {
    flex-direction: column;
    gap: 12px;
  }

  .forum-sidebar {
    width: 100%;
    position: static;
  }

  .category-rail {
    flex-direction: row;
    overflow-x: auto;
    gap: 10px;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    justify-content: flex-start;
  }

  .category-rail-item {
    flex: 0 0 44px;
  }

  .category-rail-item .rail-icon-img {
    width: 20px;
    height: 20px;
  }

  .category-rail-item::after {
    left: 50%;
    right: auto;
    top: auto;
    bottom: calc(100% + 8px);
    transform: translateX(-50%);
  }

  .forum-posts-header {
    padding: 10px 14px;
  }

  .forum-post-search {
    width: 180px;
    max-width: 52vw;
  }

  .forum-posts-body {
    padding: 8px 14px 16px;
  }

  .forum-header .forum-user-link .username {
    display: none;
  }

  .forum-nav-unread-badge {
    right: -10px;
    top: -6px;
  }

  .messages-layout {
    grid-template-columns: 1fr;
  }

  .messages-sidebar {
    grid-auto-flow: column;
    grid-auto-columns: minmax(120px, 1fr);
    overflow-x: auto;
    white-space: nowrap;
  }

  .messages-chat-list {
    max-height: 46vh;
  }

  .messages-chat-bubble {
    max-width: 88%;
  }

  .messages-new-dialog {
    width: min(94vw, 760px);
    padding: 16px;
  }

  .messages-new-title {
    font-size: 18px;
    margin-bottom: 10px;
  }

  .messages-new-body {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .messages-new-pane-right {
    border-left: none;
    border-top: 1px solid var(--forum-border);
  }

  .messages-new-results,
  .messages-new-selected-list {
    max-height: 180px;
  }

  body.chat-page .main-wrapper {
    min-height: calc(100vh - 56px);
  }

  body.chat-page .container-messages {
    height: calc(100vh - 56px);
    margin: 0 auto;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  body.chat-page .messages-layout {
    grid-template-columns: 1fr;
  }

  body.chat-page .messages-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--forum-border);
    max-height: 32vh;
  }

  body.chat-page .messages-chat-list {
    max-height: none;
  }

  body.chat-page .messages-chat-bubble {
    max-width: 88%;
  }

  body.chat-page .messages-chat-compose {
    height: 150px;
  }

  .container { padding: 0 16px; margin: 16px auto; }
  .card-body { padding: 16px; }
  .card-header { padding: 14px 16px; flex-wrap: wrap; gap: 8px; }
  .login-page .auth-form.card {
    width: 100%;
  }
  .login-page .main-wrapper > .container {
    padding-top: 22vh;
  }
  .auth-form .card-body { padding: 24px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .breadcrumb .current { max-width: 150px; }
  .admin-table { font-size: 12px; }
  .admin-table th, .admin-table td { padding: 10px 8px; }
  .site-footer { padding: 24px 16px; }
}

/* ===== 知识库 ===== */
.page-hero-desc {
  color: var(--forum-text-dim);
  font-size: 15px;
}

.kb-content {
  line-height: 1.8;
}

/* ===== 员工资料页 ===== */
.profile-header-inner {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.profile-info {
  flex: 1;
  min-width: 0;
}

.profile-name {
  font-size: 26px;
  margin-bottom: 4px;
  color: var(--forum-text);
}

.profile-username {
  color: var(--forum-text-dim);
  font-size: 14px;
  margin-bottom: 12px;
}

.profile-role {
  color: var(--forum-text-muted);
  font-size: 14px;
  margin-bottom: 10px;
}

.profile-tenure-inline {
  margin-left: 8px;
  color: var(--forum-text-dim);
  font-size: 13px;
}

.profile-signature {
  color: var(--forum-text-muted);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 12px;
}

.profile-signature-empty {
  font-style: italic;
  color: var(--forum-text-dim);
}

.profile-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.profile-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.profile-birthday {
  color: var(--forum-text-dim);
  font-size: 14px;
}

.profile-works-card {
  margin-top: 24px;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.portfolio-item {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--forum-border);
  background: var(--forum-bg);
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.portfolio-item:hover img {
  transform: scale(1.05);
}

.portfolio-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 50%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 12px;
  opacity: 0;
  transition: opacity 0.25s;
}

.portfolio-item:hover .portfolio-item-overlay {
  opacity: 1;
}

.portfolio-item-title {
  color: #fff;
  font-weight: 600;
  font-size: 14px;
}

.portfolio-item-project {
  color: rgba(255,255,255,0.75);
  font-size: 12px;
  margin-top: 2px;
}

/* ===== 灯箱 ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.lightbox-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  text-align: center;
}

.lightbox-inner img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 8px;
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: #fff;
  font-size: 32px;
  cursor: pointer;
  line-height: 1;
}

.lightbox-caption {
  color: rgba(255,255,255,0.85);
  margin-top: 12px;
  font-size: 14px;
  white-space: pre-line;
}

/* ===== 上传区 ===== */
.upload-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 32px;
  border: 2px dashed var(--forum-border);
  border-radius: 10px;
  cursor: pointer;
  text-align: center;
  color: var(--forum-text-dim);
  transition: border-color 0.2s, background 0.2s;
}

.upload-zone:hover {
  border-color: var(--corp-accent);
  background: var(--forum-bg);
}

.upload-zone-sm {
  padding: 12px 20px;
  display: inline-flex;
}

.upload-preview {
  max-width: 100%;
  max-height: 200px;
  border-radius: 8px;
  margin-top: 8px;
}

.avatar-upload-row {
  display: flex;
  align-items: center;
  gap: 20px;
}

.works-manage-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 8px;
}

.work-manage-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px;
  border: 1px solid var(--forum-border);
  border-radius: 8px;
}

.work-manage-item img {
  width: 64px;
  height: 48px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
}

.work-manage-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.section-divider {
  border: none;
  border-top: 1px solid var(--forum-border);
  margin: 24px 0;
}

.subsection-title {
  font-size: 16px;
  margin-bottom: 16px;
  color: var(--forum-text);
}

@media (max-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

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

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

/* 回到顶部悬浮按钮：默认隐藏，滚动超阈值后由 JS 加 .is-visible 显示 */
.forum-back-to-top {
  position: fixed;
  right: 28px;
  bottom: 32px;
  z-index: 60;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--forum-border);
  background: var(--forum-surface, var(--forum-bg));
  color: var(--forum-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
}

.forum-back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.forum-back-to-top:hover {
  color: var(--forum-accent-hover);
  border-color: var(--forum-accent-hover);
}