/* ============================================================
   🧊 Forumlify —— 液态/磨砂玻璃风格（冰川蓝主题）
   支持亮色/暗色模式 + 管理后台侧边栏 + 滑动Tab
   ============================================================ */

/* ===== 亮色模式 ===== */
:root {
  /* ===== 主题色（冰川蓝） ===== */
  --primary: #5b9bd5;
  --primary-hover: #4a8ac4;
  --primary-light: #9ac2e8;
  --primary-glow: rgba(91, 155, 213, 0.25);

  /* ===== 磨砂玻璃颜色 - 亮色 ===== */
  --glass-bg: rgba(255, 255, 255, 0.18);
  --glass-border: rgba(255, 255, 255, 0.30);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  --glass-text: #1a1a2e;
  --glass-text-secondary: #4a4a6a;
  --glass-text-light: #7a7a9a;

  /* ===== 背景渐变 - 亮色 ===== */
  --bg-start: #dfe6e9;
  --bg-end: #b2bec3;

  /* ===== 圆角（改小） ===== */
  --radius: 10px;
  --radius-sm: 6px;

  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --nav-height: 64px;
}

/* ===== 暗色模式 ===== */
[data-theme="dark"] {
  /* ===== 主题色（冰川蓝 - 暗色） ===== */
  --primary: #7cb8f0;
  --primary-hover: #8cc8ff;
  --primary-light: #b0d8ff;
  --primary-glow: rgba(91, 155, 213, 0.4);

  /* ===== 磨砂玻璃颜色 - 暗色 ===== */
  --glass-bg: rgba(30, 30, 50, 0.35);
  --glass-border: rgba(255, 255, 255, 0.10);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --glass-text: #e8e8f0;
  --glass-text-secondary: #a0a0b8;
  --glass-text-light: #707090;

  /* ===== 背景渐变 - 暗色 ===== */
  --bg-start: #0f0f1a;
  --bg-end: #1a1a2e;

  /* ===== 圆角（改小） ===== */
  --radius: 10px;
  --radius-sm: 6px;
}

/* ===== 全局基础 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  background: linear-gradient(145deg, var(--bg-start) 0%, var(--bg-end) 100%);
  background-attachment: fixed;
  color: var(--glass-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background 0.5s ease, color 0.3s ease;
}

/* ===== SVG 图标 ===== */
svg {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
  color: var(--glass-text-secondary);
}

/* ===== 按钮 ===== */
.btn-primary {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--glass-text);
  border: 1px solid var(--glass-border);
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--glass-shadow);
}
.btn-primary:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--glass-text-secondary);
  border: 1px solid var(--glass-border);
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--glass-text);
}

.btn-sm {
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  transition: all var(--transition);
}
.btn-sm:hover {
  transform: translateY(-1px);
}

.btn-danger {
  background: #ef4444;
  color: #fff;
}
.btn-danger:hover {
  background: #dc2626;
}

.btn-success {
  background: #22c55e;
  color: #fff;
}
.btn-success:hover {
  background: #16a34a;
}

.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  color: var(--glass-text-secondary);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--glass-text);
}

/* ===== 导航栏 ===== */
#navbar {
  height: var(--nav-height);
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--glass-shadow);
  transition: all 0.3s ease;
}

.nav-left {
  display: flex;
  align-items: center;
}
.forum-name {
  font-weight: 700;
  font-size: 20px;
  color: var(--glass-text);
  cursor: pointer;
  letter-spacing: -0.02em;
  transition: opacity var(--transition);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}
.forum-name:hover {
  opacity: 0.8;
}

.nav-right {
  display: flex;
  align-items: center;
}
#authButtons {
  display: flex;
  gap: 8px;
  align-items: center;
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--glass-border);
  transition: all var(--transition);
  object-fit: cover;
}
.avatar:hover {
  border-color: var(--primary);
  transform: scale(1.05);
}

#userDropdown {
  display: flex;
  align-items: center;
  gap: 4px;
  position: relative;
}

.dropdown-menu {
  display: none;
  position: absolute;
  right: 0;
  top: 44px;
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
  min-width: 180px;
  padding: 6px 0;
  z-index: 200;
  overflow: hidden;
}
.dropdown-menu.show {
  display: block;
  animation: dropdownFade 0.15s ease-out;
}
@keyframes dropdownFade {
  from {
    opacity: 0;
    transform: translateY(-6px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
.dropdown-menu a {
  display: block;
  padding: 10px 18px;
  color: var(--glass-text);
  text-decoration: none;
  font-size: 14px;
  transition: background var(--transition);
}
.dropdown-menu a:hover {
  background: rgba(255, 255, 255, 0.15);
}
.dropdown-menu a svg {
  margin-right: 8px;
}
.dropdown-menu hr {
  border: none;
  border-top: 1px solid var(--glass-border);
  margin: 4px 8px;
}

.nav-icon-btn {
  padding: 6px 8px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--glass-text-secondary);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.nav-icon-btn:hover {
  color: var(--glass-text);
  background: rgba(255, 255, 255, 0.15);
}

/* ===== 主布局 ===== */
#app {
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 32px 40px;
  gap: 28px;
  min-height: calc(100vh - var(--nav-height));
}

/* ===== 侧边栏 ===== */
#sidebar {
  width: 240px;
  flex-shrink: 0;
}
.stats-box,
.links-box {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 16px;
  box-shadow: var(--glass-shadow);
  transition: all var(--transition);
}
.stats-box:hover,
.links-box:hover {
  background: rgba(255, 255, 255, 0.25);
}
.stats-box h4,
.links-box h4 {
  font-size: 12px;
  font-weight: 600;
  color: var(--glass-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.stats-box h4 svg,
.links-box h4 svg {
  margin-right: 6px;
  color: var(--primary);
}
.stat-item {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  padding: 5px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.stat-item:last-child {
  border-bottom: none;
}
.stat-item span:first-child {
  color: var(--glass-text-secondary);
}
.stat-item span:last-child {
  font-weight: 600;
  color: var(--glass-text);
}

.links-box ul {
  list-style: none;
}
.links-box li {
  padding: 4px 0;
}
.links-box li a {
  color: var(--primary);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--transition);
}
.links-box li a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* ===== 帖子流 ===== */
#feed {
  flex: 1;
  min-width: 0;
}

.feed-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 10px;
}

/* ===== 滑动切换 Tab（纯 CSS，无需 JS） ===== */
.feed-header-left {
  display: flex;
  gap: 4px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  position: relative;
}

/* 滑块 */
.feed-header-left::after {
  content: '';
  position: absolute;
  top: 4px;
  left: 4px;
  width: calc(50% - 4px);
  height: calc(100% - 8px);
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: calc(var(--radius-sm) - 2px);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  z-index: 0;
  pointer-events: none;
}

/* 当第二个 tab 激活时，滑块右移 */
.feed-header-left:has(.tab:nth-child(2).active)::after {
  transform: translateX(100%);
}

.tab {
  position: relative;
  z-index: 1;
  background: transparent;
  border: none;
  padding: 6px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--glass-text-secondary);
  cursor: pointer;
  border-radius: calc(var(--radius-sm) - 2px);
  transition: color 0.3s ease;
  flex: 1;
  text-align: center;
}
.tab:hover {
  color: var(--glass-text);
}
.tab.active {
  color: var(--glass-text);
  background: transparent !important;
  box-shadow: none !important;
}

.fab-btn {
  padding: 8px 22px;
  font-size: 14px;
  font-weight: 500;
}
.fab-btn svg {
  margin-right: 6px;
}

/* ===== 帖子卡片 ===== */
.post-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 12px;
  transition: all var(--transition);
  cursor: pointer;
  box-shadow: var(--glass-shadow);
}
.post-card:hover {
  background: rgba(255, 255, 255, 0.28);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.10);
}

.post-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.post-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--glass-border);
}
.post-username {
  font-weight: 600;
  font-size: 14px;
  color: var(--glass-text);
}
.post-time {
  font-size: 12px;
  color: var(--glass-text-light);
  margin-left: auto;
}

.post-title {
  font-size: 17px;
  font-weight: 700;
  margin: 6px 0 8px;
  color: var(--glass-text);
  line-height: 1.4;
  letter-spacing: -0.01em;
}
.post-content {
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 10px;
  word-break: break-word;
  color: var(--glass-text-secondary);
}
.post-images {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}
.post-image {
  max-width: 200px;
  max-height: 160px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  object-fit: cover;
  transition: transform var(--transition);
}
.post-image:hover {
  transform: scale(1.02);
}
.post-actions {
  display: flex;
  gap: 18px;
  font-size: 13px;
  color: var(--glass-text-secondary);
  align-items: center;
  padding-top: 8px;
  border-top: 1px solid var(--glass-border);
}
.post-actions svg {
  margin-right: 2px;
}
.post-actions button {
  background: none;
  border: none;
  color: var(--glass-text-secondary);
  cursor: pointer;
  font-size: 13px;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.post-actions button:hover {
  color: var(--primary);
  background: rgba(255, 255, 255, 0.15);
}
.post-actions .action-delete:hover {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.15);
}

/* ===== 模态框 ===== */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
  z-index: 999;
}
.modal.active {
  display: flex;
  animation: modalFade 0.2s ease-out;
}
@keyframes modalFade {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
.modal-content {
  background: var(--glass-bg);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 32px 36px;
  max-width: 420px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.2);
}
.modal-content .close {
  position: absolute;
  top: 14px;
  right: 18px;
  cursor: pointer;
  color: var(--glass-text-secondary);
  transition: color var(--transition);
  line-height: 1;
  background: none;
  border: none;
}
.modal-content .close:hover {
  color: var(--glass-text);
}
.modal-content .close svg {
  display: block;
}
.modal-content h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--glass-text);
  margin-bottom: 20px;
}
.modal-content h2 svg {
  margin-right: 8px;
  color: var(--primary);
}
.modal-content input,
.modal-content textarea,
.modal-content select {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--glass-text);
  margin-bottom: 12px;
  font-family: inherit;
  transition: all var(--transition);
}
.modal-content input:focus,
.modal-content textarea:focus,
.modal-content select:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.25);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
.modal-content textarea {
  resize: vertical;
}
.modal-content input::placeholder,
.modal-content textarea::placeholder {
  color: var(--glass-text-light);
}

.captcha-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.captcha-row span {
  background: rgba(255, 255, 255, 0.15);
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  user-select: none;
  transition: background var(--transition);
}
.captcha-row span:hover {
  background: rgba(255, 255, 255, 0.3);
}
.captcha-row input {
  width: 80px;
  margin-bottom: 0;
}

/* ============================================================
   个人设置页面 —— 卡片和输入框
   ============================================================ */

/* 设置页面卡片 */
#pageSettings .settings-card,
#pageSettings > div > div,
#pageSettings [style*="background:var(--surface)"] {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(16px) !important;
  -webkit-backdrop-filter: blur(16px) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius) !important;
  box-shadow: var(--glass-shadow) !important;
  transition: all var(--transition) !important;
}

/* 设置页面输入框 */
#pageSettings input,
#pageSettings textarea,
#pageSettings select {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.12) !important;
  backdrop-filter: blur(8px) !important;
  -webkit-backdrop-filter: blur(8px) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-sm) !important;
  font-size: 14px;
  color: var(--glass-text) !important;
  font-family: inherit;
  transition: all var(--transition) !important;
}
#pageSettings input:focus,
#pageSettings textarea:focus,
#pageSettings select:focus {
  outline: none !important;
  background: rgba(255, 255, 255, 0.25) !important;
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px var(--primary-glow) !important;
}
#pageSettings input::placeholder,
#pageSettings textarea::placeholder {
  color: var(--glass-text-light) !important;
}
#pageSettings textarea {
  resize: vertical;
}

/* 设置页面按钮（覆盖 .btn-secondary） */
#pageSettings .btn-secondary {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(8px) !important;
  -webkit-backdrop-filter: blur(8px) !important;
  border: 1px solid var(--glass-border) !important;
  color: var(--glass-text-secondary) !important;
}
#pageSettings .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2) !important;
  color: var(--glass-text) !important;
}

/* 设置页面的头像预览 */
#pageSettings img[style*="border-radius:50%"] {
  border: 3px solid var(--glass-border) !important;
}

/* 设置页面的统计标签 */
#pageSettings .settings-stat {
  color: var(--glass-text-secondary) !important;
}

/* ============================================================
   发帖页面输入框
   ============================================================ */

#pageNew input,
#pageNew textarea {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--glass-text);
  font-family: inherit;
  transition: all var(--transition);
}
#pageNew input:focus,
#pageNew textarea:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.25);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
#pageNew input::placeholder,
#pageNew textarea::placeholder {
  color: var(--glass-text-light);
}
#pageNew textarea {
  resize: vertical;
}

/* ===== 独立页面（滑入） ===== */
.page-slide {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-start);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 50;
  padding: 84px 32px 40px;
  overflow-y: auto;
  transition: background 0.3s ease;
}
.page-slide.active {
  display: block;
  animation: slideIn 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes slideIn {
  from {
    transform: translateX(40px);
    opacity: 0.6;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}
.page-slide.slide-out {
  animation: slideOut 0.25s cubic-bezier(0.55, 0, 1, 0.45) forwards;
}
@keyframes slideOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(-40px);
    opacity: 0.5;
  }
}

.page-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--glass-border);
}
.page-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--glass-text);
}
.page-header h2 svg {
  margin-right: 10px;
  color: var(--primary);
}
.back-btn {
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  color: var(--glass-text-secondary);
  cursor: pointer;
  font-size: 14px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  font-weight: 500;
}
.back-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--glass-text);
}
.back-btn svg {
  margin-right: 6px;
}

/* ===== 帖子详情页 ===== */
#pagePost .post-detail-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: var(--glass-shadow);
}
#pagePost .post-detail-card .post-content {
  font-size: 16px;
  line-height: 1.8;
}
#pagePost .post-detail-card .post-title {
  font-size: 22px;
}

#repliesList {
  margin-top: 4px;
}

.reply-item {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 10px;
  transition: all var(--transition);
  box-shadow: var(--glass-shadow);
}
.reply-item:hover {
  background: rgba(255, 255, 255, 0.25);
}

.reply-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.reply-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--glass-border);
}
.reply-username {
  font-weight: 600;
  font-size: 13px;
  color: var(--glass-text);
}
.reply-time {
  font-size: 12px;
  color: var(--glass-text-light);
  margin-left: auto;
}
.reply-content {
  font-size: 14px;
  line-height: 1.7;
  padding-left: 38px;
  word-break: break-word;
  color: var(--glass-text-secondary);
}

#replyArea {
  max-width: 700px;
  margin-top: 28px;
  border-top: 1px solid var(--glass-border);
  padding-top: 24px;
}
#replyArea h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--glass-text);
}
#replyArea h3 svg {
  margin-right: 6px;
  color: var(--primary);
}
#replyArea textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
  color: var(--glass-text);
  transition: all var(--transition);
}
#replyArea textarea:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
#replyArea textarea::placeholder {
  color: var(--glass-text-light);
}

/* ============================================================
   管理后台 —— 侧边栏布局（磨砂玻璃风格）
   ============================================================ */

.admin-layout {
  display: flex;
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: flex-start;
  padding-top: 12px;
}

.admin-sidebar {
  width: 200px;
  flex-shrink: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 8px 0;
  box-shadow: var(--glass-shadow);
  position: sticky;
  top: 84px;
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  color: var(--glass-text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
  border-left: 3px solid transparent;
  cursor: pointer;
}
.admin-nav-item:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--glass-text);
}
.admin-nav-item.active {
  background: rgba(255, 255, 255, 0.2);
  color: var(--primary);
  border-left-color: var(--primary);
}
.admin-nav-item .nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  flex-shrink: 0;
}
.admin-nav-item .nav-icon svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
}

.admin-content {
  flex: 1;
  min-width: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--glass-shadow);
}

/* ===== 移动端适配：底部导航栏（磨砂玻璃风格） ===== */
@media (max-width: 768px) {
  .admin-layout {
    flex-direction: column;
    padding-bottom: 70px;
  }

  .admin-sidebar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    padding: 4px 0 env(safe-area-inset-bottom, 8px) 0;
    z-index: 60;
    display: flex;
    flex-direction: row !important;
    justify-content: space-around;
    flex-wrap: nowrap;
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.08);
    border: none;
    border-radius: 0;
    top: auto;
    position: fixed;
  }

  .admin-nav {
    display: flex;
    width: 100%;
    justify-content: space-around;
  }

  .admin-nav-item {
    flex-direction: column;
    gap: 2px;
    padding: 6px 8px;
    font-size: 10px;
    border: none !important;
    background: transparent !important;
    color: var(--glass-text-secondary);
    border-radius: 0;
    align-items: center;
    text-align: center;
    flex: 1;
    border-left: none !important;
  }

  .admin-nav-item .nav-icon {
    font-size: 20px;
    width: auto;
    display: flex;
    justify-content: center;
  }

  .admin-nav-item .nav-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--glass-text-secondary);
    transition: stroke 0.2s;
  }

  .admin-nav-item.active {
    color: var(--primary);
    background: transparent !important;
    border-bottom: none !important;
    border-left: none !important;
  }

  .admin-nav-item.active .nav-icon svg {
    stroke: var(--primary);
  }

  .admin-content {
    padding: 16px 16px 80px 16px;
  }

  .admin-sidebar .admin-nav-item {
    border: none !important;
  }
}

@media (max-width: 480px) {
  .admin-nav-item {
    font-size: 9px;
    padding: 4px 4px;
  }
  .admin-nav-item .nav-icon svg {
    width: 20px;
    height: 20px;
  }
}

/* ============================================================
   旧有管理后台样式（兼容）
   ============================================================ */

.admin-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 14px;
  flex-wrap: wrap;
}
.admin-tab {
  padding: 6px 18px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--glass-text-secondary);
  transition: all var(--transition);
}
.admin-tab:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--glass-text);
}
.admin-tab.active {
  background: rgba(255, 255, 255, 0.3);
  color: var(--glass-text);
  border-color: var(--primary);
  box-shadow: 0 2px 8px var(--primary-glow);
}
.admin-tab svg {
  margin-right: 6px;
}

.report-item {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 10px;
  box-shadow: var(--glass-shadow);
  transition: all var(--transition);
}
.report-item:hover {
  background: rgba(255, 255, 255, 0.25);
}
.report-item .report-actions {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

#adminContent table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--glass-shadow);
}
#adminContent th {
  text-align: left;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.1);
  font-weight: 600;
  color: var(--glass-text-secondary);
  border-bottom: 1px solid var(--glass-border);
}
#adminContent td {
  padding: 10px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--glass-text);
}
#adminContent tr:last-child td {
  border-bottom: none;
}
#adminContent tr:hover td {
  background: rgba(255, 255, 255, 0.05);
}

/* ===== 自定义页面容器 ===== */
#customPageContainer {
  display: none;
}

/* ===== 响应式（保持原有） ===== */
@media (max-width: 768px) {
  #sidebar {
    display: none;
  }
  #app {
    padding: 16px;
  }
  #navbar {
    padding: 0 16px;
  }
  .modal-content {
    padding: 24px 20px;
  }
  .feed-header {
    flex-direction: column;
    align-items: stretch;
  }
  .feed-header-left {
    display: flex;
    gap: 4px;
  }
  .tab {
    flex: 1;
    text-align: center;
    padding: 6px 12px;
    font-size: 13px;
  }
  .fab-btn {
    width: 100%;
    justify-content: center;
  }
  .post-card {
    padding: 14px 16px;
  }
  .post-image {
    max-width: 120px;
    max-height: 100px;
  }
  .page-slide {
    padding: 80px 16px 20px;
  }
  .post-detail-card {
    padding: 16px !important;
  }
  .reply-content {
    padding-left: 0;
  }
  .reply-header .reply-time {
    font-size: 10px;
  }
  .page-header h2 {
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  .forum-name {
    font-size: 17px;
  }
  .btn-primary,
  .btn-ghost {
    padding: 6px 14px;
    font-size: 13px;
  }
  .modal-content {
    padding: 20px 16px;
  }
  .post-actions {
    gap: 12px;
    font-size: 12px;
    flex-wrap: wrap;
  }
  #customNavLinks a {
    font-size: 12px !important;
    padding: 2px 6px !important;
  }
}

/* ===== 暗色模式下的特殊修复 ===== */
[data-theme="dark"] .modal-content input,
[data-theme="dark"] .modal-content textarea,
[data-theme="dark"] .modal-content select {
  background: rgba(255, 255, 255, 0.06);
}
[data-theme="dark"] .modal-content input:focus,
[data-theme="dark"] .modal-content textarea:focus,
[data-theme="dark"] .modal-content select:focus {
  background: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .post-card {
  background: var(--glass-bg);
}
[data-theme="dark"] .post-card:hover {
  background: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .stats-box,
[data-theme="dark"] .links-box {
  background: var(--glass-bg);
}
[data-theme="dark"] .stats-box:hover,
[data-theme="dark"] .links-box:hover {
  background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .reply-item {
  background: var(--glass-bg);
}
[data-theme="dark"] .reply-item:hover {
  background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .dropdown-menu {
  background: var(--glass-bg);
}
[data-theme="dark"] .dropdown-menu a:hover {
  background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .tab.active {
  color: #fff;
}

[data-theme="dark"] .admin-tab {
  background: var(--glass-bg);
}
[data-theme="dark"] .admin-tab:hover {
  background: rgba(255, 255, 255, 0.08);
}
[data-theme="dark"] .admin-tab.active {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

[data-theme="dark"] #adminContent table {
  background: var(--glass-bg);
}
[data-theme="dark"] #adminContent th {
  background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] #navbar {
  background: var(--glass-bg);
}

[data-theme="dark"] .page-slide {
  background: rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] #replyArea textarea {
  background: rgba(255, 255, 255, 0.06);
}
[data-theme="dark"] #replyArea textarea:focus {
  background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .btn-ghost {
  background: rgba(255, 255, 255, 0.05);
}
[data-theme="dark"] .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .captcha-row span {
  background: rgba(255, 255, 255, 0.08);
}
[data-theme="dark"] .captcha-row span:hover {
  background: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .btn-secondary {
  background: var(--glass-bg);
}
[data-theme="dark"] .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .post-card .post-actions button:hover {
  background: rgba(255, 255, 255, 0.08);
}
[data-theme="dark"] .post-card .post-actions .action-delete:hover {
  background: rgba(239, 68, 68, 0.2);
}

[data-theme="dark"] .report-item {
  background: var(--glass-bg);
}
[data-theme="dark"] .report-item:hover {
  background: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .modal-content {
  background: var(--glass-bg);
}

[data-theme="dark"] .admin-sidebar {
  background: var(--glass-bg);
  border-color: var(--glass-border);
}
[data-theme="dark"] .admin-nav-item:hover {
  background: rgba(255, 255, 255, 0.08);
}
[data-theme="dark"] .admin-nav-item.active {
  background: rgba(255, 255, 255, 0.12);
  color: var(--primary);
}
[data-theme="dark"] .admin-nav-item .nav-icon svg {
  stroke: var(--glass-text-secondary);
}
[data-theme="dark"] .admin-nav-item.active .nav-icon svg {
  stroke: var(--primary);
}
[data-theme="dark"] .admin-content {
  background: var(--glass-bg);
  border-color: var(--glass-border);
}
[data-theme="dark"] .admin-sidebar {
  border: 1px solid var(--glass-border);
}

[data-theme="dark"] .feed-header-left::after {
  background: rgba(255, 255, 255, 0.08);
}

/* ============================================================
   暗色模式 - 设置页面修复
   ============================================================ */
[data-theme="dark"] #pageSettings .settings-card,
[data-theme="dark"] #pageSettings > div > div,
[data-theme="dark"] #pageSettings [style*="background:var(--surface)"] {
  background: var(--glass-bg) !important;
  border-color: var(--glass-border) !important;
}

[data-theme="dark"] #pageSettings input,
[data-theme="dark"] #pageSettings textarea,
[data-theme="dark"] #pageSettings select {
  background: rgba(255, 255, 255, 0.06) !important;
  color: var(--glass-text) !important;
  border-color: var(--glass-border) !important;
}
[data-theme="dark"] #pageSettings input:focus,
[data-theme="dark"] #pageSettings textarea:focus,
[data-theme="dark"] #pageSettings select:focus {
  background: rgba(255, 255, 255, 0.12) !important;
  border-color: var(--primary) !important;
}

/* ============================================================
   💬 私信模态框 —— 亮色模式修复
   ============================================================ */

/* 亮色模式下私信列表模态框 + 聊天模态框 */
[data-theme="light"] #messageListModal .modal-content,
[data-theme="light"] #chatModal .modal-content {
  background: #ffffff !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  border: 1px solid #e9edf4 !important;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.12) !important;
}

/* 亮色模式下的关闭按钮 */
[data-theme="light"] #messageListModal .modal-content .close,
[data-theme="light"] #chatModal .modal-content .close {
  color: #4a4a6a !important;
}
[data-theme="light"] #messageListModal .modal-content .close:hover,
[data-theme="light"] #chatModal .modal-content .close:hover {
  color: #1a1a2e !important;
}

/* 亮色模式下的标题 */
[data-theme="light"] #messageListModal .modal-content h2,
[data-theme="light"] #chatModal .modal-content h2 {
  color: #1a1a2e !important;
}

/* 亮色模式下的私信列表项 */
[data-theme="light"] #messageListContent .message-list-item {
  background: #f6f8fc !important;
  border-bottom: 1px solid #e9edf4 !important;
}
[data-theme="light"] #messageListContent .message-list-item:hover {
  background: #eef2ff !important;
}

/* 亮色模式下的聊天消息容器 */
[data-theme="light"] #chatMessages {
  background: #f6f8fc !important;
  border-radius: 8px;
}

/* 亮色模式下的聊天输入框 */
[data-theme="light"] #chatInput {
  background: #ffffff !important;
  border: 1px solid #e9edf4 !important;
  color: #1a1a2e !important;
}
[data-theme="light"] #chatInput:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px var(--primary-glow) !important;
}
[data-theme="light"] #chatInput::placeholder {
  color: #8a8aaa !important;
}

/* 暗色模式保持原样（不覆盖） */

/* ============================================================
   ⚠️ 自定义 CSS 警告模态框 —— 亮色模式文字修复
   ============================================================ */

/* 亮色模式下警告模态框文字变深 */
[data-theme="light"] .modal-content h2,
[data-theme="light"] .modal-content p,
[data-theme="light"] .modal-content strong {
  color: #1a1a2e !important;
}

[data-theme="light"] .modal-content p {
  color: #4a4a6a !important;
}

/* ============================================================
   🎨 自定义 CSS 按钮 —— 亮色模式修复
   ============================================================ */

/* 亮色模式：删除自定义 CSS 按钮 */
[data-theme="light"] #customCssDeleteBtn {
  background: #f1f3f5 !important;
  border: 1px solid #e9edf4 !important;
  color: #1a1a2e !important;
}
[data-theme="light"] #customCssDeleteBtn:hover {
  background: #e9ecef !important;
}

/* 亮色模式：警告模态框里的取消按钮 */
[data-theme="light"] #cssWarningCancel {
  background: #f1f3f5 !important;
  border: 1px solid #e9edf4 !important;
  color: #1a1a2e !important;
}
[data-theme="light"] #cssWarningCancel:hover {
  background: #e9ecef !important;
}

/* ============================================================
   亮色模式 - 设置页面修复
   ============================================================ */
[data-theme="light"] #pageSettings .settings-card,
[data-theme="light"] #pageSettings > div > div,
[data-theme="light"] #pageSettings [style*="background:var(--surface)"] {
  background: rgba(255, 255, 255, 0.5) !important;
  backdrop-filter: blur(16px) !important;
  -webkit-backdrop-filter: blur(16px) !important;
  border: 1px solid rgba(255, 255, 255, 0.6) !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06) !important;
}

[data-theme="light"] #pageSettings input,
[data-theme="light"] #pageSettings textarea,
[data-theme="light"] #pageSettings select {
  background: rgba(255, 255, 255, 0.4) !important;
  backdrop-filter: blur(8px) !important;
  -webkit-backdrop-filter: blur(8px) !important;
  border: 1px solid rgba(255, 255, 255, 0.5) !important;
  color: #1a1a2e !important;
}
[data-theme="light"] #pageSettings input:focus,
[data-theme="light"] #pageSettings textarea:focus,
[data-theme="light"] #pageSettings select:focus {
  background: rgba(255, 255, 255, 0.6) !important;
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px var(--primary-glow) !important;
}
[data-theme="light"] #pageSettings input::placeholder,
[data-theme="light"] #pageSettings textarea::placeholder {
  color: #8a8aaa !important;
}
/* ============================================================
   删除按钮 —— 微红背景版
   ============================================================ */

/* 帖子卡片的删除按钮 */
.post-actions .action-delete {
  background: rgba(239, 68, 68, 0.08) !important;
  border: 1.5px solid #ef4444 !important;
  color: #1a1a2e !important;
  padding: 2px 10px !important;
  border-radius: var(--radius-sm) !important;
  transition: all 0.2s ease !important;
}
.post-actions .action-delete:hover {
  background: #ef4444 !important;
  color: #fff !important;
}

/* 帖子详情页的删除按钮 */
#detailDeleteBtn {
  background: rgba(239, 68, 68, 0.08) !important;
  border: 1.5px solid #ef4444 !important;
  color: #1a1a2e !important;
  padding: 2px 10px !important;
  border-radius: var(--radius-sm) !important;
  transition: all 0.2s ease !important;
}
#detailDeleteBtn:hover {
  background: #ef4444 !important;
  color: #fff !important;
}

/* 暗色模式下适配 */
[data-theme="dark"] .post-actions .action-delete,
[data-theme="dark"] #detailDeleteBtn {
  background: rgba(239, 68, 68, 0.15) !important;
  color: #e8e8f0 !important;
}
[data-theme="dark"] .post-actions .action-delete:hover,
[data-theme="dark"] #detailDeleteBtn:hover {
  background: #ef4444 !important;
  color: #fff !important;
}
/* ============================================================
   👤 用户个人主页 —— 卡片样式覆盖
   ============================================================ */

/* 用户主页的主卡片 */
#userProfileContent > div:first-child {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(16px) !important;
  -webkit-backdrop-filter: blur(16px) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius) !important;
  box-shadow: var(--glass-shadow) !important;
  padding: 32px !important;
  transition: all var(--transition) !important;
}

/* 用户主页的帖子卡片（复用帖子流样式） */
#userProfileContent .post-card {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(16px) !important;
  -webkit-backdrop-filter: blur(16px) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius) !important;
  box-shadow: var(--glass-shadow) !important;
  transition: all var(--transition) !important;
}
#userProfileContent .post-card:hover {
  background: rgba(255, 255, 255, 0.28) !important;
  transform: translateY(-2px) !important;
  box-shadow: var(--glass-shadow-hover) !important;
}

/* 亮色模式下稍微实一点，避免太透 */
[data-theme="light"] #userProfileContent > div:first-child {
  background: rgba(255, 255, 255, 0.5) !important;
}

/* 暗色模式下保持原样 */
[data-theme="dark"] #userProfileContent > div:first-child {
  background: var(--glass-bg) !important;
}

/* ============================================================
   用户下拉菜单 —— 统一卡片玻璃风格
   ============================================================ */

/* 亮色模式 */
[data-theme="light"] .dropdown-menu {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  border: 1px solid var(--glass-border) !important;
  box-shadow: var(--glass-shadow) !important;
}

/* 暗色模式 */
[data-theme="dark"] .dropdown-menu {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  border: 1px solid var(--glass-border) !important;
  box-shadow: var(--glass-shadow) !important;
}

/* 菜单项悬浮效果 */
.dropdown-menu a:hover {
  background: rgba(0, 0, 0, 0.04) !important;
}

[data-theme="dark"] .dropdown-menu a:hover {
  background: rgba(255, 255, 255, 0.08) !important;
}

/* ============================================================
   用户下拉菜单 —— 半透明（比卡片稍实）
   ============================================================ */

/* 亮色模式 */
[data-theme="light"] .dropdown-menu {
  background: rgba(255, 255, 255, 0.75) !important;
  backdrop-filter: blur(16px) !important;
  -webkit-backdrop-filter: blur(16px) !important;
  border: 1px solid rgba(255, 255, 255, 0.6) !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08) !important;
}

/* 暗色模式 */
[data-theme="dark"] .dropdown-menu {
  background: rgba(30, 30, 50, 0.80) !important;
  backdrop-filter: blur(16px) !important;
  -webkit-backdrop-filter: blur(16px) !important;
  border: 1px solid var(--glass-border) !important;
  box-shadow: var(--glass-shadow) !important;
}

/* 菜单项悬浮效果 */
.dropdown-menu a:hover {
  background: rgba(0, 0, 0, 0.05) !important;
}

[data-theme="dark"] .dropdown-menu a:hover {
  background: rgba(255, 255, 255, 0.08) !important;
}
/* ============================================================
   回复删除按钮 —— 统一风格
   ============================================================ */

/* 回复列表里的删除按钮 */
.reply-delete-btn {
  background: rgba(239, 68, 68, 0.08) !important;
  border: 1.5px solid #ef4444 !important;
  color: #1a1a2e !important;
  padding: 2px 10px !important;
  border-radius: var(--radius-sm) !important;
  transition: all 0.2s ease !important;
  font-size: 12px !important;
  font-weight: 500 !important;
  cursor: pointer !important;
}
.reply-delete-btn:hover {
  background: #ef4444 !important;
  color: #fff !important;
}

/* 暗色模式适配 */
[data-theme="dark"] .reply-delete-btn {
  background: rgba(239, 68, 68, 0.15) !important;
  color: #e8e8f0 !important;
}
[data-theme="dark"] .reply-delete-btn:hover {
  background: #ef4444 !important;
  color: #fff !important;
}
/* ============================================================
   超链接颜色修复 —— 只影响内容里的链接
   ============================================================ */

/* 内容区域里的链接（帖子、回复、详情页） */
.post-content a,
.reply-content a,
.post-detail-card a,
#pagePost .post-content a,
#pagePost .reply-content a {
  color: var(--primary) !important;
  text-decoration: underline !important;
  text-underline-offset: 2px;
  transition: color 0.2s ease;
}
.post-content a:hover,
.reply-content a:hover,
.post-detail-card a:hover,
#pagePost .post-content a:hover,
#pagePost .reply-content a:hover {
  color: var(--primary-hover) !important;
}

/* 已访问链接不变紫 */
.post-content a:visited,
.reply-content a:visited,
.post-detail-card a:visited,
#pagePost .post-content a:visited,
#pagePost .reply-content a:visited {
  color: var(--primary) !important;
}

/* 暗色模式下 */
[data-theme="dark"] .post-content a,
[data-theme="dark"] .reply-content a,
[data-theme="dark"] .post-detail-card a,
[data-theme="dark"] #pagePost .post-content a,
[data-theme="dark"] #pagePost .reply-content a {
  color: var(--primary-light) !important;
}
[data-theme="dark"] .post-content a:visited,
[data-theme="dark"] .reply-content a:visited,
[data-theme="dark"] .post-detail-card a:visited,
[data-theme="dark"] #pagePost .post-content a:visited,
[data-theme="dark"] #pagePost .reply-content a:visited {
  color: var(--primary-light) !important;
}

/* 导航栏、下拉菜单、按钮里的 a 标签 —— 不要下划线 */
#navbar a,
.dropdown-menu a,
.admin-nav a,
.admin-nav-item,
.back-btn,
.btn-ghost,
.btn-primary,
.btn-secondary,
.btn-danger,
.btn-success,
.btn-sm,
a.btn-ghost,
a.btn-primary,
a.btn-secondary {
  text-decoration: none !important;
}

/* ============================================================
   帖子列表 —— 内容截断（纯 CSS）
   ============================================================ */

#feed .post-content {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  max-height: none;
  line-height: 1.7;
}