/* ========== 全局重置 ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #4f6df5;
  --primary-light: #6c83f8;
  --primary-dark: #3a56d4;
  --bg: #f0f2f5;
  --sidebar-bg: #1e1e2e;
  --sidebar-text: #a0a0b8;
  --sidebar-active: #4f6df5;
  --card-bg: #ffffff;
  --text: #1a1a2e;
  --text-secondary: #6b7280;
  --border: #e5e7eb;
  --danger: #ef4444;
  --success: #10b981;
  --warning: #f59e0b;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --radius: 12px;
  --radius-sm: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

/* ========== 登录页 ========== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
  background: #fff;
  border-radius: 20px;
  padding: 44px 36px;
  width: 380px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-card .login-icon {
  text-align: center;
  font-size: 3rem;
  margin-bottom: 12px;
}

.login-card h2 {
  text-align: center;
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.login-card .subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-bottom: 28px;
}

.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: inherit;
  background: #fff;
  color: var(--text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 109, 245, 0.1);
}

.form-group textarea { resize: vertical; min-height: 70px; }

.btn {
  padding: 11px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  width: 100%;
  justify-content: center;
}
.btn-primary:hover { background: var(--primary-dark); }

.btn-secondary {
  background: var(--bg);
  color: var(--text);
}
.btn-secondary:hover { background: #e2e5e9; }

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { background: #dc2626; }

.btn-success {
  background: var(--success);
  color: #fff;
}
.btn-success:hover { background: #059669; }

.btn-sm { padding: 7px 14px; font-size: 0.82rem; }

.login-error {
  color: var(--danger);
  text-align: center;
  font-size: 0.85rem;
  margin-top: 12px;
  min-height: 20px;
}

.login-hint {
  text-align: center;
  margin-top: 20px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.login-hint a { color: var(--primary); }

/* ========== 后台布局 ========== */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
  width: 230px;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform 0.3s;
}

.sidebar-header {
  padding: 24px 20px;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-header .logo {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.sidebar-header h3 {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
}

.sidebar-header p {
  font-size: 0.75rem;
  color: var(--sidebar-text);
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 0;
  overflow-y: auto;
}

.sidebar-nav .nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.92rem;
  color: var(--sidebar-text);
  border-left: 3px solid transparent;
}

.sidebar-nav .nav-item:hover {
  background: rgba(255,255,255,0.05);
  color: #fff;
}

.sidebar-nav .nav-item.active {
  background: rgba(79, 109, 245, 0.15);
  color: #fff;
  border-left-color: var(--sidebar-active);
}

.sidebar-nav .nav-item .nav-icon { font-size: 1.15rem; }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.sidebar-footer .logout-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  color: var(--sidebar-text);
  font-size: 0.88rem;
}

.sidebar-footer .logout-btn:hover {
  background: rgba(239, 68, 68, 0.15);
  color: #ef9999;
}

/* 主内容区 */
.admin-main {
  flex: 1;
  margin-left: 230px;
  padding: 28px 32px;
  min-width: 0;
}

.admin-main .page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.admin-main .page-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
}

/* ========== 仪表盘 ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 18px;
  transition: transform 0.2s;
}

.stat-card:hover { transform: translateY(-2px); }

.stat-card .stat-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.stat-card .stat-info .stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1.2;
}

.stat-card .stat-info .stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* 热门链接表 */
.top-links-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.top-links-card h3 {
  font-size: 1.05rem;
  margin-bottom: 16px;
}

.top-links-card table {
  width: 100%;
  border-collapse: collapse;
}

.top-links-card th,
.top-links-card td {
  padding: 10px 12px;
  text-align: left;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border);
}

.top-links-card th {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.82rem;
}

.top-links-card td .rank {
  display: inline-flex;
  width: 24px;
  height: 24px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 700;
}

/* ========== 数据表格 ========== */
.data-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.data-card .card-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}

.data-card .card-toolbar h3 {
  font-size: 1.05rem;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: #fafbfc;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 12px 16px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border);
}

.data-table tr:last-child td { border-bottom: none; }

.data-table tr:hover td { background: #fafbfc; }

.data-table .td-icon { font-size: 1.2rem; }
.data-table .td-url { color: var(--primary); max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.data-table .td-actions { display: flex; gap: 8px; }
.data-table .td-actions .btn-sm { padding: 5px 12px; font-size: 0.78rem; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-blue { background: #eef2ff; color: var(--primary); }
.badge-green { background: #ecfdf5; color: var(--success); }
.badge-gray { background: #f3f4f6; color: var(--text-secondary); }
.badge-orange { background: #fff7ed; color: #ea580c; }
.badge-red { background: #fef2f2; color: var(--danger); }

.empty-row {
  text-align: center;
  padding: 40px !important;
  color: var(--text-secondary);
}

/* ========== 模态框 ========== */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s;
}

.modal-overlay.active { display: flex; }

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

.modal {
  background: #fff;
  border-radius: 16px;
  width: 480px;
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalSlide 0.3s ease-out;
}

@keyframes modalSlide {
  from { opacity: 0; transform: translateY(-20px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 { font-size: 1.15rem; }

.modal-close {
  cursor: pointer;
  font-size: 1.3rem;
  color: var(--text-secondary);
  transition: color 0.2s;
  background: none;
  border: none;
  padding: 4px 8px;
}
.modal-close:hover { color: var(--text); }

.modal-body { padding: 24px; }

.modal-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}

/* ========== 提示消息 ========== */
.toast {
  position: fixed;
  top: 24px;
  right: 24px;
  padding: 14px 22px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 2000;
  animation: toastIn 0.3s ease-out;
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
  display: flex;
  align-items: center;
  gap: 8px;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

.toast.success { background: var(--success); color: #fff; }
.toast.error { background: var(--danger); color: #fff; }
.toast.info { background: var(--primary); color: #fff; }

/* ========== 设置页 ========== */
.settings-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  max-width: 640px;
}

.settings-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
  letter-spacing: 0.5px;
}

.settings-card .form-group { margin-bottom: 14px; }

.settings-card .form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  margin-bottom: 4px;
}

.settings-card .form-group input,
.settings-card .form-group select,
.settings-card .form-group textarea {
  letter-spacing: 0.2px;
  padding: 9px 12px;
  font-size: 0.9rem;
}

.settings-card .save-btn { margin-top: 4px; }

/* ========== 导航徽章 ========== */
.nav-item { position: relative; }
.nav-badge {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--danger);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
}

/* ========== 留言卡片 ========== */
.message-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--border);
  transition: border-color 0.2s;
}

.message-card.pending { border-left-color: var(--warning); }
.message-card.replied { border-left-color: var(--success); }

.message-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.message-header .msg-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.message-header .msg-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 700;
}

.message-header .msg-meta .msg-name { font-weight: 600; font-size: 0.92rem; }
.message-header .msg-meta .msg-info { font-size: 0.78rem; color: var(--text-secondary); }

.message-body {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.6;
  padding: 10px 14px;
  background: var(--bg);
  border-radius: 8px;
  margin-bottom: 10px;
}

.message-reply {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.6;
  padding: 10px 14px;
  background: #ecfdf5;
  border-radius: 8px;
  margin-bottom: 10px;
  border-left: 3px solid var(--success);
}

.message-reply .reply-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--success);
  margin-bottom: 4px;
}

.message-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.message-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.message-empty .icon { font-size: 3rem; margin-bottom: 12px; }

/* ========== 广告位编辑器 ========== */
.ad-editor-textarea {
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace !important;
  font-size: 0.85rem !important;
  line-height: 1.5;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-weight: 500;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* ========== 主题管理 ========== */
.theme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.theme-card {
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
}

.theme-card:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

.theme-card.active {
  border-color: var(--primary);
  box-shadow: 0 8px 30px rgba(var(--primary-rgb, 79, 109, 245), 0.2);
}

.theme-preview {
  height: 100px;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 16px;
}

.theme-preview-card {
  width: 80%;
  height: 50px;
  border-radius: 8px;
  padding: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.theme-preview-card .tp-bar {
  height: 6px;
  border-radius: 3px;
  margin-bottom: 5px;
}

.theme-preview-card .tp-bar.short {
  width: 60%;
}

.theme-info {
  padding: 16px;
}

.theme-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.theme-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  line-height: 1.4;
}

.theme-badge-active {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--success);
  background: #ecfdf5;
  padding: 4px 12px;
  border-radius: 20px;
}

.theme-switch-btn {
  width: 100%;
  padding: 8px !important;
  font-size: 0.82rem !important;
}

.theme-editor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.theme-edit-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.theme-edit-item label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.theme-edit-item input[type="text"],
.theme-edit-item input[type="color"] {
  padding: 8px 10px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s;
}

.theme-edit-item input:focus {
  border-color: var(--primary);
}

/* ========== 设置页多卡片 ========== */
.settings-card + .settings-card { margin-top: 18px; }

/* ========== 轮播图卡片 ========== */
.banner-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  overflow: hidden;
  display: flex;
  border: 1px solid var(--border);
  transition: box-shadow 0.3s;
}

.banner-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.1); }

.banner-card-preview {
  width: 260px;
  flex-shrink: 0;
  padding: 12px;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.banner-card-preview img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 8px;
}

.banner-card-info {
  flex: 1;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.banner-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.banner-card-header strong {
  font-size: 0.95rem;
}

.banner-card-actions {
  display: flex;
  gap: 8px;
}

@media (max-width: 768px) {
  .banner-card { flex-direction: column; }
  .banner-card-preview { width: 100%; }
}

/* ========== 移动端菜单按钮 ========== */
.mobile-menu-btn {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 200;
  width: 42px;
  height: 42px;
  background: var(--card-bg);
  border: none;
  border-radius: 10px;
  box-shadow: var(--shadow);
  cursor: pointer;
  font-size: 1.2rem;
  align-items: center;
  justify-content: center;
}

/* ========== 响应式 ========== */

/* 设置页内联 grid 在小屏上变单列 */
@media (max-width: 600px) {
  .settings-card div[style*="grid-template-columns:1fr 1fr"],
  .settings-card div[style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
  /* 留言管理筛选按钮区 */
  .page-header > div[style*="display:flex"] {
    flex-wrap: wrap;
  }
  /* 链接管理筛选区 */
  .card-toolbar div[style*="display:flex"] {
    flex-wrap: wrap;
  }
}

@media (max-width: 768px) {
  /* 侧边栏 */
  .sidebar { transform: translateX(-100%); width: 260px; }
  .sidebar.open { transform: translateX(0); }
  .sidebar-header { padding: 20px 16px; }
  .sidebar-header h3 { font-size: 1.1rem; }
  .sidebar-header p { font-size: 0.78rem; }
  .sidebar-nav .nav-item { padding: 14px 20px; font-size: 0.95rem; }
  .sidebar-nav .nav-item .nav-icon { font-size: 1.2rem; }
  .sidebar-footer .logout-btn { font-size: 0.92rem; padding: 12px 16px; }

  /* 主内容区 */
  .admin-main { margin-left: 0; padding: 16px 14px; padding-top: 64px; }
  .admin-main .page-header { margin-bottom: 18px; flex-wrap: wrap; gap: 10px; }
  .admin-main .page-header h1 { font-size: 1.25rem; }
  .mobile-menu-btn { display: flex; width: 40px; height: 40px; font-size: 1.1rem; top: 12px; left: 12px; }

  /* 仪表盘统计卡 */
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card { padding: 16px; gap: 12px; border-radius: 12px; }
  .stat-card .stat-icon { width: 46px; height: 46px; font-size: 1.35rem; border-radius: 12px; }
  .stat-card .stat-info .stat-value { font-size: 1.45rem; }
  .stat-card .stat-info .stat-label { font-size: 0.8rem; }

  /* 热门链接表 */
  .top-links-card { padding: 18px 16px; border-radius: 12px; }
  .top-links-card h3 { font-size: 0.98rem; }
  .top-links-card th, .top-links-card td { padding: 10px 10px; font-size: 0.88rem; }

  /* 数据表格 */
  .data-card .card-toolbar { padding: 14px 16px; }
  .data-card .card-toolbar h3 { font-size: 0.98rem; }
  .data-table { font-size: 0.88rem; }
  .data-table th { padding: 10px 12px; font-size: 0.82rem; }
  .data-table td { padding: 10px 12px; font-size: 0.88rem; }
  .data-table .td-actions .btn-sm { padding: 6px 12px; font-size: 0.8rem; }

  /* 设置卡片 */
  .settings-card { padding: 18px 16px; border-radius: 12px; }
  .settings-card h3 { font-size: 0.98rem; }
  .settings-card .form-group { margin-bottom: 14px; }
  .settings-card .form-group label { font-size: 0.88rem; }
  .settings-card .form-group input,
  .settings-card .form-group select,
  .settings-card .form-group textarea { padding: 12px 14px; font-size: 0.95rem; }
  .settings-card + .settings-card { margin-top: 14px; }

  /* 通用表单 */
  .form-group label { font-size: 0.9rem; }
  .form-group input, .form-group select, .form-group textarea { padding: 12px 14px; font-size: 0.95rem; }
  .btn { padding: 12px 18px; font-size: 0.92rem; }
  .btn-sm { padding: 8px 14px; font-size: 0.85rem; }

  /* 模态框 */
  .modal { width: 95vw; border-radius: 14px; }
  .modal-header { padding: 16px 18px; }
  .modal-header h3 { font-size: 1.05rem; }
  .modal-body { padding: 18px; }
  .modal-footer { padding: 14px 18px; }

  /* 留言卡片 */
  .message-card { padding: 16px 18px; margin-bottom: 12px; border-radius: 12px; }
  .message-header .msg-avatar { width: 40px; height: 40px; font-size: 1rem; }
  .message-header .msg-meta .msg-name { font-size: 0.95rem; }
  .message-header .msg-meta .msg-info { font-size: 0.82rem; }
  .message-body { font-size: 0.92rem; padding: 12px 14px; }
  .message-reply { font-size: 0.9rem; padding: 12px 14px; }
  .message-actions { flex-wrap: wrap; gap: 6px; }
  .message-actions .btn-sm { padding: 7px 12px; font-size: 0.82rem; }

  /* 主题管理 */
  .theme-grid { grid-template-columns: 1fr; }
  .theme-editor-grid { grid-template-columns: 1fr; }
  .theme-card { border-radius: 12px; }
  .theme-info { padding: 14px; }
  .theme-name { font-size: 0.98rem; }
  .theme-desc { font-size: 0.85rem; }

  /* 轮播图卡片 */
  .banner-card { flex-direction: column; border-radius: 12px; }
  .banner-card-preview { width: 100%; }
  .banner-card-info { padding: 14px 16px; }

  /* 提示消息 */
  .toast { top: 12px; right: 12px; left: 12px; padding: 12px 16px; font-size: 0.9rem; border-radius: 10px; }

  /* 登录页 */
  .login-card { width: 92vw; padding: 36px 24px; border-radius: 16px; }
  .login-card h2 { font-size: 1.3rem; }
  .login-card .subtitle { font-size: 0.9rem; }

  /* 页面头部按钮区域 */
  .page-header { flex-wrap: wrap; }
  .page-header > div { flex-wrap: wrap; }

  /* Badge */
  .badge { font-size: 0.78rem; padding: 3px 10px; }
}

@media (max-width: 480px) {
  /* 主内容区 */
  .admin-main { padding: 14px 10px; padding-top: 60px; }
  .admin-main .page-header h1 { font-size: 1.1rem; }
  .mobile-menu-btn { width: 38px; height: 38px; font-size: 1.05rem; top: 10px; left: 10px; }

  /* 仪表盘 */
  .stats-grid { grid-template-columns: 1fr; gap: 10px; }
  .stat-card { padding: 14px; gap: 10px; }
  .stat-card .stat-icon { width: 42px; height: 42px; font-size: 1.2rem; }
  .stat-card .stat-info .stat-value { font-size: 1.3rem; }
  .stat-card .stat-info .stat-label { font-size: 0.78rem; }

  /* 表格 */
  .data-table { font-size: 0.82rem; }
  .data-table th { padding: 8px 8px; font-size: 0.78rem; }
  .data-table td { padding: 8px 8px; font-size: 0.82rem; }
  .data-table .td-actions { flex-wrap: wrap; gap: 4px; }
  .data-table .td-actions .btn-sm { padding: 5px 10px; font-size: 0.76rem; }
  .data-card .card-toolbar { padding: 12px 12px; }
  .data-card .card-toolbar h3 { font-size: 0.92rem; }

  /* 设置卡片 */
  .settings-card { padding: 14px 12px; }
  .settings-card h3 { font-size: 0.92rem; }
  .settings-card .form-group input,
  .settings-card .form-group select,
  .settings-card .form-group textarea { padding: 11px 12px; font-size: 0.92rem; }

  /* 通用表单 */
  .form-group input, .form-group select, .form-group textarea { padding: 11px 12px; font-size: 0.92rem; }
  .btn { padding: 11px 16px; font-size: 0.88rem; }
  .btn-sm { padding: 7px 12px; font-size: 0.8rem; }

  /* 模态框 */
  .modal { width: 96vw; }
  .modal-body { padding: 14px; }
  .modal-header { padding: 14px 16px; }
  .modal-header h3 { font-size: 1rem; }
  .modal-footer { padding: 12px 16px; }

  /* 留言卡片 */
  .message-card { padding: 14px 14px; }
  .message-header .msg-meta .msg-name { font-size: 0.9rem; }
  .message-body { font-size: 0.88rem; padding: 10px 12px; }

  /* 轮播图卡片 */
  .banner-card-info { padding: 12px 14px; }
  .banner-card-header strong { font-size: 0.9rem; }

  /* 热门链接表 */
  .top-links-card { padding: 14px 12px; }
  .top-links-card th, .top-links-card td { padding: 8px 8px; font-size: 0.82rem; }

  /* 登录页 */
  .login-card { padding: 28px 18px; }
  .login-card h2 { font-size: 1.15rem; }
  .login-card .subtitle { font-size: 0.82rem; }

  /* 主题 */
  .theme-info { padding: 12px; }
  .theme-name { font-size: 0.92rem; }

  /* Toast */
  .toast { font-size: 0.85rem; padding: 10px 14px; }

  /* 侧边栏 */
  .sidebar { width: 240px; }
  .sidebar-nav .nav-item { padding: 12px 16px; font-size: 0.9rem; }
}