/* ============================================================
   后台管理系统 · 玻璃拟态设计系统 v2
   与前台风格统一：玻璃悬浮侧栏、渐变光晕、柔和阴影
   ============================================================ */

/* ---------- Material Icons 字体 ---------- */
@font-face {
  font-family: 'Material Icons';
  font-style: normal;
  font-weight: 400;
  font-display: block;
  src: url('../lib/mdui-v1.0.2/icons/material-icons/MaterialIcons-Regular.woff2') format('woff2');
}

.material-icons {
  font-family: 'Material Icons';
  font-weight: normal;
  font-style: normal;
  display: inline-block;
  line-height: 1;
  text-transform: none;
  letter-spacing: normal;
  word-wrap: normal;
  white-space: nowrap;
  direction: ltr;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'liga';
  font-size: 20px;
  width: 20px;
  height: 20px;
  vertical-align: middle;
}

/* ---------- 变量 ---------- */
:root {
  --primary: #6366f1;
  --primary-strong: #4f46e5;
  --primary-grad: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --primary-soft: rgba(99, 102, 241, 0.12);
  --primary-softer: rgba(99, 102, 241, 0.06);
  --success: #10b981;
  --success-soft: rgba(16, 185, 129, 0.12);
  --danger: #ef4444;
  --danger-soft: rgba(239, 68, 68, 0.1);
  --warning: #f59e0b;
  --warning-soft: rgba(245, 158, 11, 0.12);
  --info: #0ea5e9;
  --info-soft: rgba(14, 165, 233, 0.12);

  --bg: #eef1fb;
  --bg-grad: linear-gradient(135deg, #eef1fb 0%, #e8ecfa 45%, #f3edfb 100%);
  --surface: rgba(255, 255, 255, 0.72);
  --surface-solid: #ffffff;
  --surface-2: rgba(255, 255, 255, 0.5);
  --glass-border: rgba(255, 255, 255, 0.65);
  --glass-border-strong: rgba(148, 163, 184, 0.35);
  --border: rgba(148, 163, 184, 0.25);
  --border-strong: rgba(148, 163, 184, 0.45);

  --text: #1e2233;
  --text-secondary: #565c73;
  --text-muted: #9aa1b8;

  --sidebar-w: 244px;
  --appbar-h: 62px;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 22px;

  --shadow-sm: 0 2px 8px rgba(30, 34, 51, 0.06);
  --shadow: 0 8px 28px rgba(30, 34, 51, 0.1);
  --shadow-lg: 0 18px 50px -12px rgba(30, 34, 51, 0.28);
  --glass-shadow: 0 8px 32px rgba(30, 34, 51, 0.12), 0 2px 8px rgba(30, 34, 51, 0.06);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}

[theme='dark'] {
  --bg: #0f1120;
  --bg-grad: linear-gradient(135deg, #0f1120 0%, #141630 50%, #1b1230 100%);
  --surface: rgba(30, 33, 56, 0.72);
  --surface-solid: #1e2138;
  --surface-2: rgba(38, 42, 68, 0.5);
  --glass-border: rgba(148, 163, 184, 0.16);
  --glass-border-strong: rgba(148, 163, 184, 0.3);
  --border: rgba(148, 163, 184, 0.18);
  --border-strong: rgba(148, 163, 184, 0.32);
  --text: #e7e9f5;
  --text-secondary: #a7aecb;
  --text-muted: #6f7694;
  --primary-soft: rgba(99, 102, 241, 0.22);
  --primary-softer: rgba(99, 102, 241, 0.12);
  --success-soft: rgba(16, 185, 129, 0.18);
  --danger-soft: rgba(239, 68, 68, 0.16);
  --warning-soft: rgba(245, 158, 11, 0.16);
  --info-soft: rgba(14, 165, 233, 0.16);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow: 0 8px 28px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 18px 50px -12px rgba(0, 0, 0, 0.6);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; line-height: 1.6; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg-grad);
  background-attachment: fixed;
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  font-family: var(--font);
  overflow-x: hidden;
}
/* 背景光晕装饰 */
body::before {
  content: '';
  position: fixed;
  top: -180px; right: -120px;
  width: 480px; height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.16), transparent 65%);
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: '';
  position: fixed;
  bottom: -160px; left: -100px;
  width: 460px; height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15), transparent 65%);
  pointer-events: none;
  z-index: 0;
}
a { color: var(--primary); text-decoration: none; }
a:hover { opacity: 0.85; }
img { max-width: 100%; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; color: inherit; }

@media (min-width: 1024px) {
  body { padding-left: calc(var(--sidebar-w) + 24px); }
}

/* ========== 顶栏（玻璃悬浮） ========== */
.appbar {
  position: fixed;
  top: 12px; right: 12px; left: 12px;
  height: var(--appbar-h);
  background: var(--surface);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  display: flex;
  align-items: center;
  padding: 0 18px;
  z-index: 100;
}
@media (min-width: 1024px) {
  .appbar { left: calc(var(--sidebar-w) + 36px); }
}
.appbar-inner { display: flex; align-items: center; gap: 10px; width: 100%; }
.appbar-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border: none;
  background: transparent;
  border-radius: 12px;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.appbar-toggle:hover { background: var(--primary-soft); color: var(--primary); }
@media (min-width: 1024px) { .appbar-toggle { display: none; } }
.appbar-title { font-size: 16px; font-weight: 800; letter-spacing: 0.2px; }
.appbar-spacer { flex: 1; }
.appbar-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-secondary);
  border: 1px solid var(--glass-border-strong);
  background: var(--surface-2);
  transition: all var(--transition);
}
.appbar-link:hover { color: var(--primary); border-color: var(--primary); opacity: 1; }
.appbar-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  border: 1px solid transparent;
}
.appbar-badge .material-icons { font-size: 16px; width: 16px; height: 16px; }

/* ========== 侧边栏（玻璃悬浮，与前台一致） ========== */
.drawer {
  position: fixed;
  top: 12px; left: 12px; bottom: 12px;
  width: var(--sidebar-w);
  background: var(--surface);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  z-index: 200;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  will-change: transform;
}
@media (min-width: 1024px) {
  .drawer { transform: translateX(0); }
  .drawer-overlay { display: none !important; }
}
@media (max-width: 1023px) {
  .drawer { transform: translateX(-120%); transition: transform var(--transition); }
  .drawer.open { transform: translateX(0); }
}
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 17, 32, 0.5);
  backdrop-filter: blur(4px);
  z-index: 199;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.drawer-overlay.show { opacity: 1; pointer-events: auto; }

.drawer-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--border);
  margin: 0 12px;
}
.drawer-brand-icon {
  width: 42px; height: 42px;
  border-radius: 14px;
  background: var(--primary-grad);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.4);
  flex-shrink: 0;
}
.drawer-brand-icon .material-icons { font-size: 22px; width: 22px; height: 22px; }
.drawer-brand-text { display: flex; flex-direction: column; line-height: 1.35; min-width: 0; }
.drawer-brand-text strong { font-size: 15px; white-space: nowrap; }
.drawer-brand-text small { font-size: 11px; color: var(--text-muted); }

.nav { flex: 1; padding: 10px 12px 12px; overflow-y: auto; }
.nav-section { margin-bottom: 6px; }
.nav-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  padding: 10px 10px 5px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 13px;
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  transition: all var(--transition);
  position: relative;
  margin-bottom: 2px;
}
.nav-item .material-icons { font-size: 19px; width: 19px; height: 19px; color: var(--text-muted); transition: all var(--transition); }
.nav-item:hover { background: var(--primary-softer); color: var(--text); opacity: 1; }
.nav-item:hover .material-icons { color: var(--primary); }
.nav-item.active {
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 700;
}
.nav-item.active .material-icons { color: var(--primary); }
.nav-item.active::before {
  content: '';
  position: absolute;
  left: -12px; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 22px;
  border-radius: 0 4px 4px 0;
  background: var(--primary-grad);
}
.nav-item-danger { color: var(--danger); }
.nav-item-danger .material-icons { color: var(--danger); }
.nav-item-danger:hover { background: var(--danger-soft); color: var(--danger); opacity: 1; }

.drawer-footer {
  padding: 14px 16px;
  font-size: 11px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  text-align: center;
  margin: 0 12px;
}

/* ========== 布局 ========== */
.app-container {
  padding: calc(var(--appbar-h) + 28px) 20px 32px;
  max-width: 1240px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
@media (max-width: 640px) { .app-container { padding: calc(var(--appbar-h) + 20px) 14px 28px; } }

.page-title { font-size: 22px; font-weight: 800; margin-bottom: 18px; letter-spacing: 0.2px; }
.page-header { display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
.page-header .page-title { margin-bottom: 0; }

.row { display: flex; flex-wrap: wrap; gap: 14px; }
.col-half { flex: 1 1 300px; min-width: 0; }
.col-full { flex: 1 1 100%; min-width: 0; }

.grid { display: grid; gap: 14px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 1024px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.flex { display: flex; align-items: center; }
.flex-right { display: flex; justify-content: flex-end; gap: 10px; flex-wrap: wrap; }
.gap-3 { gap: 12px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-3 { margin-bottom: 12px; }
.py-3 { padding-top: 12px; padding-bottom: 12px; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-small { font-size: 12.5px; }
.font-weight-700 { font-weight: 700; }
.divider { border: none; border-top: 1px solid var(--border); margin: 12px 0; }

/* ========== 卡片（玻璃） ========== */
.card {
  background: var(--surface);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 16px;
  overflow: hidden;
}
.card-body { padding: 20px; }
.card-title { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

/* ========== 统计卡片 ========== */
.stat-card {
  display: flex;
  align-items: center;
  gap: 13px;
  background: var(--surface);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.stat-icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.stat-icon .material-icons { font-size: 22px; width: 22px; height: 22px; }
.stat-icon.blue { background: linear-gradient(135deg, rgba(37, 99, 235, 0.14), rgba(37, 99, 235, 0.05)); color: #2563eb; }
.stat-icon.green { background: linear-gradient(135deg, rgba(16, 185, 129, 0.14), rgba(16, 185, 129, 0.05)); color: var(--success); }
.stat-icon.yellow { background: linear-gradient(135deg, rgba(245, 158, 11, 0.16), rgba(245, 158, 11, 0.06)); color: var(--warning); }
.stat-icon.red { background: linear-gradient(135deg, rgba(239, 68, 68, 0.13), rgba(239, 68, 68, 0.05)); color: var(--danger); }
.stat-icon.purple { background: linear-gradient(135deg, rgba(99, 102, 241, 0.16), rgba(139, 92, 246, 0.06)); color: var(--primary); }
.stat-icon.orange { background: linear-gradient(135deg, rgba(234, 88, 12, 0.15), rgba(234, 88, 12, 0.05)); color: #ea580c; }
[theme='dark'] .stat-icon.blue { color: #60a5fa; }
[theme='dark'] .stat-icon.orange { color: #fb923c; }
.stat-value { font-size: 24px; font-weight: 800; line-height: 1.2; background: var(--primary-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-label { font-size: 12px; color: var(--text-muted); }

/* 新版 admin-stat-card（visitors/comments 用） */
.admin-stat-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 12px 16px;
}
.admin-stat-icon {
  width: 44px; height: 44px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.admin-stat-icon.blue { background: linear-gradient(135deg, rgba(37, 99, 235, 0.14), rgba(37, 99, 235, 0.05)); color: #2563eb; }
.admin-stat-icon.purple { background: linear-gradient(135deg, rgba(99, 102, 241, 0.16), rgba(139, 92, 246, 0.06)); color: var(--primary); }
.admin-stat-icon.green { background: linear-gradient(135deg, rgba(16, 185, 129, 0.14), rgba(16, 185, 129, 0.05)); color: var(--success); }
.admin-stat-icon.orange { background: linear-gradient(135deg, rgba(234, 88, 12, 0.15), rgba(234, 88, 12, 0.05)); color: #ea580c; }
[theme='dark'] .admin-stat-icon.blue { color: #60a5fa; }
[theme='dark'] .admin-stat-icon.orange { color: #fb923c; }
.admin-stat-value { font-size: 20px; font-weight: 800; line-height: 1.2; background: var(--primary-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.admin-stat-label { font-size: 12px; color: var(--text-muted); }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 12px;
  border: 1px solid var(--glass-border-strong);
  background: var(--surface-2);
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 600;
  transition: all var(--transition);
  line-height: 1.4;
}
.btn:hover { border-color: var(--primary); color: var(--primary); opacity: 1; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(99, 102, 241, 0.18); }
.btn .material-icons { font-size: 17px; width: 17px; height: 17px; }
.btn-primary {
  background: var(--primary-grad);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}
.btn-primary:hover { background: var(--primary-grad); border-color: transparent; color: #fff; box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45); }
.btn-sm { padding: 5px 12px; font-size: 12.5px; border-radius: 10px; }
.btn-icon {
  width: 34px; height: 34px;
  padding: 0;
  border-radius: 11px;
}
.btn-delete { color: var(--danger); border-color: transparent; background: transparent; }
.btn-delete:hover { background: var(--danger-soft); border-color: transparent; color: var(--danger); box-shadow: none; transform: none; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

/* ========== 表单 ========== */
.field { margin-bottom: 16px; }
.field-label { display: block; font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 7px; }
.field-input, .field-textarea, .field-select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--glass-border-strong);
  border-radius: 12px;
  background: var(--surface-2);
  font-size: 13.5px;
  outline: none;
  transition: all var(--transition);
}
.field-input:focus, .field-textarea:focus, .field-select:focus {
  border-color: var(--primary);
  background: var(--surface-solid);
  box-shadow: 0 0 0 4px var(--primary-soft);
}
.field-textarea { resize: vertical; min-height: 88px; line-height: 1.6; }
.field-helper { font-size: 12px; color: var(--text-muted); margin-top: 6px; }
.field-helper a { font-weight: 600; }
.edit-form { width: 100%; }
.field-with-icon { position: relative; }
.field-with-icon .material-icons {
  position: absolute;
  left: 13px; top: 50%;
  transform: translateY(-50%);
  font-size: 18px; width: 18px; height: 18px;
  color: var(--text-muted);
  pointer-events: none;
}
.field-with-icon .field-input { padding-left: 42px; }

/* ========== 表格 ========== */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.table th {
  text-align: left;
  padding: 12px 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  background: var(--surface-2);
}
.table td { padding: 13px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tbody tr { transition: all var(--transition); }
.table tbody tr:hover { background: var(--primary-softer); }
.table tbody tr:last-child td { border-bottom: none; }
.col-actions { text-align: right; white-space: nowrap; }
.col-actions .btn + .btn { margin-left: 6px; }

/* ========== 操作栏 ========== */
.admin-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.admin-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 12px;
  border: 1px solid var(--glass-border-strong);
  background: var(--surface-2);
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 600;
  transition: all var(--transition);
}
.admin-btn:hover { border-color: var(--primary); color: var(--primary); opacity: 1; transform: translateY(-1px); }
.admin-btn .material-icons { font-size: 17px; width: 17px; height: 17px; }
.admin-btn-primary {
  background: var(--primary-grad);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}
.admin-btn-primary:hover { color: #fff; box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45); }
.admin-btn-danger {
  background: linear-gradient(135deg, #ef4444, #f97316);
  border-color: transparent;
  color: #fff;
}
.admin-btn-danger:hover { color: #fff; box-shadow: 0 6px 18px rgba(239, 68, 68, 0.4); }
.admin-search-input {
  padding: 9px 14px;
  border: 1px solid var(--glass-border-strong);
  border-radius: 12px;
  font-size: 13.5px;
  outline: none;
  background: var(--surface-2);
  min-width: 180px;
  transition: all var(--transition);
}
.admin-search-input:focus { border-color: var(--primary); background: var(--surface-solid); box-shadow: 0 0 0 4px var(--primary-soft); }

/* ========== 新式数据表格（玻璃容器） ========== */
.admin-table-container {
  background: var(--surface);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.admin-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.admin-table th {
  text-align: left;
  padding: 13px 16px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.admin-table td { padding: 13px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.admin-table tbody tr { transition: all var(--transition); }
.admin-table tbody tr:hover { background: var(--primary-softer); }
.admin-table tbody tr:last-child td { border-bottom: none; }
.admin-table-actions { display: flex; gap: 6px; }
.admin-table-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  border-radius: 9px;
  font-size: 12.5px;
  font-weight: 600;
  border: 1px solid var(--glass-border-strong);
  background: var(--surface-2);
  color: var(--text-secondary);
  transition: all var(--transition);
}
.admin-table-btn:hover { border-color: var(--primary); color: var(--primary); opacity: 1; }
.admin-table-btn-edit:hover { border-color: var(--success); color: var(--success); }
.admin-table-btn-view:hover { border-color: var(--warning); color: var(--warning); }
.admin-table-btn-delete { color: var(--danger); }
.admin-table-btn-delete:hover { border-color: var(--danger); color: var(--danger); background: var(--danger-soft); }
.admin-avatar-placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-grad);
  color: #fff;
  border-radius: 50%;
  font-weight: 700;
  flex-shrink: 0;
}

/* ========== 分页 ========== */
.admin-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px 4px;
}
.admin-pagination-info { font-size: 12.5px; color: var(--text-muted); }
.admin-pagination-buttons { display: flex; gap: 6px; flex-wrap: wrap; }
.admin-pagination-btn {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 10px;
  border: 1px solid var(--glass-border-strong);
  background: var(--surface-2);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  transition: all var(--transition);
}
.admin-pagination-btn:hover { border-color: var(--primary); color: var(--primary); opacity: 1; }
.admin-pagination-btn.active { background: var(--primary-grad); border-color: transparent; color: #fff; box-shadow: 0 3px 10px rgba(99, 102, 241, 0.35); }

/* ========== 徽章 ========== */
.admin-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}
.admin-badge-info { background: var(--info-soft); color: var(--info); }
.admin-badge-success { background: var(--success-soft); color: var(--success); }
.admin-badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}
.badge-success { background: var(--success-soft); color: var(--success); }

/* ========== 弹窗（dialog） ========== */
.dialog { display: none; }
.dialog-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 17, 32, 0.5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.dialog-overlay.open { opacity: 1; pointer-events: auto; }
.dialog-overlay .dialog {
  display: block;
  width: 100%;
  max-width: 560px;
  max-height: 88vh;
  overflow-y: auto;
  background: var(--surface-solid);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transform: translateY(14px) scale(0.98);
  transition: transform var(--transition);
}
.dialog-overlay.open .dialog { transform: translateY(0) scale(1); }
.dialog-title {
  padding: 18px 22px;
  font-size: 16px;
  font-weight: 800;
  border-bottom: 1px solid var(--border);
}
.dialog-body { padding: 20px 22px; }
.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 22px;
  border-top: 1px solid var(--border);
}

/* ========== 弹窗（AdminModal） ========== */
.admin-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 17, 32, 0.5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.admin-modal-overlay.active { opacity: 1; pointer-events: auto; }
.admin-modal {
  width: 100%;
  max-width: 600px;
  max-height: 88vh;
  overflow-y: auto;
  background: var(--surface-solid);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transform: translateY(14px) scale(0.98);
  transition: transform var(--transition);
}
.admin-modal-overlay.active .admin-modal { transform: translateY(0) scale(1); }
.admin-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}
.admin-modal-title { font-size: 16px; font-weight: 800; }
.admin-modal-close {
  width: 32px; height: 32px;
  border: none;
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1;
  transition: all var(--transition);
}
.admin-modal-close:hover { background: var(--danger-soft); color: var(--danger); }
.admin-modal-body { padding: 20px 22px; }
.admin-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 22px;
  border-top: 1px solid var(--border);
}
.admin-modal-btn {
  padding: 8px 18px;
  border-radius: 11px;
  border: 1px solid var(--glass-border-strong);
  background: var(--surface-2);
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 600;
  transition: all var(--transition);
}
.admin-modal-btn:hover { border-color: var(--primary); color: var(--primary); opacity: 1; }
.admin-modal-btn-primary {
  background: var(--primary-grad);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}
.admin-modal-btn-primary:hover { color: #fff; }
.admin-modal-btn-danger {
  background: linear-gradient(135deg, #ef4444, #f97316);
  border-color: transparent;
  color: #fff;
}
.admin-modal-btn-danger:hover { color: #fff; }
.admin-form-group { margin-bottom: 14px; }
.admin-form-group label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; }
.admin-form-group input, .admin-form-group textarea, .admin-form-group select {
  width: 100%;
  padding: 9px 13px;
  border: 1px solid var(--glass-border-strong);
  border-radius: 11px;
  background: var(--surface-2);
  font-size: 13.5px;
  outline: none;
  transition: all var(--transition);
}
.admin-form-group input:focus, .admin-form-group textarea:focus, .admin-form-group select:focus {
  border-color: var(--primary);
  background: var(--surface-solid);
  box-shadow: 0 0 0 4px var(--primary-soft);
}

/* ========== Snackbar ========== */
.snackbar {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 20px);
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-solid);
  color: var(--text);
  padding: 12px 20px;
  border-radius: 14px;
  font-size: 13.5px;
  font-weight: 600;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lg);
  z-index: 500;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s ease;
  max-width: 88vw;
}
.snackbar.show { opacity: 1; transform: translate(-50%, 0); }
.snackbar .material-icons { font-size: 18px; width: 18px; height: 18px; }

/* ========== 折叠面板 ========== */
.accordion-item { border: 1px solid var(--glass-border); border-radius: 13px; margin-bottom: 10px; overflow: hidden; background: var(--surface-2); }
.accordion-header {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 13px 16px;
  background: transparent;
  border: none;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  text-align: left;
}
.accordion-header .material-icons { font-size: 18px; width: 18px; height: 18px; color: var(--primary); }
.accordion-arrow { margin-left: auto; transition: transform var(--transition); }
.accordion-item.open .accordion-arrow { transform: rotate(180deg); }
.accordion-body { display: none; padding: 4px 16px 16px; font-size: 13px; color: var(--text-secondary); }
.accordion-item.open .accordion-body { display: block; }
.accordion-body pre {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  overflow-x: auto;
  font-size: 12px;
  margin-top: 8px;
}

/* ========== 空状态 ========== */
.empty-state { text-align: center; color: var(--text-muted); padding: 40px; }

/* ========== 站点背景上传 ========== */
.bg-upload-area { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.bg-preview {
  position: relative;
  width: 80px; height: 54px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--glass-border-strong);
  display: flex;
}
.bg-preview img { width: 100%; height: 100%; object-fit: cover; }
.bg-remove {
  position: absolute;
  top: 2px; right: 2px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  border: none;
  font-size: 13px;
  line-height: 18px;
  text-align: center;
  padding: 0;
}
.bg-remove:hover { background: rgba(239, 68, 68, 0.9); }

/* ========== 首页快捷入口 ========== */
.quick-links {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
  margin-top: 12px;
}
.quick-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 14px;
  border: 1px solid var(--glass-border);
  border-radius: 13px;
  background: var(--surface-2);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  transition: all var(--transition);
}
.quick-link:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
  transform: translateY(-2px);
  opacity: 1;
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.18);
}
.quick-link .material-icons { font-size: 17px; width: 17px; height: 17px; }

/* ========== SVG 图标预览 ========== */
.svg-preview-icon svg { width: 24px; height: 24px; }

/* ========== 通知声音页 ========== */
.container { padding: calc(var(--appbar-h) + 28px) 20px 32px; max-width: 900px; margin: 0 auto; position: relative; z-index: 1; }
.dialog-header { padding: 4px 0 16px; }
.dialog-header h3 { font-size: 20px; font-weight: 800; }
.alert {
  padding: 10px 16px;
  border-radius: 12px;
  font-size: 13px;
  margin-bottom: 14px;
}
.alert-success { background: var(--success-soft); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.25); }

.sound-list { display: flex; flex-direction: column; gap: 14px; }
.sound-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px;
  background: var(--surface);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.sound-info { flex: 1; min-width: 220px; }
.sound-name { font-size: 14px; font-weight: 800; margin-bottom: 8px; }
.sound-current audio { height: 34px; max-width: 100%; border-radius: 8px; }
.sound-default { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.sound-actions { display: flex; gap: 8px; align-items: center; }
.sound-upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--primary-grad);
  color: #fff;
  border: none;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  transition: all var(--transition);
}
.sound-upload-btn:hover { box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4); transform: translateY(-1px); }
.sound-delete-btn {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--glass-border-strong);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.sound-delete-btn:hover { background: var(--danger-soft); border-color: var(--danger); color: var(--danger); }

/* ========== 登录页（玻璃） ========== */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  background:
    radial-gradient(ellipse 55% 45% at 15% 0%, rgba(99, 102, 241, 0.25), transparent),
    radial-gradient(ellipse 45% 40% at 95% 100%, rgba(139, 92, 246, 0.2), transparent),
    linear-gradient(135deg, #eef1fb 0%, #e8ecfa 45%, #f3edfb 100%);
}
[theme='dark'] .login-page {
  background:
    radial-gradient(ellipse 55% 45% at 15% 0%, rgba(99, 102, 241, 0.2), transparent),
    radial-gradient(ellipse 45% 40% at 95% 100%, rgba(139, 92, 246, 0.18), transparent),
    linear-gradient(135deg, #0f1120 0%, #141630 50%, #1b1230 100%);
}
.login-wrap { width: 100%; max-width: 400px; position: relative; z-index: 1; }
.login-card {
  background: var(--surface);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 38px 34px;
  box-shadow: var(--shadow-lg);
}
.login-logo { text-align: center; margin-bottom: 26px; }
.login-logo-icon {
  width: 60px; height: 60px;
  margin: 0 auto 16px;
  border-radius: 18px;
  background: var(--primary-grad);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 28px rgba(99, 102, 241, 0.45);
}
.login-logo-icon .material-icons { font-size: 30px; width: 30px; height: 30px; }
.login-logo h1 { font-size: 21px; font-weight: 800; color: var(--text); }
.login-logo p { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.login-form .field { margin-bottom: 16px; }
.login-form .field-input {
  background: var(--surface-2);
  border-color: var(--glass-border-strong);
}
.login-form .field-input:focus { background: var(--surface-solid); }
.login-submit {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 14px;
  background: var(--primary-grad);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 2px;
  transition: all var(--transition);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}
.login-submit:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(99, 102, 241, 0.5); }
.login-footer { text-align: center; margin-top: 22px; font-size: 12px; color: var(--text-muted); }

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--glass-border-strong); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- 兼容各页面遗留的内联样式覆盖 ---------- */
/* 历史页面内联的 2px #e5e7eb 边框 → 统一为玻璃风格 */
.admin-table-container input[style*="border:2px solid #e5e7eb"],
.admin-table-container textarea[style*="border:2px solid #e5e7eb"],
.admin-modal-body input[style*="border:2px solid #e5e7eb"],
.admin-modal-body textarea[style*="border:2px solid #e5e7eb"] {
  border: 1px solid var(--glass-border-strong) !important;
  border-radius: 11px !important;
  background: var(--surface-2) !important;
}