/* =========================================================
   默鑫打卡助手 · 管理后台全局样式
   设计语言：清爽蓝调 · 圆角卡片 · 柔和阴影 · 微动效
   ========================================================= */
:root {
  --primary: #2b7fff;
  --primary-light: #5b9bff;
  --primary-dark: #1e5fd6;
  --primary-bg: rgba(43, 127, 255, 0.10);
  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.12);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.12);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.12);
  --info: #64748b;
  --bg: #f0f3f9;
  --sidebar-bg: #1b2a44;
  --sidebar-text: #93a5c1;
  --header-bg: rgba(255, 255, 255, 0.82);
  --border: #e5eaf3;
  --text: #1f2937;
  --text-2: #6b7280;
  --text-3: #9ca3af;
  --card-bg: #ffffff;
  --card-shadow: 0 1px 3px rgba(16, 24, 40, 0.05), 0 4px 16px rgba(16, 24, 40, 0.05);
  --card-shadow-hover: 0 10px 26px rgba(30, 80, 200, 0.13);
  --radius: 14px;
  --radius-sm: 8px;
  --grad-primary: linear-gradient(135deg, #2b7fff, #1E9FFF);
  --grad-brand: linear-gradient(135deg, #2b7fff, #7c5cff);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

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

/* ======== 滚动条 ======== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #c7d2e0; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #a8b7cb; }

/* =========================================================
   登录页
   ========================================================= */
.login-wrapper {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0d1b33 0%, #17356e 48%, #1e4fb8 100%);
}
.login-wrapper::before,
.login-wrapper::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  pointer-events: none;
}
.login-wrapper::before { width: 420px; height: 420px; background: #2b7fff; top: -140px; left: -120px; }
.login-wrapper::after { width: 360px; height: 360px; background: #7c5cff; bottom: -130px; right: -100px; }

.login-decoration { position: absolute; border-radius: 50%; filter: blur(60px); opacity: 0.22; pointer-events: none; animation: loginFloat 9s ease-in-out infinite; }
.login-decoration.deco-1 { width: 260px; height: 260px; background: #06b6d4; top: 18%; left: 58%; }
.login-decoration.deco-2 { width: 160px; height: 160px; background: #f59e0b; top: 66%; left: 18%; animation-delay: -4s; opacity: 0.14; }

@keyframes loginFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(26px); }
}

.login-box {
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, 0.97);
  border-radius: 20px;
  padding: 42px 40px 34px;
  width: 420px;
  max-width: 92vw;
  box-shadow: 0 24px 64px rgba(6, 15, 35, 0.45);
  animation: modalIn 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.login-logo {
  width: 62px; height: 62px;
  margin: 0 auto 18px;
  border-radius: 18px;
  background: var(--grad-brand);
  color: #fff;
  font-size: 28px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px rgba(43, 127, 255, 0.35);
}

.login-box h2 { text-align: center; font-size: 22px; font-weight: 800; color: var(--text); letter-spacing: 1px; }
.login-sub { text-align: center; color: var(--text-3); font-size: 13px; margin: 6px 0 26px; letter-spacing: 4px; }

.login-box .form-group { margin-bottom: 18px; }
.login-box .form-group label { display: block; margin-bottom: 7px; color: var(--text-2); font-size: 13px; font-weight: 600; }

.input-wrap { position: relative; }
.input-wrap .input-icon {
  position: absolute; left: 13px; top: 50%; transform: translateY(-50%);
  font-size: 15px; opacity: 0.5; pointer-events: none;
}
.login-box .form-group input {
  width: 100%;
  padding: 11px 14px 11px 38px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  background: #f6f8fc;
  outline: none;
  transition: all 0.25s;
}
.login-box .form-group input:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(43, 127, 255, 0.12);
}

.login-box .captcha-row { display: flex; gap: 10px; }
.login-box .captcha-row input { flex: 1; }
.login-box .captcha-row .captcha-img {
  cursor: pointer;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
}
.login-box .captcha-row .captcha-img:hover { border-color: var(--primary); }
.login-box .captcha-row .captcha-img svg {
  display: block;
  width: 100%;
  height: 100%;
}

.login-box .login-btn {
  width: 100%;
  padding: 13px;
  background: var(--grad-primary);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 8px;
  text-indent: 8px;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(43, 127, 255, 0.3);
  transition: all 0.25s;
}
.login-box .login-btn:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(43, 127, 255, 0.42); }
.login-box .login-btn:active { transform: translateY(0); }

.login-box .error-msg { color: var(--danger); font-size: 13px; margin-top: 12px; text-align: center; min-height: 20px; }

.login-footer {
  position: absolute;
  bottom: 18px;
  left: 0; right: 0;
  text-align: center;
  color: rgba(255, 255, 255, 0.4);
  font-size: 12px;
  letter-spacing: 1px;
  z-index: 2;
}

/* =========================================================
   侧边栏
   ========================================================= */
.sidebar {
  position: fixed; left: 0; top: 0; bottom: 0;
  width: 224px;
  background: linear-gradient(180deg, #1e2f4e 0%, #16233a 100%);
  z-index: 100;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar .logo {
  padding: 24px 16px 20px;
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 2px;
  text-align: center;
  background: linear-gradient(90deg, #ffffff, #9cc3ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  position: sticky; top: 0;
  backdrop-filter: blur(6px);
}

.nav-group-title {
  padding: 16px 24px 6px;
  font-size: 11px;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.32);
  user-select: none;
}

.sidebar .nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 2px 12px;
  padding: 10px 12px;
  color: var(--sidebar-text);
  font-size: 13.5px;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 10px;
  position: relative;
}
.sidebar .nav-item:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }

.sidebar .nav-item .icon {
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
  transition: all 0.25s;
  flex-shrink: 0;
}

.sidebar .nav-item.active {
  color: #fff;
  font-weight: 600;
  background: linear-gradient(90deg, rgba(43, 127, 255, 0.3), rgba(43, 127, 255, 0.08));
}
.sidebar .nav-item.active::before {
  content: '';
  position: absolute;
  left: -12px; top: 50%;
  transform: translateY(-50%);
  width: 3px; height: 22px;
  border-radius: 3px;
  background: var(--grad-brand);
}
.sidebar .nav-item.active .icon { background: var(--grad-brand); color: #fff; }

/* =========================================================
   主内容区
   ========================================================= */
.main-content { margin-left: 224px; min-height: 100vh; }

.header {
  position: sticky; top: 0; z-index: 60;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 13px 28px;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 6px rgba(16, 24, 40, 0.04);
  display: flex; justify-content: space-between; align-items: center;
}

.header .page-title {
  display: flex; align-items: center; gap: 9px;
  font-size: 17px; font-weight: 700; color: var(--text);
}
.header .page-title::before {
  content: '';
  width: 4px; height: 18px;
  border-radius: 2px;
  background: var(--grad-brand);
}

.header .user-info { font-size: 13.5px; color: var(--text-2); display: flex; align-items: center; gap: 12px; }
.header .user-info > span:first-child { font-weight: 600; color: var(--text); }
.header .user-info .badge {
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--primary-bg);
  color: var(--primary);
}
.header .user-info .logout-btn { color: var(--primary); cursor: pointer; font-weight: 500; transition: all 0.2s; }
.header .user-info .logout-btn:hover { color: var(--danger); }

.content-body { padding: 22px 26px 30px; }

/* =========================================================
   数据卡片
   ========================================================= */
.card-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 18px; margin-bottom: 22px; }

.stat-card {
  position: relative;
  overflow: hidden;
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--card-shadow);
  border: 1px solid rgba(229, 234, 243, 0.7);
  transition: transform 0.25s, box-shadow 0.25s;
}
.stat-card::after {
  content: '';
  position: absolute;
  right: -26px; top: -26px;
  width: 110px; height: 110px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 127, 255, 0.09), transparent 70%);
  pointer-events: none;
}
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--card-shadow-hover); }

.stat-card .stat-value {
  font-size: 30px; font-weight: 800;
  line-height: 1.25;
  background: linear-gradient(135deg, #2b7fff, #6aa5ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-card:nth-child(2) .stat-value { background: linear-gradient(135deg, #16a34a, #4ade80); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-card:nth-child(3) .stat-value { background: linear-gradient(135deg, #7c3aed, #a78bfa); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-card:nth-child(4) .stat-value { background: linear-gradient(135deg, #f59e0b, #fbbf24); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-card:nth-child(5) .stat-value { background: linear-gradient(135deg, #ef4444, #f87171); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

.stat-card .stat-label { font-size: 13px; color: var(--text-3); font-weight: 500; letter-spacing: 0.5px; }

.stat-card .stat-icon {
  float: right;
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  background: linear-gradient(135deg, rgba(43, 127, 255, 0.13), rgba(43, 127, 255, 0.05));
}
.stat-card:nth-child(2) .stat-icon { background: linear-gradient(135deg, rgba(34, 197, 94, 0.13), rgba(34, 197, 94, 0.05)); }
.stat-card:nth-child(3) .stat-icon { background: linear-gradient(135deg, rgba(124, 58, 237, 0.13), rgba(124, 58, 237, 0.05)); }
.stat-card:nth-child(4) .stat-icon { background: linear-gradient(135deg, rgba(245, 158, 11, 0.16), rgba(245, 158, 11, 0.06)); }
.stat-card:nth-child(5) .stat-icon { background: linear-gradient(135deg, rgba(239, 68, 68, 0.13), rgba(239, 68, 68, 0.05)); }

/* =========================================================
   筛选栏
   ========================================================= */
.filter-bar {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  border: 1px solid rgba(229, 234, 243, 0.7);
  margin-bottom: 18px;
  padding: 18px 20px;
  display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end;
}
.filter-bar .filter-item { display: flex; flex-direction: column; gap: 6px; }
.filter-bar .filter-item label { font-size: 12px; color: var(--text-3); font-weight: 600; letter-spacing: 0.5px; }
.filter-bar .filter-item input,
.filter-bar .filter-item select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: #f8fafc;
  color: var(--text);
  outline: none;
  transition: all 0.2s;
}
.filter-bar .filter-item input:hover,
.filter-bar .filter-item select:hover { border-color: #cbd5e1; }
.filter-bar .filter-item input:focus,
.filter-bar .filter-item select:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(43, 127, 255, 0.12);
}
.filter-bar .filter-actions { display: flex; gap: 8px; align-items: flex-end; padding-bottom: 2px; }

/* =========================================================
   表格
   ========================================================= */
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border);
}
table th {
  background: linear-gradient(180deg, #f8fafd, #f1f5fb);
  padding: 12px 16px;
  text-align: left;
  font-size: 12.5px;
  color: var(--text-2);
  font-weight: 600;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
table td { padding: 11px 16px; font-size: 13px; border-bottom: 1px solid #f0f3f8; word-break: break-word; }
table tbody tr:nth-child(even) td { background: #fafbfe; }
table tbody tr:last-child td { border-bottom: none; }
table tbody tr:hover td { background: #f0f6ff; }
table tbody tr.alarm-overdue:hover td { background: #fdeaea !important; }

.status-badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.status-badge.active { background: linear-gradient(135deg, #e8f9ef, #d7f5e4); color: #16a34a; }
.status-badge.inactive { background: linear-gradient(135deg, #feeaea, #fde2e2); color: #ef4444; }
.status-badge.danger { background: linear-gradient(135deg, #feeaea, #fde2e2); color: #ef4444; }
.status-badge.warning { background: linear-gradient(135deg, #fef3e2, #fde8ce); color: #d97706; }
.status-badge.info { background: linear-gradient(135deg, #e8f1fe, #dcebfe); color: #2b7fff; }

/* 勾选框 */
.alarm-check { width: 16px; height: 16px; accent-color: var(--primary); cursor: pointer; }
table input[type="checkbox"] { width: 15px; height: 15px; accent-color: var(--primary); cursor: pointer; }

/* =========================================================
   按钮
   ========================================================= */
.btn {
  display: inline-block;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.05);
  transition: all 0.2s;
}
.btn:hover { opacity: 1; transform: translateY(-1px); box-shadow: 0 6px 14px rgba(16, 24, 40, 0.1); border-color: transparent; }
.btn:active { transform: translateY(0); box-shadow: none; }

.btn-primary { background: var(--grad-primary); color: #fff; border-color: transparent; box-shadow: 0 4px 12px rgba(43, 127, 255, 0.25); }
.btn-primary:hover { box-shadow: 0 8px 18px rgba(43, 127, 255, 0.38); }
.btn-success { background: linear-gradient(135deg, #22c55e, #34d399); color: #fff; border-color: transparent; box-shadow: 0 4px 12px rgba(34, 197, 94, 0.25); }
.btn-success:hover { box-shadow: 0 8px 18px rgba(34, 197, 94, 0.38); }
.btn-warning { background: linear-gradient(135deg, #f59e0b, #fbbf24); color: #fff; border-color: transparent; box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25); }
.btn-warning:hover { box-shadow: 0 8px 18px rgba(245, 158, 11, 0.38); }
.btn-danger { background: linear-gradient(135deg, #ef4444, #f87171); color: #fff; border-color: transparent; box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25); }
.btn-danger:hover { box-shadow: 0 8px 18px rgba(239, 68, 68, 0.38); }
.btn-info { background: linear-gradient(135deg, #64748b, #94a3b8); color: #fff; border-color: transparent; }
.btn-info:hover { box-shadow: 0 6px 14px rgba(100, 116, 139, 0.35); }

.btn-sm { padding: 5px 12px; font-size: 12px; border-radius: 7px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

/* =========================================================
   分页
   ========================================================= */
.pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 18px; font-size: 13px; flex-wrap: wrap; }
.pagination .page-btn {
  padding: 6px 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: #fff;
  color: var(--text-2);
  font-size: 13px;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
  transition: all 0.2s;
}
.pagination .page-btn:hover:not(:disabled):not(.active) { border-color: var(--primary); color: var(--primary); }
.pagination .page-btn.active {
  background: var(--grad-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 10px rgba(43, 127, 255, 0.3);
}
.pagination .page-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.pagination .page-jump-input {
  width: 52px;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  text-align: center;
  outline: none;
  transition: all 0.2s;
  background: #fff;
  color: var(--text);
}
.pagination .page-jump-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(43, 127, 255, 0.12); }

/* =========================================================
   模态框
   ========================================================= */
.modal-overlay {
  display: none;
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 200;
  align-items: center; justify-content: center;
}
.modal-overlay.show { display: flex; }

.modal-box {
  background: #fff;
  border-radius: 16px;
  padding: 26px 28px;
  width: 520px;
  max-width: 92vw;
  max-height: 82vh;
  overflow-y: auto;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.28);
  animation: modalIn 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-box h3 {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  font-size: 16px; font-weight: 700; color: var(--text);
}
.modal-box .form-group { margin-bottom: 16px; }
.modal-box .form-group label { display: block; margin-bottom: 6px; font-size: 13px; color: var(--text-2); font-weight: 500; }
.modal-box .form-group input:not([type="checkbox"]):not([type="radio"]),
.modal-box .form-group select,
.modal-box .form-group textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: #f8fafc;
  outline: none;
  transition: all 0.2s;
}
.modal-box .form-group input:not([type="checkbox"]):not([type="radio"]):focus,
.modal-box .form-group select:focus,
.modal-box .form-group textarea:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(43, 127, 255, 0.12);
}
.modal-box .form-group input[type="checkbox"] { width: auto; height: auto; padding: 0; margin: 0; flex: none; }
.modal-box .form-group textarea { min-height: 80px; resize: vertical; }
.modal-box .form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }

@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: none; }
}

/* =========================================================
   Toast 提示
   ========================================================= */
.toast {
  position: fixed;
  top: 24px; left: 50%;
  transform: translateX(-50%) translateY(-12px);
  padding: 10px 22px;
  border-radius: 10px;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  z-index: 9999;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.28);
  opacity: 0;
  animation: toastIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  pointer-events: none;
  letter-spacing: 0.5px;
}
.toast.toast-info { background: var(--grad-primary); }
.toast.toast-success { background: linear-gradient(135deg, #16a34a, #22c55e); }
.toast.toast-warning { background: linear-gradient(135deg, #d97706, #f59e0b); }
.toast.toast-error { background: linear-gradient(135deg, #dc2626, #ef4444); }
@keyframes toastIn {
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* =========================================================
   ECharts 容器
   ========================================================= */
.chart-container {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--card-shadow);
  border: 1px solid rgba(229, 234, 243, 0.7);
  margin-bottom: 18px;
}
.chart-container .chart-title {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  font-size: 15px; font-weight: 700; margin-bottom: 14px; color: var(--text);
}
.chart-container .chart-title > span:first-child::before,
.chart-container .chart-title:not(:has(span))::before {
  content: '';
  display: inline-block;
  width: 3px; height: 14px;
  border-radius: 2px;
  margin-right: 8px;
  background: var(--grad-brand);
  vertical-align: -2px;
}
.chart-box { width: 100%; height: 320px; }

/* =========================================================
   AI 分析页
   ========================================================= */
.ai-result {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px 26px;
  box-shadow: var(--card-shadow);
  border: 1px solid rgba(229, 234, 243, 0.7);
  margin-top: 18px;
  min-height: 200px;
  white-space: pre-wrap;
  line-height: 1.9;
  font-size: 14px;
  color: var(--text);
}
.ai-result.loading { display: flex; align-items: center; justify-content: center; color: var(--text-3); min-height: 120px; }
.ai-result .section-title { font-weight: 700; color: var(--primary); margin-top: 18px; margin-bottom: 8px; font-size: 15px; }
.ai-result .risk-high { color: var(--danger); font-weight: 600; }

/* =========================================================
   报警超时标红
   ========================================================= */
.alarm-overdue td { background: #fef0f0 !important; }
.alarm-overdue .status-badge { background: #fde2e2; color: #ef4444; }

/* =========================================================
   首页未打卡标签
   ========================================================= */
.unclocked-tag {
  display: inline-block;
  margin: 4px 8px 4px 0;
  padding: 5px 14px;
  background: #fff5f5;
  border: 1px solid #fecaca;
  border-radius: 999px;
  color: #ef4444;
  font-weight: 500;
  font-size: 13px;
}

/* =========================================================
   图片预览（弹窗放大 + 滚轮缩放）
   ========================================================= */
.preview-wrapper {
  position: relative;
  background: rgba(13, 20, 33, 0.92);
  border-radius: 14px;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.preview-close {
  position: absolute;
  top: 0; right: 10px;
  font-size: 32px;
  color: #fff;
  cursor: pointer;
  line-height: 1;
  user-select: none;
  z-index: 10;
}
.preview-close:hover { opacity: 0.8; }
.preview-img-container {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  max-width: 100%;
  max-height: 70vh;
}
#previewImg {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  cursor: grab;
  transform-origin: 0 0;
}
.preview-zoom-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}
.preview-zoom-bar button {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  padding: 5px 14px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1.4;
  transition: all 0.2s;
}
.preview-zoom-bar button:hover { background: rgba(255, 255, 255, 0.28); }
#previewZoomLevel {
  color: #fff;
  font-size: 13px;
  min-width: 44px;
  text-align: center;
}

/* =========================================================
   通用表单（非模态框场景，如系统配置页）
   ========================================================= */
.form-group label { display: block; margin-bottom: 6px; font-size: 13px; color: var(--text-2); font-weight: 500; }
.manager-display {
  padding: 9px 12px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 13px;
  min-height: 18px;
}
.form-input {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: #f8fafc;
  outline: none;
  transition: all 0.2s;
}
.form-input:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(43, 127, 255, 0.12);
}
.config-info-box {
  padding: 10px 14px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text);
}
.config-info-hint { font-size: 12px; color: var(--text-3); margin-top: 6px; }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1024px) {
  .card-row { grid-template-columns: repeat(2, 1fr); }
  .chart-row { grid-template-columns: 1fr !important; }
}

@media (max-width: 768px) {
  .sidebar { width: 62px; }
  .sidebar .logo { font-size: 0; padding: 18px 10px; letter-spacing: 0; }
  .sidebar .logo::after { content: '默'; font-size: 18px; color: #fff; -webkit-text-fill-color: currentColor; }
  .sidebar .nav-item { margin: 2px 8px; padding: 11px; justify-content: center; }
  .sidebar .nav-item span:not(.icon) { display: none; }
  .sidebar .nav-item .icon { font-size: 17px; width: 30px; height: 30px; }
  .nav-group-title { text-align: center; padding: 14px 0 4px; font-size: 0; }
  .nav-group-title::first-letter { font-size: 11px; }
  .main-content { margin-left: 62px; }
  .header { padding: 11px 16px; }
  .content-body { padding: 16px; }
  .card-row { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat-card { padding: 16px; }
  .stat-card .stat-value { font-size: 24px; }
}

/* =========================================================
   首页看板（dashboard.ejs 专属样式）
   ========================================================= */
.dash-banner {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  margin-bottom: 18px;
  border-radius: var(--radius);
  background: linear-gradient(120deg, #1e5fd6 0%, #2b7fff 45%, #7c5cff 120%);
  box-shadow: 0 10px 26px rgba(43, 127, 255, 0.28);
  color: #fff;
}
.dash-banner::before,
.dash-banner::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  pointer-events: none;
}
.dash-banner::before { width: 190px; height: 190px; right: 100px; top: -80px; }
.dash-banner::after { width: 130px; height: 130px; right: 250px; bottom: -70px; background: rgba(255, 255, 255, 0.07); }
.dash-banner-title { font-size: 20px; font-weight: 800; letter-spacing: 0.5px; position: relative; }
.dash-banner-date { margin-top: 6px; font-size: 13px; color: rgba(255, 255, 255, 0.75); letter-spacing: 1px; position: relative; }

.dash-rate { display: flex; flex-direction: column; align-items: center; gap: 6px; position: relative; }
.dash-rate-ring {
  width: 62px; height: 62px;
  border-radius: 50%;
  background: conic-gradient(#2b7fff 0%, rgba(255, 255, 255, 0.35) 0);
  display: flex; align-items: center; justify-content: center;
  position: relative;
  box-shadow: 0 4px 12px rgba(13, 27, 51, 0.25);
}
.dash-rate-ring::before {
  content: '';
  position: absolute; inset: 6px;
  background: #fff;
  border-radius: 50%;
}
.dash-rate-ring span { position: relative; z-index: 1; font-size: 14px; font-weight: 800; color: #1f2937; }
.dash-rate-label { font-size: 12px; color: rgba(255, 255, 255, 0.85); letter-spacing: 1px; }

/* 统计卡片（首页布局：图标右侧） */
.dash-card { display: flex; align-items: center; justify-content: space-between; padding: 20px 22px; }
.dash-card .stat-icon {
  float: none;
  width: 52px; height: 52px;
  font-size: 24px;
  border-radius: 14px;
  box-shadow: 0 6px 14px rgba(16, 24, 40, 0.07);
  flex-shrink: 0;
}
.dash-card .stat-label { margin-bottom: 6px; font-size: 13px; color: var(--text-3); }
.dash-card .stat-value { font-size: 30px; }

/* 未打卡警示卡片 */
.dash-alert { border-left: 4px solid #f87171; }
.dash-alert-title { color: #dc2626; }
.dash-alert-title::before {
  content: '';
  display: inline-block;
  width: 3px; height: 14px;
  border-radius: 2px;
  margin-right: 8px;
  background: linear-gradient(180deg, #f87171, #dc2626);
  vertical-align: -2px;
}
.dash-alert-count {
  margin-left: auto;
  padding: 2px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, #fee2e2, #fecaca);
  color: #dc2626;
  font-size: 12px;
  font-weight: 700;
}
.dash-tag-list { padding: 6px 0 2px; font-size: 14px; }
.unclocked-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 5px 10px 5px 0;
  padding: 5px 14px 5px 5px;
  background: #fff;
  border: 1px solid #fecaca;
  border-radius: 999px;
  color: #dc2626;
  font-weight: 500;
  font-size: 13px;
  box-shadow: 0 2px 6px rgba(239, 68, 68, 0.08);
  transition: all 0.2s;
  cursor: default;
}
.unclocked-tag:hover { transform: translateY(-2px); box-shadow: 0 6px 14px rgba(239, 68, 68, 0.16); border-color: #f87171; }
.unclocked-avatar {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f87171, #dc2626);
  color: #fff;
  font-size: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

/* 图表行 */
.chart-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.chart-row .chart-container { margin-bottom: 0; }

/* 入场动画（仅首页） */
.dash-page .stat-card,
.dash-page .chart-container,
.dash-banner { animation: fadeUp 0.45s ease both; }
.dash-page .stat-card:nth-child(2) { animation-delay: 0.06s; }
.dash-page .stat-card:nth-child(3) { animation-delay: 0.12s; }
.dash-page .stat-card:nth-child(4) { animation-delay: 0.18s; }
.dash-page #unclockedContainer { animation-delay: 0.1s; }
.dash-page .chart-row .chart-container:nth-child(1) { animation-delay: 0.14s; }
.dash-page .chart-row .chart-container:nth-child(2) { animation-delay: 0.2s; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 1024px) {
  .chart-row { grid-template-columns: 1fr !important; }
  .chart-row .chart-container { margin-bottom: 18px; }
}

@media (max-width: 768px) {
  .dash-banner { padding: 18px 20px; }
  .dash-banner-title { font-size: 17px; }
  .dash-card { padding: 16px; }
  .dash-card .stat-icon { width: 44px; height: 44px; font-size: 20px; }
}