/* ============================================================
   安巡智控 - 管理后台样式
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;
  --info: #0891b2;
  --sidebar-bg: #111827;
  --sidebar-hover: #1f2937;
  --text-main: #1f2937;
  --text-sub: #6b7280;
  --border: #e5e7eb;
  --bg: #f3f4f6;
  --card-bg: #ffffff;
}

html, body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  color: var(--text-main);
  background: var(--bg);
}

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

/* ---------------- 登录页 ---------------- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 60%, #3b82f6 100%);
}
.login-box {
  width: 380px;
  background: #fff;
  border-radius: 12px;
  padding: 40px 36px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}
.login-box .logo { text-align: center; margin-bottom: 28px; }
.login-box .logo h1 { font-size: 26px; color: var(--primary); letter-spacing: 2px; }
.login-box .logo p { color: var(--text-sub); margin-top: 6px; font-size: 13px; }
.form-item { margin-bottom: 18px; }
.form-item label { display: block; margin-bottom: 6px; color: var(--text-sub); font-size: 13px; }
.form-item input {
  width: 100%;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0 12px;
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
}
.form-item input:focus { border-color: var(--primary); }
.login-btn {
  width: 100%;
  height: 42px;
  border: none;
  border-radius: 6px;
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  cursor: pointer;
  margin-top: 6px;
}
.login-btn:hover { background: var(--primary-dark); }
.login-tip { margin-top: 14px; font-size: 12px; color: var(--text-sub); text-align: center; line-height: 1.8; }

/* ---------------- 主框架 ---------------- */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px;
  background: var(--sidebar-bg);
  color: #d1d5db;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}
.sidebar .brand {
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 2px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.sidebar .brand small { display: block; font-size: 11px; font-weight: 400; color: #9ca3af; letter-spacing: 1px; margin-top: 2px; }
.sidebar nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.menu-group { padding: 14px 20px 6px; font-size: 12px; color: #6b7280; }
.menu-item {
  display: flex;
  align-items: center;
  padding: 11px 20px;
  color: #d1d5db;
  cursor: pointer;
  gap: 10px;
  border-left: 3px solid transparent;
  transition: background .15s;
}
.menu-item svg { flex-shrink: 0; }
.menu-item:hover { background: var(--sidebar-hover); color: #fff; }
.menu-item.active { background: var(--sidebar-hover); border-left-color: var(--primary); color: #fff; }
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  height: 60px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}
.topbar .page-title { font-size: 17px; font-weight: 600; }
.topbar .user-info { display: flex; align-items: center; gap: 14px; color: var(--text-sub); }
.topbar .user-info .logout { cursor: pointer; color: var(--danger); }
.content { padding: 20px 24px; flex: 1; overflow-y: auto; }

/* ---------------- 卡片与统计 ---------------- */
.card {
  background: var(--card-bg);
  border-radius: 10px;
  border: 1px solid var(--border);
  margin-bottom: 18px;
}
.card-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.card-body { padding: 18px; }
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 18px;
}
.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.stat-card .icon {
  width: 46px; height: 46px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 20px; font-weight: 700;
}
.stat-card .num { font-size: 24px; font-weight: 700; line-height: 1.2; }
.stat-card .label { color: var(--text-sub); font-size: 13px; }
.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 1100px) { .chart-grid { grid-template-columns: 1fr; } }

/* ---------------- 表格 ---------------- */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th {
  background: #f9fafb;
  text-align: left;
  padding: 10px 12px;
  font-weight: 600;
  color: var(--text-sub);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.table td {
  padding: 10px 12px;
  border-bottom: 1px solid #f3f4f6;
  vertical-align: middle;
}
.table tr:hover td { background: #f9fafb; }
.table .thumb { width: 52px; height: 52px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); }
.empty-tip { text-align: center; color: var(--text-sub); padding: 30px 0; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--text-main);
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-success { background: var(--success); border-color: var(--success); color: #fff; }
.btn-success:hover { filter: brightness(1.1); color: #fff; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(1.1); color: #fff; }
.btn-sm { padding: 4px 9px; font-size: 12px; }
.btn-link { border: none; background: none; color: var(--primary); cursor: pointer; font-size: 13px; padding: 2px 4px; }
.btn-link.danger { color: var(--danger); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------------- 表单 ---------------- */
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 14px; }
.toolbar input[type=text], .toolbar input[type=date], .toolbar select {
  height: 34px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0 10px;
  font-size: 13px;
  outline: none;
  background: #fff;
  min-width: 130px;
}
.toolbar input:focus, .toolbar select:focus { border-color: var(--primary); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 20px; }
.form-grid .full { grid-column: 1 / -1; }
.form-grid label { display: block; margin-bottom: 5px; color: var(--text-sub); font-size: 13px; }
.form-grid input, .form-grid select, .form-grid textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 13px;
  outline: none;
  background: #fff;
  font-family: inherit;
}
.form-grid textarea { min-height: 70px; resize: vertical; }
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus { border-color: var(--primary); }

/* ---------------- 弹窗 ---------------- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(17, 24, 39, .5);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
.modal {
  background: #fff;
  border-radius: 10px;
  width: 560px;
  max-width: 92vw;
  max-height: 88vh;
  display: flex; flex-direction: column;
  box-shadow: 0 20px 50px rgba(0,0,0,.2);
}
.modal.lg { width: 760px; }
.modal-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 15px; font-weight: 600;
  display: flex; justify-content: space-between; align-items: center;
}
.modal-close { cursor: pointer; color: var(--text-sub); font-size: 20px; line-height: 1; }
.modal-body { padding: 18px; overflow-y: auto; flex: 1; }
.modal-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 10px;
}
.detail-list { font-size: 13px; }
.detail-list .row { display: flex; padding: 6px 0; border-bottom: 1px dashed #f3f4f6; }
.detail-list .row .k { width: 110px; color: var(--text-sub); flex-shrink: 0; }
.detail-list .row .v { flex: 1; word-break: break-all; }

/* ---------------- 标签 ---------------- */
.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 10px;
  font-size: 12px;
  white-space: nowrap;
}
.badge-blue   { background: #dbeafe; color: #1d4ed8; }
.badge-green  { background: #dcfce7; color: #15803d; }
.badge-orange { background: #ffedd5; color: #c2410c; }
.badge-red    { background: #fee2e2; color: #b91c1c; }
.badge-gray   { background: #f3f4f6; color: #4b5563; }
.badge-purple { background: #ede9fe; color: #6d28d9; }
.badge-cyan   { background: #cffafe; color: #0e7490; }

/* ---------------- 分页 ---------------- */
.pagination { display: flex; gap: 6px; justify-content: flex-end; margin-top: 14px; align-items: center; flex-wrap: wrap; }
.pagination .page-btn {
  min-width: 30px; height: 30px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
  font-size: 13px;
  padding: 0 6px;
}
.pagination .page-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.pagination .page-btn:disabled { opacity: .4; cursor: not-allowed; }
.pagination .page-info { color: var(--text-sub); font-size: 12px; margin-right: 8px; }

/* ---------------- 其他 ---------------- */
.tabs { display: flex; border-bottom: 2px solid var(--border); margin-bottom: 16px; gap: 4px; }
.tabs .tab {
  padding: 9px 18px;
  cursor: pointer;
  color: var(--text-sub);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  font-size: 14px;
}
.tabs .tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.toast {
  position: fixed; top: 20px; left: 50%; transform: translateX(-50%);
  background: #111827; color: #fff;
  padding: 10px 22px; border-radius: 8px;
  z-index: 2000; font-size: 13px;
  box-shadow: 0 6px 20px rgba(0,0,0,.2);
  animation: toastIn .25s ease;
}
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, -10px); } to { opacity: 1; transform: translate(-50%, 0); } }
.img-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.img-grid img { width: 80px; height: 80px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); }
.timeline { padding-left: 4px; }
.timeline .item { position: relative; padding: 0 0 14px 22px; border-left: 2px solid var(--border); }
.timeline .item:last-child { border-left-color: transparent; padding-bottom: 0; }
.timeline .item::before {
  content: ""; position: absolute; left: -5px; top: 2px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--primary);
}
.timeline .item .t-action { font-weight: 600; font-size: 13px; }
.timeline .item .t-meta { color: var(--text-sub); font-size: 12px; margin-top: 3px; }
.timeline .item .t-remark { font-size: 13px; margin-top: 3px; color: var(--text-main); }