:root {
  --primary: #1a73e8;
  --primary-soft: #e8f0fe;
  --page-bg: #f5f7fa;
  --card: #ffffff;
  --text: #1a1a2e;
  --muted: #8f96a3;
  --subtle: #667085;
  --border: #e7ebf0;
  --success: #27ae60;
  --warning: #f39c12;
  --danger: #e74c3c;
  --info: #3498db;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.18);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--page-bg); }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--page-bg);
  color: #333;
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
button, input, select, textarea { font: inherit; }
button { color: inherit; }
button:disabled { cursor: not-allowed; opacity: .55; }
:focus-visible { outline: 3px solid rgba(26, 115, 232, .28); outline-offset: 2px; }

.sidebar {
  position: fixed;
  z-index: 100;
  inset: 0 auto 0 0;
  width: 153px;
  display: flex;
  flex-direction: column;
  background: var(--card);
  border-right: 1px solid var(--border);
}
.logo-area {
  height: 54px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 17px;
  border-bottom: 1px solid var(--border);
}
.logo-icon { width: 28px; height: 30px; object-fit: contain; }
.logo-text { color: var(--primary); font-size: 14px; font-weight: 700; white-space: nowrap; }
.nav-menu { list-style: none; padding: 8px 0; margin: 0; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  padding: 0 17px;
  border-left: 3px solid transparent;
  color: #60656e;
  cursor: pointer;
  font-size: 12px;
  transition: background .18s, color .18s, border-color .18s;
}
.nav-item svg { width: 15px; height: 15px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.nav-item:hover { color: var(--primary); background: #f4f8ff; }
.nav-item.active { color: var(--primary); font-weight: 600; background: var(--primary-soft); border-left-color: var(--primary); }

.main-content { min-height: 100vh; margin-left: 153px; }
.top-bar {
  position: sticky;
  z-index: 50;
  top: 0;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 23px;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.page-title h1 { margin: 0; color: var(--text); font-size: 15px; line-height: 1.2; font-weight: 650; }
.breadcrumb { display: block; margin-top: 2px; color: #a2a7af; font-size: 9px; }
.top-actions { display: flex; align-items: center; gap: 14px; }
.search-box {
  position: relative;
  display: flex;
  align-items: center;
  gap: 7px;
  width: 168px;
  height: 28px;
  padding: 0 10px;
  background: #f6f8fa;
  border: 1px solid var(--border);
  border-radius: 7px;
}
.search-box > svg { width: 13px; height: 13px; flex: 0 0 auto; fill: none; stroke: #9aa1ab; stroke-width: 1.8; stroke-linecap: round; }
.search-box input { width: 100%; min-width: 0; padding: 0; border: 0; outline: 0; color: var(--text); background: transparent; font-size: 10px; }
.search-box input::placeholder { color: #a4a9b1; }
.search-results {
  position: absolute;
  z-index: 300;
  top: calc(100% + 7px);
  left: 0;
  right: 0;
  width: 258px;
  overflow: hidden;
  padding: 5px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: #fff;
  box-shadow: var(--shadow-lg);
}
.search-results button, .search-empty { display: block; width: 100%; padding: 8px 9px; border: 0; border-radius: 6px; text-align: left; background: transparent; }
.search-results button:hover { background: #f2f7ff; }
.search-results strong, .search-results small { display: block; }
.search-results strong { color: var(--text); font-size: 11px; }
.search-results small, .search-empty { color: var(--muted); font-size: 10px; }
.icon-button {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 0;
  border-radius: 7px;
  background: transparent;
  cursor: pointer;
}
.icon-button:hover { background: #f1f5fa; }
.icon-button svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.icon-button.compact { width: 25px; height: 25px; border: 1px solid var(--border); background: rgba(255,255,255,.82); color: #748094; font-size: 15px; }
.notification-bell { color: #69717e; }
.badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 15px;
  height: 15px;
  padding: 0 4px;
  border-radius: 10px;
  color: #fff;
  background: var(--danger);
  font-size: 9px;
  line-height: 15px;
  font-weight: 700;
}
.user-info {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-size: 11px;
}
.avatar { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; color: #fff; background: var(--primary); font-size: 11px; font-weight: 700; }
.user-info > span:last-child { color: #69717e; }

.page-content { padding: 18px 22px 26px; }
.page { display: none; }
.page.active { display: block; }
.kpi-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 13px; margin-bottom: 16px; }
.kpi-card {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 66px;
  gap: 10px;
  padding: 13px 12px;
  overflow: hidden;
  border: 1px solid rgba(231, 235, 240, .9);
  border-radius: 10px;
  background: var(--card);
  box-shadow: var(--shadow);
}
.kpi-icon { display: grid; place-items: center; width: 34px; height: 34px; flex: 0 0 auto; border-radius: 9px; color: #fff; }
.kpi-icon.blue { background: #478fd2; }
.kpi-icon.red { background: var(--danger); }
.kpi-icon.green { background: var(--success); }
.kpi-icon.orange { background: var(--warning); }
.kpi-symbol { font-size: 20px; line-height: 1; font-weight: 400; }
.kpi-info { display: flex; min-width: 0; flex-direction: column; }
.kpi-value { color: var(--text); font-size: 20px; line-height: 1.15; font-weight: 700; }
.kpi-label { margin-top: 2px; color: var(--muted); font-size: 9px; white-space: nowrap; }
.kpi-trend { position: absolute; top: 10px; right: 10px; padding: 2px 5px; border-radius: 4px; font-size: 8px; white-space: nowrap; }
.kpi-trend.up { color: var(--success); background: #e8f8ef; }
.kpi-trend.down { color: #e67e22; background: #fff3e8; }

.dashboard-main { display: grid; grid-template-columns: minmax(0, 1fr) 239px; gap: 13px; margin-bottom: 16px; }
.map-container, .alarm-sidebar, .vehicle-list-panel, .chart-card, .table-card {
  min-width: 0;
  border: 1px solid rgba(231, 235, 240, .92);
  border-radius: 10px;
  background: var(--card);
  box-shadow: var(--shadow);
}
.map-container, .alarm-sidebar, .chart-card, .table-card, .vehicle-list-panel { padding: 14px; }
.section-header { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 11px; }
.section-header h3 { margin: 0; color: var(--text); font-size: 12px; font-weight: 700; }
.section-hint { color: var(--muted); font-size: 9px; font-weight: 400; }
.section-actions, .map-toolbar, .map-zoom-controls, .speed-buttons { display: flex; align-items: center; gap: 6px; }
.page-section-title { margin: 2px 0 11px; }
.btn-filter, .btn-export, .btn-primary, .btn-sm, .page-btn {
  min-height: 26px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: #687282;
  cursor: pointer;
  font-size: 10px;
  transition: border-color .18s, background .18s, color .18s, transform .18s;
}
.btn-filter:hover, .btn-filter.active { border-color: var(--primary); color: #fff; background: var(--primary); }
.btn-export:hover, .btn-sm:hover, .page-btn:hover { border-color: var(--primary); color: var(--primary); background: #f4f8ff; }
.btn-primary { border-color: var(--primary); color: #fff; background: var(--primary); }
.btn-primary:hover { border-color: #1557b0; background: #1557b0; }
.btn-sm.primary { border-color: var(--primary); color: #fff; background: var(--primary); }
.btn-sm.done { border-color: var(--success); color: var(--success); background: #e9f8ef; }
.btn-sm.recording { border-color: var(--danger); color: #fff; background: var(--danger); }
.btn-link, .view-all, .action-link { padding: 0; border: 0; background: transparent; color: var(--primary); cursor: pointer; font-size: 10px; text-decoration: none; }
.action-link { margin-right: 7px; }
.action-link.danger { color: var(--danger); }
.map-area { position: relative; height: 280px; overflow: hidden; border-radius: 8px; }
.map-placeholder { position: absolute; inset: -5%; width: 110%; height: 110%; overflow: hidden; transform: scale(var(--map-zoom)); transform-origin: center; background: linear-gradient(135deg, #e8f0fe 0%, #f0f5ff 54%, #e8f4e8 100%); }
.map-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(26,115,232,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(26,115,232,.055) 1px, transparent 1px); background-size: 29px 29px; }
.map-road { position: absolute; z-index: 1; height: 2px; border-top: 2px dashed rgba(92, 151, 218, .3); transform-origin: left center; }
.road-one { left: 12%; top: 74%; width: 75%; transform: rotate(-24deg); }
.road-two { left: 22%; top: 18%; width: 60%; transform: rotate(35deg); }
.map-label { position: absolute; z-index: 3; padding: 2px 6px; border-radius: 4px; color: #4a90d9; background: rgba(255,255,255,.84); font-size: 8px; font-weight: 700; white-space: nowrap; }
.map-label.is-dimmed { opacity: .28; }
.map-label.is-match { color: #1557b0; background: #fff; box-shadow: 0 0 0 2px rgba(26,115,232,.22); }
.map-marker { position: absolute; z-index: 5; display: grid; place-items: center; width: 15px; height: 15px; padding: 0; border: 2px solid #fff; border-radius: 50%; cursor: pointer; box-shadow: 0 2px 5px rgba(0,0,0,.18); transform: translate(-50%, -50%); }
.map-marker.normal { background: var(--success); }
.map-marker.alarm { background: var(--danger); animation: markerPulse 1.6s infinite; }
.map-marker:hover { z-index: 9; transform: translate(-50%, -50%) scale(1.4); }
.marker-core { display: block; width: 5px; height: 5px; border-radius: 50%; background: #fff; }
.marker-pulse { position: absolute; inset: -5px; border: 1px solid currentColor; border-radius: 50%; opacity: .3; }
@keyframes markerPulse { 0%,100% { box-shadow: 0 0 0 0 rgba(231,76,60,.42); } 70% { box-shadow: 0 0 0 8px rgba(231,76,60,0); } }
.map-vehicle { position: absolute; z-index: 6; padding: 0; border: 0; background: transparent; cursor: pointer; font-size: 17px; line-height: 1; filter: drop-shadow(0 2px 3px rgba(0,0,0,.18)); transform: translate(-50%, -50%); }
.map-vehicle:hover { z-index: 9; transform: translate(-50%, -50%) scale(1.2); }
.vehicle-map-label { position: absolute; top: 17px; left: 50%; padding: 1px 4px; border-radius: 3px; color: #4b79ad; background: rgba(255,255,255,.86); font-size: 7px; white-space: nowrap; transform: translateX(-50%); }
.map-attribution { position: absolute; z-index: 8; right: 8px; bottom: 6px; color: rgba(89,102,120,.72); font-size: 8px; }
.map-measurement { position: absolute; z-index: 9; left: 9px; bottom: 8px; padding: 4px 7px; border: 1px solid rgba(26,115,232,.22); border-radius: 5px; color: #1557b0; background: rgba(255,255,255,.9); font-size: 8px; box-shadow: var(--shadow); }
.map-placeholder.is-measuring .road-one { border-top-color: rgba(231,76,60,.66); border-top-style: solid; }
.trajectory-overlay circle[data-action="trail-point"] { pointer-events: auto; cursor: pointer; }
.trajectory-overlay { position: absolute; z-index: 4; inset: 0; width: 100%; height: 100%; pointer-events: none; }

.alarm-sidebar { display: flex; min-height: 280px; max-height: 280px; flex-direction: column; }
.alarm-list { display: flex; flex: 1; min-height: 0; flex-direction: column; gap: 6px; overflow-y: auto; padding-right: 2px; }
.alarm-item { display: flex; width: 100%; min-height: 49px; gap: 7px; padding: 8px; border: 0; border-left: 2px solid transparent; border-radius: 6px; background: #fafbfc; text-align: left; cursor: pointer; }
.alarm-item:hover { background: #f2f7ff; }
.alarm-item.red { border-left-color: var(--danger); }
.alarm-item.orange { border-left-color: var(--warning); }
.alarm-item.blue { border-left-color: var(--info); }
.alarm-item.gray { border-left-color: #98a2b3; }
.alarm-dot { width: 6px; height: 6px; flex: 0 0 auto; margin-top: 4px; border-radius: 50%; background: currentColor; }
.alarm-item.red .alarm-dot { color: var(--danger); }
.alarm-item.orange .alarm-dot { color: var(--warning); }
.alarm-item.blue .alarm-dot { color: var(--info); }
.alarm-content { display: flex; min-width: 0; flex: 1; flex-direction: column; gap: 2px; }
.alarm-content strong { color: var(--text); font-size: 10px; }
.alarm-content span { overflow: hidden; color: var(--subtle); font-size: 8px; text-overflow: ellipsis; white-space: nowrap; }
.alarm-content small { color: var(--muted); font-size: 8px; }
.alarm-item > .status { align-self: flex-start; }
.status, .tag, .level { display: inline-flex; align-items: center; width: fit-content; min-height: 18px; padding: 2px 6px; border-radius: 4px; font-size: 9px; white-space: nowrap; }
.status.online, .status.normal, .status.done, .tag.normal { color: var(--success); background: #e9f8ef; }
.status.offline, .status.alarm { color: var(--danger); background: #fdebea; }
.status.pending { color: #e67e22; background: #fff3e4; }
.status.processing { color: var(--primary); background: #eaf2ff; }
.status.working { color: var(--success); background: #e9f8ef; }
.status.driving { color: var(--primary); background: #eaf2ff; }
.status.neutral { color: #667085; background: #f2f4f7; }
.tag.red { color: var(--danger); background: #fdebea; }
.tag.orange { color: #db8410; background: #fff1da; }
.tag.blue { color: var(--info); background: #e8f3fd; }
.tag.gray { color: #667085; background: #f1f3f5; }
.level.high { color: #fff; background: var(--danger); }
.level.medium { color: #fff; background: var(--warning); }
.level.low { color: #fff; background: var(--info); }
.status-dot { display: inline-block; width: 6px; height: 6px; margin-right: 5px; border-radius: 50%; background: #98a2b3; }
.status-dot.online { background: var(--success); }
.status-dot.offline { background: var(--danger); }

.chart-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; margin-bottom: 16px; }
.chart-card.wide { grid-column: 1 / -1; }
.chart-card { min-height: 208px; }
.chart-svg-wrap { min-width: 0; }
.chart-legend { display: flex; justify-content: center; gap: 12px; margin: 0 0 6px; }
.chart-legend-item { display: inline-flex; align-items: center; gap: 4px; color: #8e96a3; font-size: 9px; }
.chart-legend-item i { display: inline-block; width: 8px; height: 8px; border-radius: 50%; }
.chart-svg { display: block; width: 100%; height: 156px; overflow: visible; }
.chart-card.wide .chart-svg { height: 176px; }
.chart-row .chart-card { min-height: 231px; }
.chart-grid-line { stroke: #eef1f4; stroke-width: 1; }
.chart-axis-label { fill: #98a2b3; font-size: 8px; }
.donut-layout { display: flex; align-items: center; justify-content: center; gap: 22px; min-height: 155px; }
.donut-graphic { display: grid; place-items: center; width: 112px; height: 112px; border-radius: 50%; }
.donut-graphic::after { width: 67px; height: 67px; border-radius: 50%; background: #fff; content: ""; grid-area: 1 / 1; }
.donut-graphic > span { z-index: 1; grid-area: 1 / 1; color: #8b94a2; text-align: center; font-size: 9px; }
.donut-graphic strong { color: var(--text); font-size: 14px; }
.donut-legend { display: grid; gap: 7px; }
.donut-legend-item { display: grid; grid-template-columns: 8px 66px 27px; align-items: center; gap: 5px; color: #89919f; font-size: 9px; }
.donut-legend-item i { width: 8px; height: 8px; border-radius: 50%; }
.donut-legend-item strong { color: var(--subtle); text-align: right; font-size: 9px; }

.video-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-bottom: 16px; }
.video-card { display: block; width: 100%; padding: 0; overflow: hidden; border: 1px solid var(--border); border-radius: 9px; background: #fff; box-shadow: var(--shadow); text-align: left; cursor: pointer; transition: transform .18s, box-shadow .18s; }
.video-card:hover { transform: translateY(-2px); box-shadow: 0 7px 20px rgba(15,23,42,.1); }
.video-frame { position: relative; display: block; height: 126px; overflow: hidden; background: #1d2430; }
.video-frame img { width: 100%; height: 100%; object-fit: cover; }
.video-overlay { position: absolute; right: 0; bottom: 0; left: 0; display: flex; align-items: flex-end; justify-content: space-between; gap: 6px; padding: 22px 8px 7px; background: linear-gradient(transparent, rgba(0,0,0,.68)); }
.video-status { display: inline-flex; padding: 3px 5px; border-radius: 3px; color: #fff; font-size: 8px; font-weight: 600; }
.video-status.alarm { background: var(--danger); }
.video-status.normal { background: var(--success); }
.video-time { color: rgba(255,255,255,.8); font-size: 8px; }
.video-live { position: absolute; top: 7px; left: 8px; padding: 2px 4px; border-radius: 3px; color: #fff; background: rgba(16, 185, 129, .86); font-size: 8px; font-weight: 700; }
.video-info { display: flex; flex-direction: column; gap: 3px; padding: 9px; }
.video-name { overflow: hidden; color: var(--text); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.video-detail { color: var(--muted); font-size: 9px; }

.table-card { margin-bottom: 16px; }
.table-scroll { width: 100%; overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; min-width: 660px; }
.data-table th { padding: 9px 8px; color: #9aa1ac; background: #fafbfc; border-bottom: 1px solid var(--border); font-size: 9px; font-weight: 600; text-align: left; white-space: nowrap; }
.data-table td { padding: 9px 8px; border-bottom: 1px solid #f1f3f5; color: #48505b; font-size: 9px; white-space: nowrap; }
.data-table tr:hover td { background: #f8fbff; }
.data-table tbody tr:last-child td { border-bottom: 0; }
.pagination { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 12px; color: var(--muted); font-size: 9px; }
.page-btns { display: flex; gap: 5px; }
.page-btn.active { color: #fff; border-color: var(--primary); background: var(--primary); }

.alarm-filter-bar { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 11px; margin-bottom: 14px; padding: 14px; border: 1px solid var(--border); border-radius: 10px; background: #fff; box-shadow: var(--shadow); }
.filter-group { display: flex; min-width: 100px; flex-direction: column; gap: 4px; }
.filter-group label, .form-grid label, .replay-filters label { color: #8b93a0; font-size: 9px; }
.filter-group select, .filter-group input, .vehicle-filters input, .vehicle-filters select, .form-grid input, .form-grid select, .form-grid textarea, .replay-filters input, .replay-filters select { width: 100%; min-height: 28px; margin-top: 4px; padding: 5px 8px; border: 1px solid #dfe4ea; border-radius: 6px; outline: 0; color: #454d59; background: #fff; font-size: 10px; }
.filter-group select:focus, .filter-group input:focus, .form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,115,232,.1); }
.date-group { min-width: 210px; }
.date-range { display: flex; align-items: center; gap: 5px; }
.date-range input { width: auto; min-width: 0; flex: 1; }
.date-range span { color: var(--muted); font-size: 9px; }
.result-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; color: var(--muted); font-size: 9px; }
.result-toolbar strong { color: var(--text); font-size: 12px; }
.alarm-detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; }
.alarm-detail-card { display: flex; min-width: 0; overflow: hidden; border: 1px solid var(--border); border-radius: 10px; background: #fff; box-shadow: var(--shadow); }
.alarm-detail-img { position: relative; width: 50%; min-height: 140px; flex: 0 0 auto; background: #1d2430; }
.alarm-detail-img img { width: 100%; height: 100%; object-fit: cover; }
.alarm-badge { position: absolute; top: 8px; left: 8px; padding: 3px 6px; border-radius: 4px; color: #fff; font-size: 8px; font-weight: 700; }
.alarm-badge.red { background: var(--danger); }
.alarm-badge.orange { background: var(--warning); }
.alarm-badge.blue { background: var(--info); }
.alarm-badge.gray { background: #667085; }
.alarm-detail-info { display: flex; min-width: 0; flex: 1; flex-direction: column; justify-content: space-between; gap: 7px; padding: 12px; }
.alarm-detail-header { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.alarm-detail-header time { color: var(--muted); font-size: 9px; }
.alarm-detail-location { margin: 0; color: var(--text); font-size: 11px; }
.alarm-detail-desc { margin: 0; color: var(--subtle); font-size: 9px; line-height: 1.55; }
.alarm-meta { display: flex; gap: 9px; color: var(--muted); font-size: 8px; }
.alarm-detail-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 5px; }
.wide-empty { grid-column: 1 / -1; min-height: 125px; }

.vehicle-layout { grid-template-columns: minmax(0, 1fr) 239px; }
.vehicle-list-panel { display: flex; min-height: 280px; max-height: 336px; flex-direction: column; }
.vehicle-filters { display: grid; grid-template-columns: 1fr 88px; gap: 6px; margin: -2px 0 9px; }
.vehicle-filters input, .vehicle-filters select { margin: 0; }
.vehicle-list { display: flex; min-height: 0; flex: 1; flex-direction: column; gap: 6px; overflow-y: auto; padding-right: 2px; }
.vehicle-item { display: flex; align-items: center; width: 100%; gap: 7px; padding: 8px; border: 1px solid transparent; border-radius: 7px; background: #fafbfc; text-align: left; cursor: pointer; }
.vehicle-item:hover, .vehicle-item.selected { border-color: #cfe0fb; background: #f3f8ff; }
.vehicle-icon { font-size: 22px; line-height: 1; }
.vehicle-info { display: flex; min-width: 0; flex: 1; flex-direction: column; gap: 2px; }
.vehicle-plate { color: var(--text); font-size: 10px; }
.vehicle-status-text { overflow: hidden; color: #677282; font-size: 8px; text-overflow: ellipsis; white-space: nowrap; }
.vehicle-detail { color: var(--muted); font-size: 8px; }
.vehicle-badge { flex: 0 0 auto; padding: 3px 5px; border-radius: 9px; font-size: 8px; font-style: normal; }
.vehicle-badge.working { color: var(--success); background: #e8f8ef; }
.vehicle-badge.driving { color: var(--primary); background: #eaf2ff; }
.vehicle-badge.offline { color: #98a2b3; background: #f1f3f5; }

.ranking-list { display: grid; gap: 7px; padding-top: 2px; }
.ranking-item { display: grid; grid-template-columns: 22px 64px 1fr 32px; align-items: center; gap: 6px; padding: 2px 0; border: 0; background: transparent; text-align: left; cursor: pointer; }
.ranking-item:hover .rank-name { color: var(--primary); }
.rank { display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; color: #98a2b3; background: #f1f3f5; font-size: 9px; font-weight: 700; }
.rank.gold { color: #e69b17; background: #fff3d9; }
.rank.silver { color: #8f9aa7; background: #edf0f2; }
.rank.bronze { color: #cf7a42; background: #fff0e6; }
.rank-name { overflow: hidden; color: #586170; font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.rank-bar { height: 5px; overflow: hidden; border-radius: 4px; background: #edf0f3; }
.rank-bar i { display: block; height: 100%; border-radius: inherit; background: #3987dc; }
.rank-value { color: var(--primary); text-align: right; font-size: 10px; }
.region-drill-row { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 5px; }
.region-drill { padding: 3px 5px; border: 1px solid #e2e7ed; border-radius: 4px; color: #748094; background: #fff; cursor: pointer; font-size: 8px; }
.region-drill:hover { border-color: var(--primary); color: var(--primary); }

@media (min-width: 761px) {
  .alarm-filter-bar {
    display: grid;
    grid-template-columns: repeat(8, minmax(0, 1fr));
    align-items: end;
    column-gap: 8px;
    row-gap: 2px;
    padding: 12px 14px 6px;
  }
  .alarm-filter-bar > .filter-group:not(.date-group) { grid-row: 2; min-width: 0; }
  .alarm-filter-bar > .filter-group:nth-child(1) { grid-column: 1; }
  .alarm-filter-bar > .filter-group:nth-child(2) { grid-column: 2; }
  .alarm-filter-bar > .filter-group:nth-child(3) { grid-column: 3; }
  .alarm-filter-bar > .date-group { grid-column: 4 / span 3; grid-row: 1; width: 210px; min-width: 0; justify-self: start; }
  .alarm-filter-bar > .btn-primary { grid-column: 5; grid-row: 2; }
  .alarm-filter-bar > .btn-export { grid-column: 6; grid-row: 2; }
}

.settings-tabs { display: flex; width: fit-content; gap: 2px; margin-bottom: 12px; padding: 3px; border: 1px solid var(--border); border-radius: 8px; background: #fff; box-shadow: var(--shadow); }
.settings-tab { min-height: 28px; padding: 0 16px; border: 0; border-radius: 6px; color: #697282; background: transparent; cursor: pointer; font-size: 10px; }
.settings-tab.active { color: #fff; background: var(--primary); font-weight: 600; }
.switch { padding: 3px 7px; border: 0; border-radius: 9px; color: var(--success); background: #e9f8ef; cursor: pointer; font-size: 8px; }
.switch:not(.on) { color: #98a2b3; background: #f1f3f5; }

.chart-card.wide + .chart-row { margin-top: 13px; }
.report-history { margin-top: 110px; }
.empty-state { display: flex; min-height: 70px; align-items: center; justify-content: center; flex-direction: column; gap: 4px; color: var(--muted); font-size: 10px; text-align: center; }
.empty-state strong { color: #687282; font-size: 11px; }
.compact-empty { min-height: 48px; }
.demo-footnote { padding: 3px 2px; color: #a2a8b1; font-size: 8px; }

.modal-backdrop { position: fixed; z-index: 1000; inset: 0; display: grid; place-items: center; padding: 20px; background: rgba(15, 23, 42, .38); }
.modal-panel { width: min(720px, 100%); max-height: min(700px, calc(100vh - 40px)); overflow: hidden; border-radius: 12px; background: #fff; box-shadow: var(--shadow-lg); }
.modal-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; padding: 16px 18px 11px; border-bottom: 1px solid var(--border); }
.modal-header h2 { margin: 0; color: var(--text); font-size: 15px; }
.modal-caption { display: block; margin-top: 2px; color: var(--muted); font-size: 9px; }
.modal-body { max-height: calc(100vh - 190px); overflow-y: auto; padding: 16px 18px; }
.modal-footer { display: flex; justify-content: flex-end; gap: 7px; padding: 11px 18px; border-top: 1px solid var(--border); background: #fcfdff; }
.detail-grid { display: grid; grid-template-columns: minmax(180px, 38%) 1fr; gap: 15px; }
.detail-image { min-height: 170px; overflow: hidden; border-radius: 8px; background: #1d2430; }
.detail-image img { width: 100%; height: 100%; object-fit: cover; }
.detail-copy h3 { margin: 9px 0; color: var(--text); font-size: 14px; }
.detail-copy dl, .detail-list { display: grid; grid-template-columns: 72px 1fr; gap: 7px 9px; margin: 0; }
.detail-copy dt, .detail-list dt { color: var(--muted); font-size: 9px; }
.detail-copy dd, .detail-list dd { margin: 0; color: #515b68; font-size: 10px; }
.large-number { color: var(--danger); font-size: 20px; }
.detail-callout, .form-callout { display: flex; flex-direction: column; gap: 4px; margin-top: 14px; padding: 10px; border-left: 3px solid var(--primary); border-radius: 6px; color: #596474; background: #f5f8fd; font-size: 9px; }
.detail-callout strong, .form-callout strong { color: var(--text); font-size: 10px; }
.detail-callout.danger, .form-callout { border-left-color: var(--danger); background: #fff7f6; }
.detail-callout.success, .form-callout.success { border-left-color: var(--success); background: #f2fbf5; }
.detail-callout.warning { border-left-color: var(--warning); background: #fffaf0; }
.detail-section { margin-top: 16px; }
.detail-section h4 { margin: 0 0 8px; color: var(--text); font-size: 11px; }
.process-timeline { display: grid; gap: 6px; margin: 0; padding-left: 18px; }
.process-timeline li { display: flex; justify-content: space-between; gap: 10px; color: var(--subtle); font-size: 9px; }
.process-timeline span { color: var(--muted); }
.vehicle-detail-hero { display: flex; align-items: center; gap: 12px; padding-bottom: 13px; border-bottom: 1px solid var(--border); }
.vehicle-big-icon { font-size: 42px; }
.vehicle-detail-hero h3 { margin: 5px 0 2px; color: var(--text); font-size: 16px; }
.vehicle-detail-hero p { margin: 0; color: var(--muted); font-size: 10px; }
.detail-list { margin-top: 14px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.form-grid label { display: block; }
.field-full { grid-column: 1 / -1; }
.form-grid textarea { resize: vertical; }
.module-checks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 10px; margin-top: 6px; padding: 8px; border: 1px solid var(--border); border-radius: 6px; background: #fafbfc; }
.form-help { margin: 10px 0 0; color: var(--muted); font-size: 9px; }
.check-row { display: flex !important; align-items: center; gap: 6px; color: #596474 !important; font-size: 10px !important; }
.check-row input { width: auto !important; min-height: auto !important; margin: 0 !important; }

.video-modal-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 9px; }
.video-source { display: inline-flex; align-items: center; gap: 5px; color: var(--text); font-size: 11px; font-weight: 600; }
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--danger); box-shadow: 0 0 0 4px rgba(231,76,60,.12); }
.video-layout { display: grid; height: min(450px, 52vh); gap: 4px; overflow: hidden; border-radius: 8px; background: #111827; }
.video-layout.layout-1 { grid-template-columns: 1fr; }
.video-layout.layout-2 { grid-template-columns: repeat(2, 1fr); }
.video-layout.layout-3 { grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(3, 1fr); }
.video-layout.layout-4 { grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(4, 1fr); }
.video-tile { position: relative; min-width: 0; min-height: 0; overflow: hidden; background: #202938; }
.video-tile img { width: 100%; height: 100%; object-fit: cover; opacity: .9; }
.video-tile span { position: absolute; right: 5px; bottom: 4px; left: 5px; color: #dbeafe; font-size: 8px; }
.video-controls { display: flex; align-items: center; gap: 18px; margin-top: 12px; }
.ptz-pad { display: grid; grid-template-columns: repeat(3, 27px); grid-template-rows: repeat(3, 27px); gap: 2px; }
.ptz-pad button { border: 1px solid var(--border); color: #64748b; background: #f8fafc; cursor: pointer; font-size: 9px; }
.ptz-pad button:nth-child(1) { grid-column: 2; }
.ptz-pad button:nth-child(2) { grid-column: 1; grid-row: 2; }
.ptz-pad button:nth-child(3) { grid-column: 2; grid-row: 2; }
.ptz-pad button:nth-child(4) { grid-column: 3; grid-row: 2; }
.ptz-pad button:nth-child(5) { grid-column: 2; grid-row: 3; }
.video-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.lens-controls { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; width: 100%; }
.control-hint { color: var(--muted); font-size: 9px; }

.replay-filters { display: grid; grid-template-columns: 1fr 1fr 1fr auto; align-items: end; gap: 8px; }
.replay-map { position: relative; height: 280px; margin-top: 12px; overflow: hidden; border-radius: 8px; }
.replay-status { position: absolute; z-index: 10; top: 9px; left: 9px; display: flex; flex-direction: column; gap: 3px; padding: 7px 9px; border-radius: 6px; background: rgba(255,255,255,.9); box-shadow: var(--shadow); }
.replay-status strong { color: var(--text); font-size: 11px; }
.replay-status span { color: var(--muted); font-size: 9px; }
.replay-controls { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
.progress-range { width: 100%; accent-color: var(--primary); }
.replay-time { min-width: 32px; color: var(--muted); font-size: 9px; text-align: right; }
.pan-pad { display: grid; grid-template-columns: repeat(3, 34px); grid-template-rows: repeat(3, 34px); justify-content: center; gap: 4px; margin: 4px auto 12px; }
.pan-pad button { border: 1px solid var(--border); border-radius: 6px; color: #536274; background: #f8fafc; cursor: pointer; font-size: 15px; }
.pan-pad button:hover { border-color: var(--primary); color: var(--primary); background: #f4f8ff; }
.pan-pad button:nth-child(1) { grid-column: 2; }
.pan-pad button:nth-child(2) { grid-column: 1; grid-row: 2; }
.pan-pad .pan-center { grid-column: 2; grid-row: 2; color: var(--primary); }
.pan-pad button:nth-child(4) { grid-column: 3; grid-row: 2; }
.pan-pad button:nth-child(5) { grid-column: 2; grid-row: 3; }

.notification-drawer { position: fixed; z-index: 900; top: 62px; right: 18px; width: 282px; max-height: calc(100vh - 80px); overflow: hidden; border: 1px solid var(--border); border-radius: 10px; background: #fff; box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none; transform: translateY(-6px); transition: opacity .18s, transform .18s; }
.notification-drawer.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
.drawer-header, .drawer-footer { display: flex; align-items: center; justify-content: space-between; padding: 11px 13px; border: 0; background: #fff; }
.drawer-header { border-bottom: 1px solid var(--border); }
.drawer-header strong { display: block; color: var(--text); font-size: 11px; }
.drawer-header span { color: var(--muted); font-size: 8px; }
.drawer-list { max-height: 330px; overflow-y: auto; padding: 5px; }
.drawer-item { display: flex; width: 100%; gap: 8px; padding: 8px; border: 0; border-radius: 6px; background: #fff; text-align: left; cursor: pointer; }
.drawer-item:hover { background: #f5f8fd; }
.drawer-item > i { width: 6px; height: 6px; flex: 0 0 auto; margin-top: 4px; border-radius: 50%; background: var(--danger); }
.drawer-item > i.orange { background: var(--warning); }
.drawer-item > i.blue { background: var(--info); }
.drawer-item span { display: flex; flex: 1; flex-direction: column; gap: 2px; }
.drawer-item strong { color: var(--text); font-size: 9px; }
.drawer-item small, .drawer-item time { overflow: hidden; color: var(--muted); font-size: 8px; text-overflow: ellipsis; white-space: nowrap; }
.drawer-footer { width: 100%; border-top: 1px solid var(--border); color: var(--primary); cursor: pointer; font-size: 9px; }
.toast-root { position: fixed; z-index: 1200; right: 18px; bottom: 18px; display: grid; gap: 6px; }
.toast { display: flex; align-items: center; gap: 12px; min-width: 190px; max-width: 340px; padding: 9px 11px; border: 1px solid #b8e8ca; border-radius: 7px; color: #166534; background: #f0fdf4; box-shadow: var(--shadow-lg); font-size: 10px; }
.toast.warning { border-color: #f7d9a4; color: #9a5b05; background: #fffaf0; }
.toast button { padding: 0; border: 0; color: currentColor; background: transparent; cursor: pointer; }
.user-menu-card { display: flex; align-items: center; gap: 10px; padding: 10px; border-radius: 8px; background: #f6f8fb; }
.user-menu-avatar { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; color: #fff; background: var(--primary); font-weight: 700; }
.user-menu-card h3 { margin: 0; color: var(--text); font-size: 12px; }
.user-menu-card p { margin: 3px 0 0; color: var(--muted); font-size: 9px; }
.role-switch { display: grid; gap: 6px; margin-top: 14px; }
.role-switch > strong { color: var(--text); font-size: 10px; }
.role-option { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 9px; border: 1px solid var(--border); border-radius: 7px; background: #fff; cursor: pointer; text-align: left; }
.role-option:hover, .role-option.active { border-color: #b9d3f7; background: #f4f8ff; }
.role-option span { color: var(--text); font-size: 10px; }
.role-option small { color: var(--muted); font-size: 8px; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { border-radius: 5px; background: #cfd6df; }
::-webkit-scrollbar-thumb:hover { background: #b6c0cc; }

@media (max-width: 760px) {
  .sidebar { width: 145px; }
  .main-content { margin-left: 145px; }
  .page-content { padding: 16px; }
  .dashboard-main, .vehicle-layout { grid-template-columns: minmax(0, 1fr) 220px; }
  .video-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .video-frame { height: 150px; }
}
@media (max-width: 720px) {
  .sidebar { position: static; width: 100%; height: auto; }
  .logo-area { height: 48px; }
  .nav-menu { display: flex; overflow-x: auto; padding: 0; }
  .nav-item { flex: 0 0 auto; min-height: 38px; padding: 0 12px; border-left: 0; border-bottom: 3px solid transparent; }
  .nav-item.active { border-bottom-color: var(--primary); }
  .main-content { margin-left: 0; }
  .top-bar { height: auto; min-height: 58px; padding: 9px 12px; }
  .top-actions { gap: 7px; }
  .search-box { width: 130px; }
  .page-content { padding: 12px; }
  .kpi-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .dashboard-main, .vehicle-layout, .alarm-detail-grid, .chart-row { grid-template-columns: 1fr; }
  .chart-card.wide { grid-column: auto; }
  .video-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .alarm-detail-card { min-height: 145px; }
  .replay-filters { grid-template-columns: 1fr 1fr; }
  .replay-filters button { grid-column: 1 / -1; }
  .detail-grid { grid-template-columns: 1fr; }
  .detail-image { min-height: 150px; }
}
@media (max-width: 460px) {
  .page-title h1 { font-size: 13px; }
  .breadcrumb { display: none; }
  .top-actions .user-info > span:last-child { display: none; }
  .kpi-card { min-height: 62px; padding: 9px; }
  .kpi-trend { top: 6px; right: 6px; font-size: 7px; }
  .kpi-value { font-size: 18px; }
  .video-grid { grid-template-columns: 1fr; }
  .video-frame { height: 170px; }
  .form-grid { grid-template-columns: 1fr; }
  .field-full { grid-column: auto; }
  .video-modal-toolbar, .video-controls { align-items: flex-start; flex-direction: column; }
}