:root {
  color-scheme: light;
  --bg: #f4f0e8;
  --panel: rgba(255, 252, 245, 0.94);
  --line: rgba(52, 38, 24, 0.12);
  --ink: #2d2418;
  --muted: #72604b;
  --accent: #0d8a7c;
  --accent-2: #d97706;
  --danger: #b91c1c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(13, 138, 124, 0.14), transparent 28%),
    radial-gradient(circle at top right, rgba(217, 119, 6, 0.12), transparent 26%),
    linear-gradient(135deg, #f7f2e9, #efe6d7);
}

body.is-alerting {
  background:
    radial-gradient(circle at top left, rgba(217, 119, 6, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(185, 28, 28, 0.12), transparent 24%),
    linear-gradient(135deg, #f7f2e9, #efe6d7);
}

.shell {
  display: grid;
  grid-template-columns: 360px 1fr;
  min-height: 100vh;
}

.sidebar {
  padding: 20px;
  border-right: 1px solid var(--line);
  background: rgba(255, 248, 236, 0.88);
  backdrop-filter: blur(12px);
  overflow-y: auto;
}

.brand h1,
.detail-head h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: 0.04em;
}

.brand p,
.detail-head p,
.panel label,
.track-toolbar label,
.track-stats,
.message-bar,
.device-item small {
  color: var(--muted);
}

.panel,
.detail {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 18px 45px rgba(63, 44, 18, 0.08);
}

.panel {
  margin-top: 16px;
  padding: 16px;
}

.panel h2 {
  margin: 0 0 14px;
  font-size: 15px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.section-head span {
  color: var(--muted);
  font-size: 13px;
}

.panel label,
.track-toolbar label {
  display: block;
  font-size: 13px;
  margin-bottom: 12px;
}

input,
select,
button {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  padding: 10px 12px;
  font: inherit;
  background: rgba(255, 255, 255, 0.96);
}

button {
  cursor: pointer;
  background: linear-gradient(135deg, #0d8a7c, #0b6f64);
  color: #fff;
  border: none;
  font-weight: 600;
}

.overview-grid,
.detail-grid,
.track-stats {
  display: grid;
  gap: 12px;
}

.overview-grid {
  grid-template-columns: repeat(2, 1fr);
}

.overview-grid div,
.detail-grid div {
  padding: 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
}

.overview-grid span,
.detail-grid span {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

.overview-grid strong,
.detail-grid strong,
.speed-card strong {
  display: block;
  margin-top: 6px;
  font-size: 22px;
}

.device-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 40vh;
  overflow-y: auto;
}

.device-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.78);
  cursor: pointer;
}

.device-item.active {
  border-color: rgba(13, 138, 124, 0.45);
  box-shadow: inset 0 0 0 1px rgba(13, 138, 124, 0.18);
}

.device-item header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.device-item strong {
  font-size: 15px;
}

.device-status {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  color: #fff;
}

.device-status.online {
  background: var(--accent);
}

.device-status.offline {
  background: var(--danger);
}

.main {
  display: grid;
  grid-template-rows: minmax(58vh, auto) auto auto auto;
  gap: 18px;
  padding: 20px;
}

.map {
  min-height: 58vh;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 24px 50px rgba(36, 24, 12, 0.12);
}

.detail {
  padding: 18px;
}

.status-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.status-card {
  padding: 18px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 252, 245, 0.9);
  box-shadow: 0 18px 45px rgba(63, 44, 18, 0.08);
}

.status-card.is-alerting {
  border-color: rgba(217, 119, 6, 0.35);
  box-shadow: 0 18px 45px rgba(217, 119, 6, 0.12);
}

.status-card span,
.status-card small,
.playback-meta,
.speed-card small,
.status-entry small,
.status-entry time {
  color: var(--muted);
}

.status-card span,
.status-card small,
.speed-card small {
  display: block;
}

.status-card strong {
  display: block;
  margin: 8px 0 6px;
  font-size: 28px;
}

.multi-device-panel {
  padding: 18px;
}

.status-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.panel-filters {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: end;
  margin-bottom: 14px;
}

.alert-center {
  padding: 18px;
}

.alert-toolbar,
.export-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.alert-toolbar small {
  color: var(--muted);
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.toggle input {
  width: auto;
  margin: 0;
}

.alert-feed {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.alert-item {
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
}

.alert-item strong {
  display: block;
  font-size: 14px;
}

.alert-item p,
.alert-item time {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.alert-item.alert-enter {
  border-color: rgba(217, 119, 6, 0.28);
  background: rgba(255, 248, 235, 0.9);
}

.alert-item.alert-recover {
  border-color: rgba(13, 138, 124, 0.22);
  background: rgba(239, 252, 250, 0.9);
}

.panel-filters label {
  width: 220px;
  margin: 0;
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  width: auto;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
  font-weight: 600;
}

.chip.is-active {
  background: linear-gradient(135deg, #0d8a7c, #0b6f64);
  color: #fff;
  box-shadow: 0 10px 20px rgba(13, 138, 124, 0.18);
}

.status-entry {
  padding: 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
}

.status-entry:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 28px rgba(36, 24, 12, 0.08);
}

.status-entry.is-selected {
  border-color: rgba(13, 138, 124, 0.45);
  box-shadow: inset 0 0 0 1px rgba(13, 138, 124, 0.2);
}

.status-entry header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.status-entry strong {
  font-size: 15px;
}

.status-entry p {
  margin: 10px 0 8px;
  font-size: 13px;
}

.status-entry time {
  font-size: 12px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 62px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  color: #fff;
}

.status-pill.online,
.status-pill.moving {
  background: var(--accent);
}

.status-pill.alert {
  background: var(--accent-2);
}

.status-pill.offline {
  background: var(--danger);
}

.detail-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}

.speed-card {
  min-width: 180px;
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(13, 138, 124, 0.1), rgba(217, 119, 6, 0.1));
}

.speed-card small {
  margin-top: 8px;
  font-size: 13px;
}

.detail-grid {
  grid-template-columns: repeat(3, 1fr);
  margin: 18px 0;
}

.track-toolbar {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  align-items: end;
}

.track-stats {
  grid-template-columns: repeat(5, 1fr);
  margin-top: 16px;
  font-size: 13px;
}

.export-toolbar {
  margin-top: 12px;
}

.export-toolbar button {
  width: auto;
  min-width: 140px;
}

.team-editor {
  margin: 18px 0;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
}

.team-editor-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 2fr 1fr 1fr;
  gap: 12px;
  align-items: end;
}

.playback-bar {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
}

.playback-bar input[type="range"] {
  padding: 0;
  border: none;
  background: transparent;
}

.playback-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
  font-size: 13px;
}

.message-bar {
  min-height: 22px;
  margin-top: 12px;
}

@media (max-width: 1080px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .detail-grid,
  .status-band,
  .status-panel,
  .team-editor-grid,
  .track-toolbar,
  .track-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .main,
  .sidebar {
    padding: 14px;
  }

  .detail-head {
    flex-direction: column;
    align-items: stretch;
  }

  .detail-grid,
  .status-band,
  .status-panel,
  .team-editor-grid,
  .track-toolbar,
  .track-stats {
    grid-template-columns: 1fr;
  }

  .playback-meta,
  .section-head,
  .panel-filters,
  .alert-toolbar,
  .export-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .panel-filters label {
    width: 100%;
  }
}