:root {
  color: #202522;
  background: #f4f6f3;
  font-family: Inter, "Segoe UI", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
  letter-spacing: 0;
  --surface: #ffffff;
  --surface-muted: #eef1ed;
  --line: #d9ded8;
  --ink-muted: #667069;
  --accent: #9c3049;
  --accent-soft: #f5e8eb;
  --teal: #176b5b;
  --teal-soft: #e2f1ed;
  --amber: #93681a;
  --amber-soft: #f6edda;
  --shadow: 0 8px 24px rgb(28 37 31 / 7%);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
}

button,
select {
  color: inherit;
  font: inherit;
  letter-spacing: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgb(255 255 255 / 92%);
}

.brand {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 12px;
}

.brand img {
  flex: 0 0 auto;
  image-rendering: auto;
}

.brand h1,
.brand p,
.panel-heading h2,
.panel-heading p,
.detail-heading h2,
.eyebrow,
.empty-state p {
  margin: 0;
}

.brand h1 {
  overflow-wrap: anywhere;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
}

.brand p {
  margin-top: 3px;
  color: var(--ink-muted);
  font-size: 12px;
}

.connection {
  display: grid;
  grid-template-columns: 8px auto;
  align-items: center;
  gap: 2px 8px;
  color: var(--ink-muted);
  font-size: 12px;
  text-align: right;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
}

.connection[data-state="online"] .status-dot {
  background: var(--teal);
}

.connection[data-state="offline"] .status-dot {
  background: var(--accent);
}

.status-time {
  grid-column: 2;
  min-height: 15px;
  font-variant-numeric: tabular-nums;
}

main {
  width: min(1520px, 100%);
  margin: 0 auto;
  padding: 24px clamp(18px, 4vw, 56px) 48px;
}

.control-band {
  display: flex;
  align-items: end;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.field {
  display: grid;
  min-width: min(320px, 100%);
  gap: 7px;
  color: var(--ink-muted);
  font-size: 12px;
  font-weight: 600;
}

.compact-field {
  min-width: 160px;
}

select {
  min-height: 40px;
  padding: 0 36px 0 12px;
  border: 1px solid #c7cec8;
  border-radius: 5px;
  outline: none;
  background: var(--surface);
}

select:focus-visible,
.instance-button:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.summary {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0 0 2px auto;
}

.summary div {
  min-width: 82px;
}

.summary dt {
  color: var(--ink-muted);
  font-size: 11px;
}

.summary dd {
  margin: 3px 0 0;
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  font-weight: 650;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  min-height: 640px;
}

.instance-panel {
  padding: 24px 20px 24px 0;
  border-right: 1px solid var(--line);
}

.panel-heading,
.detail-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.panel-heading h2,
.detail-heading h2 {
  font-size: 17px;
  line-height: 1.3;
}

.panel-heading p {
  margin-top: 4px;
  color: var(--ink-muted);
  font-size: 12px;
}

.count-badge {
  min-width: 30px;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--ink-muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.instance-list {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.instance-button {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 7px 12px;
  width: 100%;
  min-height: 66px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
  text-align: left;
}

.instance-button:hover {
  border-color: #aab5ad;
  box-shadow: var(--shadow);
}

.instance-button[aria-current="true"] {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.instance-id {
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.instance-time,
.instance-observed {
  color: var(--ink-muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.confidence {
  align-self: start;
  padding: 3px 7px;
  border-radius: 999px;
  background: var(--amber-soft);
  color: var(--amber);
  font-size: 10px;
  font-weight: 700;
}

.confidence.confirmed {
  background: var(--teal-soft);
  color: var(--teal);
}

.detail-panel {
  min-width: 0;
  padding: 24px 0 24px 28px;
}

.eyebrow {
  margin-bottom: 4px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.instance-meta {
  max-width: 48%;
  color: var(--ink-muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
  text-align: right;
}

.empty-state {
  display: grid;
  justify-items: center;
  gap: 14px;
  padding: 120px 24px;
  color: var(--ink-muted);
  text-align: center;
}

.empty-state img {
  opacity: 0.65;
}

.area-list {
  display: grid;
  gap: 30px;
  margin-top: 24px;
}

.area-section {
  min-width: 0;
}

.area-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.area-header h3 {
  margin: 0;
  font-size: 15px;
}

.area-header span {
  color: var(--ink-muted);
  font-size: 11px;
}

.ce-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.ce-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  table-layout: fixed;
}

.ce-table th,
.ce-table td {
  padding: 10px 12px;
  border-bottom: 1px solid #e5e8e4;
  font-size: 12px;
  line-height: 1.35;
  text-align: left;
  vertical-align: middle;
}

.ce-table tr:last-child td {
  border-bottom: 0;
}

.ce-table th {
  background: var(--surface-muted);
  color: var(--ink-muted);
  font-size: 11px;
  font-weight: 650;
}

.ce-name {
  overflow-wrap: anywhere;
  font-weight: 600;
}

.ce-id,
.ce-time,
.ce-relative {
  font-variant-numeric: tabular-nums;
}

.state-label {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--ink-muted);
  font-size: 10px;
  font-weight: 700;
}

.state-label.confirmed {
  background: var(--teal-soft);
  color: var(--teal);
}

@media (max-width: 900px) {
  .control-band {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .field {
    flex: 1 1 240px;
    min-width: 0;
  }

  .summary {
    width: 100%;
    margin: 4px 0 0;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .instance-panel {
    padding: 22px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .instance-list {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }

  .detail-panel {
    padding: 24px 0;
  }
}

@media (max-width: 560px) {
  .topbar {
    align-items: flex-start;
    min-height: 82px;
    padding: 14px 16px;
  }

  .brand p {
    max-width: 170px;
  }

  .status-time {
    display: none;
  }

  main {
    padding: 18px 16px 36px;
  }

  .control-band {
    gap: 12px;
  }

  .field,
  .compact-field {
    flex-basis: 100%;
  }

  .instance-list {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    padding-bottom: 4px;
  }

  .instance-button {
    flex: 0 0 min(250px, 82vw);
    scroll-snap-align: start;
  }

  .detail-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .instance-meta {
    text-align: left;
  }

  .empty-state {
    padding: 80px 18px;
  }
}