:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --panel: #ffffff;
  --panel-soft: #eef3f6;
  --text: #16212b;
  --muted: #63717d;
  --line: #d9e0e6;
  --accent: #0f766e;
  --accent-strong: #0b5d56;
  --danger: #b42318;
  --ok: #16803c;
  --warning: #b76e00;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  min-height: 36px;
  padding: 0 12px;
}

button:hover {
  border-color: var(--accent);
}

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

.sidebar {
  border-right: 1px solid var(--line);
  background: #fbfcfd;
  padding: 20px;
  overflow-y: auto;
}

.brand {
  align-items: center;
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
}

.brand-mark {
  align-items: center;
  background: var(--accent);
  border-radius: 8px;
  color: #fff;
  display: flex;
  font-weight: 800;
  height: 48px;
  justify-content: center;
  width: 48px;
}

.brand h1 {
  font-size: 18px;
  line-height: 1.2;
  margin: 0;
}

.brand p,
.muted,
.events-dir {
  color: var(--muted);
}

.brand p {
  font-size: 13px;
  margin: 3px 0 0;
}

.toolbar {
  display: flex;
  gap: 10px;
  justify-content: space-between;
  margin-bottom: 18px;
}

.segmented {
  border: 1px solid var(--line);
  border-radius: 7px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
}

.segmented button {
  border: 0;
  border-radius: 0;
  min-width: 44px;
}

.segmented button.active {
  background: var(--accent);
  color: #fff;
}

.events-list {
  display: grid;
  gap: 10px;
}

.event-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 12px;
  text-align: left;
  width: 100%;
}

.event-item.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(15, 118, 110, 0.12);
}

.event-item strong {
  display: block;
  font-size: 15px;
  line-height: 1.2;
}

.event-item span {
  color: var(--muted);
  display: block;
  font-size: 12px;
  margin-top: 4px;
}

.event-item .badge {
  margin-top: 8px;
}

.content {
  min-width: 0;
  padding: 20px;
}

.status-row {
  align-items: center;
  display: flex;
  font-size: 13px;
  justify-content: space-between;
  margin-bottom: 16px;
}

.dot {
  background: var(--warning);
  border-radius: 50%;
  display: inline-block;
  height: 9px;
  margin-right: 8px;
  width: 9px;
}

.dot.ok {
  background: var(--ok);
}

.dot.error {
  background: var(--danger);
}

.empty-state,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.empty-state {
  padding: 48px;
  text-align: center;
}

.empty-state h2 {
  margin: 0 0 8px;
}

.detail-view {
  display: grid;
  gap: 16px;
}

.hidden {
  display: none;
}

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

.detail-head h2 {
  font-size: 28px;
  letter-spacing: 0;
  margin: 4px 0 6px;
}

.eyebrow {
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin: 0;
  text-transform: uppercase;
}

.metric-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(112px, 1fr));
  min-width: 360px;
}

.metric {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.metric span {
  color: var(--muted);
  display: block;
  font-size: 12px;
}

.metric strong {
  display: block;
  font-size: 20px;
  margin-top: 6px;
}

.panel-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1.7fr) minmax(300px, 0.8fr);
}

.panel {
  padding: 16px;
}

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

.panel h3 {
  font-size: 16px;
  margin: 0;
}

canvas {
  background: #fbfcfd;
  border: 1px solid var(--line);
  border-radius: 6px;
  display: block;
  max-width: 100%;
  width: 100%;
}

.segments-list {
  display: grid;
  gap: 8px;
}

.segment-link {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  padding: 10px;
  text-decoration: none;
}

.segment-link:hover {
  border-color: var(--accent);
}

.timeline {
  display: grid;
  gap: 8px;
}

.flow-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
}

.timeline-item {
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 6px;
  display: grid;
  gap: 12px;
  grid-template-columns: 88px 120px 1fr;
  padding: 10px;
}

.timeline-time,
.timeline-type {
  color: var(--muted);
  font-size: 12px;
}

.timeline-type {
  font-weight: 800;
}

.timeline-time span {
  display: block;
  margin-top: 4px;
}

.vitals-timeline {
  display: grid;
  gap: 8px;
}

.vitals-row {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  display: grid;
  gap: 10px;
  grid-template-columns: 1.2fr 1fr 1fr;
  padding: 10px;
}

.vitals-row span {
  color: var(--muted);
  display: block;
  font-size: 12px;
}

.vitals-row strong {
  display: block;
  font-size: 16px;
}

.badge {
  border-radius: 999px;
  display: inline-flex;
  font-size: 12px;
  font-weight: 800;
  padding: 4px 8px;
}

.badge.live {
  background: #ffe9d6;
  color: #943b00;
}

.badge.done {
  background: #e4f7ea;
  color: #116329;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    max-height: 42vh;
  }

  .detail-head,
  .status-row {
    display: grid;
    gap: 12px;
  }

  .metric-grid,
  .panel-grid,
  .flow-grid {
    grid-template-columns: 1fr 1fr;
    min-width: 0;
  }

  .timeline-item {
    grid-template-columns: 64px 86px 1fr;
  }
}

@media (max-width: 620px) {
  .content,
  .sidebar {
    padding: 14px;
  }

  .metric-grid,
  .panel-grid,
  .flow-grid {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }
}