:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --border: #d5dbe1;
  --text: #16202a;
  --muted: #5a6877;
  --ok: #17703a;
  --ok-bg: #dff3e6;
  --warn: #8a5300;
  --warn-bg: #fdecc8;
  --off: #4c5866;
  --off-bg: #e3e7eb;
  --bad: #a3261c;
  --bad-bg: #fbe0dd;
  --accent: #1d5fa8;
  --done-bg: #dcebf9;
  --dev: #6b2fb0;
  --dev-bg: #ede2fa;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11161b;
    --surface: #1b232b;
    --border: #2f3a45;
    --text: #e8edf2;
    --muted: #9aa8b6;
    --ok: #6fd095;
    --ok-bg: #173826;
    --warn: #f0c070;
    --warn-bg: #3d2f12;
    --off: #aab6c2;
    --off-bg: #2a333c;
    --bad: #ff9d94;
    --bad-bg: #44211e;
    --accent: #7ab4ee;
    --done-bg: #1d3550;
    --dev: #c9a2f5;
    --dev-bg: #2f2144;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.4 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 20px 16px 12px;
}

h1 {
  margin: 0;
  font-size: 1.6rem;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.summary {
  margin: 6px 0 0;
  color: var(--muted);
}

.connection {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-weight: 600;
}

.connection[data-state='live'] {
  color: var(--ok);
}
.connection[data-state='connecting'],
.connection[data-state='reconnecting'] {
  color: var(--warn);
}
.connection[data-state='rejected'] {
  color: var(--bad);
}

.banner {
  margin: 0 16px 12px;
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--warn-bg);
  color: var(--warn);
  font-weight: 600;
  overflow-wrap: anywhere;
}
.banner[data-kind='error'] {
  background: var(--bad-bg);
  color: var(--bad);
}

main {
  padding: 0 16px 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: 16px;
}

/* While the dashboard's own connection is down, every card is last-known data. */
body.disconnected .grid {
  filter: grayscale(0.8);
}

.card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
}
.card[data-presence='stale'] {
  border-style: dashed;
}
.card[data-presence='offline'] {
  border-style: dashed;
  color: var(--muted);
}

.card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
}

h2 {
  margin: 0;
  font-size: 1.25rem;
  overflow-wrap: anywhere;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 700;
}
.pill::before {
  content: '';
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: currentColor;
}
.pill[data-presence='online'] {
  color: var(--ok);
  background: var(--ok-bg);
}
.pill[data-presence='stale'] {
  color: var(--warn);
  background: var(--warn-bg);
}
/* Hollow dot, so offline is distinguishable from online without relying on colour. */
.pill[data-presence='offline'] {
  color: var(--off);
  background: var(--off-bg);
}
.pill[data-presence='offline']::before {
  background: transparent;
  border: 2px solid currentColor;
}
.pill[data-kind='dev'] {
  color: var(--dev);
  background: var(--dev-bg);
}
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.seen {
  margin: -6px 0 0;
  color: var(--muted);
  font-size: 0.875rem;
}

.activity {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.activity-main {
  font-size: 1.1rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}
.activity-main[data-running='true'] {
  color: var(--accent);
}
.activity-main[data-reported='false'] {
  color: var(--muted);
  font-weight: 600;
}
.activity-sub {
  color: var(--muted);
  font-size: 0.9rem;
}

.section-label {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.devices {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.device {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 8px;
  font-size: 0.9rem;
  background: var(--off-bg);
  color: var(--off);
}
.device[data-health='connected'] {
  background: var(--ok-bg);
  color: var(--ok);
}
.device[data-health='disconnected'],
.device[data-health='failed'] {
  background: var(--bad-bg);
  color: var(--bad);
  font-weight: 700;
}
/* A device this sim is not meant to have: visibly absent, but not a fault. */
.device[data-health='not_fitted'] {
  background: transparent;
  border: 1px dashed var(--border);
  color: var(--muted);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.chip {
  padding: 3px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--muted);
}
.chip[data-done='true'] {
  border-color: transparent;
  background: var(--done-bg);
  color: var(--accent);
  font-weight: 700;
}
.sessions {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.empty {
  color: var(--muted);
}