/*
  Mobile-first viewer styles (Task 8 functional baseline; Task 11 polishes).
  Design goals: single-column, one-handed phone layout, no horizontal scroll,
  and an unmistakable calm/clear vs queue distinction (FR-4/FR-7/AC-9).
*/

:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --queue: #f59e0b;
  --queue-strong: #b45309;
  --clear: #10b981;
  --clear-strong: #047857;
  --unavailable: #f87171;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.4;
}

.app {
  max-width: 34rem;
  margin: 0 auto;
  padding: 1.25rem 1rem calc(2rem + env(safe-area-inset-bottom));
}

.masthead h1 {
  margin: 0;
  font-size: 1.6rem;
  letter-spacing: -0.01em;
}

.tagline {
  margin: 0.25rem 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.portals {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.portal {
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  background: var(--surface);
  border-left: 6px solid var(--muted);
}

.portal--queue {
  border-left-color: var(--queue);
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.14), rgba(30, 41, 59, 1));
}

.portal--clear {
  border-left-color: var(--clear);
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.12), rgba(30, 41, 59, 1));
}

.portal__name {
  margin: 0;
  font-size: 1.25rem;
}

.portal__direction {
  margin: 0.15rem 0 0.6rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.portal__status {
  margin: 0 0 0.75rem;
  font-weight: 700;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.portal--queue .portal__status {
  color: var(--queue);
}

.portal--clear .portal__status {
  color: var(--clear);
}

.portal__metrics {
  display: flex;
  gap: 1.5rem;
  margin: 0;
}

.metric dt {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.metric dd {
  margin: 0.1rem 0 0;
  font-size: 1.4rem;
  font-variant-numeric: tabular-nums;
}

.freshness {
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.attribution {
  margin: 1.5rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  color: var(--muted);
  font-size: 0.75rem;
}

.unavailable {
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid var(--unavailable);
  color: var(--unavailable);
  font-weight: 600;
}

/* When the app is unavailable, dim any last-known cards to signal they are stale. */
.app[data-state="unavailable"] .portals {
  opacity: 0.45;
  filter: grayscale(0.4);
}