/* Shared browser UI: quiet neutral surfaces, readable type, no external assets. */
:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f3f3f2;
  --text: #202020;
  --muted: #626262;
  --border: #e2e2e0;
  --primary: #252525;
  --primary-strong: #080808;
  --on-primary: #ffffff;
  --focus: #505050;
  --sidebar-surface: #f7f7f6;
  --chart-track: #e9e9e7;
  font-size: 16px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft JhengHei", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #202020;
    --surface: #202020;
    --surface-soft: #2b2b2b;
    --text: #ededed;
    --muted: #b0b0b0;
    --border: #3b3b3b;
    --primary: #ededed;
    --primary-strong: #ffffff;
    --on-primary: #1c1c1c;
    --focus: #cccccc;
    --sidebar-surface: #181818;
    --chart-track: #3a3a3a;
  }
}
.app-header { background: var(--surface); backdrop-filter: none; border-bottom-color: var(--border); }
.panel { box-shadow: none; border-radius: 12px; }
.eyebrow { color: var(--muted); font-weight: 500; letter-spacing: .04em; }
h1, h2 { font-weight: 650; }
h2 { font-size: 1.25rem; }
.button { font-weight: 550; border-radius: 9px; }
a.button { text-decoration: none; }
.button:hover { box-shadow: none; }
.button.secondary:hover { background: var(--surface-soft); }
.status, .count { color: var(--text); font-weight: 500; }
input, select, textarea { border-radius: 9px; }
.header-actions { flex-wrap: wrap; }
.overview-kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; margin: 1.5rem 0 2rem; }
.overview-kpi { margin: 0; padding-left: 1rem; border-left: 1px solid var(--border); }
.overview-kpi dt { color: var(--muted); font-size: .9rem; }
.overview-kpi dd { margin: .5rem 0 0; font-size: clamp(1.8rem, 4vw, 2.7rem); font-weight: 650; font-variant-numeric: tabular-nums; letter-spacing: -.04em; }
.overview-bars { list-style: none; padding: 0; margin: 1rem 0; display: grid; gap: .8rem; }
.overview-bar { display: grid; grid-template-columns: 7rem minmax(0, 1fr) 4rem; align-items: center; gap: .8rem; font-size: .9rem; }
.overview-track { height: 10px; background: var(--chart-track); border-radius: 3px; overflow: hidden; }
.overview-fill { display: block; height: 100%; background: var(--text); }
.overview-value { text-align: right; font-variant-numeric: tabular-nums; }
.overview-source { color: var(--muted); font-size: .85rem; }
.inbox-event { border-top: 1px solid var(--border); padding: 1.25rem 0; overflow-wrap: anywhere; }
.inbox-texts { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1rem; }
.inbox-texts section { padding: .8rem; background: var(--surface-soft); border-radius: 8px; }
.inbox-texts h4 { margin: 0 0 .5rem; color: var(--muted); }
.inbox-texts p { white-space: pre-wrap; }
.inbox-event textarea { font: inherit; min-height: 80px; width: 100%; padding: .65rem; margin-bottom: .75rem; color: var(--text); background: var(--surface); border: 1px solid var(--border); }
@media (max-width:600px) { .inbox-texts { grid-template-columns: 1fr; } }
@media (max-width: 600px) {
  .overview-kpis { grid-template-columns: 1fr; gap: 1rem; }
  .overview-kpi { display: flex; align-items: baseline; justify-content: space-between; }
  .overview-bar { grid-template-columns: 6rem minmax(0, 1fr) 3rem; gap: .5rem; }
}
@media (prefers-reduced-motion: reduce) { .button { transition: none; } }