:root {
  --bg: #f5f7f9;
  --panel: #ffffff;
  --text: #17212b;
  --muted: #5d6b78;
  --line: #dfe5ea;
  --accent: #1f5f8b;
  --accent-soft: #e4eff7;
  --on-accent: #ffffff;
  --caller: #eef1f4;
  --agent: #e4eff7;
  --ok: #1d7a4c;
  --ok-soft: #e2f4ea;
  --warn: #9a5b00;
  --warn-soft: #fbf0dc;
  --bad: #b3261e;
  --bad-soft: #fbe7e5;
  --ai: #6a3fb5;
  --ai-soft: #efe8fa;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f151b; --panel: #172029; --text: #e6edf3; --muted: #95a3b0; --line: #2a3642;
    --accent: #6cb4e6; --accent-soft: #1b3346; --on-accent: #0f151b; --caller: #212c37; --agent: #1b3346;
    --ok: #6fd3a0; --ok-soft: #173427; --warn: #f0b85a; --warn-soft: #3a2c12;
    --bad: #ff8a80; --bad-soft: #3d1c1a; --ai: #c3a6f5; --ai-soft: #2b2140;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex; flex-direction: column;
}
.muted { color: var(--muted); }
.pad { padding: 0 16px; }
a { color: var(--accent); }
button, input { font: inherit; color: inherit; }
button { cursor: pointer; border-radius: 8px; padding: 7px 12px; border: 1px solid var(--line); background: var(--panel); }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); font-weight: 600; }
button.ghost:hover { background: var(--accent-soft); }
input[type=search], input[name] {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg);
}
input:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.alert { background: var(--bad-soft); color: var(--bad); padding: 10px 12px; border-radius: 8px; margin: 12px; }

/* login */
.login-page { align-items: center; justify-content: center; padding: 16px; }
.login-card {
  display: block; flex: 0 1 auto;
  width: 100%; max-width: 360px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 14px; padding: 28px; text-align: center;
}
.login-card h1 { margin: 10px 0 0; font-size: 22px; }
.login-card .alert { margin: 12px 0 0; text-align: left; }
.login-card form { display: grid; gap: 14px; margin-top: 20px; text-align: left; }
.login-card label { display: grid; gap: 6px; font-weight: 600; font-size: 14px; }

/* top bar */
.topbar {
  display: flex; align-items: center; gap: 16px; padding: 10px 16px;
  background: var(--panel); border-bottom: 1px solid var(--line); flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.brand div { display: flex; flex-direction: column; line-height: 1.2; }
.brand .muted { font-size: 13px; }
.tabs { display: flex; gap: 4px; }
.tabs a { text-decoration: none; color: var(--muted); padding: 7px 14px; border-radius: 8px; font-weight: 600; }
.tabs a.active { background: var(--accent-soft); color: var(--accent); }
.who { display: flex; align-items: center; gap: 10px; margin: 0; }

main { flex: 1; min-height: 0; display: flex; }
main > section { flex: 1; min-height: 0; }

/* calls */
.calls { display: grid; grid-template-columns: 340px 1fr; }
.call-list { border-right: 1px solid var(--line); background: var(--panel); display: flex; flex-direction: column; min-height: 0; }
.list-tools { display: flex; gap: 8px; padding: 12px 16px; }
#calls-status { font-size: 13px; margin: 0 0 6px; }
.rows { list-style: none; margin: 0; padding: 0; overflow-y: auto; flex: 1; }
.row { display: block; padding: 10px 16px; border-top: 1px solid var(--line); text-decoration: none; color: inherit; }
.row:hover { background: var(--bg); }
.row.selected { background: var(--accent-soft); box-shadow: inset 3px 0 var(--accent); }
.row-top, .row-bottom { display: flex; justify-content: space-between; gap: 8px; }
.row-bottom { font-size: 13px; margin-top: 2px; }
.badge { font-size: 12px; padding: 1px 8px; border-radius: 99px; background: var(--caller); color: var(--muted); text-transform: capitalize; }
.badge.completed { background: var(--ok-soft); color: var(--ok); }
.badge.error, .badge.failed { background: var(--bad-soft); color: var(--bad); }
.badge.in-progress, .badge.queued { background: var(--warn-soft); color: var(--warn); }

.detail { overflow-y: auto; padding: 20px 28px 40px; min-height: 0; }
.detail .empty { color: var(--muted); padding: 60px 0; text-align: center; }
.detail-head h2 { margin: 0; font-size: 20px; }
.detail-head p { margin: 2px 0 0; }
.back { display: none; text-decoration: none; margin-bottom: 8px; }
.detail h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 24px 0 8px; }
.meta { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 16px 0 0; font-size: 14px; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; overflow-wrap: anywhere; }
.error-text { color: var(--bad); }
.summary { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; margin: 0; white-space: pre-wrap; }
audio { width: 100%; max-width: 520px; }
.transcript { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; max-width: 760px; }
.turn { padding: 10px 14px; border-radius: var(--radius); max-width: 85%; }
.turn p { margin: 2px 0 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.turn-head { display: flex; gap: 10px; font-size: 12px; font-weight: 600; color: var(--muted); }
.turn.caller { background: var(--caller); align-self: flex-start; }
.turn.agent { background: var(--agent); align-self: flex-end; }
.turn.action { align-self: center; background: none; border: 1px dashed var(--line); font-size: 13px; color: var(--muted); }

/* calendar */
.calendar { padding: 16px; overflow-y: auto; }
.cal-tools { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.cal-tools h2 { margin: 0; font-size: 18px; flex: 1; }
.btn-group { display: flex; gap: 4px; }
.check { display: flex; gap: 6px; align-items: center; font-size: 14px; }
#cal-status { min-height: 1.4em; margin: 10px 0; }
.week { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 8px; }
.day { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); min-height: 180px; display: flex; flex-direction: column; }
.day header { display: flex; align-items: baseline; gap: 6px; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.day .dow { color: var(--muted); font-size: 13px; text-transform: uppercase; }
.day .dom { font-weight: 700; font-size: 18px; }
.day.today header { color: var(--accent); }
.day.today { border-color: var(--accent); }
.day ul { list-style: none; margin: 0; padding: 8px; display: flex; flex-direction: column; gap: 6px; }
.event { border-left: 3px solid var(--accent); background: var(--bg); border-radius: 6px; padding: 6px 8px; font-size: 13px; display: grid; gap: 2px; overflow-wrap: anywhere; }
.event.ai { border-left-color: var(--ai); background: var(--ai-soft); }
.event .time { color: var(--muted); font-size: 12px; }
.tag { justify-self: start; font-size: 11px; font-weight: 600; color: var(--ai); text-decoration: none; }
.event details summary { cursor: pointer; color: var(--muted); font-size: 12px; }
.desc { white-space: pre-wrap; margin: 4px 0 0; }
.none { text-align: center; }

@media (max-width: 1000px) {
  .week { grid-template-columns: 1fr; }
  .day { min-height: 0; }
}
@media (max-width: 760px) {
  .calls { grid-template-columns: 1fr; }
  .call-list { border-right: 0; }
  .has-detail .call-list { display: none; }
  body:not(.has-detail) .detail { display: none; }
  .detail { padding: 16px; }
  .back { display: inline-block; }
  .turn { max-width: 100%; }
  .who .muted { display: none; }
}