:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #1c1f24;
  --muted: #6b7280;
  --border: #e3e6ea;
  --accent: #2563eb;
  --accent-text: #ffffff;
  --danger: #dc2626;
  --user-bg: #e8f0fe;
  --assistant-bg: #f1f3f5;
  --system-bg: transparent;
  --warn-bg: #fff7e6;
  --warn-border: #f5c26b;
  --error-bg: #fdecec;
  --error-border: #f2a1a1;
  --ok: #16a34a;
  --live: #2563eb;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317;
    --panel: #1a1d23;
    --text: #e6e8eb;
    --muted: #9aa1ab;
    --border: #2c313a;
    --accent: #4f8cff;
    --user-bg: #1f2c47;
    --assistant-bg: #242830;
    --warn-bg: #3a2e14;
    --warn-border: #8a6a24;
    --error-bg: #3d1c1c;
    --error-border: #8a3434;
    --ok: #22c55e;
    --live: #4f8cff;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans Armenian", sans-serif;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 1;
}
.topbar h1 { font-size: 18px; margin: 0; }

.status {
  font-size: 13px;
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  white-space: nowrap;
}
.status-ok { color: var(--ok); border-color: var(--ok); }
.status-live { color: var(--live); border-color: var(--live); }
.status-error { color: var(--danger); border-color: var(--danger); }

.layout {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px;
  display: grid;
  gap: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  min-width: 0;
}
.panel h2 { font-size: 15px; margin: 0 0 12px; color: var(--muted); font-weight: 600; }

.banner { padding: 10px 14px; border-radius: 10px; border: 1px solid; }
.banner-warn { background: var(--warn-bg); border-color: var(--warn-border); }
.banner-error { background: var(--error-bg); border-color: var(--error-border); }

.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  align-items: end;
}
.field { display: grid; gap: 4px; }
.field label { font-size: 13px; color: var(--muted); }

input, select, button { font: inherit; color: inherit; }
input, select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
}

.btn {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-small { padding: 4px 10px; font-size: 13px; margin-top: 8px; }
.actions .btn { width: 100%; }

.text-form { grid-column: 1 / -1; display: flex; gap: 8px; }
.text-form input { flex: 1; min-width: 0; }

.transcript {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 50vh;
  min-height: 120px;
  overflow-y: auto;
}
.bubble {
  max-width: 85%;
  padding: 8px 12px;
  border-radius: 12px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.bubble-user { align-self: flex-end; background: var(--user-bg); }
.bubble-assistant { align-self: flex-start; background: var(--assistant-bg); }
.bubble-system { align-self: center; background: var(--system-bg); color: var(--muted); font-size: 13px; }
.bubble.partial { opacity: 0.7; }
.bubble.interrupted { border-left: 3px solid var(--danger); }
.bubble a { color: var(--accent); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  min-width: 0;
}
.card h3 { margin: 0 0 8px; font-size: 15px; }
.card dl { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; margin: 0; font-size: 14px; }
.card dt { color: var(--muted); }
.card dd { margin: 0; }
.card pre { margin: 0; font-size: 12px; white-space: pre-wrap; overflow-wrap: anywhere; }

.table-wrap { overflow-x: auto; }
.metrics { width: 100%; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
.metrics th, .metrics td { padding: 6px 8px; border-bottom: 1px solid var(--border); text-align: right; white-space: nowrap; }
.metrics th:nth-child(6), .metrics td:nth-child(6) { text-align: left; }
.metrics th { color: var(--muted); font-weight: 600; }
.metrics tr.empty td { text-align: center; }

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