:root {
  --bg: #0f1218;
  --panel: #171b23;
  --panel-2: #1e232d;
  --border: #2a3140;
  --text: #e6e9ef;
  --muted: #8b93a5;
  --accent: #1f6feb;
  --accent-2: #3b82f6;
  --ok: #22c55e;
  --warn: #f59e0b;
  --err: #ef4444;
  --user: #243b5c;
  --assistant: #1f2a3a;
  --tool: #2b2440;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

:root { color-scheme: dark; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  height: 100%;
}

body { display: flex; flex-direction: column; min-height: 100vh; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand h1 { margin: 0; font-size: 18px; font-weight: 600; letter-spacing: .2px; }
.brand .sub { margin: 0; color: var(--muted); font-size: 12px; }

.dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--muted);
  box-shadow: 0 0 0 0 rgba(34,197,94,0);
  transition: background .2s;
}
.dot[data-state="connecting"] { background: var(--warn); animation: pulse 1s infinite; }
.dot[data-state="live"]       { background: var(--ok); animation: pulse 1.6s infinite; }
.dot[data-state="speaking"]   { background: var(--accent-2); animation: pulse .6s infinite; }
.dot[data-state="error"]      { background: var(--err); }

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(255,255,255,.25); }
  70%  { box-shadow: 0 0 0 8px rgba(255,255,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,255,255,0); }
}

.property {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-2);
  min-width: 220px;
}
.property-name { font-weight: 600; }
.property-meta { color: var(--muted); font-size: 12px; }
.property--error { border-color: var(--err); color: #fca5a5; font-size: 12px; }

.layout {
  flex: 1;
  display: grid;
  grid-template-columns: 300px 1fr 380px;
  gap: 14px;
  padding: 14px 20px 20px;
  min-height: 0;
}
@media (max-width: 1100px) {
  .layout { grid-template-columns: 1fr; }
  .topbar { position: sticky; top: 0; z-index: 2; }
  .transcript { order: -1; height: 55vh; }
  .events { max-height: 300px; }
  button.link { padding: 6px 8px; }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.panel-title {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
}
.panel-title h2 { margin: 0; font-size: 13px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); }

.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.field span { color: var(--muted); font-size: 12px; }
.field input {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 10px; font-size: 14px;
}
.field input:focus { outline: none; border-color: var(--accent-2); }

.buttons { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
button {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 12px; font-size: 14px; cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--accent-2); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); font-weight: 600; }
button.danger:not(:disabled) { border-color: var(--err); color: #fca5a5; }
button.link { background: none; border: none; color: var(--muted); padding: 0; font-size: 12px; }
button.link:hover { color: var(--text); }
button[aria-pressed="true"] { border-color: var(--warn); color: #fcd34d; }

.meter { height: 6px; background: var(--panel-2); border-radius: 3px; overflow: hidden; margin-bottom: 14px; }
.meter-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--ok), var(--warn)); transition: width 60ms linear; }

.facts { display: grid; grid-template-columns: auto 1fr; gap: 4px 10px; margin: 0 0 12px; font-size: 12px; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-family: var(--mono); word-break: break-all; }

.hint { color: var(--muted); font-size: 12px; margin: 0; }

.transcript-body {
  flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 10px;
  padding-right: 4px;
}
.empty { color: var(--muted); font-size: 13px; padding: 20px; text-align: center; }

.msg {
  max-width: 85%;
  padding: 8px 12px;
  border-radius: 12px;
  white-space: pre-wrap;
  word-break: break-word;
}
.msg.user { align-self: flex-end; background: var(--user); border-bottom-right-radius: 4px; }
.msg.assistant { align-self: flex-start; background: var(--assistant); border-bottom-left-radius: 4px; }
.msg.system { align-self: center; color: var(--muted); font-size: 12px; background: none; }
.msg .who { display: block; font-size: 11px; color: var(--muted); margin-bottom: 2px; }
.msg.pending { opacity: .7; }
.msg.pending::after { content: " ▍"; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.tool {
  align-self: stretch;
  background: var(--tool);
  border: 1px solid #3b3358;
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 12px;
}
.tool summary { cursor: pointer; font-family: var(--mono); }
.tool summary .status { float: right; color: var(--muted); }
.tool summary .status.ok { color: var(--ok); }
.tool summary .status.err { color: var(--err); }
.tool pre {
  margin: 6px 0 0; padding: 6px 8px; background: rgba(0,0,0,.25); border-radius: 6px;
  font-family: var(--mono); font-size: 11px; white-space: pre-wrap; word-break: break-word; max-height: 240px; overflow: auto;
}
.tool .label { color: var(--muted); margin-top: 6px; }

.events-body {
  flex: 1; margin: 0; overflow: auto;
  font-family: var(--mono); font-size: 11px; line-height: 1.4;
  color: #b6bdcc; white-space: pre-wrap; word-break: break-all;
}
.events-body .t { color: var(--muted); }
.events-body .out { color: #93c5fd; }
.events-body .err { color: #fca5a5; }

.toggle { color: var(--muted); font-size: 12px; display: flex; gap: 6px; align-items: center; }