:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #16181d;
  --muted: #646b78;
  --border: #e1e4ea;
  --accent: #3b5bdb;
  --accent-soft: #e7ecff;
  --ok: #2b8a3e;
  --warn: #c2410c;
  --error: #c92a2a;
  --record: #e03131;
  --code-bg: #f1f3f6;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317;
    --panel: #1a1d23;
    --text: #e6e8ec;
    --muted: #959cab;
    --border: #2c313a;
    --accent: #7c93f5;
    --accent-soft: #252c47;
    --ok: #69db7c;
    --warn: #ffa94d;
    --error: #ff8787;
    --code-bg: #22262e;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
header {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  max-width: 1200px; margin: 0 auto; padding: 24px 16px 8px;
}
h1 { margin: 0; font-size: 22px; letter-spacing: -0.01em; display: flex; align-items: center; gap: 10px; }
h1 .logo { width: 28px; height: 28px; flex: none; }
h2 { margin: 0; font-size: 16px; }
h3 { margin: 0; font-size: 15px; }
.brand p { margin: 2px 0 0; color: var(--muted); }
.lab-link {
  display: inline-block; margin-top: 12px; padding: 10px 18px; border-radius: 8px;
  background: var(--accent); color: var(--panel); font-size: 16px; font-weight: 600; text-decoration: none;
}
.lab-link:hover { filter: brightness(1.1); }
.lab-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.muted { color: var(--muted); font-size: 13px; }
.error { color: var(--error); font-size: 13px; margin: 6px 0 0; min-height: 0; }
.error:empty { display: none; }

main {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px;
  max-width: 1200px; margin: 0 auto; padding: 8px 16px 32px;
}
@media (max-width: 860px) { main { grid-template-columns: minmax(0, 1fr); } }
.panel {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; min-width: 0;
}
.panel-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }

.model-status { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.model-status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--warn); }
.model-status.ready .dot { background: var(--ok); }
.model-status.failed .dot { background: var(--error); }
.progress { width: 160px; height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
.progress div { height: 100%; width: 0; background: var(--accent); transition: width 0.15s; }

button, .file-button {
  font: inherit; font-size: 14px; border-radius: 8px; padding: 7px 12px; cursor: pointer;
  border: 1px solid var(--accent); background: var(--accent); color: #fff;
}
button.secondary, .file-button.secondary { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
button.ghost { background: transparent; color: var(--muted); border-color: var(--border); }
button:disabled, .file-button.disabled { opacity: 0.5; cursor: not-allowed; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px;
}
.row { display: flex; gap: 8px; margin-top: 8px; }
.row.end { justify-content: flex-end; }

.tabs { display: flex; gap: 4px; flex-wrap: wrap; border-bottom: 1px solid var(--border); margin-bottom: 8px; }
.tabs button {
  background: transparent; color: var(--muted); border: none; border-bottom: 2px solid transparent;
  border-radius: 0; padding: 6px 10px; margin-bottom: -1px;
}
.tabs button[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }
.scenario-hint { margin: 0 0 8px; }

.tool-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.tool {
  border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px;
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 8px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.tool.called { border-color: var(--ok); box-shadow: 0 0 0 2px color-mix(in srgb, var(--ok) 25%, transparent); }
.tool-name { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-weight: 600; font-size: 14px; overflow-wrap: anywhere; }
.tool-desc { grid-column: 1 / -1; color: var(--muted); font-size: 13px; }
.tool-buttons { display: flex; gap: 4px; }
.tool-buttons button { padding: 2px 8px; font-size: 13px; }
.params { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 4px; }
.param {
  font-family: ui-monospace, Menlo, monospace; font-size: 12px; background: var(--code-bg);
  border-radius: 6px; padding: 2px 6px; overflow-wrap: anywhere;
}
.param .req { color: var(--accent); }
.empty { color: var(--muted); font-size: 13px; padding: 16px; text-align: center; border: 1px dashed var(--border); border-radius: 8px; }
.tool-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

.json-editor textarea {
  width: 100%; min-height: 280px; margin-top: 12px; padding: 10px; resize: vertical;
  font: 12px/1.45 ui-monospace, Menlo, monospace; color: var(--text); background: var(--code-bg);
  border: 1px solid var(--border); border-radius: 8px;
}

.inputs { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.secondary-inputs { margin-top: 12px; gap: 8px; }
.record {
  display: inline-flex; align-items: center; gap: 8px; font-size: 15px; padding: 10px 18px;
  background: var(--record); border-color: var(--record); border-radius: 999px;
}
.record .mic { width: 10px; height: 10px; border-radius: 50%; background: #fff; }
.record.recording .mic { border-radius: 2px; animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: 0.4; } }
.meter { flex: 1; min-width: 80px; max-width: 220px; height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.meter div { height: 100%; width: 0; background: var(--ok); transition: width 0.05s; }
.file-button input { display: none; }
.samples { display: flex; gap: 6px; flex-wrap: wrap; }
.samples button { padding: 4px 10px; font-size: 13px; }
#examples { margin: 12px 0 0; }
.run-panel.dragging { border-color: var(--accent); border-style: dashed; }

.result { margin-top: 20px; border-top: 1px solid var(--border); padding-top: 16px; }
.result-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.result audio { height: 32px; max-width: 100%; }
.call {
  border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; margin-bottom: 8px;
  font-family: ui-monospace, Menlo, monospace; font-size: 14px; overflow-wrap: anywhere;
}
.call .fn { font-weight: 600; color: var(--accent); }
.call .slots { margin: 6px 0 0; padding: 0; list-style: none; font-size: 12px; }
.call .slots li.ok { color: var(--ok); }
.call .slots li.missing, .call .slots li.unknown { color: var(--warn); }
.status-line { font-size: 14px; }
pre {
  background: var(--code-bg); border-radius: 8px; padding: 10px; margin: 8px 0 0;
  font-size: 12px; white-space: pre-wrap; overflow-wrap: anywhere;
}
summary { cursor: pointer; color: var(--muted); font-size: 13px; margin-top: 8px; }
.timings { margin: 10px 0 0; }

dialog {
  width: min(860px, calc(100vw - 32px)); border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--panel); color: var(--text); padding: 20px;
}
dialog::backdrop { background: rgb(0 0 0 / 0.4); }
dialog form > label { display: flex; flex-direction: column; gap: 4px; margin-top: 12px; font-size: 13px; color: var(--muted); }
dialog input, dialog select {
  font: inherit; font-size: 14px; padding: 6px 8px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--bg); color: var(--text); min-width: 0;
}
.params-head { display: flex; justify-content: space-between; align-items: center; margin-top: 16px; font-size: 13px; color: var(--muted); }
.param-row {
  display: grid; grid-template-columns: 1.1fr 0.9fr 1.6fr 0.5fr 0.5fr 1.4fr auto auto; gap: 6px; align-items: center; margin-top: 6px;
}
@media (max-width: 760px) { .param-row { grid-template-columns: 1fr 1fr; } }
.p-req { font-size: 12px; color: var(--muted); display: flex; gap: 4px; align-items: center; white-space: nowrap; }
.param-row button { padding: 4px 10px; }

/* nested tool contexts (Mac control › Granola › Meeting) */
.context-path { display: flex; align-items: center; gap: 6px; margin: 8px 0 0; font-size: 13px; flex-wrap: wrap; }
.context-path .sep { opacity: .5; }
.context-path .crumb { padding: 2px 6px; font-size: 13px; }
.call pre.detail { white-space: pre-wrap; margin: 8px 0 0; padding: 10px 12px; border-radius: 8px;
  background: rgba(127,127,127,.08); font: 13px/1.5 system-ui, sans-serif; }

/* global push-to-talk (serve.py --hotkey) */
.hotkey { display: flex; align-items: center; gap: 10px; margin: 12px 0 0; flex-wrap: wrap; font-size: 13px; }
.hotkey.armed #hotkey-status { color: var(--ok); }
.hotkey .hotkey-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }