:root {
  --bg: #f6f7f9; --card: #ffffff; --ink: #14181f; --muted: #5b6573; --line: #dfe3e9;
  --accent: #2f5bea; --accent-ink: #ffffff; --accent-soft: #e8eefe;
  --danger: #c62828; --danger-soft: #fdecec; --warn: #8a5a00; --warn-soft: #fff4dc;
  --ok: #17803d; --agent-bg: #eef1f6; --user-bg: #e8eefe; --code-bg: #f0f2f6;
  --radius: 14px; --shadow: 0 1px 2px rgba(20,24,31,.05), 0 8px 24px rgba(20,24,31,.06);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1116; --card: #161b22; --ink: #e8ecf2; --muted: #98a2b3; --line: #29303a;
    --accent: #6d8dff; --accent-ink: #0b1020; --accent-soft: #1d2745;
    --danger: #ff7b72; --danger-soft: #3a1c1f; --warn: #f2c14e; --warn-soft: #362a0d;
    --ok: #4cc27a; --agent-bg: #212832; --user-bg: #1d2745; --code-bg: #0e1116;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
html { color-scheme: light dark; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
.shell { max-width: 720px; margin: 0 auto; padding: 32px 16px 48px; }
.head { margin-bottom: 20px; }
.eyebrow { margin: 0 0 4px; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
h1 { margin: 0 0 8px; font-size: clamp(1.6rem, 5vw, 2.1rem); line-height: 1.2; letter-spacing: -.01em; }
h2 { margin: 0 0 8px; font-size: 1rem; }
.lede { margin: 0; color: var(--muted); max-width: 60ch; }
code { font-family: var(--mono); font-size: .88em; background: var(--code-bg); padding: .1em .35em; border-radius: 5px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.status-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; min-height: 32px; margin-bottom: 12px; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 4px 12px; border-radius: 999px; font-size: .88rem; font-weight: 600; background: var(--agent-bg); color: var(--muted); }
.pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.pill[data-tone="live"] { background: color-mix(in srgb, var(--ok) 16%, transparent); color: var(--ok); }
.pill[data-tone="live"]::before { animation: pulse 1.6s ease-in-out infinite; }
.pill[data-tone="busy"] { background: var(--accent-soft); color: var(--accent); }
.pill[data-tone="warn"] { background: var(--warn-soft); color: var(--warn); }
.pill[data-tone="error"] { background: var(--danger-soft); color: var(--danger); }
.agent-state { color: var(--muted); font-size: .9rem; }
.timer { margin-left: auto; font-variant-numeric: tabular-nums; color: var(--muted); font-size: .95rem; }
@keyframes pulse { 50% { opacity: .35; } }

.notice { border-radius: 10px; padding: 10px 14px; margin-bottom: 12px; background: var(--danger-soft); color: var(--danger); }
.notice[data-tone="warn"], .notice-info { background: var(--warn-soft); color: var(--warn); }
.notice-msg { margin: 0; font-weight: 600; }
.notice-hint { margin: 2px 0 0; font-size: .92rem; }
.notice-hint:empty { display: none; }

.transcript { height: 340px; overflow-y: auto; border: 1px solid var(--line); border-radius: 10px; padding: 12px; display: flex; flex-direction: column; gap: 10px; background: var(--bg); }
.empty { margin: auto; color: var(--muted); text-align: center; }
.line { max-width: 85%; padding: 8px 12px; border-radius: 12px; background: var(--agent-bg); }
.line-user { align-self: flex-end; background: var(--user-bg); }
.line.partial .text { opacity: .65; }
.who { display: block; font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
.text { margin: 0; overflow-wrap: anywhere; }

.summary { margin-top: 12px; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--accent-soft); }
.summary dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; }
.summary dt { color: var(--muted); }
.summary dd { margin: 0; font-weight: 600; }

.text-form { display: flex; gap: 8px; margin-top: 12px; }
.text-form input { flex: 1; min-width: 0; font: inherit; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--ink); }
.controls { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.btn { font: inherit; font-weight: 600; display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px; border-radius: 999px; border: 1px solid transparent; cursor: pointer; }
.btn[hidden], [hidden] { display: none !important; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-secondary { background: var(--card); color: var(--ink); border-color: var(--line); }
.btn-secondary[aria-pressed="true"] { background: var(--warn-soft); color: var(--warn); border-color: var(--warn); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-quiet { background: var(--card); color: var(--ink); border-color: var(--line); min-height: 44px; padding: 0 16px; }
.btn-small { min-height: 32px; padding: 0 12px; font-size: .85rem; }
.btn:hover:not(:disabled) { filter: brightness(1.06); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.hint { margin: 10px 0 0; color: var(--muted); font-size: .9rem; }
.link { background: none; border: 0; padding: 0; font: inherit; color: var(--accent); text-decoration: underline; cursor: pointer; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.api-panel { margin-top: 20px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.api-panel > summary { cursor: pointer; padding: 12px 16px; font-weight: 600; list-style-position: inside; }
.count { display: inline-block; min-width: 1.6em; text-align: center; margin-left: 6px; padding: 0 6px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: .8rem; }
.api-tools { display: flex; align-items: center; gap: 12px; padding: 0 16px 8px; }
.api-note { margin: 0; flex: 1; color: var(--muted); font-size: .88rem; }
.api-log { list-style: none; margin: 0; padding: 0 16px 16px; max-height: 420px; overflow-y: auto; display: flex; flex-direction: column; gap: 6px; }
.log-item { border: 1px solid var(--line); border-radius: 8px; background: var(--code-bg); font-family: var(--mono); font-size: .78rem; }
.log-head { display: flex; gap: 8px; padding: 6px 10px; align-items: baseline; flex-wrap: wrap; }
.log-time { color: var(--muted); }
.method { font-weight: 700; color: var(--accent); }
.url { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.code.ok { color: var(--ok); } .code.bad { color: var(--danger); }
.log-item pre { margin: 0; padding: 6px 10px 8px; border-top: 1px solid var(--line); white-space: pre-wrap; overflow-wrap: anywhere; color: var(--muted); max-height: 180px; overflow: auto; }
.foot { margin-top: 24px; color: var(--muted); font-size: .85rem; text-align: center; }

@media (max-width: 480px) {
  .shell { padding-top: 20px; }
  .transcript { height: 300px; }
  .controls .btn { flex: 1; }
  .line { max-width: 92%; }
}
@media (prefers-reduced-motion: reduce) { .pill::before { animation: none !important; } }