:root {
  --bg: #07090d;
  --panel: #10141c;
  --panel-2: #161b26;
  --line: #232a38;
  --text: #e8ecf3;
  --muted: #8a93a6;
  --accent: #5b8cff;
  --ok: #34d399;
  --warn: #f59e0b;
  --bad: #f87171;
  --radius: 14px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
button, input, select, textarea { font: inherit; color: inherit; }
textarea { resize: vertical; }
button { cursor: pointer; }
a { color: var(--accent); }
.hidden { display: none !important; }

/* Shell */
.shell { display: grid; grid-template-rows: auto auto 1fr auto; height: 100dvh; max-width: 760px; margin: 0 auto; }
.top { display: flex; align-items: center; justify-content: space-between; padding: 10px 16px 0; }
.top h1 { font-size: 18px; letter-spacing: .08em; margin: 0; font-weight: 600; }
.icon-btn { background: none; border: 1px solid var(--line); border-radius: 999px; width: 38px; height: 38px; display: grid; place-items: center; }
.icon-btn:hover { border-color: var(--accent); }
.stage { position: relative; height: min(36vh, 300px); }
.stage canvas { width: 100%; height: 100%; display: block; }
.status { position: absolute; left: 0; right: 0; bottom: 6px; text-align: center; color: var(--muted); font-size: 14px; min-height: 20px; }

/* Conversation */
.chat { overflow-y: auto; padding: 8px 16px 12px; scroll-behavior: smooth; }
.msg { max-width: 88%; margin: 8px 0; padding: 10px 14px; border-radius: var(--radius); white-space: pre-wrap; word-wrap: break-word; }
.msg.user { margin-left: auto; background: #1d2a4d; border-bottom-right-radius: 4px; }
.msg.val { background: var(--panel); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.msg.err { border-color: #5a2a2a; }
.msg .meta { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; margin-top: 4px; }
.play { background: none; border: 1px solid var(--line); border-radius: 999px; width: 26px; height: 26px; padding: 0; display: inline-grid; place-items: center; color: var(--muted); }
.play:hover, .play:focus-visible { color: var(--text); border-color: var(--accent); }
.more { display: block; margin: 4px auto 10px; background: none; border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; color: var(--muted); }
.card { background: var(--panel-2); border: 1px solid var(--warn); border-radius: var(--radius); padding: 12px 14px; margin: 10px 0; }
.card.done { border-color: var(--line); opacity: .7; }
.card p { margin: 0 0 10px; }
.card .row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.card input { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; width: 130px; }
.btn { border: 1px solid var(--line); background: var(--panel); border-radius: 10px; padding: 8px 14px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { border-color: #5a2a2a; color: var(--bad); }
.btn:disabled { opacity: .5; cursor: default; }
.note { color: var(--muted); font-size: 13px; }
.bad { color: var(--bad); }

/* Composer */
.composer { display: flex; gap: 8px; align-items: center; padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); background: var(--bg); }
.composer input { flex: 1; min-width: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 999px; padding: 11px 16px; }
.composer input:focus { outline: none; border-color: var(--accent); }
.round { width: 46px; height: 46px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel); display: grid; place-items: center; flex: none; }
.round.on { background: var(--accent); border-color: var(--accent); }
.round.rec { background: var(--bad); border-color: var(--bad); }
.pill { border-radius: 999px; border: 1px solid var(--line); background: var(--panel); padding: 10px 12px; font-size: 14px; flex: none; }
.pill.on { background: #123a2c; border-color: var(--ok); color: var(--ok); }

/* Sign-in */
.login { min-height: 100dvh; display: grid; place-items: center; padding: 16px; }
.login form { width: min(360px, 100%); background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 24px; display: grid; gap: 12px; }
.login canvas { width: 160px; height: 160px; margin: 0 auto; display: block; }
.login input { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 12px; }

/* Settings */
.settings { overflow-y: auto; padding: 8px 16px 40px; }
.settings section { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; margin: 12px 0; }
.settings h2 { font-size: 16px; margin: 0 0 10px; }
.settings table { width: 100%; border-collapse: collapse; font-size: 14px; }
.settings td { padding: 6px 4px; border-top: 1px solid var(--line); vertical-align: middle; }
.settings select, .settings .field { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; }
.settings code { background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; font-size: 13px; }
.check { display: flex; gap: 10px; align-items: baseline; padding: 6px 0; border-top: 1px solid var(--line); }
.check:first-of-type { border-top: 0; }
.dot { width: 10px; height: 10px; border-radius: 99px; background: var(--bad); flex: none; transform: translateY(1px); }
.dot.ok { background: var(--ok); }
.voices { display: grid; gap: 8px; margin-top: 10px; }
.voice { display: flex; gap: 8px; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 8px; font-size: 14px; }
@media (max-width: 480px) { .msg { max-width: 94%; } .pill { padding: 10px; } }