:root {
  --bg: #0f1117;
  --panel: #171a23;
  --panel-2: #1d2130;
  --line: #2a2f3d;
  --text: #e6e8ee;
  --muted: #8b90a0;
  --accent: #4f8cff;
  --ok: #3ecf8e;
  --err: #ff6b6b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
}

main {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 16px 16px 40px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

h1 { font-size: 1.4rem; margin: 0; }
.sub { color: var(--muted); margin: 0; font-size: 0.9rem; line-height: 1.5; }
.hint { color: var(--muted); font-size: 0.8rem; margin: 8px 0 0; }
.footnote { color: var(--muted); font-size: 0.75rem; line-height: 1.5; }

/* ---------- lobby ---------- */
body.lobby main { max-width: 620px; padding-top: 48px; gap: 20px; }

/* ---------- chrome ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; }
.brand code { color: var(--accent); background: var(--panel-2); padding: 2px 8px; border-radius: 6px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.expiry { color: var(--muted); font-size: 0.78rem; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
}

.row { display: flex; align-items: center; gap: 10px; }
.row.wrap { flex-wrap: wrap; }
.setup label { display: flex; flex-direction: column; gap: 4px; font-size: 0.72rem; color: var(--muted); }
.setup .row + .row { margin-top: 12px; }

button, input, select {
  font: inherit;
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
}
button { cursor: pointer; }
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: 0.45; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.primary.rec { background: var(--err); border-color: var(--err); }
button.ghost { background: none; color: var(--muted); font-size: 0.8rem; padding: 6px 10px; }
button.ghost:hover { color: var(--text); }
input { min-width: 0; }

.level { display: inline-block; width: 54px; height: 8px; border-radius: 4px; background: var(--line); overflow: hidden; }
.level::after {
  content: ""; display: block; height: 100%;
  width: var(--lvl, 0%); background: var(--ok); transition: width 80ms linear;
}
.status { font-size: 0.8rem; color: var(--muted); }
.status.live { color: var(--ok); }
.status.error { color: var(--err); }

/* ---------- roster ---------- */
.roster { display: flex; flex-wrap: wrap; gap: 8px; }
.who-chip {
  display: flex; align-items: center; gap: 6px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 999px; padding: 5px 12px; font-size: 0.8rem;
}
.who-chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--line); }
.who-chip.live .dot { background: var(--ok); box-shadow: 0 0 0 3px rgba(62, 207, 142, 0.18); }
.who-chip .tag { color: var(--muted); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; }
.who-chip.me { border-color: var(--accent); }

/* ---------- feed ---------- */
.feed {
  min-height: 300px;
  max-height: 62dvh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;
}
.feed .empty { color: var(--muted); font-size: 0.85rem; margin: auto; text-align: center; }

.utt { display: flex; flex-direction: column; gap: 3px; }
.utt .meta { display: flex; align-items: baseline; gap: 8px; font-size: 0.72rem; color: var(--muted); }
.utt .who { color: var(--text); font-weight: 600; }
.utt.mine .who { color: var(--accent); }
.utt .tag { text-transform: uppercase; letter-spacing: 0.05em; }
.utt .primary-text { font-size: 1.02rem; line-height: 1.5; }
.utt .second-text { font-size: 0.85rem; color: var(--muted); line-height: 1.45; }
.utt .pending { color: var(--muted); font-style: italic; }
.utt.interim .primary-text { color: var(--muted); font-style: italic; }

.say { display: flex; gap: 8px; padding: 10px; }
.say input { flex: 1; }

.banner {
  border: 1px solid var(--err);
  color: var(--err);
  background: rgba(255, 107, 107, 0.08);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  .setup label { flex: 1 1 45%; }
  .feed { max-height: 50dvh; }
  .topbar { padding: 8px 12px; }
}