:root { --accent: #2e6b62; }
.setup { max-width: 680px; margin: 0 auto; }
.chk { display: inline-flex; align-items: center; gap: 6px; font-weight: 500; color: var(--text); }
.room { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 16px; }
.convo { display: flex; flex-direction: column; height: calc(100vh - 130px); min-height: 520px; padding: 0; overflow: hidden; }
.chat { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.msg { max-width: 82%; padding: 10px 14px; border-radius: 14px; line-height: 1.5; font-size: 15px; white-space: pre-wrap; }
.msg.ai { background: var(--panel-2); align-self: flex-start; border-bottom-left-radius: 4px; }
.msg.me { background: var(--accent); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.msg.sys { align-self: center; font-size: 12px; color: var(--muted); background: none; }
.msg .who { font-size: 11px; font-weight: 700; opacity: .7; margin-bottom: 2px; text-transform: uppercase; letter-spacing: .05em; }
.answer-box { border-top: 1px solid var(--line); padding: 12px 16px; display: grid; gap: 8px; }
#mic.rec { background: var(--bad); color: #fff; border-color: var(--bad); animation: pulse 1.2s infinite; }
.metric { display: grid; grid-template-columns: 1fr auto; gap: 8px; font-size: 13px; padding: 5px 0; border-bottom: 1px solid var(--line); }
.metric b { font-family: var(--mono); }
.star { display: flex; gap: 4px; margin-top: 8px; }
.star span { flex: 1; text-align: center; font-size: 11px; font-weight: 700; padding: 5px 0; border-radius: 6px; background: var(--panel-2); color: var(--muted); }
.star span.on { background: var(--good); color: #fff; }
.q-card { border-left: 4px solid var(--accent); }
.score-pill { font: 800 22px Inter, sans-serif; }
@media (max-width: 900px) { .room { grid-template-columns: 1fr; } .convo { height: 70vh; } }
.skill { padding: 4px 10px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--line); font-size: 13px; }
.skill b { font-family: var(--mono); font-size: 11px; color: var(--muted); margin-left: 4px; }
.story { display: grid; gap: 6px; }
.story .parts { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 4px 8px; font-size: 13px; }
.story .parts b { color: var(--accent); }
.story.match { border-color: var(--accent); }
.tagbtn { border: 1px solid var(--line); background: var(--panel-2); border-radius: 999px; padding: 3px 10px; font-size: 12px; cursor: pointer; color: var(--text); }
.tagbtn.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.drill-q { font-size: 20px; font-weight: 600; line-height: 1.4; }
.drill-timer { font: 700 30px var(--mono); }
.drill-timer.over { color: var(--bad); }