/* Native controls and existing violet tokens, with comfortable mobile targets. */
.conversation-home{max-width:1000px;margin:0 auto}
.conversation-intro h2{font-size:clamp(26px,4vw,38px);margin:8px 0 12px;line-height:1.15}
.conversation-intro>p{max-width:590px;line-height:1.65}
.conversation-modes{display:flex;gap:10px;margin:24px 0 30px;flex-wrap:wrap}
.conversation-home .btn,.conversation-session .btn{min-height:48px;white-space:normal}
.conversation-section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 16px;flex-wrap:wrap}
.conversation-section-head h3{margin:0;font-size:18px}
.conversation-random{display:flex;align-items:center;gap:8px;min-height:44px;color:var(--muted);font-size:13px;cursor:pointer}
.conversation-random input{width:18px;height:18px;margin:0;accent-color:var(--accent)}
.conversation-topics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.conversation-topic{display:flex;align-items:center;gap:14px;text-align:left;min-height:82px;width:100%;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:16px;padding:16px;transition:border-color .15s,background .15s}
.conversation-topic:hover,.conversation-topic:focus-visible{border-color:var(--accent);background:var(--panel2)}
.conversation-topic-icon{display:grid;place-items:center;width:42px;height:42px;flex:0 0 42px;border-radius:13px;background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent2)}
.conversation-topic-icon .lb-icon{width:22px;height:22px}
.conversation-topic>span:nth-child(2){flex:1;min-width:0}
.conversation-topic b,.conversation-topic small{display:block}
.conversation-topic b{font-size:15px;line-height:1.4}
.conversation-topic small{font-size:12px;color:var(--muted);line-height:1.5;margin-top:4px}
.conversation-topic>.lb-icon{color:var(--muted);flex-shrink:0;width:17px}
.conversation-progress{display:flex;gap:14px 24px;flex-wrap:wrap;padding:24px 0 12px;color:var(--muted);font-size:12px}
.conversation-progress b{color:var(--text);font-size:15px;margin-right:3px}
.conversation-review{margin-top:8px}
.conversation-footnote{font-size:12px;line-height:1.6;margin-top:20px}
.conversation-session{max-width:760px;margin:0 auto}
.conversation-session-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px;color:var(--muted);font-size:13px}
.conversation-session .text-btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;padding:8px 5px;font-size:13px;white-space:normal}
.conversation-card{padding:clamp(20px,4vw,38px);border-radius:24px}
.conversation-card h2{font-size:clamp(26px,4vw,38px);line-height:1.25;overflow-wrap:anywhere;margin:14px 0 18px}
.conversation-question-tools{display:flex;gap:6px 20px;flex-wrap:wrap}
.conversation-translation{color:var(--muted);font-size:16px;line-height:1.6;margin:10px 0}
.conversation-help,.conversation-model{border-left:3px solid var(--accent);background:color-mix(in srgb,var(--accent) 6%,transparent);border-radius:0 12px 12px 0;padding:14px 18px;margin-top:10px}
.conversation-help p,.conversation-model p{margin:8px 0;line-height:1.6}
.conversation-recorder{display:flex;align-items:center;flex-direction:column;gap:12px;padding:32px 0 22px;text-align:center}
.conversation-record-btn{min-width:220px;max-width:100%;font-size:16px;padding:15px 24px;border-radius:16px}
.conversation-record-btn .lb-icon{width:21px;height:21px}
.conversation-recorder>small{font-size:12px;line-height:1.6}
.conversation-live{display:flex;gap:10px;align-items:center;color:var(--muted)}
.conversation-live b{font-size:32px;font-variant-numeric:tabular-nums;color:var(--text);min-width:78px}
.conversation-record-dot{width:9px;height:9px;border-radius:50%;background:#ff7c9b;box-shadow:0 0 0 5px #ff7c9b16}
#conversationTimeBar{width:100%;height:5px;accent-color:var(--accent);border:0;border-radius:10px;overflow:hidden}
#conversationTimeBar::-webkit-progress-bar{background:var(--line)}
#conversationTimeBar::-webkit-progress-value{background:var(--accent)}
.conversation-playback{display:flex;flex-direction:column;gap:10px;padding:16px 0;border-top:1px solid var(--line)}
.conversation-playback label{font-size:14px}
.conversation-playback audio{display:block;width:100%;min-width:0;height:48px;color-scheme:dark}
.conversation-playback>.text-btn{align-self:flex-start}
.conversation-playback>small{font-size:11px;margin-top:-8px}
.conversation-example{margin:12px 0}
.conversation-actions{display:flex;gap:10px;flex-wrap:wrap}
.conversation-actions>.btn{flex:1}
.conversation-self-review{display:grid;gap:12px;border-top:1px solid var(--line);padding-top:20px;margin-top:20px}
.conversation-self-review>span{font-size:13px}
.conversation-outcome{margin:0;color:var(--accent2);font-size:13px;line-height:1.5}
.conversation-next{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:18px 0 30px}
.conversation-next small{max-width:310px;font-size:12px;line-height:1.5}
.conversation-next .btn{flex-shrink:0}
.conversation-notice{font-size:13px;line-height:1.6}
.conversation-summary{text-align:center;padding:40px 24px}
.conversation-summary .conversation-actions{margin-top:26px}
.conversation-summary-icon{display:block;color:var(--accent2);margin-bottom:24px}
.conversation-summary-icon .lb-icon{width:48px;height:48px}
.conversation-practice-pending h3{margin-top:0}
.conversation-session button:focus-visible,.conversation-home button:focus-visible{outline:2px solid var(--accent2);outline-offset:3px}
@media(max-width:600px){
 .conversation-topics{grid-template-columns:1fr}
 .conversation-topic{min-height:76px;padding:13px 15px}
 .conversation-modes{gap:8px;margin:20px 0}
 .conversation-modes .btn{flex:1;font-size:13px;padding:10px}
 .conversation-card{padding:22px 18px}
 .conversation-question-tools{gap:2px 14px}
 .conversation-session-head{font-size:12px}
 .conversation-self-review .conversation-actions{flex-direction:column}
 .conversation-next{align-items:stretch;flex-direction:column-reverse;gap:10px;text-align:center}
 .conversation-next small{max-width:none}
 .conversation-summary .conversation-actions{flex-direction:column}
 .conversation-progress{gap:12px 18px}
}
@media(prefers-reduced-motion:reduce){.conversation-topic{transition:none}}