.bs-talk{min-height:calc(100dvh - 140px);color:var(--app-text,#0f172a);flex-direction:column;gap:10px;display:flex}.bs-talk-head{align-items:center;gap:10px;display:flex}.bs-talk-back{background:var(--app-card,#fff);border:1px solid var(--app-border,#e2e8f0);width:36px;height:36px;color:inherit;border-radius:12px;flex:none;place-items:center;font-size:18px;text-decoration:none;display:grid}.bs-talk-title{flex-direction:column;flex:1;min-width:0;display:flex}.bs-talk-title b{font-size:16px;line-height:1.2}.bs-talk-title small{color:var(--app-muted,#64748b);text-overflow:ellipsis;white-space:nowrap;font-size:11px;overflow:hidden}.bs-talk-mode{color:#334155;background:#e2e8f0;border-radius:999px;flex:none;padding:3px 9px;font-size:11px;font-weight:800}.bs-talk-mode--ai{color:#166534;background:#dcfce7}.bs-talk-toggles{flex-wrap:wrap;gap:6px;display:flex}.bs-talk-tg{border:1px solid var(--app-border,#e2e8f0);background:var(--app-card,#fff);color:var(--app-muted,#64748b);cursor:pointer;border-radius:999px;padding:5px 11px;font-size:12px;font-weight:700}.bs-talk-tg.bs-on{color:#fff;background:#166534;border-color:#166534}.bs-talk-setting{color:var(--app-muted,#64748b);background:var(--app-card,#fff);border:1px dashed var(--app-border,#e2e8f0);border-radius:12px;margin:0;padding:8px 12px;font-size:13px;line-height:1.5}.bs-talk-list{flex-direction:column;flex:1;gap:10px;min-height:200px;max-height:52dvh;padding:6px 2px;display:flex;overflow-y:auto}.bs-talk-row{display:flex}.bs-talk-row--ai{justify-content:flex-start}.bs-talk-row--user{justify-content:flex-end}.bs-talk-bubble{background:var(--app-card,#fff);border:1px solid var(--app-border,#e2e8f0);border-radius:18px;max-width:86%;padding:10px 14px;position:relative;box-shadow:0 1px 2px #0000000a}.bs-talk-row--ai .bs-talk-bubble{border-bottom-left-radius:6px;padding-right:40px}.bs-talk-row--user .bs-talk-bubble{background:#dcfce7;border-color:#bbf7d0;border-bottom-right-radius:6px}.bs-talk-spk{cursor:pointer;background:#f1f5f9;border:none;border-radius:9px;width:28px;height:28px;font-size:14px;position:absolute;top:8px;right:8px}.bs-talk-zh{font-size:19px;font-weight:500;line-height:1.5}.bs-talk-py{color:#0369a1;margin-top:2px;font-size:12px}.bs-talk-mn{color:var(--app-muted,#64748b);margin-top:3px;font-size:13px;line-height:1.45}.bs-talk-corr{color:#854d0e;background:#fef9c3;border-radius:8px;margin-top:6px;padding:5px 8px;font-size:12px;line-height:1.45}.bs-talk-bubble--typing{gap:4px;padding:12px 16px;display:flex}.bs-talk-bubble--typing span{background:#94a3b8;border-radius:50%;width:7px;height:7px;animation:1s infinite bs-talk-dot}.bs-talk-bubble--typing span:nth-child(2){animation-delay:.15s}.bs-talk-bubble--typing span:nth-child(3){animation-delay:.3s}@keyframes bs-talk-dot{0%,to{opacity:.3;transform:translateY(0)}50%{opacity:1;transform:translateY(-3px)}}.bs-talk-hint{color:var(--app-muted,#64748b);margin:0;font-size:12px}.bs-talk-err{color:#b91c1c;background:#fef2f2;border-radius:10px;margin:0;padding:8px 12px;font-size:13px;line-height:1.45}.bs-talk-options{flex-direction:column;gap:8px;display:flex}.bs-talk-opt{text-align:left;border:1px solid var(--app-border,#e2e8f0);background:var(--app-card,#fff);cursor:pointer;border-radius:14px;flex-direction:column;gap:2px;padding:10px 14px;transition:transform 80ms,background .15s;display:flex}.bs-talk-opt:active{background:#f0fdf4;transform:scale(.985)}.bs-talk-opt:disabled{opacity:.6}.bs-talk-opt-zh{color:var(--app-text,#0f172a);font-size:17px;font-weight:600}.bs-talk-opt-py{color:#0369a1;font-size:12px}.bs-talk-opt-mn{color:var(--app-muted,#64748b);font-size:12px}.bs-talk-opt-tip{color:#92400e;margin-top:2px;font-size:11px}.bs-talk-mic{color:#fff;cursor:pointer;background:#166534;border:none;border-radius:999px;margin-top:4px;padding:12px 16px;font-size:14px;font-weight:800}.bs-talk-mic--live{animation:1s infinite bs-talk-pulse;background:#dc2626!important}@keyframes bs-talk-pulse{0%,to{box-shadow:0 0 #dc262673}50%{box-shadow:0 0 0 10px #dc262600}}.bs-talk-input{background:var(--app-bg,#fff);align-items:center;gap:8px;padding:6px 0;display:flex;position:sticky;bottom:0}.bs-talk-micbtn{color:#fff;cursor:pointer;background:#166534;border:none;border-radius:14px;flex:none;width:44px;height:44px;font-size:18px}.bs-talk-field{border:1px solid var(--app-border,#e2e8f0);background:var(--app-card,#fff);min-width:0;height:44px;color:var(--app-text,#0f172a);border-radius:14px;flex:1;padding:0 14px;font-size:16px}.bs-talk-send{color:#fff;cursor:pointer;background:#0f172a;border:none;border-radius:14px;flex:none;width:44px;height:44px;font-size:16px}.bs-talk-send:disabled,.bs-talk-micbtn:disabled{opacity:.4}.bs-talk-done{background:var(--app-card,#fff);border:1px solid var(--app-border,#e2e8f0);text-align:center;border-radius:18px;flex-direction:column;align-items:center;gap:8px;padding:16px;display:flex}.bs-talk-done-ic{font-size:36px}.bs-talk-done p{color:var(--app-muted,#64748b);margin:0;font-size:13px}.bs-talk-vocab{flex-wrap:wrap;justify-content:center;gap:6px;display:flex}.bs-talk-vchip{background:#f1f5f9;border-radius:999px;padding:4px 10px;font-size:13px}.bs-talk-vchip small{color:#0369a1;margin-left:3px}.bs-talk-done-btns{flex-direction:column;gap:8px;width:100%;margin-top:4px;display:flex}.bs-talk-btn{border:1px solid var(--app-border,#e2e8f0);background:var(--app-card,#fff);color:var(--app-text,#0f172a);cursor:pointer;text-align:center;border-radius:999px;padding:11px 16px;font-size:14px;font-weight:700;text-decoration:none;display:block}.bs-talk-btn--primary{color:#fff;background:#166534;border-color:#166534}.bs-talk-btn:disabled{opacity:.6}.bs-talk-grid{grid-template-columns:1fr;gap:10px;display:grid}@media (min-width:640px){.bs-talk-grid{grid-template-columns:1fr 1fr}}.bs-talk-card{color:inherit;align-items:flex-start;gap:12px;text-decoration:none;display:flex}.bs-talk-card-ic{background:#f0fdf4;border-radius:16px;flex:none;place-items:center;width:52px;height:52px;font-size:28px;display:grid}.bs-talk-card h2{margin:0;font-size:15px;font-weight:800}.bs-talk-card p{color:var(--app-muted,#64748b);margin:3px 0 0;font-size:12.5px;line-height:1.45}.bs-talk-lvl{color:#075985;vertical-align:middle;background:#e0f2fe;border-radius:999px;margin-left:6px;padding:2px 7px;font-size:10px;font-weight:800;display:inline-block}