#sfai-root{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;position:fixed;right:20px;bottom:20px;z-index:999999;color:#111827}
#sfai-button{border:0;border-radius:999px;padding:13px 18px;font-weight:700;box-shadow:0 8px 28px rgba(0,0,0,.18);cursor:pointer;background:#111827;color:#fff}
#sfai-panel{display:none;box-sizing:border-box;width:min(380px,calc(100vw - 24px));height:min(590px,calc(100vh - 100px));background:#fff;border:1px solid #e5e7eb;border-radius:18px;box-shadow:0 16px 45px rgba(0,0,0,.22);overflow:hidden;overscroll-behavior:contain;margin-bottom:10px}
#sfai-panel.open{display:flex;flex-direction:column}
.sfai-head{padding:16px;border-bottom:1px solid #e5e7eb}.sfai-head strong{display:block}.sfai-head span{font-size:12px;color:#6b7280}
.sfai-multilingual{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:8px}
.sfai-badge{font-size:11px;font-weight:700;background:#eef2ff;color:#3730a3;border-radius:999px;padding:3px 8px;white-space:nowrap}
.sfai-hint{font-size:11px;color:#6b7280}
.sfai-langs{margin-top:6px;font-size:10px;color:#9ca3af;white-space:nowrap;overflow-x:auto;padding-bottom:2px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.sfai-langs::-webkit-scrollbar{display:none}
#sfai-log{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding:14px;background:#f9fafb}.sfai-msg{margin:0 0 12px;max-width:88%;padding:10px 12px;border-radius:14px;white-space:pre-wrap;line-height:1.55;font-size:14px;position:relative}.sfai-user{margin-left:auto;background:#111827;color:#fff}.sfai-ai{background:#fff;border:1px solid #e5e7eb;padding-right:34px}.sfai-msg-text{display:inline}.sfai-route{display:inline-block;margin-top:8px;font-size:13px;font-weight:700;text-decoration:underline;color:#111827}
.sfai-speak{position:absolute;top:6px;right:6px;border:0;background:transparent;cursor:pointer;font-size:13px;line-height:1;padding:4px;border-radius:8px;color:#6b7280}
.sfai-speak:hover{background:#f3f4f6}
.sfai-speak.preparing{opacity:.75;animation:sfai-spin 1s linear infinite}
.sfai-speak.playing{color:#111827;background:#f3f4f6}
.sfai-form{display:flex;gap:8px;padding:12px;border-top:1px solid #e5e7eb;align-items:flex-end}.sfai-form textarea{resize:none;flex:1;min-height:42px;max-height:100px;border:1px solid #d1d5db;border-radius:12px;padding:10px}.sfai-form button[type="submit"]{border:0;border-radius:12px;padding:0 14px;height:42px;background:#111827;color:#fff;font-weight:700;cursor:pointer}
#sfai-mic{border:1px solid #d1d5db;background:#fff;border-radius:999px;width:44px;height:42px;flex:0 0 auto;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center}
#sfai-mic:disabled{opacity:.6;cursor:default;animation:none}
#sfai-mic.recording{background:#fee2e2;border-color:#fca5a5;animation:sfai-mic-pulse 1.4s ease-in-out infinite}
.sfai-status{display:flex;align-items:center;gap:8px;padding:7px 12px;font-size:11px;color:#991b1b;font-weight:600;background:#fef2f2;border-top:1px solid #fee2e2}
.sfai-status[hidden]{display:none}
.sfai-status.transcribing{color:#374151;background:#f3f4f6;border-top-color:#e5e7eb}
.sfai-status-dot{width:8px;height:8px;border-radius:50%;background:#ef4444;flex:0 0 auto;animation:sfai-pulse 1.2s ease-in-out infinite}
.sfai-status.transcribing .sfai-status-dot{background:#9ca3af;animation:none}
.sfai-status-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:0 1 auto}
.sfai-wave{display:flex;align-items:flex-end;gap:2px;height:15px;flex:0 0 auto}
.sfai-wave[hidden]{display:none}
.sfai-wave i{display:block;width:3px;height:100%;background:#ef4444;border-radius:2px;transform:scaleY(.25);transform-origin:bottom;transition:transform .08s linear;font-style:normal}
.sfai-timer{margin-left:auto;font-variant-numeric:tabular-nums;color:#6b7280;flex:0 0 auto}
.sfai-timer[hidden]{display:none}
.sfai-note{font-size:10px;color:#6b7280;padding:0 12px 10px;background:#fff}
.sfai-note summary{list-style:none;cursor:default}
.sfai-note summary::-webkit-details-marker{display:none}
@keyframes sfai-pulse{0%,100%{opacity:1}50%{opacity:.35}}
@keyframes sfai-mic-pulse{0%,100%{box-shadow:0 0 0 0 rgba(239,68,68,.35)}50%{box-shadow:0 0 0 6px rgba(239,68,68,0)}}
@keyframes sfai-spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
@media(max-width:520px){
#sfai-root{right:12px;bottom:12px}
#sfai-panel{height:70vh;height:calc(100dvh - 64px)}
#sfai-panel.open{position:fixed;inset:env(safe-area-inset-top,0) 0 env(safe-area-inset-bottom,0) 0;width:auto;margin:0;border-radius:0}
.sfai-head{padding:8px 12px}
.sfai-head>span{display:none}
.sfai-multilingual{margin-top:4px}
.sfai-hint{display:none}
.sfai-badge{font-size:10px;padding:3px 7px}
.sfai-langs{margin-top:4px;font-size:9px}
.sfai-form{padding:8px}
.sfai-form textarea{min-height:38px;max-height:80px;padding:8px 10px}
#sfai-mic{width:38px;height:38px}
.sfai-form button[type="submit"]{height:38px;padding:0 12px}
.sfai-note summary{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}
.sfai-note[open] summary{white-space:normal;overflow:visible;text-overflow:clip;cursor:default}
.sfai-status{font-size:10px;padding:6px 10px}
.sfai-status-text{max-width:38vw}
#sfai-panel.open + #sfai-button{position:fixed;inset:env(safe-area-inset-top,8px) 12px auto auto;width:32px;height:32px;padding:0;font-size:0;border-radius:999px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px rgba(0,0,0,.25);z-index:2;margin:0}
#sfai-panel.open + #sfai-button::before{content:'✕';font-size:18px;color:#fff}
}