.sa-root{position:fixed;right:16px;bottom:76px;z-index:60;display:flex;flex-direction:column;align-items:flex-end;gap:12px;font-family:var(--font-sans),system-ui,sans-serif}.sa-launch{width:52px;height:52px;display:grid;place-items:center;padding:0;border-radius:50%;border:1.5px solid var(--teal);background:var(--surface-raised);color:var(--teal);cursor:pointer;box-shadow:var(--shadow-2)}.sa-launch:hover{background:var(--surface);color:var(--fg)}.sa-icon:focus-visible,.sa-launch:focus-visible,.sa-suggest button:focus-visible{outline:2px solid var(--teal);outline-offset:2px}.sa-panel{width:min(400px,calc(100vw - 32px));height:min(600px,calc(100vh - 170px));display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-2);overflow:hidden}.sa-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--border-muted);background:var(--surface-raised)}.sa-head strong{display:block;color:var(--fg);font-size:15px}.sa-sub{display:block;color:var(--fg-subtle);font-size:12px;margin-top:2px}.sa-head-actions{display:flex;gap:4px}.sa-icon{width:36px;height:36px;border:1px solid transparent;background:transparent;color:var(--fg-muted);font-size:16px;cursor:pointer}.sa-icon:hover{color:var(--fg);border-color:var(--border)}.sa-list{flex:1 1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;overscroll-behavior:contain}.sa-msg{max-width:88%;padding:10px 12px;font-size:15px;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere;border-radius:var(--radius-lg)}.sa-assistant{align-self:flex-start;background:var(--surface-raised);color:var(--fg);border:1px solid var(--border-muted)}.sa-user{align-self:flex-end;background:rgba(45,212,191,.12);color:var(--fg);border:1px solid rgba(45,212,191,.35)}.sa-event{display:inline-block;margin:0 6px 6px 0;padding:2px 8px;font-family:var(--font-mono),monospace;font-size:12px;color:var(--success);background:var(--success-bg)}.sa-suggest{display:flex;flex-wrap:wrap;gap:8px}.sa-suggest button{min-height:40px;padding:6px 12px;background:transparent;color:var(--fg-muted);border:1px solid var(--border);font-size:14px;cursor:pointer;text-align:left}.sa-suggest button:hover{color:var(--fg);border-color:var(--teal)}.sa-typing{display:flex;gap:4px;align-items:center;min-height:40px}.sa-typing i{width:6px;height:6px;background:var(--fg-subtle);border-radius:50%;animation:sa-dot 1s ease-in-out infinite}.sa-typing i:nth-child(2){animation-delay:.15s}.sa-typing i:nth-child(3){animation-delay:.3s}@keyframes sa-dot{0%,80%,to{opacity:.3}40%{opacity:1}}@media (prefers-reduced-motion:reduce){.sa-typing i{animation:none}}.sa-error{color:var(--danger);font-size:14px}.sa-form{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border-muted);align-items:flex-end}.sa-form textarea{flex:1 1;resize:none;min-height:44px;max-height:120px;padding:10px 12px;font:inherit;font-size:16px;color:var(--fg);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm)}.sa-form textarea:focus{outline:2px solid var(--teal);outline-offset:-1px}.sa-form .btn{min-height:44px}.sa-foot{margin:0;padding:0 12px 10px;font-size:12px;color:var(--fg-subtle)}@media (max-width:768px){.sa-root{right:12px;bottom:12px}.sa-panel{height:min(560px,calc(100dvh - 96px))}}@media print{.sa-root{display:none}}