@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f6f8fc;--surface: #ffffff;--surface-soft:#f8faff;--border: #d8e0ef;--text: #0f172a;--text-muted: #475569;--accent: #2563eb;--accent-strong:#1d4ed8;--accent-dim: rgba(37,99,235,.12);--accent-ring: rgba(37,99,235,.22);--user-bg: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);--user-text: #ffffff;--danger: #dc2626;--radius: 18px;--font: "Inter", system-ui, sans-serif;--chat-width: min(860px, 100%)}html,body{background:radial-gradient(1200px 720px at 100% -16%,rgba(37,99,235,.18),transparent 64%),radial-gradient(900px 520px at -10% 110%,rgba(14,165,233,.14),transparent 62%),linear-gradient(180deg,#f8fbff,#eef3fb 48%,#e9eff8);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.6;height:100%;overflow:hidden;position:fixed;inset:0;margin:0}astro-dev-toolbar{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}#app{display:flex;flex-direction:column;position:absolute;inset:0}#topbar{display:flex;align-items:center;gap:12px;padding:0 16px;height:56px;background:#fffc;backdrop-filter:blur(12px);border-bottom:1px solid var(--accent-ring);flex-shrink:0;z-index:10;box-shadow:0 10px 28px #0f172a14}#back-btn{display:inline-flex;align-items:center;gap:6px;color:var(--text-muted);text-decoration:none;font-size:13px;font-weight:500;padding:7px 10px;border-radius:10px;border:1px solid var(--border);background:#ffffffe6;transition:background .18s,color .18s,border-color .18s,box-shadow .18s}#back-btn:hover{background:#fff;color:var(--text);border-color:var(--accent-ring);box-shadow:0 0 0 3px #2563eb14}#topbar h1{font-size:16px;font-weight:700;flex:1;text-align:center;color:var(--text);letter-spacing:.2px}.top-action-btn{font-size:13px!important;padding:7px 10px!important;border:1px solid var(--border)!important;border-radius:10px!important;background:#ffffffe6;color:var(--text-muted);transition:background .18s,color .18s,border-color .18s,box-shadow .18s}.top-action-btn:hover{background:#fff;border-color:var(--accent-ring)!important;color:var(--text);box-shadow:0 0 0 3px #2563eb14}#notice-bar{background:linear-gradient(90deg,#eff6ff,#ecfeff);border-bottom:1px solid #bfdbfe;padding:4px 16px;text-align:center;font-size:11px;color:#1e3a8a;flex-shrink:0}#messages{flex:1;overflow-y:auto;padding:24px 16px 8px;display:flex;flex-direction:column;gap:16px}#messages::-webkit-scrollbar{width:4px}#messages::-webkit-scrollbar-track{background:transparent}#messages::-webkit-scrollbar-thumb{background:#ccc;border-radius:4px}#drop-overlay{position:fixed;inset:0;z-index:200;background:#f0f2f5eb;backdrop-filter:blur(8px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;pointer-events:none;opacity:0;transition:opacity .18s}#drop-overlay.active{opacity:1;pointer-events:all}#drop-overlay .drop-box{width:min(480px,88vw);padding:48px 32px;border:2px dashed var(--accent);border-radius:20px;display:flex;flex-direction:column;align-items:center;gap:12px;color:var(--accent);background:#fff}#drop-overlay .drop-box p{font-size:18px;font-weight:600}#drop-overlay .drop-box small{color:var(--text-muted);font-size:12px;text-align:center;line-height:1.8}#empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--text-muted);text-align:center;pointer-events:none}#empty svg{display:none}#empty p{font-size:clamp(28px,4vw,48px);font-weight:500;color:#111827;letter-spacing:.2px}.msg-row{display:flex;gap:10px;max-width:var(--chat-width);width:100%;margin:0 auto;align-items:flex-end}.msg-row.user{flex-direction:row-reverse}.avatar{width:34px;height:34px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600}.msg-row.assistant .avatar{width:34px;height:34px;border-radius:50%;overflow:hidden;flex-shrink:0;border:1.5px solid rgba(99,85,245,.2);background:#eee}.msg-row.assistant .avatar img{width:100%;height:100%;object-fit:cover;display:block}.bubble-wrap{max-width:calc(100% - 50px);display:flex;flex-direction:column}.bubble{padding:12px 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h1{font-size:1.4em}.md-content h2{font-size:1.2em}.md-content h3{font-size:1.05em}.md-content h4{font-size:1em}.md-content ul,.md-content ol{padding-left:1.4em;margin:.4em 0 .65em}.md-content li{margin:.25em 0}.md-content li>p{margin-bottom:.3em}.md-content code{font-family:JetBrains Mono,Fira Code,Consolas,monospace;background:#eaf1ff;color:#1d4ed8;padding:1px 6px;border-radius:4px;font-size:.88em}.md-content pre{background:#0f172a;border-radius:10px;padding:14px 16px;overflow-x:auto;margin:.65em 0;position:relative}.md-content pre code{background:none;color:#cdd6f4;padding:0;font-size:.86em;border-radius:0}.md-content blockquote{border-left:3px solid var(--accent);padding:6px 14px;background:var(--accent-dim);border-radius:0 8px 8px 0;margin:.65em 0;color:var(--text-muted);font-style:italic}.md-content table{border-collapse:collapse;width:100%;margin:.65em 0;font-size:.92em}.md-content th,.md-content td{border:1px solid var(--border);padding:7px 12px;text-align:left}.md-content th{background:var(--bg);font-weight:600}.md-content a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}.md-content a:hover{opacity:.8}.md-content strong{font-weight:600;color:#111}.md-content em{font-style:italic}.md-content hr{border:none;border-top:1px solid var(--border);margin:1em 0}.md-content img{max-width:100%;border-radius:8px;margin:.5em 0}.msg-actions{display:flex;gap:8px;align-items:center;margin-top:4px;opacity:0;transition:opacity .2s;align-self:flex-start}.msg-row:hover .msg-actions{opacity:1}.msg-row.user .msg-actions{align-self:flex-end}.action-btn{background:none;border:none;color:var(--text-muted);font-size:12px;cursor:pointer;display:flex;align-items:center;gap:4px;padding:2px 6px;border-radius:4px;transition:background .2s,color .2s}.action-btn:hover{background:#0000000d;color:var(--accent)}.msg-row.user .action-btn:hover{background:#ffffff1a;color:#fff}#selection-copy-btn{position:absolute;z-index:1000;display:none;background:#111;color:#fff;border:none;border-radius:6px;padding:6px 12px;font-size:13px;font-weight:500;cursor:pointer;box-shadow:0 4px 12px #00000026;animation:popIn .15s cubic-bezier(.18,.89,.32,1.28)}#selection-copy-btn:hover{background:#333}@keyframes popIn{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}.thinking-indicator{color:var(--text-muted);font-size:13px;font-style:italic;display:flex;align-items:center;gap:6px}.think-dots{display:inline-flex;gap:3px}.think-dots span{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:bounce .9s ease infinite;opacity:.5}.think-dots span:nth-child(2){animation-delay:.15s}.think-dots span:nth-child(3){animation-delay:.3s}@keyframes bounce{0%,80%,to{transform:scale(.7);opacity:.4}40%{transform:scale(1);opacity:1}}.stream-cursor{display:inline-block;width:2px;height:1.1em;background:var(--accent);margin-left:2px;vertical-align:text-bottom;animation:blink .8s step-end infinite;border-radius:1px}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}#toast{position:fixed;bottom:90px;left:50%;transform:translate(-50%);background:#fff;border:1px solid #fecaca;border-radius:10px;padding:8px 18px;font-size:13px;color:var(--danger);z-index:300;opacity:0;transition:opacity .2s;pointer-events:none;white-space:nowrap;box-shadow:0 8px 20px #dc262624}#toast.show{opacity:1}#footer{padding:10px 16px 16px;flex-shrink:0;position:relative;z-index:100;transition:padding .22s ease}#img-preview-bar{max-width:960px;margin:0 auto 8px;display:none;gap:6px;flex-wrap:wrap;align-items:center}#img-preview-bar.has-content{display:flex}.img-thumb-wrap{position:relative;display:inline-flex}.img-thumb{width:40px;height:40px;object-fit:cover;border-radius:6px;border:1px solid var(--border)}.item-remove{position:absolute;top:-5px;right:-5px;width:16px;height:16px;border-radius:50%;background:#666;border:1.5px solid #fff;color:#fff;font-size:9px;cursor:pointer;display:flex;align-items:center;justify-content:center}.file-chip-preview{display:inline-flex;align-items:center;gap:5px;background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:4px 8px;font-size:12px;color:var(--text-muted);max-width:180px}.file-chip-preview span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-chip-preview button{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:0;font-size:11px;flex-shrink:0;line-height:1}#input-wrap{max-width:min(960px,calc(100vw - 24px));margin:0 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8px);right:0;min-width:200px;background:#fff;border:1px solid var(--border);border-radius:14px;padding:6px 0;box-shadow:0 14px 34px #0f172a24;z-index:600;animation:dropIn .15s ease}#model-picker.open #model-dropdown{display:block}@keyframes dropIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.model-group-label{padding:6px 16px 3px;font-size:11px;font-weight:600;color:#64748b;text-transform:uppercase;letter-spacing:.6px}.model-item{display:flex;align-items:center;gap:10px;padding:9px 16px;font-size:14px;color:#1e293b;cursor:pointer;transition:background .12s;border-radius:0}.model-item:hover{background:#eff6ff}.model-item.active{color:var(--accent);font-weight:600;background:var(--accent-dim)}.mi-icon{font-size:15px;width:20px;text-align:center;flex-shrink:0}#send-btn{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-strong) 100%);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:opacity .2s,transform .1s,box-shadow .2s;flex-shrink:0;box-shadow:0 10px 20px #2563eb4d}#send-btn:hover{opacity:.9}#send-btn:active{transform:scale(.95)}#send-btn:disabled{opacity:.35;cursor:not-allowed;box-shadow:none}#send-btn svg{color:#fff}#app.centered #messages{justify-content:flex-end;padding-top:0;padding-bottom:0}#app.centered #empty{margin-top:0;margin-bottom:16px}#app.centered #footer{padding-bottom:min(15vh,140px)}#footer{padding-bottom:calc(16px + env(safe-area-inset-bottom))}#app.centered #status-bar,#app.centered #img-preview-bar{display:none!important}@media (max-width: 768px){#topbar{height:50px}#messages{padding:18px 10px 6px}#footer{padding:8px 8px calc(10px + env(safe-area-inset-bottom))}#input-wrap{min-height:60px;border-radius:20px;padding:8px;gap:8px}#attach-btn{width:38px;height:38px}#model-trigger{padding:7px 10px;font-size:12px}#model-dropdown{min-width:172px}#send-btn{width:40px;height:40px}#app.centered #empty{margin-top:0;margin-bottom:12px}#app.centered #footer{padding-bottom:min(12vh,110px)}}#status-bar{max-width:960px;margin:0 auto 6px;min-height:18px;font-size:12px;color:var(--text-muted);display:flex;align-items:center;gap:6px;padding:0 2px;transition:opacity .2s}#status-bar:empty{display:none}.status-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0;background:var(--accent);animation:pulse 1.2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1)}}