#web-llm-app-shell{--primary:#505148;--primary-strong:#262724;--accent:#004276;--page-bg:#eff0eb;--sidebar-bg:#f9faf7;--panel-bg:#fcfdfa;--panel-soft:#f0f1ec;--panel-border:rgba(91,78,53,0.16);--tint:rgba(91,78,53,0.1);--text-main:#1d1a16;--text-muted:#53554d;--danger:#b42318;--success:#166534;--warning:#7a4a00;--shadow-soft:0 12px 32px rgba(91,78,53,0.08);min-height:100vh;display:flex;background:var(--page-bg);color:var(--text-main);font-family:Segoe UI,PingFang SC,Hiragino Sans GB,Noto Sans SC,sans-serif}#web-llm-app-shell *,#web-llm-app-shell :after,#web-llm-app-shell :before{box-sizing:border-box}#web-llm-app-shell button,#web-llm-app-shell input,#web-llm-app-shell select,#web-llm-app-shell textarea{font:inherit}#web-llm-app-shell a:focus-visible,#web-llm-app-shell button:focus-visible,#web-llm-app-shell select:focus-visible,#web-llm-app-shell textarea:focus-visible{outline:2px solid rgba(0,66,118,.45);outline-offset:2px}#web-llm-app-shell button:disabled,#web-llm-app-shell select:disabled,#web-llm-app-shell textarea:disabled{cursor:not-allowed;opacity:.58}#web-llm-app-shell #sidebar{width:288px;flex:0 0 288px;display:flex;flex-direction:column;background:var(--sidebar-bg);border-right:1px solid var(--panel-border)}#web-llm-app-shell #sidebar-header{padding:18px;border-bottom:1px solid var(--panel-border)}#web-llm-app-shell .edge-side-back{display:inline-flex;margin-bottom:14px;color:var(--text-muted);font-size:13px;text-decoration:none}#web-llm-app-shell .edge-side-back:hover{color:var(--primary-strong);text-decoration:underline;text-underline-offset:4px}#web-llm-app-shell .edge-side-brand h2{margin:4px 0 0;color:var(--text-main);font-size:24px;line-height:1.2}#web-llm-app-shell .edge-side-brand p{margin:8px 0 0;color:var(--text-muted);font-size:13px;line-height:1.6}#web-llm-app-shell .eyebrow{margin:0;color:var(--text-muted);font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}#web-llm-app-shell 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8px;color:var(--text-muted);font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}#web-llm-app-shell #chat-list{flex:1;overflow-y:auto;padding:0 12px 16px}#web-llm-app-shell .chat-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px;align-items:center;margin-bottom:8px;padding:6px;border:1px solid transparent;border-radius:12px;background:rgba(255,255,255,.52)}#web-llm-app-shell .chat-item.active{border-color:var(--panel-border);background:var(--panel-soft)}#web-llm-app-shell .chat-title-btn{min-width:0;border:0;background:transparent;color:inherit;cursor:pointer;text-align:left}#web-llm-app-shell .chat-title{display:block;overflow:hidden;color:var(--text-main);font-size:14px;font-weight:650;text-overflow:ellipsis;white-space:nowrap}#web-llm-app-shell .chat-count{display:block;margin-top:2px;color:var(--text-muted);font-size:11px}#web-llm-app-shell 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.edge-section-head{margin-bottom:16px}#web-llm-app-shell .edge-section-head.compact{margin-bottom:12px}#web-llm-app-shell .edge-section-head h2{margin:5px 0 0;font-size:22px;line-height:1.25}#web-llm-app-shell .edge-controls-panel{padding:12px;border:1px solid var(--panel-border);border-radius:10px;background:var(--panel-soft)}#web-llm-app-shell .edge-controls-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto;gap:10px;align-items:end}#web-llm-app-shell .edge-controls-row label{display:grid;gap:5px;color:var(--text-muted);font-size:12px;font-weight:700}#web-llm-app-shell select{width:100%;min-height:42px;border:1px solid var(--panel-border);border-radius:10px;background:#fff;color:var(--text-main);padding:0 12px}#web-llm-app-shell .model-actions{display:flex;flex-wrap:wrap;gap:8px}#web-llm-app-shell #load-model-btn,#web-llm-app-shell .secondary-action{min-height:42px;padding:0 14px;white-space:nowrap}#web-llm-app-shell 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span{color:var(--danger)}#web-llm-app-shell .source-health-checking span{color:var(--warning)}#web-llm-app-shell .progress-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;margin-top:10px;color:var(--text-muted);font-size:12px}#web-llm-app-shell progress{width:100%;height:9px;-webkit-appearance:none;-moz-appearance:none;appearance:none}#web-llm-app-shell progress::-webkit-progress-bar{border-radius:999px;background:rgba(91,78,53,.12)}#web-llm-app-shell progress::-webkit-progress-value{border-radius:999px;background:var(--primary)}#web-llm-app-shell #runtime-notice{margin-top:10px;min-height:44px;padding:10px 12px;border-radius:10px;font-size:13px;line-height:1.55}#web-llm-app-shell .notice-info{border:1px solid rgba(0,66,118,.12);background:rgba(0,66,118,.06);color:#0f3757}#web-llm-app-shell .notice-warn{border:1px solid rgba(245,158,11,.18);background:rgba(245,158,11,.12);color:var(--warning)}#web-llm-app-shell .notice-error{border:1px solid rgba(180,35,24,.15);background:rgba(180,35,24,.08);color:var(--danger)}#web-llm-app-shell .notice-success{border:1px solid rgba(34,197,94,.2);background:rgba(34,197,94,.1);color:var(--success)}#web-llm-app-shell #chat-container{height:min(52vh,520px);min-height:300px;margin:12px 0;padding:12px;display:flex;flex-direction:column;gap:10px;overflow-y:auto;border:1px solid var(--panel-border);border-radius:10px;background:#f5f6f2}#web-llm-app-shell .message{max-width:min(760px,86%);padding:11px 13px;border-radius:12px;font-size:14px;line-height:1.65;word-break:break-word}#web-llm-app-shell .empty-msg span,#web-llm-app-shell .message>span{white-space:pre-wrap}#web-llm-app-shell .message img{display:block;max-width:min(320px,100%);margin-bottom:8px;border-radius:8px}#web-llm-app-shell .user-msg{align-self:flex-end;background:var(--primary);color:#fff}#web-llm-app-shell .ai-msg{align-self:flex-start;border:1px solid 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.edge-stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}#web-llm-app-shell .model-actions{grid-column:1/-1}}@media (max-width:640px){#web-llm-app-shell #main{padding:10px}#web-llm-app-shell #header,#web-llm-app-shell .edge-section{padding:14px}#web-llm-app-shell #header h1{font-size:25px}#web-llm-app-shell .edge-controls-row,#web-llm-app-shell .edge-runtime-grid,#web-llm-app-shell .edge-stat-strip{grid-template-columns:1fr}#web-llm-app-shell #input-form,#web-llm-app-shell .model-actions,#web-llm-app-shell .progress-row,#web-llm-app-shell .source-health-row{grid-template-columns:1fr;display:grid}#web-llm-app-shell #load-model-btn,#web-llm-app-shell #send-btn,#web-llm-app-shell .icon-btn,#web-llm-app-shell .secondary-action{width:100%}#web-llm-app-shell .message{max-width:96%}#web-llm-app-shell #chat-container{height:48vh}}