:root{--bg-0: #0d0d0f;--bg-1: #13131a;--bg-2: #1a1a24;--bg-3: #22222f;--border: #2a2a3a;--border-bright: #3d3d52;--text-0: #e8e8f0;--text-1: #9898b0;--text-2: #5a5a72;--accent: #7c6af7;--accent-dim: rgba(124, 106, 247, .15);--accent-glow: rgba(124, 106, 247, .35);--green: #3dd68c;--green-dim: rgba(61, 214, 140, .12);--mono: "IBM Plex Mono", monospace;--sans: "Inter", system-ui, sans-serif;--radius: 6px;--radius-lg: 10px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-0);color:var(--text-0);font-family:var(--sans);font-size:14px;line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}.topbar{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:52px;background:var(--bg-1);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.topbar-left{display:flex;align-items:center;gap:10px}.logo-mark{font-size:18px;color:var(--accent)}.logo-text{font-family:var(--mono);font-weight:500;font-size:15px;color:var(--text-0);letter-spacing:-.02em}.logo-sub{font-family:var(--mono);font-size:11px;color:var(--text-2);border-left:1px solid var(--border);padding-left:10px}.topbar-link{font-family:var(--mono);font-size:12px;color:var(--text-1);text-decoration:none;padding:5px 12px;border:1px solid var(--border);border-radius:var(--radius);transition:border-color .15s,color .15s}.topbar-link:hover{border-color:var(--accent);color:var(--accent)}.dashboard{display:grid;grid-template-columns:260px 1fr 1fr;gap:0;height:calc(100vh - 52px);overflow:hidden}.panel-label{font-family:var(--mono);font-size:10px;font-weight:500;letter-spacing:.1em;color:var(--text-2)}.kb-browser{background:var(--bg-1);border-right:1px solid 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.12s}.kb-item:hover{background:var(--bg-2);border-color:var(--border)}.kb-item--active{background:var(--accent-dim);border-color:var(--accent)}.kb-item-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.kb-item-title{font-weight:500;font-size:13px;color:var(--text-0)}.kb-score{font-family:var(--mono);font-size:11px;color:var(--green);background:var(--green-dim);padding:1px 6px;border-radius:99px}.kb-tags{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:6px}.kb-tag{font-family:var(--mono);font-size:10px;color:var(--text-2);background:var(--bg-3);padding:2px 6px;border-radius:4px}.kb-preview{font-size:12px;color:var(--text-1);margin:6px 0;line-height:1.5}.kb-meta{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10px;color:var(--text-2);margin-top:4px}.kb-empty{padding:16px;font-size:12px;color:var(--text-2);font-family:var(--mono)}.center-col{display:flex;flex-direction:column;border-right:1px solid var(--border);overflow:hidden}.input-panel{display:flex;flex-direction:column;flex:1;overflow:hidden;background:var(--bg-1)}.input-panel-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border);flex-shrink:0}.word-count{font-family:var(--mono);font-size:11px;color:var(--text-2)}.jd-textarea{flex:1;background:transparent;border:none;resize:none;color:var(--text-0);font-family:var(--sans);font-size:13.5px;line-height:1.65;padding:16px;outline:none}.jd-textarea::placeholder{color:var(--text-2)}.jd-textarea:disabled{opacity:.5;cursor:not-allowed}.input-panel-footer{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-top:1px solid var(--border);flex-shrink:0}.model-badge{display:flex;align-items:center;gap:6px;font-family:var(--mono);font-size:11px;color:var(--text-1)}.model-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 6px var(--green)}.generate-btn{display:flex;align-items:center;gap:8px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);padding:8px 18px;font-family:var(--mono);font-size:12px;font-weight:500;cursor:pointer;transition:opacity .15s,box-shadow .15s}.generate-btn:hover:not(:disabled){box-shadow:0 0 16px var(--accent-glow)}.generate-btn:disabled{opacity:.45;cursor:not-allowed}.generate-btn--loading{opacity:.75}.spinner{width:12px;height:12px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}.spinner--large{width:28px;height:28px;border-width:3px;border-color:var(--border);border-top-color:var(--accent);margin:0 auto 12px}@keyframes spin{to{transform:rotate(360deg)}}.error-banner{margin:0;padding:12px 16px;background:#ef44441a;border-top:1px solid 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.15s}.copy-btn:hover{border-color:var(--accent);color:var(--accent)}.output-body{flex:1;overflow-y:auto;padding:16px}.output-body::-webkit-scrollbar{width:4px}.output-body::-webkit-scrollbar-track{background:transparent}.output-body::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.output-empty{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--text-2);padding:24px}.empty-icon{font-size:32px;color:var(--border-bright);margin-bottom:16px}.output-empty p{font-size:13px;color:var(--text-1);margin-bottom:6px}.empty-sub{font-size:12px;color:var(--text-2);max-width:320px;line-height:1.6}.embed-status{text-align:center}.embed-status p{color:var(--text-1);font-size:13px}.ellipsis-anim:after{content:"";animation:ellipsis 1.4s infinite}@keyframes ellipsis{0%{content:""}33%{content:"."}66%{content:".."}to{content:"..."}}.proposal-text{font-family:var(--sans);font-size:13.5px;line-height:1.75;color:var(--text-0);white-space:pre-wrap;word-break:break-word}.sources-bar{display:flex;align-items:center;gap:8px;padding:10px 16px;border-top:1px solid var(--border);background:var(--bg-0);flex-wrap:wrap;flex-shrink:0}.sources-label{font-family:var(--mono);font-size:10px;letter-spacing:.08em;color:var(--text-2)}.source-chip{display:inline-flex;align-items:center;gap:5px;font-family:var(--mono);font-size:11px;color:var(--text-0);background:var(--bg-3);border:1px solid var(--border);border-radius:99px;padding:3px 10px}.source-score{color:var(--green);font-size:10px}*{scrollbar-width:thin;scrollbar-color:var(--border) transparent}.kb-item-actions{display:flex;align-items:center;gap:6px}.kb-dismiss-btn{background:none;border:none;color:var(--text-2);font-size:13px;cursor:pointer;padding:2px 4px;border-radius:4px;line-height:1;transition:color 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var(--border);flex-shrink:0}.upload-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:14px 12px;border:1px dashed var(--border-bright);border-radius:var(--radius);cursor:pointer;transition:border-color .15s,background .15s}.upload-zone:hover{border-color:var(--accent);background:var(--accent-dim)}.upload-zone--busy{opacity:.5;pointer-events:none}.upload-icon{font-size:18px;color:var(--text-2);line-height:1}.upload-text{font-family:var(--mono);font-size:10px;color:var(--text-2);text-align:center}.upload-error{font-family:var(--mono);font-size:9px;color:#f87171;text-align:center}@media (max-width: 768px){.topbar{padding:0 14px}.logo-sub{display:none}.topbar-link{padding:4px 10px;font-size:11px}.dashboard{grid-template-columns:1fr;height:auto;overflow:visible}.kb-browser{border-right:none;border-bottom:1px solid var(--border);max-height:40vh}.center-col{border-right:none;border-bottom:1px solid var(--border)}.input-panel{min-height:260px}.jd-textarea{min-height:180px}.input-panel-footer{flex-wrap:wrap;gap:10px}.generate-btn{width:100%;justify-content:center;padding:10px 18px}.output-panel{min-height:300px}.output-body{overflow-y:visible}.sources-bar{padding:10px 12px}.kb-item{padding:12px 14px}}@media (max-width: 400px){.logo-text{font-size:13px}.topbar-link{display:none}.output-empty{padding:16px}}