.knowledge{--k-deep:#123f42;--k-accent:#176a6e;--k-canvas:#fff;--k-soft:#edf4f3;--k-ink:#172f31;--k-muted:#526568;--k-line:#d6e1e0;color:var(--k-ink);background:var(--k-canvas);min-height:100dvh;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.6}.knowledge *{box-sizing:border-box}.knowledge a{color:var(--k-accent)}.knowledge button,.knowledge input,.knowledge textarea,.knowledge select{font:inherit}.knowledge button,.knowledge select{cursor:pointer}.knowledge button:disabled{opacity:.55;cursor:default}.knowledge :focus-visible{outline:3px solid var(--k-accent);outline-offset:4px}.kHeader{border-bottom:1px solid var(--k-line);justify-content:space-between;align-items:center;gap:24px;padding:20px 4vw;display:flex}.kBrand img{object-fit:contain;width:190px;height:44px;display:block}.kHeaderActions{align-items:center;gap:24px;font-size:14px;display:flex}.kHeader select{background:var(--k-canvas);border:1px solid var(--k-line);border-radius:6px;padding:10px}.kLayout{grid-template-columns:340px minmax(0,1fr);max-width:1380px;margin:auto;display:grid}.kAside{border-right:1px solid var(--k-line);background:var(--k-soft);padding:44px 30px 32px}.kEyebrow,.kOverline{letter-spacing:.13em;font-size:12px;font-weight:700}.knowledge h1{letter-spacing:-.025em;white-space:pre-line;color:var(--k-deep);margin:15px 0 20px;font-size:30px;line-height:1.2}.kAside>p{color:var(--k-muted)}.kSuggestions{gap:8px;margin:30px 0;display:grid}.kSuggestions button{background:var(--k-canvas);color:var(--k-ink);border:1px solid var(--k-line);text-align:left;border-radius:6px;justify-content:space-between;align-items:center;gap:16px;min-height:48px;padding:14px;font-size:14px;line-height:1.5;display:flex}.kSuggestions button:hover{border-color:var(--k-accent)}.kHuman{border-top:1px solid var(--k-line);padding-top:24px;font-size:14px}.kHuman p{color:var(--k-muted)}.kHuman a{margin:10px 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0 3px;font-size:14px}.kSources a{border:1px solid var(--k-line);border-radius:6px;flex:160px;max-width:100%;padding:12px;font-size:14px;text-decoration:none}.kSources a:hover{background:var(--k-soft)}.kSources small{color:var(--k-muted);overflow-wrap:anywhere;margin-top:5px;font-size:12px;display:block}.kComposer{border:1px solid var(--k-line);background:var(--k-canvas);border-radius:12px;padding:16px}.kComposer label{font-size:14px;font-weight:700;display:block}.kComposer textarea{resize:vertical;width:100%;min-height:86px;color:var(--k-ink);background:0 0;border:0;padding:10px 0;line-height:1.5}.kComposerActions{justify-content:space-between;align-items:center;gap:12px;display:flex}.kComposer button{border-radius:6px;min-height:44px;padding:10px 16px;font-size:14px}.kSend{background:var(--k-deep);color:#fff;border:1px solid var(--k-deep)}.kClear{border:1px solid var(--k-line);color:var(--k-muted);background:0 0}.kNotice,.kNote{color:var(--k-muted);font-size:13px;line-height:1.6}.kError{color:#8a2929;font-size:14px}.kLoading{color:var(--k-accent)}.kSrOnly{clip-path:inset(50%);width:1px;height:1px;position:absolute;overflow:hidden}.knowledgeEmbedded{border:1px solid var(--k-line);border-radius:12px;min-height:0;overflow:hidden}.knowledgeEmbedded .kHeader{padding:16px 24px}.knowledgeEmbedded .kLayout{grid-template-columns:270px minmax(0,1fr)}.knowledgeEmbedded .kWorkspace{padding:24px}.knowledgeEmbedded .kAside{padding:28px 22px}.knowledgeEmbedded h1{font-size:25px}@media (width<=960px){.kLayout,.knowledgeEmbedded .kLayout{grid-template-columns:1fr}.kAside{border-right:0;border-bottom:1px solid var(--k-line);padding:24px}.knowledge h1{white-space:normal;font-size:26px}.kSuggestions{grid-template-columns:1fr 1fr;margin:18px 0 0}.kHuman{margin-top:20px;padding-top:16px}.kHuman p{margin:5px 0}.kHuman a{margin:6px 16px 0 0;display:inline-block}.kWorkspace{padding:24px}.kConversation{min-height:220px;max-height:60dvh}.kEmpty{padding:20px 0}.kHeader{padding:16px 24px}}@media (width<=520px){.kHeader{flex-wrap:wrap;gap:12px}.kBrand img{width:160px;height:38px}.kHeaderActions{gap:12px}.kHeaderActions>a{font-size:13px}.kAside,.kWorkspace,.knowledgeEmbedded .kWorkspace{padding:20px}.kSuggestions{grid-template-columns:1fr}.kComposerActions{align-items:stretch}.kComposerActions button{padding:10px}.knowledge .kEmpty h2{font-size:25px}.kSources a{flex-basis:100%}}