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var(--line);border-radius:8px;background:#fff}table.matrix{border-collapse:separate;border-spacing:0;font-size:11px}.matrix th,.matrix td{border-right:1px solid #efece4;border-bottom:1px solid #efece4}.matrix .corner{position:sticky;left:0;top:0;z-index:4;background:#f1efe9;padding:6px 8px;text-align:left;white-space:nowrap;color:var(--muted)}.matrix thead th.colhead{position:sticky;top:0;z-index:2;background:#f7f5f0;height:96px;vertical-align:bottom;padding:4px 0}.matrix thead th.colhead span{writing-mode:vertical-rl;text-orientation:mixed;white-space:nowrap;font-weight:600;color:#555;display:inline-block;padding:0 0 6px}.matrix tbody th.rowhead{position:sticky;left:0;z-index:1;background:#f7f5f0;text-align:right;padding:3px 8px;white-space:nowrap;font-weight:600;color:#444}.matrix td.cell{width:24px;min-width:24px;height:24px;text-align:center;font-weight:600}.matrix .colhead.hl,.matrix .rowhead.hl{background:#e7eef6;color:var(--accent)}.matrix td.lit{outline:1px solid rgba(43,108,176,.5);outline-offset:-1px}.chat{display:flex;gap:16px;align-items:stretch;height:74vh;min-height:460px}.conv-list{width:264px;flex-shrink:0;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:10px;background:var(--card);overflow:hidden}.new-conv{padding:10px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:8px}.new-conv select{padding:7px 8px;border:1px solid var(--line);border-radius:6px;font-size:13px;background:#fff}button.primary{border:1px solid var(--ink);background:var(--ink);color:#fff;padding:8px 14px;border-radius:6px;cursor:pointer;font-size:13px}button.primary:disabled{opacity:.45;cursor:not-allowed}.conv-scroll{flex:1;overflow-y:auto;padding:6px}.conv-item{position:relative;padding:9px 28px 9px 10px;border-radius:8px;cursor:pointer;margin-bottom:2px}.conv-item:hover{background:#f1efe9}.conv-item.active{background:#eef3fa;outline:1px solid #cfe0f2}.conv-top{display:flex;align-items:center;gap:6px}.conv-role{font-size:11px;color:var(--accent);font-weight:700}.dot-pending{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;animation:pulse 1.2s ease-in-out infinite}.conv-title{font-size:13px;font-weight:600;margin:2px 0;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.conv-preview{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conv-del{position:absolute;top:6px;right:6px;border:none;background:transparent;color:var(--muted);cursor:pointer;font-size:16px;line-height:1;padding:2px 4px;border-radius:4px}.conv-del:hover{background:#00000010;color:var(--urgent)}.chat-main{flex:1;min-width:0;border:1px solid var(--line);border-radius:10px;background:#fcfbf8;display:flex;flex-direction:column;overflow:hidden}.empty-thread{padding:48px 32px}.empty-thread h2{margin:0 0 10px}.thread{display:flex;flex-direction:column;height:100%}.thread-head{padding:8px 16px;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted);background:#fff;display:flex;align-items:center;justify-content:space-between;gap:10px}.me-row{display:flex;gap:6px}.me-row select{flex:1;padding:6px 8px;border:1px solid var(--line);border-radius:6px;font-size:12px;background:#fff}.me-switch{display:flex;gap:6px}.me-switch select{padding:4px 6px;border:1px solid var(--line);border-radius:6px;font-size:12px;background:#fcfbf8;color:var(--ink);cursor:pointer}.msg-scroll{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:14px}.bubble-row{display:flex;gap:10px;align-items:flex-start}.bubble-row.user{justify-content:flex-end}.avatar{width:30px;height:30px;flex-shrink:0;border-radius:7px;background:var(--ink);color:#fff;font-size:11px;display:flex;align-items:center;justify-content:center;font-weight:700}.bubble{max-width:76%;padding:4px 14px;border-radius:12px;font-size:14px;line-height:1.7}.bubble.user{background:var(--accent);color:#fff;border-bottom-right-radius:3px}.bubble.user a{color:#fff;text-decoration:underline}.bubble.assistant{background:#fff;border:1px solid var(--line);border-bottom-left-radius:3px}.bubble.assistant.error{border-color:#f0c8c2;background:#fff3f1}.bubble :first-child{margin-top:0}.bubble :last-child{margin-bottom:0}.bubble pre{background:#1a1a1a;color:#f2f2f2;padding:12px;border-radius:8px;overflow-x:auto;font-size:12.5px}.bubble code{font-family:SF Mono,Menlo,monospace}.bubble :not(pre)>code{background:#00000010;padding:1px 5px;border-radius:4px;font-size:12.5px}.bubble.user :not(pre)>code{background:#ffffff38}.thinking{color:var(--muted);font-size:13px}.thinking .dots{animation:blink 1.2s steps(3) infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}@keyframes blink{0%{opacity:.2}50%{opacity:1}to{opacity:.2}}.composer{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line);background:#fff}.composer textarea{flex:1;resize:none;border:1px solid var(--line);border-radius:8px;padding:9px 12px;font-size:14px;font-family:inherit;line-height:1.5}.composer textarea:focus{outline:none;border-color:var(--accent)}.composer .send{align-self:flex-end}.pw-gate,.empty-thread .hint{max-width:560px}.pw-gate{padding:48px 8px}.pw-row{display:flex;gap:8px;margin-top:14px;max-width:420px}.pw-row input{flex:1;padding:9px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px}.hint.sm{font-size:12px;padding:14px 8px}.error.sm{margin:10px;padding:10px 14px;font-size:13px}