:root{--sem-accent: #3370FF;--sem-accent-d: #245BDB;--sem-accent-l: #E8F0FF;--sem-done: #1A9B53;--sem-done-bg: #E9F6EE;--sem-alert: #D93B3B;--sem-alert-bg: #FDEAEA;--sem-wait: #E08A00;--sem-wait-bg: #FDF3E0;--sem-ink: #1F2329;--bg: #F4F6FA;--panel: #FFFFFF;--bg-soft: #F4F6F9;--hover: #F2F3F5;--on-accent: #FFFFFF;--line: #E6EAF0;--line-2: #EEF1F6;--line-hover: #BCCCEA;--ink: #1F2329;--ink-2: #4E5969;--muted: #86909C;--fs-xs: 11px;--fs-sm: 12px;--fs-md: 13px;--fs-lg: 14px;--font-weight-display: 600;--font-num: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--r: 12px;--sh: 0 1px 3px rgba(20, 40, 80, .06), 0 4px 16px rgba(20, 40, 80, .05);--tap: 44px;--font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif}@media (prefers-color-scheme: dark){:root{--sem-accent: #5B8CFF;--sem-accent-d: #4D82FF;--sem-accent-l: #1D2C4A;--sem-done: #4CC585;--sem-done-bg: #1D3A2B;--sem-alert: #FF6F6F;--sem-alert-bg: #3A2527;--sem-wait: #E6A83E;--sem-wait-bg: #3A3220;--sem-ink: #E8EAED;--bg: #16181D;--panel: #21242B;--bg-soft: #272B33;--hover: #2D323C;--line: #363B45;--line-2: #2C313A;--line-hover: #4A5260;--ink: #E8EAED;--ink-2: #B2B9C4;--muted: #868D99;--sh: 0 1px 3px rgba(0, 0, 0, .4), 0 4px 16px rgba(0, 0, 0, .34)}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font);background:var(--bg);color:var(--ink);font-size:var(--fs-lg);line-height:1.55;-webkit-font-smoothing:antialiased}.topbar{height:54px;background:var(--panel);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;padding:0 20px;flex-shrink:0;position:relative;z-index:10}.brand{display:flex;align-items:center;gap:9px;flex-shrink:0}.brand .mark{height:26px;width:auto;display:block;color:var(--sem-accent);flex-shrink:0}.brand .name{font-size:19px;font-weight:700;letter-spacing:.5px;color:var(--ink)}.brand .slogan{font-size:var(--fs-sm);color:var(--muted);margin-left:2px}.nav{display:flex;gap:2px}.nav .item{padding:9px 10px;border-radius:9px;text-decoration:none;font-size:var(--fs-lg);color:var(--ink-2);transition:background .15s,color .15s;line-height:1}.nav .item:hover{background:var(--hover)}.nav .item[aria-current=page]{background:var(--sem-accent-l);color:var(--sem-accent);font-weight:600}.spacer{flex:1}.chip{display:inline-flex;align-items:center;gap:6px;font-size:var(--fs-sm);color:var(--ink-2);padding:4px 11px;border:1px solid var(--line);border-radius:999px;background:var(--bg-soft);white-space:nowrap}.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--muted);flex-shrink:0}.chip.live{color:var(--sem-alert);border-color:var(--sem-alert);background:var(--sem-alert-bg)}.chip.live .dot{background:var(--sem-alert);animation:pulse 2s infinite}.chip.wait{color:var(--sem-wait);border-color:var(--sem-wait);background:var(--sem-wait-bg)}.chip.wait .dot{background:var(--sem-wait)}.chip.fail{color:var(--sem-alert);border-color:var(--sem-alert);background:var(--sem-alert-bg)}.chip.fail .dot{background:var(--sem-alert)}.chip.done{color:var(--sem-done);border-color:var(--sem-done);background:var(--sem-done-bg)}.chip.done .dot{background:var(--sem-done)}@keyframes pulse{50%{opacity:.35}}.btn{font-family:inherit;font-size:var(--fs-md);padding:8px 13px;border-radius:9px;border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer;transition:border-color .15s,background .15s,color .15s;white-space:nowrap;line-height:1.2}.btn:hover:not(:disabled){border-color:var(--line-hover);background:var(--bg-soft)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn.primary{background:var(--sem-accent);border-color:var(--sem-accent);color:var(--on-accent)}.btn.primary:hover:not(:disabled){background:var(--sem-accent-d);border-color:var(--sem-accent-d)}.btn.alert:hover:not(:disabled){border-color:var(--sem-alert);color:var(--sem-alert);background:var(--sem-alert-bg)}kbd{font-size:var(--fs-xs);color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:1px 4px;margin-left:6px}input,select,textarea{font-family:inherit;font-size:var(--fs-md);padding:8px 11px;border:1px solid var(--line);border-radius:9px;background:var(--panel);color:var(--ink);transition:border-color .15s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--sem-accent)}input::placeholder{color:var(--muted)}label{font-size:var(--fs-sm);color:var(--ink-2)}.page{padding:32px;max-width:1120px}.page-head{margin-bottom:20px}.page-head h2{font-size:20px;font-weight:var(--font-weight-display);letter-spacing:.3px}.page-head p{color:var(--ink-2);font-size:var(--fs-md);margin-top:5px}.pane-label{font-size:var(--fs-sm);color:var(--muted);display:flex;align-items:center;gap:8px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;box-shadow:var(--sh);margin-bottom:14px}.card h3{font-size:var(--fs-lg);font-weight:var(--font-weight-display);margin-bottom:10px}.empty{border:1px dashed var(--line);border-radius:var(--r);padding:28px 26px;color:var(--ink-2);font-size:var(--fs-md);background:var(--panel)}.empty strong{display:block;color:var(--ink);font-size:var(--fs-lg);margin-bottom:8px;font-weight:var(--font-weight-display)}.empty ol{margin:12px 0 0 20px}.empty li{margin-bottom:5px}.banner{padding:11px 14px;border-radius:9px;border:1px solid var(--sem-accent);background:var(--sem-accent-l);font-size:var(--fs-md);color:var(--ink-2);margin-bottom:16px}.banner.error{border-color:var(--sem-alert);background:var(--sem-alert-bg);color:var(--sem-alert)}.workbench{flex:1;display:flex;min-height:0}.transcript{width:38%;min-width:320px;border-right:1px solid var(--line);background:var(--panel);display:flex;flex-direction:column}.transcript>.pane-label{padding:16px 20px 10px;flex-shrink:0}.transcript .stream{flex:1;overflow-y:auto;padding:4px 20px 20px}.utt{display:flex;gap:10px;padding:9px 0}.utt .who{flex-shrink:0;width:50px;font-size:var(--fs-sm);color:var(--muted);padding-top:2px;display:flex;align-items:baseline;gap:5px}.utt .who i{width:6px;height:6px;border-radius:50%;flex-shrink:0;display:inline-block}.utt.ours .who i{background:var(--sem-accent)}.utt.theirs .who i{background:var(--muted)}.utt .text{flex:1;color:var(--ink-2);font-size:var(--fs-lg)}.utt .time{font-size:var(--fs-xs);color:var(--muted);flex-shrink:0;padding-top:4px;font-variant-numeric:tabular-nums}.utt.partial{opacity:.5}.canvas{flex:1;overflow-y:auto;padding:16px 32px 32px}.canvas>.pane-label{padding:4px 0 16px}.tree{position:relative;padding-left:26px;max-width:780px}.tree:before{content:"";position:absolute;left:8px;top:10px;bottom:10px;width:2px;background:linear-gradient(to bottom,var(--sem-accent),var(--sem-accent-l));border-radius:2px}.tree-group>.group-label{font-size:var(--fs-sm);color:var(--muted);margin:0 0 10px;font-weight:var(--font-weight-display)}.node{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;margin-bottom:14px;box-shadow:var(--sh);transition:border-color .2s,box-shadow .2s,transform .2s}.node:hover{border-color:var(--line-hover);transform:translateY(-1px)}.node:before{content:"";position:absolute;left:-23px;top:18px;width:12px;height:12px;border-radius:50%;background:var(--panel);border:2px solid var(--sem-accent)}.node:after{content:"";position:absolute;left:-17px;top:23px;width:17px;height:2px;background:var(--line)}.node.fresh{animation:grow .8s cubic-bezier(.22,1,.36,1);border-color:var(--sem-accent);box-shadow:0 0 0 2px var(--sem-accent-l),var(--sh)}@keyframes grow{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.node h4{font-size:var(--fs-lg);font-weight:var(--font-weight-display);display:flex;align-items:center;gap:8px;flex-wrap:wrap}.node .detail{color:var(--ink-2);margin-top:6px;font-size:var(--fs-md)}.node .meta{margin-top:10px;font-size:var(--fs-xs);color:var(--muted);display:flex;align-items:center;gap:10px}.node .meta .num{font-variant-numeric:tabular-nums;font-weight:var(--font-weight-display)}.tag{font-size:var(--fs-xs);border-radius:3px;padding:2px 6px;background:var(--bg-soft);color:var(--ink-2);border:1px solid var(--line);font-weight:400}.tag.done{color:var(--sem-done);background:var(--sem-done-bg);border-color:transparent;font-weight:600}.tag.wait{color:var(--sem-wait);background:var(--sem-wait-bg);border-color:transparent;font-weight:600}.change-dot{width:8px;height:8px;border-radius:50%;background:var(--sem-accent);cursor:help;flex-shrink:0}.lite{padding:32px;max-width:740px}.lite-card{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--sem-accent);border-radius:var(--r);padding:14px 16px;margin-bottom:14px;box-shadow:var(--sh)}.lite-card h3{font-size:var(--fs-lg);font-weight:var(--font-weight-display);margin-bottom:8px}.lite-card li{margin:5px 0;color:var(--ink-2);list-style:none;font-size:var(--fs-md)}.lite-card li:before{content:"— ";color:var(--muted)}.rows{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh)}.rows>*{background:var(--panel);padding:12px 16px;font-size:var(--fs-md)}.row-head{font-size:var(--fs-sm);color:var(--muted);background:var(--bg-soft)!important}.num{font-variant-numeric:tabular-nums;font-weight:var(--font-weight-display)}a{color:var(--sem-accent)}:focus-visible{outline:2px solid var(--sem-accent);outline-offset:2px}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition:none!important}}@media (min-width: 1280px){.canvas{padding:24px 40px 40px}}@media (max-width: 1100px){.brand .slogan{display:none}}@media (max-width: 880px){.topbar{height:auto;flex-wrap:wrap;gap:10px;padding:10px 14px}.nav{order:3;width:100%;overflow-x:auto}.workbench{flex-direction:column}.transcript{width:100%;min-width:0;max-height:42vh;border-right:none;border-bottom:1px solid var(--line)}.canvas,.page,.lite{padding:14px}.btn,.nav .item{min-height:var(--tap);display:inline-flex;align-items:center}}@media (max-width: 480px){.brand .name{font-size:15px}}.projection{--panel: #0E1E33;--bg: #071426;--line: #1D3050;--ink: #E6EBF4;--ink-2: #B2C2D8;--muted: #8FA0BC;--sem-accent: #5B8CFF;min-height:100vh;background:var(--bg);color:var(--ink);padding:48px}.projection .proj-head{display:flex;align-items:baseline;gap:16px;margin-bottom:32px}.projection .proj-head .name{font-size:28px;font-weight:700;color:var(--sem-accent)}.projection .proj-head .slogan{font-size:16px;color:var(--muted)}.projection .proj-exit{opacity:.4}.projection .proj-exit:hover{opacity:1}.projection .group-title{font-size:15px;color:var(--sem-accent);letter-spacing:2px;margin-bottom:10px}.projection .proj-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:12px}.projection .proj-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}.projection .proj-card .t{font-size:16px;font-weight:var(--font-weight-display)}.projection .proj-card .d{font-size:var(--fs-md);color:var(--muted);margin-top:6px}.projection .proj-empty{color:var(--muted);font-size:18px;text-align:center;margin-top:120px}@media (max-width: 880px){.projection{padding:20px}}