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lab,red,red)){.tree-row.is-preview-target{background:color-mix(in oklch,var(--c-text) 10%,transparent)}}.preview-edge{background:var(--c-text);justify-content:center;align-items:center;height:22px;display:flex;position:sticky;left:0;right:0}@supports (color:color-mix(in lab,red,red)){.preview-edge{background:color-mix(in oklch,var(--c-text) 8%,var(--c-surface-sub))}}.preview-edge{border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);z-index:5;pointer-events:none}.preview-edge-top{top:0}.preview-edge-bottom{margin-top:-1px;bottom:0}.preview-edge-arrow{border-left:5px solid #0000;border-right:5px solid #0000;width:0;height:0}.preview-edge-arrow.up{border-bottom:6px solid var(--c-text-sub)}.preview-edge-arrow.down{border-top:6px solid var(--c-text-sub)}.tree-twist{width:14px;color:var(--c-text-dim);cursor:pointer;flex:0 0 14px;justify-content:center;display:inline-flex}.tree-twist:hover{color:var(--c-text)}.tree-icon{flex:0 0 14px;display:inline-flex}.tree-label{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.tree-row.is-uf .tree-label{font-weight:500}.tree-row.is-uc .tree-label{color:var(--c-text-sub)}.tree-row.is-uc .tree-label:before{content:"UC";font:500 9.5px/14px var(--font-mono);color:var(--c-uc);background:var(--c-uc-soft);vertical-align:2px;border-radius:3px;margin-right:6px;padding:0 4px;display:inline-block}.tree-count{font:500 10px/1 var(--font-mono);color:var(--c-text-dim);background:var(--c-surface);border:1px solid var(--c-border);border-radius:8px;padding:2px 5px}.empty-workspace{text-align:center;flex-direction:column;align-items:center;gap:8px;padding:36px 24px 24px;display:flex}.empty-art{background:var(--c-uf-tint);width:56px;height:56px;color:var(--c-uf);border:1px dashed var(--c-uf);justify-content:center;align-items:center;display:inline-flex}@supports (color:color-mix(in lab,red,red)){.empty-art{border:1px dashed color-mix(in oklch,var(--c-uf) 30%,var(--c-border))}}.empty-art{border-radius:var(--r-lg);margin-bottom:4px}.empty-title{font-size:14px;font-weight:600}.empty-sub{color:var(--c-text-sub);max-width:280px;font-size:12.5px;line-height:1.5}.empty-tip{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);color:var(--c-text-sub);text-align:left;max-width:280px;margin-top:16px;padding:10px 12px;font-size:11.5px;line-height:1.5}.empty-tip span{font:500 10px/1 var(--font-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--c-uc);background:var(--c-uc-soft);border-radius:3px;margin-right:6px;padding:2px 5px;display:inline-block}.tree-empty{text-align:center;flex-direction:column;align-items:center;gap:6px;padding:40px 24px;display:flex}.tree-empty-title{color:var(--c-text);font-weight:500}.tree-empty-sub{color:var(--c-text-sub);margin-bottom:4px;font-size:12px}.btn-primary,.btn-ghost,.btn-link,.btn-mini{border-radius:var(--r-md);white-space:nowrap;align-items:center;gap:6px;font-size:12.5px;transition:background 80ms;display:inline-flex;position:relative}.btn-primary{background:var(--c-text);color:var(--c-bg);padding:7px 12px;font-weight:500}.btn-primary:hover{background:var(--c-text)}@supports (color:color-mix(in lab,red,red)){.btn-primary:hover{background:color-mix(in oklch,var(--c-text) 88%,var(--accent))}}.btn-primary.danger{background:var(--c-danger);color:#fff}.btn-primary.danger:hover{background:var(--c-danger)}@supports (color:color-mix(in lab,red,red)){.btn-primary.danger:hover{background:color-mix(in oklch,var(--c-danger) 88%,black)}}.btn-primary.warn{background:var(--c-warn);color:#fff}.btn-ghost{color:var(--c-text-sub);border:1px solid var(--c-border);background:var(--c-surface);padding:5px 9px}.btn-ghost:hover{color:var(--c-text);border-color:var(--c-border-strong)}.btn-ghost.danger{color:var(--c-danger)}.btn-ghost.danger:hover{border-color:var(--c-danger);background:var(--c-danger-soft)}.btn-kbd{background:var(--c-text);color:var(--c-bg);white-space:nowrap;pointer-events:none;z-index:20;border-radius:4px;align-items:center;gap:2px;padding:4px 6px;display:none;position:absolute;bottom:calc(100% + 4px);left:50%;transform:translate(-50%)}.btn-kbd:after{content:"";border:4px solid #0000;border-top-color:var(--c-text);width:0;height:0;position:absolute;top:100%;left:50%;transform:translate(-50%)}.btn-kbd .kbd{color:var(--c-bg);background:#ffffff1f;border-color:#ffffff2e;border-bottom-width:1px;min-width:16px;height:16px;font-size:10px}.btn-ghost:hover .btn-kbd,.btn-mini:hover .btn-kbd{display:inline-flex}.btn-mini{color:var(--c-text-sub);border:1px dashed var(--c-border-strong);padding:4px 8px;font-size:11.5px}.btn-mini:hover{color:var(--c-text);border-color:var(--c-text);border-style:solid}.btn-link{color:var(--accent);padding:0;font-weight:500}.btn-link:hover{text-decoration:underline}.divider{cursor:col-resize;background:0 0;flex:0 0 6px;position:relative}.divider-grip{background:var(--c-border);width:1px;transition:background 80ms;position:absolute;top:0;bottom:0;left:50%;transform:translate(-50%)}.divider:hover .divider-grip,.divider:active .divider-grip{background:var(--accent);width:2px}.detail-aside{background:var(--c-bg);flex:1;min-width:0;min-height:0;overflow-y:auto}.panel{flex-direction:column;max-width:760px;min-height:100%;padding:28px 40px 32px;display:flex}.panel-head{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:12px;display:flex}.panel-eyebrow{color:var(--c-text-sub);flex-direction:column;flex:1;align-items:flex-start;gap:8px;min-width:0;font-size:13px;display:flex}.panel-eyebrow .bc{word-break:break-word;flex-wrap:wrap;font-size:13px;line-height:1.45}.panel-eyebrow .type-chip{margin-top:2px}.panel-actions{flex-shrink:0;align-self:flex-start;gap:6px;display:flex}.type-chip{font:500 11px/1.4 var(--font-mono);letter-spacing:.02em;text-transform:uppercase;border-radius:999px;align-items:center;gap:6px;padding:3px 8px 3px 6px;display:inline-flex}.uf-chip{background:var(--c-uf-soft);color:var(--c-uf)}.uc-chip{background:var(--c-uc-soft);color:var(--c-uc)}.bc{flex-wrap:wrap;align-items:center;gap:4px;font-size:12px;display:inline-flex}.bc-sep{color:var(--c-text-dim);padding:0 1px}.bc-link{color:var(--c-text-sub);cursor:pointer}.bc-link:hover{color:var(--c-text);text-decoration:underline}.bc-current{color:var(--c-text);font-weight:500}.bc-meta{color:var(--c-text-dim);text-transform:uppercase;letter-spacing:.06em;margin-right:4px;font-size:11px}.panel-title{letter-spacing:-.015em;width:100%;color:var(--c-text);border-bottom:1px dashed #0000;margin:4px 0 14px;padding:4px 0;font-size:30px;font-weight:600;line-height:1.15}.panel-title:focus{border-bottom-color:var(--c-border-strong)}.panel-title::placeholder{color:var(--c-text-dim)}.panel-desc{resize:vertical;width:100%;min-height:70px;color:var(--c-text-sub);background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);margin:0 0 24px;padding:10px 12px;font-size:14px;line-height:1.55}.panel-desc:focus{background:var(--c-surface);border-color:var(--accent)}@supports (color:color-mix(in lab,red,red)){.panel-desc:focus{border-color:color-mix(in oklch,var(--accent) 55%,var(--c-border))}}.panel-desc:focus{box-shadow:0 0 0 3px var(--accent)}@supports (color:color-mix(in lab,red,red)){.panel-desc:focus{box-shadow:0 0 0 3px color-mix(in oklch,var(--accent) 14%,transparent)}}.panel-desc::placeholder{color:var(--c-text-dim)}.section{margin-top:22px}.section-head{border-bottom:1px solid var(--c-border);justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:10px;padding-bottom:6px;display:flex}.section-titles{min-width:0}.section-title{text-transform:uppercase;letter-spacing:.06em;color:var(--c-text);white-space:nowrap;align-items:center;gap:8px;margin:0;font-size:13px;font-weight:600;display:flex}.section-count{font:500 11.5px/1 var(--font-mono);color:var(--c-text-sub);background:var(--c-surface-sub);text-transform:none;letter-spacing:0;border-radius:8px;padding:2px 7px}.section-sub{color:var(--c-text-sub);text-transform:none;letter-spacing:0;margin-top:5px;font-size:12.5px;font-weight:400;line-height:1.5}.section-body{flex-direction:column;gap:2px;display:flex}.chip-row{flex-wrap:wrap;gap:6px;display:flex}.chip{background:var(--c-surface);border:1px solid var(--c-border);color:var(--c-text);border-radius:999px;align-items:center;gap:6px;padding:5px 10px 5px 8px;font-size:12.5px;display:inline-flex}.chip:hover{background:var(--c-uf-tint);border-color:var(--c-uf)}@supports (color:color-mix(in lab,red,red)){.chip:hover{border-color:color-mix(in oklch,var(--c-uf) 35%,var(--c-border))}}.chip-uf{color:var(--c-text)}.chip-uf>:first-child{color:var(--c-uf)}.chip-count{font:500 10px/1 var(--font-mono);background:var(--c-surface-sub);color:var(--c-text-sub);border-radius:6px;margin-left:2px;padding:1px 5px}.uc-row{border-radius:var(--r-md);align-items:stretch;display:flex}.uc-row:hover{background:var(--c-surface-sub)}.uc-row-main{border-radius:var(--r-md);text-align:left;flex:1;align-items:center;gap:10px;min-width:0;padding:8px 10px;display:flex}.uc-row-icon{display:inline-flex}.uc-row-name{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:13.5px;overflow:hidden}.shared-badge{font:500 10px/1 var(--font-mono);background:var(--c-uc-soft);color:var(--c-uc);border-radius:4px;padding:3px 6px}.uc-row.is-readonly .uc-row-name{color:var(--c-text-sub)}.uc-row.is-readonly:hover{background:var(--c-surface-sub)}.uc-row.is-readonly:before{content:"";background:var(--c-border);border-radius:2px;align-self:stretch;width:3px;margin-right:4px}.empty-row{border:1px dashed var(--c-border-strong);border-radius:var(--r-md);color:var(--c-text-sub);flex-wrap:wrap;align-items:center;gap:8px;padding:12px 10px;font-size:12.5px;display:flex}.ancestor-group{margin-bottom:4px;padding:8px 0 4px}.ancestor-group+.ancestor-group{border-top:1px solid var(--c-border);padding-top:12px}.ancestor-path{font:500 11px/1 var(--font-mono);color:var(--c-text-sub);align-items:center;gap:4px;margin:0 0 4px 10px;display:inline-flex}.ancestor-path .bc-sep{color:var(--c-text-dim);font-size:12px}.link-inline{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);box-shadow:var(--sh-sm);margin:4px 0 8px;padding:8px}.link-input{background:var(--c-surface-sub);border-radius:var(--r-sm);width:100%;height:30px;padding:6px 8px;font-size:13px}.link-input::placeholder{color:var(--c-text-dim)}.link-results{flex-direction:column;gap:2px;max-height:240px;margin-top:6px;display:flex;overflow-y:auto}.link-result{border-radius:var(--r-sm);text-align:left;align-items:center;gap:10px;padding:8px 10px;display:flex}.link-result:hover{background:var(--c-surface-sub)}.link-result-name{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:13px;overflow:hidden}.link-result-meta{color:var(--c-text-dim);font-size:11px}.link-hint{color:var(--c-text-dim);padding:12px 10px;font-size:12px}.link-foot{border-top:1px solid var(--c-border);color:var(--c-text-sub);justify-content:space-between;align-items:center;margin-top:6px;padding:6px 4px 0;font-size:11.5px;display:flex}.link-foot-hint strong{color:var(--c-text);background:var(--c-uc-tint);border-radius:3px;padding:1px 5px;font-weight:600}.link-paths{flex-direction:column;gap:6px;display:flex}.link-path{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);text-align:left;cursor:pointer;align-items:center;gap:10px;padding:9px 12px;transition:border-color 80ms,background 80ms;display:flex}.link-path:hover{border-color:var(--c-uc)}@supports (color:color-mix(in lab,red,red)){.link-path:hover{border-color:color-mix(in oklch,var(--c-uc) 35%,var(--c-border))}}.link-path:hover{background:var(--c-uc-tint)}.link-path.is-current{background:var(--c-uc-tint);border-color:var(--c-uc)}@supports (color:color-mix(in lab,red,red)){.link-path.is-current{border-color:color-mix(in oklch,var(--c-uc) 35%,var(--c-border))}}.link-path-icon{color:var(--c-uf);opacity:.85;flex-shrink:0;display:inline-flex}.link-path:hover .link-path-icon{opacity:1}.link-path-bc-text{min-width:0;font:500 12.5px/1.35 var(--font-mono);color:var(--c-text);flex-wrap:wrap;flex:1;align-items:center;gap:4px;display:inline-flex}.link-path-bc-text .bc-sep{color:var(--c-text-dim);padding:0 1px}.here-badge{font:500 9.5px/1 var(--font-mono);text-transform:uppercase;letter-spacing:.08em;background:var(--c-uc);color:var(--c-uc-soft);border-radius:3px;padding:3px 6px}.link-path-cue{font:500 11px/1 var(--font-mono);color:var(--c-text-dim);opacity:0;flex-shrink:0;transition:opacity .1s,transform .1s;transform:translate(-4px)}.link-path:hover .link-path-cue{opacity:1;color:var(--c-uc);transform:none}.kbd-help{color:var(--c-text-dim);text-align:right;flex-direction:column;align-items:flex-end;gap:6px;margin-top:auto;padding-top:32px;font-size:11.5px;display:flex}.kbd-help-row{justify-content:flex-end;align-items:center;gap:12px;min-width:260px;display:inline-flex}.kbd-help-act{color:var(--c-text-sub);text-align:right}.kbd-help-keys{justify-content:flex-end;align-items:center;gap:2px;min-width:56px;display:inline-flex}.kbd-help em{color:var(--c-text-dim);font-style:normal}.kbd-help.center{text-align:center;align-items:center;margin-top:24px;padding-top:0}.panel.panel-empty{text-align:center;flex-direction:column;justify-content:center;align-items:center;height:100%;padding:24px;display:flex}.empty-detail-art{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);gap:8px;margin-bottom:16px;padding:14px 16px;display:inline-flex}.empty-detail-title{margin-bottom:4px;font-size:16px;font-weight:600}.empty-detail-sub{max-width:360px;color:var(--c-text-sub);font-size:13px;line-height:1.55}.dialog-backdrop{background:var(--c-text);position:fixed;top:0;right:0;bottom:0;left:0}@supports (color:color-mix(in lab,red,red)){.dialog-backdrop{background:color-mix(in oklch,var(--c-text) 35%,transparent)}}.dialog-backdrop{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:100;justify-content:center;align-items:center;animation:.12s ease-out fadeIn;display:flex}.dialog{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-xl);width:min(480px,92vw);box-shadow:var(--sh-lg);animation:.16s cubic-bezier(.2,.7,.3,1) dialogIn;overflow:hidden}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes dialogIn{0%{opacity:0;transform:translateY(8px)scale(.98)}to{opacity:1;transform:none}}.dialog-head{gap:14px;padding:20px 22px 18px;display:flex}.dialog-icon{border-radius:var(--r-md);flex:0 0 36px;justify-content:center;align-items:center;width:36px;height:36px;display:inline-flex}.dialog-icon.danger{background:var(--c-danger-soft);color:var(--c-danger)}.dialog-icon.warn{background:var(--c-warn-soft);color:var(--c-warn)}.dialog-title{margin-bottom:6px;font-size:15.5px;font-weight:600;line-height:1.35}.dialog-title em{color:var(--c-text);background:var(--c-surface-sub);border-radius:3px;padding:1px 5px;font-style:normal;font-weight:500}.dialog-body{color:var(--c-text-sub);font-size:13px;line-height:1.55}.dialog-body p{margin:0}.impact-list{background:var(--c-surface-sub);border:1px solid var(--c-border);border-radius:var(--r-md);flex-direction:column;gap:4px;margin-top:10px;padding:10px 12px;font-size:12px;display:flex}.impact-list.subtle{background:0 0;border-style:dashed}.impact-row{color:var(--c-text);align-items:center;gap:6px;display:flex}.impact-num{background:var(--c-danger);color:#fff;min-width:18px;height:18px;font:600 11px/1 var(--font-mono);border-radius:4px;justify-content:center;align-items:center;padding:0 5px;display:inline-flex}.impact-note{color:var(--c-text-sub);margin-top:2px;font-size:11.5px}.dialog-foot{background:var(--c-surface-sub);border-top:1px solid var(--c-border);justify-content:space-between;align-items:center;padding:12px 18px 16px;display:flex}.dialog-kbd{color:var(--c-text-sub);font-size:11.5px}.dialog-buttons{gap:8px;display:flex}.auth-screen{background:var(--c-bg);flex-direction:column;justify-content:center;align-items:center;gap:32px;height:100vh;display:flex}.auth-card{flex-direction:column;gap:12px;width:320px;display:flex}.auth-tagline{color:var(--c-text-sub);margin-top:6px;font-size:13px}.google-sign-in{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);box-shadow:var(--sh-sm);color:var(--c-text);justify-content:center;align-items:center;gap:10px;padding:9px 16px;font-size:13.5px;font-weight:500;display:flex}.google-sign-in:hover{background:var(--c-surface-sub);border-color:var(--c-border-strong)}.onboard-screen{background:var(--c-bg);flex-direction:column;justify-content:center;align-items:center;gap:24px;height:100vh;display:flex}.onboard-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-xl);width:360px;box-shadow:var(--sh-md);flex-direction:column;gap:16px;padding:28px 28px 24px;display:flex}.onboard-title{font-size:18px;font-weight:600}.onboard-sub{color:var(--c-text-sub);margin-top:-8px;font-size:13px;line-height:1.5}.onboard-field{flex-direction:column;gap:6px;display:flex}.onboard-label{color:var(--c-text-sub);font-size:12px;font-weight:500}.onboard-input{background:var(--c-surface-sub);border:1px solid var(--c-border);border-radius:var(--r-md);width:100%;height:36px;color:var(--c-text);padding:0 10px;font-size:13.5px}.onboard-input:focus{border-color:var(--accent)}@supports (color:color-mix(in lab,red,red)){.onboard-input:focus{border-color:color-mix(in oklch,var(--accent) 55%,var(--c-border))}}.onboard-input:focus{box-shadow:0 0 0 3px var(--accent)}@supports (color:color-mix(in lab,red,red)){.onboard-input:focus{box-shadow:0 0 0 3px color-mix(in oklch,var(--accent) 14%,transparent)}}.onboard-input:focus{background:var(--c-surface)}.onboard-input::placeholder{color:var(--c-text-dim)}.onboard-error{color:var(--c-danger);font-size:12px}.onboard-footer{justify-content:flex-end;align-items:center;gap:8px;display:flex}.loading-screen{background:var(--c-bg);height:100vh;color:var(--c-text-dim);justify-content:center;align-items:center;font-size:13px;display:flex}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}