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.15s}.resize-handle-h:hover:after,.resize-handle-h:focus-visible:after,.resize-handle-h:active:after{background:var(--accent)}.resize-handle-h:focus-visible{outline:none}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:var(--surface)}::-webkit-scrollbar-thumb{background:var(--border2);border-radius:2px}#startup-tip{position:fixed;bottom:calc(var(--footer-h) + 8px);left:50%;transform:translate(-50%);background:var(--surface2);border:1px solid var(--border2);border-radius:6px;padding:8px 14px;font-family:var(--mono);font-size:10px;color:var(--text3);z-index:50;pointer-events:none;display:flex;gap:12px;align-items:center;animation:fadeOut 0s 5s forwards}@keyframes fadeOut{to{opacity:0;pointer-events:none}}.tab-rail .tab-btn{position:relative;width:36px;height:36px;padding:0;border-radius:6px;border:none;background:transparent;color:var(--text3);display:flex;flex-direction:row;align-items:center;justify-content:center;transition:all .15s}.tab-rail .tab-btn:hover{background:var(--surface3);color:var(--text2);border-color:transparent}.tab-rail .tab-btn svg{width:16px;height:16px}.tab-rail .tab-btn .tab-number{display:none}.tab-rail .tab-btn.active{background:var(--red);color:#fff}.tab-rail .tab-btn.active:after{content:"";position:absolute;right:-1px;top:50%;transform:translateY(-50%);width:2px;height:20px;background:var(--red);border-radius:1px 0 0 1px}.tab-rail .tab-btn:nth-of-type(3),.tab-rail .tab-btn:nth-of-type(6){margin-bottom:11px}.tab-rail .tab-btn:nth-of-type(3):before,.tab-rail .tab-btn:nth-of-type(6):before{content:"";position:absolute;width:20px;height:1px;background:var(--border);left:8px;bottom:-7px}.legacy-edge-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.legacy-edge-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;text-align:center;padding:7px 9px 4px}.legacy-edge-summary>div{display:grid;gap:2px}.legacy-edge-summary span{font:8px var(--mono);color:var(--text3)}.legacy-edge-summary b{font:10px var(--mono);font-weight:400;color:var(--text2)}.legacy-edge-summary b.infinite{color:var(--accent)}.legacy-hmin-summary{margin:8px 9px 2px;display:flex;gap:8px;align-items:center;font-family:var(--mono)}.legacy-hmin-summary span{font-size:9px;color:var(--text3)}.legacy-hmin-summary b{font-size:11px;font-weight:400;color:var(--text2)}.legacy-effects{display:flex;flex-direction:column;gap:6px;padding:7px 9px 2px}.legacy-effects>div{display:flex;justify-content:space-between;align-items:center}.legacy-effects span{font:9px var(--mono);color:var(--text3)}.legacy-effects b{font:10px var(--mono);font-weight:400;color:var(--accent)}.legacy-choice-grid{display:grid;gap:4px;margin:0 9px 8px}.legacy-plate-shapes{grid-template-columns:repeat(4,minmax(0,1fr))}.legacy-standoff-grid{grid-template-columns:1fr 1fr}.legacy-choice-grid button{padding:6px 4px;border-radius:5px;border:1px solid var(--border2);background:var(--surface3);color:var(--text2);font-family:var(--ui);font-size:10px;transition:all .15s}.legacy-choice-grid button.active{border-color:var(--red);background:#cc00001f;color:var(--red)}.legacy-choice-grid .choice-icon{display:block;font-size:14px;line-height:1.2;margin-bottom:1px}#footer-panel{position:fixed;bottom:0;left:0;right:0;height:var(--footer-h);background:var(--surface);border-top:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;z-index:90}#footer-header{padding:8px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-shrink:0;min-height:0;height:auto}.fh-left{display:flex;align-items:center;gap:12px;min-width:0}.fh-title{font-family:var(--head);font-size:12px;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:1px;white-space:nowrap}.lc-count{background:var(--red);color:#fff;font-family:var(--mono);font-size:9px;font-weight:700;padding:1px 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