:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;--bg: #d7dce2;--panel: rgba(245, 247, 250, .84);--panel-strong: rgba(245, 247, 250, .92);--line: rgba(32, 40, 50, .18);--text: #1c242d;--muted: #5f6b78;--accent: #a7adb4;--accent-2: #68717c}*{box-sizing:border-box}html,body,#app{width:100%;height:100%;margin:0}body{overflow:hidden;background:radial-gradient(circle at 50% 28%,#ffffffb3,#d7dce200 42%),var(--bg);color:var(--text)}button,input{font:inherit}#app{position:relative;isolation:isolate}#scene{display:block;width:100%;height:100%;outline:none}.view-switch{position:absolute;top:max(14px,env(safe-area-inset-top));left:50%;z-index:2;display:flex;gap:6px;max-width:calc(100vw - 28px);padding:5px;transform:translate(-50%);border:1px solid var(--line);border-radius:8px;background:var(--panel);box-shadow:0 18px 45px #00000038;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.view-button{display:inline-flex;align-items:center;justify-content:center;min-width:112px;min-height:32px;padding:7px 12px;border-radius:6px;color:var(--muted);font-size:.85rem;line-height:1;text-decoration:none;white-space:nowrap}.view-button:hover,.view-button:focus-visible{color:var(--text);background:#e2e8f014}.view-button.is-active{color:#171b20;background:var(--accent)}.notes-button{position:absolute;top:max(14px,env(safe-area-inset-top));right:max(14px,env(safe-area-inset-right));z-index:2;min-height:32px;padding:7px 12px;border:1px solid var(--line);border-radius:8px;background:var(--panel);box-shadow:0 14px 32px #141c241f;color:var(--text);cursor:pointer;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.notes-button:hover,.notes-button:focus-visible{background:#ffffffb8}.notes-panel{position:absolute;top:max(58px,calc(env(safe-area-inset-top) + 58px));right:max(14px,env(safe-area-inset-right));z-index:2;width:min(300px,calc(100vw - 28px));padding:11px 13px;border:1px solid var(--line);border-radius:8px;background:var(--panel-strong);box-shadow:0 18px 45px #141c2429;color:var(--text);font-size:.88rem;line-height:1.35;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.notes-panel[hidden]{display:none}.exploded-notes{width:min(920px,calc(100vw - 28px));max-height:min(84vh,820px);padding:14px;overflow:auto}.note-svg-defs{position:absolute;width:0;height:0;overflow:hidden}.notes-pagination{display:flex;gap:6px;margin-bottom:10px}.notes-page-button{min-height:28px;padding:5px 10px;border:1px solid rgba(32,40,50,.14);border-radius:6px;background:#ffffff61;color:var(--muted);cursor:pointer}.notes-page-button.is-active{border-color:#68717c80;background:#a7adb4b8;color:#171b20}.notes-page[hidden]{display:none}.notes-page-title{margin:0 0 10px;color:var(--text);font-size:1rem;line-height:1.2}.joint-note-grid,.groove-note-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.joint-note-card{display:grid;grid-template-rows:130px auto;gap:12px;align-items:stretch;min-width:0;min-height:240px;padding:12px;border:1px solid rgba(32,40,50,.12);border-radius:8px;background:#ffffff57}.joint-note-card h2{margin:0 0 5px;color:var(--text);font-size:.94rem;line-height:1.2}.joint-note-card p{margin:0;color:#33404c;font-size:.86rem;line-height:1.36}.joint-note-card-wide{grid-column:1 / -1}.groove-note-card{grid-template-rows:270px auto;min-height:370px}.joint-sketch{display:block;width:100%;height:130px;overflow:hidden}.groove-art{display:block;width:100%;height:270px;object-fit:contain;overflow:hidden}.joint-piece{stroke:#2f4852;stroke-linejoin:round;stroke-width:1.7;vector-effect:non-scaling-stroke}.joint-support{stroke:red;stroke-width:1.7;vector-effect:non-scaling-stroke}.joint-insert{stroke:#2f4852;stroke-width:1.7;vector-effect:non-scaling-stroke}.object-panel{position:absolute;top:max(14px,env(safe-area-inset-top));left:max(14px,env(safe-area-inset-left));display:grid;gap:5px;width:min(350px,calc(100vw - 28px));max-height:min(52vh,420px);padding:7px;overflow:auto;border:1px solid var(--line);border-radius:8px;background:var(--panel);box-shadow:0 18px 45px #141c2424;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.object-panel[hidden]{display:none}.visibility-group{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px}.visibility-group-1{grid-template-columns:minmax(0,1fr)}.visibility-group-3{grid-template-columns:repeat(3,minmax(0,1fr))}.visibility-row{display:grid;grid-template-columns:26px minmax(0,1fr);align-items:center;gap:6px;min-height:27px;padding:4px 6px;border:1px solid rgba(32,40,50,.12);border-radius:6px;background:#ffffff57;color:var(--text);cursor:pointer;-webkit-user-select:none;user-select:none}.visibility-row input{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.switch-track{position:relative;width:26px;height:14px;border:1px solid rgba(32,40,50,.24);border-radius:999px;background:#505c6a29;transition:background-color .16s ease,border-color .16s ease}.switch-track:after{position:absolute;top:2px;left:2px;width:8px;height:8px;border-radius:999px;background:var(--muted);transition:transform .16s ease,background-color .16s ease;content:""}.visibility-row input:checked+.switch-track{border-color:#68717c94;background:#a7adb447}.visibility-row input:checked+.switch-track:after{transform:translate(12px);background:var(--accent)}.visibility-row input:focus-visible+.switch-track{outline:2px solid var(--accent-2);outline-offset:3px}.object-name{overflow:hidden;color:var(--text);font-size:.84rem;line-height:1.2;text-overflow:ellipsis;white-space:nowrap}.slider-panel{position:absolute;left:50%;bottom:max(18px,env(safe-area-inset-bottom));width:min(580px,calc(100vw - 32px));transform:translate(-50%);padding:13px 16px;border:1px solid var(--line);border-radius:8px;background:var(--panel-strong);box-shadow:0 18px 45px #141c2429;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.slider-panel[hidden]{display:none}.explode-slider{--progress: 0%;display:block;width:100%;height:28px;margin:0;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent}.explode-slider:focus-visible{outline:2px solid var(--accent-2);outline-offset:5px}.explode-slider::-webkit-slider-runnable-track{height:8px;border:1px solid rgba(32,40,50,.2);border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent-2)) 0 / var(--progress) 100% no-repeat,#2c384621}.explode-slider::-moz-range-track{height:8px;border:1px solid rgba(32,40,50,.2);border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent-2)) 0 / var(--progress) 100% no-repeat,#2c384621}.explode-slider::-webkit-slider-thumb{width:22px;height:22px;margin-top:-8px;border:2px solid #eef2f6;border-radius:999px;background:var(--text);box-shadow:0 0 0 4px #68717c33;-webkit-appearance:none;-moz-appearance:none;appearance:none}.explode-slider::-moz-range-thumb{width:22px;height:22px;border:2px solid #eef2f6;border-radius:999px;background:var(--text);box-shadow:0 0 0 4px #68717c33}@media(max-width:680px){.object-panel{top:max(64px,env(safe-area-inset-top));width:min(350px,calc(100vw - 24px));max-height:34vh;padding:7px}.view-switch{width:calc(100vw - 24px)}.notes-button{top:max(58px,env(safe-area-inset-top));right:12px}.notes-panel{top:max(102px,calc(env(safe-area-inset-top) + 102px));right:12px;width:calc(100vw - 24px)}.exploded-notes{max-height:min(70vh,680px)}.joint-note-grid,.groove-note-grid{grid-template-columns:minmax(0,1fr)}.joint-note-card{grid-template-rows:120px auto;min-height:220px}.groove-note-card{grid-template-rows:210px auto;min-height:320px}.joint-sketch{height:120px}.groove-art{height:210px}.view-button{flex:1;min-width:0;padding-inline:8px}.slider-panel{width:calc(100vw - 24px);padding-inline:13px}}