:root{color-scheme:light;--bg:#edf2f4;--panel:#fff;--line:#d5e0e5;--text:#203746;--muted:#607683;--accent:#126d7d;--soft:#e6f1f3;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:13px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select{font:inherit}button,a{touch-action:manipulation}button,select,nav a,.step{border:1px solid var(--line);border-radius:6px;padding:7px 10px;background:var(--panel);color:var(--text);cursor:pointer;text-decoration:none}button:hover,nav a:hover,.step:hover{background:var(--soft)}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}header{display:flex;align-items:center;justify-content:space-between;padding:15px 20px;background:var(--panel);border-bottom:1px solid var(--line);gap:15px}h1{font-size:21px;line-height:1.2;margin:0}header p{margin:5px 0 0;color:var(--muted)}nav{display:flex;gap:7px;flex-wrap:wrap}.scope{padding:9px 20px;background:var(--soft);font-size:12px;line-height:1.7}.scope span{display:inline-block;font-size:10px;letter-spacing:.08em;font-weight:700;margin-right:14px;color:var(--accent)}main{display:grid;grid-template-columns:225px minmax(320px,1fr) 265px;min-height:calc(100vh - 163px)}aside{background:var(--panel);padding:14px;min-width:0}.parts{border-right:1px solid var(--line)}.details{border-left:1px solid var(--line)}h2{font-size:13px;margin:0 0 11px}.row{display:flex;align-items:center;justify-content:space-between;gap:8px}.row button{font-size:10px;padding:5px}.row h2{margin:0}.search input{width:100%;margin:12px 0;padding:8px 9px;border:1px solid var(--line);border-radius:6px;color:var(--text);background:var(--panel)}#tree{max-height:calc(100vh - 255px);overflow:auto;padding-right:3px}details{border-bottom:1px solid var(--line);padding:8px 0}summary{cursor:pointer;display:flex;align-items:center;gap:7px;font-size:12px;font-weight:650}summary::before{content:'▸';width:8px;color:var(--muted)}details[open] summary::before{content:'▾'}summary input{margin:0;accent-color:var(--accent)}summary button{margin-left:auto;padding:2px 4px;border:0;font-size:10px;color:var(--muted)}.part{border:0;background:none;border-radius:4px;width:100%;text-align:left;margin-top:4px;padding:6px 8px 6px 21px;line-height:1.35;font-size:11px}.part.selected{background:var(--soft);color:var(--accent);font-weight:650}.visual{min-width:0;display:flex;flex-direction:column;background:var(--bg)}.toolbar{display:flex;gap:5px;padding:10px;align-items:center;flex-wrap:wrap;background:var(--panel);border-bottom:1px solid var(--line)}.toolbar button{font-size:11px;padding:6px 8px}.toolbar label{font-size:11px;margin-left:auto;color:var(--muted)}#canvas{height:calc(100vh - 343px);min-height:440px;position:relative;overflow:hidden}#canvas canvas{display:block;width:100%;height:100%;touch-action:none}#caption,#camera-title,#loading{position:absolute;pointer-events:none}#caption{bottom:10px;left:13px;right:13px;font-size:10px;color:var(--muted)}#camera-title{top:13px;left:13px;padding:6px 9px;border-radius:5px;background:#ffffffdc;font-size:11px}#loading{inset:0;display:grid;place-items:center;background:var(--bg);z-index:3}.stations{display:flex;flex-wrap:wrap;gap:5px;padding:9px 10px;background:var(--panel);border-top:1px solid var(--line)}.stations button{font-size:10px;padding:5px 7px}.playback{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:10px;background:var(--panel)}.playback button,.playback select{font-size:11px}.playback output{margin-left:auto;font-variant-numeric:tabular-nums;color:var(--muted)}#scrub{width:100%;accent-color:var(--accent)}.phase{padding:0 10px 11px;font-size:11px;color:var(--muted);background:var(--panel);line-height:1.5}.details section{padding-bottom:15px;margin-bottom:15px;border-bottom:1px solid var(--line)}.details section:last-child{border:0;margin:0}.muted{font-size:11px;line-height:1.55;color:var(--muted);margin:7px 0}.range{display:block;font-size:11px;margin:12px 0}.range output{float:right;color:var(--accent);font-variant-numeric:tabular-nums}.range input{display:block;width:100%;margin-top:8px;accent-color:var(--accent)}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:15px 0}.metrics span{display:block;font-size:10px;color:var(--muted);line-height:1.3;margin-bottom:4px}.metrics strong{font-size:17px;font-variant-numeric:tabular-nums}.details ol{padding-left:19px;font-size:11px;line-height:1.85}.selected-title{font-size:13px;font-weight:700;margin:0 0 8px}.badge{display:inline-block;padding:4px 6px;border-radius:4px;background:var(--soft);font-size:10px;line-height:1.4}.dimensions{font-size:11px;margin:10px 0;font-variant-numeric:tabular-nums}.step{display:inline-block;font-size:11px;margin-top:5px}footer{font-size:11px;color:var(--muted);padding:12px 20px;border-top:1px solid var(--line);background:var(--panel);line-height:1.5}dialog{max-width:560px;width:calc(100vw - 32px);border:1px solid var(--line);padding:25px;border-radius:12px;color:var(--text);background:var(--panel);box-shadow:0 20px 100px #20374633}dialog::backdrop{background:#20374666}dialog p{font-size:13px;line-height:1.6}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.error{padding:25px;color:#8d332a;line-height:1.5}
@media(min-width:1700px){main{grid-template-columns:260px minmax(600px,1fr) 300px}}
@media(max-width:1150px){main{grid-template-columns:190px minmax(300px,1fr) 240px}aside{padding:11px}.toolbar label{margin-left:0}#canvas{min-height:420px}}
@media(max-width:900px){main{grid-template-columns:minmax(0,1fr) 245px}.parts{grid-column:1/-1;grid-row:2;border-top:1px solid var(--line);border-right:0}#tree{max-height:260px;display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.visual{grid-row:1}.details{grid-row:1}header{padding:12px}header h1{font-size:18px}nav a,nav button{font-size:11px}#canvas{height:490px}.scope{padding:8px 12px}}
@media(max-width:650px){main{display:flex;flex-direction:column}.visual{order:0}.details{order:1;border-left:0;border-top:1px solid var(--line)}.parts{order:2}header{align-items:flex-start;flex-wrap:wrap}header p{font-size:11px}#canvas{min-height:380px;height:440px}.toolbar{padding:8px;gap:4px}.toolbar label{font-size:10px}.details{display:block}.metrics{max-width:380px}.details section{margin-bottom:10px}.scope{font-size:11px}.scope span{margin-right:5px}.stations{gap:4px}#tree{display:block}.playback{gap:5px}.playback button{padding:7px}.playback output{font-size:10px}footer{padding:10px 12px}}