:root{--bg:#0f1218;--bg-raised:#161b24;--bg-panel:#131822;--border:#232b3a;--text:#d7dde8;--text-dim:#8a94a6;--accent:#5ed282;--red:#f54;--amber:#fa2;--cyan:#37d0e6;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);margin:0;overflow:hidden}body{flex-direction:column;display:flex}#topbar{background:var(--bg-raised);border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:18px;padding:10px 16px;display:flex}#brand{letter-spacing:.3px;margin:0;font-size:17px;font-weight:700}#brand span{color:var(--accent)}.control{color:var(--text-dim);white-space:nowrap;align-items:center;gap:8px;font-size:12.5px;display:flex}.control .value{color:var(--text);font-variant-numeric:tabular-nums;text-align:right;min-width:2.2em}select,button{background:var(--bg-panel);color:var(--text);border:1px solid var(--border);cursor:pointer;border-radius:7px;padding:6px 12px;font-size:13px}button:hover{border-color:var(--accent)}button.ghost{background:0 0}#file-btn{background:var(--accent);border-color:var(--accent);color:#0b1410;font-weight:600}input[type=range]{accent-color:var(--accent);width:110px}.spacer{flex:1}#stage{flex:1;min-height:0;display:flex}#viewport{flex:1;min-width:0;position:relative}#viewport canvas{display:block}#panel{background:var(--bg-panel);border-left:1px solid var(--border);width:320px;padding:18px;overflow-y:auto}#empty-state h2{margin:6px 0 12px;font-size:21px;line-height:1.25}#empty-state p{color:var(--text-dim);font-size:13.5px;line-height:1.55}#empty-state b{color:var(--text)}.quiet{font-size:12px!important}#results h2{text-transform:uppercase;letter-spacing:1.2px;color:var(--text-dim);margin:22px 0 10px;font-size:11px}.chip{border:1px solid var(--border);background:var(--bg-raised);border-radius:8px;align-items:flex-start;gap:10px;margin-bottom:8px;padding:9px 11px;font-size:13px;line-height:1.45;display:flex}.chip .icon{font-size:13px;font-weight:800;line-height:1.45}.chip.pass .icon{color:var(--accent)}.chip.warn{border-color:#6b5a26}.chip.warn .icon{color:var(--amber)}.chip.fail{border-color:#7a3a33}.chip.fail .icon{color:var(--red)}.chip .fix{color:var(--text-dim);margin-top:2px;font-size:12px;display:block}.orient-btn{text-align:left;justify-content:space-between;align-items:center;gap:8px;width:100%;margin-bottom:7px;display:flex}.orient-btn .delta{font-variant-numeric:tabular-nums;font-size:12px}.orient-btn .delta.better{color:var(--accent)}.orient-btn .delta.worse{color:var(--text-dim)}.orient-btn[disabled]{opacity:.55;cursor:default}#stats{grid-template-columns:auto 1fr;gap:5px 14px;margin:0;font-size:13px;display:grid}#stats dt{color:var(--text-dim)}#stats dd{text-align:right;font-variant-numeric:tabular-nums;margin:0}.legend{color:var(--text-dim);flex-wrap:wrap;gap:14px;font-size:12px;display:flex}.swatch{border-radius:3px;width:10px;height:10px;margin-right:5px;display:inline-block}.swatch.overhang{background:var(--red)}.swatch.thin{background:var(--amber)}.swatch.hole{background:var(--cyan)}#drop-overlay[hidden],#results[hidden],#empty-state[hidden]{display:none}#drop-overlay{z-index:30;border:3px dashed var(--accent);pointer-events:none;background:#0f1218d1;border-radius:14px;justify-content:center;align-items:center;margin:10px;display:flex;position:fixed;inset:0}#drop-overlay div{color:var(--accent);font-size:26px;font-weight:700}footer{color:var(--text-dim);background:var(--bg-raised);border-top:1px solid var(--border);align-items:center;gap:10px;padding:7px 16px;font-size:12px;display:flex}footer a{color:var(--text-dim)}.dot{background:var(--text-dim);border-radius:50%;width:3px;height:3px}#toast{background:var(--bg-raised);border:1px solid var(--red);color:var(--text);z-index:40;border-radius:9px;padding:9px 16px;font-size:13px;position:fixed;bottom:46px;left:50%;transform:translate(-50%)}@media (width<=760px){#stage{flex-direction:column}#panel{border-left:none;border-top:1px solid var(--border);width:100%;max-height:45%}}