*{box-sizing:border-box}html,body{margin:0;height:100%;font-family:Inter,Segoe UI,Helvetica,Arial,sans-serif;background:#111;color:#ddd}
#app{display:flex;height:100%}
#panel{width:300px;min-width:300px;overflow-y:auto;padding:14px 16px;background:#16191e;border-right:1px solid #2a2f37}
h1{font-size:18px;margin:0;color:#fff}.sub{font-size:12px;color:#8a93a0;margin-bottom:8px}
h2{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#7fa7d8;margin:14px 0 6px}
#presets{display:grid;grid-template-columns:1fr 1fr;gap:5px}
button{background:#232832;color:#dde;border:1px solid #343b47;border-radius:6px;padding:6px 6px;font-size:12px;cursor:pointer}
button:hover{background:#2d3441}button.on{background:#2f5d95;border-color:#4b7fc0;color:#fff}
.wide{width:100%;margin-bottom:6px;padding:8px}
label{display:block;font-size:12px;margin:6px 0}label span{float:right;color:#fff;font-weight:600}
input[type=range]{width:100%}.chk{display:flex;gap:6px;align-items:center}
.seg{display:flex;gap:4px}.seg button{flex:1}
.layer{display:grid;grid-template-columns:16px 14px 1fr 70px;gap:6px;align-items:center;font-size:12px;margin:3px 0}
.sw{width:12px;height:12px;border-radius:3px}.layer input[type=range]{width:70px}
.foot{font-size:10.5px;color:#6c7480;margin-top:16px;line-height:1.4}
#stage{flex:1;position:relative;overflow:hidden}#c{width:100%;height:100%;display:block}
#cap{position:absolute;left:18px;top:14px;pointer-events:none;max-width:46%}
#capTitle{font-size:26px;font-weight:700}#capAngle{font-size:15px;opacity:.85;margin-top:2px}#capNote{font-size:14px;margin-top:8px;line-height:1.35;opacity:.9}
#insetC{position:absolute;right:14px;bottom:14px;width:220px;height:220px;pointer-events:none}
#lbls{position:absolute;inset:0;pointer-events:none}
.lbl{position:absolute;transform:translate(-50%,-50%);font-size:14px;font-weight:700;padding:1px 6px;border-radius:4px;white-space:nowrap}
body.angio .lbl{background:rgba(255,255,255,.75);color:#111}body.color .lbl{background:rgba(0,0,0,.55);color:#fff}
body.angio #cap{color:#111}body.color #cap{color:#fff}