:root{color-scheme:dark;--bg:#0a101c;--panel:#121e2c;--border:#2a3a4b;--text:#edf4f8;--muted:#9bb0be;--accent:#65dece}
*{box-sizing:border-box}
html{min-height:100%;background:var(--bg)}
body{min-height:100vh;margin:0;color:var(--text);font:15px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif;background:radial-gradient(ellipse at 34% -15%,#1c3042 0,transparent 48%),var(--bg)}
button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #9cf9e9;outline-offset:3px}
.shell{width:min(1500px,100%);margin:auto;padding:clamp(16px,3vw,36px)}
.header{display:flex;align-items:center;gap:13px;margin-bottom:22px}.mark{display:grid;place-items:center;flex:none;width:46px;height:46px;border:1px solid #39727b;border-radius:13px;background:#14313b;color:var(--accent);font-size:28px}.heading{min-width:0}.eyebrow,.kicker{margin:0;color:var(--accent);font-size:10px;font-weight:750;letter-spacing:.17em;text-transform:uppercase}h1{margin:2px 0 0;font-size:clamp(24px,3vw,36px);line-height:1.1;letter-spacing:-.045em}
.status{display:flex;align-items:center;gap:8px;margin-left:auto;padding:7px 11px;border:1px solid #31535a;border-radius:99px;color:#bfece6;background:#14313b;font-size:12px;white-space:nowrap}.status i,.legend-title i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}.status.paused i{background:#8799a6;box-shadow:none}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px;align-items:start}.panel{min-width:0;overflow:hidden;border:1px solid var(--border);border-radius:18px;background:linear-gradient(145deg,#142131,#101a28);box-shadow:0 18px 45px #0003}.viewer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px}h2{margin:3px 0 0;font-size:18px;line-height:1.25;letter-spacing:-.025em}.viewer-note{color:var(--muted);font-size:12px;white-space:nowrap}
.canvas-wrap{height:clamp(430px,68vh,760px);background:radial-gradient(circle at 50% 50%,#102236 0%,#0b1726 48%,#08111d 100%)}canvas{display:block;width:100%;height:100%}.viewer-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:14px 20px;color:var(--muted);font-size:12px}.legend-title{display:flex;align-items:center;gap:8px}.live-legend{display:flex;gap:16px;flex-wrap:wrap}.live-legend strong{margin-left:4px;color:#e1f8f5;font-variant-numeric:tabular-nums}
.controls{padding:21px}.controls h2{margin-bottom:26px}.field{margin:0 0 25px}.field label{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:12px;color:#d6e3ea;font-size:13px;font-weight:600}output{color:var(--accent);font-variant-numeric:tabular-nums;text-align:right}.hint,.range-ends{margin:4px 0 0;color:#859eab;font-size:11px}.range-ends{display:flex;justify-content:space-between}
input[type=range]{display:block;width:100%;height:20px;margin:0;appearance:none;background:transparent;cursor:pointer}input[type=range]::-webkit-slider-runnable-track{height:5px;border-radius:99px;background:linear-gradient(to right,var(--accent) var(--fill),#304354 var(--fill))}input[type=range]::-moz-range-track{height:5px;border-radius:99px;background:#304354}input[type=range]::-moz-range-progress{height:5px;border-radius:99px;background:var(--accent)}input[type=range]::-webkit-slider-thumb{width:18px;height:18px;margin-top:-6.5px;appearance:none;border:3px solid #92f0e2;border-radius:50%;background:#16343e;box-shadow:0 0 0 2px #16343e}input[type=range]::-moz-range-thumb{width:12px;height:12px;border:3px solid #92f0e2;border-radius:50%;background:#16343e}
select{display:block;width:100%;min-height:43px;padding:9px 36px 9px 12px;border:1px solid #385061;border-radius:10px;appearance:none;background:#1b2d3c url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='m1 1 5 5 5-5' fill='none' stroke='%23b5cbd5' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 13px center;color:#edf4f8;cursor:pointer}select:hover{border-color:#5b8190}.palette-field{margin-bottom:18px}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;padding-top:21px;border-top:1px solid var(--border)}.actions button{min-height:43px;padding:8px 10px;border-radius:10px;font-size:12px;font-weight:700}.primary{border:1px solid #72e4d4;background:#65dece;color:#102b32}.primary:hover{background:#8cf0e2}.secondary{border:1px solid #385061;background:#1b2d3c;color:#dfecf0}.secondary:hover{background:#263d4f}.random{grid-column:1/-1}.control-note{margin:18px 0 0;color:#859eab;font-size:12px;line-height:1.55}
@media(max-width:850px){.layout{grid-template-columns:1fr}.controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:22px}.controls>.kicker,.controls>h2,.actions,.control-note{grid-column:1/-1}.controls h2{margin-bottom:19px}.field{margin-bottom:14px}.palette-field{grid-column:1/-1}.actions{margin-top:5px}}
@media(max-width:620px){.shell{padding:12px}.header{margin:5px 2px 15px}.mark{width:40px;height:40px;font-size:24px}.status{padding:7px}.status span{display:none}.viewer-head{padding:14px 15px}.viewer-note{display:none}.canvas-wrap{height:clamp(350px,64vh,570px)}.viewer-footer{padding:14px 15px}.live-legend{gap:9px}.controls{display:block;padding:18px}.controls h2{margin-bottom:22px}.field{margin-bottom:23px}.actions{margin-top:5px}}