:root {
  color-scheme: dark;
  --bg: #050505;
  --panel: #101010;
  --panel-2: #171717;
  --text: #f4f4f4;
  --muted: #a5a5a5;
  --line: #2a2a2a;
  --accent: #ff1515;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: radial-gradient(circle at top, #1b1b1b, var(--bg) 55%);
  color: var(--text);
}
.shell { width: min(1500px, calc(100vw - 28px)); margin: 0 auto; padding: 28px 0; }
.hero { margin-bottom: 22px; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .14em; font-size: 12px; }
h1 { font-family: 'UnifrakturCook', serif; font-size: clamp(46px, 8vw, 100px); line-height: .85; margin: 0; }
.hero p:last-child { color: var(--muted); max-width: 760px; }
.app { display: grid; grid-template-columns: 390px 1fr; gap: 18px; align-items: start; }
.panel { background: color-mix(in srgb, var(--panel), transparent 8%); border: 1px solid var(--line); border-radius: 18px; padding: 16px; box-shadow: 0 20px 80px #0009; }
label { display: grid; gap: 7px; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
textarea, select, input[type="range"], button { width: 100%; }
textarea, select { background: var(--panel-2); color: var(--text); border: 1px solid var(--line); border-radius: 10px; padding: 10px; font: inherit; }
input[type="color"] { width: 100%; height: 38px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel-2); padding: 3px; }
input[type="range"] { accent-color: var(--accent); }
.grid { display: grid; gap: 12px; margin-top: 12px; }
.two { grid-template-columns: 1fr 1fr; }
.checkgrid label { display: flex; align-items: center; gap: 8px; text-transform: none; letter-spacing: 0; font-size: 13px; }
.buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
button { cursor: pointer; color: white; background: #1f1f1f; border: 1px solid #333; border-radius: 12px; padding: 11px 10px; font: inherit; }
button:hover { border-color: var(--accent); color: var(--accent); }
.hint { color: var(--muted); font-size: 12px; line-height: 1.4; }
.stage-wrap { position: sticky; top: 16px; border: 1px solid var(--line); border-radius: 18px; background: #000; overflow: hidden; box-shadow: 0 20px 80px #000b; }
canvas { display: block; width: 100%; height: auto; image-rendering: auto; }
@media (max-width: 980px) { .app { grid-template-columns: 1fr; } .stage-wrap { position: static; } }