:root{--bg: #05060f;--panel: #11132a;--ink: #e8ecff;--accent: #ffb000;--accent2: #ff4f9a;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Segoe UI,system-ui,sans-serif;height:100%}#app{display:flex;flex-direction:column;align-items:center;gap:12px;padding:14px;min-height:100%}h1{font-size:28px;letter-spacing:4px;margin:4px 0 0;color:var(--accent);text-shadow:2px 2px 0 var(--accent2)}.hud{display:flex;gap:18px;flex-wrap:wrap;justify-content:center;font-variant-numeric:tabular-nums;background:var(--panel);padding:8px 16px;border-radius:10px;font-size:15px}.hud b{color:var(--accent)}canvas{background:radial-gradient(ellipse at 50% 20%,#1a1430,#05060f 70%);border-radius:12px;border:1px solid #272a4a;touch-action:none;max-width:100%}.controls{display:flex;flex-direction:column;align-items:center;gap:8px}.diag{display:grid;grid-template-columns:repeat(2,64px);gap:8px}.diag button{height:48px;font-size:13px;border-radius:8px;border:1px solid #3a3f6a;background:#1b1e3c;color:var(--ink);cursor:pointer}.diag button:active{background:var(--accent);color:#000}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:center}select,.row button{background:#1b1e3c;color:var(--ink);border:1px solid #3a3f6a;border-radius:8px;padding:7px 12px;font-size:14px;cursor:pointer}.hint{font-size:12px;opacity:.7;max-width:520px;text-align:center;line-height:1.5}.overlay{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:#05060fdb;text-align:center;z-index:10}.overlay h2{font-size:32px;margin:0;color:var(--accent)}.overlay button{font-size:18px;padding:12px 28px;background:var(--accent);color:#000;border:none;border-radius:10px;cursor:pointer}.hidden{display:none!important}