:root{color-scheme:dark;--bg:#070912;--panel:#11152a;--panel2:#171d36;--text:#f7f7ff;--muted:#c2c7db;--line:#343b61;--cyan:#43d9ff;--purple:#a98aff;--magenta:#ec4bd8;--good:#88e4c2;font:16px/1.55 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 50% -15%,#25205d 0,transparent 34rem),var(--bg);color:var(--text)}a{color:var(--cyan);text-underline-offset:.2em}a:hover{color:#c1f3ff}.skip-link{position:absolute;left:-9999px;top:1rem;background:#fff;color:#111;padding:.7rem 1rem;z-index:10}.skip-link:focus{left:1rem}.topbar,footer{max-width:1200px;margin:auto;padding:1.1rem clamp(1rem,4vw,3rem);display:flex;justify-content:space-between;align-items:center;gap:1rem}.topbar{border-bottom:1px solid #252b48}.topbar nav,footer span:last-child{display:flex;gap:1rem;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:.65rem;color:var(--text);font-weight:800;text-decoration:none}.brand-mark{display:grid;place-items:center;width:2.4rem;height:2.4rem;border:1px solid var(--cyan);border-radius:.8rem;color:var(--cyan);font-size:.8rem}.shell{max-width:1200px;margin:auto;padding:2.8rem clamp(1rem,4vw,3rem) 3rem}.hero{max-width:850px;margin:0 auto 2rem;text-align:center}.eyebrow{margin:0 0 .45rem;color:var(--cyan);font-size:.75rem;font-weight:800;letter-spacing:.17em}.hero h1{margin:.4rem 0 1rem;font-size:clamp(2rem,6vw,4.2rem);line-height:1.05;letter-spacing:-.045em}.hero h1 span{background:linear-gradient(100deg,var(--cyan),var(--purple),var(--magenta));color:transparent;background-clip:text}.lede{color:var(--muted);font-size:1.12rem;max-width:780px;margin:.8rem auto}.privacy-note{max-width:1000px;margin:0 auto 1.5rem;padding:1rem 1.2rem;border:1px solid #3c4380;border-left:4px solid var(--cyan);border-radius:.9rem;background:#12182b}.privacy-note p{margin:.3rem 0 0;color:var(--muted)}.workspace{display:grid;grid-template-columns:minmax(320px,.95fr) minmax(0,1.05fr);gap:1rem;align-items:start}.panel{min-width:0;padding:1.35rem;border:1px solid var(--line);border-radius:1.1rem;background:linear-gradient(145deg,rgba(22,28,53,.97),rgba(12,16,32,.97));box-shadow:0 18px 55px #0004}.section-heading{margin-bottom:1rem}.section-heading h2,.notes h2{margin:.1rem 0;font-size:1.45rem}.controls form{display:grid;gap:.6rem}.controls label{display:grid;gap:.35rem;font-weight:700}.field-help{margin:.15rem 0 .4rem;color:var(--muted);font-size:.86rem;font-weight:400}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}input,select{width:100%;min-height:2.8rem;padding:.65rem .75rem;border:1px solid #586087;border-radius:.65rem;background:#080c1a;color:var(--text);font:inherit}input[type=range]{accent-color:var(--cyan);padding:0}input:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible,summary:focus-visible,pre:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}.seed-row{display:flex;gap:.55rem}.seed-row input{min-width:0}.button{display:inline-flex;justify-content:center;align-items:center;min-height:2.75rem;padding:.65rem .9rem;border:1px solid #59618c;border-radius:.7rem;background:#202746;color:var(--text);font:inherit;font-weight:750;text-decoration:none;cursor:pointer}.button:hover:not(:disabled){border-color:var(--cyan);background:#29335d}.button:disabled{opacity:.5;cursor:not-allowed}.button.primary{border-color:#7d74e0;background:linear-gradient(110deg,#283767,#5b358f)}.summary{display:grid;grid-template-columns:repeat(3,1fr);gap:.6rem;margin:1rem 0 .6rem}.summary div{padding:.7rem;border:1px solid #394064;border-radius:.7rem;background:#0c1122}.summary span,.summary strong{display:block}.summary span{min-height:2.5em;color:var(--muted);font-size:.78rem}.summary strong{color:var(--cyan);font-size:1.3rem}.formula{padding:.7rem .8rem;border-radius:.65rem;background:#0b1123;color:var(--muted);font-size:.86rem}.actions{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:.8rem}.status{min-height:1.4em;color:var(--good);font-size:.9rem}.log-preview{max-height:32rem;overflow:auto;padding:1rem;border:1px solid #394064;border-radius:.75rem;background:#070b16;color:#d6e7ff;font:12px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere}.answer-key{margin-top:1rem;border-top:1px solid var(--line);padding-top:.7rem}.answer-key summary{cursor:pointer;font-weight:750;color:var(--magenta)}.notes{margin:1rem 0;padding:1.2rem 1.35rem;border:1px solid var(--line);border-radius:1rem;background:#10152a}.notes ul{padding-left:1.25rem;color:var(--muted)}.notes li+li{margin-top:.55rem}footer{border-top:1px solid #252b48;color:var(--muted);font-size:.88rem}.cookie-banner{position:static;display:flex;align-items:center;gap:1.1rem;width:min(780px,calc(100% - 2rem));margin:1rem auto;padding:.85rem 1rem .85rem 1.1rem;color:#15213f;background:#fff;border:1px solid rgba(36,47,91,.2);border-radius:16px;box-shadow:0 18px 55px rgba(2,8,30,.34)}.cookie-banner-copy{min-width:0}.cookie-banner-eyebrow{margin:0 0 .18rem;color:#5140a3;font-size:.64rem;font-weight:850;letter-spacing:.16em;text-transform:uppercase}.cookie-banner-text{margin:0;color:#3f4b68;font-size:.8rem;line-height:1.4}.cookie-banner-text strong{color:#18264a}.cookie-banner-text a{color:#46378d;font-weight:750}.cookie-banner-accept{flex:0 0 auto;border:0;border-radius:999px;padding:.65rem 1rem;color:#fff;background:linear-gradient(120deg,#202b63,#633aa1);font:inherit;font-weight:800;white-space:nowrap;cursor:pointer;box-shadow:0 8px 18px rgba(49,38,115,.22)}.cookie-banner-accept:hover{background:linear-gradient(120deg,#182252,#512887)}.cookie-banner-accept:focus-visible{outline:3px solid #5a4bff;outline-offset:3px}@media(max-width:780px){.workspace{grid-template-columns:1fr}.topbar{align-items:flex-start}.topbar nav{justify-content:flex-end;font-size:.9rem}.shell{padding-top:2rem}}@media(max-width:480px){.topbar,footer{align-items:flex-start;flex-direction:column}.topbar nav{justify-content:flex-start;gap:.7rem}.field-grid{grid-template-columns:1fr}.summary{grid-template-columns:1fr 1fr}.summary div:last-child{grid-column:1/-1}.actions>*{flex:1 1 100%}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}@media(max-width:560px){.cookie-banner{align-items:flex-start;flex-direction:column;gap:.75rem;width:calc(100% - 1.5rem);padding:1rem}.cookie-banner-accept{width:100%}}
@media print {
  :root { color-scheme: light; }
  body { background: #fff !important; color: #111 !important; }
  .skip-link, .topbar, footer, .controls, .actions, .status, .cookie-banner, .answer-key { display: none !important; }
  .shell { max-width: none; padding: 0; }
  .hero { max-width: none; margin: 0 0 1rem; text-align: left; }
  .hero h1 span { background: none; color: #111; }
  .eyebrow { color: #111 !important; }
  .workspace { display: block; }
  .panel, .privacy-note, .notes { margin: 0 0 .75rem; border: 1px solid #777; border-radius: 0; background: #fff !important; color: #111 !important; box-shadow: none; }
  .privacy-note p, .lede, .field-help, .notes ul { color: #111 !important; }
  .log-preview { max-height: none; overflow: visible; border: 1px solid #777; border-radius: 0; background: #fff !important; color: #111 !important; font-size: 8pt; line-height: 1.35; white-space: pre-wrap; overflow-wrap: anywhere; }
  a { color: #111 !important; text-decoration: underline; }
}