:root{--bg:#05070f;--bg-elevated:#0b0f1c;--border:#1e2436;--text:#c7ccdb;--text-h:#f4f6fb;--text-dim:#7d84a0;--cyan:#5ee7ff;--cyan-glow:#5ee7ff59;--gold:#f0b955;--gold-glow:#f0b95559;--red:#ff5d7a;--mono:"SF Mono", ui-monospace, "Cascadia Code", Consolas, monospace;--sans:-apple-system, "Segoe UI", Roboto, sans-serif;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:var(--text);background:var(--bg);font:17px/1.55 var(--sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{background:radial-gradient(ellipse 70% 50% at 50% -10%, #5ee7ff14, transparent), radial-gradient(ellipse 60% 40% at 90% 80%, #f0b9550d, transparent), url(/bg-pattern.svg) center / cover no-repeat fixed, var(--bg);min-height:100svh;margin:0}h1,h2,h3{color:var(--text-h);margin:0;font-weight:600}p{margin:0}button{font:inherit}.shell{max-width:880px;margin:0 auto;padding:0 24px 64px}.shell__header{z-index:10;-webkit-backdrop-filter:blur(10px);background:linear-gradient(#05070f73 60%,#0000);justify-content:space-between;align-items:center;margin:0 calc(50% - 50vw);padding:20px calc(50vw - 50%);display:flex;position:sticky;top:0}.shell__brand{font-family:var(--mono);letter-spacing:.04em;color:var(--text-h);font-size:18px}.shell__nav{gap:20px;display:flex}.shell__nav a{color:var(--text-dim);font-size:14px;font-family:var(--mono);text-decoration:none;transition:color .2s}.shell__nav a:hover{color:var(--cyan)}.shell__main{flex-direction:column;gap:96px;padding-top:32px;display:flex}.shell__footer{border-top:1px solid var(--border);color:var(--text-dim);font-size:13px;font-family:var(--mono);text-align:center;margin-top:96px;padding-top:24px}.shell__footer p{margin:0 0 8px}.shell__repo-link{color:var(--text-dim);text-decoration:none;transition:color .2s}.shell__repo-link:hover{color:var(--cyan)}.act{text-align:center;flex-direction:column;align-items:center;gap:28px;scroll-margin-top:90px;display:flex}.act__intro{flex-direction:column;gap:10px;max-width:560px;display:flex}.act__eyebrow{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);font-size:13px}.act h2{letter-spacing:-.01em;font-size:34px}.act__lead{color:var(--text);font-size:18px}.act__stage{flex-direction:column;align-items:center;gap:20px;display:flex}.act__controls{align-items:center;gap:14px;min-height:44px;display:flex}.act__stats{flex-direction:column;align-items:center;gap:16px;width:100%;max-width:420px;display:flex}.act__explainer{max-width:520px;color:var(--text-dim);font-size:15px;line-height:1.6}.act__hint{color:var(--text-dim);font-size:14px;font-family:var(--mono)}.btn{border:1px solid var(--border);cursor:pointer;background:var(--bg-elevated);color:var(--text-h);border-radius:999px;padding:12px 26px;font-size:15px;font-weight:600;transition:transform .15s,box-shadow .15s,background .15s}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn:disabled{opacity:.5;cursor:default;transform:none}.btn--primary{background:var(--cyan);color:#04121a;box-shadow:0 0 24px var(--cyan-glow);border-color:#0000}.btn--secondary{border-color:var(--border);color:var(--text);font-size:13px;font-family:var(--mono);background:0 0;padding:8px 18px}.btn--ghost{color:var(--cyan);background:0 0;border-color:#0000;padding:8px 4px;text-decoration:underline}.coin{border:2px solid var(--cyan);background:radial-gradient(circle at 35% 30%, #5ee7ff40, var(--bg-elevated));cursor:pointer;width:140px;height:140px;box-shadow:0 0 40px var(--cyan-glow);border-radius:50%;justify-content:center;align-items:center;padding:0;transition:transform .2s;display:flex}.coin__face{font-family:var(--mono);color:var(--text-h);font-size:44px;font-weight:700}.coin__face--spin{color:var(--cyan);animation:1.1s linear infinite spin-face}@keyframes spin-face{0%{opacity:1;transform:rotateY(0)}50%{opacity:.4}to{opacity:1;transform:rotateY(360deg)}}.coin--collapsing{animation:.26s ease-out coin-collapse}@keyframes coin-collapse{0%{transform:scale(1)}50%{transform:scale(.85)rotateY(180deg)}to{transform:scale(1)}}.coin--collapsed{border-color:var(--gold);box-shadow:0 0 40px var(--gold-glow);background:radial-gradient(circle at 35% 30%, #f0b95540, var(--bg-elevated))}.coin__result{font-family:var(--mono);color:var(--gold);align-items:center;gap:14px;font-size:16px;display:flex}.pair-stage{justify-content:center;align-items:center;gap:clamp(48px,16vw,180px);width:100%;display:flex}.pair-stage__coin-wrap{flex-direction:column;align-items:center;gap:12px;display:flex}.pair-stage__label{font-family:var(--mono);color:var(--text-dim);letter-spacing:.08em;text-transform:uppercase;font-size:12px}.coin--pair.coin--superposition .coin__face{color:var(--cyan);animation:1.1s linear infinite spin-face}.pair-stage__link{background:repeating-linear-gradient(90deg, var(--border) 0 6px, transparent 6px 12px);flex:1;max-width:140px;height:2px;position:relative}.pair-stage__link--flashing,.pair-stage__link--measured{background:var(--cyan);box-shadow:0 0 16px var(--cyan-glow)}.pair-stage__link--flashing{animation:.22s ease-out link-flash}@keyframes link-flash{0%{opacity:.3}50%{opacity:1;box-shadow:0 0 30px var(--cyan-glow)}to{opacity:1}}.bars{flex-direction:column;gap:10px;width:100%;display:flex}.bars__row{grid-template-columns:60px 1fr 44px;align-items:center;gap:10px;display:grid}.bars__label{font-family:var(--mono);color:var(--text-dim);text-align:right;font-size:12px}.bars__track{background:var(--bg-elevated);border:1px solid var(--border);border-radius:6px;height:10px;overflow:hidden}.bars__fill{background:var(--cyan);height:100%;box-shadow:0 0 12px var(--cyan-glow);transition:width .4s ease-out}.bars__fill--muted{background:var(--text-dim);box-shadow:none}.bars__value{font-family:var(--mono);color:var(--text);font-size:12px}.s-gauge{flex-direction:column;gap:24px;width:100%;max-width:560px;display:flex}.s-gauge__track{background:var(--bg-elevated);border:1px solid var(--border);border-radius:6px;height:8px;margin:40px 0 20px;position:relative}.s-gauge__classical-zone{background:#7d84a040;border-radius:6px 0 0 6px;position:absolute;inset:0 auto 0 0}.s-gauge__limit-line{background:var(--red);width:2px;position:absolute;top:-6px;bottom:-6px;transform:translate(-1px)}.s-gauge__limit-label{white-space:nowrap;font-family:var(--mono);color:var(--red);font-size:11px;position:absolute;top:-28px;left:50%;transform:translate(-50%)}.s-gauge__needle{width:2px;height:36px;position:absolute;top:-14px;transform:translate(-1px)}.s-gauge__needle--simulator{background:var(--cyan);box-shadow:0 0 14px var(--cyan-glow);transition:left .8s cubic-bezier(.22,1,.36,1)}.s-gauge__needle--hardware{background:var(--gold);box-shadow:0 0 14px var(--gold-glow)}.s-gauge__needle-value{white-space:nowrap;font-family:var(--mono);color:var(--text-h);font-size:12px;position:absolute;top:-30px;left:50%;transform:translate(-50%)}.s-gauge__needle--hardware .s-gauge__needle-value{top:40px}.s-gauge__legend{flex-direction:column;gap:8px;display:flex}.s-gauge__legend-item{color:var(--text-dim);font-size:13px;font-family:var(--mono);white-space:nowrap;align-items:baseline;gap:8px;display:flex}.s-gauge__legend-dot{border-radius:50%;width:8px;height:8px;display:inline-block}.s-gauge__legend-item--simulator .s-gauge__legend-dot{background:var(--cyan);box-shadow:0 0 8px var(--cyan-glow)}.s-gauge__legend-item--hardware .s-gauge__legend-dot{background:var(--gold);box-shadow:0 0 8px var(--gold-glow)}.s-gauge__legend-detail{color:var(--text-dim);opacity:.7}.act__proof-line{max-width:900px;font-family:var(--mono);color:var(--gold);opacity:.85;justify-content:center;align-items:baseline;gap:8px;font-size:12px;line-height:1.6;display:flex}.act__proof-dot{background:var(--gold);width:8px;height:8px;box-shadow:0 0 8px var(--gold-glow);border-radius:50%;flex-shrink:0;display:inline-block}.hardware-status{font-family:var(--mono);color:var(--text-dim);font-size:13px}@media (width<=640px){.act h2{font-size:26px}.pair-stage{gap:32px}.coin{width:110px;height:110px}.shell__header{flex-direction:column;align-items:center;gap:10px;padding-top:14px;padding-bottom:14px}.shell__nav{white-space:nowrap;gap:14px}}