:root{--ink:#0b1117;--panel:#141c24;--panel2:#1c2731;--trace:#3dff7a;--sync:#38d8ff;--charge:#ffb020;--shock:#ff3b3b;--ok:#7dffb0;--text:#e8f0f2;--dim:#9fb0b8;
  --mono:"JetBrains Mono",ui-monospace,Menlo,monospace;--sans:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color-scheme:dark}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--ink);color:var(--text);font:16px/1.4 var(--sans);overflow:hidden;-webkit-tap-highlight-color:transparent}
button{font:700 15px/1.15 var(--mono);color:var(--text);background:var(--panel2);border:1px solid #2c3a46;border-radius:10px;min-height:48px;padding:6px 10px;cursor:pointer;touch-action:manipulation}
button:hover{border-color:#4b6170}button:focus-visible,.pad:focus-visible{outline:3px solid var(--sync);outline-offset:2px}
button:disabled{opacity:.4;cursor:default}
button.big{background:var(--trace);color:#03140a;border:0;font-size:18px;padding:10px 26px}
button.ghost{background:transparent}
.noscript{padding:24px}
#app{position:fixed;inset:0;display:flex;flex-direction:column;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}
#view{position:relative;flex:1;min-height:0;overflow:hidden}
#gl{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}
#codeGlow{position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 120px 20px rgba(255,40,40,.0);transition:box-shadow .3s}
#codeGlow.on{animation:codepulse 1.6s ease-in-out infinite}
@keyframes codepulse{50%{box-shadow:inset 0 0 140px 30px rgba(255,40,40,.35)}}
#hud{position:absolute;left:0;right:0;top:0;padding:8px 10px 0;display:grid;grid-template-columns:1fr auto;gap:6px;pointer-events:none;background:linear-gradient(#0b1117ee,#0b111700)}
#hud button{pointer-events:auto}
#pt{display:flex;flex-direction:column;font-size:14px;min-width:0}
#pt b{font:700 14px var(--mono);color:var(--sync)}
#ptVitals{font:700 14px var(--mono);color:#ffd36b}
#meters{display:flex;gap:8px;align-items:flex-start}
.meter{display:flex;flex-direction:column;align-items:flex-end;font-family:var(--mono)}
.meter span{font-size:10px;color:var(--dim)}.meter b{font-size:18px}
button.icon{min-height:40px;width:44px;padding:0}
#timerRow{grid-column:1/-1;display:flex;align-items:center;gap:6px;pointer-events:auto}#timerRow span{font:700 10px var(--mono);color:var(--dim)}
#timer{flex:1;height:6px;background:#ffffff1a;border-radius:3px;overflow:hidden}
#timer i{display:block;height:100%;width:100%;background:var(--charge);transform-origin:left}
#coach{position:absolute;left:50%;bottom:8px;transform:translateX(-50%);z-index:3;background:#0b1117f0;border:2px solid var(--sync);color:var(--text);padding:8px 14px;border-radius:10px;font-size:16px;width:max-content;max-width:min(94%,560px);text-align:center;pointer-events:none;display:flex;flex-direction:column;gap:6px;align-items:center}
#coach[hidden]{display:none}#coachGot{pointer-events:auto;min-height:40px;background:var(--sync);color:#02141a;border:0;padding:6px 18px}#coachGot[hidden]{display:none}
#skipCard{position:absolute;left:50%;top:40%;transform:translate(-50%,-50%);z-index:6;background:#0b1117f2;border:2px solid var(--ok);padding:14px 22px;border-radius:14px;font:700 20px var(--mono);color:var(--ok);pointer-events:none;text-align:center}
#explainBanner{position:absolute;left:50%;top:40%;transform:translateX(-50%);z-index:6;background:#38d8ffee;color:#02141a;padding:10px 16px;border-radius:10px;font-size:15px;pointer-events:none;max-width:90%;text-align:center}
#explainBanner[hidden],#skipCard[hidden]{display:none}
#explainBtn.on{background:var(--sync);color:#02141a}
#tip{position:fixed;z-index:30;max-width:min(320px,90vw);background:#f4f7f8;color:#0b1117;padding:8px 11px;border-radius:10px;font-size:14px;line-height:1.35;pointer-events:none;box-shadow:0 4px 18px #0008}
#rTag{position:absolute;left:50%;top:6px;transform:translateX(-50%);background:#ffd36bee;color:#1a1000;font:700 13px var(--mono);padding:2px 10px;border-radius:8px}
#rTag[hidden]{display:none}
#stripWrap.glow{box-shadow:0 0 0 3px var(--sync),0 0 18px var(--sync);animation:glow 1s infinite alternate}
#stepper{display:flex;justify-content:center;align-items:center;gap:6px;font:700 13px var(--mono);color:var(--dim)}#stepper[hidden]{display:none}
#stepper span{padding:3px 8px;border-radius:12px;border:1px solid #2c3a46}#stepper span.now{border-color:var(--sync);color:var(--text)}#stepper span.done{background:var(--charge);color:#1a1000;border-color:var(--charge)}
#buttons button[hidden]{display:none}#buttons small{display:block;font:400 11px var(--sans);color:var(--dim);margin-top:2px}#buttons .on small{color:inherit}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px;max-width:640px;width:100%}
.hcard{border-radius:12px;padding:10px;text-align:left;border:2px solid}.hcard b{font:700 18px var(--mono)}.hcard p{margin:6px 0 0;font-size:14px}
.hcard.sh{border-color:var(--shock)}.hcard.sh>b{color:var(--shock)}.hcard.no{border-color:var(--ok)}.hcard.no>b{color:var(--ok)}.hcard.aw{border-color:var(--sync)}.hcard.aw>b{color:var(--sync)}
#words{max-width:600px;text-align:left;font-size:14px;margin:0}#words dt{font-weight:700;color:var(--sync);margin-top:6px}#words dd{margin:0 0 0 12px}
#sIntro .help,#sTutDone .help{text-align:left;max-width:540px;font-size:16px}
#screens #sHelp,#screens #sIntro,#screens #sTutDone{justify-content:safe center}#screens #sHelp{justify-content:flex-start}
#bubble{position:absolute;background:#fff;color:#111;padding:6px 10px;border-radius:12px;font-size:14px;max-width:220px;pointer-events:none;transform:translate(-50%,-100%)}
#toast{position:absolute;left:50%;bottom:calc(var(--coachH,0px) + 14px);transform:translateX(-50%);display:flex;flex-direction:column;gap:6px;align-items:center;pointer-events:none;width:min(94%,560px)}
#toast div{background:#0b1117f0;border-left:4px solid var(--ok);padding:7px 12px;border-radius:8px;font-size:15px;animation:toast 3.4s forwards}
#toast div.mild{border-color:var(--charge)}#toast div.danger{border-color:var(--shock);background:#2a0b0bf2}
@keyframes toast{0%{opacity:0;transform:translateY(8px)}8%,85%{opacity:1;transform:none}100%{opacity:0}}
#hotspots{position:absolute;inset:0;pointer-events:none}
.hs{position:absolute;transform:translate(-50%,-50%);pointer-events:auto;min-height:44px;min-width:44px;padding:4px 10px;border-radius:22px;background:#0b1117b8;border:2px solid #ffffff90;font:700 14px var(--mono);user-select:none;-webkit-user-select:none}
.hs.glow,button.glow,.pad.glow{box-shadow:0 0 0 3px var(--sync),0 0 18px var(--sync);animation:glow 1s infinite alternate}
@keyframes glow{to{box-shadow:0 0 0 3px var(--sync),0 0 4px var(--sync)}}
#holdRing{position:absolute;width:64px;height:64px;transform:translate(-50%,-50%);pointer-events:none}
#holdRing circle{fill:none;stroke:var(--ok);stroke-width:4;stroke-dasharray:119.4;stroke-dashoffset:119.4;transform:rotate(-90deg);transform-origin:center}
#defib{background:var(--panel);border-top:1px solid #2c3a46;padding:6px 8px 8px;display:flex;flex-direction:column;gap:6px}
#stripWrap{position:relative;height:110px;border-radius:8px;overflow:hidden;border:1px solid #26333d}
#strip{width:100%;height:100%;display:block}
#energy{position:absolute;right:8px;bottom:4px;font:700 13px var(--mono);color:var(--charge)}
#padTray{display:flex;gap:6px}#padTray[hidden]{display:none}
.pad{flex:1;display:flex;gap:6px;align-items:center;background:var(--panel2);border:1px dashed #6b7f8c;border-radius:10px;padding:4px 8px;font-size:14px;line-height:1.1;touch-action:none;cursor:grab;user-select:none;-webkit-user-select:none;min-height:48px}
.pad svg{width:40px;flex:none}.pad rect{fill:#f2f2f2;stroke:#888}.pad path{fill:#d33}.pad small{color:var(--dim);font-size:12px}
.pad.used{opacity:.3;pointer-events:none}
#buttons{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
#buttons button{font-size:14px;padding:4px}
#buttons .cy.on{background:var(--sync);color:#02141a}
#buttons .am{color:var(--charge)}#buttons .am.on{background:var(--charge);color:#1a1000}
#buttons .rd{color:#fff;background:#5a1414;border-color:var(--shock)}#buttons .rd.on{background:var(--shock)}
#buttons .md{color:var(--ok)}
#medTray{position:absolute;left:0;right:0;bottom:0;z-index:5;background:var(--panel);border-top:2px solid var(--ok);padding:12px 12px calc(12px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:8px}
#medTray[hidden]{display:none}
#medList{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
#medList button{text-align:left;font-size:14px}#medList small{display:block;font:400 13px var(--sans);color:var(--dim)}
.order{margin:0;font-size:14px;color:var(--dim)}
#screens .screen{position:absolute;inset:0;z-index:10;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:24px 16px;text-align:center;background:radial-gradient(circle at 50% 30%,#132330,#0b1117 70%);overflow:auto}
#screens .screen[hidden]{display:none}
#screens .card{background:#0b1117e8}
h1{font:700 clamp(40px,9vw,72px)/1 var(--mono);margin:0;color:var(--trace);text-shadow:0 0 24px #3dff7a66}
h2{font:700 26px var(--mono);margin:0}
.lede{max-width:520px;margin:0;font-size:17px}.fine{font-size:14px;color:var(--dim);margin:0;max-width:520px}
.kicker{font:700 14px var(--mono);color:var(--sync);margin:0}
.col{display:flex;flex-direction:column;gap:10px;align-items:stretch;min-width:min(320px,90vw)}
.row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
#titleTrace,#loadTrace{width:min(900px,94vw);height:auto}
#sCredits p,#sHelp ul{max-width:560px;text-align:left;font-size:15px}#sCredits a{color:var(--sync)}
.help li{margin-bottom:6px}
.lvl{display:flex;justify-content:space-between;gap:12px;text-align:left}.lvl small{color:var(--dim);font:400 13px var(--sans)}
.rule{font-size:18px;max-width:520px;margin:0;color:var(--ok)}
#dbList{text-align:left;max-width:560px;margin:0;padding-left:22px;font-size:15px}
#dbList li{margin:3px 0}#dbList .bad{color:#ff8a8a}#dbList .mild{color:#ffcf70}#dbList .good{color:var(--ok)}
.stars{font-size:40px;color:var(--charge);margin:0;letter-spacing:6px}
#endBars{display:flex;flex-direction:column;gap:8px;width:min(480px,90vw)}
.bar{display:grid;grid-template-columns:110px 1fr 60px;gap:8px;align-items:center;font:700 14px var(--mono);text-align:left}
.bar i{display:block;height:12px;background:var(--trace);border-radius:6px}
#flash{position:fixed;inset:0;background:#fff;opacity:0;pointer-events:none;z-index:20}
#hub{position:fixed;right:10px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:11;color:var(--dim);font-size:14px;text-decoration:none;padding:12px 4px}
body.playing #hub{display:none}
#sheet{display:block;margin:0 auto;background:#fff}
body.sheet{overflow:auto}
@media (min-width:900px) and (min-height:560px){
  #defib{position:absolute;left:12px;bottom:12px;width:540px;border:1px solid #2c3a46;border-radius:14px;z-index:4}
  #stripWrap{height:150px}
  #medTray{left:12px;right:auto;width:540px;bottom:12px;border-radius:14px;border:2px solid var(--ok)}
  #toast{left:auto;right:16px;transform:none;width:420px;bottom:16px;align-items:flex-end}
  #coach{top:96px;bottom:auto}
}
@media (prefers-reduced-motion:reduce){#codeGlow.on{animation:none;box-shadow:inset 0 0 120px 20px rgba(255,40,40,.25)}.hs.glow,button.glow,.pad.glow,#stripWrap.glow{animation:none}}
#buttons .n{font-style:normal;margin-right:5px;opacity:.8}body:not(.steps) #buttons .n{display:none}
@media (max-width:599px){#pt{font-size:13px}#meters{gap:4px}.meter b{font-size:15px}.meter span{font-size:9px}#hud button.icon{width:38px;min-height:38px}}
@media (max-width:599px){#stripWrap{height:92px}#buttons button{min-height:44px}#buttons small{font-size:10px}#defib{gap:5px;padding:5px 6px 6px}.pad{min-height:44px}}
.hs.glow{z-index:5}
.meter{pointer-events:auto;cursor:help}