@font-face{font-family:'PS2P';src:url(fonts/PressStart2P.ttf) format('truetype');font-display:swap}
:root{--bg:#120b2b;--card:#1f1546;--card2:#2a1d5c;--line:#3d2f7a;--ink:#f6f2ff;--mut:#c7bdf0;--pink:#ff5fad;--teal:#33e6c8;--yel:#ffd95e;--red:#ff6b6b;
 --pix:'PS2P',monospace;--sans:'Inter','Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;--r:18px;--sh:0 10px 30px rgba(0,0,0,.35)}
*{box-sizing:border-box}html,body{margin:0}html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font:17px/1.7 var(--sans);overflow-x:hidden;-webkit-font-smoothing:antialiased}
#sky{position:fixed;inset:0;z-index:-1;width:100%;height:100%;image-rendering:pixelated;opacity:.85}
h1,h2{font-family:var(--pix);line-height:1.45;letter-spacing:.5px;margin:.2em 0 .6em}
h1{font-size:clamp(20px,3.6vw,32px);text-shadow:3px 3px 0 rgba(255,95,173,.55)}h2{font-size:14px;color:var(--teal)}
h3{font:700 18px/1.4 var(--sans);margin:1.2em 0 .4em}
p{margin:.5em 0 1em}a{color:var(--teal)}
.wrap{max-width:1080px;margin:0 auto;padding:20px}
.box{background:rgba(31,21,70,.92);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:clamp(20px,4vw,36px);margin:22px 0;backdrop-filter:blur(6px)}
.btn,button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 22px;border:0;border-radius:999px;background:var(--pink);color:#fff;font:700 16px var(--sans);text-decoration:none;cursor:pointer;box-shadow:0 6px 18px rgba(255,95,173,.35);transition:transform .15s,box-shadow .15s}
.btn:hover,button:hover{transform:translateY(-2px)}.btn:focus-visible,button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--yel);outline-offset:3px}
.btn.alt,button.alt{background:var(--teal);color:#0f0a26;box-shadow:0 6px 18px rgba(51,230,200,.3)}
.btn.ghost,button.ghost{background:transparent;color:var(--ink);border:2px solid var(--line);box-shadow:none}
button:disabled{opacity:.55;cursor:default;transform:none}
.pill{display:inline-block;background:var(--yel);color:#120b2b;font:700 12px var(--sans);letter-spacing:.08em;text-transform:uppercase;padding:6px 12px;border-radius:999px}
nav.top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:6px 0}
nav.top .logo{font-family:var(--pix);font-size:13px;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:10px}
nav.top .logo:before{content:'';width:14px;height:14px;background:var(--pink);box-shadow:4px 4px 0 var(--teal)}
nav.top .links{display:flex;gap:10px;align-items:center}
.hero{min-height:68vh;display:flex;flex-direction:column;justify-content:center;gap:10px;max-width:640px}
.hero p{font-size:20px;color:var(--mut)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.cp{display:block;background:var(--card2);border:1px solid var(--line);border-radius:14px;padding:18px;color:inherit;text-decoration:none;transition:transform .15s,border-color .15s}
a.cp:hover{transform:translateY(-3px);border-color:var(--teal)}
.cp .n{font:700 12px var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--yel)}.cp b{display:block;font-size:18px;margin:6px 0 4px}
.note{color:var(--mut);font-size:15px}
.price{font-family:var(--pix);font-size:30px;color:var(--yel)}
.checks{list-style:none;padding:0;display:grid;gap:10px}.checks li{padding-left:34px;position:relative}.checks li:before{content:'✓';position:absolute;left:0;top:1px;width:24px;height:24px;border-radius:8px;background:var(--teal);color:#120b2b;font-weight:800;display:grid;place-items:center;font-size:14px}
/* player */
.layout{display:grid;grid-template-columns:280px 1fr;gap:22px;align-items:start}
.side{position:sticky;top:16px;padding:18px;max-height:calc(100vh - 32px);overflow:auto}
.side summary{font-weight:700;cursor:pointer;min-height:44px;display:flex;align-items:center;list-style:none}.side summary::-webkit-details-marker{display:none}
.side h4{font:700 12px var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--yel);margin:16px 0 6px}
.side ol{list-style:none;padding:0;margin:0}.side a{display:flex;gap:10px;align-items:center;min-height:44px;padding:6px 10px;border-radius:10px;color:var(--ink);text-decoration:none;font-size:15px}
.side a:hover{background:var(--card2)}.side a[aria-current]{background:var(--card2);box-shadow:inset 3px 0 0 var(--pink)}
.ck{flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-size:12px;font-weight:800;background:transparent;border:2px solid var(--line);color:var(--mut)}
.ck.on{background:var(--teal);border-color:var(--teal);color:#120b2b}
@media(max-width:820px){.layout{grid-template-columns:1fr}.side{position:static;max-height:none}}
.progress{display:flex;align-items:center;gap:14px;background:rgba(31,21,70,.9);border:1px solid var(--line);border-radius:999px;padding:8px 16px;margin:10px 0 0}
.bar{flex:1;height:12px;border-radius:999px;background:#0c0720;overflow:hidden}.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--pink),var(--yel));transition:width .6s}
.progress b{font-size:14px;white-space:nowrap}
.crumb{font:700 13px var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--yel)}
.lesson-body{max-width:680px;font-size:18px}
.px{padding-left:0;list-style:none}.px li{padding-left:26px;position:relative;margin:10px 0}.px li:before{content:'';position:absolute;left:4px;top:.6em;width:10px;height:10px;background:var(--pink);border-radius:2px}
ol.px li:before{background:var(--teal)}
.tip{border-radius:12px;padding:14px 16px;background:rgba(255,217,94,.1);border:1px solid rgba(255,217,94,.4)}.tip:before{content:'TIP  ';font:700 12px var(--sans);color:var(--yel);letter-spacing:.08em}
.ex{font:16px/1.6 ui-monospace,Menlo,monospace;background:#0c0720;padding:16px;border-radius:12px;border:1px solid var(--line)}
.loop{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-weight:700}.loop span{background:var(--card2);border:1px solid var(--teal);border-radius:999px;padding:8px 16px;font-size:14px}
.zones{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}.z{padding:16px;border-radius:14px;background:var(--card2);border-top:6px solid;font-size:16px}.z b{display:block;font-size:13px;letter-spacing:.06em;margin-bottom:4px}
.z.g{border-color:var(--teal)}.z.y{border-color:var(--yel)}.z.r{border-color:var(--red)}
.game{background:var(--card2);border-radius:var(--r);padding:22px;margin:24px 0}
.q fieldset{border:1px solid var(--line);border-radius:16px;margin:0 0 18px;padding:18px;background:rgba(42,29,92,.5)}
legend{font:700 17px var(--sans);padding:0 8px}
.opt{display:flex;gap:12px;align-items:center;min-height:52px;padding:12px 16px;margin:8px 0;border:2px solid var(--line);border-radius:12px;cursor:pointer;transition:border-color .15s,background .15s}
.opt:hover{border-color:var(--teal)}.opt input{width:20px;height:20px;accent-color:var(--teal)}
.opt.ok{border-color:var(--teal);background:rgba(51,230,200,.15)}.opt.bad{border-color:var(--red);background:rgba(255,107,107,.15)}
.fb{font-size:16px;padding:6px 4px}.score{font-family:var(--pix);font-size:16px;color:var(--yel);line-height:1.6}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0}
.chip{min-height:48px;background:var(--card);color:var(--ink);border:2px solid var(--line);border-radius:999px;padding:10px 18px;font-weight:600;box-shadow:none}
.chip.ok{border-color:var(--teal);background:rgba(51,230,200,.18)}.chip.bad{border-color:var(--red);animation:nope .3s}
.card-q{display:inline-block;font-size:19px;font-weight:700;background:var(--card);border-radius:14px;padding:14px 18px}
.bins{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.pager{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:30px;padding-top:20px;border-top:1px solid var(--line)}
.continue{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;background:linear-gradient(135deg,rgba(255,95,173,.25),rgba(51,230,200,.18));border:1px solid var(--line);border-radius:var(--r);padding:22px;margin:18px 0}
.continue .t{font-size:20px;font-weight:700}
.shake{animation:shake .35s}@keyframes shake{20%{transform:translate(-5px,2px)}40%{transform:translate(4px,-2px)}60%{transform:translate(-3px,1px)}80%{transform:translate(2px,0)}}
@keyframes nope{50%{transform:translateX(-4px)}}
.dash{position:fixed;pointer-events:none;z-index:9;width:8px;height:8px}
.toolbar{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}
canvas#cert{width:100%;max-width:900px;border-radius:14px;box-shadow:var(--sh)}
label.f{display:block;font-weight:600}label.f input{display:block;width:100%;max-width:380px;min-height:50px;padding:10px 14px;font:17px var(--sans);margin-top:6px;border:2px solid var(--line);border-radius:12px;background:#0c0720;color:var(--ink)}
footer{color:var(--mut);font-size:14px;text-align:center;padding:30px 0}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.sponsor{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:center;background:rgba(31,21,70,.7);border:1px dashed var(--line);border-radius:14px;padding:12px 18px;margin:18px 0;font-size:14px}
.sponsor .sp-l{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--mut)}.sponsor a{display:flex;gap:8px;align-items:center;color:var(--ink);text-decoration:none}
.gate{max-width:520px}.gate form{display:grid;gap:14px;margin-top:10px}.gate .chk{display:flex;gap:12px;align-items:flex-start;font-size:15px;font-weight:400}.gate .chk input{width:22px;height:22px;margin-top:3px;accent-color:var(--teal);flex:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.err{color:var(--red);font-weight:600}
.lock{opacity:.6}
.legal{max-width:760px}.legal h2{margin-top:1.6em}
[hidden]{display:none!important}