:root{--bg:#fff8f1;--ink:#2b2140;--mut:#6b5f7a;--a:#ff6b6b;--b:#4d96ff;--g:#2bb673;--y:#ffd166;--p:#7b4fd6;--card:#fff;--r:22px}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:"Rubik","Assistant","Heebo","Segoe UI",system-ui,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5;min-height:100vh;display:flex;flex-direction:column}
a{color:var(--p)}
button{font:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--p);outline-offset:3px}
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 14px;background:linear-gradient(90deg,#7b4fd6,#e0569b);color:#fff;box-shadow:0 2px 10px #0002}
.brand{color:#fff;text-decoration:none;font-weight:800;font-size:1.25rem;white-space:nowrap}
.lvl{display:flex;background:#ffffff33;border-radius:999px;padding:3px}
.lvl button{border:0;background:none;color:#fff;padding:8px 12px;border-radius:999px;font-weight:700;min-height:40px}
.lvl button.on{background:#fff;color:var(--p)}
main{flex:1;width:100%;max-width:980px;margin:0 auto;padding:16px 14px 28px}
h1{font-size:1.8rem;margin:.3em 0;line-height:1.25}
h2{font-size:1.35rem;margin:1em 0 .4em}
.hero{background:linear-gradient(135deg,#ffe3ec,#e7e0ff);border-radius:var(--r);padding:18px;text-align:center}
.hero p{margin:.3em 0;color:var(--mut)}
.vs{display:flex;justify-content:center;align-items:center;gap:10px;font-size:2.2rem;margin:6px 0}
.vs b{font-size:1rem;background:#fff;border-radius:999px;padding:2px 10px;color:var(--p)}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:14px}
.tile{display:block;text-decoration:none;color:inherit;background:var(--card);border-radius:var(--r);padding:16px;box-shadow:0 3px 12px #2b214014;border:2px solid transparent;min-height:110px}
.tile:hover{border-color:var(--p)}
.tile .ic{font-size:2rem}
.tile h3{margin:.2em 0;font-size:1.2rem}
.tile p{margin:0;color:var(--mut);font-size:.95rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:16px;padding:12px 18px;min-height:52px;font-weight:800;font-size:1.05rem;background:var(--p);color:#fff;text-decoration:none;box-shadow:0 3px 0 #0002}
.btn.alt{background:#fff;color:var(--p);border:2px solid var(--p)}
.btn.g{background:var(--g)}
.btn.y{background:var(--y);color:var(--ink)}
.btn.sm{min-height:44px;padding:8px 14px;font-size:.95rem}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.row.c{justify-content:center}
.panel{background:var(--card);border-radius:var(--r);padding:16px;box-shadow:0 3px 12px #2b214014;margin:12px 0}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:2px solid #d9d0ef;background:#fff;border-radius:999px;padding:8px 14px;min-height:44px;font-weight:700;color:var(--ink)}
.chip.on{background:var(--p);border-color:var(--p);color:#fff}
.pair{display:flex;gap:10px;align-items:stretch;margin:12px 0}
.opt{flex:1;border-radius:var(--r);padding:16px 8px;text-align:center;color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:190px;border:0;box-shadow:0 4px 0 #0002}
.opt.a{background:linear-gradient(160deg,#ff8a7a,#ff5e7e)}
.opt.b{background:linear-gradient(160deg,#5ab0ff,#4d6bff)}
.opt .e{font-size:3.4rem;line-height:1.1}
.opt .t{font-size:1.6rem;font-weight:800;line-height:1.2;margin-top:6px;word-break:break-word}
.opt .s{font-size:.9rem;opacity:.95;margin-top:6px;font-weight:700}
.or{align-self:center;font-weight:900;font-size:1.2rem;color:var(--p);background:#fff;border-radius:999px;padding:8px 10px;box-shadow:0 2px 8px #0002}
.timer{font-size:2.6rem;font-weight:900;text-align:center;color:var(--p);font-variant-numeric:tabular-nums}
.timer.end{color:var(--a)}
.prog{color:var(--mut);text-align:center;font-weight:700}
.tally{display:flex;gap:10px}
.tally>div{flex:1;background:#fff;border-radius:16px;padding:8px;text-align:center;box-shadow:0 2px 8px #0001}
.tally .n{font-size:1.6rem;font-weight:900}
.tally button{border:0;border-radius:12px;min-width:48px;min-height:44px;font-size:1.2rem;font-weight:900;background:#f1ecff;color:var(--p)}
.tw .opt{min-height:120px;cursor:pointer;opacity:.95}
.tw .opt .e{font-size:2.6rem}.tw .opt .t{font-size:1.3rem}
.tw .opt.picked{outline:5px solid var(--y);transform:scale(1.02)}
.tw .opt.dim{opacity:.4}
.code{font-size:clamp(1.25rem,6.4vw,2rem);font-weight:900;letter-spacing:.06em;white-space:nowrap;text-align:center;background:#fff6d6;border:3px dashed var(--y);border-radius:18px;padding:12px;margin:10px 0;word-break:break-all}
.code small{white-space:normal;display:block;font-size:.85rem;letter-spacing:0;color:var(--mut);direction:rtl}
input[type=text]{font:inherit;font-size:1.2rem;padding:12px;border:2px solid #d9d0ef;border-radius:14px;width:100%;min-height:52px}
label{font-weight:700}
.res{text-align:center;font-size:1.2rem}
.res .pct{font-size:3rem;font-weight:900;color:var(--p)}
.list{list-style:none;padding:0;margin:0}
.list li{display:flex;justify-content:space-between;gap:8px;padding:10px 12px;border-radius:12px;background:#faf7ff;margin:6px 0;font-weight:700}
.note{background:#eafaf1;border-right:6px solid var(--g);border-radius:14px;padding:12px 14px;margin:10px 0}
.warn{background:#fff3e6;border-right:6px solid #ff9f43;border-radius:14px;padding:12px 14px;margin:10px 0}
.refl{background:linear-gradient(135deg,#fff6d6,#ffe3ec);border-radius:var(--r);padding:18px}
.refl ol{padding-inline-start:22px}
.refl li{margin:8px 0;font-size:1.1rem}
.models{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px}
.models .tile{min-height:auto}
.plan h3{margin:.6em 0 .2em}
.plan ol,.plan ul{margin:.2em 0;padding-inline-start:22px}
table{border-collapse:collapse;width:100%}
td,th{border:1px solid #e3dcf3;padding:6px 8px;text-align:right}
.foot{display:flex;align-items:center;justify-content:center;gap:12px;padding:16px;background:#2b2140;color:#fff;text-align:right}
.foot img{border-radius:12px;background:#fff}
.foot span{opacity:.8;font-size:.9rem}
/* projector */
body.proj .top,body.proj .foot{display:none}
body.proj main{max-width:none;padding:2vh 2vw}
.pj{min-height:96vh;display:flex;flex-direction:column;justify-content:center;gap:2vh}
.pj .pair{gap:2vw;margin:0}
.pj .opt{min-height:62vh;border-radius:36px}
.pj .opt .e{font-size:min(18vh,22vw)}
.pj .opt .t{font-size:min(9vh,7.5vw)}
.pj .or{font-size:min(5vh,4vw);padding:1.2vh 1.4vw}
.pj .bar{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.pj .bar .prog{font-size:1.2rem;align-self:center}
.hide{display:none!important}
@media (max-width:420px){h1{font-size:1.5rem}.opt .t{font-size:1.25rem}.opt .e{font-size:2.8rem}.opt{min-height:160px}.btn{padding:10px 14px}.brand{font-size:1.1rem}.lvl button{padding:8px 9px}}
@media print{.top,.foot,.btn,.lvl{display:none!important}body{background:#fff}main{padding:0}@page{margin:15mm}*{text-align:right}}

.cover{display:block;margin:-6px -4px 14px}.cover img{display:block;width:100%;height:auto;border-radius:18px;box-shadow:0 6px 18px #0002}