:root{
  --bg:#fff6e5; --paper:#fffdf7; --ink:#2b2340; --ink2:#5b5270; --line:#e8dcc4;
  --kubo:#f7c948; --kubo2:#e0a91f; --ok:#2f9e6b; --okbg:#e2f6ea; --bad:#d64545; --badbg:#fde8e6;
  --accent:#3d6fd8; --accent2:#2a52a8; --sky:#cfe6ff; --shadow:0 4px 0 rgba(43,35,64,.18);
  --r:20px;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:"Nunito",system-ui,sans-serif;font-size:18px;line-height:1.4}
h1,h2,h3,.slam{font-family:"Baloo 2","Nunito",system-ui,sans-serif;line-height:1.1;margin:0}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;-webkit-tap-highlight-color:transparent}
a{color:inherit}

/* ---------- week page ---------- */
.week{max-width:1100px;margin:0 auto;padding:24px 16px 60px}
.hero{display:flex;gap:20px;align-items:center;margin-bottom:22px}
.hero .kubo{width:110px;flex:none}
.hero h1{font-size:clamp(30px,5vw,48px)}
.hero p{margin:6px 0 0;color:var(--ink2);font-size:19px}
.days{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.daycard{text-decoration:none;position:relative;display:flex;flex-direction:column;text-align:left;background:var(--paper);border:3px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);transition:transform .12s}
.daycard:hover{transform:translateY(-3px)}
.daycard .pic{aspect-ratio:4/3;background:var(--sky);display:block}
.daycard .pic svg{width:100%;height:100%;display:block}
.daycard .meta{padding:12px 14px 14px}
.daycard .dname{font-weight:800;color:var(--ink2);font-size:15px;text-transform:uppercase;letter-spacing:.06em}
.daycard h3{font-size:23px;margin:2px 0 4px}
.daycard .sub{font-size:15px;color:var(--ink2)}
.daycard.today{border-color:var(--kubo2);box-shadow:0 0 0 4px var(--kubo),var(--shadow)}
.badge{position:absolute;top:10px;left:10px;background:var(--kubo);color:var(--ink);font-weight:900;font-size:14px;padding:4px 10px;border-radius:99px;box-shadow:var(--shadow)}
.badge.done{background:var(--ok);color:#fff;left:auto;right:10px}
.stars{color:#e0a91f;font-size:18px;letter-spacing:2px}
.foot{margin-top:28px;color:var(--ink2);font-size:15px}

/* ---------- lesson ---------- */
.app{max-width:1100px;margin:0 auto;padding:10px 16px 40px;min-height:100vh;display:flex;flex-direction:column}
.top{display:flex;align-items:center;gap:12px;padding:6px 0 12px}
.top .home,.top .snd{width:48px;height:48px;border-radius:14px;background:var(--paper);border:3px solid var(--line);font-size:22px;display:grid;place-items:center;flex:none}
.top .title{flex:1;min-width:0}
.top .title b{display:block;font-family:"Baloo 2";font-size:22px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top .title span{font-size:14px;color:var(--ink2);font-weight:700}
.phases{display:flex;gap:6px}
.phases i{width:34px;height:10px;border-radius:9px;background:var(--line)}
.phases i.on{background:var(--kubo2)}
.phases i.done{background:var(--ok)}
.bar{height:10px;background:var(--line);border-radius:9px;overflow:hidden;margin-bottom:12px}
.bar>i{display:block;height:100%;background:var(--kubo2);width:0;transition:width .3s}

.stage{background:var(--paper);border:3px solid var(--line);border-radius:26px;box-shadow:var(--shadow);overflow:hidden;position:relative}
.art{position:relative;background:var(--sky);aspect-ratio:4/3;max-height:58vh;max-width:calc(58vh*4/3);margin:0 auto;width:100%}
.art.wide{max-width:calc(58vh*975/610)}
.art.wide{aspect-ratio:975/610}
.art>svg{position:absolute;inset:0;width:100%;height:100%;display:block}
.art .hot{position:absolute;transform:translate(-50%,-50%);border-radius:50%;border:4px dashed transparent;min-width:80px;min-height:80px}
.art .hot.hint{border-color:rgba(43,35,64,.45);animation:pulse 1.2s infinite}
.art .hot.right{border-color:var(--ok);border-style:solid;background:rgba(47,158,107,.18)}
@keyframes pulse{50%{transform:translate(-50%,-50%) scale(1.12)}}
.mapdot{cursor:pointer}
.mapdot circle.d{fill:#fff;stroke:var(--ink);stroke-width:4}
.mapdot:hover circle.d{fill:var(--kubo)}
.mapdot.right circle.d{fill:var(--ok)}
.mapdot.wrong circle.d{fill:var(--bad)}
.mapdot.hint circle.d{fill:var(--kubo);animation:mp 1s infinite}
@keyframes mp{50%{stroke-width:9}}
.maplabel{font:800 22px "Nunito",sans-serif;fill:var(--ink);paint-order:stroke;stroke:#fff;stroke-width:6px}

.talk{display:flex;gap:14px;align-items:flex-start;padding:14px 16px}
.talk .kubo{width:84px;flex:none;margin-top:-4px}
.bubble{flex:1;background:#fff;border:3px solid var(--line);border-radius:18px;padding:12px 16px;position:relative;font-size:21px;font-weight:600;min-height:64px}
.bubble:before{content:"";position:absolute;left:-14px;top:22px;border:8px solid transparent;border-right:10px solid var(--line)}
.bubble .again{float:right;margin:-4px -6px 4px 8px;width:40px;height:40px;border-radius:12px;background:var(--bg);font-size:18px}
.bubble.ok{background:var(--okbg);border-color:var(--ok)}
.bubble.bad{background:var(--badbg);border-color:var(--bad)}
.bubble b{color:var(--accent2)}

.panel{padding:4px 16px 18px}
.q{font-family:"Baloo 2";font-size:clamp(22px,3.2vw,30px);margin:6px 0 12px;text-align:center}
.opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}
.opt{background:#fff;border:3px solid var(--line);border-radius:18px;padding:14px 16px;min-height:80px;font-size:21px;font-weight:800;box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;transition:transform .1s}
.opt:active{transform:translateY(3px);box-shadow:none}
.opt .oart{width:100%;aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:var(--sky)}
.opt .oart svg{width:100%;height:100%;display:block}
.opt.right{background:var(--okbg);border-color:var(--ok)}
.opt.wrong{background:var(--badbg);border-color:var(--bad);opacity:.75}
.opt.sel{border-color:var(--accent);box-shadow:0 0 0 4px var(--sky),var(--shadow)}
.opt.used{opacity:.35;pointer-events:none}
.opt.pulse{animation:op 1s infinite}
@keyframes op{50%{box-shadow:0 0 0 6px var(--kubo)}}
.opts.pics{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.match{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.match .col{display:flex;flex-direction:column;gap:10px}
.match .opt{min-height:70px}
.sorting{display:flex;flex-direction:column;align-items:center;gap:14px}
.sortcard{background:#fff;border:3px solid var(--ink);border-radius:18px;padding:14px 22px;font-size:24px;font-weight:900;box-shadow:var(--shadow);min-width:240px;text-align:center}
.sortcard .oart{width:220px;aspect-ratio:4/3;margin:0 auto 8px;border-radius:12px;overflow:hidden;background:var(--sky)}
.sortcard .oart svg{width:100%;height:100%;display:block}
.bins{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;width:100%}
.bin{border:3px dashed var(--ink2);border-radius:18px;min-height:96px;padding:12px;font-size:21px;font-weight:900;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px}
.bin small{font-weight:700;font-size:14px;color:var(--ink2)}
.ordered{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;min-height:56px;margin-bottom:12px}
.ordered span{background:var(--okbg);border:3px solid var(--ok);border-radius:14px;padding:8px 12px;font-weight:800}
.ordered span em{font-style:normal;background:var(--ok);color:#fff;border-radius:99px;padding:0 8px;margin-right:6px}

.actions{display:flex;gap:12px;justify-content:center;padding:6px 16px 18px;flex-wrap:wrap}
.btn{background:var(--kubo);border:3px solid var(--kubo2);border-radius:18px;padding:14px 28px;font-size:22px;font-weight:900;box-shadow:var(--shadow);min-height:64px}
.btn:active{transform:translateY(3px);box-shadow:none}
.btn.alt{background:#fff;border-color:var(--line)}
.btn.go{background:var(--ok);border-color:#22784f;color:#fff}
.btn[disabled]{opacity:.4;pointer-events:none}
.streak{display:flex;gap:10px;justify-content:center;padding:6px 0 4px}
.streak i{width:30px;height:30px;border-radius:50%;border:3px solid var(--ink2);background:#fff}
.streak i.on{background:var(--ok);border-color:#22784f}
.tag{display:inline-block;background:var(--ink);color:#fff;border-radius:99px;padding:3px 12px;font-size:14px;font-weight:800;letter-spacing:.05em;text-transform:uppercase}

.done{padding:20px 16px 26px;text-align:center}
.done h2{font-size:clamp(30px,5vw,44px);margin:6px 0}
.done .big{font-size:46px;color:#e0a91f;letter-spacing:6px}
.facts{text-align:left;max-width:640px;margin:14px auto;background:#fff;border:3px solid var(--line);border-radius:18px;padding:12px 18px 12px 38px}
.facts li{margin:6px 0;font-weight:700}
.rocky{max-width:640px;margin:14px auto;text-align:left;background:var(--bg);border:3px dashed var(--ink2);border-radius:18px;padding:12px 16px;font-size:16px}
.rocky textarea{width:100%;font:inherit;border:2px solid var(--line);border-radius:12px;padding:8px;min-height:84px;background:#fff}
.confetti{position:fixed;inset:0;pointer-events:none;overflow:hidden}
.confetti i{position:absolute;width:12px;height:18px;top:-20px;animation:fall 2.6s linear forwards}
@keyframes fall{to{transform:translateY(110vh) rotate(720deg)}}

@media (max-width:640px){
  html,body{font-size:17px}
  .talk .kubo{width:56px}
  .bubble{font-size:18px}
  .opt{font-size:18px;min-height:72px}
  .phases i{width:18px}
  .top .title b{font-size:18px}
  .match{gap:8px}
  .opts.pics{grid-template-columns:repeat(3,1fr);gap:8px}
  .opts.pics .opt{padding:6px;min-height:0}
  .opts:not(.pics){grid-template-columns:1fr}
  .art{max-height:42vh;max-width:calc(42vh*4/3)}
  .art.wide{max-width:none;max-height:none}
}