/* Year 1 demo class (/british-curriculum/year-1-demo): big, bright and readable on a shared screen. */
.y1-page [hidden]{display:none!important}
.y1-page{--y1-ink:#1b1340;--y1-red:#ff5d8f;--y1-blue:#3ec1ff;--y1-green:#12a37d;--y1-yel:#ffd23f;--y1-vio:#6c4de6}
.y1-clock{position:sticky;top:64px;z-index:20;display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0 auto 14px;max-width:1200px;padding:10px 14px;border:3px solid var(--y1-ink);border-radius:18px;background:#fff;box-shadow:5px 5px 0 var(--y1-ink)}
.y1-clock ol{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;flex:1 1 600px}
.y1-clock a{position:relative;display:inline-flex;align-items:center;gap:5px;padding:6px 10px;border:2px solid var(--y1-ink);border-radius:999px;background:#fffdf7;color:var(--y1-ink);font-weight:700;font-size:.85rem;text-decoration:none;overflow:hidden}
.y1-clock a small{opacity:.7}
.y1-clock a i{position:absolute;left:0;bottom:0;height:4px;width:0;background:var(--y1-vio)}
.y1-clock a.now{background:var(--y1-yel)}
.y1-clock a.done{background:#e2fbf3}
.y1-clock-go{padding:8px 14px;border:3px solid var(--y1-ink);border-radius:999px;background:var(--y1-vio);color:#fff;font:inherit;font-weight:800;cursor:pointer}
.y1-clock-time{font-weight:800;font-variant-numeric:tabular-nums;min-width:7.5em}
.y1-stars{position:fixed;right:16px;bottom:86px;z-index:30;padding:8px 14px;border:3px solid var(--y1-ink);border-radius:999px;background:var(--y1-yel);box-shadow:4px 4px 0 var(--y1-ink);font-weight:800}
.y1-stars span{font-size:.8rem}
.y1-stars b{font-size:1.3rem}
.y1-stars.pop{animation:y1pop .45s cubic-bezier(.34,1.56,.64,1)}
@keyframes y1pop{50%{transform:scale(1.25)}}
.y1-sec{scroll-margin-top:150px}
.y1-sec-head{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.y1-sec-head h2{margin:0;font-size:clamp(26px,3.4vw,40px)}
.y1-sec-icon{display:grid;place-items:center;width:54px;height:54px;border:3px solid var(--y1-ink);border-radius:16px;background:var(--y1-yel);font-size:28px;box-shadow:3px 3px 0 var(--y1-ink)}
.y1-mins{margin-left:auto;padding:4px 12px;border:2px solid var(--y1-ink);border-radius:999px;background:#fff;font-weight:800}
.y1-tip{margin:0 0 14px;padding:8px 14px;border:2px dashed var(--y1-vio);border-radius:12px;background:#f4f0ff;font-size:.95rem}
.y1-tip summary{cursor:pointer;font-weight:800;color:var(--y1-vio)}
.y1-tip p{margin:.4rem 0 0}
.y1-big{font-size:clamp(20px,2.2vw,26px);line-height:1.35}
.y1-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.y1-red{color:#e23a74;font-weight:800}.y1-blue{color:#1c8fc4;font-weight:800}.y1-green{color:var(--y1-green);font-weight:800}

/* ice breaker, warm-up, riddles */
.y1-ice{display:flex;flex-wrap:wrap;align-items:center;gap:18px}
.y1-ice-card,.y1-flash-q{flex:1 1 420px;min-height:130px;display:grid;place-items:center;padding:22px 26px;border:4px solid var(--y1-ink);border-radius:24px;background:#fff;box-shadow:7px 7px 0 var(--y1-ink);font-size:clamp(24px,3vw,36px);font-weight:800;text-align:center;line-height:1.25}
.y1-ice-card.spin{background:var(--y1-yel)}
.y1-flash{max-width:820px}
.y1-flash-n{font-weight:800;margin:0 0 8px}
.y1-flash-a{margin-top:14px;display:inline-block;padding:10px 24px;border:3px solid var(--y1-ink);border-radius:16px;background:#e2fbf3;font-size:32px;font-weight:900}
.y1-track{margin-top:22px}
.y1-track-nums{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:6px;max-width:760px;margin:10px 0;padding:0;list-style:none}
.y1-track-nums li{display:grid;place-items:center;aspect-ratio:1;border:3px solid var(--y1-ink);border-radius:12px;background:#fff;font-size:clamp(16px,2.2vw,26px);font-weight:900;transition:background .2s,transform .2s}
.y1-track-nums li.lit{background:var(--y1-yel);transform:translateY(-4px)}
.y1-riddles{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.y1-riddle{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:16px 18px;border:3px solid var(--y1-ink);border-radius:20px;background:#fff;box-shadow:5px 5px 0 var(--y1-ink);font:inherit;text-align:left;cursor:pointer}
.y1-riddle-ic{font-size:34px}
.y1-riddle-q{font-size:1.15rem;font-weight:700;line-height:1.35}
.y1-riddle-a{padding:6px 14px;border-radius:12px;background:var(--y1-yel);font-size:1.4rem;font-weight:900}
.y1-riddle-hint{font-size:.85rem;color:var(--y1-vio);font-weight:700}
.y1-riddle.open{background:#fff8dc}

/* learn */
.y1-learn{display:grid;gap:22px}
.y1-step{padding:18px 20px;border:3px solid var(--y1-ink);border-radius:22px;background:#fff}
.y1-step-n{margin:0 0 4px;font-weight:900;color:var(--y1-vio);text-transform:uppercase;letter-spacing:.05em;font-size:.85rem}
.y1-frame{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;max-width:520px;padding:12px;border:4px solid var(--y1-ink);border-radius:16px;background:#fffdf7}
.y1-cell{aspect-ratio:1;border:3px solid var(--y1-ink);border-radius:50%;background:var(--y1-blue);cursor:pointer;transition:transform .15s}
.y1-cell.on{background:var(--y1-red)}
.y1-cell:active{transform:scale(.9)}
.y1-sum{font-size:clamp(28px,4vw,46px);font-weight:900;margin:10px 0 0}
.y1-bonds{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:6px;margin:8px 0 0;padding:0;list-style:none}
.y1-bonds li{padding:6px 10px;border:2px solid var(--y1-ink);border-radius:12px;background:#fffdf7;font-size:1.25rem;font-weight:800;text-align:center}
.y1-a{color:#e23a74}.y1-b{color:#1c8fc4}
.y1-pset{margin-top:12px}
.y1-pset h3{margin:8px 0}
.y1-qs{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.y1-q{padding:12px 14px;border:3px solid var(--y1-ink);border-radius:16px;background:#fffdf7}
.y1-q p{margin:0 0 8px;font-size:1.25rem;font-weight:800}
.y1-q.right{background:#e2fbf3}
.y1-choices{display:flex;flex-wrap:wrap;gap:8px}
.y1-choices button{min-width:58px;padding:8px 14px;border:3px solid var(--y1-ink);border-radius:14px;background:#fff;font:inherit;font-size:1.3rem;font-weight:900;cursor:pointer;box-shadow:3px 3px 0 var(--y1-ink)}
.y1-choices button.ok{background:#38d9a9}
.y1-choices button.no{background:#ffd6e2;opacity:.7}
.y1-choices--big button{font-size:1.8rem;min-width:110px;padding:14px 22px}
.y1-fb{display:block;min-height:1.4em;margin-top:6px;font-weight:800}

/* game */
.y1-game-bar{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:1.2rem}
.y1-game-help{font-size:1.15rem}
.y1-balloons{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;min-height:260px;padding:20px;border:3px solid var(--y1-ink);border-radius:22px;background:linear-gradient(#e1f5ff,#fffdf7)}
.y1-balloon{position:relative;width:86px;height:104px;border:3px solid var(--y1-ink);border-radius:50% 50% 46% 46%;background:var(--c);color:var(--y1-ink);font:inherit;font-size:2.2rem;font-weight:900;cursor:pointer;animation:y1float 3s ease-in-out var(--d) infinite}
.y1-balloon::after{content:"";position:absolute;left:50%;bottom:-22px;width:2px;height:20px;background:var(--y1-ink)}
.y1-balloon.picked{animation:none;outline:5px solid var(--y1-ink);outline-offset:3px;transform:scale(1.15) translateY(-6px)}
.y1-balloon.popped{animation:y1popout .38s ease-in forwards}
.y1-balloon.shake{animation:y1shake .35s}
@keyframes y1float{50%{transform:translateY(-8px)}}
@keyframes y1popout{to{transform:scale(1.6);opacity:0}}
@keyframes y1shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.y1-game-end{font-size:1.5rem;font-weight:900}

.y1-balloons{position:relative}
.y1-pop{position:absolute;z-index:3;transform:translate(-50%,-50%);font-size:1.6rem;font-weight:900;color:#e23a74;-webkit-text-stroke:1px #1b1340;pointer-events:none;animation:y1popword .7s ease-out forwards}
@keyframes y1popword{from{opacity:1;transform:translate(-50%,-50%) scale(.6)}to{opacity:0;transform:translate(-50%,-140%) scale(1.4)}}
.y1-game:not(.on) .y1-balloons::before{content:"Tap ▶ Play, or tap a balloon to start!";position:absolute;left:50%;top:8px;transform:translateX(-50%);padding:4px 12px;border-radius:999px;background:#1b1340;color:#fff;font-weight:800;font-size:.95rem;z-index:2;white-space:nowrap}
.y1-balloons{padding-top:46px}

/* all about me */
.y1-me{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;align-items:stretch;margin-bottom:22px}
.y1-me-form{display:grid;gap:10px}
.y1-me-form label{display:grid;gap:4px;font-weight:800;font-size:1.1rem}
.y1-me-form input{padding:12px 14px;border:3px solid var(--y1-ink);border-radius:14px;font:inherit;font-size:1.4rem;font-weight:700;background:#fff}
.y1-me-form input:focus{outline:3px solid var(--y1-vio);outline-offset:2px}
.y1-badge{display:flex;flex-direction:column;justify-content:center;padding:22px 26px;border:4px solid var(--y1-ink);border-radius:26px;background:var(--y1-yel);box-shadow:8px 8px 0 var(--y1-ink);transform:rotate(-1.5deg)}
.y1-badge-hi{margin:0 0 10px;font-size:clamp(28px,3.6vw,46px);font-weight:900;line-height:1.1}
.y1-badge-hi b{color:#e23a74;word-break:break-word}
.y1-badge ul{margin:0;padding:0;list-style:none;display:grid;gap:6px;font-size:clamp(20px,2.4vw,28px)}
.y1-badge li b{font-weight:900}
.y1-sub{margin:6px 0 10px}
.y1-sheet-pairs{display:flex;flex-wrap:wrap;gap:20pt}

/* quiz and wrap-up */
.y1-quiz{max-width:860px;padding:22px 24px;border:4px solid var(--y1-ink);border-radius:24px;background:#fff;box-shadow:7px 7px 0 var(--y1-ink)}
.y1-quiz-n{margin:0;font-weight:800;color:var(--y1-vio)}
.y1-quiz-q{font-size:clamp(24px,3vw,36px);font-weight:900;margin:.3rem 0 1rem}
.y1-wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.y1-wrap-card{padding:18px 20px;border:3px solid var(--y1-ink);border-radius:20px;background:#fff;box-shadow:5px 5px 0 var(--y1-ink)}
.y1-wrap-card h3{margin-top:0}
.y1-feel{display:flex;gap:10px}
.y1-feel button{font-size:2.4rem;padding:6px 12px;border:3px solid var(--y1-ink);border-radius:16px;background:#fff;cursor:pointer}
.y1-feel button.on{background:var(--y1-yel)}
.y1-confetti{position:fixed;z-index:60;width:10px;height:14px;border-radius:2px;pointer-events:none;animation:y1conf 1.2s cubic-bezier(.2,.7,.4,1) forwards}
@keyframes y1conf{to{transform:translate(var(--dx),var(--dy)) rotate(540deg);opacity:0}}
.y1-sheet{display:none}
@media(max-width:760px){.y1-me{grid-template-columns:1fr}.y1-clock{position:static}.y1-track-nums{grid-template-columns:repeat(5,minmax(0,1fr))}}
@media(prefers-reduced-motion:reduce){.y1-balloon{animation:none}}

/* printing: only the worksheet */
@media print{
  body.y1-page>*:not(main),.y1-page main>*:not(.y1-sheet){display:none!important}
  .y1-page main>.y1-sheet{display:block!important}
  .y1-sheet{color:#000;font:14pt/1.4 Arial,sans-serif}
  .y1-sheet h2{font-size:20pt;margin:0 0 6pt}
  .y1-sheet-qs{display:grid;grid-template-columns:1fr 1fr;gap:10pt 30pt;font-size:18pt}
  .y1-sheet-qs i{display:inline-block;width:50pt;border-bottom:1.5pt solid #000;margin-left:8pt}
  .y1-sheet-frame{display:grid;grid-template-columns:repeat(5,40pt);border:2pt solid #000;width:max-content}
  .y1-sheet-frame i{height:40pt;border:1pt solid #000}
  .y1-sheet-foot{font-size:10pt;color:#666}
}