:root{--ink:#3b2a1a;--soft:#6d5a48;--bg:#fffaf2;--line:#f0e3d4;--orange:#ff8a3d;--pond:#0288d1;--card:#fff;--r:24px;--sh:0 10px 30px rgba(120,80,30,.14)}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%}
body{font-family:"Nunito",system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg)}
button,input{font:inherit;color:inherit}
.screen{display:none;min-height:100%}
.screen.on{display:block}
#paint.on{display:flex;flex-direction:column;height:100vh;height:100dvh}

/* книжка */
#book,#shelf{max-width:1100px;margin:0 auto;padding:16px 16px 40px}
.bhead{display:flex;justify-content:space-between;align-items:center}
.home{color:var(--pond);font-weight:800;text-decoration:none}
h1{font-size:clamp(34px,6vw,58px);text-align:center;margin:18px 0 4px;font-weight:900}
.sub{text-align:center;color:var(--soft);font-size:19px;margin:0 0 26px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:18px}
.pg{position:relative;background:#fff;border:3px solid var(--line);border-radius:20px;overflow:hidden;cursor:pointer;
  box-shadow:var(--sh);padding:0;text-align:left;transition:transform .15s}
.pg:active{transform:scale(.97)}
.pg img{width:100%;aspect-ratio:3/4;object-fit:cover;display:block;background:#fff}
.pg .cap{display:block;padding:8px 10px 10px;font-weight:800;font-size:15px;line-height:1.2}
.pg .num{position:absolute;top:8px;left:8px;background:var(--orange);color:#fff;font-weight:900;border-radius:999px;
  min-width:30px;height:30px;display:grid;place-items:center;font-size:15px}
.pg.locked img{filter:blur(5px) grayscale(.3);opacity:.7}
.pg .lock{position:absolute;inset:0 0 40px 0;display:grid;place-items:center;font-size:44px}
.pg .done{position:absolute;top:8px;right:8px;font-size:22px}

/* раскраска */
.ptop{display:flex;align-items:center;gap:8px;padding:8px 10px;background:#fff;border-bottom:2px solid var(--line)}
.ptitle{flex:1;text-align:center;font-weight:900;font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ic{border:0;background:#ffeccc;border-radius:14px;min-width:46px;height:46px;font-size:22px;cursor:pointer}
.ic.small{min-width:40px;height:40px;font-size:18px}
.ic:disabled{opacity:.35}
.stage{flex:1;min-height:0;display:grid;place-items:center;padding:10px;overflow:hidden;position:relative}
.sheet{transform-origin:0 0;will-change:transform}
.zoombar{position:absolute;right:10px;bottom:10px;display:flex;flex-direction:column;gap:6px;z-index:2}
.zb{width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.92);box-shadow:var(--sh);font-size:20px;cursor:pointer}
.zb.on{background:#ffeccc;box-shadow:0 0 0 3px var(--orange)}
#zPan,#zFit{display:none}
.zoomed #zPan,.zoomed #zFit{display:block}
.sheet{position:relative;background:#fff;border-radius:12px;box-shadow:var(--sh);touch-action:none;max-width:100%;max-height:100%}
.sheet canvas{position:absolute;inset:0;width:100%;height:100%;border-radius:12px}
#cLine{mix-blend-mode:multiply;pointer-events:none}
.loading{position:absolute;inset:0;display:none;place-items:center;font-size:40px;color:var(--soft)}
.loading.on{display:grid}
.tools{background:#fff;border-top:2px solid var(--line);padding:8px 10px calc(8px + env(safe-area-inset-bottom))}
.modes{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.mode{border:3px solid transparent;background:#f6efe6;border-radius:14px;width:50px;height:46px;font-size:22px;cursor:pointer}
.mode.on{border-color:var(--orange);background:#fff3e6}
#size{flex:1;min-width:60px;accent-color:var(--orange)}
.palette{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 4px;scrollbar-width:none}
.palette::-webkit-scrollbar{display:none}
.sw{flex:0 0 auto;width:44px;height:44px;border-radius:50%;border:3px solid #fff;box-shadow:0 0 0 2px var(--line);cursor:pointer}
.sw.on{box-shadow:0 0 0 4px var(--ink);transform:scale(1.08)}

/* родители */
#gate,#parents{padding:24px 16px}
.card{max-width:560px;margin:4vh auto;background:#fff;border-radius:var(--r);box-shadow:var(--sh);padding:28px 24px;text-align:center}
.card h2{font-size:30px;margin:6px 0 10px;font-weight:900}
.card p{font-size:18px;color:var(--soft);margin:8px 0}
.big{font-size:64px}
.adult{margin-top:18px;padding:16px;border:2px dashed var(--line);border-radius:18px}
.q{font-size:26px;font-weight:900;margin:8px 0 12px}
.q input{width:84px;font-size:26px;text-align:center;border:3px solid var(--line);border-radius:12px;padding:4px}
.btn{display:inline-block;border:0;background:var(--orange);color:#fff;font-weight:900;font-size:19px;padding:12px 24px;
  border-radius:999px;cursor:pointer;text-decoration:none}
.btn.buy{font-size:22px;padding:14px 30px;margin:10px 0}
.err{color:#d6336c;font-weight:800;min-height:1.4em}
.incl{text-align:left;font-size:17px;margin:12px auto;max-width:420px;padding-left:22px}
.incl li{margin:6px 0}
.code{margin-top:18px;padding-top:16px;border-top:2px solid var(--line)}
.code input{width:100%;max-width:300px;font-size:20px;text-align:center;border:3px solid var(--line);border-radius:12px;padding:8px;margin:6px 0 10px;text-transform:uppercase}
.note{font-size:14px!important}
.link{border:0;background:none;color:var(--pond);font-weight:800;margin-top:14px;cursor:pointer;font-size:16px}
.q input,.code input{box-sizing:border-box;min-width:0;max-width:100%}

/* «Сделать футболку» */
.tee-btn{position:absolute;left:10px;bottom:10px;z-index:2;border:0;border-radius:999px;background:#ff8a1f;color:#fff;font:inherit;font-weight:900;font-size:16px;padding:10px 16px;box-shadow:var(--sh);cursor:pointer}
.tee-pop{position:fixed;inset:0;z-index:50;background:rgba(43,29,74,.45);display:grid;place-items:center;padding:16px}
.tee-pop[hidden]{display:none}
.tee-card{position:relative;max-width:420px;width:100%;background:#fff;border-radius:var(--r);box-shadow:var(--sh);padding:24px 20px;text-align:center}
.tee-card h2{font-size:24px;margin:6px 0 8px;font-weight:900}
.tee-card p{font-size:17px;color:var(--soft);margin:8px 0}
.tee-card .tb{display:block;margin:10px auto 0;max-width:300px;padding:13px 18px;border-radius:999px;background:#ff8a1f;color:#fff;font-weight:900;text-decoration:none;border:0;font:inherit;font-weight:900;cursor:pointer;width:100%}
.tee-card .tb.alt{background:#f6efe6;color:var(--ink)}
.tee-x{position:absolute;right:10px;top:10px;border:0;background:#f6efe6;border-radius:50%;width:36px;height:36px;font-size:16px;cursor:pointer}

/* полка книжек */
.shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:22px}
.bk{display:flex;flex-direction:column;background:#fff;border:3px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--sh);
  color:var(--ink);text-decoration:none;transition:transform .15s}
.bk:active{transform:scale(.97)}
.bk img{width:100%;aspect-ratio:210/297;object-fit:cover;display:block;background:#fff}
.bk .bt{padding:12px 14px 2px;font-family:"Nunito",ui-rounded,sans-serif;font-weight:900;font-size:22px;line-height:1.15}
.bk .bs{padding:2px 14px 6px;color:var(--soft);font-size:15px;line-height:1.3}
.bk .bf{margin-top:auto;padding:6px 14px 14px;font-weight:800;font-size:14px;color:var(--pond)}