:root{
  --ink:#42215d;
  --ink-soft:#6b537c;
  --purple:#7427c2;
  --purple-dark:#4d158c;
  --pink:#ff4f95;
  --coral:#ff746d;
  --yellow:#ffd85b;
  --green:#38b86f;
  --blue:#36a8ea;
  --cream:#fffaf1;
  --paper:#fffdf8;
  --line:#eadcf4;
  --shadow:0 14px 34px rgba(76,30,108,.16);
  --shadow-soft:0 8px 22px rgba(76,30,108,.1);
  --radius:24px;
  --header-h:76px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--cream)}
body{margin:0;font-family:"Trebuchet MS",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:
  radial-gradient(circle at 12% 0%,rgba(255,216,91,.25),transparent 24rem),
  radial-gradient(circle at 88% 10%,rgba(54,168,234,.14),transparent 24rem),
  var(--cream);min-height:100vh}
button,a,input{font:inherit}
a{color:inherit;text-decoration:none}
button{cursor:pointer}
img{max-width:100%;display:block}
.hidden{display:none!important}
.container{width:min(1180px,calc(100% - 28px));margin-inline:auto}
.site-header{height:var(--header-h);position:sticky;top:0;z-index:50;background:rgba(255,253,248,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(116,39,194,.1)}
.header-inner{height:100%;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;min-width:0}
.brand img{width:112px;height:auto}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:7px}
.nav-link{padding:11px 15px;border-radius:16px;font-weight:900;color:var(--ink-soft);transition:.18s ease;white-space:nowrap}
.nav-link:hover,.nav-link.active{background:#f4e9ff;color:var(--purple-dark);transform:translateY(-1px)}
.header-actions{display:flex;align-items:center;gap:8px}
.icon-btn,.language-btn{border:1px solid var(--line);background:#fff;border-radius:16px;min-height:44px;padding:0 13px;color:var(--purple-dark);font-weight:900;box-shadow:var(--shadow-soft);display:inline-flex;align-items:center;justify-content:center;gap:7px}
.mobile-menu-btn{display:none}
.mobile-nav{display:none;position:fixed;inset:var(--header-h) 0 auto 0;z-index:45;background:#fffdf8;border-bottom:1px solid var(--line);padding:14px;box-shadow:var(--shadow)}
.mobile-nav.open{display:grid;gap:8px}
.mobile-nav .nav-link{display:block;text-align:center}
.hero{padding:28px 0 22px}
.hero-card{position:relative;overflow:hidden;min-height:410px;border-radius:34px;background:#84d7f2;box-shadow:var(--shadow)}
.hero-card>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,252,246,.98) 0%,rgba(255,252,246,.89) 37%,rgba(255,252,246,.08) 68%,transparent 100%)}
.hero-copy{position:relative;z-index:2;width:min(570px,58%);padding:50px 46px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff0a7;color:#714100;font-size:.82rem;font-weight:1000;padding:9px 13px;border-radius:999px;text-transform:uppercase;letter-spacing:.025em}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(2.2rem,4.5vw,4.7rem);line-height:.98;margin:18px 0;color:var(--purple-dark);letter-spacing:-.035em}
h2{font-size:clamp(1.7rem,3vw,2.7rem);line-height:1.05;color:var(--purple-dark)}
.hero-copy p{font-size:1.08rem;line-height:1.55;color:#553a64;max-width:49ch}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.btn{border:0;border-radius:17px;min-height:50px;padding:0 20px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:1000;box-shadow:var(--shadow-soft);transition:.18s ease}
.btn:hover{transform:translateY(-2px)}
.btn-primary{color:white;background:linear-gradient(135deg,var(--pink),var(--coral))}
.btn-secondary{color:var(--purple-dark);background:#fff;border:1px solid var(--line)}
.btn-purple{color:#fff;background:linear-gradient(135deg,#8435d0,#5d1da7)}
.btn-green{color:#fff;background:linear-gradient(135deg,#43c879,#2b9f5f)}
.section{padding:34px 0}
.section-heading{text-align:center;margin-bottom:22px}
.section-heading p{color:var(--ink-soft);font-size:1.04rem;max-width:62ch;margin-inline:auto}
.game-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.game-card{background:#fff;border:1px solid var(--line);border-radius:28px;overflow:hidden;box-shadow:var(--shadow-soft);transition:.2s ease;position:relative}
.game-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.game-card-media{aspect-ratio:4/3;overflow:hidden;background:#eee}
.game-card-media img{width:100%;height:100%;object-fit:cover;transition:.35s ease}
.game-card:hover .game-card-media img{transform:scale(1.04)}
.game-card-body{padding:20px}
.game-card h3{font-size:1.45rem;margin-bottom:8px;color:var(--purple-dark)}
.game-card p{color:var(--ink-soft);line-height:1.45;min-height:3.1em}
.badge{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;font-weight:1000;font-size:.76rem;background:#f3e8ff;color:var(--purple-dark);margin-bottom:10px}
.badge.soon{background:#fff0cf;color:#8a5500}
.book-strip{display:grid;grid-template-columns:1fr .82fr;align-items:center;gap:24px;background:linear-gradient(135deg,#fff2c8,#ffe3f0);border:1px solid #f2d8bb;border-radius:30px;padding:28px;box-shadow:var(--shadow-soft);overflow:hidden}
.book-strip .visual{border-radius:22px;overflow:hidden;max-height:300px}
.book-strip .visual img{width:100%;height:100%;object-fit:cover}
.parent-strip{display:flex;justify-content:space-between;gap:22px;align-items:center;background:#efe5ff;border:1px solid #e0ccf6;border-radius:26px;padding:24px}
.site-footer{margin-top:44px;padding:28px 0 36px;border-top:1px solid var(--line);color:var(--ink-soft);font-size:.93rem}
.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* Game page */
.game-page{min-height:100vh;background:
  radial-gradient(circle at 0 0,rgba(255,216,91,.22),transparent 22rem),
  radial-gradient(circle at 100% 0,rgba(54,168,234,.18),transparent 24rem),
  #fffaf2}
.game-shell{width:min(1280px,calc(100% - 22px));margin:18px auto 36px}
.game-topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.game-topbar-left,.game-topbar-right{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.back-btn{border:1px solid var(--line);background:#fff;border-radius:16px;min-height:46px;padding:0 15px;font-weight:1000;color:var(--purple-dark);display:inline-flex;align-items:center;gap:8px;box-shadow:var(--shadow-soft)}
.game-title{font-weight:1000;font-size:1.22rem;color:var(--purple-dark)}
.status-pill{min-height:44px;padding:0 13px;border-radius:15px;background:#fff;border:1px solid var(--line);display:inline-flex;align-items:center;gap:7px;font-weight:1000;color:var(--ink-soft);box-shadow:var(--shadow-soft)}
.status-pill strong{color:var(--purple-dark)}
.setup-card{background:#fff;border:1px solid var(--line);border-radius:30px;padding:22px;box-shadow:var(--shadow);margin-bottom:18px}
.setup-grid{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:end}
.setup-group h2{font-size:1.4rem;margin-bottom:12px}
.thumb-list{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.thumb-btn{border:3px solid transparent;background:#fff;padding:0;border-radius:16px;overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow-soft);position:relative;transition:.16s ease}
.thumb-btn:hover{transform:translateY(-2px)}
.thumb-btn.selected{border-color:var(--pink);box-shadow:0 0 0 4px rgba(255,79,149,.15)}
.thumb-btn img{width:100%;height:100%;object-fit:cover}
.thumb-check{position:absolute;right:7px;top:7px;width:25px;height:25px;border-radius:50%;background:var(--pink);color:white;display:none;align-items:center;justify-content:center;font-weight:1000}
.thumb-btn.selected .thumb-check{display:flex}
.difficulty-row{display:flex;gap:9px;flex-wrap:wrap}
.difficulty-btn{border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 13px;font-weight:1000;color:var(--ink-soft)}
.difficulty-btn.selected{background:#f1e4ff;color:var(--purple-dark);border-color:#b98ae5;box-shadow:0 0 0 3px rgba(116,39,194,.1)}
.setup-actions{display:flex;gap:10px;align-items:center}
.game-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,360px);gap:18px;align-items:start}
.board-panel,.tray-panel{background:#fff;border:1px solid var(--line);border-radius:28px;padding:15px;box-shadow:var(--shadow)}
.board-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.progress-wrap{display:flex;align-items:center;gap:10px;min-width:170px}
.progress-track{height:12px;border-radius:999px;background:#eee5f4;overflow:hidden;flex:1}
.progress-bar{height:100%;width:0%;background:linear-gradient(90deg,var(--pink),var(--yellow));border-radius:inherit;transition:.25s ease}
.progress-text{font-weight:1000;color:var(--purple-dark);white-space:nowrap}
.board-actions{display:flex;gap:7px}
.small-btn{border:1px solid var(--line);background:#fff;border-radius:13px;min-height:42px;padding:0 12px;color:var(--purple-dark);font-weight:1000;box-shadow:var(--shadow-soft)}
.puzzle-board-wrap{position:relative;width:100%;aspect-ratio:4/3;border-radius:20px;overflow:hidden;background:#ece4f0;touch-action:none}
.puzzle-board-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.12;transition:.2s ease;pointer-events:none}
.puzzle-board-bg.hidden-hint{opacity:0}
.puzzle-board{position:absolute;inset:0;display:grid;gap:2px;padding:2px}
.puzzle-slot{position:relative;border:1px dashed rgba(82,35,111,.32);background:rgba(255,255,255,.28);overflow:hidden;transition:.15s ease}
.puzzle-slot.drop-target{background:rgba(255,216,91,.55);box-shadow:inset 0 0 0 3px rgba(255,174,0,.75)}
.puzzle-slot.wrong{animation:shake .32s ease}
.puzzle-piece-placed{width:100%;height:100%;background-repeat:no-repeat;animation:snapIn .24s ease;pointer-events:none}
@keyframes snapIn{from{transform:scale(.78);opacity:.35}to{transform:scale(1);opacity:1}}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.tray-panel h2{font-size:1.3rem;margin-bottom:6px}
.tray-panel p{font-size:.9rem;color:var(--ink-soft);line-height:1.4}
.pieces-tray{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-top:12px;max-height:640px;overflow:auto;padding:3px;overscroll-behavior:contain}
.puzzle-piece{border:3px solid transparent;border-radius:13px;background-color:#fff;background-repeat:no-repeat;box-shadow:var(--shadow-soft);aspect-ratio:var(--piece-ratio,1);touch-action:none;user-select:none;transition:transform .12s ease,border-color .12s ease,opacity .2s ease;position:relative}
.puzzle-piece:hover{transform:translateY(-2px)}
.puzzle-piece.selected{border-color:var(--pink);box-shadow:0 0 0 4px rgba(255,79,149,.15)}
.puzzle-piece.dragging{opacity:.28}
.piece-number{position:absolute;right:5px;bottom:5px;background:rgba(66,33,93,.82);color:#fff;font-weight:1000;border-radius:999px;font-size:.68rem;padding:3px 7px}
.drag-ghost{position:fixed;z-index:9999;pointer-events:none;border:3px solid #fff;border-radius:14px;box-shadow:0 18px 50px rgba(40,12,60,.35);background-repeat:no-repeat;transform:translate(-50%,-50%) scale(1.04);opacity:.94}
.empty-tray{padding:28px 12px;text-align:center;color:var(--green);font-weight:1000}
.start-overlay{position:absolute;inset:0;background:rgba(35,13,53,.38);backdrop-filter:blur(3px);z-index:5;display:flex;align-items:center;justify-content:center;padding:18px}
.start-card{width:min(430px,100%);background:#fff;border-radius:24px;padding:24px;text-align:center;box-shadow:var(--shadow)}
.start-card img{border-radius:16px;aspect-ratio:4/3;object-fit:cover;margin-bottom:16px}
.start-card h2{margin-bottom:8px}
.start-card p{color:var(--ink-soft)}
.preview-modal,.finish-modal,.pause-modal{position:fixed;inset:0;z-index:100;background:rgba(35,13,53,.72);display:flex;align-items:center;justify-content:center;padding:18px;backdrop-filter:blur(5px)}
.modal-card{width:min(620px,100%);background:#fff;border-radius:28px;padding:20px;box-shadow:0 30px 90px rgba(0,0,0,.3);text-align:center;max-height:94vh;overflow:auto}
.modal-card img{border-radius:20px;max-height:62vh;margin-inline:auto;object-fit:contain}
.finish-stars{font-size:2.8rem;letter-spacing:.2em;margin:4px 0 10px;animation:pop .5s ease}
@keyframes pop{0%{transform:scale(.5);opacity:0}70%{transform:scale(1.12)}100%{transform:scale(1);opacity:1}}
.finish-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:17px 0}
.finish-stat{background:#f7effd;border-radius:17px;padding:14px}
.finish-stat strong{display:block;font-size:1.35rem;color:var(--purple-dark)}
.confetti{position:fixed;inset:0;z-index:99;pointer-events:none;overflow:hidden}
.confetti i{position:absolute;top:-12px;width:10px;height:16px;border-radius:3px;animation:fall linear forwards}
@keyframes fall{to{transform:translate3d(var(--drift),110vh,0) rotate(840deg)}}
.toast{position:fixed;left:50%;bottom:22px;z-index:120;transform:translateX(-50%) translateY(20px);background:#3b174f;color:#fff;border-radius:999px;padding:12px 18px;font-weight:1000;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.2s ease;max-width:calc(100% - 28px);text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.resume-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff3bf;border:1px solid #f2d166;border-radius:18px;padding:13px 16px;margin-bottom:14px}
.resume-banner p{margin:0;color:#6b4a00;font-weight:900}
.placeholder-page{min-height:calc(100vh - var(--header-h));display:flex;align-items:center;justify-content:center;padding:32px 14px}
.placeholder-card{width:min(680px,100%);background:#fff;border:1px solid var(--line);border-radius:30px;padding:34px;text-align:center;box-shadow:var(--shadow)}
.placeholder-icon{font-size:4rem;margin-bottom:10px}

@media(max-width:900px){
  .main-nav{display:none}.mobile-menu-btn{display:inline-flex}.brand img{width:102px}
  .hero-card{min-height:auto;display:flex;flex-direction:column;background:#fff}.hero-card>img{position:relative;inset:auto;height:auto;aspect-ratio:4/3;object-fit:cover}.hero-overlay{display:none}.hero-copy{width:100%;padding:28px 24px}.hero-copy h1{font-size:2.55rem}.game-grid{grid-template-columns:1fr 1fr}.book-strip{grid-template-columns:1fr}.game-layout{grid-template-columns:1fr}.tray-panel{order:2}.pieces-tray{grid-template-columns:repeat(5,minmax(0,1fr));max-height:none}.setup-grid{grid-template-columns:1fr}.setup-actions{justify-content:flex-start}.thumb-list{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:620px){
  :root{--header-h:68px}.container{width:min(100% - 20px,1180px)}.site-header{height:var(--header-h)}.header-inner{gap:8px}.brand img{width:88px}.language-btn{min-height:42px;padding:0 10px}.mobile-menu-btn{min-width:42px;padding:0}.hero{padding-top:12px}.hero-card{border-radius:24px}.hero-copy{padding:22px 20px 24px}.eyebrow{font-size:.72rem}.hero-copy h1{font-size:2.13rem;line-height:1.02}.hero-copy p{font-size:1rem}.actions .btn{width:100%}.section{padding:27px 0}.game-grid{grid-template-columns:1fr}.game-card p{min-height:0}.parent-strip{flex-direction:column;align-items:flex-start}.footer-inner{flex-direction:column}.game-shell{width:calc(100% - 10px);margin-top:7px}.game-topbar{align-items:flex-start}.game-title{display:none}.status-pill{min-height:40px;padding:0 9px;font-size:.82rem}.game-topbar-right{gap:5px;justify-content:flex-end}.game-topbar-left{gap:5px}.back-btn{min-height:42px;padding:0 11px;font-size:.9rem}.setup-card{border-radius:22px;padding:15px}.thumb-list{grid-template-columns:repeat(3,1fr);gap:7px}.difficulty-row{gap:7px}.difficulty-btn{padding:9px 10px;font-size:.86rem}.setup-actions .btn{width:100%}.game-layout{gap:9px}.board-panel,.tray-panel{border-radius:20px;padding:8px}.board-toolbar{flex-wrap:wrap}.progress-wrap{width:100%}.board-actions{width:100%;display:grid;grid-template-columns:repeat(3,1fr)}.small-btn{padding:0 8px;font-size:.82rem}.puzzle-board-wrap{border-radius:14px}.pieces-tray{grid-template-columns:repeat(4,minmax(0,1fr));gap:7px}.puzzle-piece{border-radius:10px}.tray-panel h2{font-size:1.1rem}.piece-number{font-size:.58rem;padding:2px 5px}.finish-stats{grid-template-columns:1fr}.modal-card{border-radius:22px;padding:16px}.resume-banner{align-items:flex-start;flex-direction:column}.book-strip{padding:20px}.game-card-body{padding:17px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}