:root{--cream: #faf3e8;--cream-2: #f3e7d3;--terracotta: #c96f4a;--terracotta-dark: #a85436;--pink: #d9a0a8;--sage: #8fae8b;--accent: #0fa3b1;--cat-animals: var(--pink);--cat-bags: var(--terracotta);--cat-home: var(--sage);--cat-clothing: #9a7fb0;--cat-baby: #e6a6b8;--cat-basics: var(--accent);--cat-guides: #c9974a;--bg: var(--cream);--surface: #fffdf8;--surface-2: var(--cream-2);--text: #3b2e28;--text-muted: #7a6a60;--border: rgba(59, 46, 40, .13);--shadow: 0 12px 30px -12px rgba(88, 56, 40, .35);--shadow-sm: 0 6px 16px -10px rgba(88, 56, 40, .4);--primary: var(--terracotta);--primary-strong: var(--terracotta-dark);--primary-contrast: #fff8f0;--focus: #0fa3b1;--header-bg: rgba(250, 243, 232, .82);--radius: 20px;--radius-sm: 12px;--radius-lg: 28px;--font-heading: "Fredoka", "Trebuchet MS", "Segoe UI", system-ui, sans-serif;--font-body: "Nunito Sans", "Segoe UI", system-ui, -apple-system, sans-serif}[data-theme=dark]{--bg: #211a16;--surface: #2b231e;--surface-2: #352b24;--text: #f7efe4;--text-muted: #c3b3a6;--border: rgba(247, 239, 228, .14);--shadow: 0 14px 34px -14px rgba(0, 0, 0, .7);--shadow-sm: 0 8px 18px -10px rgba(0, 0, 0, .7);--primary: #e08b65;--primary-strong: #f0a17c;--primary-contrast: #2a1c14;--header-bg: rgba(33, 26, 22, .85)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #211a16;--surface: #2b231e;--surface-2: #352b24;--text: #f7efe4;--text-muted: #c3b3a6;--border: rgba(247, 239, 228, .14);--shadow: 0 14px 34px -14px rgba(0, 0, 0, .7);--shadow-sm: 0 8px 18px -10px rgba(0, 0, 0, .7);--primary: #e08b65;--primary-strong: #f0a17c;--primary-contrast: #2a1c14;--header-bg: rgba(33, 26, 22, .85)}}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}@media (prefers-reduced-motion: 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1.25rem}.library-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem}.library-empty{text-align:center;color:var(--text-muted);padding:3rem 1rem;font-size:1.05rem}.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}.card:hover,.card:focus-within{transform:translateY(-5px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--primary) 45%,var(--border))}.book-slot{position:relative;display:block;width:calc(100% - 2.3rem);aspect-ratio:2 / 3;margin:1rem 1.15rem 0;padding:0;border:0;border-radius:var(--radius-sm);overflow:hidden;background:var(--surface-2);cursor:pointer}.book-slot img{width:100%;height:100%;object-fit:cover;display:block;transition:opacity .3s ease}.book-slot.is-3d 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var(--cat-guides)}.card-title{font-size:1.15rem;margin:0}.card-title a{text-decoration:none}.card-title a:hover{color:var(--primary)}.card-desc{color:var(--text-muted);font-size:.92rem;margin:0;flex:1}.card-meta{display:flex;gap:.75rem;font-size:.82rem;color:var(--text-muted);font-weight:700}.card-meta span{display:inline-flex;align-items:center;gap:.3rem}.card-actions{display:flex;gap:.5rem;margin-top:.35rem}.card-actions .btn{flex:1}.basics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.25rem}.basic-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.6rem 1.4rem;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}.basic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.basic-symbol{display:inline-grid;place-items:center;min-width:48px;height:48px;padding:0 .6rem;border-radius:14px;background:color-mix(in srgb,var(--sage) 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0}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.footer-brand{font-family:var(--font-heading);font-weight:700;font-size:1.15rem;color:var(--primary);margin:0}.footer-note{margin:0;color:var(--text-muted);font-size:.95rem}.modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:grid;place-items:center;padding:1rem}.modal[hidden]{display:none}.modal-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#1e140e99;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-dialog{position:relative;width:min(1000px,96vw);max-height:92vh;display:flex;flex-direction:column;background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);box-shadow:0 30px 70px -25px #0009;overflow:hidden;animation:modal-in .22s ease}@keyframes modal-in{0%{opacity:0;transform:translateY(18px) scale(.98)}to{opacity:1;transform:none}}@media (prefers-reduced-motion: reduce){.modal-dialog{animation:none}}.modal-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.25rem;border-bottom:1px solid var(--border)}.modal-heading{display:flex;align-items:center;gap:.9rem;min-width:0}.modal-cover{width:44px;height:66px;border-radius:8px;flex:0 0 auto;background:var(--surface-2) center/cover no-repeat;border:1px solid var(--border)}.modal-header h2{font-size:1.15rem;margin:0}.modal-meta{margin:0;font-size:.85rem;color:var(--text-muted)}.modal-close{flex:0 0 auto;width:40px;height:40px;border-radius:50%;border:1px solid var(--border);background:var(--surface-2);font-size:1rem;transition:background-color .18s ease,transform .18s ease}.modal-close:hover{background:var(--primary);color:var(--primary-contrast);transform:rotate(90deg)}.modal-body{flex:1;min-height:0;display:flex;flex-direction:column;background:var(--surface-2)}.modal-body iframe{flex:1;width:100%;min-height:60vh;border:0;background:#fff}.modal-fallback{margin:0;padding:.6rem 1.25rem;font-size:.88rem;color:var(--text-muted);text-align:center}.modal-fallback a{color:var(--primary);font-weight:700}.modal-footer{display:flex;gap:.6rem;padding:1rem 1.25rem;border-top:1px solid var(--border);flex-wrap:wrap}.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}.reveal.is-visible{opacity:1;transform:none}@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none;transition:none}.btn,.card,.learn-step,.basic-card,.theme-toggle{transition:none}}@media (max-width: 860px){.learn-path,.about-grid{grid-template-columns:1fr}.site-nav{display:none}.header-inner{justify-content:space-between}}@media (max-width: 520px){body{font-size:1rem}.library-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem}.card-actions{flex-direction:column}.modal-dialog{max-height:96vh}.hero{min-height:auto}}