:root{--bg:#faf8f4;--surface:#ffffff;--ink:#1f1c17;--muted:#6d675d;--line:#e6e1d7;--accent:#8a5a2b;--accent-ink:#ffffff;--badge-bg:#f0ebe1}@media (prefers-color-scheme:dark){:root{--bg:#17150f;--surface:#201d16;--ink:#ece7dd;--muted:#a39c8e;--line:#353026;--accent:#d0a05e;--accent-ink:#17150f;--badge-bg:#2b2820}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased}a{color:inherit}.container{max-width:62rem;margin:0 auto;padding:0 1.25rem}.site-header{border-bottom:1px solid var(--line);padding:2.5rem 0 1.75rem}.brand{margin:0;font-size:1.6rem;letter-spacing:.28em;font-weight:700;text-transform:uppercase}.brand a{text-decoration:none}.tagline{margin:.35rem 0 0;color:var(--muted);font-size:.95rem}main{padding:2.25rem 0 3.5rem}.section-title{font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 1.25rem}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(16rem,1fr));grid-gap:1rem;gap:1rem;padding:0;margin:0;list-style:none}.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:1.25rem 1.25rem 1.1rem;display:flex;flex-direction:column;gap:.55rem;transition:border-color .12s ease,transform .12s ease}.card:hover{border-color:var(--accent);transform:translateY(-2px)}.card a{text-decoration:none}.card-title{margin:0;font-size:1.12rem;line-height:1.3}.card-subtitle{margin:0;color:var(--muted);font-size:.86rem;flex:1 1}.card-meta{display:flex;align-items:baseline;justify-content:space-between;gap:.5rem;margin-top:.35rem}.price{font-weight:600;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.badges{display:flex;flex-wrap:wrap;gap:.4rem}.badge{display:inline-block;background:var(--badge-bg);border-radius:999px;padding:.15rem .6rem;font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);white-space:nowrap}.badge-lang{color:var(--accent)}.book-header{max-width:40rem}.book-title{margin:0 0 .4rem;font-size:2rem;line-height:1.15}.book-subtitle{margin:0 0 1.1rem;color:var(--muted);font-size:1.05rem}.spec-list{margin:1.5rem 0;padding:0;list-style:none;border-top:1px solid var(--line);max-width:26rem}.spec-list li{display:flex;justify-content:space-between;gap:1rem;padding:.55rem 0;border-bottom:1px solid var(--line);font-size:.93rem}.spec-list .spec-label{color:var(--muted)}.buy-button{display:inline-block;margin-top:1.25rem;background:var(--accent);color:var(--accent-ink);text-decoration:none;font-weight:600;padding:.7rem 1.5rem;border-radius:8px;transition:opacity .12s ease}.buy-button:hover{opacity:.88}.back-link{display:inline-block;margin-bottom:1.75rem;color:var(--muted);font-size:.9rem;text-decoration:none}.back-link:hover{color:var(--accent)}.site-footer{border-top:1px solid var(--line);padding:1.75rem 0 2.5rem;color:var(--muted);font-size:.83rem}.site-footer p{margin:.3rem 0}