@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;500;600;700;800&display=swap');

:root{--paper:#f6f1e7;--card:#fffcf6;--ink:#1f1c18;--ink-soft:#5f574c;--line:#ddd3c2;--accent:#9a4b2f;--shadow:0 20px 50px rgba(48,36,20,.10)}
@media(prefers-color-scheme:dark){:root{--paper:#17150f;--card:#211e17;--ink:#f1eadc;--ink-soft:#b5ab99;--line:#3a352b;--accent:#e0956f;--shadow:0 20px 50px rgba(0,0,0,.35)}}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--paper);color:var(--ink);font-family:Vazirmatn,Tahoma,sans-serif;line-height:1.9}
a{color:inherit}
a:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:3px}
h1,h2,h3,p{margin-top:0}
.skip-link{position:absolute;top:-70px;right:20px;background:var(--card);padding:8px 16px;z-index:10}.skip-link:focus{top:12px}
.masthead,main,.footer{width:min(1080px,100% - 32px);margin-inline:auto}
.masthead{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;padding:34px 0 22px;border-bottom:1px solid var(--line)}
.brand{font-weight:800;font-size:30px;text-decoration:none;line-height:1.3}
sup{color:var(--accent);font-size:.55em}
.brand-tagline{color:var(--ink-soft);font-size:14px}
main{flex:1}
.intro{padding:64px 0 46px;max-width:780px}
.intro h1{font-weight:800;letter-spacing:-1px;font-size:clamp(30px,5vw,48px);line-height:1.5;margin-bottom:18px}
.intro p{color:var(--ink-soft);font-size:16px}
.shelf h2{font-size:13px;letter-spacing:.3px;color:var(--accent);font-weight:700;margin-bottom:20px}
.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,460px),1fr));gap:24px}
.book-card{position:relative;display:grid;grid-template-columns:150px minmax(0,1fr);gap:24px;padding:22px;background:var(--card);border:1px solid var(--line);border-radius:6px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.book-card:hover,.book-card:focus-within{transform:translateY(-3px);box-shadow:0 26px 60px rgba(48,36,20,.16)}
.book-note{position:absolute;top:-11px;left:18px;width:24px;height:24px;display:grid;place-items:center;border-radius:50%;background:var(--accent);color:#fff;font-size:12px;font-weight:700}
.book-cover{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-height:210px;padding:18px 12px;border-radius:3px 8px 8px 3px;background:radial-gradient(circle at 50% 38%,var(--book-panel),var(--book-bg) 72%);color:var(--book-ink);text-align:center;box-shadow:inset -6px 0 0 rgba(0,0,0,.18)}
.book-mark{display:grid;place-items:center;width:42px;height:42px;border:1px solid var(--book-accent);border-radius:50%;color:var(--book-accent);font-size:22px}
.book-cover-title{font-weight:800;font-size:19px;line-height:1.5}
.book-cover-author{color:var(--book-accent);font-size:12px}
.book-body{display:flex;flex-direction:column;min-width:0}
.book-author{color:var(--ink-soft);font-size:12px}
.book-body h3{font-weight:800;font-size:24px;margin:2px 0 8px}
.book-link{text-decoration:none}
.book-link::after{content:"";position:absolute;inset:0;border-radius:6px}
.book-body p{color:var(--ink-soft);font-size:14px;margin-bottom:10px}
.book-meta{font-size:12px;color:var(--ink-soft)}
.book-parts{position:relative;z-index:1;display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.book-parts a{font-size:12px;text-decoration:none;padding:3px 12px;border:1px solid var(--line);border-radius:20px}
.book-parts a:hover{border-color:var(--accent);color:var(--accent)}
.book-cta{margin-top:auto;font-size:13px;font-weight:700;color:var(--accent)}
.shelf-note{margin-top:26px;font-size:13px;color:var(--ink-soft)}
.footer{padding:40px 0 30px;margin-top:60px;border-top:1px solid var(--line);font-size:12px;color:var(--ink-soft)}
@media(max-width:560px){.book-card{grid-template-columns:1fr}.book-cover{min-height:150px}.intro{padding:42px 0 32px}}
@media(prefers-reduced-motion:reduce){.book-card{transition:none}}