:root{--bg:#faf7f2;--paper:#fff;--ink:#1f1a17;--muted:#6f665e;--line:#e8e1d8;--accent:#b3412f;--accent-ink:#fff;--navy:#1f3a93;--soft:#f1ebe2;--gold:#d9a441;--radius:14px;--shadow:0 10px 30px rgba(31,26,23,.10);--font-head:"Fraunces",Georgia,serif;--font-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}
h1,h2,h3{font-family:var(--font-head);font-weight:600;line-height:1.15;margin:0}
h1{font-size:clamp(1.8rem,3.4vw,2.6rem)}h2{font-size:1.45rem;margin:2.2rem 0 .9rem}h3{font-size:1.15rem}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:1.5rem;padding:.7rem clamp(1rem,4vw,2.5rem);background:rgba(250,247,242,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:.5rem;font-family:var(--font-head);font-weight:700;font-size:1.3rem}.brand-mark{font-size:1.4rem}
.nav{display:flex;gap:.2rem;flex:1}.nav[hidden]{display:none}.nav a{padding:.45rem .8rem;border-radius:999px;color:var(--muted);font-weight:500}.nav a.active,.nav a:hover{background:var(--soft);color:var(--ink)}
.account{display:flex;align-items:center;gap:.6rem;min-height:40px}.avatar{width:32px;height:32px;border-radius:50%;object-fit:cover}.account .name{font-weight:600;font-size:.9rem}
.main{max-width:1100px;margin:0 auto;padding:1.5rem clamp(1rem,4vw,2.5rem) 4rem}
.footer{max-width:1100px;margin:0 auto;padding:1.5rem clamp(1rem,4vw,2.5rem) 3rem;color:var(--muted);font-size:.85rem;border-top:1px solid var(--line)}
.loading{color:var(--muted);padding:3rem 0;text-align:center}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.7rem 1.15rem;border-radius:999px;border:1px solid var(--line);background:var(--paper);font-weight:600;color:var(--ink)}
.btn:hover{border-color:var(--ink)}.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.btn.primary:hover{filter:brightness(.95)}
.btn.navy{background:var(--navy);color:#fff;border-color:var(--navy)}.btn.small{padding:.4rem .8rem;font-size:.85rem}.btn[aria-pressed=true]{background:var(--soft);border-color:var(--ink)}
.chips{display:flex;flex-wrap:wrap;gap:.5rem}.chip{display:inline-flex;align-items:center;gap:.35rem;padding:.35rem .75rem;border-radius:999px;background:var(--soft);font-size:.85rem;color:var(--ink);border:1px solid transparent}
.chip.select{cursor:pointer;background:var(--paper);border-color:var(--line)}.chip.select[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.meta{display:flex;flex-wrap:wrap;gap:.5rem 1.2rem;color:var(--muted);font-size:.92rem;margin:.8rem 0}.meta b{color:var(--ink)}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;font-weight:700;color:var(--accent)}
.hero{display:grid;grid-template-columns:260px 1fr;gap:2rem;align-items:start;background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:2rem;box-shadow:var(--shadow)}
.hero .lead{font-size:1.1rem;color:var(--ink);margin:.6rem 0 1rem}.actions{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1rem}
.cover{position:relative;aspect-ratio:2/3;width:100%;border-radius:10px;overflow:hidden;background:var(--soft);box-shadow:0 12px 24px rgba(0,0,0,.18)}
.cover img{width:100%;height:100%;object-fit:cover;display:block}
.cover-gen{display:flex;flex-direction:column;justify-content:space-between;padding:12% 10%;background:var(--bg-c,#b3412f);color:var(--fg-c,#fff)}
.cover-gen .cover-author{font-size:.65rem;letter-spacing:.14em;text-transform:uppercase;opacity:.85}
.cover-gen .cover-title{font-family:var(--font-head);font-weight:700;font-size:clamp(.9rem,1.6vw,1.5rem);line-height:1.08}
.cover-gen .cover-sym{align-self:center;width:38%;aspect-ratio:1;border-radius:50%;background:rgba(255,255,255,.22)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1.3rem 1rem}
.card{display:flex;flex-direction:column;gap:.5rem}.card .cover{box-shadow:0 8px 18px rgba(0,0,0,.14);transition:transform .2s}.card:hover .cover{transform:translateY(-3px)}
.card .t{font-weight:600;line-height:1.25}.card .a{color:var(--muted);font-size:.88rem}.card .o{font-size:.85rem;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.row{display:flex;gap:1rem;overflow-x:auto;padding-bottom:.6rem;scroll-snap-type:x mandatory}.row .card{min-width:150px;max-width:150px;scroll-snap-align:start}
.book-head{display:grid;grid-template-columns:220px 1fr;gap:2rem;align-items:start}
.section{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem 1.6rem;margin-top:1.2rem}
.learn{list-style:none;padding:0;margin:0;display:grid;gap:.5rem}.learn li{display:flex;gap:.7rem;padding:.75rem 1rem;background:var(--paper);border:1px solid var(--line);border-radius:12px}.learn li::before{content:"✓";color:var(--navy);font-weight:700}
.idea{display:grid;grid-template-columns:3rem 1fr;gap:1rem;padding:1.2rem 0;border-top:1px solid var(--line)}.idea:first-child{border-top:0}.idea .n{font-family:var(--font-head);font-size:1.6rem;color:var(--muted)}.idea p{margin:.5rem 0 0;white-space:pre-line}
.prose{white-space:pre-line}blockquote{margin:1rem 0;padding:.9rem 1.2rem;border-inline-start:4px solid var(--gold);background:var(--soft);border-radius:8px;font-family:var(--font-head);font-size:1.1rem}
.note{color:var(--muted);font-size:.85rem}
.player{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;margin-top:.8rem}.player progress{width:180px;height:8px}
.search{display:flex;gap:.6rem;margin:.5rem 0 1rem}.search input{flex:1;padding:.8rem 1rem;border-radius:999px;border:1px solid var(--line);font:inherit;background:var(--paper)}
.reader{max-width:720px;margin:0 auto;font-family:var(--font-head);font-size:var(--reader-size,1.15rem);line-height:1.7}.reader p{margin:0 0 1.2em}
.toolbar{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap;margin-bottom:1.2rem}
.form{display:grid;gap:1.4rem;max-width:640px}.form label{display:grid;gap:.4rem;font-weight:600}.form select,.form input[type=range]{font:inherit;padding:.6rem;border-radius:10px;border:1px solid var(--line);background:var(--paper)}
.empty{padding:2.5rem;text-align:center;color:var(--muted);background:var(--paper);border:1px dashed var(--line);border-radius:var(--radius)}
.why{margin-top:1rem;font-size:.9rem;color:var(--muted)}.why summary{cursor:pointer;color:var(--ink);font-weight:600}
.toast{position:fixed;bottom:1.2rem;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:.6rem 1rem;border-radius:999px;font-size:.9rem;opacity:0;transition:opacity .2s;pointer-events:none}.toast.show{opacity:1}
[dir=rtl] .nav{flex-direction:row-reverse}[dir=rtl] .idea{direction:rtl}
@media (max-width:760px){.hero,.book-head{grid-template-columns:1fr}.hero .cover,.book-head .cover{max-width:220px}.nav{gap:0;overflow-x:auto}.nav a{padding:.4rem .6rem;font-size:.9rem}.topbar{gap:.8rem}}

.login{min-height:70vh;display:grid;place-items:center}.login-card{max-width:440px;text-align:center;background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:2.6rem 2rem;box-shadow:var(--shadow);display:grid;gap:1rem;justify-items:center}
.login-card h1{font-size:2.2rem}.gsi{min-height:44px}