:root{
  --paper:#eef2e6;
  --paper-2:#e2e9d6;
  --leaf:#17361f;
  --leaf-soft:#35573c;
  --marigold:#f0a500;
  --hibiscus:#c8323c;
  --bark:#3b2a1e;
  --white:#fffdf6;
  --line:rgba(23,54,31,.18);
  --ui:"Manjari","Noto Sans Malayalam",system-ui,sans-serif;
  --display:"Rozha One","Noto Serif Malayalam",Georgia,serif;
  --ml:"Noto Serif Malayalam","Manjari",serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--leaf);font-family:var(--ui);font-size:18px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit}
:focus-visible{outline:3px solid var(--hibiscus);outline-offset:3px;border-radius:4px}
.wrap{width:min(1120px,100% - 40px);margin-inline:auto}

/* top bar */
.top{display:flex;align-items:center;justify-content:space-between;padding:18px 0}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--display);font-size:1.35rem}
.brand svg{width:34px;height:34px}
.top nav a{margin-left:22px;text-decoration:none;font-weight:600}
.top nav a:hover{text-decoration:underline;text-decoration-color:var(--marigold);text-decoration-thickness:3px;text-underline-offset:5px}

/* hero */
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:36px 0 64px}
.hero h1{margin:0;font-family:var(--ml);font-weight:800;font-size:clamp(3.2rem,9vw,6.4rem);line-height:1.15;letter-spacing:-.01em}
.hero .latin{font-family:var(--display);font-size:clamp(1.2rem,2.6vw,1.7rem);color:var(--hibiscus);margin:6px 0 20px}
.hero p{max-width:34ch;margin:0 0 28px;font-size:1.15rem}
.btn{display:inline-block;background:var(--leaf);color:var(--white);padding:13px 26px;border-radius:999px;text-decoration:none;font-weight:700;border:0;cursor:pointer;font:inherit;font-weight:700}
.btn:hover{background:var(--hibiscus)}
.btn.ghost{background:transparent;color:var(--leaf);border:2px solid var(--leaf)}
.btn.ghost:hover{background:var(--leaf);color:var(--white)}
.muttam{width:100%;max-width:460px;justify-self:center;aspect-ratio:1}
.muttam svg{width:100%;height:100%;display:block}
.muttam .spin{transform-origin:center;animation:turn 120s linear infinite}
@keyframes turn{to{transform:rotate(360deg)}}

/* library */
.lib{background:var(--leaf);color:var(--white);padding:56px 0 72px}
.lib-head{display:flex;flex-wrap:wrap;gap:20px;align-items:end;justify-content:space-between;margin-bottom:28px}
.lib h2{margin:0;font-family:var(--display);font-weight:400;font-size:clamp(1.9rem,4vw,2.8rem);line-height:1.1}
.search{position:relative}
.search input{font:inherit;width:min(300px,100%);padding:11px 18px;border-radius:999px;border:2px solid var(--leaf-soft);background:#0f2616;color:var(--white)}
.search input::placeholder{color:#a9c0ac}
.search input:focus{outline:none;border-color:var(--marigold)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.chip{font:inherit;font-size:.95rem;font-weight:600;padding:6px 16px;border-radius:999px;border:2px solid var(--leaf-soft);background:transparent;color:var(--white);cursor:pointer}
.chip[aria-pressed=true]{background:var(--marigold);border-color:var(--marigold);color:var(--leaf)}
.shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:34px 28px}
.book{display:block;text-decoration:none}
.cover{position:relative;aspect-ratio:3/4;overflow:hidden;border-radius:4px 14px 14px 4px;border-left:10px solid rgba(0,0,0,.35);box-shadow:6px 8px 0 rgba(0,0,0,.28);transition:transform .18s}
.book:hover .cover,.book:focus-visible .cover{transform:translate(-3px,-4px) rotate(-1deg)}
.cover svg{position:absolute;width:150%;left:-25%;bottom:-38%}
.cover b{position:absolute;left:16px;right:14px;top:16px;font-family:var(--ml);font-weight:800;font-size:1.3rem;line-height:1.3;color:var(--white);text-shadow:0 1px 0 rgba(0,0,0,.25)}
.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.book .by{margin:16px 0 0;font-weight:700}
.book .sum{margin:2px 0 0;font-size:.95rem;color:#c3d4c4;line-height:1.45}
.book .cat{margin:6px 0 0;font-size:.85rem;color:var(--marigold)}
.empty{grid-column:1/-1;color:#c3d4c4}

/* about + footer */
.about{padding:64px 0}
.about .wrap{max-width:720px}
.about h2{font-family:var(--display);font-weight:400;font-size:2rem;margin:0 0 12px}
footer{padding:26px 0 40px;border-top:1px solid var(--line);font-size:.95rem}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

@media (max-width:760px){
  .hero{grid-template-columns:1fr;padding-top:8px}
  .muttam{max-width:300px;order:-1}
  .shelf{grid-template-columns:repeat(2,1fr);gap:28px 18px}
  .cover b{font-size:1.05rem}
  body{font-size:17px}
}
@media (prefers-reduced-motion:reduce){.muttam .spin{animation:none}.cover{transition:none}html{scroll-behavior:auto}}

/* ---------- reader ---------- */
body.reader{--pg:#fff;--bg:#d9dfd0;--bar:var(--leaf);--bar-ink:var(--white);background:var(--bg)}
body.reader[data-theme=sepia]{--bg:#e6d9bd}
body.reader[data-theme=night]{--bg:#0d140f}
.rbar{position:sticky;top:0;z-index:5;background:var(--bar);color:var(--bar-ink);display:flex;align-items:center;gap:8px;padding:8px 14px}
.rbar a.back{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;text-decoration:none;font-size:1.4rem}
.rbar a.back:hover,.rbar button:hover{background:rgba(255,255,255,.14)}
.rtitle{flex:1;min-width:0;font-family:var(--ml);font-weight:700;font-size:1.05rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rbar button,.rbar .dl{font:inherit;color:inherit;background:transparent;border:0;min-width:40px;height:40px;padding:0 10px;border-radius:20px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;font-weight:700}
.rbar .dl{border:2px solid rgba(255,255,255,.4)}
#prog{position:sticky;top:56px;z-index:5;height:4px;background:rgba(0,0,0,.15)}
#prog i{display:block;height:100%;width:0;background:var(--marigold)}
#pages{padding:22px 12px 90px;overflow-x:auto}
.pg{background:var(--pg);margin:0 auto 18px;box-shadow:0 2px 14px rgba(0,0,0,.22);position:relative}
.pg canvas{display:block;width:100%;height:100%}
body.reader[data-theme=sepia] .pg canvas{filter:sepia(.45) contrast(.95)}
body.reader[data-theme=night] .pg canvas{filter:invert(.9) hue-rotate(180deg) contrast(.9)}
body.reader[data-theme=night]{color:#cfe0d0}
.pill{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);background:var(--leaf);color:var(--white);padding:6px 16px;border-radius:999px;font-weight:700;font-size:.95rem;box-shadow:0 4px 14px rgba(0,0,0,.3);z-index:6}
.note{max-width:520px;margin:60px auto;text-align:center;padding:0 20px}
.note.err a{color:var(--hibiscus);font-weight:700}