/* ============================================================
   ReadShelf — Main Stylesheet v3
   AdSense compliant · Book-first design
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;1,400;1,600&family=EB+Garamond:ital,wght@0,400;0,500;1,400&family=Inter:wght@300;400;500&display=swap');

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --cream:  #F7F3EE;
  --paper:  #FAF6F0;
  --ink:    #1A1410;
  --rust:   #9B3A1A;
  --gold:   #C4873A;
  --muted:  #7A6F63;
  --border: #E8DFD4;
  --card:   #FFFFFF;
  --dark:   #1A1410;
  --dark2:  #241C14;
  --sepia:  #F0EBE3;
}

html{scroll-behavior:smooth;overflow-x:hidden}
body{font-family:'Inter',sans-serif;background:var(--cream);color:var(--ink);min-height:100vh;font-size:15px;line-height:1.6;overflow-x:hidden;padding-top:50px}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
button,a,[onclick],.book-card,.genre-pill,.filter-tag,.toc-item,.nav-btn,.tb-btn{
  -webkit-tap-highlight-color:transparent;
  -webkit-touch-callout:none;
  user-select:none;
  touch-action:manipulation;
}
button:focus:not(:focus-visible),
a:focus:not(:focus-visible),
[onclick]:focus:not(:focus-visible){outline:none}

/* ── AdSense ad slot containers ─────────────────────────── */
/* These are placeholders — replace with real ad code later */
.ad-slot{display:none}
.ad-slot-banner{display:none}
.ad-slot-rect{display:none}
.ad-slot-inline{display:none}
.ad-wrap{display:none}
.ad-label{display:none}

/* ── Utilities ──────────────────────────────────────────── */
.container{width:100%;max-width:1100px;margin:0 auto;padding:0 20px}
.sec-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:16px}
.sec-title{font-family:'Playfair Display',serif;font-size:22px;color:var(--ink)}
.sec-link{font-size:12px;color:var(--rust);cursor:pointer;letter-spacing:0.02em}
.sec-link:hover{text-decoration:underline}
.spinner{width:28px;height:28px;border:2px solid var(--border);border-top-color:var(--gold);border-radius:50%;animation:spin 0.8s linear infinite;margin:0 auto 12px}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-msg{text-align:center;padding:40px 20px;color:var(--muted);font-size:14px}
.empty-msg{text-align:center;padding:40px 20px}
.empty-msg h3{font-family:'Playfair Display',serif;font-size:20px;margin-bottom:8px}
.empty-msg p{color:var(--muted);font-size:14px}

/* ── Buttons ────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;border-radius:4px;font-size:13px;font-family:'Inter',sans-serif;font-weight:500;cursor:pointer;transition:all 0.2s;border:none;letter-spacing:0.02em}
.btn-gold{background:var(--gold);color:#1a0800}
.btn-gold:hover{background:#b07530}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#2a1e14}
.btn-outline{background:transparent;color:var(--ink);border:1px solid var(--border)}
.btn-outline:hover{border-color:var(--ink);background:var(--sepia)}
.btn-ghost{background:transparent;color:rgba(255,255,255,0.65);border:1px solid rgba(255,255,255,0.15)}
.btn-ghost:hover{background:rgba(255,255,255,0.08);color:#fff}
.btn:disabled{opacity:0.4;cursor:not-allowed;pointer-events:none}

/* ── Navigation ─────────────────────────────────────────── */
body > nav,#main-nav{background:var(--dark);height:50px;display:flex;align-items:center;padding:0 22px;gap:16px;position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;border-bottom:1px solid rgba(255,255,255,0.07)}
.nav-logo{display:inline-flex;align-items:center;justify-content:center;cursor:pointer;text-decoration:none;flex-shrink:0;z-index:1002}
.nav-logo img{height:38px;width:38px;border-radius:8px;display:block}
.nav-title{position:absolute;left:50%;transform:translateX(-50%);font-family:'Playfair Display',serif;font-size:20px;font-weight:700;color:#fff;white-space:nowrap;line-height:1;z-index:1001;text-decoration:none}
.nav-title span{color:var(--gold)}
.nav-links{display:flex;gap:20px;align-items:center;margin-left:auto}
.nav-links a{font-size:12px;color:rgba(255,255,255,0.5);text-transform:uppercase;letter-spacing:0.1em;cursor:pointer;transition:color 0.2s;text-decoration:none}
.nav-links a:hover,.nav-links a.active{color:white}
.nav-links a.active{color:var(--gold)}
.nav-search{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.12);border-radius:20px;padding:0 14px;transition:border-color 0.2s}
.nav-search:focus-within{border-color:var(--gold)}
.nav-search input{background:transparent;border:none;outline:none;color:white;font-size:13px;font-family:'Inter',sans-serif;padding:7px 0;width:180px}
.nav-search input::placeholder{color:rgba(255,255,255,0.3)}
.nav-search svg{opacity:0.35;flex-shrink:0}
.nav-right{display:flex;gap:10px;align-items:center}

/* ── Book cover 3D effect ───────────────────────────────── */
.book-cover-3d{border-radius:2px 6px 6px 2px;position:relative;overflow:hidden;box-shadow:3px 5px 14px rgba(0,0,0,0.18);transition:all 0.22s;background:#3a2a1a}
.book-cover-3d:hover{transform:translateY(-5px) rotate(-0.5deg);box-shadow:5px 10px 22px rgba(0,0,0,0.22)}
.book-cover-3d img{width:100%;height:100%;object-fit:cover;display:block}
.book-cover-3d img.err{display:none}
.book-spine{position:absolute;left:0;top:0;bottom:0;width:6px;background:rgba(0,0,0,0.28);border-radius:2px 0 0 2px;z-index:1}
.book-gloss{display:none}
.book-title-bar{position:absolute;bottom:0;left:0;right:0;padding:22px 9px 9px;background:linear-gradient(to top,rgba(0,0,0,0.78),transparent);z-index:3}
.book-title-txt{font-family:'EB Garamond',serif;font-size:11px;color:#fff;line-height:1.35;display:block}

/* ── Book card ──────────────────────────────────────────── */
.book-card{cursor:pointer;min-width:0;max-width:150px;width:100%}
.book-card:hover .book-cover{transform:translateY(-5px) rotate(-0.5deg);box-shadow:5px 10px 22px rgba(0,0,0,0.22)}
.book-cover{height:190px;width:100%;aspect-ratio:2/3;border-radius:2px 6px 6px 2px;position:relative;overflow:hidden;box-shadow:3px 5px 14px rgba(0,0,0,0.18);transition:all 0.22s;background:#3a2a1a}
.book-cover img{width:100%;height:100%;object-fit:cover;display:block}
.book-cover-spine{position:absolute;left:0;top:0;bottom:0;width:6px;background:rgba(0,0,0,0.28);border-radius:2px 0 0 2px;z-index:1}
.book-title{font-size:13px;font-weight:500;line-height:1.35;margin-top:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.book-author{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.book-genre{font-size:10px;color:var(--rust);text-transform:uppercase;letter-spacing:0.05em;margin-top:2px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.book-card .book-cover-3d{height:190px;width:100%}
.book-card-meta{margin-top:8px}
.book-card-author{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.book-card-genre{font-size:10px;color:var(--rust);text-transform:uppercase;letter-spacing:0.05em;margin-top:2px;font-weight:500}
.book-open-overlay{position:fixed;inset:0;z-index:9997;background:rgba(26,20,16,0);pointer-events:none;transition:background .62s ease}
.book-open-overlay.on{background:radial-gradient(circle at center,rgba(245,212,160,.22),rgba(196,135,58,.12) 34%,rgba(26,20,16,.72) 78%)}
.book-open-clone{position:fixed;z-index:9998;border-radius:3px 8px 8px 3px;overflow:hidden;box-shadow:5px 12px 32px rgba(0,0,0,.28);pointer-events:none;transform-origin:0 0;transition:transform .62s cubic-bezier(.16,1,.22,1),box-shadow .62s ease,filter .62s ease,opacity .62s ease;perspective:900px}
.book-open-clone.on{box-shadow:18px 30px 72px rgba(0,0,0,.56),0 0 0 1px rgba(255,255,255,.1),0 0 48px rgba(196,135,58,.28);filter:saturate(1.08) contrast(1.04);opacity:.99}
.book-open-clone img{width:100%;height:100%;object-fit:cover;display:block}
.book-open-clone span{position:absolute;left:0;top:0;bottom:0;width:7px;background:rgba(0,0,0,.28);border-radius:3px 0 0 3px}
.book-open-pages{position:absolute;inset:4% 6% 4% 10%;border-radius:2px 7px 7px 2px;background:repeating-linear-gradient(90deg,#fff 0,#fff 8px,#f0e4cf 9px,#fff 13px);box-shadow:inset 12px 0 18px rgba(0,0,0,.12);opacity:0;transform:scaleX(.88);transform-origin:left center;transition:opacity .22s ease,transform .44s ease}
.book-open-pages strong{display:block;margin:12% 12% 5%;font-family:Georgia,serif;font-size:12px;color:#8b5a1a;text-align:center}
.book-open-pages small{display:block;margin:0 14% 7%;font-family:Georgia,serif;font-size:8px;letter-spacing:.12em;text-transform:uppercase;color:#6a5640;text-align:center}
.book-open-pages p{height:3px;margin:0 14% 7px;border-radius:2px;background:rgba(58,42,26,.22)}
.book-open-cover-face{position:absolute;inset:0;border-radius:3px 8px 8px 3px;overflow:hidden;transform-origin:left center;backface-visibility:hidden;transform-style:preserve-3d;box-shadow:inset 10px 0 16px rgba(0,0,0,.22)}
.book-open-cover-face::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.34),transparent 18%,rgba(255,255,255,.18) 54%,transparent)}
.book-open-clone.opening .book-open-pages{opacity:1;transform:scaleX(1)}
.book-open-clone.opening .book-open-cover-face{animation:bookCoverOpen .58s cubic-bezier(.18,.9,.2,1) forwards}
.book-open-clone.closing .book-open-cover-face{animation:bookCoverClose .32s ease-in forwards}
.book-open-clone.closing .book-open-pages{opacity:.45;transform:scaleX(.9)}
@keyframes bookCoverOpen{0%{transform:rotateY(0deg)}58%{transform:rotateY(-72deg) skewY(-1deg)}100%{transform:rotateY(-118deg) skewY(-2deg)}}
@keyframes bookCoverClose{0%{transform:rotateY(-118deg) skewY(-2deg)}100%{transform:rotateY(0deg)}}
@media(prefers-reduced-motion:reduce){.book-open-overlay,.book-open-clone{transition:none}}

/* ── Toast ──────────────────────────────────────────────── */
#toast-container{position:fixed;bottom:20px;right:20px;z-index:999;display:flex;flex-direction:column;gap:8px}
.toast{background:var(--dark);color:#fff;padding:9px 18px;border-radius:4px;font-size:13px;font-family:'Inter',sans-serif;border-left:3px solid var(--gold);animation:toastIn 0.25s ease}
@keyframes toastIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}

/* ============================================================
   HOME PAGE
   ============================================================ */
/* Hero */
.hero{background:var(--dark);padding:40px 20px 50px}
.hero-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center}
.hero-badge{font-size:10px;text-transform:uppercase;letter-spacing:0.14em;color:var(--gold);display:block;margin-bottom:10px}
.hero h1{font-family:'Playfair Display',serif;font-size:40px;color:#fff;line-height:1.15;margin-bottom:12px}
.hero h1 em{color:var(--gold);font-style:italic}
.hero-desc{font-size:15px;color:rgba(255,255,255,0.45);line-height:1.8;margin-bottom:22px;font-weight:300;max-width:480px}
.hero-btns{display:flex;gap:10px;flex-wrap:wrap}
.hero-stats{display:flex;gap:28px;margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,0.07)}
.stat-num{font-family:'Playfair Display',serif;font-size:24px;color:#fff;display:block}
.stat-lbl{font-size:10px;color:rgba(255,255,255,0.3);text-transform:uppercase;letter-spacing:0.07em}

/* Bookshelf */
.hero-shelf{display:flex;gap:7px;align-items:flex-end;padding-bottom:8px;position:relative}
.hero-shelf::after{content:'';position:absolute;bottom:0;left:-4px;right:-4px;height:8px;background:#5a3a20;border-radius:2px;box-shadow:0 3px 8px rgba(0,0,0,0.4)}
.shelf-book{border-radius:2px 5px 5px 2px;position:relative;cursor:pointer;transition:transform 0.2s;box-shadow:3px 4px 12px rgba(0,0,0,0.45)}
.shelf-book:hover{transform:translateY(-8px)}
.shelf-book-spine{position:absolute;left:0;top:0;bottom:0;width:5px;background:rgba(0,0,0,0.25);border-radius:2px 0 0 2px}
.shelf-book-title{position:absolute;bottom:6px;left:5px;right:5px;font-family:'EB Garamond',serif;font-size:8px;color:rgba(255,255,255,0.75);line-height:1.2}

/* Genre pills */
.genre-section{padding:28px 20px}
.genre-scroll{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;margin-top:14px}
.genre-scroll::-webkit-scrollbar{display:none}
.genre-pill{flex-shrink:0;background:#fff;border:1px solid var(--border);border-radius:6px;padding:12px 10px;cursor:pointer;text-align:center;transition:all 0.2s;width:108px;text-decoration:none;display:block}
.genre-pill:hover{border-color:var(--rust);background:var(--sepia)}
.genre-pill-icon{font-size:20px;margin-bottom:5px}
.genre-pill-name{font-family:'Playfair Display',serif;font-size:13px;color:var(--ink);display:block;margin-bottom:1px}
.genre-pill-count{font-size:10px;color:var(--muted)}

/* Book grids */
.home-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:14px}

/* Features */
.features-section{background:var(--dark);padding:36px 20px}
.features-inner{max-width:1100px;margin:0 auto}
.features-inner .sec-title{color:#fff;margin-bottom:24px}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feat-card{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.07);border-radius:6px;padding:20px}
.feat-icon{width:36px;height:36px;background:var(--gold);border-radius:4px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;font-size:16px}
.feat-card h3{font-family:'Playfair Display',serif;font-size:16px;color:#fff;margin-bottom:7px}
.feat-card p{font-size:13px;color:rgba(255,255,255,0.4);line-height:1.7;font-weight:300}

/* Reader mockup */
.reader-section{padding:36px 20px;background:var(--sepia)}
.reader-mock{background:#fff;border-radius:8px;box-shadow:0 8px 32px rgba(0,0,0,0.1);overflow:hidden;border:1px solid var(--border);max-width:720px;margin:16px auto 0}
.rm-bar{background:var(--dark);padding:10px 16px;display:flex;align-items:center;justify-content:space-between}
.rm-back{font-size:11px;color:rgba(255,255,255,0.4);font-family:'Inter',sans-serif}
.rm-title{font-family:'EB Garamond',serif;font-size:13px;color:rgba(255,255,255,0.55);font-style:italic}
.rm-ctrls{display:flex;gap:6px}
.rm-ctrl{font-size:10px;color:rgba(255,255,255,0.35);border:1px solid rgba(255,255,255,0.1);padding:3px 8px;border-radius:2px;font-family:'Inter',sans-serif}
.rm-prog{height:2px;background:rgba(255,255,255,0.08)}.rm-prog-fill{height:2px;background:var(--gold);width:28%}
.rm-body{padding:28px 48px 24px;background:#FAF6F0}
.rm-ph{display:flex;justify-content:space-between;padding-bottom:10px;border-bottom:1px solid rgba(0,0,0,0.07);margin-bottom:20px}
.rm-ph span{font-size:10px;color:var(--muted);font-family:'Inter',sans-serif}
.rm-ph span:first-child{font-family:'EB Garamond',serif;font-style:italic}
.rm-ch{font-size:9px;text-transform:uppercase;letter-spacing:0.14em;color:var(--gold);font-family:'Inter',sans-serif;font-weight:500;display:block;margin-bottom:5px}
.rm-cht{font-family:'Playfair Display',serif;font-size:17px;color:var(--ink);margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid rgba(0,0,0,0.07)}
.rm-txt{font-family:'EB Garamond',serif;font-size:17px;line-height:1.9;color:#2A2018}
.rm-txt p{text-indent:2em;margin-bottom:0}
.rm-txt p:first-of-type{text-indent:0}
.rm-txt p:first-of-type::first-letter{font-size:52px;line-height:0.85;float:left;margin:4px 8px 0 0;color:var(--gold);font-family:'Playfair Display',serif}
.rm-foot{display:flex;justify-content:space-between;padding:10px 48px;border-top:1px solid rgba(0,0,0,0.07);background:#FAF6F0}
.rm-foot-info{font-size:10px;color:var(--muted);font-family:'Inter',sans-serif}
.rm-foot-btns{display:flex;gap:6px}
.rm-foot-btn{font-size:11px;padding:5px 14px;border-radius:100px;border:1px solid var(--border);background:var(--cream);color:#5A4A3A;font-family:'Inter',sans-serif;cursor:pointer}
.rm-foot-btn.next{background:var(--gold);color:#1a0800;border-color:var(--gold);font-weight:500}

/* Site footer */
.site-footer{background:#100a04;padding:28px 20px 20px}
.footer-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:24px}
.footer-logo{font-family:'Playfair Display',serif;font-size:18px;color:#fff;display:block;margin-bottom:8px}
.footer-logo em{color:var(--gold);font-style:normal}
.footer-brand p{font-size:12px;color:rgba(255,255,255,0.3);line-height:1.7}
.footer-col h4{font-size:9px;text-transform:uppercase;letter-spacing:0.12em;color:rgba(255,255,255,0.25);margin-bottom:10px}
.footer-col a{display:block;font-size:12px;color:rgba(255,255,255,0.45);margin-bottom:6px;cursor:pointer;transition:color 0.2s;text-decoration:none}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.06);padding-top:16px;display:flex;justify-content:space-between;align-items:center;max-width:1100px;margin:0 auto}
.footer-bottom p{font-size:11px;color:rgba(255,255,255,0.22)}

/* ============================================================
   LIBRARY PAGE
   ============================================================ */
.lib-hero{background:var(--dark);padding:24px 20px;border-bottom:1px solid rgba(255,255,255,0.06)}
.lib-hero h1{font-family:'Playfair Display',serif;font-size:28px;color:#fff;margin-bottom:14px}
.search-wrap{display:flex;align-items:center;background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.12);border-radius:4px;padding:10px 16px;gap:10px;max-width:480px;transition:border-color 0.2s}
.search-wrap:focus-within{border-color:var(--gold)}
.search-wrap svg{color:rgba(255,255,255,0.3);flex-shrink:0}
.search-wrap input{border:none;background:transparent;font-family:'Inter',sans-serif;font-size:14px;width:100%;outline:none;color:#fff}
.search-wrap input::placeholder{color:rgba(255,255,255,0.28)}
.lib-body{padding:20px}
.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.filter-tag{padding:6px 16px;border-radius:100px;border:1px solid var(--border);font-size:12px;cursor:pointer;background:#fff;font-family:'Inter',sans-serif;transition:all 0.2s;color:var(--muted)}
.filter-tag:hover,.filter-tag.active{background:var(--rust);color:#fff;border-color:var(--rust)}
.results-count{font-size:12px;color:var(--muted);margin-bottom:14px}
.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,150px));gap:16px;justify-content:start}
.featured-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}
.load-more-wrap{text-align:center;padding:28px 0 8px}

/* ============================================================
   BOOK DETAIL PAGE
   ============================================================ */
.detail-hero{background:var(--dark);padding:28px 20px;border-bottom:1px solid rgba(255,255,255,0.06)}
.detail-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:200px 1fr;gap:28px;align-items:start}
.back-link{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:rgba(255,255,255,0.38);margin-bottom:18px;cursor:pointer;transition:color 0.2s;text-decoration:none;text-transform:uppercase;letter-spacing:0.06em}
.back-link:hover{color:rgba(255,255,255,0.75)}
.detail-cover{width:200px;height:280px;border-radius:2px 8px 8px 2px;overflow:hidden;position:relative;background:#3a2a1a;box-shadow:5px 10px 28px rgba(0,0,0,0.45);flex-shrink:0}
.detail-cover img{width:100%;height:100%;object-fit:cover}
.detail-info h1{font-family:'Playfair Display',serif;font-size:28px;color:#fff;line-height:1.2;margin-bottom:5px}
.detail-author{font-family:'EB Garamond',serif;font-size:17px;color:rgba(255,255,255,0.5);font-style:italic;margin-bottom:6px}
.detail-meta{font-size:11px;color:rgba(255,255,255,0.28);margin-bottom:16px;font-family:'Inter',sans-serif}
.detail-tags{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:20px}
.detail-tag{background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.1);padding:3px 12px;border-radius:100px;font-size:11px;color:rgba(255,255,255,0.45)}
.detail-actions{display:flex;gap:10px;flex-wrap:wrap}
.detail-body{padding:28px 20px}
.detail-body-inner{max-width:1100px;margin:0 auto}
.detail-body h2{font-family:'Playfair Display',serif;font-size:20px;margin-bottom:10px}
.detail-desc{font-size:15px;line-height:1.85;color:var(--muted);max-width:680px;margin-bottom:28px;font-weight:300}
.dl-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:12px;max-width:600px}
.dl-card{background:#fff;border:1px solid var(--border);border-radius:6px;padding:16px;display:flex;flex-direction:column;gap:3px}
.dl-card-name{font-family:'Playfair Display',serif;font-size:15px;font-weight:700}
.dl-card-desc{font-size:11px;color:var(--muted);margin-bottom:8px}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-hero{background:var(--dark);padding:40px 20px;text-align:center}
.about-hero h1{font-family:'Playfair Display',serif;font-size:36px;color:#fff;margin-bottom:10px}
.about-hero p{font-size:15px;color:rgba(255,255,255,0.4);max-width:520px;margin:0 auto;line-height:1.8;font-weight:300}
.about-body{padding:36px 20px}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;max-width:860px;margin:0 auto}
.about-block h2{font-family:'Playfair Display',serif;font-size:20px;margin-bottom:10px}
.about-block p{font-size:14px;color:var(--muted);line-height:1.85;font-weight:300}
.about-block ul{list-style:none;margin-top:10px}
.about-block ul li{font-size:14px;color:var(--muted);padding:6px 0;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px}
.about-block ul li::before{content:'';width:5px;height:5px;background:var(--gold);border-radius:50%;flex-shrink:0}

/* ============================================================
   READER PAGE — handled in reader.html inline styles
   ============================================================ */

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr}.hero-shelf{display:none}
  .hero h1{font-size:30px}
  .feat-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr;gap:20px}
  .about-grid{grid-template-columns:1fr}
  .detail-inner{grid-template-columns:1fr}
  .rm-body{padding:20px 24px 16px}
  .rm-foot{padding:10px 24px}
}
@media(max-width:600px){
  .hero h1{font-size:26px}
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-right{display:none}
  .nav-right .btn{display:none}
  #main-nav{padding:0 20px}
  .container{padding-left:20px;padding-right:20px}
  .lib-hero{padding-left:0;padding-right:0}
  .lib-body.container{padding-left:20px;padding-right:20px}
  .search-wrap{width:calc(100vw - 40px);max-width:calc(100vw - 40px)}
  .filter-bar{display:grid;grid-template-columns:repeat(3,max-content);width:calc(100vw - 40px);max-width:calc(100vw - 40px);overflow:hidden}
  .filter-tag{min-width:0}
  .sec-head{display:grid;grid-template-columns:minmax(0,1fr);align-items:flex-start;gap:6px;width:calc(100vw - 40px)}
  .sec-link{justify-self:start}
  .sec-title{min-width:0}
  .about-hero h1{font-size:30px;line-height:1.15}
  .about-hero p{width:310px;max-width:calc(100vw - 40px);padding:0}
  .about-body{padding-left:0;padding-right:0}
  .about-grid.container{width:100vw;max-width:100vw;padding-left:40px;padding-right:40px;margin:0}
  .about-block{min-width:0}
  .about-block h2,.about-block p,.about-block li{max-width:calc(100vw - 80px)}
  .about-block p,.about-block li{overflow-wrap:break-word}
  .footer-inner{grid-template-columns:1fr}
  .lib-grid{grid-template-columns:repeat(2,minmax(0,150px));justify-content:center}
  .home-grid{grid-template-columns:repeat(2,1fr)}
}

/* ── Hero Slider ─────────────────────────────────────────── */
.slider-section{background:var(--dark);padding:0;overflow:hidden;position:relative}
.slider-track{display:flex;transition:transform 0.5s cubic-bezier(0.4,0,0.2,1)}
.slide{min-width:100%;position:relative;padding:48px 20px 56px;display:flex;align-items:center}
.slide-bg{display:none}
.slide-inner{max-width:1100px;margin:0 auto;width:100%;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;position:relative;z-index:1}
.slide-badge{font-size:10px;text-transform:uppercase;letter-spacing:0.14em;color:var(--gold);display:block;margin-bottom:10px}
.slide-title{font-family:'Playfair Display',serif;font-size:36px;color:#fff;line-height:1.15;margin-bottom:10px}
.slide-title em{color:var(--gold);font-style:italic}
.slide-desc{font-size:14px;color:rgba(255,255,255,0.45);line-height:1.75;margin-bottom:20px;font-weight:300;max-width:460px}
.slide-btns{display:flex;gap:10px;flex-wrap:wrap}
.slide-book-covers{display:flex;gap:8px;align-items:flex-end}
.slide-cover{border-radius:2px 6px 6px 2px;position:relative;overflow:hidden;box-shadow:3px 6px 16px rgba(0,0,0,0.5);transition:transform 0.2s;cursor:pointer;flex-shrink:0}
.slide-cover:hover{transform:translateY(-6px)}
.slide-cover img{width:100%;height:100%;object-fit:cover;display:block}
.slide-cover-spine{position:absolute;left:0;top:0;bottom:0;width:5px;background:rgba(0,0,0,0.3);z-index:1}
.slide-cover-gloss{display:none}

/* Slider controls */
.slider-dots{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);display:flex;gap:7px;z-index:10}
.slider-dot{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,0.2);cursor:pointer;transition:all 0.2s;border:none;padding:0}
.slider-dot.on{background:var(--gold);width:22px;border-radius:4px}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:10;background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.1);color:rgba(255,255,255,0.5);width:36px;height:36px;border-radius:50%;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:all 0.2s}
.slider-arrow:hover{background:rgba(255,255,255,0.14);color:white}
.slider-arrow.prev{left:12px}
.slider-arrow.next{right:12px}

@media(max-width:700px){
  .slide-inner{grid-template-columns:1fr}
  .slide-book-covers{display:none}
  .slide-title{font-size:26px}
  .slider-arrow{display:none}
}

/* ── Mobile hamburger menu ──────────────────────────────── */
.nav-hamburger{
  display:flex;flex-direction:column;justify-content:space-between;
  width:28px;height:20px;background:none;border:none;cursor:pointer;
  padding:0;margin-left:10px;flex-shrink:0;
}
.nav-hamburger span{
  display:block;height:2px;width:100%;background:rgba(255,255,255,0.7);
  border-radius:2px;transition:all 0.3s;
}
#main-nav .nav-hamburger span{display:none}
.mobile-menu-trigger{
  display:flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  margin-left:8px;
  border:1px solid rgba(255,255,255,0.16);
  border-radius:4px;
  background:rgba(255,255,255,0.06);
  color:#fff;
  font-size:24px;
  line-height:1;
  cursor:pointer;
  flex-shrink:0;
}
.hamburger{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:4px;
  margin-left:auto;
}
.hamburger span{
  display:block;
  width:22px;
  height:2px;
  background:rgba(255,255,255,0.7);
  border-radius:2px;
  transition:all 0.3s;
}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
#mob-menu{
  display:none;
  position:sticky;
  top:50px;
  z-index:99;
  background:#241A10;
  flex-direction:column;
  border-bottom:1px solid rgba(255,255,255,0.07);
}
#mob-menu.open{display:flex}
#mob-menu a{
  padding:14px 20px;
  font-size:15px;
  color:rgba(255,255,255,0.7);
  border-bottom:1px solid rgba(255,255,255,0.05);
  transition:all 0.2s;
  text-decoration:none;
  display:flex;
  align-items:center;
  gap:10px;
}
#mob-menu a:hover{color:white;background:rgba(255,255,255,0.04)}
#mob-menu a.active{color:var(--gold)}
.mob-icon{width:22px;text-align:center;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.mob-search{
  display:flex;
  align-items:center;
  gap:10px;
  margin:12px 16px 14px;
  background:rgba(255,255,255,0.07);
  border:1px solid rgba(255,255,255,0.1);
  border-radius:20px;
  padding:0 14px;
}
.mob-search input{
  flex:1;
  background:transparent;
  border:none;
  outline:none;
  color:white;
  font-size:14px;
  font-family:'Inter',sans-serif;
  padding:11px 0;
}
.mob-search input::placeholder{color:rgba(255,255,255,0.3)}
.mob-search svg{opacity:0.35;flex-shrink:0}
.nav-hamburger.open span:nth-child(1){transform:translateY(9px) rotate(45deg)}
.nav-hamburger.open span:nth-child(2){opacity:0}
.nav-hamburger.open span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}

.nav-mobile-menu{
  display:none;flex-direction:column;
  background:#1A1410;border-bottom:1px solid rgba(255,255,255,0.08);
  position:sticky;top:58px;z-index:99;
}
.nav-mobile-menu.open{display:flex}
.nav-mobile-menu a{
  padding:14px 20px;font-size:15px;color:rgba(255,255,255,0.65);
  border-bottom:1px solid rgba(255,255,255,0.05);
  text-decoration:none;transition:all 0.2s;
}
.nav-mobile-menu a:hover{color:white;background:rgba(255,255,255,0.04);padding-left:26px}
.nav-mobile-menu a.active{color:var(--gold)}

/* ── Logo in nav ────────────────────────────────────────── */
.nav-logo img{height:38px;width:38px;border-radius:8px;display:block}

@media(max-width:768px){
  .nav-hamburger{display:flex}
  .hamburger{display:flex}
  .nav-links{display:none!important}
  .nav-search{display:none}
  #main-nav{height:40px}
  nav,
  body > nav,
  #main-nav{
    height:40px!important;
    padding:0 14px!important;
    position:fixed!important;
    top:0!important;
    left:0!important;
    right:0!important;
    width:100vw!important;
    max-width:100vw!important;
    box-sizing:border-box!important;
    overflow:hidden!important;
    z-index:1000!important;
  }
  body{padding-top:40px}
  body > nav .nav-logo img,
  #main-nav .nav-logo img{height:32px;width:32px}
  body > nav .nav-title,
  #main-nav .nav-title{font-size:18px}
  #mob-menu{
    position:fixed!important;
    top:40px!important;
    left:0!important;
    right:0!important;
    width:100vw!important;
    max-height:calc(100vh - 40px);
    overflow-y:auto;
    z-index:999!important;
  }
  nav .hamburger,
  body > nav .hamburger,
  #main-nav .hamburger{
    display:flex!important;
    position:static!important;
    top:auto!important;
    right:auto!important;
    left:auto!important;
    margin-left:auto!important;
    z-index:1001!important;
  }
}

/* ── Nav search wrap ──────────────────────────────────────── */
.nav-search-wrap{
  display:flex;align-items:center;gap:6px;
  background:rgba(255,255,255,0.07);
  border:1px solid rgba(255,255,255,0.12);
  border-radius:20px;overflow:hidden;
  padding:0 0 0 12px;
  transition:border-color 0.2s;
}
.nav-search-wrap:focus-within{border-color:var(--gold)}
.nav-search-wrap .nav-search{
  border:none;background:transparent;
  padding:7px 0;width:150px;
}
.nav-search-btn{
  background:var(--gold);color:#1a0800;
  border:none;padding:7px 14px;
  font-size:12px;font-weight:500;
  font-family:'Inter',sans-serif;
  cursor:pointer;white-space:nowrap;
  transition:background 0.2s;
}
.nav-search-btn:hover{background:#b07530}

/* ── Mobile menu improved ────────────────────────────────── */
.nav-mobile-menu{
  display:none;flex-direction:column;
  background:#1A1410;
  border-bottom:1px solid rgba(255,255,255,0.08);
  position:sticky;top:56px;z-index:99;
  box-shadow:0 4px 20px rgba(0,0,0,0.3);
}
.nav-mobile-menu.open{display:flex}
.nav-mobile-menu a{
  padding:14px 20px;font-size:15px;
  color:rgba(255,255,255,0.7);
  border-bottom:1px solid rgba(255,255,255,0.05);
  text-decoration:none;transition:all 0.2s;
  display:flex;align-items:center;gap:10px;
}
.nav-mobile-menu a:hover{color:white;background:rgba(255,255,255,0.05);padding-left:26px}
.nav-mobile-menu a.active{color:var(--gold)}
.mobile-search-wrap{
  display:flex;margin:12px 16px 16px;
  background:rgba(255,255,255,0.07);
  border:1px solid rgba(255,255,255,0.12);
  border-radius:8px;overflow:hidden;
}
.mobile-search-wrap input{
  flex:1;border:none;background:transparent;
  padding:12px 14px;color:white;
  font-size:14px;font-family:'Inter',sans-serif;outline:none;
}
.mobile-search-wrap input::placeholder{color:rgba(255,255,255,0.3)}
.mobile-search-wrap button{
  background:var(--gold);color:#1a0800;
  border:none;padding:12px 18px;
  font-size:13px;font-weight:500;
  font-family:'Inter',sans-serif;cursor:pointer;
}

@media(max-width:768px){
  .nav-search-wrap{display:none}
  .nav-hamburger{display:flex}
}
/* ── Fix hamburger always visible on mobile ──────────────── */
@media(max-width:768px){
  .nav-search-wrap{display:none!important}
  #main-nav{
    position:sticky;
    justify-content:flex-start;
    gap:18px;
    width:100vw;
    max-width:100vw;
    box-sizing:border-box;
    overflow:hidden;
  }
  #main-nav .nav-hamburger{
    display:flex!important;
    position:static;
    transform:none;
    margin-left:8px;
    z-index:150;
  }
  /* Fix slider on mobile */
  #hero-slider{width:100vw;overflow:hidden}
  #slider-track{width:100%}
  #slider-track > div{min-width:100vw!important;min-width:100%!important}
}
@media(min-width:769px){
  .nav-search-wrap{display:flex!important}
}

/* Mobile layout normalization */
@media(max-width:768px){
  nav .hamburger,
  body > nav .hamburger,
  #main-nav .hamburger{
    position:static!important;
    margin-left:auto!important;
    right:auto!important;
    left:auto!important;
    top:auto!important;
    flex-shrink:0;
  }

  .lib-grid,
  .home-grid{
    grid-template-columns:repeat(2,minmax(0,1fr))!important;
    justify-content:stretch!important;
    gap:14px;
  }

  .book-card{
    max-width:none;
    width:100%;
  }

  .book-cover,
  .book-card .book-cover-3d{
    height:auto;
    aspect-ratio:2/3;
  }
}