@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

:root {
  --cream: #FAF8F4;
  --white: #FFFFFF;
  --ink: #1A1A1A;
  --ink-light: #4A4A4A;
  --ink-faint: #8A8A8A;
  --accent: #C8873A;
  --accent-lt: #F0D9BE;
  --line: #E8E4DC;
  --card-bg: #FFFFFF;
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.10);
  --radius: 6px;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'DM Sans', sans-serif;
  --max-w: 1140px;
  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-sans); background: var(--cream); color: var(--ink); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

.announcement-bar { background: var(--ink); color: var(--cream); text-align: center; padding: 9px 24px; font-size: 0.78rem; letter-spacing: 0.08em; }

.site-header { background: var(--white); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 1000; box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }
.site-logo { font-family: var(--font-serif); font-size: 1.55rem; font-weight: 700; color: var(--ink); letter-spacing: -0.02em; flex-shrink: 0; }
.site-logo span { color: var(--accent); }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a { font-size: 0.875rem; font-weight: 400; color: var(--ink-light); padding: 6px 14px; border-radius: var(--radius); transition: color var(--transition), background var(--transition); white-space: nowrap; }
.main-nav a:hover, .main-nav a.active { color: var(--ink); background: var(--cream); }

.nav-dropdown { position: relative; }
.nav-dropdown > a::after { content: ' ▾'; font-size: 0.7em; opacity: 0.6; }
.dropdown-menu { display: none; position: absolute; top: calc(100% + 8px); left: 0; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-md); min-width: 220px; padding: 8px 0; z-index: 200; }
.nav-dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a { display: block; padding: 9px 18px; font-size: 0.85rem; color: var(--ink-light); border-radius: 0; transition: background var(--transition), color var(--transition); }
.dropdown-menu a:hover { background: var(--cream); color: var(--ink); }

.nav-search-btn { background: none; border: 1px solid var(--line); border-radius: var(--radius); padding: 7px 14px; cursor: pointer; font-size: 0.85rem; color: var(--ink-light); font-family: var(--font-sans); transition: border-color var(--transition); display: flex; align-items: center; gap: 6px; }
.nav-search-btn:hover { border-color: var(--ink); color: var(--ink); }

.hamburger { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }

/* Hero */
.hero { background: var(--white); border-bottom: 1px solid var(--line); padding: 72px 0 64px; text-align: center; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(200,135,58,0.07) 0%, transparent 70%); pointer-events: none; }
.hero-eyebrow { font-size: 0.75rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); font-weight: 500; margin-bottom: 20px; }
.hero h1 { font-family: var(--font-serif); font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 700; line-height: 1.18; color: var(--ink); max-width: 700px; margin: 0 auto 22px; letter-spacing: -0.02em; }
.hero h1 em { font-style: italic; color: var(--accent); }
.hero p { font-size: 1.05rem; color: var(--ink-light); max-width: 520px; margin: 0 auto 36px; font-weight: 300; }
.hero-cta { display: inline-flex; align-items: center; gap: 8px; background: var(--ink); color: var(--white); padding: 13px 30px; border-radius: var(--radius); font-size: 0.9rem; font-weight: 500; transition: background var(--transition), transform var(--transition); }
.hero-cta:hover { background: var(--accent); transform: translateY(-1px); }
.hero-stats { display: flex; justify-content: center; gap: 48px; margin-top: 52px; padding-top: 40px; border-top: 1px solid var(--line); }
.stat-item { text-align: center; }
.stat-number { font-family: var(--font-serif); font-size: 2rem; font-weight: 700; color: var(--ink); }
.stat-label { font-size: 0.78rem; color: var(--ink-faint); letter-spacing: 0.06em; text-transform: uppercase; margin-top: 4px; }

/* Section headers */
.section-header { margin-bottom: 40px; }
.section-eyebrow { font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); font-weight: 500; margin-bottom: 10px; }
.section-title { font-family: var(--font-serif); font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 700; color: var(--ink); letter-spacing: -0.02em; line-height: 1.25; }

/* Category tabs */
.categories-section { padding: 56px 0 16px; }
.category-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 28px; }
.cat-tab { padding: 8px 20px; border: 1px solid var(--line); border-radius: 40px; font-size: 0.83rem; font-weight: 400; color: var(--ink-light); cursor: pointer; background: var(--white); transition: all var(--transition); font-family: var(--font-sans); }
.cat-tab:hover, .cat-tab.active { background: var(--ink); color: var(--white); border-color: var(--ink); }

/* Book grid */
.books-section { padding: 32px 0 80px; }
.books-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(256px, 1fr)); gap: 28px; }

/* Book card */
.book-card { background: var(--card-bg); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: box-shadow var(--transition), transform var(--transition); display: flex; flex-direction: column; }
.book-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.book-card-image { position: relative; height: 220px; overflow: hidden; background: var(--cream); }
.book-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.book-card:hover .book-card-image img { transform: scale(1.04); }
.book-card-badge { position: absolute; top: 12px; left: 12px; background: var(--accent); color: var(--white); font-size: 0.68rem; font-weight: 500; padding: 3px 10px; border-radius: 40px; letter-spacing: 0.06em; text-transform: uppercase; }
.book-card-rating { position: absolute; bottom: 12px; right: 12px; background: rgba(255,255,255,0.95); border-radius: var(--radius); padding: 4px 10px; font-size: 0.8rem; font-weight: 600; color: var(--ink); display: flex; align-items: center; gap: 4px; }
.book-card-rating::before { content: '★'; color: var(--accent); }
.book-card-image-placeholder { width: 100%; height: 100%; background: linear-gradient(145deg, var(--cream), var(--accent-lt)); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; }
.book-card-image-placeholder span { font-size: 2.5rem; opacity: 0.35; }
.book-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.book-card-category { font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); font-weight: 500; margin-bottom: 8px; }
.book-card-title { font-family: var(--font-serif); font-size: 1.05rem; font-weight: 600; line-height: 1.3; color: var(--ink); margin-bottom: 6px; }
.book-card-author { font-size: 0.82rem; color: var(--ink-faint); margin-bottom: 14px; font-style: italic; }
.book-card-excerpt { font-size: 0.84rem; color: var(--ink-light); line-height: 1.6; flex: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.book-card-footer { padding: 14px 20px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; }
.read-more-link { font-size: 0.82rem; font-weight: 500; color: var(--accent); display: flex; align-items: center; gap: 5px; transition: gap var(--transition); }
.read-more-link:hover { gap: 9px; }
.read-more-link::after { content: '→'; }
.book-card-pages { font-size: 0.75rem; color: var(--ink-faint); }

/* Featured strip */
.featured-section { background: var(--ink); padding: 64px 0; }
.featured-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.featured-image { border-radius: var(--radius); overflow: hidden; height: 380px; background: rgba(255,255,255,0.05); }
.featured-image img { width: 100%; height: 100%; object-fit: cover; opacity: 0.85; }
.featured-image-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 4rem; opacity: 0.2; }
.featured-content { color: var(--cream); }
.featured-eyebrow { font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); font-weight: 500; margin-bottom: 18px; }
.featured-title { font-family: var(--font-serif); font-size: clamp(1.6rem, 2.8vw, 2.2rem); line-height: 1.2; margin-bottom: 18px; font-weight: 700; }
.featured-author { color: rgba(250,248,244,0.6); font-size: 0.9rem; margin-bottom: 20px; font-style: italic; }
.featured-desc { font-size: 0.95rem; line-height: 1.75; color: rgba(250,248,244,0.75); margin-bottom: 30px; }
.featured-link { display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: var(--white); padding: 12px 26px; border-radius: var(--radius); font-size: 0.88rem; font-weight: 500; transition: opacity var(--transition); }
.featured-link:hover { opacity: 0.88; }

/* Newsletter */
.newsletter-section { background: var(--accent-lt); border-top: 1px solid #E8D5BE; border-bottom: 1px solid #E8D5BE; padding: 64px 0; text-align: center; }
.newsletter-section h2 { font-family: var(--font-serif); font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; color: var(--ink); margin-bottom: 12px; }
.newsletter-section p { color: var(--ink-light); font-size: 0.95rem; margin-bottom: 30px; max-width: 440px; margin-left: auto; margin-right: auto; }
.newsletter-form { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.newsletter-form input { padding: 12px 20px; border: 1px solid var(--line); border-radius: var(--radius); font-size: 0.9rem; font-family: var(--font-sans); background: var(--white); color: var(--ink); width: 280px; outline: none; transition: border-color var(--transition); }
.newsletter-form input:focus { border-color: var(--accent); }
.newsletter-form button { padding: 12px 24px; background: var(--ink); color: var(--white); border: none; border-radius: var(--radius); font-size: 0.88rem; font-weight: 500; cursor: pointer; font-family: var(--font-sans); transition: background var(--transition); }
.newsletter-form button:hover { background: var(--accent); }

/* Footer */
.site-footer { background: var(--ink); color: rgba(250,248,244,0.7); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(250,248,244,0.1); }
.footer-brand .site-logo { color: var(--cream); margin-bottom: 16px; display: block; }
.footer-brand p { font-size: 0.85rem; line-height: 1.7; color: rgba(250,248,244,0.55); max-width: 260px; }
.footer-col h4 { font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cream); font-weight: 500; margin-bottom: 18px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: 0.85rem; color: rgba(250,248,244,0.55); transition: color var(--transition); }
.footer-col ul a:hover { color: var(--accent); }
.footer-bottom { padding: 20px 0; display: flex; align-items: center; justify-content: space-between; font-size: 0.78rem; color: rgba(250,248,244,0.35); flex-wrap: wrap; gap: 12px; }
.footer-bottom a { color: rgba(250,248,244,0.35); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--accent); }

/* Book detail */
.breadcrumb { padding: 16px 0; border-bottom: 1px solid var(--line); background: var(--white); font-size: 0.8rem; color: var(--ink-faint); }
.breadcrumb a { color: var(--ink-faint); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin: 0 8px; }

.book-hero { background: var(--white); padding: 52px 0; border-bottom: 1px solid var(--line); }
.book-hero-inner { display: grid; grid-template-columns: 280px 1fr; gap: 52px; align-items: start; }
.book-cover-placeholder { width: 100%; height: 380px; background: linear-gradient(145deg, var(--cream) 0%, var(--accent-lt) 100%); border-radius: var(--radius); box-shadow: var(--shadow-lg); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; border: 1px solid var(--line); }
.book-cover-placeholder .ph-icon { font-size: 3rem; opacity: 0.35; }
.book-cover-placeholder .ph-title { font-family: var(--font-serif); font-size: 1rem; font-weight: 600; color: var(--ink-light); text-align: center; padding: 0 20px; }
.book-cover-placeholder .ph-hint { font-size: 0.72rem; color: var(--ink-faint); text-align: center; padding: 0 20px; }

.book-meta-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.meta-badge { padding: 4px 12px; border-radius: 40px; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 500; }
.meta-badge.category { background: var(--accent-lt); color: var(--accent); }
.meta-badge.genre { background: var(--cream); color: var(--ink-light); border: 1px solid var(--line); }

.book-title-main { font-family: var(--font-serif); font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; line-height: 1.18; color: var(--ink); letter-spacing: -0.02em; margin-bottom: 10px; }
.book-author-main { font-size: 1rem; color: var(--ink-light); font-style: italic; margin-bottom: 20px; }
.book-author-main strong { font-style: normal; font-weight: 600; color: var(--ink); }

.rating-display { display: flex; align-items: center; gap: 10px; margin-bottom: 24px; }
.stars { color: var(--accent); font-size: 1.1rem; letter-spacing: 2px; }
.rating-number { font-family: var(--font-serif); font-size: 1.3rem; font-weight: 700; }
.rating-max { color: var(--ink-faint); font-size: 0.85rem; }

.book-tagline { font-size: 1.05rem; color: var(--ink-light); line-height: 1.7; margin-bottom: 28px; font-weight: 300; border-left: 3px solid var(--accent); padding-left: 18px; font-style: italic; }

.book-data-table { width: 100%; border-collapse: collapse; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: 0.875rem; }
.book-data-table th { background: var(--cream); padding: 12px 18px; text-align: left; font-weight: 500; color: var(--ink-faint); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; border-bottom: 1px solid var(--line); }
.book-data-table td { padding: 12px 18px; border-bottom: 1px solid var(--line); color: var(--ink); }
.book-data-table tr:last-child td { border-bottom: none; }
.book-data-table tr:nth-child(even) td { background: rgba(250,248,244,0.5); }

.book-content-area { display: grid; grid-template-columns: 1fr 300px; gap: 48px; padding: 52px 0 80px; align-items: start; }

.book-main-content h2 { font-family: var(--font-serif); font-size: 1.5rem; font-weight: 700; color: var(--ink); margin: 40px 0 16px; padding-bottom: 10px; border-bottom: 1px solid var(--line); letter-spacing: -0.01em; }
.book-main-content h2:first-child { margin-top: 0; }
.book-main-content p { font-size: 0.96rem; line-height: 1.85; color: var(--ink-light); margin-bottom: 18px; }
.book-main-content p strong { color: var(--ink); font-weight: 500; }

.content-image-wrap { margin: 32px 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.content-image-placeholder { width: 100%; height: 280px; background: linear-gradient(135deg, var(--cream) 0%, var(--accent-lt) 100%); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; }
.content-image-placeholder .pi-icon { font-size: 2.5rem; opacity: 0.3; }
.content-image-placeholder .pi-label { font-size: 0.82rem; color: var(--ink-faint); font-weight: 500; }
.content-image-placeholder .pi-hint { font-size: 0.72rem; color: var(--ink-faint); opacity: 0.75; max-width: 260px; text-align: center; }
.content-image-caption { background: var(--cream); padding: 10px 16px; font-size: 0.78rem; color: var(--ink-faint); font-style: italic; border-top: 1px solid var(--line); }

.key-points-list { margin: 6px 0 24px; }
.key-points-list li { display: flex; align-items: flex-start; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 0.93rem; color: var(--ink-light); line-height: 1.65; }
.key-points-list li:last-child { border-bottom: none; }
.key-points-list li::before { content: '◆'; color: var(--accent); font-size: 0.55rem; margin-top: 7px; flex-shrink: 0; }

.review-box { background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; margin: 32px 0; position: relative; }
.review-box::before { content: '"'; font-family: var(--font-serif); font-size: 5rem; color: var(--accent); opacity: 0.18; position: absolute; top: 8px; left: 20px; line-height: 1; }
.review-box-content { font-size: 0.96rem; line-height: 1.8; color: var(--ink-light); font-style: italic; position: relative; z-index: 1; }
.review-box-rating { margin-top: 18px; display: flex; align-items: center; gap: 10px; }
.review-stars { color: var(--accent); font-size: 1rem; }
.review-verdict { font-size: 0.82rem; font-weight: 600; color: var(--ink); }

/* Sidebar */
.book-sidebar { position: sticky; top: 84px; }
.sidebar-widget { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin-bottom: 24px; }
.sidebar-widget h3 { font-family: var(--font-serif); font-size: 1rem; font-weight: 600; color: var(--ink); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.author-widget-name { font-weight: 600; font-size: 0.9rem; color: var(--ink); margin-bottom: 8px; }
.author-widget-bio { font-size: 0.82rem; color: var(--ink-light); line-height: 1.6; }
.related-book-item { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); align-items: flex-start; }
.related-book-item:last-child { border-bottom: none; padding-bottom: 0; }
.related-book-thumb { width: 42px; height: 56px; background: var(--cream); border-radius: 3px; border: 1px solid var(--line); flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }
.related-book-info .rb-title { font-size: 0.83rem; font-weight: 500; color: var(--ink); line-height: 1.35; margin-bottom: 3px; }
.related-book-info .rb-author { font-size: 0.75rem; color: var(--ink-faint); font-style: italic; }
.related-book-info .rb-link { font-size: 0.75rem; color: var(--accent); margin-top: 4px; display: inline-block; }

/* Static pages */
.page-hero { background: var(--white); padding: 56px 0 48px; border-bottom: 1px solid var(--line); text-align: center; }
.page-hero h1 { font-family: var(--font-serif); font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; color: var(--ink); letter-spacing: -0.02em; margin-bottom: 14px; }
.page-hero p { font-size: 1rem; color: var(--ink-light); max-width: 500px; margin: 0 auto; }
.page-content { padding: 60px 0 80px; max-width: 760px; margin: 0 auto; }
.page-content h2 { font-family: var(--font-serif); font-size: 1.4rem; font-weight: 700; color: var(--ink); margin: 36px 0 14px; letter-spacing: -0.01em; }
.page-content h2:first-child { margin-top: 0; }
.page-content p { font-size: 0.95rem; line-height: 1.85; color: var(--ink-light); margin-bottom: 16px; }
.page-content ul { margin: 8px 0 20px 0; display: flex; flex-direction: column; gap: 8px; }
.page-content ul li { font-size: 0.93rem; color: var(--ink-light); padding-left: 20px; position: relative; line-height: 1.7; }
.page-content ul li::before { content: '—'; position: absolute; left: 0; color: var(--accent); }

/* Contact form */
.contact-form { display: flex; flex-direction: column; gap: 20px; margin-top: 32px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.82rem; font-weight: 500; color: var(--ink); }
.form-group input, .form-group textarea, .form-group select { padding: 12px 16px; border: 1px solid var(--line); border-radius: var(--radius); font-size: 0.9rem; font-family: var(--font-sans); color: var(--ink); background: var(--white); outline: none; transition: border-color var(--transition); }
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 140px; }
.form-submit-btn { padding: 13px 32px; background: var(--ink); color: var(--white); border: none; border-radius: var(--radius); font-size: 0.9rem; font-weight: 500; cursor: pointer; font-family: var(--font-sans); transition: background var(--transition); align-self: flex-start; }
.form-submit-btn:hover { background: var(--accent); }

/* AdSense slot placeholder */
.adsense-slot { background: var(--cream); border: 1px dashed #D4CFC6; border-radius: var(--radius); padding: 24px; text-align: center; font-size: 0.75rem; color: var(--ink-faint); letter-spacing: 0.06em; margin: 32px 0; min-height: 90px; display: flex; align-items: center; justify-content: center; }

/* Animations */
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
.fade-up { animation: fadeUp 0.5s ease both; }
.fade-up-d1 { animation-delay: 0.1s; }
.fade-up-d2 { animation-delay: 0.2s; }
.fade-up-d3 { animation-delay: 0.3s; }

/* Responsive */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .featured-inner { grid-template-columns: 1fr; gap: 32px; }
  .book-hero-inner { grid-template-columns: 220px 1fr; gap: 32px; }
  .book-content-area { grid-template-columns: 1fr; }
  .book-sidebar { position: static; }
}

@media (max-width: 680px) {
  .main-nav { display: none; }
  .main-nav.mobile-open { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--line); padding: 16px 24px; gap: 4px; box-shadow: var(--shadow-md); z-index: 999; }
  .hamburger { display: flex; }
  .hero-stats { gap: 24px; }
  .books-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 18px; }
  .book-hero-inner { grid-template-columns: 1fr; }
  .book-cover-placeholder { height: 260px; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 40px; }
}

/* ── Search Overlay (FIXED) ── */
.search-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(26,26,26,0.72);
  z-index: 9999;
  align-items: flex-start;
  justify-content: center;
  padding-top: 120px;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.search-overlay.open {
  display: flex !important;
}

.search-box {
  background: var(--white);
  border-radius: var(--radius);
  width: 90%;
  max-width: 560px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  animation: searchSlideIn 0.18s ease both;
}

@keyframes searchSlideIn {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.search-input-wrap {
  display: flex;
  align-items: center;
  padding: 18px 22px;
  gap: 14px;
  border-bottom: 1px solid var(--line);
}

.search-icon { color: var(--ink-faint); font-size: 1.1rem; flex-shrink: 0; }

.search-input-wrap input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 1.05rem;
  font-family: var(--font-sans);
  color: var(--ink);
  background: transparent;
}

.search-close-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ink-faint);
  font-size: 1.1rem;
  padding: 4px 6px;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
  flex-shrink: 0;
}

.search-close-btn:hover { background: var(--cream); color: var(--ink); }

.search-hint {
  padding: 14px 22px;
  font-size: 0.8rem;
  color: var(--ink-faint);
  font-family: var(--font-sans);
}

/* ── Real book cover images (card grid) ── */
.book-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.book-card:hover .book-card-image img {
  transform: scale(1.04);
}

/* Book detail page cover image */
.book-cover-main {
  display: block;
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}