/* ── BOOK PAGE ── */
#book-hero {
  padding-top: var(--nav-h);
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.bh-inner {
  max-width: var(--max-w); margin: 0 auto;
  padding: 0 calc(var(--sp) * 4);
}

/* Breadcrumb */
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  padding: 16px 0; font-size: 12px; color: var(--muted);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--muted); text-decoration: none; transition: color .15s; }
.breadcrumb a:hover { color: var(--black); }
.breadcrumb-sep { color: var(--gray); font-size: 10px; }
.breadcrumb-current { color: var(--black); }

/* Hero layout */
.bh-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 64px;
  padding: 40px 0 64px;
  align-items: start;
}

/* Cover */
.bh-cover-wrap { position: relative; }
.bh-cover {
  width: 260px; aspect-ratio: 1/1.6;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0,0,0,.15);
  border-radius: 4px;
}
.bh-cover img {
  width: 100%; height: 100%; object-fit: cover;
  object-position: center top;
}
.bh-cover .cover-placeholder {
  width: 100%; height: 100%; border-radius: 4px;
}
.bh-new-badge {
  position: absolute; top: -10px; left: -10px;
  background: var(--sage); color: var(--white);
  font-size: 9px; letter-spacing: .18em; text-transform: uppercase;
  padding: 4px 12px; border-radius: 100px; font-weight: 500;
}

/* Info */
.bh-info { padding-top: 8px; }
.bh-genres { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.bh-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900; line-height: .95;
  letter-spacing: -.025em; color: var(--black);
  margin-bottom: 12px;
}
.bh-author {
  font-size: 13px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--sage-text); margin-bottom: 24px;
  text-decoration: none; border-bottom: 1px solid transparent;
  display: inline-block; transition: all .15s;
}
.bh-author:hover { border-bottom-color: var(--sage-text); }

/* Meta details */
.bh-meta {
  display: flex; gap: 24px; flex-wrap: wrap;
  padding: 16px 0; border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border); margin-bottom: 24px;
}
.bh-meta-item { }
.bh-meta-label {
  font-size: 9px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 3px;
}
.bh-meta-value { font-size: 14px; color: var(--black); font-weight: 400; }

.bh-desc {
  font-size: 16px; color: #3a3a3a; line-height: 1.85;
  font-weight: 300; margin-bottom: 32px; max-width: 580px;
  text-align: justify; text-align-last: left;
  hyphens: auto;
}

/* CTA row */
.bh-cta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 28px; }

/* Social share */
.bh-share {
  display: flex; align-items: center; gap: 10px;
  padding-top: 20px; border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.bh-share-label {
  font-size: 10px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--muted); margin-right: 4px;
}
.share-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border: 1px solid var(--border2);
  border-radius: 100px; font-size: 11px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted);
  cursor: pointer; transition: all .15s; text-decoration: none;
  background: var(--white); font-family: var(--sans);
}
.share-btn:hover { border-color: var(--black); color: var(--black); }
.share-btn.copied { border-color: var(--sage); color: var(--sage); }

/* ── QUOTE ── */
#book-quote {
  background: var(--black);
  padding: 60px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.bq-inner {
  max-width: 800px; margin: 0 auto;
  padding: 0 calc(var(--sp) * 4);
  text-align: center;
}
.bq-text {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-style: italic; font-weight: 400;
  color: rgba(255,255,255,.85); line-height: 1.5;
  margin-bottom: 16px;
}
.bq-attr {
  font-size: 11px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ondark-2);
}

/* ── EXCERPT ── */
#book-excerpt {
  padding: 80px 0;
  background: var(--cream);
  border-bottom: 1px solid var(--border);
}
.be-inner {
  max-width: var(--max-w); margin: 0 auto;
  padding: 0 calc(var(--sp) * 4);
  display: grid; grid-template-columns: 200px 1fr;
  gap: 80px; align-items: start;
}
.be-sidebar {
  position: sticky; top: calc(var(--nav-h) + 40px);
}
.be-label {
  font-size: 9px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--sage-text); margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.be-label::before { content:''; width:14px; height:1px; background:var(--sage); }
.be-sidebar-title {
  font-family: var(--serif); font-size: 1.3rem; font-weight: 700;
  line-height: 1.1; margin-bottom: 8px;
}
.be-sidebar-sub { font-size: 13px; color: var(--muted); line-height: 1.6; }
.be-text {
  font-size: 17px; line-height: 2; color: var(--black); font-weight: 300;
  font-family: var(--serif);
}
.be-text p + p { margin-top: 1.5em; }
.be-fade {
  background: linear-gradient(to bottom, transparent, var(--cream));
  height: 80px; margin-top: -80px; position: relative;
}

/* ── MORE BY AUTHOR / YOU MAY LIKE (shared style) ── */
#more-by-author, #you-may-like {
  padding: 60px 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
#you-may-like { background: var(--cream); border-bottom: none; }
.mba-inner {
  max-width: var(--max-w); margin: 0 auto;
  padding: 0 calc(var(--sp) * 4);
}
.mba-label {
  font-size: 11px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--sage-text); font-weight: 500;
  margin-bottom: 32px;
  padding-left: 32px; position: relative;
}
.mba-label:before {
  content: ''; position: absolute; left: 0; top: 50%;
  width: 20px; height: 1px; background: var(--sage);
}
.related-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.rcard {
  display: block; text-decoration: none; color: inherit;
  transition: transform .2s ease;
}
.rcard:hover { transform: translateY(-4px); }
.rcard-cover {
  width: 100%; aspect-ratio: 2/3;
  background: var(--white); border-radius: 4px;
  overflow: hidden; margin-bottom: 16px;
  box-shadow: 0 4px 12px rgba(0,0,0,.08);
  position: relative;
}
.rcard-cover img {
  width: 100%; height: 100%; object-fit: contain; display: block;
  transition: transform .4s cubic-bezier(.25,.46,.45,.94);
}
.rcard:hover .rcard-cover img { transform: scale(1.03); }
/* cover-backdrop dentro rcard */
.rcard-cover .cover-backdrop {
  width: 100%; height: 100%; position: relative;
}
.rcard-cover .cover-backdrop::before {
  content: ''; position: absolute; inset: 0;
  background: var(--cover-url) center/cover no-repeat;
  filter: blur(18px) saturate(1.2);
  opacity: .18; transform: scale(1.1); z-index: 0;
}
.rcard-cover .cover-main {
  position: relative; z-index: 1;
  width: 100%; height: 100%; object-fit: contain;
  transition: transform .4s cubic-bezier(.25,.46,.45,.94);
}
.rcard:hover .rcard-cover .cover-main { transform: scale(1.03); }
.rcard-cover-ph {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--sage) 0%, var(--black) 100%);
  display: flex; align-items: center; justify-content: center;
}
.rcard-cover-ph span {
  font-family: var(--serif); font-size: 2rem; font-weight: 700;
  color: var(--white); letter-spacing: .04em;
}
.rcard-title {
  font-family: var(--serif); font-size: 1rem; font-weight: 600;
  line-height: 1.35; color: var(--black);
  margin-bottom: 4px;
}
.rcard-author {
  font-size: 12px; color: var(--muted);
  text-transform: uppercase; letter-spacing: .08em;
}
@media (max-width: 700px) {
  .related-grid { grid-template-columns: 1fr; gap: 40px; }
  #more-by-author, #you-may-like { padding: 50px 0; }
}

/* ── REVIEWS ── */
#book-reviews {
  padding: 80px 0 100px;
  background: var(--cream);
}
.br-inner {
  max-width: var(--max-w); margin: 0 auto;
  padding: 0 calc(var(--sp) * 4);
  display: grid; grid-template-columns: 1fr 400px;
  gap: 80px; align-items: start;
}
.br-list { }
.br-item {
  padding: 24px 0; border-bottom: 1px solid var(--border);
}
.br-item:last-child { border-bottom: none; }
.br-meta {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 10px; flex-wrap: wrap;
}
.br-name { font-size: 14px; font-weight: 500; color: var(--black); }
.br-stars { color: #f59e0b; font-size: 13px; }
.br-badge {
  font-size: 10px; letter-spacing: .1em; text-transform: uppercase;
  padding: 2px 8px; border-radius: 100px;
}
.br-badge.reader { background:#f0fdf4;border:1px solid #86efac;color:#16a34a; }
.br-badge.arc    { background:#fef3c7;border:1px solid #fcd34d;color:#92400e; }
.br-badge.press  { background:#eff6ff;border:1px solid #93c5fd;color:#1d4ed8; }
.br-date { font-size: 11px; color: var(--muted); margin-left: auto; }
.br-text { font-size: 14px; color: #3a3a3a; line-height: 1.75; }
.br-empty { font-size: 14px; color: var(--muted); font-style: italic; }
.br-expand-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--sage-text);
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 10px 24px;
  border-radius: 100px;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}
.br-expand-btn:hover {
  background: var(--sage);
  border-color: var(--sage);
  color: var(--white);
}

/* Review form sidebar */
.br-form-wrap {
  position: sticky; top: calc(var(--nav-h) + 40px);
  background: var(--white); border: 1px solid var(--border);
  border-radius: 8px; overflow: hidden;
}
.br-form-header {
  padding: 20px 24px; border-bottom: 1px solid var(--border);
  background: var(--black);
}
.br-form-title {
  font-family: var(--serif); font-size: 1rem; font-weight: 700;
  color: var(--white);
}
.br-form-sub { font-size: 12px; color: var(--ondark-1); margin-top: 4px; }
.br-form-body { padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.br-field label {
  font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); display: block; margin-bottom: 5px;
}
.br-field input, .br-field textarea, .br-field select {
  width: 100%; background: var(--cream); border: 1px solid var(--border);
  padding: 9px 12px; font-family: var(--sans); font-size: 13px;
  border-radius: var(--radius); outline: none; transition: border-color .2s; color: var(--black);
}
.br-field input:focus, .br-field textarea:focus { border-color: var(--sage); background: var(--white); }
.br-field textarea { resize: vertical; min-height: 90px; line-height: 1.6; }
.br-stars-input { display: flex; gap: 4px; cursor: pointer; }
.br-stars-input span { font-size: 1.4rem; color: var(--gray); transition: color .1s; }
.br-form-footer { padding: 16px 24px; border-top: 1px solid var(--border); }
.br-success {
  display: none; padding: 20px 24px;
  background: #f0fdf4; border-top: 1px solid #86efac;
  color: #16a34a; font-size: 13px; line-height: 1.6;
}
.br-error {
  display: none; padding: 10px 14px; margin-bottom: 12px;
  background: #fef2f2; border: 1px solid #fca5a5;
  color: #dc2626; font-size: 12px; border-radius: 4px;
}

/* ── PDF PREVIEW MODAL ── */
#pdf-overlay {
  display: none; position: fixed; inset: 0; z-index: 9000;
  background: rgba(10,10,10,.96);
  flex-direction: column;
}
#pdf-overlay.open { display: flex; }
.pdf-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; background: #111; border-bottom: 1px solid #2a2a2a;
  flex-shrink: 0;
}
.pdf-toolbar-title {
  font-family: var(--serif); font-size: 1rem; font-weight: 600;
  color: rgba(255,255,255,.85); letter-spacing: -.01em;
}
.pdf-toolbar-right { display: flex; align-items: center; gap: 10px; }
.pdf-close-btn {
  background: transparent; border: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.6); padding: 6px 14px; border-radius: 100px;
  font-size: 12px; letter-spacing: .08em; text-transform: uppercase;
  cursor: pointer; font-family: var(--sans); transition: all .15s;
}
.pdf-close-btn:hover { border-color: rgba(255,255,255,.4); color: rgba(255,255,255,.9); }
.pdf-download-btn {
  background: var(--sage); border: none; color: var(--white);
  padding: 6px 16px; border-radius: 100px;
  font-size: 12px; letter-spacing: .08em; text-transform: uppercase;
  cursor: pointer; font-family: var(--sans); text-decoration: none;
  display: inline-flex; align-items: center; gap: 6px; transition: opacity .15s;
}
.pdf-download-btn:hover { opacity: .85; }
.pdf-frame-wrap {
  flex: 1; overflow: hidden; display: flex; justify-content: center;
  background: #1a1a1a; padding: 0;
}
.pdf-frame-wrap iframe {
  width: 100%; height: 100%; border: none;
  max-width: 900px; background: var(--white);
}
.pdf-footer {
  padding: 10px 20px; background: #111; border-top: 1px solid #2a2a2a;
  text-align: center; font-size: 11px; color: rgba(255,255,255,.25);
  letter-spacing: .06em; flex-shrink: 0;
}

/* ── RESPONSIVE PDF ── */
@media (max-width: 600px) {
  .pdf-toolbar-title { font-size: .85rem; max-width: 180px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .bh-layout { grid-template-columns: 1fr; }
  .bh-cover  { width: 180px; }
  .be-inner  { grid-template-columns: 1fr; }
  .be-sidebar { position: static; }
  .br-inner  { grid-template-columns: 1fr; }
  .br-form-wrap { position: static; }
}
@media (max-width: 600px) {
  .bh-layout { gap: 32px; }
  .bh-cover  { width: 140px; }
}