:root {
  --bg: #f7f3ea;
  --bg-soft: #efe7d8;
  --surface: #fffaf0;
  --text: #111111;
  --text-soft: #636363;
  --gold: #c8a96b;
  --gold-soft: #e7c98b;
  --border: rgba(200, 169, 107, 0.32);
  --glass: rgba(255, 255, 255, 0.78);
  --shadow: 0 12px 30px rgba(17, 17, 17, 0.08);
  --gold-shadow: 0 0 24px rgba(200, 169, 107, 0.16);
}

:root[data-theme='dark'] {
  --bg: #11140f;
  --bg-soft: #191d16;
  --surface: #20241c;
  --text: #f5f1e8;
  --text-soft: #c8c1b3;
  --border: rgba(212, 175, 55, 0.34);
  --glass: rgba(28, 31, 24, 0.9);
  --shadow: 0 14px 34px rgba(0, 0, 0, 0.32);
  --gold-shadow: 0 0 28px rgba(212, 175, 55, 0.13);
}

* { box-sizing: border-box; }
html, body, #root {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden !important;
}
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 8% -10%, rgba(231, 201, 139, 0.24) 0%, rgba(231, 201, 139, 0) 52%),
    radial-gradient(circle at 95% 0%, rgba(200, 169, 107, 0.16) 0%, rgba(200, 169, 107, 0) 46%),
    linear-gradient(145deg, #f7f3ea 0%, #efe7d8 56%, #e8decc 100%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

:root[data-theme='dark'] body {
  background:
    radial-gradient(circle at 8% -10%, rgba(212, 175, 55, 0.13), transparent 50%),
    radial-gradient(circle at 95% 0%, rgba(112, 132, 85, 0.14), transparent 45%),
    linear-gradient(145deg, #0e110d 0%, #171b14 56%, #11140f 100%);
}

*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: #f0e9df; }
*::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(200, 169, 107, 0.8), rgba(231, 201, 139, 0.7));
  border-radius: 999px;
}

a { color: inherit; text-decoration: none; }
main { padding: 28px; }

.glass {
  backdrop-filter: blur(10px);
  background: rgba(255, 250, 240, 0.74);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: 20px;
}

.topbar {
  position: sticky !important;
  top: 10px;
  z-index: 999999 !important;
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  gap: 28px;
  align-items: center;
  margin: 12px;
  padding: 16px 22px;
  border-bottom: 1px solid rgba(200, 169, 107, 0.38);
  box-shadow: 0 10px 28px rgba(17, 17, 17, 0.06), var(--gold-shadow);
  overflow: visible !important;
}
.header,
.site-header,
.navbar {
  position: relative !important;
  z-index: 999999 !important;
  overflow: visible !important;
}
.logo {
  flex: 0 0 auto;
  color: #111;
  min-width: max-content;
}
.logo,
.logo-wrapper {
  max-width: none;
}
.logo-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 5px;
  min-width: 0;
  line-height: 1;
}
.logo-title {
  display: block;
  color: #111;
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 2.8vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  white-space: nowrap;
}
.logo-subtitle {
  display: block;
  margin-top: 2px;
  color: #8a6a2f;
  font-family: 'Inter', sans-serif;
  font-size: clamp(0.9rem, 1.15vw, 1.15rem);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}
.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: #fff;
  color: #111;
  border-radius: 10px;
  height: 38px;
  width: 42px;
  cursor: pointer;
}
.topbar-nav {
  flex: 0 0 auto;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
  flex-wrap: nowrap;
  white-space: nowrap;
}
.topbar-nav a {
  padding: 8px 12px;
  border-radius: 12px;
  color: #1d1d1d;
  font-weight: 600;
  font-size: 0.92rem;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.topbar-nav a:hover {
  background: rgba(200, 169, 107, 0.14);
  transform: translateY(-1px);
}
.home-link,
.admin-link {
  border: 1px solid var(--border);
  background: rgba(200, 169, 107, 0.1);
}
.user-chip {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  border-radius: 999px;
  padding: 8px 12px;
  background: #fcf8f0;
  border: 1px solid var(--border);
  color: #383838;
}
.nav-logout {
  border: 1px solid #222;
  background: #111;
  color: #fff;
  border-radius: 12px;
  padding: 8px 12px;
  cursor: pointer;
  white-space: nowrap;
}
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 38px;
  padding: 7px 11px;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  background: var(--surface);
  cursor: pointer;
  white-space: nowrap;
}
.theme-toggle:hover {
  border-color: var(--gold);
  box-shadow: var(--gold-shadow);
}
.mobile-quick-nav {
  display: none !important;
}
.mobile-quick-nav a,
.mobile-quick-nav button {
  min-width: 0;
  min-height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(200, 169, 107, 0.36);
  background: rgba(255, 250, 240, 0.9);
  color: #151515;
  font: inherit;
  font-weight: 800;
  font-size: 0.86rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 8px 7px;
  line-height: 1.1;
  text-align: center;
  white-space: nowrap;
  box-shadow: 0 8px 20px rgba(17, 17, 17, 0.05);
}
.mobile-quick-nav a.active {
  background: #151515;
  color: #fffaf0;
  border-color: #151515;
}
.mobile-quick-nav button:hover,
.mobile-quick-nav a:hover {
  border-color: var(--gold);
  box-shadow: var(--gold-shadow);
}

:root[data-theme='dark'] .glass,
:root[data-theme='dark'] .topbar,
:root[data-theme='dark'] .book-card,
:root[data-theme='dark'] .library-toolbar,
:root[data-theme='dark'] .auth,
:root[data-theme='dark'] .admin,
:root[data-theme='dark'] .admin-item,
:root[data-theme='dark'] .admin-modal-card,
:root[data-theme='dark'] .user-profile-card,
:root[data-theme='dark'] .session-switch-card,
:root[data-theme='dark'] .book-detail-card,
:root[data-theme='dark'] .pdf-search-result {
  color: var(--text);
  background: rgba(30, 34, 26, 0.94) !important;
  border-color: var(--border) !important;
}
:root[data-theme='dark'] .logo,
:root[data-theme='dark'] .logo-title,
:root[data-theme='dark'] .topbar-nav a,
:root[data-theme='dark'] h1,
:root[data-theme='dark'] h2,
:root[data-theme='dark'] h3,
:root[data-theme='dark'] h4,
:root[data-theme='dark'] .book-meta h4,
:root[data-theme='dark'] .library-header-line h3,
:root[data-theme='dark'] .pdf-search-result-page {
  color: #f5f1e8;
}
:root[data-theme='dark'] p,
:root[data-theme='dark'] small,
:root[data-theme='dark'] .book-meta p,
:root[data-theme='dark'] .pdf-search-result-snippet,
:root[data-theme='dark'] .loading {
  color: #c8c1b3;
}
:root[data-theme='dark'] input,
:root[data-theme='dark'] select,
:root[data-theme='dark'] textarea,
:root[data-theme='dark'] .search-wrap input,
:root[data-theme='dark'] .library-toolbar input,
:root[data-theme='dark'] .library-toolbar select,
:root[data-theme='dark'] .admin-user-search-input input {
  color: #f5f1e8 !important;
  background: #12160f !important;
  border-color: var(--border) !important;
}
:root[data-theme='dark'] input::placeholder,
:root[data-theme='dark'] textarea::placeholder {
  color: #a9a294 !important;
}
:root[data-theme='dark'] .search-results,
:root[data-theme='dark'] .search-dropdown,
:root[data-theme='dark'] .search-suggestions,
:root[data-theme='dark'] .header-search .search-dropdown {
  color: #f5f1e8 !important;
  background: #1c2119 !important;
  border-color: var(--border) !important;
}
:root[data-theme='dark'] .search-result-item:hover,
:root[data-theme='dark'] .result-item:hover {
  background: rgba(212, 175, 55, 0.12) !important;
}
:root[data-theme='dark'] .user-chip,
:root[data-theme='dark'] .btn,
:root[data-theme='dark'] .book-fav-btn,
:root[data-theme='dark'] .menu-toggle,
:root[data-theme='dark'] .mobile-quick-nav a,
:root[data-theme='dark'] .mobile-quick-nav button {
  color: #f5f1e8;
  background: #24291f;
  border-color: var(--border);
}
:root[data-theme='dark'] .mobile-quick-nav a.active {
  color: #151515;
  background: var(--gold-soft);
  border-color: var(--gold-soft);
}
:root[data-theme='dark'] .background-ornaments {
  opacity: 0.45;
}
:root[data-theme='dark'] *::-webkit-scrollbar-track {
  background: #11140f;
}
:root[data-theme='dark'] .hero.hero-banner {
  display: block !important;
  opacity: 1 !important;
  filter: none !important;
  backdrop-filter: none;
  background-color: #120f0b !important;
  background-image: url('/capas/fundo.png') !important;
  background-size: cover !important;
  background-position: center center !important;
  background-repeat: no-repeat !important;
}

.search-wrap {
  flex: 1 1 620px;
  position: relative !important;
  width: 100%;
  max-width: 660px;
  min-width: 280px;
  padding: 13px 14px;
  background: #fffefb;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: inset 0 0 0 1px rgba(231, 201, 139, 0.18);
  z-index: 1000000 !important;
  overflow: visible !important;
}
.search-container,
.search-wrapper,
.header-search {
  position: relative !important;
  z-index: 1000000 !important;
  overflow: visible !important;
}
.header-search {
  position: relative !important;
  z-index: 999999 !important;
}
.search-icon {
  position: absolute;
  left: 12px;
  top: 15px;
  color: var(--gold);
}
.search-wrap input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: #111;
  padding-left: 30px;
  padding-right: 48px;
  font-size: 1.08rem;
}
.search-wrap input::placeholder { color: #987d4f; }
.search-wrap .premium-search-go {
  position: absolute;
  right: 8px;
  top: 9px;
  width: 38px;
  height: 38px;
  border-radius: 13px;
  border: 1px solid var(--border);
  background: #fffaf0;
  color: #7a6035;
  cursor: pointer;
}
.search-results {
  position: absolute !important;
  left: 0;
  right: 0;
  top: calc(100% + 10px) !important;
  z-index: 1000001 !important;
  background: #fffaf0;
  border: 1px solid rgba(200, 169, 107, 0.45);
  border-radius: 18px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
  max-height: 300px;
  overflow: auto;
}
.search-dropdown,
.search-suggestions {
  position: absolute !important;
  top: calc(100% + 10px) !important;
  left: 0 !important;
  right: 0 !important;
  z-index: 1000001 !important;
  overflow: visible !important;
}
.header-search .search-dropdown {
  position: absolute !important;
  top: calc(100% + 12px) !important;
  left: 0 !important;
  right: 0 !important;
  width: 100% !important;
  max-height: 360px !important;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  z-index: 1000000 !important;
  background: #fffaf0 !important;
  border: 1px solid rgba(200,169,107,.45) !important;
  border-radius: 18px !important;
  box-shadow: 0 22px 70px rgba(0,0,0,.22) !important;
  padding: 10px !important;
}
.header-search .search-result-item {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  width: 100% !important;
  padding: 10px !important;
  border-radius: 12px !important;
  cursor: pointer !important;
  overflow: hidden !important;
}
.header-search .search-result-item img {
  width: 46px !important;
  height: 62px !important;
  min-width: 46px !important;
  object-fit: cover !important;
  border-radius: 8px !important;
}
.header-search .search-result-title {
  font-size: 15px !important;
  line-height: 1.15 !important;
  font-weight: 700 !important;
  color: #111 !important;
  display: -webkit-box !important;
  -webkit-line-clamp: 2 !important;
  -webkit-box-orient: vertical !important;
  overflow: hidden !important;
}
.header-search .search-result-author {
  font-size: 13px !important;
  color: #666 !important;
  margin-top: 3px !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
}

.pdf-search-results {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 420px;
  overflow-y: auto;
  padding: 8px;
}

.pdf-search-result {
  width: 100%;
  display: block;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(200, 169, 107, 0.35);
  background: #fffaf0;
  cursor: pointer;
  box-sizing: border-box;
  text-align: left;
}

.pdf-search-result-page {
  font-weight: 700;
  font-size: 14px;
  color: #111;
  margin-bottom: 6px;
}

.pdf-search-result-snippet {
  font-size: 13px;
  line-height: 1.35;
  color: #555;
  white-space: normal;
  overflow-wrap: break-word;
  word-break: normal;
}

.pdf-search-result mark {
  background: #f1d27a;
  color: #111;
  padding: 0 3px;
  border-radius: 4px;
}

.pdf-search-result.active,
.pdf-search-result-item.active {
  border-color: #d6b36a;
  box-shadow: 0 0 0 2px rgba(214, 179, 106, .25);
}

.pdf-search-result-match {
  display: block;
  margin-top: 6px;
  color: #6f6252;
  font-size: .78rem;
  line-height: 1.35;
}

.pdf-search-box,
.pdf-search-panel {
  position: relative;
  display: block;
  width: 100%;
  overflow: visible;
}

.pdf-search-results {
  position: relative !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 10px !important;
  width: 100% !important;
  max-height: 320px !important;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  padding: 8px !important;
  margin-top: 12px !important;
  margin-bottom: 18px !important;
  box-sizing: border-box !important;
}

.pdf-search-result {
  position: relative !important;
  display: block !important;
  width: 100% !important;
  min-height: auto !important;
  height: auto !important;
  padding: 12px !important;
  border-radius: 14px !important;
  background: #fffaf0 !important;
  border: 1px solid rgba(200, 169, 107, 0.35) !important;
  box-sizing: border-box !important;
  overflow: hidden !important;
}

.pdf-search-result * {
  position: static !important;
  white-space: normal !important;
  line-height: 1.35 !important;
  overflow-wrap: break-word !important;
}

.pdf-search-result-page {
  display: block !important;
  font-weight: 700 !important;
  margin-bottom: 6px !important;
}

.pdf-search-result-snippet {
  display: block !important;
  font-size: 13px !important;
  color: #555 !important;
  line-height: 1.45 !important;
  min-height: 2.9em;
  max-height: 5.8em;
  overflow: hidden;
  display: -webkit-box !important;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
}
.library-search {
  position: relative;
}
.library-search .search-dropdown {
  position: absolute;
  top: calc(100% + 10px);
}
.search-results-portal {
  z-index: 1000001 !important;
  overflow: auto !important;
}
.result-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 10px;
  padding: 8px;
  align-items: center;
}
.result-item img {
  width: 42px;
  height: 58px;
  object-fit: cover;
  border-radius: 8px;
}

.hero {
  min-height: 380px;
  margin-bottom: 20px;
  position: relative !important;
  z-index: 1 !important;
  overflow: hidden;
  background-image: url('/capas/fundo.png');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  background-color: #120f0b;
  border: 1px solid rgba(200, 169, 107, 0.36);
  border-radius: 28px;
  box-shadow: 0 24px 58px rgba(17, 17, 17, 0.18), 0 0 36px rgba(200, 169, 107, 0.16);
}
.hero-banner {
  width: 100%;
}
.mobile-banner {
  display: none;
}
.mobile-banner img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}
.home-hero,
.featured-book,
.featured-section {
  position: relative !important;
  z-index: 1 !important;
}
.hero img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow), var(--gold-shadow);
}
.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 3.5vw, 3.1rem);
  margin: 0;
  color: #f8f7f4;
}
.hero p { color: #d8dde8; line-height: 1.55; }
.hero-info,
.featured-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-actions,
.featured-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.chip {
  display: inline-block;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.85rem;
  background: rgba(231, 201, 139, 0.18);
  color: #f4e5c5;
  border: 1px solid rgba(231, 201, 139, 0.28);
}

.btn-gold, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 12px;
  padding: 0 16px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn-gold {
  background: #111;
  color: #fff;
  border-color: #111;
}
.btn-gold:hover {
  background: linear-gradient(130deg, var(--gold), var(--gold-soft));
  color: #1f1a12;
  box-shadow: var(--gold-shadow);
  transform: translateY(-1px);
}
.btn {
  background: rgba(255, 250, 240, 0.94);
  color: #1a1a1a;
  border-color: rgba(231, 201, 139, 0.42);
}
.btn:hover {
  border-color: var(--gold);
  box-shadow: 0 8px 20px rgba(200, 169, 107, 0.14);
}

.library-toolbar {
  display: grid;
  grid-template-columns: 1fr 220px 220px;
  gap: 10px;
  padding: 12px;
  margin-bottom: 16px;
  background: #fff;
}
.library-toolbar input,
.library-toolbar select {
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  min-height: 44px;
  padding: 0 12px;
  color: #1d1d1d;
}
.premium-search { position: relative; display: flex; align-items: center; }
.premium-search-icon { position: absolute; left: 11px; color: #896a3b; }
.premium-search input { width: 100%; padding-left: 32px; padding-right: 70px; }
.premium-search-go {
  position: absolute;
  right: 34px;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  background: rgba(200, 169, 107, 0.2);
  color: #5f4720;
  display: grid;
  place-items: center;
}
.premium-search-clear {
  position: absolute;
  right: 8px;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  background: rgba(200, 169, 107, 0.2);
}

.library-header-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.library-header-line h3 {
  margin: 0;
  font-family: 'Playfair Display', serif;
  color: #181818;
  font-size: 1.45rem;
}
.library-header-line small,
.loading {
  color: #7c7c7c;
}
.book-meta mark {
  background: rgba(200, 169, 107, 0.22);
  color: #3a2d18;
  border-radius: 4px;
}

.library-grid,
.collections-grid {
  display: grid;
  gap: 14px;
}
.library-grid { grid-template-columns: repeat(auto-fill, minmax(178px, 1fr)); }
.collections-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.library-grid-wrap,
.shelf {
  background:
    linear-gradient(180deg, rgba(255, 252, 246, 0.75) 0%, rgba(246, 238, 224, 0.62) 100%);
  border-radius: 18px;
  padding: 12px;
}

.shelf { margin-bottom: 20px; }
.shelf h3 {
  margin: 6px 0 12px;
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
}

.row-scroll,
.book-row,
.carousel,
.books-carousel,
.section-books {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 10px;
}
.row-scroll::-webkit-scrollbar,
.book-row::-webkit-scrollbar,
.carousel::-webkit-scrollbar,
.books-carousel::-webkit-scrollbar,
.section-books::-webkit-scrollbar {
  display: none;
}

.book-card {
  flex: 0 0 auto;
  scroll-snap-align: start;
  width: 186px;
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(186, 191, 201, 0.8);
  box-shadow: 0 10px 26px rgba(135, 141, 155, 0.2), inset 0 0 0 1px rgba(255, 255, 255, 0.75);
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.book-card:hover {
  transform: translateY(-4px);
  border-color: rgba(210, 197, 172, 0.95);
  box-shadow: 0 18px 40px rgba(155, 161, 177, 0.26), 0 0 18px rgba(214, 186, 130, 0.16);
}
.book-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  image-rendering: auto;
  display: block;
  transition: transform 0.28s ease;
}
.book-card:hover img { transform: scale(1.03); }
.book-meta { padding: 10px; }
.book-meta h4 {
  margin: 0;
  color: #131313;
  font-family: 'Poppins', sans-serif;
  font-size: 0.95rem;
}
.book-meta p {
  margin: 4px 0 0;
  color: #8a8a8a;
  font-size: 0.88rem;
}

.fav-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 2;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.8);
  color: #999;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.2s ease;
}
.fav-btn.active {
  color: #6f5529;
  border-color: var(--gold);
  background: rgba(231, 201, 139, 0.88);
  box-shadow: 0 0 0 4px rgba(231, 201, 139, 0.3);
}

.collection-card {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 14px;
  padding: 12px;
}
.collection-card summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  list-style: none;
}
.collection-card summary::-webkit-details-marker { display: none; }
.collection-volumes {
  margin-top: 10px;
  display: grid;
  gap: 8px;
}
.collection-volume-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 8px;
  align-items: center;
  border-radius: 10px;
  border: 1px solid rgba(200, 169, 107, 0.2);
  background: #fdfaf4;
  padding: 6px;
}
.collection-volume-item img {
  width: 48px;
  height: 66px;
  object-fit: cover;
  border-radius: 8px;
}
.collection-volume-item p { margin: 2px 0 0; color: #7f7f7f; }

.book-page {
  display: grid;
  gap: 18px;
  padding: 20px;
  background: #fff;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
  box-sizing: border-box;
}
.book-detail-hero {
  display: grid;
  grid-template-columns: minmax(260px, 360px) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
  width: 100%;
}
.book-cover-area {
  width: 100%;
  max-width: 360px;
}
.book-cover-area img {
  width: 100%;
  max-width: 360px;
  height: auto;
  object-fit: contain;
  display: block;
}
.book-info-area {
  max-width: 760px;
  min-width: 0;
  padding-top: 20px;
}
.book-info-area h1 {
  margin-top: 0;
}
.book-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.book-page,
.book-detail,
.book-details,
.book-detail-page,
.book-hero,
.book-detail-card {
  max-width: 100%;
  overflow-x: hidden;
  box-sizing: border-box;
}
.book-cover-large {
  width: 280px;
  max-width: 100%;
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow), var(--gold-shadow);
}
.book-page h1 {
  margin: 0;
  font-family: 'Playfair Display', serif;
  color: #171717;
}
.book-page h2 { color: #775f35; font-weight: 600; margin: 6px 0; }
.book-page p { color: #646464; }
.access-blocked {
  max-width: 760px;
  margin: 48px auto;
  padding: 36px;
  text-align: center;
  display: grid;
  gap: 14px;
  border: 1px solid rgba(200, 169, 107, 0.35);
  background:
    radial-gradient(circle at top, rgba(231, 201, 139, 0.18), transparent 38%),
    #fffaf0;
}
.access-blocked .lock-icon {
  width: 74px;
  height: 74px;
  margin: 0 auto;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: #151515;
  color: #f1d27a;
  font-size: 2rem;
  box-shadow: 0 18px 45px rgba(200, 169, 107, 0.18);
}
.access-blocked h1 {
  margin: 0;
  font-family: 'Playfair Display', serif;
  color: #151515;
}
.access-blocked p {
  margin: 0;
  color: #5f564b;
}
.access-blocked .actions {
  justify-content: center;
}
.session-switch-card {
  justify-items: center;
  text-align: center;
  gap: 14px;
}
.session-switch-card .lock-icon {
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: #151515;
  color: #f1d27a;
  font-size: 1.8rem;
  box-shadow: 0 18px 45px rgba(200, 169, 107, 0.18);
}
.session-switch-card h1,
.session-switch-card p {
  margin: 0;
}
.session-switch-card small {
  color: #766b5d;
}
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.book-fav-btn {
  min-height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  color: #111;
  padding: 0 14px;
  cursor: pointer;
}
.book-fav-btn.active {
  color: #6f5529;
  border-color: var(--gold);
  background: #fcf5e5;
}

.reader {
  display: grid;
  grid-template-columns: 270px 1fr;
  gap: 14px;
}
.reader-page {
  transition: background-color 0.25s ease, color 0.25s ease;
}
.reader-page.dark {
  color: #f5f1e8;
  background: #111419;
  box-shadow: 0 0 0 100vmax #111419;
  clip-path: inset(0 -100vmax);
}
.reader-page.dark .reader-layout,
.reader-page.dark .pdf-display-area {
  background: #111419;
}
.reader-page.dark .reader-sidebar,
.reader-page.dark .reader-controls,
.reader-page.dark .pdf-controls,
.reader-page.dark .reader-toolbar,
.reader-page.dark .pdf-search-panel {
  color: #f5f1e8;
  background: #1b1f25 !important;
  border-color: rgba(231, 201, 139, 0.28) !important;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.34) !important;
}
.reader-page.dark .reader-sidebar h3,
.reader-page.dark .reader-sidebar p,
.reader-page.dark .reader-sidebar strong,
.reader-page.dark .reader-sidebar span {
  color: #f5f1e8;
}
.reader-page.dark .reader-sidebar button,
.reader-page.dark .reader-sidebar a,
.reader-page.dark .reader-controls button,
.reader-page.dark .reader-controls a,
.reader-page.dark .pdf-controls button,
.reader-page.dark .pdf-controls a,
.reader-page.dark .reader-toolbar button,
.reader-page.dark .reader-toolbar a {
  color: #f8f3e8 !important;
  background: #272c33 !important;
  border-color: rgba(231, 201, 139, 0.32) !important;
}
.reader-page.dark .reader-sidebar button:hover,
.reader-page.dark .reader-sidebar a:hover {
  color: #151515 !important;
  background: #e7c98b !important;
}
.reader-page.dark .reader-sidebar input,
.reader-page.dark .reader-sidebar select {
  color: #f5f1e8;
  background: #111419;
  border-color: rgba(231, 201, 139, 0.3);
}
.reader-page.dark .reader-progress-track {
  background: #343942;
}
.reader-page.dark .reader-canvas-wrap,
.reader-page.dark .pdf-viewer,
.reader-page.dark .pdf-canvas-wrapper,
.reader-page.dark .pdf-display-area {
  background: #171b20 !important;
  border-color: rgba(231, 201, 139, 0.24) !important;
}
.reader-page.dark .reader-canvas,
.reader-page.dark .pdf-canvas,
.reader-page.dark .pdf-frame,
.reader-page.dark .pdf-mobile-frame,
.reader-page.dark .pdf-fallback-frame {
  filter: invert(1) hue-rotate(180deg);
}
.reader-page:fullscreen,
.reader-page:-webkit-full-screen {
  width: 100vw;
  max-width: none;
  height: 100vh;
  max-height: none;
  padding: 18px;
  overflow: hidden;
  background: var(--bg);
}
.reader-page:fullscreen .reader-layout,
.reader-page:-webkit-full-screen .reader-layout {
  width: 100%;
  max-width: none;
  height: calc(100vh - 36px);
  max-height: none;
}
.reader-page:fullscreen .reader-controls,
.reader-page:-webkit-full-screen .reader-controls {
  top: 0;
  max-height: calc(100vh - 36px);
}
.reader-page:fullscreen .pdf-display-area,
.reader-page:fullscreen .reader-canvas-wrap,
.reader-page:-webkit-full-screen .pdf-display-area,
.reader-page:-webkit-full-screen .reader-canvas-wrap {
  max-width: none !important;
  height: calc(100vh - 36px) !important;
  max-height: none !important;
}
.reader-sidebar {
  position: sticky;
  top: 90px;
  height: fit-content;
  display: grid;
  gap: 8px;
  padding: 12px;
  background: #fff;
}
.reader-sidebar button,
.reader-sidebar a {
  min-height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  color: #171717;
  cursor: pointer;
}
.reader-sidebar input,
.reader-sidebar select,
.reader-sidebar textarea,
.reader-controls input,
.reader-controls select,
.reader-controls textarea,
.pdf-controls input,
.pdf-controls select,
.pdf-controls textarea {
  width: 100%;
  min-width: 0;
  border-radius: 12px;
  border: 1px solid rgba(200, 169, 107, 0.36);
  background: #fffdf8;
  color: #151515;
  padding: 9px 10px;
  box-sizing: border-box;
}
.reader-sidebar textarea,
.reader-controls textarea,
.pdf-controls textarea {
  resize: vertical;
  line-height: 1.45;
}
.reader-error-message {
  display: block;
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(160, 45, 45, 0.35);
  background: #fff2ee;
  color: #8b1d1d;
  line-height: 1.45;
  overflow-wrap: anywhere;
}
.reader-loading-active {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 44px;
  margin: 0 0 10px;
  color: #6f5529;
  font-weight: 800;
}
.reader-loading-active::before {
  content: "";
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 2px solid rgba(200, 169, 107, 0.28);
  border-top-color: #c8a96b;
  animation: readerSpin 0.8s linear infinite;
}
@keyframes readerSpin {
  to { transform: rotate(360deg); }
}
[data-render-status][hidden] {
  display: none !important;
}
[data-pdf-canvas][hidden] {
  display: none !important;
}
.reader-canvas-wrap {
  width: 100%;
  min-height: 56vh;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #fff;
  overflow: auto;
  display: block;
}
.reader-canvas {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  background: #fff;
}
.pdf-frame {
  width: 100%;
  min-height: 80vh;
  height: 80vh;
  border: 0;
  border-radius: 16px;
  background: #fff;
}
.pdf-mobile-frame {
  width: 100%;
  min-height: 82vh;
  height: 82vh;
  border: none;
  border-radius: 18px;
  background: #ffffff;
  display: block;
}
.reader-container,
.pdf-viewer,
.pdf-canvas-wrapper {
  width: 100%;
  min-height: 82vh;
  display: block;
  overflow: auto;
}
.reader-progress-track {
  width: 100%;
  height: 7px;
  border-radius: 999px;
  background: #efe5d4;
  overflow: hidden;
}
.reader-progress-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold), var(--gold-soft));
}

.auth,
.admin {
  max-width: 1020px;
  margin: auto;
  padding: 20px;
}
.auth {
  max-width: 430px;
  display: grid;
  gap: 10px;
  background: #fff;
}
.auth-wide {
  max-width: 760px;
}
.auth input,
.auth textarea,
.admin-search input,
.admin-item input,
.admin-editor-grid input,
.admin-editor-grid select,
.admin-editor-grid textarea {
  width: 100%;
  min-height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  color: #171717;
  padding: 8px 10px;
}
.auth textarea {
  resize: vertical;
  min-height: 96px;
}
.auth-form { display: grid; gap: 10px; }
.auth-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.access-choice {
  display: grid;
  gap: 12px;
}
.access-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.access-card {
  display: grid;
  gap: 6px;
  min-height: 120px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(200, 169, 107, 0.35);
  background: #fffaf0;
  color: #151515;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(200, 169, 107, 0.1);
  transition: all 0.2s ease;
  cursor: pointer;
  text-align: left;
  font: inherit;
}
.access-card span {
  color: #6f6659;
  line-height: 1.35;
  font-size: 0.92rem;
}
.access-card:hover,
.access-card.active {
  border-color: rgba(200, 169, 107, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 18px 45px rgba(200, 169, 107, 0.18);
}
.admin-access {
  background: #151515;
  color: #fffaf0;
}
.admin-access span {
  color: #eadcc3;
}
.auth-links,
.auth-role-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.auth-links a,
.auth-role-switch a {
  border-radius: 999px;
  border: 1px solid rgba(200, 169, 107, 0.45);
  padding: 8px 12px;
  color: #151515;
  text-decoration: none;
  background: #fffaf0;
}
.auth-role-switch a.active {
  background: #151515;
  color: #fffaf0;
  border-color: #151515;
}
.teacher-register-note {
  margin: 0;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(200, 169, 107, 0.35);
  background: #fffaf0;
  color: #5f564b;
  line-height: 1.45;
}
.welcome-page {
  min-height: calc(100vh - 140px);
  display: grid;
  place-items: center;
  padding: 24px;
}
.welcome-card {
  position: relative;
  width: min(720px, 100%);
  padding: clamp(28px, 6vw, 56px);
  text-align: center;
  overflow: hidden;
  border: 1px solid rgba(200, 169, 107, 0.35);
  background:
    radial-gradient(circle at 50% 0%, rgba(231, 201, 139, 0.22), transparent 36%),
    linear-gradient(135deg, #fffaf0 0%, #f7f1e6 100%);
  box-shadow: 0 22px 70px rgba(200, 169, 107, 0.18), 0 0 80px rgba(231, 201, 139, 0.12);
  animation: welcomeIn 0.8s ease both;
}
.welcome-orb {
  position: absolute;
  width: 170px;
  height: 170px;
  top: -70px;
  right: -50px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(200, 169, 107, 0.25), rgba(200, 169, 107, 0));
  animation: floatSlow 5s ease-in-out infinite;
}
.welcome-card h1 {
  margin: 4px 0 18px;
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.1rem, 7vw, 4.2rem);
  color: #151515;
  animation: welcomeTextIn 1s ease 0.15s both;
}
.welcome-card blockquote,
.welcome-verse {
  max-width: 560px;
  margin: 0 auto;
  color: #5f564b;
  font-size: clamp(1rem, 3vw, 1.25rem);
  line-height: 1.6;
  animation: welcomeTextIn 1.1s ease 0.45s both;
}
.welcome-fixed {
  margin: 24px 0 0;
  color: #151515;
  font-weight: 800;
  letter-spacing: 0.01em;
  animation: welcomeTextIn 1s ease 0.75s both;
}
.welcome-loader {
  display: inline-flex;
  gap: 7px;
  justify-content: center;
  margin-top: 22px;
  animation: welcomeTextIn 1s ease 1s both;
}
.welcome-loader span {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--gold);
  box-shadow: 0 0 18px rgba(200, 169, 107, 0.35);
  animation: welcomeDot 1.2s ease-in-out infinite;
}
.welcome-loader span:nth-child(2) { animation-delay: 0.16s; }
.welcome-loader span:nth-child(3) { animation-delay: 0.32s; }
.welcome-progress {
  height: 6px;
  margin-top: 28px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(200, 169, 107, 0.18);
}
.welcome-progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #111, var(--gold), var(--gold-soft));
  animation: welcomeProgress 10s linear forwards;
}
@keyframes welcomeIn {
  from { opacity: 0; transform: translateY(18px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes welcomeTextIn {
  from { opacity: 0; transform: translateY(10px); filter: blur(4px); }
  to { opacity: 1; transform: translateY(0); filter: blur(0); }
}
@keyframes welcomeDot {
  0%, 100% { opacity: 0.35; transform: translateY(0) scale(0.9); }
  50% { opacity: 1; transform: translateY(-4px) scale(1.08); }
}
@keyframes welcomeProgress {
  from { width: 0; }
  to { width: 100%; }
}
.google-btn {
  min-height: 44px;
  border-radius: 10px;
  border: 1px solid #ddd;
  background: #fff;
  color: #222;
  cursor: pointer;
  font-weight: 600;
}

.admin-list { display: grid; gap: 10px; }
.admin-item {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px;
  background: #fff;
}
.admin-item img {
  width: 60px;
  height: 82px;
  object-fit: cover;
  border-radius: 8px;
}

.admin-users-panel {
  display: grid;
  gap: 16px;
  margin: 24px 0;
  padding: 18px;
  border-radius: 24px;
  border: 1px solid rgba(200, 169, 107, 0.35);
  background: linear-gradient(135deg, #fffaf0 0%, #f7f0e2 100%);
  box-shadow: 0 16px 40px rgba(200, 169, 107, 0.12);
}
.admin-section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}
.admin-section-header h2 {
  margin: 0;
  font-family: 'Playfair Display', serif;
}
.admin-user-counters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}
.admin-user-counters span,
.role-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.82rem;
  font-weight: 700;
  border: 1px solid rgba(200, 169, 107, 0.35);
  background: #fff;
  color: #151515;
}
.role-badge.teacher {
  background: #151515;
  color: #fffaf0;
  border-color: #151515;
}
.role-badge.visitor {
  background: #f1dfbd;
  color: #2a2115;
}
.admin-user-searchbar {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(200, 169, 107, 0.28);
}
.admin-user-search-input {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 48px;
  border-radius: 16px;
  background: #fffdf8;
  border: 1px solid rgba(200, 169, 107, 0.36);
  box-shadow: inset 0 0 0 1px rgba(231, 201, 139, 0.14);
}
.admin-user-search-input span {
  position: absolute;
  left: 14px;
  color: #8a6a2f;
  font-weight: 800;
}
.admin-user-search-input input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  padding: 0 16px 0 42px;
  color: #151515;
  font-size: 0.98rem;
}
.admin-user-search-input input::placeholder {
  color: #9a845a;
}
.admin-user-filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: nowrap;
}
.admin-user-filter-tabs button {
  min-height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(200, 169, 107, 0.36);
  background: #fffaf0;
  color: #2a2115;
  font-weight: 800;
  padding: 0 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.admin-user-filter-tabs button:hover,
.admin-user-filter-tabs button.active {
  background: #151515;
  color: #fffaf0;
  border-color: #151515;
  transform: translateY(-1px);
}
.admin-user-search-count {
  margin: 0;
  color: #6f6659;
  font-size: 0.92rem;
  font-weight: 700;
  white-space: nowrap;
}
.admin-users-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}
.teacher-access-list {
  display: grid;
  gap: 12px;
}
.teacher-access-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 16px;
  border-radius: 20px;
  border: 1px solid rgba(200, 169, 107, 0.35);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.05);
}
.teacher-access-card h3 {
  margin: 8px 0 4px;
}
.teacher-access-card p,
.teacher-access-card small {
  display: block;
  margin: 4px 0;
  color: #5f564b;
  overflow-wrap: anywhere;
}
.teacher-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}
.status-pill {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.82rem;
  font-weight: 700;
  border: 1px solid rgba(200, 169, 107, 0.35);
}
.status-pill.active {
  background: #151515;
  color: #fffaf0;
}
.status-pill.pending {
  background: #f1dfbd;
  color: #2a2115;
}
.admin-user-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  min-height: 210px;
  padding: 16px;
  border-radius: 20px;
  border: 1px solid rgba(200, 169, 107, 0.35);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.05);
}
.admin-user-card h3 {
  margin: 10px 0 4px;
}
.admin-user-card p,
.admin-user-card small {
  display: block;
  margin: 4px 0;
  color: #5f564b;
  overflow-wrap: anywhere;
}
.muted {
  color: #6f6659;
}
.user-profile-card {
  padding: 16px;
  border-radius: 20px;
  background: #fffaf0;
  border: 1px solid rgba(200, 169, 107, 0.28);
}
.user-profile-card h2 {
  margin-top: 0;
}
.user-profile-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}
.user-profile-list div {
  padding: 12px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid rgba(200, 169, 107, 0.24);
}
.user-profile-list .full {
  grid-column: 1 / -1;
}
.user-profile-list dt {
  color: #766b5d;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.user-profile-list dd {
  margin: 4px 0 0;
  color: #151515;
  overflow-wrap: anywhere;
}

.user-activity-panel {
  margin-top: 18px;
  padding: 16px;
  border-radius: 20px;
  background: linear-gradient(135deg, #fffdf8 0%, #fff7e8 100%);
  border: 1px solid rgba(200, 169, 107, 0.32);
  box-shadow: 0 14px 32px rgba(17, 17, 17, 0.06);
}
.user-activity-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.user-activity-header h3,
.user-activity-section h4 {
  margin: 0;
  color: #151515;
}
.user-activity-sections {
  display: grid;
  gap: 14px;
}
.user-activity-section {
  padding: 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(200, 169, 107, 0.22);
}
.activity-book-list {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}
.activity-book-card {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 10px;
  border-radius: 14px;
  background: #fffaf0;
  border: 1px solid rgba(200, 169, 107, 0.24);
}
.activity-book-card img {
  width: 52px;
  height: 72px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid rgba(200, 169, 107, 0.32);
}
.activity-book-card strong,
.activity-book-card span,
.activity-book-card small {
  display: block;
  min-width: 0;
  overflow-wrap: anywhere;
}
.activity-book-card strong {
  color: #151515;
  line-height: 1.2;
}
.activity-book-card span {
  margin-top: 3px;
  color: #6f6659;
  font-size: 0.9rem;
}
.activity-book-card small {
  margin-top: 4px;
  color: #766b5d;
  font-size: 0.82rem;
}
.empty-activity {
  margin: 8px 0 0;
  color: #766b5d;
}

.admin-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(17, 17, 17, 0.35);
  z-index: 9998;
  padding: 16px;
}
.admin-modal-positioner {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 9999;
  pointer-events: none;
}
.admin-modal-card {
  pointer-events: auto;
  width: min(920px, calc(100vw - 24px));
  max-height: 90vh;
  overflow-y: auto;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid var(--border);
  background: #fff;
  box-shadow: var(--shadow), var(--gold-shadow);
}

.background-ornaments {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.ornament {
  position: absolute;
  opacity: 0.55;
  animation: floatSlow 18s ease-in-out infinite;
}
.ornament.circle {
  border-radius: 999px;
  border: 1px solid rgba(200, 169, 107, 0.12);
  background: rgba(231, 201, 139, 0.08);
}
.ornament.glow {
  border-radius: 999px;
  background: radial-gradient(circle, rgba(231, 201, 139, 0.16) 0%, rgba(231, 201, 139, 0) 70%);
}
.ornament.line {
  height: 1px;
  background: linear-gradient(90deg, rgba(200,169,107,0), rgba(200,169,107,0.22), rgba(200,169,107,0));
}
.ornament.dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.04);
}
.c1 { width: 220px; height: 220px; top: 12%; left: -40px; }
.c2 { width: 160px; height: 160px; bottom: 12%; right: 4%; animation-delay: -8s; }
.g1 { width: 280px; height: 280px; top: 26%; right: -70px; }
.g2 { width: 220px; height: 220px; bottom: 18%; left: 8%; animation-delay: -6s; }
.l1 { width: 180px; top: 20%; left: 36%; }
.l2 { width: 220px; bottom: 24%; right: 28%; animation-delay: -10s; }
.d1 { top: 48%; left: 14%; }
.d2 { top: 62%; right: 16%; animation-delay: -12s; }
@keyframes floatSlow {
  0% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(-8px) translateX(4px); }
  100% { transform: translateY(0) translateX(0); }
}

.app-shell > *:not(.background-ornaments) {
  position: relative;
  z-index: 1;
  overflow: visible;
}
.admin-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.admin-modal-header h3 {
  margin: 0;
  font-family: 'Playfair Display', serif;
}
.admin-editor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.admin-editor-grid .full { grid-column: 1 / -1; }
.admin-radio-group {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  display: grid;
  gap: 8px;
}
.admin-radio-group legend {
  padding: 0 6px;
  font-weight: 800;
}
.admin-radio-group label {
  display: flex;
  align-items: center;
  gap: 8px;
}
.admin-radio-group input[type="radio"] {
  width: auto;
  min-height: auto;
}
.admin-cover-preview img {
  width: 130px;
  height: 185px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--border);
  margin-right: 10px;
}

.skeleton-card {
  height: 320px;
  background: linear-gradient(120deg, #f7f3eb, #fcf8f0, #f7f3eb);
  animation: pulse 1.2s ease-in-out infinite;
}
@keyframes pulse {
  0% { opacity: .5; }
  50% { opacity: 1; }
  100% { opacity: .5; }
}

@media (max-width: 980px) {
  main { padding: 14px; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; justify-self: end; }
  .topbar {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    margin: 8px;
    padding: 10px;
  }
  .logo { justify-self: start; }
  .logo-wrapper {
    gap: 4px;
  }
  .logo-title {
    font-size: clamp(1.7rem, 8vw, 2.35rem);
    letter-spacing: -0.04em;
  }
  .logo-subtitle {
    font-size: clamp(0.78rem, 3.8vw, 1rem);
    letter-spacing: 0.12em;
  }
  .search-wrap {
    order: 3;
    grid-column: 1 / -1;
    max-width: 100%;
    z-index: 9999;
  }
  .mobile-quick-nav {
    order: 4;
    grid-column: 1 / -1;
    display: none;
    gap: 8px;
    width: 100%;
    max-width: 100%;
    overflow: visible;
  }
  .topbar-nav {
    display: none;
    order: 5;
    grid-column: 1 / -1;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding-top: 8px;
  }
  .topbar-nav.open { display: flex; }
  .topbar-nav .theme-toggle { display: none; }
  .topbar-nav a,
  .topbar-nav .nav-logout,
  .topbar-nav .user-chip {
    width: 100%;
    text-align: center;
  }

  .hero {
    min-height: 280px;
    background-size: cover;
    background-position: center center;
  }

  .library-toolbar { grid-template-columns: 1fr; }
  .library-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .book-card { width: 150px; min-width: 150px; }
  .book-card img { height: 210px; }

  .reader { grid-template-columns: 1fr; }
  .reader-sidebar { position: relative; top: 0; }
  .reader-sidebar button,
  .reader-sidebar a { width: 100%; display: grid; place-items: center; }
  .reader-canvas-wrap { min-height: 82vh; padding: 8px; width: 100%; }
  .reader-canvas { display: block; width: 100% !important; max-width: 100%; height: auto !important; background: #fff; }
  .pdf-mobile-frame { min-height: 82vh; height: 82vh; }

  .book-detail,
  .book-page,
  .book-info-page {
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
    padding: 18px;
  }
  .book-detail-card,
  .book-hero,
  .book-detail-hero,
  .book-detail-content {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }
  .book-detail-cover,
  .book-cover-large,
  .book-page-cover {
    width: 100%;
    max-width: 320px;
    height: auto;
    margin: 0 auto 24px auto;
    border-radius: 20px;
    object-fit: cover;
  }
  .book-title,
  .book-detail-title,
  .book-page h1 {
    font-size: clamp(2rem, 10vw, 3rem);
    line-height: 1.05;
    max-width: 100%;
    overflow-wrap: break-word;
    word-break: normal;
    white-space: normal;
  }
  .book-author,
  .book-description,
  .book-category,
  .book-page h2,
  .book-page p {
    max-width: 100%;
    overflow-wrap: break-word;
    font-size: 1rem;
    line-height: 1.5;
  }
  .book-actions,
  .book-buttons,
  .detail-actions,
  .actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    width: 100%;
  }
  .book-actions button,
  .book-actions a,
  .book-buttons button,
  .book-buttons a,
  .detail-actions button,
  .detail-actions a,
  .actions button,
  .actions a {
    flex: 1 1 100%;
    width: 100%;
    min-width: 0;
    text-align: center;
  }

  .admin-editor-grid { grid-template-columns: 1fr; }
  .admin-item { grid-template-columns: 52px 1fr; }
  .admin-item .btn { grid-column: 1 / -1; width: 100%; margin-top: 6px; }
  .admin-modal-card { width: calc(100vw - 16px); max-height: 92vh; padding: 14px; }
  .access-options,
  .auth-grid,
  .user-profile-list {
    grid-template-columns: 1fr;
  }
  .admin-section-header {
    flex-direction: column;
  }
  .admin-user-counters {
    justify-content: flex-start;
  }
  .admin-user-searchbar {
    grid-template-columns: 1fr;
  }
  .admin-user-filter-tabs {
    flex-wrap: wrap;
  }
  .admin-user-search-count {
    white-space: normal;
  }
  .teacher-access-card {
    grid-template-columns: 1fr;
  }
  .teacher-actions {
    justify-content: stretch;
  }
  .teacher-actions button {
    width: 100%;
  }

  .auth,
  .admin { padding: 12px; }
}

@media (min-width: 769px) {
  .hero,
  .home-hero,
  .featured-book {
    min-height: 380px;
  }

  .hero-cover,
  .featured-cover {
    width: 100%;
    max-width: 360px;
  }

  .hero-info,
  .featured-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-actions,
  .featured-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
  }
}

@media (min-width: 769px) and (max-width: 980px) {
  .hero,
  .hero-banner {
    min-height: 280px;
  }
}

@media (max-width: 768px) {
  body .auth.auth-wide {
    width: calc(100% - 20px);
    max-width: none;
    margin: 10px auto 28px;
    padding: 16px;
    overflow: visible;
  }
  body .auth .access-options {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }
  body .auth .access-card,
  body .auth .auth-form {
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
  }
  body .auth .access-card {
    min-height: 0;
  }

  .hero,
  .hero-banner {
    min-height: 210px;
    background-size: cover;
    background-position: center center;
    border-radius: 20px;
  }

  .book-page,
  .book-detail-page,
  .book-detail,
  .book-details,
  .book-hero,
  .book-detail-card,
  .book-detail-content,
  .book-info,
  .book-detail-info {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }

  .book-detail,
  .book-page,
  .book-info-page,
  .book-details,
  .book-detail-page {
    padding: 16px;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden !important;
  }
  .book-detail-card,
  .book-hero,
  .book-detail-content {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    gap: 20px;
    overflow: hidden;
  }
  .book-cover,
  .book-cover-area,
  .book-detail-cover,
  .book-cover-large,
  .book-page-cover {
    width: 100%;
    max-width: 300px;
    height: auto;
    max-height: 460px;
    margin: 0 auto 20px auto;
    border-radius: 20px;
    object-fit: contain;
  }
  .book-info,
  .book-info-area,
  .book-detail-info {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }
  .book-title,
  .book-detail-title,
  .book-page h1,
  .book-detail h1 {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    width: 100%;
    font-size: clamp(2rem, 9vw, 3rem) !important;
    line-height: 1.05 !important;
    white-space: normal !important;
    overflow-wrap: break-word !important;
    word-break: break-word !important;
  }
  .book-author,
  .book-description,
  .book-category,
  .book-info p {
    width: 100% !important;
    max-width: 100% !important;
    white-space: normal !important;
    overflow-wrap: break-word !important;
    word-break: break-word !important;
    line-height: 1.5;
  }
  .book-actions,
  .book-buttons,
  .detail-actions,
  .actions {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    max-width: 100% !important;
    gap: 12px !important;
  }
  .book-actions button,
  .book-actions a,
  .book-buttons button,
  .book-buttons a,
  .detail-actions button,
  .detail-actions a,
  .actions button,
  .actions a {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    margin: 0 !important;
    box-sizing: border-box !important;
    text-align: center !important;
    white-space: normal !important;
  }
  .book-page .related-books,
  .book-page .recommendations,
  .book-page .you-may-like,
  .book-page .shelf {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden !important;
  }
  .book-page .related-books-row,
  .book-page .recommendations-row,
  .book-page .you-may-like-row,
  .book-page .row-scroll {
    display: flex !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    gap: 14px !important;
    max-width: 100% !important;
    width: 100% !important;
    -webkit-overflow-scrolling: touch;
  }
  .book-page .related-books-row .book-card,
  .book-page .recommendations-row .book-card,
  .book-page .you-may-like-row .book-card,
  .book-page .row-scroll .book-card {
    flex: 0 0 160px !important;
    width: 160px !important;
    min-width: 160px !important;
    max-width: 160px !important;
  }
}

@media (min-width: 769px) {
  .reader-page,
  .reader-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 32px 24px;
  }

  .reader-layout {
    display: grid;
    grid-template-columns: 260px minmax(900px, 1fr);
    gap: 24px;
    max-width: 1500px;
    margin: 0 auto;
    align-items: start;
    height: calc(100vh - 120px);
    max-height: calc(100vh - 120px);
    overflow: hidden;
  }

  .reader-controls,
  .pdf-controls {
    position: sticky;
    top: 110px;
    display: flex !important;
    flex-direction: column !important;
    gap: 10px !important;
    width: 260px !important;
    max-width: 260px !important;
    padding: 18px;
    border-radius: 22px;
    background: #fffaf0;
    border: 1px solid rgba(200,169,107,.35);
    box-shadow: 0 18px 45px rgba(0,0,0,.08);
  }
  .reader-controls {
    max-height: calc(100vh - 140px);
    overflow-y: auto;
  }

  .reader-toolbar {
    position: sticky;
    top: 110px;
    display: flex !important;
    flex-direction: column !important;
    gap: 10px !important;
    width: 260px !important;
    max-width: 260px !important;
    padding: 18px;
    border-radius: 22px;
    background: #fffaf0;
    border: 1px solid rgba(200,169,107,.35);
    box-shadow: 0 18px 45px rgba(0,0,0,.08);
  }

  .reader-controls h3,
  .reader-controls p {
    margin: 0;
  }

  .reader-controls,
  .pdf-controls,
  .reader-toolbar {
    max-width: 900px;
    margin: 0;
  }

  .reader-controls button,
  .pdf-controls button,
  .reader-toolbar button,
  .reader-controls a,
  .pdf-controls a,
  .reader-toolbar a {
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
    height: 40px !important;
    padding: 8px 12px !important;
    font-size: 14px !important;
    border-radius: 12px !important;
  }

  .pdf-display-area,
  .pdf-viewer,
  .pdf-canvas-wrapper,
  .pdf-page,
  .reader-canvas-wrap,
  .pdf-frame-wrapper {
    width: 100% !important;
    max-width: 1050px !important;
    padding: 12px !important;
    width: 100% !important;
    margin: 0 auto !important;
    border-radius: 22px;
    background: #fff;
    height: calc(100vh - 140px) !important;
    max-height: calc(100vh - 140px) !important;
    overflow: auto !important;
    display: flex !important;
    justify-content: center !important;
    align-items: flex-start !important;
  }

  canvas,
  .pdf-canvas,
  .reader-canvas {
    width: auto !important;
    height: auto !important;
    max-height: none !important;
    max-width: none !important;
    margin: 0 auto !important;
    display: block !important;
  }

  .pdf-mobile-frame,
  .pdf-fallback-frame {
    width: 100% !important;
    max-width: 820px !important;
    height: 82vh !important;
    margin: 0 auto !important;
    display: block !important;
  }
}

@media (max-width: 768px) {
  .pdf-viewer,
  .pdf-canvas-wrapper,
  .pdf-page,
  canvas,
  .reader-canvas {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
    margin: 0 auto !important;
  }

  .reader-controls,
  .pdf-controls {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }

  .reader-controls button,
  .pdf-controls button,
  .reader-controls a,
  .pdf-controls a {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    height: 48px !important;
    font-size: 15px !important;
    color: #151515;
    background: #fffaf0;
    border: 1px solid rgba(200, 169, 107, 0.36);
  }

  .pdf-container {
    overflow-x: hidden !important;
    padding: 12px !important;
  }

  .reader-sidebar .actions,
  .reader-controls .actions,
  .pdf-controls .actions {
    display: grid !important;
    grid-template-columns: 1fr;
    gap: 8px !important;
    width: 100%;
  }

  .reader-sidebar .actions button,
  .reader-controls .actions button,
  .pdf-controls .actions button {
    width: 100% !important;
  }

  .reader-sidebar input,
  .reader-controls input,
  .pdf-controls input,
  .reader-sidebar select,
  .reader-controls select,
  .pdf-controls select,
  .reader-sidebar textarea,
  .reader-controls textarea,
  .pdf-controls textarea {
    width: 100% !important;
    max-width: 100% !important;
    color: #151515 !important;
    background: #fffdf8 !important;
  }
}

/* O tamanho intrínseco renderizado pelo PDF.js precisa permanecer livre para o zoom ser visível. */
.reader-page .reader-canvas,
.reader-page .pdf-canvas {
  width: auto !important;
  height: auto !important;
  max-width: none !important;
  max-height: none !important;
}
.reader-page .reader-canvas-wrap,
.reader-page .pdf-canvas-wrapper {
  display: block !important;
  overflow: auto !important;
}

/* Versão PHP: ajustes estruturais sem alterar a identidade visual. */
[hidden] { display: none !important; }
label { display: grid; gap: 6px; color: var(--text-soft); font-weight: 700; }
textarea { resize: vertical; }
.hero-banner { height: 380px; min-height: 380px; }
.search-results[hidden] { display: none !important; }
.search-result-item {
  display: grid !important;
  grid-template-columns: 46px minmax(0, 1fr) !important;
  align-items: center;
  gap: 12px;
  padding: 10px;
}
.search-result-item img { width: 46px; height: 62px; object-fit: cover; border-radius: 8px; }
.search-result-item span { min-width: 0; display: grid; }
.library-grid { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); }
.library-grid .book-card { width: 100%; min-width: 0; }
.row-scroll .book-card { flex: 0 0 180px; width: 180px; }
.book-card > a { display: block; }
.book-detail-hero {
  display: grid;
  grid-template-columns: minmax(250px, 360px) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
  padding: 28px;
}
.book-cover-area img { width: 100%; max-width: 360px; height: auto; object-fit: contain; border-radius: 20px; }
.book-info-area { max-width: 760px; padding-top: 12px; }
.book-info-area h1 { margin: 0 0 12px; font-family: 'Playfair Display', serif; font-size: clamp(2rem, 4vw, 4rem); }
.book-description { line-height: 1.7; }
.admin-list { display: grid; gap: 10px; margin-top: 18px; }
.admin-action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 10px;
}
.admin-action-grid button {
  min-height: 46px;
  white-space: normal;
}
.library-access-gate {
  position: fixed;
  inset: 0;
  z-index: 1000002;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(21, 18, 14, 0.52);
  backdrop-filter: blur(7px);
}
.library-access-card {
  width: min(430px, 100%);
  display: grid;
  gap: 20px;
  padding: 30px;
  text-align: center;
  border: 1px solid rgba(200, 169, 107, 0.48);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
}
.library-access-card h1 {
  margin: 0;
  font-family: 'Playfair Display', serif;
}
.library-access-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.library-access-actions button,
.library-access-actions a {
  display: grid;
  place-items: center;
  min-height: 48px;
  width: 100%;
  text-decoration: none;
}
.library-access-card h2 {
  margin: 0 0 4px;
  font-family: 'Playfair Display', serif;
}
.library-access-card .auth-form {
  text-align: left;
}
.gate-back-button {
  width: 100%;
  margin-top: 12px;
}
body:has(.library-access-gate) {
  overflow: hidden;
}
.admin-item {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) repeat(4, auto);
  gap: 12px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
}
.admin-item img { width: 62px; height: 82px; object-fit: cover; border-radius: 9px; }
.admin-item div { min-width: 0; display: grid; gap: 4px; }
.admin-item small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.danger { color: #8b2222; border-color: rgba(139,34,34,.25) !important; }
.admin-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000000;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(0,0,0,.58);
}
.admin-modal-card {
  width: min(760px, calc(100vw - 32px));
  max-height: 90vh;
  overflow-y: auto;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 28px 80px rgba(0,0,0,.28);
}
.admin-modal-overlay[hidden] { display: none !important; }
.pdf-search-result {
  display: grid;
  gap: 6px;
  width: 100%;
  padding: 12px;
  text-align: left;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
}
.audio-reader-panel {
  display: grid;
  gap: 8px;
  width: 100%;
  padding: 10px;
  border-radius: 14px;
}
.audio-reader-panel p,
.audio-reader-panel strong { margin: 0; }
.audio-rate-label {
  display: grid;
  gap: 6px;
  width: 100%;
}
.audio-page-text-label {
  display: grid;
  gap: 6px;
  width: 100%;
}
.audio-page-text-label textarea {
  width: 100%;
  min-height: 130px;
  resize: vertical;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  line-height: 1.45;
}
.audio-rate-label select {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0 10px;
  background: var(--surface);
  color: var(--text);
}
.reader-page:fullscreen { padding: 18px; background: var(--bg); overflow: hidden; }
.reader-page:fullscreen .reader-layout { height: calc(100vh - 36px); max-height: none; }
@media (max-width: 980px) {
  .hero-banner { height: 280px; min-height: 280px; }
}
@media (max-width: 768px) {
  .desktop-banner {
    display: none !important;
  }

  .mobile-banner {
    display: block !important;
    width: 100%;
    aspect-ratio: 1086 / 842;
    margin: 0 auto 18px;
    border-radius: 24px;
    overflow: hidden;
    background: #080604;
  }

  .mobile-banner img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center center;
  }

  .mobile-quick-nav {
    display: flex !important;
    align-items: stretch;
    justify-content: space-between;
    flex-wrap: nowrap;
    gap: 7px;
  }

  .mobile-quick-nav.has-admin {
    display: flex !important;
  }

  .mobile-quick-nav a,
  .mobile-quick-nav button {
    flex: 1 1 0;
    width: auto;
    max-width: 100%;
    min-height: 42px;
    padding: 8px 5px;
    font-size: clamp(0.72rem, 2.75vw, 0.84rem);
    white-space: nowrap;
  }

  .mobile-quick-nav button span {
    display: inline-flex;
  }

  .hero-banner { height: 210px; min-height: 210px; }
  .book-detail-hero { display: flex; flex-direction: column; gap: 24px; padding: 16px; }
  .book-cover-area { width: 100%; text-align: center; }
  .book-cover-area img { max-width: 300px; }
  .book-info-area, .book-actions, .book-actions a, .book-actions button { width: 100%; max-width: 100%; }
  .admin-item { grid-template-columns: 52px minmax(0, 1fr); }
  .admin-item button { width: 100%; }
  .library-access-actions { grid-template-columns: 1fr; }
}

.mobile-page-arrow {
  display: none;
}

@media (max-width: 768px) {
  .reader-page,
  .reader-container,
  .pdf-container,
  .reader-layout,
  .pdf-display-area,
  .reader-canvas-wrap,
  .pdf-viewer,
  .pdf-canvas-wrapper {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }

  .reader-layout {
    display: flex !important;
    flex-direction: column !important;
    gap: 14px !important;
  }

  .reader-sidebar,
  .reader-controls,
  .pdf-controls,
  .reader-toolbar {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
  }

  .reader-sidebar .actions,
  .reader-controls .actions,
  .pdf-controls .actions,
  .pdf-search-panel .actions {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 8px !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .reader-sidebar .actions input,
  .reader-sidebar .actions button,
  .reader-controls .actions input,
  .reader-controls .actions button,
  .pdf-controls .actions input,
  .pdf-controls .actions button,
  .pdf-search-panel .actions input,
  .pdf-search-panel .actions button {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    flex: 1 1 100% !important;
  }

  .pdf-display-area {
    position: relative !important;
    padding: 0 !important;
    overflow: visible !important;
  }

  .reader-canvas-wrap,
  .pdf-viewer,
  .pdf-canvas-wrapper {
    min-height: 62vh !important;
    padding: 8px !important;
    overflow: auto !important;
    border-radius: 18px !important;
  }

  .reader-page .reader-canvas,
  .reader-page .pdf-canvas,
  canvas[data-pdf-canvas] {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    min-width: 0 !important;
    margin: 0 auto !important;
    background: #fff !important;
  }

  .mobile-page-arrow {
    position: absolute;
    top: 50%;
    z-index: 20;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 999px;
    border: 1px solid rgba(231, 201, 139, 0.72);
    background: rgba(17, 17, 17, 0.84);
    color: #e7c98b;
    font-size: 1.55rem;
    font-weight: 900;
    line-height: 1;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
    transform: translateY(-50%);
    cursor: pointer;
  }

  .mobile-page-arrow-left {
    left: 10px;
  }

  .mobile-page-arrow-right {
    right: 10px;
  }

  .mobile-page-arrow:active {
    transform: translateY(-50%) scale(0.96);
  }
}

@media (min-width: 769px) {
  .mobile-page-arrow {
    display: none !important;
  }
}

@media (max-width: 768px) {
  html,
  body {
    max-width: 100%;
    overflow-x: hidden !important;
  }

  .reader-page {
    padding-inline: 10px !important;
    overflow-x: hidden !important;
  }

  .reader-container,
  .reader-card,
  .pdf-viewer,
  .pdf-container,
  .pdf-page-wrapper {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .pdf-container,
  .pdf-page-wrapper {
    padding: 8px !important;
    margin: 0 auto !important;
  }

  .reader-page .page-jump,
  .reader-page .reader-page-jump,
  .reader-page .page-controls,
  .reader-page .go-to-page {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    width: 100% !important;
    max-width: 100% !important;
    gap: 10px !important;
    overflow: visible !important;
  }

  .reader-page .page-jump input,
  .reader-page .reader-page-jump input,
  .reader-page .page-controls input,
  .reader-page .go-to-page input,
  .reader-page .page-jump button,
  .reader-page .reader-page-jump button,
  .reader-page .page-controls button,
  .reader-page .go-to-page button {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    margin: 0 !important;
  }

  .reader-page .pdf-search-results {
    max-height: none !important;
    overflow: visible !important;
    padding: 8px 0 !important;
    margin: 12px 0 18px !important;
  }

  .reader-page .pdf-search-result,
  .reader-page .pdf-search-result-item,
  .reader-page .search-result-item {
    min-height: 112px !important;
    height: auto !important;
    display: grid !important;
    gap: 8px !important;
    width: 100% !important;
    padding: 14px 16px !important;
    font-size: 16px !important;
    line-height: 1.35 !important;
    white-space: normal !important;
    overflow: visible !important;
    text-align: left !important;
  }

  .reader-page .pdf-search-result *,
  .reader-page .pdf-search-result-item * {
    position: static !important;
    white-space: normal !important;
    overflow: visible !important;
    text-overflow: clip !important;
  }

  .reader-page .pdf-search-result-page,
  .reader-page .pdf-search-result strong {
    display: block !important;
    margin: 0 0 6px !important;
    color: #111 !important;
    font-size: 16px !important;
    font-weight: 900 !important;
    line-height: 1.25 !important;
  }

  .reader-page .pdf-search-result-snippet,
  .reader-page .pdf-search-result span:not(.pdf-search-result-page) {
    display: block !important;
    min-height: 3.8em !important;
    max-height: none !important;
    color: #555 !important;
    font-size: 15px !important;
    line-height: 1.45 !important;
    overflow: visible !important;
    overflow-wrap: break-word !important;
    word-break: normal !important;
    -webkit-line-clamp: unset !important;
    -webkit-box-orient: initial !important;
  }

  .reader-page .pdf-display-area {
    position: relative !important;
    width: 100% !important;
    max-width: 100% !important;
    min-height: 0 !important;
    padding: 0 !important;
    overflow: visible !important;
    box-sizing: border-box !important;
  }

  .reader-page .reader-canvas-wrap,
  .reader-page .pdf-viewer,
  .reader-page .pdf-canvas-wrapper {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    min-height: 0 !important;
    height: auto !important;
    padding: 4px !important;
    margin: 0 auto !important;
    overflow-x: hidden !important;
    overflow-y: auto !important;
    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
    box-sizing: border-box !important;
    -webkit-overflow-scrolling: touch !important;
  }

  .reader-page .pdf-page-canvas,
  .reader-page .reader-canvas,
  .reader-page .pdf-canvas,
  .reader-page canvas,
  .reader-page canvas[data-pdf-canvas] {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    height: auto !important;
    margin: 0 auto !important;
    background: #fff !important;
    border-radius: 8px !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12) !important;
    box-sizing: border-box !important;
  }

  .reader-page .mobile-page-arrow {
    position: fixed !important;
    top: 58vh !important;
    z-index: 1000001 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 54px !important;
    height: 54px !important;
    border-radius: 999px !important;
    border: 1px solid rgba(231, 201, 139, 0.88) !important;
    background: rgba(17, 17, 17, 0.9) !important;
    color: #e7c98b !important;
    font-size: 1.9rem !important;
    font-weight: 900 !important;
    line-height: 1 !important;
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.32) !important;
    cursor: pointer !important;
    transform: translateY(-50%) !important;
    touch-action: manipulation !important;
  }

  .reader-page .mobile-page-arrow-left {
    left: 8px !important;
  }

  .reader-page .mobile-page-arrow-right {
    right: 8px !important;
  }

  .reader-page .mobile-page-arrow:active {
    transform: translateY(-50%) scale(0.96) !important;
  }

  .reader-page .mobile-page-arrow[hidden] {
    display: none !important;
  }
}

@media (max-width: 768px) {
  body.reader-page {
    overflow-x: hidden !important;
  }

  body.reader-page .reader-page,
  body.reader-page .reader-layout,
  body.reader-page .reader-content,
  body.reader-page .mobile-pdf-container,
  body.reader-page #pdfContainer,
  body.reader-page .pdf-viewer,
  body.reader-page .pdf-container,
  body.reader-page .pdf-page-wrapper {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    padding-left: 6px !important;
    padding-right: 6px !important;
    margin-left: auto !important;
    margin-right: auto !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }

  body.reader-page .pdf-container,
  body.reader-page .pdf-page-wrapper,
  body.reader-page .mobile-pdf-container,
  body.reader-page #pdfContainer {
    padding-top: 6px !important;
    padding-bottom: 6px !important;
    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
  }

  body.reader-page #pdfCanvas,
  body.reader-page canvas.pdf-page-canvas,
  body.reader-page .pdf-page-canvas,
  body.reader-page canvas[data-pdf-canvas] {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    height: auto !important;
    display: block !important;
    margin: 0 auto !important;
    transform: none !important;
    zoom: normal !important;
  }

  body.reader-page .reader-controls,
  body.reader-page .page-jump,
  body.reader-page .go-to-page,
  body.reader-page .reader-page-jump {
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 10px !important;
  }

  body.reader-page .reader-controls input,
  body.reader-page .reader-controls button,
  body.reader-page .page-jump input,
  body.reader-page .page-jump button,
  body.reader-page .go-to-page input,
  body.reader-page .go-to-page button {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }

  body.reader-page .mobile-page-arrow {
    position: fixed !important;
    top: 55% !important;
    width: 48px !important;
    height: 48px !important;
    border-radius: 999px !important;
    background: #111 !important;
    color: #d6b36a !important;
    border: 1px solid #d6b36a !important;
    z-index: 9999 !important;
    font-size: 32px !important;
    line-height: 1 !important;
  }

  body.reader-page .mobile-prev {
    left: 8px !important;
  }

  body.reader-page .mobile-next {
    right: 8px !important;
  }
}

.mobile-quick-nav {
  display: none !important;
}

@media (min-width: 769px) {
  .mobile-quick-nav,
  .topbar .mobile-quick-nav,
  nav.mobile-quick-nav {
    display: none !important;
    visibility: hidden !important;
    height: 0 !important;
    max-height: 0 !important;
    min-height: 0 !important;
    overflow: hidden !important;
    pointer-events: none !important;
    opacity: 0 !important;
  }
}

@media (max-width: 768px) {
  .mobile-quick-nav,
  .topbar .mobile-quick-nav,
  nav.mobile-quick-nav {
    display: flex !important;
    visibility: visible !important;
    height: auto !important;
    max-height: none !important;
    min-height: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    grid-column: 1 / -1 !important;
    order: 4 !important;
    align-items: stretch !important;
    justify-content: space-between !important;
    flex-wrap: nowrap !important;
    gap: 8px !important;
    overflow: visible !important;
    pointer-events: auto !important;
    opacity: 1 !important;
    box-sizing: border-box !important;
  }

  .mobile-quick-nav a,
  .mobile-quick-nav button {
    flex: 1 1 0 !important;
    width: auto !important;
    min-width: 0 !important;
    max-width: 100% !important;
    min-height: 42px !important;
    padding: 8px 6px !important;
    border-radius: 14px !important;
    white-space: nowrap !important;
    text-align: center !important;
    box-sizing: border-box !important;
  }
}

/* Fix definitivo do campo pagina + botao Ir no leitor mobile */
@media (max-width: 768px) {
  body.reader-page .page-jump,
  body.reader-page .reader-page-jump,
  body.reader-page .go-to-page,
  body.reader-page .page-number-form,
  body.reader-page .jump-to-page,
  body.reader-page .reader-jump-form {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    justify-content: flex-start !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    gap: 10px !important;
    overflow: hidden !important;
    box-sizing: border-box !important;
    grid-template-columns: 1fr !important;
    float: none !important;
    position: static !important;
    transform: none !important;
  }

  body.reader-page .page-jump input,
  body.reader-page .reader-page-jump input,
  body.reader-page .go-to-page input,
  body.reader-page .page-number-form input,
  body.reader-page .jump-to-page input,
  body.reader-page .reader-jump-form input,
  body.reader-page .page-jump button,
  body.reader-page .reader-page-jump button,
  body.reader-page .go-to-page button,
  body.reader-page .page-number-form button,
  body.reader-page .jump-to-page button,
  body.reader-page .reader-jump-form button,
  body.reader-page .go-page-button,
  body.reader-page .page-number-input {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    flex: 0 0 auto !important;
    box-sizing: border-box !important;
    position: static !important;
    left: auto !important;
    right: auto !important;
    top: auto !important;
    bottom: auto !important;
    float: none !important;
    clear: both !important;
    transform: none !important;
    translate: none !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
}

/* Setas reais do leitor mobile */
.mobile-page-arrow {
  display: none;
}

@media (max-width: 768px) {
  body.reader-page .mobile-page-arrow,
  .mobile-page-arrow {
    display: flex !important;
    position: fixed !important;
    top: 55% !important;
    transform: translateY(-50%) !important;
    width: 52px !important;
    height: 52px !important;
    border-radius: 999px !important;
    align-items: center !important;
    justify-content: center !important;
    background: #111 !important;
    color: #d6b36a !important;
    border: 2px solid #d6b36a !important;
    font-size: 38px !important;
    line-height: 1 !important;
    z-index: 999999 !important;
    box-shadow: 0 8px 22px rgba(0,0,0,.25) !important;
    cursor: pointer !important;
    touch-action: manipulation !important;
  }

  body.reader-page .mobile-page-prev,
  .mobile-page-prev {
    left: 8px !important;
  }

  body.reader-page .mobile-page-next,
  .mobile-page-next {
    right: 8px !important;
  }

  body.reader-page .mobile-page-arrow[aria-hidden="true"],
  .mobile-page-arrow[aria-hidden="true"] {
    display: none !important;
  }
}

@media (min-width: 769px) {
  body.reader-page .mobile-page-arrow,
  .mobile-page-arrow {
    display: none !important;
  }
}

/* PDF legivel no mobile: renderizar maior e permitir arrastar lateralmente */
@media (max-width: 768px) {
  body.reader-page .pdf-container,
  body.reader-page .pdf-viewer,
  body.reader-page .reader-pdf,
  body.reader-page .reader-canvas-wrap,
  body.reader-page .pdf-canvas-wrapper,
  body.reader-page .mobile-pdf-container,
  body.reader-page #pdfContainer {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    min-height: 0 !important;
    padding: 4px !important;
    margin: 0 auto !important;
    overflow-x: auto !important;
    overflow-y: auto !important;
    display: block !important;
    box-sizing: border-box !important;
    background: transparent !important;
    box-shadow: none !important;
  }

  body.reader-page .reader-content,
  body.reader-page .pdf-display-area {
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 !important;
    overflow: visible !important;
  }

  body.reader-page #pdfCanvas,
  body.reader-page canvas,
  body.reader-page .reader-canvas,
  body.reader-page .pdf-canvas,
  body.reader-page .pdf-page-canvas,
  body.reader-page canvas[data-pdf-canvas] {
    display: block !important;
    margin: 0 auto !important;
    height: auto !important;
    max-width: none !important;
    min-width: 0 !important;
    transform: none !important;
    zoom: normal !important;
  }
}

/* Menu rapido mobile: nunca aparecer no desktop */
.mobile-quick-nav {
  display: none !important;
}

@media (max-width: 768px) {
  .mobile-quick-nav {
    display: flex !important;
  }
}

@media (min-width: 769px) {
  .mobile-quick-nav {
    display: none !important;
    visibility: hidden !important;
    height: 0 !important;
    max-height: 0 !important;
    min-height: 0 !important;
    overflow: hidden !important;
    pointer-events: none !important;
    opacity: 0 !important;
  }
}

/* Admin pending teacher notification */
.admin-pending-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 7px;
  margin-left: 6px;
  border-radius: 999px;
  background: #8f1d1d;
  color: #fffaf0;
  border: 1px solid rgba(214,179,106,.75);
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
  box-shadow: 0 8px 18px rgba(143,29,29,.24);
}

.teacher-pending-alert {
  display: block;
  width: 100%;
  margin: 14px 0 18px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(214,179,106,.5);
  background: linear-gradient(135deg, rgba(255,250,240,.96), rgba(241,210,122,.24));
  color: #2a2114;
  font-weight: 800;
  box-shadow: 0 14px 34px rgba(0,0,0,.07);
}

.teacher-pending-alert[hidden] {
  display: none !important;
}

.teacher-password-chip {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-top: 6px;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(17,17,17,.92);
  color: #f1d27a;
  border: 1px solid rgba(214,179,106,.45);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  font-weight: 800;
}

:root[data-theme='dark'] .teacher-pending-alert {
  background: linear-gradient(135deg, rgba(42,34,22,.96), rgba(138,106,47,.24));
  color: #f7ead1;
  border-color: rgba(214,179,106,.48);
}

@media (max-width: 768px) {
  html,
  body,
  .app-shell,
  main,
  .admin,
  .admin-users-panel,
  .teacher-access-list,
  .teacher-access-card {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }

  .admin {
    padding: 12px !important;
  }

  .admin-users-panel {
    padding: 14px !important;
    margin: 18px 0 !important;
  }

  .admin-section-header {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
    overflow-x: hidden !important;
  }

  .admin-user-counters {
    width: 100% !important;
    max-width: 100% !important;
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: flex-start !important;
    gap: 8px !important;
    overflow-x: hidden !important;
  }

  .admin-user-counters span {
    max-width: 100% !important;
    min-width: 0 !important;
    white-space: normal !important;
    overflow-wrap: anywhere !important;
    word-break: break-word !important;
  }

  .teacher-access-card {
    display: grid !important;
    grid-template-columns: 1fr !important;
    align-items: stretch !important;
    gap: 14px !important;
    padding: 14px !important;
    overflow: hidden !important;
  }

  .teacher-access-card > div,
  .teacher-access-card h3,
  .teacher-access-card p,
  .teacher-access-card small,
  .teacher-password-result {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    overflow-wrap: anywhere !important;
    word-break: break-word !important;
    white-space: normal !important;
    box-sizing: border-box !important;
  }

  .teacher-access-card .status-pill,
  .status-pill {
    display: inline-flex !important;
    width: auto !important;
    max-width: 100% !important;
    min-width: 0 !important;
    white-space: normal !important;
    overflow-wrap: anywhere !important;
    box-sizing: border-box !important;
  }

  .teacher-password-chip {
    display: inline-flex !important;
    width: auto !important;
    max-width: 100% !important;
    min-width: 0 !important;
    white-space: normal !important;
    overflow-wrap: anywhere !important;
    word-break: break-word !important;
    border-radius: 14px !important;
    box-sizing: border-box !important;
  }

  .teacher-actions {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    justify-content: flex-start !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    gap: 10px !important;
    overflow: hidden !important;
    box-sizing: border-box !important;
  }

  .teacher-actions button,
  .teacher-actions .btn,
  .teacher-actions .btn-gold {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    min-height: 48px !important;
    margin: 0 !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    overflow-wrap: anywhere !important;
    text-align: center !important;
  }
}

/* Correção final: cards de professores cabendo 100% no admin mobile */
@media (max-width: 768px) {
  body .admin,
  body .admin *,
  body .admin-users-panel,
  body .teacher-access-list,
  body .teacher-access-card {
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }

  body .admin {
    overflow-x: hidden !important;
  }

  body .admin-users-panel,
  body .teacher-access-list {
    width: 100% !important;
    overflow-x: hidden !important;
  }

  body .teacher-access-card {
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 14px !important;
    overflow: hidden !important;
    padding: 14px !important;
  }

  body .teacher-access-card > div,
  body .teacher-access-card h3,
  body .teacher-access-card p,
  body .teacher-access-card small,
  body .teacher-access-card code,
  body .teacher-password-result {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    overflow-wrap: anywhere !important;
    word-break: break-word !important;
    white-space: normal !important;
  }

  body .teacher-access-card .status-pill {
    display: inline-flex !important;
    width: fit-content !important;
    max-width: 100% !important;
  }

  body .teacher-actions {
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 10px !important;
    overflow: hidden !important;
  }

  body .teacher-actions button,
  body .teacher-actions .btn,
  body .teacher-actions .btn-gold,
  body .teacher-actions .danger {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    min-height: 48px !important;
    margin: 0 !important;
    padding: 12px 14px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    white-space: normal !important;
    overflow-wrap: anywhere !important;
    position: static !important;
    transform: none !important;
  }

  body .admin-user-counters {
    width: 100% !important;
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
    justify-content: flex-start !important;
    overflow-x: hidden !important;
  }

  body .admin-user-counters span {
    max-width: 100% !important;
    white-space: normal !important;
    overflow-wrap: anywhere !important;
  }
}