.lecture-app-page,
.book-modal {
  --lecture-accent: #237b9a;
  --lecture-accent-soft: #edf6f8;
  --lecture-border: #dedede;
  --lecture-text: #4c4b4b;
  --lecture-muted: #737373;
  --lecture-panel: #fff;
  --lecture-panel-alt: #fff;
  --lecture-shadow: 0 14px 40px rgba(0, 0, 0, 0.08);
}

.lecture-app-page #chemin {
  margin-bottom: 2rem;
}

.lecture-hero {
  margin: 0 0 1.6rem;
  padding: 1.4rem 0 0.5rem;
}

.lecture-hero h2 {
  margin: 0 0 0.6rem;
  color: #3f3f3f;
  font-size: 1.65rem;
  line-height: 1.2;
}

.lecture-hero p {
  padding: 0;
  text-align: left;
}

.lecture-app {
  display: grid;
  gap: 1rem;
  margin: 0 0 3.5rem;
}

.book-modal__panel {
  border: 1px solid var(--lecture-border);
  border-radius: 8px;
  background: var(--lecture-panel);
}

.lecture-toolbar {
  display: grid;
  grid-template-columns: minmax(16rem, 1fr) auto;
  gap: 1rem;
  align-items: end;
  padding: 0;
}

.lecture-search label {
  display: block;
  margin: 0 0 0.4rem;
  color: #555;
  font-size: 0.92rem;
  font-weight: 600;
}

.lecture-search__field {
  position: relative;
}

.lecture-search__field i {
  position: absolute;
  top: 50%;
  left: 0.9rem;
  color: #777;
  transform: translateY(-50%);
}

.lecture-search input {
  width: 100%;
  min-height: 2.75rem;
  padding: 0 1rem 0 2.75rem;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  background: #fff;
  color: var(--lecture-text);
  font: inherit;
}

.lecture-search input:focus {
  border-color: var(--lecture-accent);
  box-shadow: 0 0 0 3px rgba(35, 123, 154, 0.14);
  outline: none;
}

.lecture-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: flex-end;
}

.lecture-clear,
.lecture-sort,
.book-card,
.book-modal__close,
.book-modal__link {
  font: inherit;
}

.lecture-clear,
.lecture-sort {
  min-height: 2.5rem;
  border: 1px solid var(--lecture-border);
  border-radius: 6px;
  background: #fff;
  color: #4f4f4f;
  cursor: pointer;
}

.lecture-clear {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0 0.8rem;
}

.lecture-clear:hover,
.lecture-sort:hover {
  border-color: #b9d5df;
  background: var(--lecture-accent-soft);
  color: var(--lecture-accent);
}

.lecture-layout {
  display: block;
  min-height: 32rem;
  overflow: visible;
}

.lecture-results__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.lecture-clear,
.lecture-sort {
  padding: 0 0.7rem;
  font-size: 0.88rem;
}

.lecture-sort {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
}

.lecture-filters {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  align-items: end;
  padding-top: 0.2rem;
}

.lecture-filters label {
  display: grid;
  gap: 0.35rem;
}

.lecture-filters label span {
  color: #555;
  font-size: 0.86rem;
  font-weight: 600;
}

.lecture-filters select,
.lecture-filters input {
  width: 100%;
  min-height: 2.5rem;
  padding: 0 0.65rem;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  background: #fff;
  color: var(--lecture-text);
  font: inherit;
}

.lecture-filters select:focus,
.lecture-filters input:focus {
  border-color: var(--lecture-accent);
  box-shadow: 0 0 0 3px rgba(35, 123, 154, 0.14);
  outline: none;
}

.lecture-active-filters {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  min-height: 0;
  margin-top: -0.15rem;
}

.lecture-active-filters__empty {
  margin: 0;
  padding: 0;
  color: #666;
  font-size: 0.9rem;
  text-align: left;
}

.lecture-active-filter {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  max-width: 100%;
  min-height: 1.9rem;
  padding: 0 0.55rem;
  border: 1px solid #b9d5df;
  border-radius: 999px;
  background: var(--lecture-accent-soft);
  color: var(--lecture-accent);
  font-size: 0.82rem;
}

button.lecture-active-filter {
  cursor: pointer;
}

.lecture-active-filter span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lecture-results {
  min-width: 0;
  padding: 0;
}

.lecture-results__header {
  margin-bottom: 1rem;
}

.lecture-results__header p {
  margin: 0;
  padding: 0;
  color: #666;
  font-size: 0.95rem;
  text-align: left;
}

.lecture-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
  gap: 0.85rem;
}

.book-card {
  content-visibility: auto;
  contain-intrinsic-size: 8.1rem;
  display: grid;
  grid-template-columns: 4.3rem minmax(0, 1fr);
  gap: 0.8rem;
  min-height: 8.1rem;
  padding: 0.75rem;
  border: 1px solid var(--lecture-border);
  border-radius: 8px;
  background: #fff;
  color: inherit;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.book-card:hover,
.book-card:focus-visible {
  border-color: #b9d5df;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  outline: none;
  transform: translateY(-1px);
}

.book-card__cover,
.book-modal__cover {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid #e1e1e1;
  background: #f1f3f4;
}

.book-card__cover {
  width: 4.3rem;
  height: 6.3rem;
  border-radius: 6px;
}

.book-card__cover img,
.book-modal__cover img {
  width: 100%;
  height: 100%;
}

.book-card__cover img {
  object-fit: cover;
}

.book-modal__cover img {
  object-fit: cover;
  background: transparent;
}

.book-card__fallback {
  color: #6f8790;
  font-size: 1.4rem;
}

.book-card h3 {
  display: -webkit-box;
  margin: 0 0 0.3rem;
  overflow: hidden;
  color: #333;
  font-family: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.25;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.book-card p {
  margin: 0;
  padding: 0;
  color: #666;
  font-size: 0.9rem;
  line-height: 1.25;
  text-align: left;
}

.book-card__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.55rem;
}

.book-chip {
  max-width: 100%;
  padding: 0.16rem 0.42rem;
  border: 1px solid #d6e8ee;
  border-radius: 999px;
  background: #f3fafc;
  color: #2d7186;
  font-size: 0.72rem;
  line-height: 1.25;
}

.book-chip--level-sixieme {
  border-color: #b8d9cc;
  background: #eef8f3;
  color: #2f6d55;
}

.book-chip--level-cinquieme {
  border-color: #d4c7ec;
  background: #f5f1fb;
  color: #644f91;
}

.book-chip--level-quatrieme {
  border-color: #efd0aa;
  background: #fff5e8;
  color: #8a5a20;
}

.book-chip--level-troisieme {
  border-color: #c5d6f0;
  background: #eff5ff;
  color: #42699f;
}

.lecture-empty {
  margin: 1.5rem 0 0;
  padding: 1rem;
  border: 1px dashed var(--lecture-border);
  border-radius: 8px;
  color: #666;
  text-align: center;
}

.book-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 1.25rem;
}

.book-modal[hidden] {
  display: none;
}

.book-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.58);
}

.book-modal__panel {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(10rem, 15rem) minmax(0, 1fr);
  gap: 1.25rem;
  width: min(52rem, 100%);
  max-height: min(40rem, 92vh);
  overflow: auto;
  padding: 1.2rem;
  box-shadow: var(--lecture-shadow);
}

.book-modal__close {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: #333;
  cursor: pointer;
}

.book-modal__close:focus,
.book-modal__close:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--lecture-accent);
}

.book-modal__cover {
  align-self: start;
  aspect-ratio: 2 / 3;
  min-height: 0;
  border-radius: 8px;
}

.book-modal__content {
  min-width: 0;
  padding-right: 0.8rem;
}

.book-modal__eyebrow {
  margin: 0 0 0.35rem;
  padding: 0;
  color: var(--lecture-accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: left;
  text-transform: uppercase;
}

.book-modal h2 {
  margin: 0 2.2rem 0.45rem 0;
  color: #333;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
}

.book-modal__author,
.book-modal__description {
  padding: 0;
  text-align: left;
}

.book-modal__author {
  margin: 0 0 0.85rem;
  color: #666;
  font-size: 1rem;
}

.book-modal__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin: 0 0 0.95rem;
}

.book-modal__meta div {
  display: block;
  padding: 0;
  border: 0;
  background: transparent;
}

.book-modal__meta dt {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.book-modal__meta dd {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  margin: 0;
  padding: 0.18rem 0.55rem;
  border: 1px solid #d6e8ee;
  border-radius: 999px;
  background: #f3fafc;
  color: #444;
  font-size: 0.95rem;
  line-height: 1.35;
}

.book-modal__description {
  margin: 0 0 1.4rem;
  color: #4c4b4b;
  white-space: pre-line;
}

.book-modal__link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 2.6rem;
  padding: 0 0.9rem;
  border: 1px solid #0e5f77;
  border-radius: 6px;
  background: #237b9a;
  color: #fff !important;
  text-decoration: none;
}

.book-modal__link:hover {
  background: #1b657e;
  color: #fff !important;
  text-decoration: none;
}

html[data-theme="dark"] .lecture-app-page,
html[data-theme="dark"] .book-modal {
  --lecture-accent: #48b7d8;
  --lecture-accent-soft: #10252d;
  --lecture-border: #3a3a3a;
  --lecture-text: #dedede;
  --lecture-muted: #b8b8b8;
  --lecture-panel: #191919;
  --lecture-panel-alt: #191919;
  --lecture-shadow: 0 20px 50px rgba(0, 0, 0, 0.48);
}

html[data-theme="dark"] .book-card,
html[data-theme="dark"] .book-modal__panel,
html[data-theme="dark"] .book-modal__meta div {
  border-color: var(--lecture-border);
  background: var(--lecture-panel);
}

html[data-theme="dark"] .lecture-hero h2,
html[data-theme="dark"] .book-card h3,
html[data-theme="dark"] .book-modal h2,
html[data-theme="dark"] .book-modal__meta dd {
  color: #fff;
}

html[data-theme="dark"] .lecture-search label,
html[data-theme="dark"] .lecture-filters label span,
html[data-theme="dark"] .lecture-results__header p,
html[data-theme="dark"] .lecture-active-filters__empty,
html[data-theme="dark"] .book-card p,
html[data-theme="dark"] .book-modal__author,
html[data-theme="dark"] .book-modal__description,
html[data-theme="dark"] .book-modal__meta dt {
  color: #cdcdcd;
}

html[data-theme="dark"] .lecture-search input,
html[data-theme="dark"] .lecture-filters select,
html[data-theme="dark"] .lecture-filters input,
html[data-theme="dark"] .lecture-clear,
html[data-theme="dark"] .lecture-sort,
html[data-theme="dark"] .book-card__cover {
  border-color: #3a3a3a;
  background: #111;
  color: #dedede;
}

html[data-theme="dark"] .book-modal__cover {
  border-color: #3a3a3a;
  background: #111;
}

html[data-theme="dark"] .book-modal__link,
html[data-theme="dark"] .book-modal__link:hover {
  color: #fff !important;
}

html[data-theme="dark"] .book-modal__meta dd {
  border-color: #31525b;
  background: #10252d;
  color: #9bd4e3;
}

html[data-theme="dark"] .book-chip {
  border-color: #31525b;
  background: #10252d;
  color: #9bd4e3;
}

html[data-theme="dark"] .book-chip--level-sixieme {
  border-color: #315f4e;
  background: #142820;
  color: #9fd5bf;
}

html[data-theme="dark"] .book-chip--level-cinquieme {
  border-color: #574574;
  background: #241b32;
  color: #c6b1e8;
}

html[data-theme="dark"] .book-chip--level-quatrieme {
  border-color: #76522c;
  background: #2f2112;
  color: #e8c597;
}

html[data-theme="dark"] .book-chip--level-troisieme {
  border-color: #385278;
  background: #152236;
  color: #aac6ee;
}

@media screen and (max-width: 820px) {
  .lecture-toolbar,
  .lecture-layout,
  .book-modal__panel {
    grid-template-columns: 1fr;
  }

  .lecture-filters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lecture-actions {
    justify-content: flex-start;
  }

  .lecture-layout {
    overflow: visible;
  }

  .book-modal__cover {
    max-width: 18rem;
  }
}

@media screen and (max-width: 560px) {
  .lecture-filters {
    grid-template-columns: 1fr;
  }

  .lecture-results__header {
    align-items: flex-start;
    flex-direction: column;
  }

  .lecture-grid,
  .book-card {
    grid-template-columns: 1fr;
  }

  .book-card__cover {
    width: 100%;
    height: 12rem;
  }

  .book-modal {
    padding: 0.6rem;
  }

  .book-modal__panel {
    padding: 0.9rem;
  }

  .book-modal__meta {
    align-items: flex-start;
  }

  .book-modal__meta div {
    max-width: 100%;
  }
}