/* ===================================================
   Books Page Widgets – Currently Reading & Recommendations
   =================================================== */

/* ── Widget Container ── */
.books-widgets {
  display: flex;
  gap: 2rem;
  max-width: 1200px;
  margin: 1.5rem auto;
  padding: 0 2rem;
}

.widget {
  flex: 1;
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 1.25rem;
  background: var(--background-color, #fff);
  overflow: hidden;
}

.widget-title {
  margin: 0 0 1rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--default-color, #333);
  border-bottom: 2px solid #f39c12;
  padding-bottom: 0.4rem;
}

/* ── Left Widget: Currently Reading Carousel ── */
.widget-reading {
  max-width: 50%;
}

.reading-carousel {
  position: relative;
}

/* ── Shared arrow styles ── */
.carousel-arrow,
.rec-arrow {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border: 1px solid #ddd;
  border-radius: 50%;
  background: var(--background-color, #fff);
  color: var(--default-color, #555);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  padding: 0;
}

.carousel-arrow:hover,
.rec-arrow:hover {
  background: #f39c12;
  border-color: #f39c12;
  color: #fff;
}

.carousel-track {
  position: relative;
  width: 100%;
  min-height: 180px;
  overflow: hidden;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1rem;
  opacity: 0;
  pointer-events: none;
}

.carousel-slide.active {
  position: relative;
  opacity: 1;
  pointer-events: auto;
  animation: carouselFadeIn 0.8s ease-in-out;
}

@keyframes carouselFadeIn {
  0% {
    opacity: 0;
    transform: translateX(40px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Outgoing slide animation (applied via JS) */
.carousel-slide.exiting {
  position: absolute;
  opacity: 1;
  pointer-events: none;
  animation: carouselFadeOut 0.8s ease-in-out forwards;
}

@keyframes carouselFadeOut {
  0% {
    opacity: 1;
    transform: translateX(0);
  }
  100% {
    opacity: 0;
    transform: translateX(-40px);
  }
}

.carousel-cover {
  flex-shrink: 0;
  width: 120px;
}

.carousel-cover a {
  display: block;
  text-decoration: none;
  border: none;
}

.carousel-cover img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.carousel-info {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.carousel-book-title {
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.3;
  color: var(--default-color, #333);
  text-decoration: none;
}

a.carousel-book-title:hover {
  color: #0066cc;
}

.carousel-book-author {
  font-style: italic;
  font-size: 0.85rem;
  color: #666;
}

.carousel-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  width: fit-content;
  margin-top: 0.25rem;
}

.book-badge {
  background: #e8f4fd;
  color: #0066cc;
}

.audiobook-badge {
  background: #fef3e2;
  color: #e67e22;
}

/* Carousel bottom controls: [prev] [dots] [next] */
.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.carousel-dots {
  display: flex;
  gap: 0.5rem;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: #ccc;
  cursor: pointer;
  padding: 0;
  transition: background 0.3s, transform 0.3s;
}

.carousel-dot.active {
  background: #f39c12;
  transform: scale(1.3);
}

.carousel-dot:hover {
  background: #999;
}

.carousel-dot.active:hover {
  background: #f39c12;
}

/* ── Right Widget: Recommendations Scroll ── */
.widget-recommendations {
  max-width: 50%;
}

/* Recommendations bottom controls */
.rec-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.recommendations-viewport {
  height: 180px;
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(
    to bottom,
    transparent 0%,
    black 12%,
    black 88%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to bottom,
    transparent 0%,
    black 12%,
    black 88%,
    transparent 100%
  );
}

.recommendations-list {
  list-style: none;
  margin: 0;
  padding: 0;
  animation: scrollUp 30s linear infinite;
}

.recommendations-viewport:hover .recommendations-list {
  animation-play-state: paused;
}

@keyframes scrollUp {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-50%);
  }
}

.recommendation-item {
  padding: 0.6rem 0;
  border-bottom: 1px solid #eee;
}

.recommendation-item:last-child {
  border-bottom: none;
}

.recommendation-item a {
  text-decoration: none;
  color: var(--default-color, #333);
  font-size: 0.9rem;
  line-height: 1.4;
  transition: color 0.2s;
  display: block;
}

.recommendation-item a::before {
  content: "\2192\00a0";
  color: #f39c12;
  font-weight: bold;
}

.recommendation-item a:hover {
  color: #0066cc;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .books-widgets {
    flex-direction: column;
    gap: 1.5rem;
  }

  .widget-reading,
  .widget-recommendations {
    max-width: 100%;
  }

  .recommendations-viewport {
    height: 150px;
  }
}

@media (max-width: 480px) {
  .books-widgets {
    padding: 0 1rem;
  }

  .carousel-cover {
    width: 90px;
  }

  .carousel-book-title {
    font-size: 0.9rem;
  }

  .widget {
    padding: 1rem;
  }
}

/* ── Dark mode overrides ── */
:root:not(.light) .widget {
  border-color: #3a3a3a;
}

:root:not(.light) .carousel-book-author {
  color: #aaa;
}

:root:not(.light) .book-badge {
  background: #1a2e3d;
  color: #5a9ae1;
}

:root:not(.light) .audiobook-badge {
  background: #2d2010;
  color: #f0a830;
}

:root:not(.light) a.carousel-book-title:hover {
  color: #5a9ae1;
}

:root:not(.light) .carousel-arrow,
:root:not(.light) .rec-arrow {
  border-color: #444;
  color: #bbb;
}

:root:not(.light) .carousel-dot {
  background: #444;
}

:root:not(.light) .carousel-dot:hover {
  background: #777;
}

:root:not(.light) .recommendation-item {
  border-bottom-color: #333;
}

:root:not(.light) .recommendation-item a:hover {
  color: #5a9ae1;
}