/* ============================================= */
/* === POJOK BACA - KATALOG & PDF READER     === */
/* ============================================= */

/* --- CSS Variables untuk tema Reader --- */
:root {
  --reader-bg: #0d0d0d;
  --reader-bar-bg: rgba(15, 15, 15, 0.95);
  --reader-text: #e0e0e0;
  --reader-accent: var(--primary-color, #00aaff);
  --reader-btn-bg: rgba(255, 255, 255, 0.08);
  --reader-btn-hover: rgba(255, 255, 255, 0.18);
  --reader-border: rgba(255, 255, 255, 0.1);
}

/* ========================================= */
/* === SECTION HEADER                     === */
/* ========================================= */
.bacaan-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

.bacaan-section-header {
  text-align: center;
  margin-bottom: 50px;
}

.bacaan-section-header h2 {
  font-size: 2.5em;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--primary-color), #7b68ee);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bacaan-section-header p {
  font-size: 1em;
  color: var(--dark-text);
  font-style: italic;
  max-width: 500px;
  margin: 0 auto;
}

/* ========================================= */
/* === KATALOG BUKU GRID                  === */
/* ========================================= */
.bacaan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 28px;
}

.bacaan-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.bacaan-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 170, 255, 0.15),
    0 0 0 1px rgba(0, 170, 255, 0.2);
}

.bacaan-card-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background: linear-gradient(145deg, #1a1a1a, #111);
}

.bacaan-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.35s ease;
}

.bacaan-card:hover .bacaan-card-cover img {
  transform: scale(1.08);
  filter: brightness(0.75);
}

/* Overlay read icon on hover */
.bacaan-card-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.bacaan-card:hover .bacaan-card-overlay {
  opacity: 1;
}

.bacaan-card-overlay i {
  font-size: 2.5em;
  color: #fff;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
  animation: pulseIcon 1.5s ease-in-out infinite;
}

@keyframes pulseIcon {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

.bacaan-card-info {
  padding: 14px;
  text-align: center;
}

.bacaan-card-info h4 {
  font-size: 0.9em;
  font-weight: 600;
  color: var(--light-text);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

/* Loading State */
.bacaan-grid-loading {
  text-align: center;
  padding: 60px 20px;
}

.bacaan-grid-loading i {
  font-size: 2em;
  color: var(--primary-color);
}

.bacaan-grid-loading p {
  margin-top: 15px;
  color: var(--dark-text);
}

/* ========================================= */
/* === PDF READER MODAL (FULLSCREEN)      === */
/* ========================================= */
.pdf-reader-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background-color: var(--reader-bg);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.pdf-reader-modal.active {
  opacity: 1;
  visibility: visible;
}

/* --- Top Bar --- */
.reader-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: var(--reader-bar-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--reader-border);
  z-index: 10;
  min-height: 52px;
  flex-shrink: 0;
}

.reader-top-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.reader-title {
  font-size: 0.95em;
  font-weight: 600;
  color: var(--reader-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.reader-top-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* --- Reader Button Styles --- */
.reader-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--reader-btn-bg);
  border: 1px solid var(--reader-border);
  color: var(--reader-text);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.85em;
  font-family: "Poppins", sans-serif;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease, color 0.2s ease;
  white-space: nowrap;
}

.reader-btn:hover {
  background: var(--reader-btn-hover);
}

.reader-btn:active {
  transform: scale(0.95);
}

.reader-btn.active-toggle {
  background: var(--reader-accent);
  color: #000;
  border-color: var(--reader-accent);
}

.reader-btn-close {
  background: rgba(220, 53, 69, 0.15);
  border-color: rgba(220, 53, 69, 0.3);
  color: #ff6b6b;
}

.reader-btn-close:hover {
  background: rgba(220, 53, 69, 0.3);
}

/* Icon-only button on small screens */
.reader-btn i {
  font-size: 1em;
}

.reader-btn .btn-label {
  display: inline;
}

/* --- Canvas Area --- */
.reader-canvas-area {
  flex: 1;
  overflow: auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 20px;
  position: relative;
}

.reader-canvas-wrapper {
  position: relative;
  display: inline-block;
  line-height: 0;
}

.reader-canvas-wrapper canvas {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
  transition: filter 0.3s ease;
}

/* Dark Mode Filter (applied to canvas) */
.reader-dark-mode .reader-canvas-wrapper canvas {
  filter: invert(0.85) hue-rotate(180deg) contrast(1.05);
}

/* --- Page Transition Animations --- */
.reader-canvas-wrapper.slide-left {
  animation: slideInFromRight 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.reader-canvas-wrapper.slide-right {
  animation: slideInFromLeft 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes slideInFromRight {
  0% {
    opacity: 0;
    transform: translateX(60px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInFromLeft {
  0% {
    opacity: 0;
    transform: translateX(-60px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

/* --- Bottom Bar --- */
.reader-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 20px;
  background: var(--reader-bar-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--reader-border);
  z-index: 10;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.reader-page-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.reader-page-input {
  width: 50px;
  text-align: center;
  background: var(--reader-btn-bg);
  border: 1px solid var(--reader-border);
  color: var(--reader-text);
  border-radius: 6px;
  padding: 6px 4px;
  font-size: 0.9em;
  font-family: "Poppins", sans-serif;
  outline: none;
  transition: border-color 0.2s ease;
}

.reader-page-input:focus {
  border-color: var(--reader-accent);
}

.reader-page-total {
  font-size: 0.85em;
  color: var(--dark-text);
  white-space: nowrap;
}

.reader-zoom-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.reader-zoom-level {
  font-size: 0.8em;
  color: var(--dark-text);
  min-width: 42px;
  text-align: center;
}

/* --- Loading Overlay inside reader --- */
.reader-loading-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.75);
  z-index: 20;
  gap: 15px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.reader-loading-overlay.active {
  opacity: 1;
  visibility: visible;
}

.reader-loading-overlay i {
  font-size: 2.5em;
  color: var(--reader-accent);
}

.reader-loading-overlay p {
  color: var(--reader-text);
  font-size: 0.95em;
}

/* Error overlay */
.reader-error-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.85);
  z-index: 20;
  gap: 12px;
  padding: 30px;
  text-align: center;
  display: none;
}

.reader-error-overlay.active {
  display: flex;
}

.reader-error-overlay i {
  font-size: 3em;
  color: #ff6b6b;
}

.reader-error-overlay h3 {
  color: var(--reader-text);
  font-size: 1.2em;
}

.reader-error-overlay p {
  color: var(--dark-text);
  font-size: 0.9em;
  max-width: 400px;
  line-height: 1.5;
}

/* ========================================= */
/* === SEPARATOR BETWEEN SECTIONS         === */
/* ========================================= */
.bacaan-separator {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
  margin: 0 auto;
  width: 60%;
  max-width: 600px;
}

/* ========================================= */
/* === ARTIKEL SECTION                    === */
/* ========================================= */
.bacaan-artikel-section {
  padding-top: 30px;
}

.bacaan-artikel-section .bacaan-section-header h2 {
  background: linear-gradient(135deg, #a0a0a0, #666);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.8em;
}

.bacaan-artikel-section .bacaan-section-header {
  margin-bottom: 30px;
}

/* Filter bar */
.artikel-filter-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 25px;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-group label {
  color: var(--dark-text);
  font-size: 0.85em;
}

.pb-sorter {
  background-color: var(--card-bg);
  color: var(--light-text);
  border: 1px solid var(--border-color);
  padding: 7px 12px;
  border-radius: 6px;
  font-family: "Poppins", sans-serif;
  font-size: 0.8em;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.pb-sorter:focus {
  outline: none;
  border-color: var(--primary-color);
}

/* Compact article list */
.artikel-list-compact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.artikel-compact-item {
  display: flex;
  align-items: stretch;
  gap: 16px;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  text-decoration: none;
  color: var(--light-text);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.artikel-compact-item:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 20px rgba(0, 170, 255, 0.08);
  border-color: rgba(0, 170, 255, 0.25);
}

.artikel-compact-thumb {
  width: 90px;
  min-height: 90px;
  flex-shrink: 0;
  overflow: hidden;
}

.artikel-compact-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.artikel-compact-item:hover .artikel-compact-thumb img {
  transform: scale(1.08);
}

.artikel-compact-body {
  flex: 1;
  padding: 12px 14px 12px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  min-width: 0;
}

.artikel-compact-kategori {
  font-size: 0.65em;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--primary-color);
  font-style: normal;
}

.artikel-compact-body h4 {
  font-size: 0.88em;
  font-weight: 600;
  margin: 0;
  color: var(--light-text);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.artikel-compact-desc {
  font-size: 0.75em;
  color: var(--dark-text);
  margin: 0;
  font-style: italic;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.artikel-compact-date {
  font-size: 0.7em;
  color: #777;
  font-style: normal;
}

.artikel-compact-date i {
  margin-right: 4px;
  font-size: 0.85em;
}

/* ========================================= */
/* === RESPONSIVE DESIGN                  === */
/* ========================================= */
@media (max-width: 768px) {
  .bacaan-section-header h2 {
    font-size: 1.8em;
  }

  .bacaan-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
  }

  .bacaan-card-info {
    padding: 10px;
  }

  .bacaan-card-info h4 {
    font-size: 0.8em;
  }

  /* Reader Mobile */
  .reader-top-bar {
    padding: 8px 12px;
  }

  .reader-title {
    font-size: 0.8em;
  }

  .reader-btn {
    padding: 8px 10px;
    font-size: 0.85em;
    min-width: 36px;
    min-height: 36px;
  }

  .reader-btn .btn-label {
    display: none;
  }

  .reader-canvas-area {
    padding: 10px;
  }

  .reader-bottom-bar {
    padding: 8px 12px;
    gap: 8px;
  }

  .reader-page-input {
    width: 42px;
    padding: 6px 4px;
    font-size: 0.85em;
  }

  .reader-page-total,
  .reader-zoom-level {
    font-size: 0.8em;
  }

  .reader-zoom-controls {
    gap: 8px;
  }

  /* Artikel Section mobile */
  .bacaan-artikel-section .bacaan-section-header h2 {
    font-size: 1.4em;
  }

  .artikel-compact-thumb {
    width: 70px;
    min-height: 70px;
  }

  .artikel-compact-body {
    padding: 8px 10px 8px 0;
  }

  .artikel-compact-body h4 {
    font-size: 0.8em;
  }
}

@media (max-width: 480px) {
  .bacaan-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .bacaan-section {
    padding: 20px 12px 40px;
  }

  .reader-bottom-bar {
    justify-content: space-between;
  }

  .artikel-filter-bar {
    gap: 10px;
  }

  .pb-sorter {
    font-size: 0.75em;
    padding: 6px 8px;
  }
}