/* Books Page - Neobrutalist Design */

.books-page {
  --background-color: #06FFA5;
  margin-right: 12px;
}

.books-container {
  max-width: 1200px;
  margin: 0 auto;
  padding-bottom: 2rem;
}

/* Header */
.books-header {
  background: #fff;
  border: 4px solid #000;
  padding: 2.5rem;
  margin-bottom: 2.5rem;
  box-shadow: 8px 8px 0px 0px #000;
}

.books-title {
  font-size: 3.5rem;
  font-weight: 400;
  color: #000;
  text-transform: uppercase;
  letter-spacing: -0.025em;
  margin: 0 0 0.75rem 0;
}

.books-subtitle {
  font-family: monospace;
  font-size: 1.4rem;
  color: #000;
  margin: 0;
}

/* Quick Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  border: 3px solid #000;
  padding: 1.5rem;
  box-shadow: 6px 6px 0px 0px #000;
}

.stat-card:nth-child(1) { background: #FFD60A; }
.stat-card:nth-child(2) { background: #FF006E; }
.stat-card:nth-child(3) { background: #8338EC; }
.stat-card:nth-child(4) { background: #3A86FF; }

.stat-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 0.25rem;
}

.stat-icon {
  width: 24px;
  height: 24px;
  stroke-width: 2.5;
}

.stat-card:nth-child(1) .stat-icon { color: #000; }
.stat-card:nth-child(2) .stat-icon,
.stat-card:nth-child(3) .stat-icon,
.stat-card:nth-child(4) .stat-icon { color: #fff; }

.stat-label {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-weight: 700;
}

.stat-card:nth-child(1) .stat-label { color: #000; }
.stat-card:nth-child(2) .stat-label,
.stat-card:nth-child(3) .stat-label,
.stat-card:nth-child(4) .stat-label { color: #fff; }

.stat-value {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-card:nth-child(1) .stat-value { color: #000; }
.stat-card:nth-child(2) .stat-value,
.stat-card:nth-child(3) .stat-value,
.stat-card:nth-child(4) .stat-value { color: #fff; }

/* Activity Heatmap Card */
.heatmap-card {
  background: #fff;
  border: 3px solid #000;
  padding: 1.5rem;
  box-shadow: 6px 6px 0px 0px #000;
  margin-bottom: 2.5rem;
}

.heatmap-header {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 4px solid #000;
}

.heatmap-title {
  font-size: 2rem;
  color: #000;
  text-transform: uppercase;
  font-weight: 900;
}

.heatmap-stat {
  background: #06FFA5;
  border: 2px solid #000;
  padding: 0.75rem 1rem;
  text-align: right;
  box-shadow: 4px 4px 0px 0px #000;
}

.heatmap-stat-value {
  font-size: 2rem;
  color: #000;
  font-weight: 900;
  line-height: 1;
}

.heatmap-stat-label {
  font-family: monospace;
  font-size: 1rem;
  color: #000;
  text-transform: uppercase;
}

/* Heatmap Grid */
.heatmap-wrapper {
  overflow-x: auto;
  padding-bottom: 0.5rem;
  padding-right: 1.5rem;
}

@media (min-width: 769px) {
  .heatmap-wrapper {
    overflow-x: hidden;
  }
}

.heatmap-grid {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
}

@media (max-width: 768px) {
  .heatmap-grid {
    display: inline-flex;
    width: auto;
    min-width: max-content;
  }
}

.heatmap-months {
  position: relative;
  height: 20px;
  margin-bottom: 4px;
  margin-left: 48px;
  width: calc(100% - 48px);
}

.heatmap-month {
  font-size: 0.875rem;
  color: #000;
  font-weight: 700;
  white-space: nowrap;
  text-align: left;
}

.heatmap-row {
  display: flex;
  align-items: center;
  width: 100%;
  gap: 0;
  line-height: 1em;
}

@media (max-width: 768px) {
  .heatmap-row {
    width: auto;
  }
}

.heatmap-day-label {
  font-size: 0.875rem;
  color: #000;
  font-weight: 700;
  width: 48px;
  flex-shrink: 0;
  text-align: left;
}

.heatmap-cells {
  display: flex;
  flex: 1;
  gap: 2px;
}

.heatmap-cells > * {
  flex: 1;
  max-width: 14px;
}

@media (max-width: 768px) {
  .heatmap-cells {
    gap: 2px;
    flex: none;
  }

  .heatmap-cells > * {
    flex: none;
  }
}

.heatmap-cell {
  aspect-ratio: 1;
  border: 2px solid #000;
  cursor: pointer;
  transition: transform 0.1s ease;
  max-width: 14px;
}

@media (max-width: 768px) {
  .heatmap-cell {
    width: 12px;
    flex-shrink: 0;
  }
}

.heatmap-cell:hover {
  transform: scale(1.25);
  z-index: 10;
  position: relative;
}

.heatmap-cell[data-level="0"] { background-color: #f5f8f5; }
.heatmap-cell[data-level="1"] { background-color: #A5D6A7; }
.heatmap-cell[data-level="2"] { background-color: #66BB6A; }
.heatmap-cell[data-level="3"] { background-color: #43A047; }
.heatmap-cell[data-level="4"] { background-color: #2E7D32; }
.heatmap-cell[data-level="5"] { background-color: #1B5E20; }

/* Heatmap Legend */
.heatmap-legend {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 1rem;
}

.heatmap-legend-label {
  font-size: 0.875rem;
  color: #000;
  font-weight: 700;
  margin: 0 6px;
}

.heatmap-legend-cell {
  width: 14px;
  height: 14px;
  border: 2px solid #000;
  flex-shrink: 0;
}

@media (max-width: 1024px) {
  .heatmap-legend-cell {
    width: 6px;
    height: 6px;
  }
}

@media (max-width: 768px) {
  .heatmap-legend-cell {
    width: 12px;
    height: 12px;
  }
}

/* Books Section */
.books-section-header {
  background: #000;
  color: #fff;
  padding: 1.25rem 1.5rem;
  margin-bottom: 2.5rem;
  border: 4px solid #000;
  box-shadow: 8px 8px 0px 0px #FF006E;
}

.books-section-title {
  font-size: 1.5rem;
  color: #fff;
  text-transform: uppercase;
  font-weight: 900;
  margin: 0;
}

.books-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.7rem;
}

@media (min-width: 768px) {
  .books-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .books-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Book Card */
.book-card {
  background: #fff;
  border: 3px solid #000;
  padding: 1.25rem;
  transition: transform 0.15s ease;
}

.book-card:hover {
  transform: translate(4px, 4px);
}

.book-card:nth-child(5n+1) { box-shadow: 6px 6px 0px 0px #FF006E; }
.book-card:nth-child(5n+2) { box-shadow: 6px 6px 0px 0px #3A86FF; }
.book-card:nth-child(5n+3) { box-shadow: 6px 6px 0px 0px #FFD60A; }
.book-card:nth-child(5n+4) { box-shadow: 6px 6px 0px 0px #8338EC; }
.book-card:nth-child(5n+5) { box-shadow: 6px 6px 0px 0px #06FFA5; }

.book-card-top {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

/* Book Cover */
.book-cover-container {
  flex-shrink: 0;
  width: 100px;
  height: 150px;
  border: 3px solid #000;
  overflow: hidden;
  background: #000;
}

.book-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-cover-placeholder {
  width: 100%;
  height: 100%;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.book-cover-placeholder svg {
  width: 40px;
  height: 40px;
  stroke: #fff;
}

/* Book Info */
.book-info {
  flex: 1;
  min-width: 0;
}

.book-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #000;
  line-height: 1.3;
  margin: 0 0 0.25rem 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.book-author {
  font-family: monospace;
  font-size: 1rem;
  color: #000;
  margin: 0 0 0.5rem 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Status Badge */
.book-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.25rem 0.5rem;
  border: 2px solid #000;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.book-status.queued {
  background-color: #FFD60A;
  color: #000;
}

.book-status.reading {
  background-color: #3A86FF;
  color: #fff;
}

.book-status.finished {
  background-color: #06FFA5;
  color: #000;
}

/* Progress Bar */
.book-progress-bar {
  height: 0.75rem;
  background: #E5E7EB;
  border: 2px solid #000;
  overflow: hidden;
  margin-bottom: 0.375rem;
}

.book-progress-fill {
  height: 100%;
  transition: width 0.5s ease;
}

.book-progress-text {
  font-family: monospace;
  font-size: 0.75rem;
  color: #000;
}

/* Book Footer */
.book-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  font-size: 1.2rem;
  border-top: 2px solid #000;
}

.book-footer-stat {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: monospace;
  font-size: 0.75rem;
  color: #000;
}

.book-footer-icon {
  width: 14px;
  height: 14px;
}

/* Loading State */
.books-loading {
  font-family: monospace;
  font-size: 1rem;
  color: #000;
  text-align: center;
  padding: 2rem;
  background: #fff;
  border: 4px solid #000;
  box-shadow: 8px 8px 0px 0px #000;
}

/* Tooltip */
.heatmap-tooltip {
  position: fixed;
  background: #000;
  color: #fff;
  padding: 6px 10px;
  font-family: monospace;
  font-size: 0.85rem;
  pointer-events: none;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.15s ease;
  white-space: nowrap;
}

.heatmap-tooltip.visible {
  opacity: 1;
}

/* Mobile & Tablet adjustments */
@media (max-width: 768px) {
  .books-page {
    padding: 1rem;
  }

  .books-header {
    padding: 1.25rem;
    box-shadow: 6px 6px 0px 0px #000;
  }

  .books-title {
    font-size: 1.75rem;
  }

  .stat-card {
    padding: 0.75rem;
    box-shadow: 4px 4px 0px 0px #000;
  }

  .stat-value {
    font-size: 2rem;
  }

  .heatmap-card {
    padding: 1rem;
    box-shadow: 6px 6px 0px 0px #000;
  }

  .heatmap-stat {
    box-shadow: 3px 3px 0px 0px #000;
  }

  .book-cover-container {
    width: 80px;
    height: 120px;
  }

  .book-card {
    padding: 1rem;
  }
}