/* ========================================
   Component Styles
   ======================================== */

/* ---- Hero Section ---- */
.hero {
  padding: var(--space-4) 0 var(--space-6);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-6);
}

.hero-date {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.hero-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-3);
  line-height: 1.2;
}

.hero-summary {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
  align-items: center;
}

/* ---- Summary Card ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  margin-bottom: var(--space-2);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  cursor: pointer;
  position: relative;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.card-date {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-weekday {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-left: 6px;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.card-preview {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-expand-icon {
  position: absolute;
  right: var(--space-3);
  bottom: var(--space-3);
  color: var(--text-secondary);
  transition: transform var(--transition-base);
}

.card.expanded .card-expand-icon {
  transform: rotate(180deg);
}

/* Card expanded state */
.card-body {
  display: none;
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
  margin-top: var(--space-3);
}

.card.expanded .card-body {
  display: block;
  animation: fadeInUp var(--transition-slow) both;
}

.card-section {
  margin-bottom: var(--space-3);
}

.card-section:last-child {
  margin-bottom: 0;
}

.card-section-title {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: var(--space-1);
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-section-content {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-primary);
}

.card-section-content ul {
  list-style: none;
  padding-left: 0;
}

.card-section-content li {
  position: relative;
  padding-left: var(--space-2);
  margin-bottom: 6px;
}

.card-section-content li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}

/* ---- Tag Pill ---- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 500;
  background-color: var(--accent-light);
  color: var(--accent);
  border-radius: var(--radius-pill);
  transition: background-color var(--transition-base), color var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}

.tag:hover {
  background-color: var(--accent);
  color: white;
}

.tag.active {
  background-color: var(--accent);
  color: white;
}

/* ---- Timeline ---- */
.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.timeline-item {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.timeline-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Skeleton Loading ---- */
.skeleton {
  background: linear-gradient(90deg, var(--border) 25%, var(--bg-primary) 50%, var(--border) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-card {
  height: 120px;
  margin-bottom: var(--space-2);
}

/* ---- Giscus Section ---- */
.giscus-section {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
}

.giscus-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.giscus-title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
}

.giscus-toggle {
  font-size: 0.875rem;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.giscus-toggle:hover {
  background-color: var(--accent-light);
}

.giscus-container {
  display: none;
  min-height: 300px;
}

.giscus-container.loaded {
  display: block;
}

.giscus-container iframe {
  border: none;
}

/* ---- Week/Month/Year Skeleton Views ---- */
.view-header {
  margin-bottom: var(--space-6);
}

.view-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.view-subtitle {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.aggregation-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
}

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

.aggregation-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  cursor: pointer;
}

.aggregation-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.aggregation-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.aggregation-card-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
}

.aggregation-card-stats {
  display: flex;
  gap: var(--space-3);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.aggregation-card-stat {
  display: flex;
  align-items: center;
  gap: 4px;
}

.aggregation-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* ---- Mood Indicator ---- */
.mood {
  font-size: 1rem;
}

/* ---- Week Card ---- */
.week-card-range {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.week-card-details {
  font-size: 0.875rem;
}

.week-card-days,
.week-card-content {
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.week-card-daily-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

/* ---- Month Card ---- */
.month-card-year {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.month-card-details {
  font-size: 0.875rem;
}

/* ---- Year Hero Card ---- */
.year-hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.year-hero-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.year-hero-header {
  margin-bottom: var(--space-4);
}

.year-hero-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
}

.year-hero-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.year-hero-stats {
  display: flex;
  gap: var(--space-6);
  margin-bottom: var(--space-4);
}

.year-stat {
  text-align: center;
}

.year-stat-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.year-stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.year-hero-tags {
  margin-bottom: var(--space-2);
}

.year-hero-tags-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-1);
}

.year-hero-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* ---- Monthly Bar Chart ---- */
.monthly-chart-section {
  margin-bottom: var(--space-6);
}

.monthly-chart-section .section-title {
  margin-bottom: 0;
}

.monthly-bar-chart {
  overflow-x: auto;
}

/* ---- Keyboard hint ---- */
.keyboard-hint {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: var(--space-4);
}

.key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-primary);
}

/* ---- Coming Soon Banner ---- */
.coming-soon {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-4);
  text-align: center;
}

.coming-soon-icon {
  font-size: 4rem;
  margin-bottom: var(--space-3);
}

.coming-soon-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.coming-soon-desc {
  color: var(--text-secondary);
  max-width: 400px;
}