/* Activity Page Styles */

.header-nav {
  display: flex;
  gap: 1rem;
}

.nav-link {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-decoration: none;
}

.nav-link.active,
.nav-link:hover {
  color: var(--text-primary);
}

/* Activity Stats */
.activity-stats {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  text-transform: uppercase;
}

/* Activity Container */
.activity-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Year Row */
.year-row {
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  margin-bottom: 0.5rem;
}

.year-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.year-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  min-width: 4ch;
}

.year-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
}

/* Month Grid (12 cells) */
.months-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 3px;
}

.month-cell {
  aspect-ratio: 1;
  border-radius: 2px;
  cursor: pointer;
  transition: transform 0.1s, opacity 0.1s;
  position: relative;
}

.month-cell:hover {
  transform: scale(1.1);
  opacity: 0.9;
}

.month-cell.selected {
  outline: 2px solid var(--text-primary);
  outline-offset: 1px;
}

/* Heat levels (grayscale) */
.heat-0 { background-color: var(--border-color); }
.heat-1 { background-color: #cccccc; }
.heat-2 { background-color: #999999; }
.heat-3 { background-color: #666666; }
.heat-4 { background-color: #333333; }

@media (prefers-color-scheme: dark) {
  .heat-0 { background-color: #161b22; }
  .heat-1 { background-color: #333333; }
  .heat-2 { background-color: #555555; }
  .heat-3 { background-color: #888888; }
  .heat-4 { background-color: #cccccc; }
}

/* Tooltip */
.month-cell[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text-primary);
  color: var(--bg-primary);
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  white-space: nowrap;
  z-index: 10;
  margin-bottom: 4px;
}

/* Month Detail (expanded view) */
.month-detail {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--border-color);
  border-radius: 4px;
}

@media (prefers-color-scheme: dark) {
  .month-detail {
    background: #161b22;
  }
}

.month-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.month-detail-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
}

.month-detail-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1rem;
  padding: 0;
}

.month-detail-close:hover {
  color: var(--text-primary);
}

/* Week labels */
.week-labels {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
  margin-bottom: 0.5rem;
}

.week-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-secondary);
  text-align: center;
}

/* Days Grid (weeks as rows, days as columns) */
.days-grid {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.week-row {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
}

.day-cell {
  aspect-ratio: 1;
  border-radius: 2px;
  cursor: pointer;
  transition: transform 0.1s;
}

.day-cell:not(.empty):hover {
  transform: scale(1.2);
}

.day-cell.empty {
  background: transparent !important;
  cursor: default;
}

.day-cell[data-tooltip]:not(.empty):hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text-primary);
  color: var(--bg-primary);
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  white-space: nowrap;
  z-index: 10;
  margin-bottom: 4px;
}

/* Bookmarks list for day */
.day-bookmarks {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.day-bookmarks-header {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.day-bookmark-item {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

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

.day-bookmark-link {
  font-size: 0.85rem;
  color: var(--text-primary);
  text-decoration: none;
}

.day-bookmark-link:hover {
  text-decoration: underline;
}

.day-bookmark-domain {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-left: 0.5rem;
}

/* Mobile adjustments */
@media (max-width: 600px) {
  .months-grid {
    gap: 2px;
  }
  
  .week-row {
    gap: 2px;
  }
}