/* date-header — single column header for a date */

.date-header-root {
  width: var(--cell-width);
  min-width: var(--cell-width);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  height: var(--h-dates);
  border-right: 1px solid #f1f5f9;
  transition: background 0.15s ease;
  padding-top: 6px;
}

/* Colored top bar */
.date-header-top-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 0 0 2px 2px;
}

/* Event indicator */
.date-header-event-dot {
  position: absolute;
  top: 6px;
  right: 6px;
}

/* Weekday label */
.date-header-weekday {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #94a3b8;
  margin-bottom: 1px;
}

/* TODAY label */
.date-header-today-label {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #2563eb;
  margin-bottom: 1px;
}

/* Date text */
.date-header-date {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.date-header-date-today {
  color: #2563eb !important;
}

/* Weekend styling */
.date-header-bg-weekend {
  background-color: #f8fafc !important;
}
.date-header-text-weekend {
  color: #cbd5e1 !important;
}

/* Today column */
.date-header-today {
  background-color: #eff6ff !important;
}
.date-header-today .date-header-top-bar {
  height: 4px;
}

/* Reading mode highlight */
.date-header-reading-active {
  background-color: #fef08a !important;
  border-bottom: 2px solid #eab308;
}

/* Crosshair hover */
.date-header-col-hovered {
  background-color: var(--highlight-bg) !important;
  box-shadow: inset 1px 0 0 var(--highlight-border), inset -1px 0 0 var(--highlight-border);
  z-index: 1;
}

/* Highlight button - hidden by default, shown on hover */
.date-header-highlight-btn {
  position: absolute;
  bottom: 2px;
  right: 2px;
  opacity: 0;
  transition: opacity 0.2s;
}
.date-header-root:hover .date-header-highlight-btn,
.date-header-highlight-btn.date-header-is-active {
  opacity: 1;
}