/* ===== Calendar Container ===== */
.calendar-container {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  user-select: none;
}

/* ===== Calendar Header ===== */
.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-light);
}

.calendar-nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}
.calendar-nav-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-bg); }

.calendar-month-label {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ===== Calendar Grid ===== */
.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  padding: 12px 16px 8px;
  text-align: center;
}

.calendar-weekday {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  font-weight: 500;
  padding: 4px 0;
}
.calendar-weekday.weekend { color: var(--accent-light); }

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  padding: 0 12px 12px;
  gap: 2px;
}

/* ===== Calendar Day ===== */
.calendar-day {
  position: relative;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition);
  min-height: 44px;
}

.calendar-day:hover { background: var(--bg-hover); }
.calendar-day.empty { cursor: default; }
.calendar-day.empty:hover { background: transparent; }

.calendar-day.today {
  background: var(--accent-bg);
}

.calendar-day.selected {
  background: var(--accent);
}
.calendar-day.selected .day-num { color: #FFFFFF; }
.calendar-day.selected .day-lunar { color: rgba(255,255,255,0.7); }
.calendar-day.selected .day-dot { background: #FFFFFF; }

.calendar-day.other-month .day-num { color: var(--text-muted); }

.day-num {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1;
}

.day-lunar {
  font-size: 0.6rem;
  color: var(--text-muted);
  line-height: 1;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
}

/* 周日农历红色 */
.calendar-day:nth-child(7n+1) .day-lunar { color: var(--accent-light); }

.day-dot {
  position: absolute;
  bottom: 6px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green-dot);
}

/* ===== Calendar Footer ===== */
.calendar-footer {
  padding: 8px 24px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.calendar-legend {
  display: flex;
  align-items: center;
  gap: 6px;
}

.legend-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green-dot);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .calendar-header { padding: 12px 16px; }
  .calendar-weekdays { padding: 8px 10px 4px; }
  .calendar-grid { padding: 0 8px 8px; }
  .calendar-day { min-height: 36px; border-radius: 6px; }
  .day-num { font-size: 0.8rem; }
  .day-lunar { font-size: 0.55rem; }
  .calendar-footer { padding: 4px 16px 12px; }
}