/**
 * Calendar Heatmap CSS - Estilos para calendário visual em grid
 */

.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  padding: 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 8px;
  color: white;
}

.calendar-title {
  margin: 0;
  font-size: 24px;
  font-weight: 600;
}

.calendar-nav-btn {
  padding: 10px 20px;
  background-color: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: white;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.3s ease;
}

.calendar-nav-btn:hover {
  background-color: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
}

/* Grid de 12 meses */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  margin-bottom: 40px;
}

/* Mês individual */
.calendar-month {
  background: white;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 15px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.calendar-month:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

/* Título do mês */
.calendar-month-title {
  font-size: 16px;
  font-weight: 700;
  color: #333;
  margin-bottom: 12px;
  text-align: center;
  padding-bottom: 10px;
  border-bottom: 2px solid #667eea;
}

/* Header com dias da semana */
.calendar-days-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 8px;
}

.calendar-day-label {
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: #999;
  padding: 6px 0;
  text-transform: uppercase;
}

/* Grid de dias */
.calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}

/* Dia individual */
.calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  transition: all 0.2s ease;
  background-color: #f0f0f0;
  font-size: 11px;
  font-weight: 500;
  color: #333;
  border: 1px solid #ddd;
}

.calendar-day:not(.empty):hover {
  transform: scale(1.1);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  z-index: 10;
}

.calendar-day.empty {
  background-color: transparent;
  cursor: default;
  border: none;
}

.calendar-day-number {
  display: block;
  font-size: 11px;
  font-weight: 600;
}

/* Legenda */
.calendar-legend {
  background: white;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 20px;
  margin-top: 40px;
}

.legend-title {
  font-size: 14px;
  font-weight: 700;
  color: #333;
  margin-bottom: 15px;
}

.legend-items {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.legend-box {
  width: 30px;
  height: 30px;
  border-radius: 4px;
  border: 1px solid #ddd;
}

.legend-item span {
  font-size: 14px;
  color: #666;
}

/* Responsivo */
@media (max-width: 1024px) {
  .calendar-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .calendar-grid {
    grid-template-columns: 1fr;
  }

  .calendar-header {
    flex-direction: column;
    gap: 15px;
  }

  .calendar-nav-btn {
    width: 100%;
  }

  .calendar-legend {
    margin-top: 20px;
  }

  .legend-items {
    flex-direction: column;
    gap: 12px;
  }
}

/* Tooltip ao passar mouse */
.calendar-day {
  position: relative;
}

.calendar-day:hover::after {
  content: attr(title);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 12px;
  white-space: nowrap;
  z-index: 1000;
  margin-bottom: 8px;
}

.calendar-day:hover::before {
  content: "";
  position: absolute;
  bottom: calc(100% - 4px);
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: rgba(0, 0, 0, 0.8);
  z-index: 1000;
}