.calendar-page {
  background: #ffffff;
  color: #333;
  line-height: 1.6;
}

.calendar-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 10px 16px;
}

.calendar-header {
  text-align: center;
  margin-bottom: 50px;
}

.calendar-header h2 {
  font-size: 2.5em;
  color: #c51364;
  margin-bottom: 10px;
  font-weight: 700;
}

.calendar-header p {
  font-size: 1.2em;
  color: #666;
}

.calendar-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 50px;
}

.calendar-tab-btn {
  padding: 12px 24px;
  background-color: #c51364;
  color: #ffffff;
  border: none;
  border-radius: 25px;
  font-size: 1em;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.calendar-tab-btn:hover {
  background-color: #a01050;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(197, 19, 100, 0.3);
}

.calendar-tab-btn.active {
  background-color: #c51364;
  box-shadow: 0 4px 12px rgba(197, 19, 100, 0.4);
}

.calendar-content {
  display: none;
}

.calendar-content.active {
  display: block;
}

.semester-title {
  font-size: 2em;
  color: #c51364;
  margin-bottom: 40px;
  font-weight: 700;
  text-align: center;
}

.calendar-month {
  margin-bottom: 40px;
}

.calendar-month h4 {
  font-size: 1.5em;
  color: #212121;
  margin-bottom: 20px;
  font-weight: 600;
  padding-bottom: 10px;
  border-bottom: 2px solid #e0e0e0;
}

.calendar-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.calendar-list li {
  padding: 12px 0;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.calendar-list li:last-child {
  border-bottom: none;
}

.calendar-list .date {
  font-weight: 600;
  color: #c51364;
  min-width: 120px;
  flex-shrink: 0;
  font-size: 0.95em;
}

.calendar-list .event {
  color: #555;
  flex: 1;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .calendar-container {
    padding: 0 16px;
  }

  .calendar-header h2 {
    font-size: 2em;
  }

  .calendar-header p {
    font-size: 1em;
  }

  .calendar-tabs {
    gap: 10px;
    margin-bottom: 30px;
  }

  .calendar-tab-btn {
    padding: 10px 18px;
    font-size: 0.9em;
  }

  .semester-title {
    font-size: 1.6em;
    margin-bottom: 30px;
  }

  .calendar-month {
    margin-bottom: 30px;
  }

  .calendar-month h4 {
    font-size: 1.3em;
  }

  .calendar-list li {
    flex-direction: column;
    gap: 8px;
    padding: 10px 0;
  }

  .calendar-list .date {
    min-width: auto;
    font-size: 0.9em;
  }

  .calendar-list .event {
    font-size: 0.95em;
  }
}

@media (max-width: 576px) {
  .calendar-header h2 {
    font-size: 1.8em;
  }

  .calendar-tab-btn {
    padding: 8px 16px;
    font-size: 0.85em;
  }

  .semester-title {
    font-size: 1.4em;
  }

  .calendar-month h4 {
    font-size: 1.2em;
  }
}