:root {
  --primary-color: #667eea;
  --secondary-color: #764ba2;
  --white: #ffffff;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --border-radius: 12px;
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.wp-calendar-pro-container {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
  min-height: 600px;
}

.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  background: var(--gradient-primary);
  color: white;
}

.calendar-navigation {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
}

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

.calendar-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
}

.create-event-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 10px 20px;
  background: white;
  color: var(--primary-color);
  border: none;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
}

.create-event-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.calendar-content {
  height: calc(100% - 90px);
  padding: 1rem;
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  background: var(--gray-100);
  border-radius: 8px 8px 0 0;
}

.weekday {
  padding: 1rem;
  text-align: center;
  font-weight: 600;
  color: #374151;
}

.calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  grid-template-rows: repeat(6, 1fr);
  gap: 1px;
  background: var(--gray-200);
  min-height: 400px;
}

.calendar-day {
  background: white;
  padding: 0.5rem;
  cursor: pointer;
  transition: background-color 0.2s;
  min-height: 80px;
}

.calendar-day:hover {
  background: var(--gray-100);
}

.calendar-day.today {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
}

.calendar-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.calendar-modal.show {
  display: flex;
}

.modal-content {
  background: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-content h3 {
  margin-top: 0;
  color: var(--primary-color);
}

.modal-content input,
.modal-content textarea {
  width: 100%;
  padding: 0.75rem;
  margin-bottom: 1rem;
  border: 2px solid var(--gray-200);
  border-radius: 8px;
  transition: border-color 0.2s;
}

.modal-content input:focus,
.modal-content textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.modal-content button {
  padding: 0.75rem 1.5rem;
  margin-right: 0.5rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s;
}

.modal-content button[type="submit"] {
  background: var(--gradient-primary);
  color: white;
}

.modal-content button[type="button"] {
  background: var(--gray-200);
  color: #374151;
}

@media (max-width: 768px) {
  .calendar-header {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }
  
  .calendar-day {
    min-height: 60px;
    padding: 0.25rem;
  }
  
  .modal-content {
    margin: 1rem;
    padding: 1.5rem;
  }
}