/* Shutdown Animation */
.shutdown-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #000000 0%, #1a1a2e 50%, #16213e 100%);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: shutdown-fade-in 0.5s ease-out;
}

.shutdown-content {
  text-align: center;
  color: #ffffff;
}

.shutdown-icon {
  font-size: 80px;
  color: var(--calendar-accent, #4fc3f7);
  margin-bottom: 20px;
  animation: shutdown-pulse 2s ease-in-out infinite;
}

.shutdown-text {
  font-size: 24px;
  font-weight: 600;
  color: #ffffff;
  text-shadow: 0 0 20px rgba(79, 195, 247, 0.5);
  animation: shutdown-text-glow 2s ease-in-out infinite;
}

@keyframes shutdown-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes shutdown-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

@keyframes shutdown-text-glow {
  0%, 100% {
    text-shadow: 0 0 20px rgba(79, 195, 247, 0.5);
  }
  50% {
    text-shadow: 0 0 30px rgba(79, 195, 247, 0.8);
  }
}
/* Confirmation Modal */
.confirmation-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.confirmation-modal.show {
  opacity: 1;
  visibility: visible;
}

.confirmation-content {
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.95) 0%, rgba(10, 15, 28, 0.95) 100%);
  border: 1px solid rgba(79, 195, 247, 0.3);
  border-radius: 16px;
  padding: 32px;
  max-width: 400px;
  width: 90%;
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 8px 32px rgba(79, 195, 247, 0.1);
  transform: scale(0.9) translateY(20px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.confirmation-modal.show .confirmation-content {
  transform: scale(1) translateY(0);
}

.confirmation-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.confirmation-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--calendar-accent, #4fc3f7), rgba(79, 195, 247, 0.6));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(79, 195, 247, 0.3);
}

.confirmation-icon i {
  font-size: 24px;
  color: #ffffff;
}

.confirmation-title {
  font-size: 24px;
  font-weight: 600;
  color: #ffffff;
  margin: 0;
  text-shadow: 0 0 10px rgba(79, 195, 247, 0.3);
}

.confirmation-body {
  margin-bottom: 32px;
}

.confirmation-body p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
  margin: 0;
  text-align: center;
}

.confirmation-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.confirmation-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 120px;
  justify-content: center;
}

.cancel-btn {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.cancel-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  transform: translateY(-1px);
}

.confirm-btn {
  background: linear-gradient(135deg, var(--calendar-accent, #4fc3f7), rgba(79, 195, 247, 0.8));
  color: #ffffff;
  border: 1px solid var(--calendar-accent, #4fc3f7);
  box-shadow: 0 4px 15px rgba(79, 195, 247, 0.3);
}

.confirm-btn:hover {
  background: linear-gradient(135deg, rgba(79, 195, 247, 0.9), var(--calendar-accent, #4fc3f7));
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(79, 195, 247, 0.4);
}

.confirmation-btn i {
  font-size: 14px;
}