/* ===== Custom Alert Popup ===== */

#alert-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  z-index: 9998;
  opacity: 0;
  transition: opacity 0.4s ease;
}

#custom-alert {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: #111827; /* dark navy */
  color: #e2e8f0; /* light gray text */
  padding: 28px 42px;
  border-radius: 14px;
  box-shadow: 0 8px 30px rgba(0, 255, 255, 0.2);
  z-index: 9999;
  text-align: center;
  max-width: 340px;
  width: 85%;
  opacity: 0;
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 255, 255, 0.25);
  font-family: "Poppins", sans-serif;
}

#custom-alert.active {
  display: block;
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

#alert-overlay.active {
  display: block;
  opacity: 1;
}

#alert-message {
  font-size: 16px;
  margin-bottom: 18px;
  line-height: 1.5;
}

#alert-close {
  background: linear-gradient(90deg, #06b6d4, #3b82f6);
  color: #fff;
  border: none;
  padding: 9px 26px;
  border-radius: 8px;
  font-weight: 500;
  letter-spacing: 0.4px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 0 8px rgba(6, 182, 212, 0.5);
}

#alert-close:hover {
  transform: scale(1.05);
  box-shadow: 0 0 14px rgba(59, 130, 246, 0.6);
}


#custom-alert.success #alert-message {
  color: #22d3ee; /* cyan accent */
}

#custom-alert.error #alert-message {
  color: #f87171; /* soft red */
}

/* Fade animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translate(-50%, -60%) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}