/* Scroll Buttons - Both Top and Bottom */
.scroll-button {
  position: fixed;
  right: 30px;
  width: 50px;
  height: 50px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.scroll-button.visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

#back-to-top {
  bottom: 100px;
  background: var(--accent-color, #00aaff);
  transform: translateX(100px);
}

#back-to-top:hover {
  background: linear-gradient(135deg, var(--accent-color), #0088cc);
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 8px 25px rgba(0, 170, 255, 0.5);
}

#back-to-top:active {
  transform: translateY(-3px) scale(0.98);
}

#scroll-to-bottom {
  bottom: 30px;
  background: var(--neon-green, #0aff9d);
  color: #000;
  transform: translateX(100px);
}

#scroll-to-bottom:hover {
  background: linear-gradient(135deg, #0aff9d, #00ff88);
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 8px 25px rgba(10, 255, 157, 0.5);
}

#scroll-to-bottom:active {
  transform: translateY(-3px) scale(0.98);
}

#back-to-top:focus-visible,
#scroll-to-bottom:focus-visible {
  outline: 3px solid var(--accent-color);
  outline-offset: 4px;
}

.scroll-button::before {
  content: attr(aria-label);
  position: absolute;
  right: calc(100% + 10px);
  background: rgba(0, 0, 0, 0.9);
  color: white;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  font-family: inherit;
}

.scroll-button:hover::before {
  opacity: 1;
}

@media (max-width: 768px) {
  .scroll-button {
    right: 20px;
    width: 45px;
    height: 45px;
    font-size: 1rem;
  }

  #back-to-top {
    bottom: 80px;
  }

  #scroll-to-bottom {
    bottom: 20px;
  }

  .scroll-button::before {
    display: none;
  }
}

@media (max-width: 480px) {
  .scroll-button {
    right: 15px;
    width: 40px;
    height: 40px;
    font-size: 0.9rem;
  }

  #back-to-top {
    bottom: 70px;
  }

  #scroll-to-bottom {
    bottom: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-button {
    transition:
      opacity 0.2s ease,
      visibility 0.2s ease;
  }

  .scroll-button:hover {
    transform: none;
  }
}

@media (prefers-contrast: high) {
  .scroll-button {
    border: 2px solid currentColor;
  }
}