#gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1em;
}

#gallery img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  cursor: pointer;
  transition:
    transform 0.3s ease,
    border-radius 0.3s ease;
  border-radius: 50%;
}

#gallery img:hover {
  transform: scale(1.1);
  border-radius: 0;
}

#modal {
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
}

#modal-content {
  position: relative;
  margin: auto;
  padding: 20px;
  max-width: 90%;
  top: 50%;
  transform: translateY(-50%);
  text-align: center;
}

#modal-image {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
}

#image-caption {
  color: white;
  margin-top: 1em;
  text-align: center;
}

#prev-button,
#next-button,
#close-button {
  position: absolute;
  background-color: transparent;
  color: white;
  border: none;
  font-size: 35px;
  font-weight: bold;
}

#close-button {
  top: var(--nav-button-padding);
  inset-inline-end: var(--nav-button-padding);
  cursor: pointer;
  transition: color 0.3s ease;
}

#close-button:hover,
#close-button:focus {
  color: rgb(204, 204, 204);
}

#prev-button,
#next-button {
  top: 50%;
  transform: translateY(-50%);
  padding: 12px 16px;
  cursor: pointer;
  border-radius: 4px;
  transition: background-color 0.3s ease;
  z-index: 1001;
}

#prev-button {
  inset-inline-start: var(--nav-button-padding);
}

#next-button {
  inset-inline-end: var(--nav-button-padding);
}

#prev-button:hover,
#next-button:hover {
  background-color: rgba(0, 0, 0, 0.3);
}

#prev-button:disabled,
#next-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

#prev-button:disabled:hover,
#next-button:disabled:hover {
  background-color: transparent;
}

@media screen and (max-width: 600px) {
  #gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5em;
  }

  #gallery img {
    transition: none;
    border-radius: 8px;
  }

  #gallery img:hover {
    transform: none;
    border-radius: 8px;
  }

  #modal-content {
    max-width: 95%;
    padding: 10px;
  }

  #close-button {
    font-size: 28px;
    inset-inline-end: 15px;
  }

  #prev-button,
  #next-button {
    font-size: 20px;
    padding: 10px 12px;
  }

  #prev-button {
    inset-inline-start: 10px;
  }

  #next-button {
    inset-inline-end: 10px;
  }
}

@media screen and (max-width: 400px) {
  #gallery {
    grid-template-columns: 1fr;
  }

  #gallery img {
    transition: none;
  }

  #gallery img:hover {
    transform: none;
  }
}