.container {
  margin: 55px auto 0;
  padding: 20px;
  background-color: #333;
}

.slider-container {
  position: relative;
  width: 100%;
  height: 420px; /* desktop */
  overflow: hidden;
  background: #333;
}

/* Slides fill the container (no dead space) */
.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

.slide.active {
  opacity: 1;
}

/* Image fits inside without cropping */
.slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;       /* no cropping */
  object-position: center;   /* change to 'center top' if you want it higher */
  display: block;
  filter: drop-shadow(0.35rem 0.35rem 0.4rem rgba(0,0,0,0.5));
}

/* Arrows */
.arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background-color: rgba(0,0,0,0.5);
  color: #fff;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 50%;
  transition: background-color 0.3s, opacity 0.3s;
  opacity: 0;
  z-index: 2;
}

.arrow:hover {
  background-color: #1d44b8;
}

.slider-container:hover .arrow {
  opacity: 1;
}

.arrow-prev { left: 10px; }
.arrow-next { right: 10px; }

/* Hide arrows on smaller screens */
@media (max-width: 768px) {
  .arrow { display: none; }
  .slider-container { height: 260px; } /* mobile */
}

/* Optional: a bit taller on large desktops */
@media (min-width: 1200px) {
  .slider-container { height: 480px; }
}

/* Scope form controls (if any exist inside slider-container) */
.slider-container select,
.slider-container button {
  font-size: 16px;
}

.slider-container select {
  padding: 8px;
  margin-bottom: 20px;
}

.slider-container button {
  height: auto;
  padding: 5px 10px;
  margin-left: 10px;
  font-size: 14px;
}

/* If these elements exist only on the slider page, keep them here.
   If they exist elsewhere, scope them under a slider wrapper instead. */
@media screen and (max-width: 600px) {
  #current-image-url-container {
    justify-content: flex-start;
    padding-left: 15px;
    text-align: left;
    flex-direction: column;
    align-items: flex-start;
  }

  #current-image-url {
    font-size: 13px;
  }

  .download-button {
    margin-left: 0;
    margin-top: 5px;
    width: fit-content;
  }
}