/* ===== Galleri (index.php) ===== */
html, body {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  background: #111;
  color: #fff;
}

a {
  color: #F3114E;
  text-decoration: underline;
}

.back-link-container {
  text-align: center;
  margin: 20px 0;
}

.back-link-container a {
  text-decoration: none;
  color: #00bfff;
  font-weight: bold;
  font-size: 1.1rem;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  padding: 10px;
}

.gallery img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  cursor: pointer;
  transition: transform 0.2s;
}

.gallery img:hover {
  transform: scale(1.03);
}

/* ===== Popup (popup.php) ===== */
.popup-body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  width: 1280px;
  height: 800px;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.popup-img {
  max-height: 100%;
  max-width: calc(100% - 120px);
  border-radius: 8px;
  cursor: pointer;
  display: block;
  margin: 0 auto;
}

.nav-button {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  cursor: pointer;
  font-size: 32px;
  color: #fff;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.nav-left {
  left: 10px;
}

.nav-right {
  right: 10px;
}