body {
  margin: 0;
  font-family: Tahoma, sans-serif;
  background: #f3f3f3;
  color: #333;
  height: 100vh;
  overflow: hidden;
}

#viewer {
  display: grid;
  grid-template-columns: 250px 1fr;
  height: 100vh;
}

#sidebar {
  background: #fff;
  border-right: 1px solid #ccc;
  padding: 10px;
  overflow-y: auto;
}

#slideList {
  list-style: none;
  margin: 0;
  padding: 0;
}

#slideList li {
  padding: 10px;
  cursor: pointer;
  border-bottom: 1px solid #eee;
  text-align: center;
  margin-bottom: 5px;
  background-image: url('centerbg.gif');
  background-size: cover;
  transition: background-color 0.3s, color 0.3s;
}

#slideList li.active {
  background-color: #ee5213 !important;
  background-image: none;
  color: black !important;
}

#slideList li:hover {
  background-color: #d06565;
}



.slide {
  display: none;
}


#controls {
  background: #fff;
  border-top: 1px solid #ddd;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  padding: 10px;
  height: 50px;     /* 🟡 sabit yükseklik */
  flex-shrink: 0;   /* aşağıda kalmayı garantiler */
}

#slideInfo {
  font-weight: bold;
  color: #333;
}

button {
  background: #6c63ff;
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background: #524fd4;
}

#content {
  position: relative;
  background: #000; /* slayt arka planı siyah */
  display: flex;
  flex-direction: column;
  height: 100%; /* tam yüksekliği koru */
}

#slides {
  flex: 1;                /* kalan alanı doldurur */
  position: relative;
  background-color: black;
  display: flex;
  justify-content: center;
  align-items: center;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
}

.slide.active {
  display: block;
}

.slide img {
  width: auto;
  max-width: 100%;
  max-height: 90vh;  /* 🟡 Resim altındaki kontrol alanı için boşluk bırak */
  object-fit: contain;
  object-position: center;
  background-color: black;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  justify-content: center;
  align-items: center;
}

.slide.active {
  display: flex;
}

/* 🔥 RESİM ORTALI VE TAM EKRAN */
.slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;   /* Taşmadan sığdırır */
  object-position: center center; /* Ortalar */
  background-color: black;
  display: block;
}