* {
  box-sizing: border-box;
}
body {
  font-family: system-ui, Arial, sans-serif;
  margin: 0;
  background: #fafafa;
  color: #222;
}
.container {
  max-width: 900px;
  margin: 2rem auto;
  padding: 1rem;
}
.slideshow {
  position: relative;
  display: grid;
  place-items: center;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: #eee;
}
.slideshow img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.caption {
  position: absolute;
  bottom: 0;
  width: 100%;
  backdrop-filter: blur(6px);
  background: rgba(0, 0, 0, 0.35);
  color: #fff;
  padding: 0.5rem 0.75rem;
  font-weight: 600;
}
.controls {
  display: flex;
  gap: 0.5rem;
  margin: 1rem 0;
}
.controls button {
  padding: 0.6rem 1rem;
  border-radius: 10px;
  border: 1px solid #ccc;
  cursor: pointer;
  background: #fff;
}
.count-form {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}