* {
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, #1a1a1a, #000),
    linear-gradient(120deg, rgba(255,255,255,0.05), transparent);
  color: white;
}

.glass {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(30px);
  border-radius: 28px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.12),
    0 40px 120px rgba(0,0,0,0.8);
}

.header {
  margin: 40px;
  padding: 32px;
}

.gallery {
  columns: 4 280px;
  gap: 24px;
  padding: 40px;
}

.item {
  margin-bottom: 24px;
  border-radius: 22px;
  overflow: hidden;
  background: rgba(255,255,255,0.06);
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  transition: transform .4s ease;
}

.item:hover {
  transform: scale(1.03);
}

.item img,
.item video {
  width: 100%;
  display: block;
}

.admin {
  margin: 40px;
  padding: 32px;
}

button {
  margin-top: 12px;
  padding: 10px 18px;
  border-radius: 12px;
  border: none;
  background: white;
  color: black;
  cursor: pointer;
}

.hint {
  opacity: 0.6;
  font-size: 13px;
}