:root {
  --gradient-start: #6366f1;
  --gradient-end: #ec4899;
  --accent: #22d3ee;
  --bg-dark: #0f172a;
  --bg-card: rgba(15, 23, 42, 0.6);
}

body {
  font-family: 'Inter', 'Segoe UI', sans-serif;
  background: radial-gradient(circle at top left, rgba(99, 102, 241, 0.15), transparent 55%),
              radial-gradient(circle at bottom right, rgba(236, 72, 153, 0.12), transparent 45%),
              #020617;
  color: #e2e8f0;
  min-height: 100vh;
}

.blur {
  filter: blur(120px);
}

.hero-gradient {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.8), rgba(236, 72, 153, 0.8));
}

.glass-card {
  backdrop-filter: blur(16px);
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(148, 163, 184, 0.15);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.glass-card:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: rgba(56, 189, 248, 0.35);
  box-shadow: 0 20px 35px rgba(15, 23, 42, 0.55);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
  aspect-ratio: 4 / 3;
  cursor: pointer;
}

.gallery-item img,
.gallery-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0) 40%, rgba(15, 23, 42, 0.75) 100%);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.gallery-item:hover img,
.gallery-item:hover video {
  transform: scale(1.08);
}

.gallery-item:hover::after {
  opacity: 1;
}

.gallery-meta {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  right: 1rem;
  color: #f8fafc;
  z-index: 2;
}

.gallery-meta span {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(226, 232, 240, 0.2);
  backdrop-filter: blur(12px);
}

.filter-chip {
  border-radius: 9999px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  background: rgba(15, 23, 42, 0.35);
  transition: all 0.25s ease;
}

.filter-chip.active,
.filter-chip:hover {
  border-color: rgba(56, 189, 248, 0.6);
  color: #e0f2fe;
  background: rgba(56, 189, 248, 0.2);
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 9999px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
}

.btn-icon:hover {
  border-color: rgba(56, 189, 248, 0.6);
  color: #e0f2fe;
  background: rgba(56, 189, 248, 0.25);
}

#backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.85);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  z-index: 1055;
}

#backdrop.active {
  display: flex;
}

#backdrop .content {
  max-width: min(1000px, 92vw);
  width: 100%;
  border-radius: 1.5rem;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.7);
}

#backdrop img,
#backdrop video {
  display: block;
  width: 100%;
  height: auto;
}

#backdrop .details {
  padding: 1.5rem;
}

#backdrop .details h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

#backdrop .details p {
  color: #cbd5f5;
}

footer {
  background: rgba(15, 23, 42, 0.7);
  border-top: 1px solid rgba(148, 163, 184, 0.2);
}

.gallery-item.audio {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.65);
  border: 1px dashed rgba(148, 163, 184, 0.35);
}

.audio-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(226, 232, 240, 0.75);
  font-size: 3rem;
}

.empty-state {
  padding: 3rem 1.5rem;
  border: 1px dashed rgba(148, 163, 184, 0.3);
  border-radius: 1rem;
  text-align: center;
  color: #cbd5f5;
  display: grid;
  gap: 1rem;
  justify-items: center;
}

.empty-state i {
  font-size: 3rem;
  color: rgba(226, 232, 240, 0.65);
}

.audio-backdrop {
  min-height: 12rem;
}

.audio-backdrop .audio-player {
  max-width: 100%;
}