:root {
  color-scheme: dark;
  --bg-0: #050912;
  --bg-1: #0d1424;
  --bg-2: #0f172a;
  --border: #1f2937;
  --glow: 0 20px 60px rgba(0, 182, 255, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 20% 20%, rgba(34, 211, 238, 0.08), transparent 30%),
    radial-gradient(circle at 80% 0%, rgba(59, 130, 246, 0.08), transparent 25%),
    linear-gradient(145deg, var(--bg-0), var(--bg-1) 45%, var(--bg-2));
  color: #e5e7eb;
  font-family: 'Space Grotesk', 'Inter', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.app-shell {
  background: transparent;
}

.app-card {
  background: rgba(15, 23, 42, 0.78);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--glow), 0 12px 40px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}

.media-dropzone {
  border: 1px dashed rgba(148, 163, 184, 0.5);
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.55);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.media-dropzone:hover {
  border-color: rgba(34, 211, 238, 0.7);
  background: rgba(15, 23, 42, 0.8);
  transform: translateY(-1px);
}

.media-dropzone__preview img {
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.4);
}

@media (max-width: 640px) {
  .app-card {
    border-radius: 18px;
  }
}