:root {
  --bg: #0f172a;
  --card-bg: #1e293b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-dark: #0284c7;
  --border: #334155;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  padding: 3rem 1.5rem 2rem;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

header h1 {
  margin-bottom: 0.5rem;
  font-size: 1.9rem;
}

.subtitle {
  color: var(--muted);
  line-height: 1.5;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.upload-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

input[type="file"] {
  color: var(--text);
}

button {
  background: var(--accent);
  color: #0f172a;
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1.2rem;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  background: var(--accent-dark);
  color: white;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

#upload-status {
  width: 100%;
  color: var(--muted);
  margin: 0;
}

.gallery-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.2rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
  background: #0b1220;
}

.card-body {
  padding: 0.8rem;
}

.card-body .status {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin: 0 0 0.4rem;
}

.card-body .labels {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
}

footer {
  text-align: center;
  padding: 2rem 0;
  color: var(--muted);
}

footer a {
  color: var(--accent);
}