:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1a1d21;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #2563eb;
  --accent-contrast: #ffffff;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --surface: #171b21;
    --text: #e7e9ec;
    --muted: #9aa3ad;
    --border: #272c34;
    --accent: #3b82f6;
    --accent-contrast: #ffffff;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.4;
}

/* ---------- Cabeçalho ---------- */
.topo {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 14px 16px 10px;
}

.topo-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
}

.topo h1 {
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

#busca {
  flex: 1;
  min-width: 180px;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}

#busca:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.filtros {
  display: flex;
  gap: 8px;
  max-width: 1200px;
  margin: 10px auto 0;
  overflow-x: auto;
}

.filtros button {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
}

.filtros button.ativo {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
}

/* ---------- Conteúdo ---------- */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px;
}

.status {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 4px 2px 16px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.card {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.card img,
.card video {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--bg);
  display: block;
}

.card video {
  object-fit: contain;
}

.card figcaption {
  padding: 8px 10px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.card .nome {
  font-size: 0.9rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card .meta {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: capitalize;
}

/* ---------- Rodapé ---------- */
.rodape {
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 16px;
  color: var(--muted);
  font-size: 0.8rem;
}

@media (max-width: 480px) {
  .grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
  }
}