.source-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.source-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}

.source-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  border: 0;
  background: #000;
}

.source-card-body {
  padding: 16px;
}

.source-meta {
  margin-bottom: 7px;
  color: var(--text-secondary);
  font-size: .76rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.source-card h3 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.3;
}

.source-card p {
  margin: 10px 0 0;
  color: var(--text-secondary);
  font-size: .9rem;
}

.source-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.source-actions a {
  text-decoration: none;
}

#sourceDialog .dialog-form {
  width: min(560px, calc(100vw - 32px));
}