/* txLearn NFT mint and viewer. No inline styles. */
.tools-sub { margin: 0 0 14px; font-size: 14px; }
.feature-help { margin: 0 0 8px; padding-left: 18px; font-size: 13px; color: var(--muted); }
.feature-help li { margin: 2px 0; }
.form-grid > p { grid-column: 1 / -1; margin: 0; }
.tools-sub a[aria-current="page"] { font-weight: 600; color: var(--heading); text-decoration: none; }
.checkline { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 8px 0 12px; }
.checkline label { display: flex; gap: 8px; align-items: center; font-weight: 600; font-size: 13px; }
.nft-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; }
.nft-card { display: flex; flex-direction: column; gap: 8px; color: inherit; text-decoration: none; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); padding: 10px; min-width: 0; }
.nft-card:hover { border-color: var(--hl-rule); }
.nft-card img, .nft-card video, .media-frame img, .media-frame video { width: 100%; aspect-ratio: 1; object-fit: cover; background: var(--surface-2); border-radius: 8px; }
.media-frame { max-width: 420px; }
.media-frame img, .media-frame video { aspect-ratio: 1; }
.nft-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.prog { height: 8px; background: var(--bar-bg); border-radius: 99px; overflow: hidden; margin: 8px 0; }
.prog > span { display: block; height: 100%; background: var(--bar); width: 0; }
.row-ok { color: var(--pos); } .row-bad { color: var(--neg); }
@media (max-width: 640px) {
  .nft-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-grid .wide { grid-column: auto; }
}