/* Shared public collection browsing, progress, and preview navigation. */
.collection-navigation { display: flex; flex-wrap: wrap; gap: 8px; padding-bottom: 16px; margin-block: 24px; border-bottom: 1px solid var(--line); }
.collection-navigation > * { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 16px; border-radius: 6px; color: var(--accent); text-decoration: none; font-size: .9375rem; }
.collection-navigation [aria-current=page], .collection-navigation a:hover { background: #e6ece3; }
.collection-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: stretch; }
.puzzle-card--collection { gap: 24px; }
.puzzle-card--collection .puzzle-card-title { display: block; text-align: left; }
.collection-card-heading { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.collection-card-heading h2 { flex: 0 0 auto; max-width: 100%; overflow-wrap: anywhere; }
.collection-card-meta { max-width: 100%; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.collection-card-actions { display: grid; grid-auto-flow: column; grid-auto-columns: auto; gap: 12px; margin-top: auto; }
.collection-card-actions .button_to { display: contents; }
.collection-card-actions .public-button { padding-inline: 12px; overflow-wrap: normal; text-align: center; text-wrap: balance; }
.collection-notes { margin-top: 32px; font-size: .875rem; color: var(--muted); }
.collection-empty { padding-block: 32px; text-align: center; color: var(--muted); }
.collection-overview { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; margin-block: 24px; }
.collection-overview h2 { margin-bottom: 8px; }
.collection-overview p { margin: 0; }
.collection-progress { display: grid; gap: 8px; min-width: 200px; max-width: 100%; font-size: .875rem; color: var(--muted); }
.collection-progress progress { width: 100%; height: 8px; border: 0; border-radius: 4px; overflow: hidden; background: var(--line); accent-color: var(--accent); }
.collection-progress progress::-webkit-progress-bar { background: var(--line); }
.collection-progress progress::-webkit-progress-value { background: var(--accent); }
.collection-progress progress::-moz-progress-bar { background: var(--accent); }
.collection-puzzles { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.collection-puzzles > li { display: grid; grid-template-columns: 48px minmax(0, 1fr) auto; gap: 20px; align-items: center; padding: 20px 24px; }
.collection-puzzles > li + li { border-top: 1px solid var(--line); }
.collection-puzzle-number { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 6px; background: #e6ece3; color: var(--accent); font-family: var(--font-sans); font-size: 1.5rem; }
.collection-puzzle-description h3 { font: inherit; font-weight: 600; margin: 0 0 4px; }
.collection-puzzle-description p { margin: 0; }
.collection-puzzle-actions { display: flex; gap: 12px; align-items: stretch; }
.collection-puzzle-actions form { display: flex; margin: 0; }
.collection-puzzle-actions .public-button { width: 100%; }
.collection-context { overflow-wrap: anywhere; margin-bottom: 24px; }
.collection-preview-toolbar { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 16px; }
.collection-preview-toolbar .public-form { flex: 1 1 320px; margin-bottom: 0; min-width: 0; }
.collection-preview-steps > .button_to { margin: 0; }
.collection-preview-steps { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.collection-preview-steps .field-hint { margin: 0; width: 8ch; flex: 0 0 8ch; text-align: center; font-variant-numeric: tabular-nums; white-space: nowrap; }
@media (max-width: 640px) {
  .collection-cards { grid-template-columns: minmax(0, 1fr); }
  .collection-navigation { gap: 4px; }
  .collection-navigation > * { padding-inline: 12px; }
  .collection-puzzles > li { grid-template-columns: 48px minmax(0, 1fr); gap: 16px; padding: 20px; }
  .collection-puzzle-actions { grid-column: 1 / -1; }
  .collection-puzzle-actions > * { flex: 1; }
  .collection-progress, .collection-preview-steps { width: 100%; }
  .collection-preview-steps:has(> .button_to) { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .collection-preview-steps > .button_to .public-button { width: 100%; }
  .collection-preview-steps:has(> .button_to) .field-hint { justify-self: center; }
}