/* PAD Cards Viewer chrome. Assumes /styles.css (Marya's hub CSS) is
 * already loaded and provides the palette + fonts + .card / .badge / .btn
 * baselines. This file only styles pieces unique to the viewer:
 * project/sample selectors, filter panel, card tile grid, pagination,
 * modal. Reuses --font-sans / --font-mono / --ink-* / --border throughout.
 */

.pad-cards-viewer { margin: 8px 0 24px; }

/* Field labels — mono uppercase caps, matches .target-heading register. */
.pad-cards-viewer label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 6px;
}

/* Selects + date inputs — Marya's control chrome at 13px sans. */
.pad-cards-viewer select,
.pad-cards-viewer input[type="date"] {
  width: 100%;
  padding: 7px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.4;
}
.pad-cards-viewer select:focus,
.pad-cards-viewer input[type="date"]:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.viewer-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 18px;
}
@media (max-width: 640px) { .viewer-row { grid-template-columns: 1fr; } }

/* --- Filter panel: subtle bordered box with a header toggle. --- */
.filter-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 22px;
  overflow: hidden;
}
.filter-toggle {
  width: 100%;
  padding: 9px 14px;
  background: var(--surface-2);
  border: none;
  border-bottom: 1px solid var(--border);
  text-align: left;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
}
.filter-toggle:hover { background: var(--surface-3); color: var(--ink); }
.filter-body { display: none; padding: 14px; }
.filter-body.open { display: block; }
.filter-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}
.filter-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* --- Card tile grid. --- */
#cardsGrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
  margin-top: 10px;
}

/* Tile: a compact version of Marya's .card. */
.pad-card-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color .15s ease, box-shadow .15s ease;
  display: flex;
  flex-direction: column;
}
.pad-card-tile:hover {
  border-color: var(--accent);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .05);
}
.pad-card-tile.deleted { border-color: var(--crit); }

.pad-card-tile .thumb {
  height: 150px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
}
.pad-card-tile .thumb img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.pad-card-tile .info {
  padding: 8px 10px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--ink-2);
}
.pad-card-tile .info .id {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-3);
  margin-bottom: 2px;
}
.pad-card-tile .badges {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-top: 4px;
}

/* Empty + loading states. */
#loadingCards {
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-3);
  font-size: 13px;
}
.loading-spinner {
  display: inline-block;
  width: 1.6rem;
  height: 1.6rem;
  border: 0.22rem solid var(--border);
  border-right-color: var(--accent);
  border-radius: 50%;
  animation: pad-spinner 0.75s linear infinite;
  margin-right: 10px;
}
@keyframes pad-spinner { to { transform: rotate(360deg); } }
.no-cards-message { color: var(--ink-3); font-style: italic; }

/* --- Pagination: plain <li>s styled as pills. --- */
.pagination-container {
  margin: 22px 0 6px;
  display: flex;
  justify-content: center;
}
.pagination-container ul {
  list-style: none;
  display: flex;
  gap: 4px;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}
.pagination-container li {
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  background: var(--surface);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
}
.pagination-container li:hover:not(.disabled):not(.active) {
  background: var(--accent-tint);
  border-color: var(--accent-tint-border);
}
.pagination-container li.active {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
  cursor: default;
}
.pagination-container li.disabled {
  color: var(--ink-3);
  cursor: not-allowed;
  opacity: 0.5;
}
.page-meta {
  text-align: center;
  color: var(--ink-3);
  font-size: 11.5px;
  margin: 10px 0;
  font-family: var(--font-mono);
}

/* --- Modal (plain, no Bootstrap). --- */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 1000;
  padding: 20px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.modal.open {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
.modal-dialog {
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  max-width: 900px;
  max-height: calc(100vh - 40px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.4);
  margin: 20px auto;
}
.modal-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--surface);
  flex-shrink: 0;
}
.modal-title {
  margin: 0;
  font-size: 15px;
  color: var(--ink);
  font-weight: 600;
}
.modal-close {
  background: transparent;
  border: none;
  color: var(--ink-2);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 6px;
  border-radius: 4px;
}
.modal-close:hover { color: var(--ink); background: var(--surface-2); }
.modal-body {
  padding: 16px;
  overflow-y: auto;
  flex: 1 1 auto;
}
.modal-body img {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  max-height: 55vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.modal-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  background: var(--surface);
  flex-shrink: 0;
}
.card-details { margin-top: 20px; }
.card-details h4 {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-family: var(--font-mono);
  font-weight: 600;
}
.card-details-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.card-details-table th,
.card-details-table td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.card-details-table th {
  width: 32%;
  background: var(--surface-2);
  color: var(--ink-2);
  font-weight: 600;
}