/* =========================================================
   tables.css — I-O Table Explorer styles
   Extends site.css; uses CSS custom properties from :root.
   ========================================================= */

/* ----- Explorer controls bar ------------------------------ */

.explorer-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 20px;
  align-items: flex-end;
  padding: 16px 0 4px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 16px;
}

.ctrl-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ctrl-group label {
  font-size: .76rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 0;
}

.ctrl-group select,
.ctrl-group input[type="search"] {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: .88rem;
  background: var(--paper);
  color: var(--ink);
  min-width: 140px;
  transition: border-color .12s;
}

.ctrl-group select:focus,
.ctrl-group input[type="search"]:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 2px rgba(26, 58, 92, .12);
}

.ctrl-search input[type="search"] {
  min-width: 200px;
}

/* ----- Caption / matrix info bar ------------------------- */

.explorer-caption {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: baseline;
  padding: 10px 0 6px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 14px;
}

.caption-label {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1rem;
  color: var(--navy);
  font-weight: 600;
  flex: 1 1 300px;
}

.caption-desc {
  font-size: .87rem;
  color: var(--muted);
  font-style: italic;
  flex: 2 1 360px;
}

.caption-dims {
  font-size: .78rem;
  color: var(--muted);
  white-space: nowrap;
  background: var(--cream);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--line);
  align-self: center;
}

/* ----- Search hit banner ---------------------------------- */

.search-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fffbe6;
  border: 1px solid #ffe082;
  border-radius: 6px;
  padding: 7px 14px;
  font-size: .87rem;
  color: #7a5c00;
  margin-bottom: 14px;
}

.search-clear-btn {
  background: none;
  border: 1px solid #c8a400;
  border-radius: 4px;
  padding: 2px 8px;
  cursor: pointer;
  font-size: .8rem;
  color: #7a5c00;
  margin-left: auto;
}

.search-clear-btn:hover {
  background: #ffe082;
}

/* ----- Loading / error status ----------------------------- */

.explorer-status {
  padding: 32px;
  text-align: center;
  color: var(--muted);
  font-size: .95rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 14px;
}

.explorer-status.error {
  color: var(--brick);
  background: #fdf2f2;
  border-color: #f5c6c6;
}

/* ----- Explorer view containers --------------------------- */

.explorer-view {
  margin-bottom: 8px;
}

#explorer-heatmap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  overflow: hidden;
  min-height: 500px;
}

/* ----- Grid view ----------------------------------------- */

#explorer-grid {
  max-height: 600px;
  overflow: auto;
  position: relative;
}

#grid-inner {
  overflow: visible;
}

table.io-grid {
  width: 100%;
  border-collapse: collapse;
  font-size: .78rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

table.io-grid th,
table.io-grid td {
  text-align: right;
  padding: 4px 8px;
  border-bottom: 1px solid var(--line);
  min-width: 72px;
}

/* Sticky corner cell */
table.io-grid th.corner {
  text-align: left;
  background: var(--cream);
  position: sticky;
  top: 0;
  left: 0;
  z-index: 4;
  font-size: .72rem;
  color: var(--muted);
  min-width: 180px;
  max-width: 220px;
  white-space: normal;
}

/* Sticky header row (column labels) */
table.io-grid thead th {
  position: sticky;
  top: 0;
  z-index: 3;
  background: var(--cream);
  font-size: .72rem;
  color: var(--muted);
  letter-spacing: .02em;
  font-weight: 600;
  writing-mode: initial;
  padding: 6px 8px;
}

/* Sticky first column (row labels) */
table.io-grid tbody td:first-child {
  text-align: left;
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--cream);
  font-weight: 500;
  max-width: 220px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: default;
  font-size: .8rem;
  color: var(--ink);
}

/* Row hover */
table.io-grid tbody tr:hover td {
  background: #f0f6ff;
}

table.io-grid tbody tr:hover td:first-child {
  background: #ddeeff;
}

/* Header column hover highlight */
table.io-grid th.col-highlight {
  background: #ddeeff !important;
  color: var(--navy) !important;
}

/* Row label hit highlight */
table.io-grid td.row-hit:first-child {
  background: #d0eef0 !important;
  color: var(--teal) !important;
  font-weight: 600;
}

/* Column header hit */
table.io-grid th.col-hit {
  background: #d0eef0 !important;
  color: var(--teal) !important;
}

/* Value cell hit intersection */
table.io-grid td.cell-hit {
  background: #e8f9f7;
}

/* Cell value coloring (light heat scale added by JS via inline opacity) */
table.io-grid td.val-cell {
  transition: background .05s;
}

/* ----- Download bar --------------------------------------- */

.download-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 12px 16px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-top: 16px;
  font-size: .84rem;
}

.dl-bar-label {
  color: var(--muted);
  font-weight: 500;
  white-space: nowrap;
}

.dl-bar-sep {
  color: var(--line);
}

.dl-link {
  display: inline-block;
  border: 1px solid var(--navy);
  color: var(--navy);
  border-radius: 5px;
  padding: 3px 10px;
  font-size: .78rem;
  font-weight: 500;
  text-decoration: none;
  transition: background .1s, color .1s;
  white-space: nowrap;
}

.dl-link:hover {
  background: var(--navy);
  color: #fff;
  text-decoration: none;
}

.dl-link-bulk {
  border-color: var(--teal);
  color: var(--teal);
}

.dl-link-bulk:hover {
  background: var(--teal);
  color: #fff;
}

/* ----- Compact table-embed (hydrated by tables.js globally) */

.table-embed-compact {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  margin: 20px 0;
  overflow: hidden;
}

.table-embed-compact .tec-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  background: var(--cream);
  border-bottom: 1px solid var(--line);
  font-size: .82rem;
  color: var(--muted);
}

.table-embed-compact .tec-title {
  font-weight: 600;
  color: var(--navy);
}

.table-embed-compact .tec-open {
  font-size: .78rem;
  color: var(--navy);
  text-decoration: none;
  border: 1px solid var(--navy);
  border-radius: 4px;
  padding: 2px 8px;
}

.table-embed-compact .tec-open:hover {
  background: var(--navy);
  color: #fff;
  text-decoration: none;
}

.table-embed-compact .tec-body {
  max-height: 280px;
  overflow: auto;
}

.table-embed-compact .tec-error {
  padding: 16px;
  color: var(--brick);
  font-size: .88rem;
}

.table-embed-compact .tec-loading {
  padding: 16px;
  color: var(--muted);
  font-size: .88rem;
}

/* ----- Responsive ---------------------------------------- */

@media (max-width: 680px) {
  .explorer-controls {
    gap: 12px;
  }

  .ctrl-group select,
  .ctrl-group input[type="search"] {
    min-width: 110px;
  }

  .download-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .caption-label,
  .caption-desc {
    flex-basis: 100%;
  }

  #explorer-grid {
    max-height: 400px;
  }
}