/* =========================================================
   tools — page-specific styles  →  assets/css/tools.css
   Global styles live in assets/css/main.css
   ========================================================= */

.tools-container {
  padding-top: 2rem;
  padding-bottom: 0.5rem;
}

.matrix-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  max-width: 100%;
  scrollbar-color: rgba(143, 163, 190, 0.35) transparent;
  /* Fade-right hint: tells users more content exists to the right */
  background:
    linear-gradient(to right, var(--bg) 0%, transparent 2rem) left   / 2rem 100% no-repeat,
    linear-gradient(to left,  var(--bg) 0%, transparent 2rem) right  / 2rem 100% no-repeat,
    linear-gradient(to right, rgba(0,0,0,0.06), transparent)  left   / 3rem 100% no-repeat,
    linear-gradient(to left,  rgba(0,0,0,0.06), transparent)  right  / 3rem 100% no-repeat;
  background-attachment: local, local, scroll, scroll;
}

.matrix-wrap::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.matrix-wrap::-webkit-scrollbar-track {
  background: transparent;
}

.matrix-wrap::-webkit-scrollbar-thumb {
  background: rgba(143, 163, 190, 0.35);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

.matrix-wrap::-webkit-scrollbar-thumb:hover {
  background: rgba(143, 163, 190, 0.52);
  border: 2px solid transparent;
  background-clip: padding-box;
}

[data-theme="light"] .matrix-wrap {
  scrollbar-color: rgba(46, 74, 107, 0.35) transparent;
}

[data-theme="light"] .matrix-wrap::-webkit-scrollbar-thumb {
  background: rgba(46, 74, 107, 0.35);
  border: 2px solid transparent;
  background-clip: padding-box;
}

[data-theme="light"] .matrix-wrap::-webkit-scrollbar-thumb:hover {
  background: rgba(46, 74, 107, 0.5);
  border: 2px solid transparent;
  background-clip: padding-box;
}

.matrix-table thead th {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg-2);
}

.matrix-table thead th:first-child {
  left: 0;
  z-index: 30;
  box-shadow: inset -1px 0 0 var(--border);
}

.matrix-table tbody th.fn-cell {
  position: sticky;
  left: 0;
  z-index: 10;
  background: var(--bg);
  border-right: 1px solid var(--border);
  box-shadow: inset -1px 0 0 var(--border);
  padding: 1rem;
  vertical-align: top;
  min-width: 200px;
  text-align: left;
  font-weight: 400;
}

.matrix-table tbody tr:hover th.fn-cell {
  background: rgba(252,67,117,0.06);
}

.access-key-label {
  font-weight: 600;
  color: var(--text-2);
}

.access-key-note {
  color: var(--text-3);
  font-size: 0.68rem;
}

.chip-inline {
  margin-top: 2px;
  display: inline-block;
}

.fn-col {
  width: 155px;
  min-width: 155px;
}

.fn-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--teal);
  margin-bottom: 0.35rem;
}

.fn-desc {
  font-size: 0.65rem;
  color: var(--text-3);
  line-height: 1.5;
  font-weight: 400;
  white-space: normal;
  margin: 0;
}

/* Clickable access-key chips */
.access-chip {
  cursor: pointer;
  transition: opacity 0.15s, box-shadow 0.15s;
}
.access-chip:hover {
  opacity: 0.85;
  box-shadow: 0 0 0 2px var(--border-teal);
}
.access-chip.active {
  box-shadow: 0 0 0 2px currentColor;
  filter: brightness(1.15);
}

/* Muted cells when access filter is active */
.cell-muted {
  opacity: 0.18;
  pointer-events: none;
}

/* Highlighted tool names — accessible for SAS researchers */
.cell-highlight .tool-name {
  text-decoration: underline;
  text-decoration-color: rgba(252,67,117,0.7);
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}

/* Multi-product sub-items within a single cell */
.tool-sub {
  margin-top: 8px;
}
.tool-sub-divider {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.tool-price {
  font-size: 0.65rem;
  color: var(--text-3);
  margin-top: 2px;
  margin-bottom: 2px;
}
.tool-action-link {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--teal);
  text-decoration: none;
  margin-top: 4px;
}
.tool-action-link:hover { color: var(--teal-bright); }

/* Tool type tags */
.tool-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}
.tool-tag {
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--text-3);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.1rem 0.45rem;
  white-space: nowrap;
}

/* Tags with tooltips */
.tool-tag-tip {
  cursor: default;
  position: relative;
  transition: color 0.15s, border-color 0.15s;
}
.tool-tag-tip:hover {
  color: #7FCECC;
  border-color: #7FCECC;
}
.tool-tag-tip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 7px);
  left: 50%;
  transform: translateX(-50%);
  width: 210px;
  background: var(--bg-2);
  color: var(--text-2);
  border: 1px solid rgba(127,206,204,0.35);
  border-radius: 5px;
  padding: 0.55rem 0.75rem;
  font-size: 0.65rem;
  font-weight: 400;
  line-height: 1.55;
  white-space: normal;
  text-align: left;
  z-index: 200;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
}
.tool-tag-tip:hover::after {
  opacity: 1;
}

/* Open Models + Research tools sections below the main table */
.open-models-section {
  margin-top: 0.5rem;
  padding-bottom: 0;
}
.open-models-section + .open-models-section {
  margin-top: 1rem;
}
.tools-page-sections-end {
  padding-bottom: 4rem;
}
.open-models-header {
  margin-bottom: 1.25rem;
}
.open-models-header .fn-label {
  font-size: 0.78rem;
}
p.research-tools-disclaimer {
  border-left: 2px solid var(--pink);
  padding-left: 0.75rem;
  color: var(--pink);
  margin-top: 0.5rem;
}
.open-models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.open-model-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.1rem;
  background: var(--bg-1);
  transition: border-color 0.15s, background 0.15s;
}
.open-model-card:hover {
  border-color: var(--border-teal);
  background: var(--bg-2);
}
.open-model-card .tool-name {
  margin-bottom: 4px;
}

.research-tools-section {
  margin-top: 0;
}
.research-tools-disclaimer {
  max-width: 52rem;
  color: var(--text-3);
  font-size: 0.75rem;
  line-height: 1.6;
  margin-top: 0.5rem;
}
.open-model-card:target {
  border-color: var(--teal);
  background: rgba(43, 138, 138, 0.08);
}

/* Vendor tabs — mobile only (shown via @media below) */
.vendor-tabs {
  display: none;
  flex-wrap: nowrap;
  gap: 0.35rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 0.75rem;
  padding-bottom: 0.25rem;
}

.vendor-tab {
  font-family: 'Poppins', sans-serif;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 0.3rem 0.9rem;
  border: 1px solid var(--border);
  background: var(--bg-1);
  color: var(--text-2);
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.vendor-tab:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.vendor-tab.active {
  border-color: var(--teal);
  background: rgba(43, 138, 138, 0.1);
  color: var(--teal);
}

.vendor-col-hidden {
  visibility: collapse;
}

/* ── Tablet & mobile: vendor tabs, one column at a time ── */
@media (max-width: 768px) {
  .vendor-tabs {
    display: flex;
    margin-top: 0.5rem;
  }

  .matrix-wrap {
    overflow-x: visible;
    margin-left: 0;
    margin-right: 0;
    background: none;
  }

  #tools-table {
    table-layout: fixed;
    width: 100%;
    font-size: 0.8rem;
  }

  #tools-table thead th {
    width: auto;
  }

  #tools-table thead th.fn-col {
    white-space: nowrap;
    width: 55%;
    min-width: 0;
    max-width: none;
  }

  #tools-table tbody th.fn-cell {
    width: 55%;
    min-width: 0;
    max-width: none;
    padding: 0.65rem 0.75rem;
  }

  /* Hide the long description paragraph in the Function column on mobile
     — the label alone is enough at this width */
  #tools-table tbody th.fn-cell .fn-desc {
    display: none;
  }

  #tools-table thead th[data-col]:not(.vendor-col-hidden),
  #tools-table tbody td[data-col]:not(.vendor-col-hidden) {
    width: 45%;
    min-width: 0;
    padding: 0.65rem 0.75rem;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  #tools-table .vendor-col-hidden {
    visibility: collapse;
    width: 0;
    min-width: 0;
    padding: 0;
    border: none;
  }

  /* WebKit doesn't collapse row height for visibility:collapse td —
     hide cell children so they don't inflate the row height */
  #tools-table .vendor-col-hidden > * {
    display: none;
  }

  #tools-table tbody td[data-col] .tool-name,
  #tools-table tbody td[data-col] .tool-action-link,
  #tools-table tbody td[data-col] .tool-price {
    white-space: normal;
    word-break: break-word;
  }

  #tools-table tbody td[data-col] .tool-tags {
    flex-wrap: wrap;
  }

  #tools-table tbody td[data-col] .tool-tag {
    white-space: normal;
  }

  .tool-tag-tip::after {
    display: none;
  }

  .open-models-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ── Small phones: tighter typography ──────────────────── */
@media (max-width: 480px) {
  .matrix-table {
    font-size: 0.69rem;
  }

  .matrix-table thead th {
    padding: 0.45rem 0.6rem;
    font-size: 0.6rem;
  }

  #tools-table thead th.fn-col,
  #tools-table tbody th.fn-cell {
    width: 50%;
    padding: 0.6rem 0.65rem;
  }

  #tools-table thead th[data-col]:not(.vendor-col-hidden),
  #tools-table tbody td[data-col]:not(.vendor-col-hidden) {
    width: 50%;
    padding: 0.55rem 0.65rem;
  }

  .tool-name {
    font-size: 0.8rem;
  }

  .tool-price,
  .tool-action-link,
  .fn-desc {
    font-size: 0.6rem;
  }

  .vendor-tab {
    font-size: 0.61rem;
    padding: 0.25rem 0.65rem;
  }

  .open-models-grid {
    grid-template-columns: 1fr;
  }
}