/* Article-specific infographic + benchmark charts for /news/ai-models-2026
   Palette validated with the dataviz palette validator against the card
   surface #19191f (dark): series cyan #00a3b0 + magenta #FF007F pass the
   lightness band, chroma floor, CVD separation (deutan dE 9.2), the
   normal-vision floor (dE 36.6) and 3:1 contrast. Do not re-tint by hand. */

.amx {
  --amx-surface: #19191f;
  --amx-surface-2: #1f1f26;
  --amx-series-1: #00a3b0;
  --amx-series-2: #FF007F;
  --amx-ink: #f8f5fd;
  --amx-ink-2: #acaab1;
  --amx-muted: #898781;
  --amx-grid: #2c2c2a;
  --amx-baseline: #383835;
  --amx-border: rgba(248, 245, 253, 0.09);
  margin: 2.5rem 0;
}

.amx-figure { margin: 0; }

.amx-caption {
  font-size: 0.82rem;
  color: var(--amx-muted);
  margin-top: 0.85rem;
  line-height: 1.5;
}

/* ── Section heading ───────────────────────────────────────────────── */

.amx-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.1rem;
}

.amx-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--amx-ink);
  letter-spacing: -0.01em;
}

.amx-sub {
  font-size: 0.82rem;
  color: var(--amx-ink-2);
}

/* ── KPI stat tiles ────────────────────────────────────────────────── */

.amx-kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.amx-kpi {
  background: var(--amx-surface);
  border: 1px solid var(--amx-border);
  border-radius: 14px;
  padding: 1rem 1.05rem;
}

.amx-kpi-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--amx-ink);
  letter-spacing: -0.02em;
}

.amx-kpi-hero .amx-kpi-value { font-size: 2.4rem; }

.amx-kpi-label {
  font-size: 0.78rem;
  color: var(--amx-ink-2);
  margin-top: 0.4rem;
  line-height: 1.45;
}

.amx-kpi-note {
  font-size: 0.72rem;
  color: var(--amx-muted);
  margin-top: 0.35rem;
}

/* ── Timeline infographic ──────────────────────────────────────────── */

.amx-timeline {
  background: var(--amx-surface);
  border: 1px solid var(--amx-border);
  border-radius: 18px;
  padding: 1.5rem 1.25rem 1.25rem;
}

/* news.css sets ".na-body ul, .na-body ol { margin: 0 0 1.25rem 1.25rem;
   padding: 0 }" and ".na-body li { margin-bottom: 0.5rem }", which outrank a
   single class. These rules are doubled up so the timeline keeps its own
   padding, otherwise the dots detach from the track line by 24px. */
.amx .amx-track {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.5rem;
  position: relative;
}

.amx-track::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--amx-baseline);
}

.amx .amx-ev {
  position: relative;
  margin: 0;
  padding: 0 0 1.35rem 0;
}

.amx .amx-ev:last-child { padding-bottom: 0; }

.amx-ev::before {
  content: '';
  position: absolute;
  left: -1.5rem;
  top: 5px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--amx-series-1);
  box-shadow: 0 0 0 2px var(--amx-surface);
}

.amx-ev[data-tone="end"]::before { background: var(--amx-series-2); }

.amx-ev-date {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--amx-muted);
}

.amx-ev-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--amx-ink);
  margin-top: 0.15rem;
}

.amx-ev-desc {
  font-size: 0.85rem;
  color: var(--amx-ink-2);
  margin-top: 0.2rem;
  line-height: 1.5;
}

/* ── Chart card + tabs ─────────────────────────────────────────────── */

.amx-card {
  background: var(--amx-surface);
  border: 1px solid var(--amx-border);
  border-radius: 18px;
  padding: 1.35rem 1.25rem 1.15rem;
}

.amx-tabs {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.amx-tab {
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--amx-ink-2);
  background: var(--amx-surface-2);
  border: 1px solid var(--amx-border);
  border-radius: 999px;
  padding: 0.42rem 0.9rem;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.amx-tab:hover { color: var(--amx-ink); border-color: rgba(248, 245, 253, 0.22); }

.amx-tab[aria-selected="true"] {
  color: #05161a;
  background: var(--amx-series-1);
  border-color: var(--amx-series-1);
}

/* ── Chart plot ────────────────────────────────────────────────────── */

.amx-plot { position: relative; }

.amx-svg { display: block; width: 100%; height: auto; overflow: visible; }

.amx-bar { transition: opacity 0.12s ease; cursor: pointer; }

.amx-bar:focus-visible { outline: 2px solid var(--amx-ink); outline-offset: 2px; }

.amx-plot.is-hovering .amx-bar { opacity: 0.45; }
.amx-plot.is-hovering .amx-bar.is-active { opacity: 1; }

.amx-grid-line { stroke: var(--amx-grid); stroke-width: 1; shape-rendering: crispEdges; }
.amx-axis-line { stroke: var(--amx-baseline); stroke-width: 1; shape-rendering: crispEdges; }

.amx-tick {
  fill: var(--amx-muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.amx-cat {
  fill: var(--amx-ink-2);
  font-size: 11.5px;
}

.amx-val {
  fill: var(--amx-ink);
  font-size: 12px;
  font-weight: 700;
}

/* ── Legend ────────────────────────────────────────────────────────── */

.amx-legend {
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
  margin-bottom: 0.9rem;
}

/* display:flex would otherwise beat the hidden attribute's display:none */
.amx-legend[hidden],
.amx-table-wrap[hidden] { display: none; }

.amx-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  color: var(--amx-ink-2);
}

.amx-swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex: none;
}

/* ── Tooltip ───────────────────────────────────────────────────────── */

.amx-tip {
  position: absolute;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -100%);
  background: #0e0e13;
  border: 1px solid var(--amx-border);
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
  min-width: 130px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  transition: opacity 0.12s ease;
  z-index: 5;
}

.amx-tip.is-visible { opacity: 1; }

.amx-tip-cat {
  font-size: 0.72rem;
  color: var(--amx-muted);
  margin-bottom: 0.3rem;
}

.amx-tip-row {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  white-space: nowrap;
}

.amx-tip-row + .amx-tip-row { margin-top: 0.2rem; }

.amx-tip-key {
  width: 12px;
  height: 2px;
  border-radius: 2px;
  flex: none;
  transform: translateY(-3px);
}

.amx-tip-val {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--amx-ink);
  font-variant-numeric: tabular-nums;
}

.amx-tip-name { font-size: 0.76rem; color: var(--amx-ink-2); }

/* ── Table view ────────────────────────────────────────────────────── */

.amx-toggle {
  font: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--amx-ink-2);
  background: none;
  border: none;
  border-bottom: 1px dotted var(--amx-muted);
  padding: 0;
  margin-top: 1rem;
  cursor: pointer;
}

.amx-toggle:hover { color: var(--amx-ink); }

.amx-table-wrap { overflow-x: auto; margin-top: 0.9rem; }

.amx-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.amx-table caption {
  text-align: left;
  font-size: 0.78rem;
  color: var(--amx-muted);
  padding-bottom: 0.5rem;
}

.amx-table th,
.amx-table td {
  text-align: left;
  padding: 0.5rem 0.75rem 0.5rem 0;
  border-bottom: 1px solid var(--amx-border);
  white-space: nowrap;
}

.amx-table th { color: var(--amx-ink-2); font-weight: 600; }
.amx-table td { color: var(--amx-ink); font-variant-numeric: tabular-nums; }

.amx .amx-src {
  font-size: 0.75rem;
  color: var(--amx-muted);
  margin: 0.9rem 0 0;
  line-height: 1.5;
}

.amx-src a { color: var(--amx-ink-2); }

@media (max-width: 560px) {
  .amx-kpi-hero .amx-kpi-value { font-size: 2rem; }
  .amx-kpi-value { font-size: 1.6rem; }
  .amx-card { padding: 1.1rem 0.9rem 1rem; }
  .amx-timeline { padding: 1.25rem 0.9rem 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  .amx-bar, .amx-tip, .amx-tab { transition: none; }
}