/* Oracle capability evidence: visual story.
   Uses the existing Oracle tokens only: --ink --muted --line --panel --green
   --amber --blue --bg --serif --mono. No imported fonts, no third party palette. */

.eval-story {
  --es-gap: clamp(28px, 5vw, 64px);
  color: var(--ink);
}

.eval-story .es-section {
  padding: clamp(56px, 8vw, 104px) 0;
  border-top: 1px solid var(--line);
}

.eval-story .es-head {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 28px;
  margin-bottom: clamp(28px, 4vw, 46px);
}

.eval-story .es-kicker {
  margin: 0;
  color: var(--muted);
  font: 12px/1.4 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eval-story .es-head h2 {
  grid-column: 2;
  margin: 0;
  font: 400 clamp(32px, 5vw, 62px)/1.02 var(--serif);
  letter-spacing: -0.035em;
}

.eval-story .es-lede {
  grid-column: 2;
  max-width: 62ch;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

/* ---------- figure panels ---------- */

.eval-story .es-fig {
  margin: 0 0 var(--es-gap);
  padding: 0;
  background: var(--panel);
  border: 1px solid var(--line);
}

.eval-story .es-svg {
  display: block;
  width: 100%;
  height: auto;
  padding: clamp(14px, 2vw, 26px) 0;
}

.eval-story .es-fig figcaption {
  padding: 18px clamp(16px, 2vw, 26px) 22px;
  border-top: 1px solid var(--line);
}

.eval-story .es-fig-label {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 0 0 10px;
  color: var(--muted);
  font: 12px/1.4 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eval-story .es-caveat {
  max-width: 78ch;
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.eval-story .es-scroll-hint {
  display: none;
  margin-left: auto;
  color: var(--blue);
}

@media (max-width: 1040px) {
  .eval-story .es-scroll-hint { display: inline; }
}

.eval-story .es-caveat strong {
  color: var(--ink);
  font-weight: 700;
}

.eval-story .es-source {
  margin: 10px 0 0;
  color: var(--muted);
  font: 12px/1.5 var(--mono);
  overflow-wrap: anywhere;
}

/* ---------- svg primitives ---------- */

.eval-story .es-node,
.eval-story .es-node-lg {
  fill: var(--ink);
  stroke: none;
}

.eval-story .es-panel-box,
.eval-story .es-chip {
  fill: none;
  stroke: var(--line);
  stroke-width: 1;
}

.eval-story .es-axis {
  stroke: var(--line);
  stroke-width: 1;
}

.eval-story .es-rail {
  stroke: var(--muted);
  stroke-width: 1;
  opacity: 0.4;
}

.eval-story .es-arrow {
  fill: var(--muted);
  opacity: 0.7;
}

.eval-story .es-rail-flow {
  stroke: var(--green);
  stroke-width: 1;
  stroke-dasharray: 8 118;
  stroke-dashoffset: 0;
  opacity: 0.85;
  animation: es-travel 3.6s linear infinite;
  animation-play-state: paused;
}

.eval-story [data-es-figure].is-active .es-rail-flow {
  animation-play-state: running;
}

.eval-story .es-node-label {
  fill: var(--ink);
  font: 13px var(--mono);
}

.eval-story .es-node-sub,
.eval-story .es-axis-label,
.eval-story .es-chip-label,
.eval-story .es-node-index {
  fill: var(--muted);
  font: 12px var(--mono);
}

.eval-story .es-deny-line {
  stroke: var(--amber);
  stroke-width: 1;
  stroke-dasharray: 4 5;
}

.eval-story .es-deny-box {
  fill: none;
  stroke: var(--amber);
  stroke-width: 1;
  opacity: 0.55;
}

.eval-story .es-deny-title,
.eval-story .es-deny-label {
  fill: var(--amber);
  font: 12px var(--mono);
}

.eval-story [data-es-figure="rlm"] .es-group {
  opacity: 1;
}

.eval-story [data-es-figure="rlm"].is-active .es-group[data-es-part] {
  animation: es-settle 0.5s ease-out both;
}

.eval-story [data-es-figure="rlm"].is-active .es-group[data-es-part="context"] { animation-delay: 0.08s; }
.eval-story [data-es-figure="rlm"].is-active .es-group[data-es-part="child"] { animation-delay: 0.16s; }
.eval-story [data-es-figure="rlm"].is-active .es-group[data-es-part="denied"] { animation-delay: 0.24s; }

@keyframes es-travel {
  from { stroke-dashoffset: 126; }
  to { stroke-dashoffset: 0; }
}

@keyframes es-settle {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* ---------- method section ---------- */

.eval-story .es-split {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  gap: var(--es-gap);
}

.eval-story .es-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.eval-story .es-steps li {
  padding: 18px 20px;
  background: var(--panel);
}

.eval-story .es-step-title {
  display: flex;
  gap: 12px;
  align-items: baseline;
  margin: 0 0 8px;
  font: 13px/1.4 var(--mono);
  letter-spacing: 0.04em;
}

.eval-story .es-step-num {
  color: var(--green);
}

.eval-story .es-step-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.eval-story .es-aside h3 {
  margin: 0 0 12px;
  font: 400 22px/1.2 var(--serif);
}

.eval-story .es-aside p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.eval-story .es-status-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.eval-story .es-status {
  display: inline-block;
  padding: 5px 10px;
  border: 1px solid var(--line);
  font: 12px/1.3 var(--mono);
}

.eval-story .es-status[data-es-status="passed"] { color: var(--green); }
.eval-story .es-status[data-es-status="failed"] { color: var(--amber); }
.eval-story .es-status[data-es-status="blocked"] { color: var(--amber); }
.eval-story .es-status[data-es-status="skipped"],
.eval-story .es-status[data-es-status="unavailable"] { color: var(--muted); }

.eval-story .es-aside-note[data-es-state="blocked"],
.eval-story .es-aside-note[data-es-state="unavailable"] {
  color: var(--amber);
}

/* ---------- rlm stepper ---------- */

.eval-story .es-stepper {
  display: grid;
  grid-template-columns: minmax(220px, 0.42fr) minmax(0, 1fr);
  gap: 1px;
  margin-bottom: var(--es-gap);
  background: var(--line);
  border: 1px solid var(--line);
}

.eval-story .es-tabs {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--line);
}

.eval-story .es-tab {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 16px 18px;
  color: var(--muted);
  text-align: left;
  background: var(--panel);
  border: 0;
  border-left: 2px solid transparent;
  cursor: pointer;
  font: 13px/1.4 var(--mono);
}

.eval-story .es-tab:hover { color: var(--ink); }

.eval-story .es-tab:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: -3px;
}

.eval-story .es-tab[aria-selected="true"] {
  color: var(--ink);
  border-left-color: var(--green);
}

.eval-story .es-tab-num { color: var(--muted); }
.eval-story .es-tab[aria-selected="true"] .es-tab-num { color: var(--green); }

.eval-story .es-panels {
  background: var(--panel);
}

.eval-story .es-panel {
  padding: 22px clamp(18px, 2vw, 28px);
  border-top: 1px solid var(--line);
}

.eval-story .es-panel:first-child { border-top: 0; }

.eval-story .es-panel:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: -3px;
}

/* With JavaScript the stepper shows one panel at a time. Without it, every
   panel stays on the page and reads as a plain list. */
.eval-story[data-es-js="on"] .es-panel { display: none; }
.eval-story[data-es-js="on"] .es-panel.is-current { display: block; }
.eval-story[data-es-js="on"] .es-panel.is-current { animation: es-settle 0.28s ease-out both; }

.eval-story .es-panel-kicker {
  margin: 0 0 10px;
  color: var(--blue);
  font: 12px/1.4 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eval-story .es-panel-body {
  max-width: 68ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
}

.eval-story .es-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.eval-story .es-fact {
  padding: 22px clamp(18px, 2vw, 26px);
  background: var(--panel);
}

.eval-story .es-fact-value {
  margin: 0 0 10px;
  font: 700 17px/1.3 var(--mono);
  letter-spacing: 0.02em;
}

.eval-story .es-fact-note {
  max-width: 56ch;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

/* ---------- evidence ladder ---------- */

.eval-story .es-fig-plain { background: transparent; }

.eval-story .es-ladder {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
}

.eval-story .es-layer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: 12px clamp(18px, 3vw, 44px);
  padding: 22px clamp(16px, 2vw, 26px);
  background: var(--panel);
}

.eval-story .es-layer-head {
  grid-column: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: baseline;
}

.eval-story .es-layer-title {
  margin: 0;
  font: 400 21px/1.2 var(--serif);
}

.eval-story .es-layer-count {
  margin: 0;
  color: var(--muted);
  font: 13px/1.4 var(--mono);
}

.eval-story .es-matrix {
  grid-column: 1;
  display: flex;
  gap: 4px;
  align-items: center;
}

.eval-story .es-cell {
  width: 12px;
  height: 12px;
  border: 1px solid var(--line);
}

.eval-story .es-cell[data-es-cell="on"] { background: var(--ink); border-color: var(--ink); }

.eval-story .es-layer[data-es-state="corpus"] .es-cell[data-es-cell="on"] {
  background: var(--blue);
  border-color: var(--blue);
}

.eval-story .es-layer[data-es-state="planned"] .es-cell {
  border-style: dashed;
  border-color: var(--muted);
}

.eval-story .es-layer-state {
  grid-column: 1;
  margin: 0;
  font: 12px/1.5 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.eval-story .es-layer[data-es-state="measured"] .es-layer-state { color: var(--green); }
.eval-story .es-layer[data-es-state="corpus"] .es-layer-state { color: var(--blue); }
.eval-story .es-layer[data-es-state="planned"] .es-layer-state { color: var(--muted); }

.eval-story .es-layer-detail {
  grid-column: 2;
  grid-row: 1 / span 3;
  max-width: 66ch;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.eval-story .es-layer .es-source { grid-column: 2; margin-top: 0; }

.eval-story .es-next {
  padding-top: 8px;
}

.eval-story .es-next h3 {
  margin: 0 0 12px;
  font: 400 clamp(24px, 3vw, 34px)/1.15 var(--serif);
}

.eval-story .es-next > p {
  max-width: 70ch;
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.eval-story .es-measures {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.eval-story .es-measures li {
  padding: 18px 20px;
  background: var(--panel);
}

.eval-story .es-measure-title {
  margin: 0 0 8px;
  font: 13px/1.4 var(--mono);
  letter-spacing: 0.03em;
}

.eval-story .es-measure-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.eval-story .es-next-note {
  max-width: 74ch;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- benchmark table ---------- */

.eval-story .es-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.eval-story .es-table caption {
  padding: 18px clamp(16px, 2vw, 26px);
  color: var(--muted);
  text-align: left;
  font: 12px/1.5 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
}

.eval-story .es-table th,
.eval-story .es-table td {
  padding: 16px clamp(12px, 1.6vw, 22px);
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.eval-story .es-table thead th {
  color: var(--muted);
  font: 12px/1.4 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 400;
}

.eval-story .es-arm-label {
  display: block;
  font-size: 15px;
  line-height: 1.35;
}

.eval-story .es-arm-meta {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font: 12px/1.4 var(--mono);
}

.eval-story .es-bar-cell { min-width: 200px; }

.eval-story .es-bar-track {
  display: block;
  height: 12px;
  border: 1px solid var(--line);
  border-left: 1px solid var(--ink);
}

.eval-story .es-bar-fill {
  display: block;
  height: 100%;
  width: var(--es-fill, 0%);
  background: var(--muted);
  transform-origin: left center;
}

.eval-story tr[data-es-oracle="yes"] .es-bar-fill { background: var(--green); }

.eval-story [data-es-figure="benchmark"].is-active .es-bar-fill {
  animation: es-grow 0.7s ease-out both;
}

@keyframes es-grow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.eval-story .es-bar-value {
  display: block;
  margin-top: 8px;
  font: 13px/1.4 var(--mono);
}

.eval-story .es-own {
  color: var(--muted);
  font: 13px/1.5 var(--mono);
  white-space: nowrap;
}

.eval-story .es-audit {
  max-width: 34ch;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.eval-story .es-evidence {
  margin: 0;
  font: 13px/1.5 var(--mono);
}

.eval-story .es-evidence a { color: var(--green); }

/* ---------- motion and small screens ---------- */

@media (prefers-reduced-motion: reduce) {
  .eval-story .es-rail-flow,
  .eval-story [data-es-figure] .es-group[data-es-part],
  .eval-story .es-panel.is-current,
  .eval-story .es-bar-fill {
    animation: none !important;
    animation-play-state: paused !important;
    transform: none !important;
    opacity: 1;
  }
}

@media (max-width: 1040px) {
  /* Below the figure's natural width the SVG labels would scale under 12px.
     Scroll the panel at full scale instead of shrinking the text. */
  .eval-story .es-fig[data-es-figure="method"],
  .eval-story .es-fig[data-es-figure="rlm"] {
    overflow-x: auto;
  }

  .eval-story .es-fig[data-es-figure="method"] .es-svg,
  .eval-story .es-fig[data-es-figure="rlm"] .es-svg {
    min-width: 960px;
  }

  .eval-story .es-fig[data-es-figure="method"] figcaption,
  .eval-story .es-fig[data-es-figure="rlm"] figcaption {
    position: sticky;
    left: 0;
    min-width: 0;
    max-width: 100vw;
  }
}

@media (max-width: 900px) {
  .eval-story .es-head { grid-template-columns: 1fr; gap: 10px; }
  .eval-story .es-head h2,
  .eval-story .es-lede { grid-column: 1; }
  .eval-story .es-split,
  .eval-story .es-stepper { grid-template-columns: 1fr; }
  .eval-story .es-tabs { flex-direction: row; flex-wrap: wrap; }
  .eval-story .es-tab { flex: 1 1 160px; border-left: 0; border-bottom: 2px solid transparent; }
  .eval-story .es-tab[aria-selected="true"] { border-left-color: transparent; border-bottom-color: var(--green); }
  .eval-story .es-layer { grid-template-columns: 1fr; }
  .eval-story .es-layer-detail,
  .eval-story .es-layer .es-source { grid-column: 1; grid-row: auto; }
  .eval-story .es-measures { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .eval-story .es-steps,
  .eval-story .es-facts,
  .eval-story .es-measures { grid-template-columns: 1fr; }
}

@media (max-width: 390px) {
  .eval-story .es-section { padding: 44px 0; }
  .eval-story .es-fig figcaption,
  .eval-story .es-panel,
  .eval-story .es-layer,
  .eval-story .es-fact { padding-left: 14px; padding-right: 14px; }
  .eval-story .es-fig-label { gap: 8px; }
}

@media (max-width: 640px) {
  .eval-story .es-table,
  .eval-story .es-table th,
  .eval-story .es-table td { display: block; width: 100%; }
  .eval-story .es-table thead { display: none; }
  .eval-story .es-table td { border-bottom: 0; }
  .eval-story .es-table td::before { content: attr(data-label); display: block; margin-bottom: 9px; color: var(--muted); font: 12px/1.4 var(--mono); }
  .eval-story .es-table tbody tr { display: block; border-bottom: 1px solid var(--line); }
  .eval-story .es-bar-cell { min-width: 0; }
  .eval-story .es-audit { max-width: none; }
  .eval-story .es-matrix { flex-wrap: wrap; }
}