.rag-shell {
  background:
    radial-gradient(circle at 85% 12%, rgba(27, 77, 62, 0.12), transparent 30rem),
    radial-gradient(circle at 8% 34%, rgba(201, 169, 110, 0.13), transparent 26rem),
    var(--paper);
}

.rag-hero {
  margin-bottom: 40px;
}

.architecture-card {
  background: rgba(255, 255, 255, 0.76);
  backdrop-filter: blur(18px);
}

.pipeline-mini {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-bottom: 20px;
}

.pipeline-mini span {
  align-items: center;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--forest-deep);
  display: flex;
  font-size: 11px;
  font-weight: 700;
  justify-content: center;
  min-height: 34px;
  padding: 0 10px;
  text-align: center;
  text-transform: uppercase;
}

.demo-console {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(320px, 0.86fr) minmax(360px, 1.05fr) minmax(260px, 0.55fr);
  margin: 0 auto 84px;
  max-width: 1320px;
}

.query-panel,
.answer-panel,
.metrics-panel,
.source-section,
.architecture-section,
.code-section {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 24px 80px rgba(15, 46, 37, 0.05);
}

.query-panel,
.answer-panel,
.metrics-panel {
  padding: 26px;
}

.panel-heading h2 {
  font-size: 32px;
  margin-bottom: 20px;
}

.input-label,
.control-grid span {
  color: var(--forest-deep);
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

textarea,
select {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font: inherit;
  outline: none;
  padding: 14px;
  width: 100%;
}

textarea:focus,
select:focus,
input[type="range"]:focus {
  border-color: rgba(27, 77, 62, 0.5);
  box-shadow: 0 0 0 4px rgba(27, 77, 62, 0.08);
}

.sample-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 22px;
}

.sample-chip,
.run-button {
  border: 0;
  cursor: pointer;
  font-family: inherit;
}

.sample-chip {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--forest-deep);
  font-size: 12px;
  font-weight: 700;
  padding: 8px 12px;
}

.sample-chip:hover {
  border-color: rgba(27, 77, 62, 0.35);
}

.control-grid {
  display: grid;
  gap: 16px;
}

input[type="range"] {
  accent-color: var(--forest);
  width: 100%;
}

.run-button {
  background: var(--forest);
  border-radius: 999px;
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-top: 22px;
  min-height: 48px;
  padding: 0 20px;
  text-transform: uppercase;
  width: 100%;
}

.answer-body {
  color: #343833;
  display: grid;
  gap: 14px;
  font-size: 16px;
}

.answer-body ul {
  display: grid;
  gap: 10px;
  list-style-position: inside;
}

.citation-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.citation-pill {
  background: rgba(201, 169, 110, 0.16);
  border: 1px solid rgba(201, 169, 110, 0.42);
  border-radius: 999px;
  color: var(--forest-deep);
  font-size: 12px;
  font-weight: 800;
  padding: 8px 12px;
}

.metrics-panel {
  display: grid;
  gap: 26px;
}

.metric-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-grid div {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.metric-grid dt {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.metric-grid dd {
  color: var(--forest-deep);
  font-family: "JetBrains Mono", monospace;
  font-size: 24px;
  font-weight: 600;
  margin-top: 8px;
}

.eval-list {
  display: grid;
  gap: 10px;
  list-style: none;
}

.eval-list li {
  align-items: flex-start;
  color: var(--muted);
  display: flex;
  gap: 10px;
  font-size: 14px;
}

.eval-list li::before {
  border-radius: 999px;
  content: "";
  flex: 0 0 9px;
  height: 9px;
  margin-top: 7px;
  width: 9px;
}

.eval-list .pass::before {
  background: #4f7a5d;
}

.eval-list .warn::before {
  background: #c9a96e;
}

.source-section,
.architecture-section,
.code-section {
  margin: 0 auto 84px;
  max-width: 1320px;
  padding: 34px;
}

.compact-head {
  margin-bottom: 26px;
}

.source-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.source-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  display: grid;
  gap: 14px;
  padding: 18px;
}

.source-topline {
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.source-id {
  color: var(--forest);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 700;
}

.score-badge {
  background: var(--forest-deep);
  border-radius: 999px;
  color: #fff;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  padding: 5px 9px;
}

.source-card h3 {
  font-size: 24px;
}

.source-card p {
  color: var(--muted);
  font-size: 14px;
}

.metadata-row {
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.metadata-row span {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 8px;
}

.architecture-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.arch-node {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
  position: relative;
}

.arch-node span {
  color: var(--gold);
  display: block;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 32px;
  line-height: 1;
  margin-bottom: 18px;
}

.arch-node h3 {
  font-size: 22px;
  margin-bottom: 10px;
}

.arch-node p {
  color: var(--muted);
  font-size: 14px;
}

.code-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.code-card {
  background: #121815;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  color: #f4efe4;
  overflow: hidden;
  padding: 22px;
}

.code-card h3 {
  color: #fff;
  font-size: 24px;
  margin-bottom: 14px;
}

pre {
  overflow-x: auto;
}

code {
  color: #e8dfce;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  line-height: 1.65;
}

@media (max-width: 1180px) {
  .demo-console {
    grid-template-columns: 1fr;
  }

  .source-grid,
  .architecture-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .pipeline-mini,
  .metric-grid,
  .source-grid,
  .architecture-grid,
  .code-grid {
    grid-template-columns: 1fr;
  }

  .source-section,
  .architecture-section,
  .code-section {
    padding: 22px;
  }
}