.adaptive-fade {
  animation: adaptiveFade 340ms ease;
}

.environment-section {
  position: relative;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(7, 16, 26, 0.58), rgba(9, 10, 11, 0.98)),
    var(--matte);
}

.environment-section .section-inner {
  padding-top: 72px;
}

.environment-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  border: 1px solid var(--line);
  background: var(--line);
}

.environment-option {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 20px;
  border: 0;
  background: rgba(17, 19, 21, 0.98);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition:
    background 180ms ease,
    transform 180ms ease,
    color 180ms ease;
}

.environment-option:hover,
.environment-option[aria-pressed="true"] {
  background: #161b20;
  transform: translateY(-1px);
}

.environment-option[aria-pressed="true"] {
  outline: 1px solid rgba(134, 173, 208, 0.62);
  outline-offset: -1px;
}

.environment-option strong {
  display: block;
  font-size: 1rem;
  line-height: 1.2;
}

.environment-option span {
  color: var(--blue);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.environment-output {
  margin-top: 1px;
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 1px;
  border: 1px solid var(--line);
  border-top: 0;
  background: var(--line);
}

.environment-context,
.environment-dashboard {
  background: rgba(9, 10, 11, 0.96);
  padding: 28px;
}

.environment-context h3 {
  margin: 16px 0 0;
  max-width: 620px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.4rem;
  line-height: 1.06;
  font-weight: 500;
}

.environment-context p {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.66;
}

.environment-pulse {
  width: 100%;
  height: 1px;
  margin: 22px 0;
  position: relative;
  overflow: hidden;
  background: rgba(134, 173, 208, 0.2);
}

.environment-pulse::after {
  content: "";
  position: absolute;
  left: -34%;
  top: 0;
  width: 34%;
  height: 1px;
  background: var(--blue);
  animation: environmentSweep 4.2s linear infinite;
}

.adaptive-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.adaptive-metric {
  min-height: 136px;
  padding: 18px;
  background: var(--graphite);
}

.adaptive-metric b {
  display: block;
  color: var(--gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.92rem;
  line-height: 1;
  font-weight: 500;
}

.adaptive-metric span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.48;
  font-size: 0.9rem;
}

.adaptive-panel-title {
  margin: 24px 0 12px;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  font-weight: 850;
}

.adaptive-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  list-style: none;
}

.adaptive-list li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.5;
}

.adaptive-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  background: var(--blue);
}

.adaptive-workflow {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.adaptive-node {
  min-height: 68px;
  display: grid;
  place-items: center;
  padding: 10px;
  border: 1px solid rgba(134, 173, 208, 0.28);
  background: rgba(134, 173, 208, 0.07);
  color: var(--ink);
  text-align: center;
  font-size: 0.82rem;
  font-weight: 800;
}

.paper-card.is-priority {
  background: #151a1f;
}

.paper-card.is-priority .paper-cover {
  outline: 1px solid rgba(134, 173, 208, 0.5);
  outline-offset: -1px;
}

.adaptive-context-bar {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #07090b;
}

.adaptive-context-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
}

.adaptive-context-inner h2 {
  margin: 8px 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.85rem;
  line-height: 1.1;
  font-weight: 500;
}

.adaptive-context-inner p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.58;
}

.adaptive-mini-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
  max-width: 520px;
}

.adaptive-mini-selector button {
  min-height: 34px;
  padding: 0 11px;
  border: 1px solid var(--line);
  background: rgba(17, 19, 21, 0.9);
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.adaptive-mini-selector button[aria-pressed="true"] {
  color: var(--ink);
  border-color: rgba(134, 173, 208, 0.62);
  background: rgba(134, 173, 208, 0.11);
}

@keyframes environmentSweep {
  to {
    left: 100%;
  }
}

@keyframes adaptiveFade {
  from {
    opacity: 0.72;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .environment-pulse::after {
    animation: none;
  }

  .adaptive-fade {
    animation: none;
  }
}

@media (max-width: 900px) {
  .environment-grid,
  .environment-output,
  .adaptive-context-inner {
    grid-template-columns: 1fr;
  }

  .environment-option {
    min-height: 74px;
  }

  .environment-context,
  .environment-dashboard {
    padding: 22px;
  }

  .environment-context h3 {
    font-size: 2rem;
  }

  .adaptive-metrics,
  .adaptive-workflow {
    grid-template-columns: 1fr;
  }

  .adaptive-mini-selector {
    justify-content: flex-start;
  }
}