.brain-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(244, 113, 197, 0.1), transparent 24rem),
    linear-gradient(180deg, rgba(23, 16, 48, 0.98), rgba(14, 12, 34, 1));
  color: #f6f2ff;
}

.brain-topbar {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(23, 16, 48, 0.78);
  backdrop-filter: blur(10px);
}

.brain-topbar-inner {
  width: min(1280px, calc(100vw - 3rem));
  margin: 0 auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brain-topnav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brain-topnav a {
  text-decoration: none;
  color: rgba(246, 242, 255, 0.72);
  font-size: 0.92rem;
  font-weight: 600;
}

.brain-topnav a:hover {
  color: white;
}

.brain-shell {
  width: min(1280px, calc(100vw - 3rem));
  margin: 0 auto;
  padding: 3rem 0 5rem;
}

.brain-hero {
  margin-bottom: 2rem;
}

.brain-intro {
  max-width: 52rem;
  color: rgba(246, 242, 255, 0.8);
}

.brain-grid {
  display: grid;
  grid-template-columns: minmax(20rem, 32rem) minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.brain-panel {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.5rem;
  padding: 1.5rem;
  backdrop-filter: blur(14px);
}

.brain-panel h2,
.brain-panel h3 {
  margin-top: 0;
}

.field {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.field span {
  font-size: 0.92rem;
  font-weight: 700;
  color: rgba(246, 242, 255, 0.78);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(14, 12, 34, 0.55);
  color: #f6f2ff;
  padding: 0.95rem 1rem;
  font: inherit;
}

.field select[multiple] {
  min-height: 10rem;
  padding: 0.75rem;
}

.field-help {
  color: rgba(246, 242, 255, 0.58);
  font-size: 0.82rem;
}

.brain-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.brain-status {
  margin-top: 1rem;
  color: rgba(246, 242, 255, 0.75);
}

.brain-mode-banner {
  border-radius: 1rem;
  padding: 1rem 1.05rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  margin-bottom: 1rem;
}

.brain-mode-banner strong {
  display: block;
  margin-bottom: 0.25rem;
  color: #ffd978;
}

.brain-mode-banner p {
  color: rgba(246, 242, 255, 0.78);
}

.brain-summary-card {
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}

.brain-summary-impact {
  margin-top: 0.85rem;
  border-radius: 0.9rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
}

.brain-summary-impact.changes {
  border-color: rgba(250, 180, 35, 0.28);
  background: rgba(250, 180, 35, 0.08);
}

.brain-summary-impact.stable {
  border-color: rgba(52, 211, 153, 0.24);
  background: rgba(52, 211, 153, 0.08);
}

.brain-summary-impact strong {
  display: block;
  margin-bottom: 0.25rem;
}

.brain-summary-impact p {
  margin: 0.2rem 0 0;
  color: rgba(246, 242, 255, 0.84);
}

.brain-review-summary {
  margin-top: 0.85rem;
  border-radius: 0.9rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
}

.brain-review-summary strong {
  display: block;
  margin-bottom: 0.25rem;
}

.brain-review-summary p {
  margin: 0;
  color: rgba(246, 242, 255, 0.8);
}

.brain-results-section + .brain-results-section {
  margin-top: 1.4rem;
}

.section-heading p {
  margin-top: -0.2rem;
  color: rgba(246, 242, 255, 0.72);
}

.result-list {
  display: grid;
  gap: 0.85rem;
}

.brain-workflow-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.empty-state {
  min-height: 3rem;
  color: rgba(246, 242, 255, 0.62);
}

.brain-result-card {
  border-radius: 1rem;
  padding: 1rem 1.05rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.brain-result-card h4 {
  margin: 0 0 0.35rem;
}

.brain-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.55rem 0 0.65rem;
}

.brain-chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.28rem 0.66rem;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: rgba(255, 255, 255, 0.1);
}

.brain-chip.duplicate {
  background: rgba(250, 180, 35, 0.18);
  color: #ffd978;
}

.brain-chip.new {
  background: rgba(52, 211, 153, 0.18);
  color: #8cf0ca;
}

.brain-chip.insight {
  background: rgba(96, 165, 250, 0.18);
  color: #c2dbff;
}

.brain-chip.candidate {
  background: rgba(244, 114, 182, 0.18);
  color: #ffc2df;
}

.brain-chip.suggestion {
  background: rgba(129, 140, 248, 0.18);
  color: #d7dcff;
}

.brain-chip.metric {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(246, 242, 255, 0.78);
}

.brain-result-card ul {
  margin: 0.55rem 0 0;
  padding-left: 1.2rem;
}

.brain-result-card li + li {
  margin-top: 0.35rem;
}

.brain-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.85rem;
}

.brain-inline-button {
  min-height: 2.3rem;
  padding: 0.5rem 0.85rem;
}

@media (max-width: 940px) {
  .brain-topbar-inner,
  .brain-shell {
    width: min(100vw - 1.5rem, 1280px);
  }

  .brain-grid {
    grid-template-columns: 1fr;
  }

  .brain-workflow-grid {
    grid-template-columns: 1fr;
  }

  .brain-shell {
    padding-top: 1.5rem;
  }

  .brain-topbar-inner {
    min-height: auto;
    padding: 0.9rem 0;
    flex-direction: column;
    align-items: start;
  }
}