.b3r-root {
  --b3r-teal: #0f766e;
  --b3r-teal-light: #14b8a6;
  --b3r-bg: #f0fdfa;
  padding: 0 0 32px;
  min-height: 100%;
  background: var(--b3r-bg);
}

.b3r-hero {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 28px 32px 20px;
  background: linear-gradient(135deg, #042f2e 0%, #0f766e 45%, #14b8a6 100%);
  color: #fff;
  border-radius: 0 0 16px 16px;
  margin-bottom: 20px;
}

.b3r-hero-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
}

.b3r-hero-title {
  margin: 0 0 4px;
  font-size: 1.65rem;
  font-weight: 700;
}

.b3r-hero-engine {
  margin: 0 0 4px;
  opacity: 0.95;
  font-size: 0.95rem;
}

.b3r-hero-sub {
  margin: 0;
  opacity: 0.82;
  font-size: 0.85rem;
  max-width: 760px;
}

.b3r-layout {
  display: grid;
  grid-template-columns: minmax(300px, 38%) 1fr;
  gap: 20px;
  padding: 0 24px;
  align-items: start;
}

@media (max-width: 960px) {
  .b3r-layout {
    grid-template-columns: 1fr;
  }
}

.b3r-card {
  background: #fff;
  border: 1px solid #ccfbf1;
}

.b3r-left {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.b3r-upload-zone {
  width: 100%;
  border: 2px dashed #99f6e4;
  border-radius: 12px;
  background: #ecfdf5;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.b3r-upload-zone:hover {
  border-color: #14b8a6;
  background: #d1fae5;
}

.b3r-upload-inner {
  padding: 22px 16px;
  text-align: center;
  color: #0f766e;
}

.b3r-upload-inner i {
  font-size: 28px;
  margin-bottom: 8px;
  display: block;
}

.b3r-upload-inner p {
  margin: 0;
  font-size: 0.9rem;
}

.b3r-upload-empty {
  font-size: 0.85rem;
  color: #64748b;
  padding: 4px 0;
}

.b3r-upload-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.b3r-upload-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: #334155;
  padding: 6px 10px;
  background: #f8fafc;
  border-radius: 8px;
}

.b3r-upload-size {
  margin-left: auto;
  color: #94a3b8;
}

.b3r-status {
  margin-top: 4px;
}

.b3r-metrics-wrap {
  margin-bottom: 12px;
}

.b3r-metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 10px;
}

.b3r-metric-card {
  background: linear-gradient(145deg, #042f2e, #0f766e);
  color: #ecfdf5;
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  box-shadow: 0 4px 14px rgba(15, 118, 110, 0.25);
}

.b3r-metric-label {
  font-size: 0.72rem;
  opacity: 0.85;
}

.b3r-metric-value {
  font-size: 1.35rem;
  line-height: 1.1;
}

.b3r-metric-unit {
  font-size: 0.72rem;
  opacity: 0.75;
}

.b3r-stage-card {
  min-height: 420px;
}

.b3r-stage-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 48px 24px;
  text-align: center;
}

.b3r-stage-empty-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #ecfdf5;
  color: #0f766e;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
}

.b3r-stepper {
  margin-bottom: 16px;
}

.b3r-stage-message {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.b3r-ct-wrap {
  margin-bottom: 8px;
}

.b3r-ct-head {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #0f766e;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.b3r-ct-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

@media (max-width: 720px) {
  .b3r-ct-grid {
    grid-template-columns: 1fr;
  }
}

.b3r-ct-card {
  aspect-ratio: 1;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #134e4a;
  background: #020617;
  box-shadow: inset 0 0 30px rgba(20, 184, 166, 0.08);
}

.b3r-ct-iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  background: #020617;
}

.b3r-ct-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: #020617;
}

.b3r-graph-row {
  margin-bottom: 14px;
}

.b3r-graph-frame {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid #134e4a;
  background: #0b1220;
  box-shadow: 0 8px 24px rgba(2, 6, 23, 0.35);
}

.b3r-graph-placeholder {
  height: 280px;
  border-radius: 14px;
  border: 1px dashed #5eead4;
  background: #042f2e;
  color: #5eead4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.b3r-graph-placeholder i {
  font-size: 36px;
  opacity: 0.7;
}

.b3r-plan-card {
  background: #f0fdfa !important;
  border-color: #99f6e4 !important;
}

.b3r-markdown {
  font-size: 0.875rem;
  line-height: 1.7;
  color: #334155;
}

.b3r-markdown p {
  margin: 0.35em 0;
}

.b3r-markdown ol,
.b3r-markdown ul {
  margin: 0.35em 0 0.35em 1.25em;
  padding-left: 0.5em;
}

.b3r-markdown li {
  margin: 0.25em 0;
}

.b3r-markdown strong {
  color: #0f766e;
  font-weight: 600;
}

.b3r-summary-md p {
  margin: 0;
}

.b3r-markdown-list {
  margin: 0.25em 0 0;
  padding-left: 1.25em;
  list-style: disc;
}

.b3r-markdown-list .b3r-list-md,
.b3r-markdown-list .b3r-list-md p {
  margin: 0;
}

.b3r-plan-item {
  margin: 0.35em 0;
}

.b3r-result-actions {
  margin-top: 12px;
  flex-wrap: wrap;
}

.b3r-a4-scroll {
  max-height: 70vh;
  overflow: auto;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
}

.b3r-a4-frame {
  background: #e2e8f0;
  padding: 12px;
}

.b3r-a4-iframe {
  width: 100%;
  min-height: 680px;
  border: none;
  background: #fff;
}

.b3r-report-modal .mantine-Modal-content {
  max-width: 920px;
}