.arbe-arc-card {
  border: 1px solid #d0d0d0;
  border-radius: 12px;
  padding: 24px;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  max-width: 920px;
  background: #ffffff;
  color: #1f2937;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  margin: 1.5rem 0;
}
.arbe-arc-header {
  display: flex;
  gap: 20px;
  align-items: center;
  margin-bottom: 24px;
  border-bottom: 1px solid #d0d0d0;
  padding-bottom: 16px;
}
.arbe-arc-status {
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  text-align: center;
  min-width: 140px;
}
.arbe-arc-header h2 { margin: 0 0 4px 0; font-size: 1.4rem; }
.arbe-arc-header p { margin: 0; color: #4b5563; font-size: 0.95rem; }
.arbe-arc-status-stable { background: #d9f7df; color: #065f46; }
.arbe-arc-status-watch { background: #fff3bf; color: #854d0e; }
.arbe-arc-status-review { background: #e0f2fe; color: #0369a1; }
.arbe-arc-status-block { background: #ffd6d6; color: #991b1b; }
.arbe-arc-status-invalid { background: #ffb3b3; color: #991b1b; }
.arbe-arc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}
@media (max-width: 768px) { .arbe-arc-grid { grid-template-columns: 1fr; } .arbe-arc-header { align-items: flex-start; flex-direction: column; } }
.arbe-arc-block {
  background: #f9fafb;
  border-radius: 8px;
  padding: 16px;
  border: 1px solid #f3f4f6;
}
.arbe-arc-block h3 {
  margin: 0 0 12px 0;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #4b5563;
  border-bottom: 1px solid #e5e7eb;
  padding-bottom: 6px;
}
.arbe-arc-block p { margin: 6px 0; font-size: 0.9rem; }
.arbe-arc-lock-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.85rem;
}
.arbe-arc-lock-badge.locked { background: #d9f7df; color: #065f46; }
.arbe-arc-lock-badge.unlocked { background: #fff3bf; color: #b45309; animation: arbeArcPulse 2s infinite; }
.arbe-arc-lock-badge.invalid { background: #ffb3b3; color: #991b1b; }
.arbe-arc-warning {
  background: #fff7ed;
  border-left: 4px solid #f97316;
  padding: 8px 10px;
  color: #9a3412;
}
.arbe-arc-error {
  background: #fff1f2;
  border: 1px solid #fecdd3;
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 16px;
  color: #9f1239;
}
.arbe-arc-channel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin: 24px 0;
}
.arbe-arc-channel {
  border-radius: 10px;
  padding: 14px;
  border: 1px solid #d0d0d0;
  background: #ffffff;
}
.arbe-arc-channel span { display: block; font-size: 0.8rem; color: #4b5563; }
.arbe-arc-channel strong { display: block; margin-top: 8px; font-size: 1rem; }
.arbe-arc-channel.stable { background: #d9f7df; border-color: #a7f3d0; color: #065f46; }
.arbe-arc-channel.watch { background: #fff3bf; border-color: #fef08a; color: #854d0e; }
.arbe-arc-channel.review { background: #e0f2fe; border-color: #bae6fd; color: #0369a1; }
.arbe-arc-channel.block { background: #ffd6d6; border-color: #fecaca; color: #991b1b; }
.arbe-arc-channel.invalid { background: #ffb3b3; border-color: #fecaca; color: #991b1b; }
.arbe-arc-channel.not-in-scope, .arbe-arc-channel.not-measured { background: #eeeeee; border-color: #e5e7eb; color: #6b7280; }
.arbe-arc-audit {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid #d0d0d0;
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: #4b5563;
  flex-wrap: wrap;
  gap: 12px;
}
@keyframes arbeArcPulse { 0% { opacity: 1; } 50% { opacity: 0.6; } 100% { opacity: 1; } }