:root {
  color-scheme: dark;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #04040a;
  color: #f3f4ff;
}

body {
  margin: 0;
  padding: 0;
}

.layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 2rem 4rem;
}

header {
  margin-bottom: 2rem;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  color: #9cf1ff;
}

h2 {
  color: #ffe082;
  margin-bottom: 0.75rem;
}

p {
  line-height: 1.6;
}

.panels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

article {
  background: rgba(17, 22, 44, 0.92);
  border: 1px solid rgba(156, 241, 255, 0.25);
  border-radius: 14px;
  padding: 1.25rem;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
}

.owner-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.owner-controls span {
  background: rgba(156, 241, 255, 0.1);
  border: 1px solid rgba(156, 241, 255, 0.4);
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  font-size: 0.9rem;
}

.list-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.6rem;
}

.list-grid li {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 0.65rem 0.8rem;
}

.metric-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.metric-card strong {
  font-size: 1.25rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(82, 250, 190, 0.2);
  border: 1px solid rgba(82, 250, 190, 0.55);
  border-radius: 999px;
  padding: 0.35rem 0.65rem;
  font-size: 0.85rem;
}

.timeline {
  display: grid;
  gap: 0.5rem;
}

.timeline-entry {
  border-left: 3px solid rgba(255, 224, 130, 0.7);
  padding-left: 1rem;
}

footer {
  margin-top: 3rem;
  text-align: center;
  color: rgba(243, 244, 255, 0.78);
}

.mermaid-section {
  margin-top: 2rem;
}

.mermaid {
  background: rgba(17, 22, 44, 0.9);
  border-radius: 16px;
  padding: 1rem;
  border: 1px solid rgba(156, 241, 255, 0.25);
}

@media (max-width: 768px) {
  .layout {
    padding: 1.5rem 1rem 3rem;
  }

  h1 {
    font-size: 2rem;
  }
}