:root {
  color-scheme: dark;
}

.witness-body {
  margin: 0;
  background: linear-gradient(180deg, #0c0c17 0%, #050507 100%);
  color: #f3f4ff;
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
}

.witness-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  padding: 20px 8vw 0;
}

.witness-nav a {
  color: #b3b5d1;
  text-decoration: none;
  font-size: 0.85rem;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: rgba(16, 185, 129, 0.12);
  transition: all 0.2s ease;
}

.witness-nav a:hover {
  color: #f3f4ff;
  border-color: rgba(16, 185, 129, 0.45);
}

.witness-nav a.active {
  color: #f3f4ff;
  background: rgba(16, 185, 129, 0.28);
  border-color: rgba(16, 185, 129, 0.6);
}

.witness-hero {
  padding: 40px 8vw 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.witness-hero h1 {
  margin: 8px 0 0;
  font-size: 2.2rem;
}

.witness-hero p {
  color: #b3b5d1;
  margin-top: 6px;
}

.witness-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: #10b981;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.witness-main {
  padding: 10px 8vw 60px;
  display: grid;
  gap: 24px;
}

.witness-panel {
  background: rgba(12, 12, 25, 0.8);
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.overview-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 14px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.overview-card h3 {
  margin: 0 0 4px;
  font-size: 0.9rem;
  color: #c2c5ea;
}

.overview-card p {
  margin: 0;
  font-size: 1.4rem;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
}

.timeline {
  display: grid;
  gap: 10px;
}

.timeline-item {
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 0.9rem;
  color: #c9cbee;
}

.trace-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.trace-card {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px;
}

.trace-card h3 {
  margin: 0;
  font-size: 1rem;
}

.trace-card p {
  margin: 6px 0;
  color: #c7c9e8;
}

.trace-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.trace-actions button {
  border: none;
  border-radius: 10px;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  cursor: pointer;
  font-size: 0.8rem;
}

.btn-secondary {
  border: none;
  border-radius: 12px;
  padding: 10px 16px;
  cursor: pointer;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}