barad-dur 0.18.0

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: #080a0f;
  color: #e2e8f0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
header {
  background: #0d1117;
  border-bottom: 1px solid #1e293b;
  padding: 12px 24px;
  flex-shrink: 0;
}
header h1 {
  font-size: 20px;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 4px;
}
header .summary {
  color: #94a3b8;
  font-size: 13px;
}
#graph {
  width: 100%;
  flex: 1;
  position: relative;
  overflow: hidden;
}
#graph svg {
  width: 100%;
  height: 100%;
  cursor: grab;
}
#graph svg.panning {
  cursor: grabbing;
}
.tooltip {
  position: absolute;
  display: none;
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 6px;
  padding: 8px 12px;
  color: #e2e8f0;
  font-size: 12px;
  pointer-events: none;
  z-index: 100;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}
.tooltip .name { font-weight: 600; font-size: 13px; color: #f1f5f9; }
.tooltip .detail { color: #94a3b8; margin-top: 2px; }
.tabs {
  display: flex;
  gap: 0;
  background: #0d1117;
  border-bottom: 1px solid #1e293b;
  padding: 0 24px;
  flex-shrink: 0;
}
.tab {
  background: transparent;
  border: none;
  color: #94a3b8;
  padding: 10px 20px;
  cursor: pointer;
  font-size: 14px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.tab:hover { color: #e2e8f0; }
.tab.active {
  color: #3b82f6;
  border-bottom-color: #3b82f6;
}
.tab-content { display: none; flex: 1; overflow: hidden; }
.tab-content.active { display: flex; flex-direction: column; }
#tab-matrix, #tab-methodology { overflow-y: auto; }
.filters {
  background: #0d1117;
  padding: 8px 24px;
  display: flex;
  gap: 16px;
  border-bottom: 1px solid #1e293b;
  flex-shrink: 0;
}
.filters label {
  color: #94a3b8;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
}
.filters input[type="checkbox"] {
  accent-color: #3b82f6;
}
#matrix {
  padding: 24px;
  overflow-x: auto;
  overflow-y: visible;
}
#matrix table {
  border-collapse: collapse;
  margin: 0 auto;
}
#matrix th {
  padding: 6px 10px;
  color: #94a3b8;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
#matrix td {
  width: 48px;
  height: 48px;
  text-align: center;
  font-size: 11px;
  color: #e2e8f0;
  border: 1px solid #1e293b;
  position: relative;
}
#matrix td.matrix-cell {
  cursor: default;
}
#matrix td.diagonal {
  background: #0d1117;
}
.methodology {
  max-width: 700px;
  margin: 0 auto;
  padding: 32px 24px;
  line-height: 1.6;
  overflow-x: hidden;
  word-wrap: break-word;
}
.methodology h2 {
  font-size: 18px;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 8px;
}
.methodology .intro {
  color: #94a3b8;
  margin-bottom: 24px;
  font-size: 14px;
}
.method-section {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid #1e293b;
}
.method-section:last-child {
  border-bottom: none;
}
.method-section h3 {
  font-size: 15px;
  font-weight: 600;
  color: #e2e8f0;
  margin-bottom: 8px;
}
.method-section p {
  color: #cbd5e1;
  margin-bottom: 8px;
  font-size: 13px;
}
.method-section ol, .method-section ul {
  color: #cbd5e1;
  margin: 8px 0 12px 20px;
  font-size: 13px;
}
.method-section li {
  margin-bottom: 4px;
}
.method-section .formula {
  background: #0d1117;
  border: 1px solid #1e293b;
  border-radius: 4px;
  padding: 8px 12px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12px;
  color: #7dd3fc;
  margin: 8px 0;
  overflow-x: auto;
  white-space: nowrap;
}
.legend {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background: rgba(13,17,23,0.92);
  border: 1px solid #1e293b;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 12px;
  color: #94a3b8;
  z-index: 50;
  max-width: 260px;
}
.legend h3 {
  font-size: 12px;
  font-weight: 600;
  color: #e2e8f0;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.legend-section {
  margin-bottom: 10px;
}
.legend-section:last-child {
  margin-bottom: 0;
}
.legend-section .label {
  font-weight: 600;
  color: #cbd5e1;
  margin-bottom: 4px;
}
.legend-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 3px;
}
.legend-swatch {
  width: 24px;
  height: 4px;
  border-radius: 2px;
  flex-shrink: 0;
}
.legend-circle {
  border-radius: 50%;
  flex-shrink: 0;
  background: #3b82f6;
  border: 1.5px solid #60a5fa;
}
.matrix-legend {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 auto 16px auto;
  justify-content: center;
  font-size: 12px;
  color: #94a3b8;
}
.matrix-legend .gradient {
  width: 180px;
  height: 12px;
  border-radius: 3px;
  border: 1px solid #1e293b;
}