html,
body {
  height: 100%;
}
body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: #f7f7f8;
  color: #222;
}
main {
  max-width: 640px;
  margin: 0 auto;
  padding: 32px 20px;
}
h1 {
  font-size: 20px;
  margin: 0 0 8px;
}
.hint {
  font-size: 13px;
  color: #666;
  margin: 0 0 20px;
}
.search {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}
input {
  flex: 1;
  padding: 8px 12px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 6px;
}
button {
  padding: 8px 16px;
  font-size: 14px;
  border: none;
  border-radius: 6px;
  background: #2563eb;
  color: #fff;
  cursor: pointer;
}
button:hover {
  background: #1d4ed8;
}
button:disabled {
  opacity: 0.6;
  cursor: default;
}
.panel {
  margin-top: 28px;
}
.panel h2 {
  font-size: 16px;
  margin: 0 0 6px;
}
.corpus-grid {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.corpus-card {
  padding: 10px 12px;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 6px;
  font-size: 14px;
  line-height: 1.45;
}
.corpus-card .idx {
  display: inline-block;
  min-width: 18px;
  margin-right: 8px;
  font-size: 12px;
  color: #999;
  font-variant-numeric: tabular-nums;
}
mark {
  background: rgba(37, 99, 235, 0.15);
  color: #1d4ed8;
  font-weight: 600;
  border-radius: 3px;
  padding: 0 2px;
}
.matrix-scroll,
.qv-scroll {
  overflow-x: auto;
  max-width: 100%;
}
canvas {
  display: block;
}
.steps {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 12px;
}
.step {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 12px;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 6px;
}
.step.current {
  outline: 2px solid #2563eb;
  outline-offset: -2px;
}
.step .row {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  align-items: center;
  gap: 12px;
}
.step .idx {
  font-size: 12px;
  color: #999;
  font-variant-numeric: tabular-nums;
}
.bar-track {
  height: 10px;
  background: #eee;
  border-radius: 6px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  width: 0;
  background: #2563eb;
  border-radius: 6px;
  transition: width 250ms ease;
}
.step.zero .bar-fill {
  background: #ccc;
}
.step .vals {
  font-size: 11px;
  color: #666;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  padding-left: 36px;
}
.step .score {
  font-size: 13px;
  color: #2563eb;
  font-variant-numeric: tabular-nums;
  min-width: 48px;
  text-align: right;
}