:root {
  color-scheme: dark;
  --void: #0A0A0A;
  --slab: #0C0C0C;
  --panel-top: #101010;
  --panel-bottom: #0D0D0D;
  --well: #0B0B0B;
  --hairline: rgba(255, 255, 255, 0.075);
  --hairline-faint: rgba(255, 255, 255, 0.05);
  --ink: #F2F2F2;
  --ink-muted: #909090;
  --ink-micro: #838383;
  --font-display: Inter, ui-sans-serif, system-ui, sans-serif;
  --font-data: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--void);
}

body {
  padding: 1.25rem;
  display: flex;
  justify-content: center;
  color: var(--ink);
  font-family: var(--font-display);
}

a {
  color: var(--ink-muted);
  text-decoration: none;
}

a:hover {
  color: var(--ink);
}

.micro {
  font-family: var(--font-data);
  font-size: 0.66rem;
  letter-spacing: 0.13em;
  color: var(--ink-micro);
  text-transform: uppercase;
}

/* plate */

.plate {
  position: relative;
  width: 100%;
  max-width: 1600px;
  background: var(--slab);
  border: 1px solid var(--hairline);
  padding: 1.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.reg {
  position: absolute;
  width: 10px;
  height: 10px;
  pointer-events: none;
}

.reg::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--hairline);
}

.reg::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--hairline);
}

.reg-tl {
  left: 10px;
  top: 10px;
}

.reg-tr {
  right: 10px;
  top: 10px;
}

.reg-bl {
  left: 10px;
  bottom: 10px;
}

.reg-br {
  right: 10px;
  bottom: 10px;
}

/* header */

.plate-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 0.75rem;
}

.identity {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.wordmark {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.rule {
  width: 1px;
  height: 0.8rem;
  background: var(--hairline);
}

.discipline {
  font-family: var(--font-data);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--ink-micro);
  text-transform: uppercase;
}

.header-nav {
  font-family: var(--font-data);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--ink-micro);
  text-transform: uppercase;
}

/* panel / well material */

.panel {
  background: var(--panel-top);
  border: 1px solid var(--hairline);
  border-radius: 1px;
  padding: 1rem 1.1rem;
}

.well {
  background: var(--well);
  border: 1px solid rgba(255, 255, 255, 0.055);
  border-radius: 1px;
}

.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.4rem;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--hairline-faint);
}

.panel-title {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.panel-sub {
  margin: 0.3rem 0 0;
  font-size: 0.72rem;
  color: var(--ink-muted);
  max-width: 34ch;
}

.fig-meta {
  font-family: var(--font-data);
  font-size: 0.62rem;
  letter-spacing: 0.13em;
  color: var(--ink-micro);
  text-transform: uppercase;
  text-align: right;
  line-height: 1.6;
  white-space: nowrap;
}

/* scan row: dominant geometry + candidate rail + inspection rail */

.scan-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 232px 250px;
  gap: 0.75rem;
}

.geometry-panel {
  padding: 1.1rem 1.25rem;
}

.geometry-panel .winner {
  margin: 0.6rem 0 0;
  font-family: var(--font-data);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink);
}

.candidate-rail {
  display: flex;
  flex-direction: column;
  font-family: var(--font-data);
}

.candidate-head-row {
  display: grid;
  grid-template-columns: 26px 1fr auto;
  gap: 0.5rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--hairline-faint);
}

.candidates {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 240px;
  overflow-y: auto;
  scroll-snap-type: y proximity;
  font-size: 0.74rem;
}

.candidates li {
  scroll-snap-align: start;
}

.candidate-row {
  display: grid;
  grid-template-columns: 26px 1fr auto;
  gap: 0.5rem;
  align-items: center;
  width: 100%;
  height: 24px;
  margin: 0;
  padding: 0;
  background: none;
  border: none;
  border-bottom: 1px solid var(--hairline-faint);
  color: var(--ink-muted);
  font: inherit;
  text-align: left;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
}

.candidate-row > span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
}

.candidate-row:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: -2px;
}

.row-status {
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: inherit;
}

.winner-row {
  color: var(--ink);
  font-weight: 600;
}

.selected-discarded-row {
  color: var(--ink-muted);
  font-weight: 600;
}

/* inspection rail */

.rail {
  display: flex;
  flex-direction: column;
}

.rail-rows {
  margin: 0;
  display: flex;
  flex-direction: column;
}

.rail-rows > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.28rem 0;
  border-bottom: 1px solid var(--hairline-faint);
}

.rail-rows dt {
  font-family: var(--font-data);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--ink-micro);
  text-transform: uppercase;
}

.rail-rows dd {
  margin: 0;
  font-family: var(--font-data);
  font-size: 0.78rem;
  color: var(--ink);
  text-align: right;
}

.rail-rows dd.decision {
  color: var(--ink);
  font-weight: 600;
}

/* overview row: overview + winner-area histogram */

.overview-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 0.75rem;
}

.overview-panel {
  display: flex;
  flex-direction: column;
}

.overview-frame {
  position: relative;
  flex: 1;
  height: auto;
  min-height: 190px;
}

#overview-svg-wrap {
  position: absolute;
  inset: 0.9rem;
}

#detail-svg-wrap {
  height: 250px;
}

#overview-svg-wrap svg,
#detail-svg-wrap svg {
  width: 100%;
  height: 100%;
  display: block;
}

.caption {
  text-align: center;
  margin: 0.6rem 0 0;
}

.raw-line {
  fill: none;
  stroke: var(--ink-micro);
  stroke-width: 1.3;
  stroke-opacity: 0.7;
}

.retained-line {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.6;
}

.survivor-dot {
  fill: var(--ink);
}

.bucket-bands {
  position: absolute;
  inset: 0.9rem;
}

.band {
  position: absolute;
  top: 0;
  bottom: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.band:hover,
.band:focus-visible {
  background: rgba(255, 255, 255, 0.1);
  outline: 2px solid var(--ink);
  outline-offset: -2px;
}

.band.active {
  background: rgba(255, 255, 255, 0.13);
}

.histogram-panel {
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.histogram-panel .well {
  height: 190px;
  padding: 0.75rem;
}

.sparkline-bars {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 100%;
  border-bottom: 1px solid var(--hairline);
}

.sparkline-bars .bar {
  flex: 1;
  background: rgba(255, 255, 255, 0.16);
  border-radius: 1px 1px 0 0;
  border: none;
  padding: 0;
  cursor: pointer;
}

.sparkline-bars .bar.selected {
  background: var(--ink);
}

.sparkline-bars .bar:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: -2px;
}

/* detail svg marks */

.anchor-line {
  stroke: var(--ink-micro);
  stroke-dasharray: 4 4;
}

.winner-triangle {
  fill: rgba(255, 255, 255, 0.12);
  stroke: var(--ink);
  stroke-width: 1.75;
}

.anchor-dot {
  fill: var(--ink);
}

.candidate-dot {
  fill: var(--ink-micro);
}

.winner-dot {
  fill: var(--ink);
  stroke: var(--well);
  stroke-width: 2;
}

.selected-discarded-triangle {
  fill: none;
  stroke: var(--ink-muted);
  stroke-width: 1.25;
  stroke-dasharray: 5 4;
}

.selected-discarded-dot {
  fill: var(--well);
  stroke: var(--ink-muted);
  stroke-width: 1.5;
  stroke-dasharray: 2 1.5;
}

.svg-label {
  font: 10px var(--font-data);
  fill: var(--ink-muted);
}

/* footer */

.plate-footer {
  padding-top: 0.5rem;
  border-top: 1px solid var(--hairline);
}

.boundary-text {
  margin: 0;
  font-size: 0.68rem;
  line-height: 1.55;
  color: var(--ink-micro);
}

.boundary-text code {
  padding: 1px 4px;
  border-radius: 2px;
}

@media (max-width: 1100px) {
  .scan-row,
  .overview-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .plate-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}