:root {
  --ink: #171b20;
  --muted: #5f6873;
  --soft: #7a8491;
  --paper: #f7f7f4;
  --surface: #ffffff;
  --surface-2: #eef1ef;
  --line: #d8ddd9;
  --line-strong: #bdc5bf;
  --blue: #053061;
  --blue-mid: #4393c3;
  --score-neutral: #f2efee;
  --red-mid: #d6604d;
  --red: #67001f;
  --hover: #4e4a46;
  --selected: #1f5a95;
  --teal: #007c78;
  --amber: #b98222;
  --radius: 8px;
  --mono: "SFMono-Regular", "Cascadia Mono", "Roboto Mono", Menlo, Consolas, monospace;
  --sans: "Aptos", "Segoe UI", "Helvetica Neue", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 12px;
  line-height: 1.42;
}

a {
  color: inherit;
}

button,
input,
select {
  font: inherit;
}

.topbar,
.viewer-topbar {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 7px 14px;
  border-bottom: 1px solid var(--line);
  background: rgb(247 247 244 / 0.96);
}

.viewer-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  color: var(--ink);
  font-weight: 760;
  text-decoration: none;
  white-space: nowrap;
}

.section-label,
.back-link {
  color: var(--muted);
  font-size: 12px;
}

.back-link {
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.back-link:hover,
.back-link:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--teal);
}

.case-select-wrap {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.case-select-wrap select {
  width: min(44vw, 520px);
  min-height: 28px;
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: var(--surface);
  padding: 4px 8px;
}

.gallery-shell {
  width: min(1120px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 40px 0 64px;
}

.gallery-intro {
  max-width: 760px;
  margin-bottom: 26px;
}

.kicker {
  margin: 0 0 6px;
  color: var(--teal);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: 28px;
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: 14px;
  line-height: 1.2;
}

.gallery-intro p,
.case-subtitle,
.small-note {
  color: var(--muted);
}

.filter-panel,
.case-list-panel,
.compact-panel,
.transcript-column {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.filter-panel {
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) repeat(3, minmax(140px, 0.75fr));
  gap: 10px;
  padding: 12px;
  margin-bottom: 14px;
}

.filter-field {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 11px;
}

.filter-field input,
.filter-field select {
  width: 100%;
  min-height: 32px;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: #fbfbf9;
  color: var(--ink);
  padding: 5px 8px;
}

.case-list-panel {
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
}

.case-list-panel .panel-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.muted {
  color: var(--soft);
  font-size: 12px;
}

.case-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0;
}

.case-hub-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-card {
  display: block;
  min-height: 156px;
  padding: 16px;
  color: inherit;
  text-decoration: none;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.case-card:hover,
.case-card:focus-visible {
  background: #f1f4f2;
  outline: none;
}

.case-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.2;
}

.case-card p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: #fbfbf9;
  font-family: var(--mono);
  font-size: 11px;
}

.score-chip {
  color: var(--ink);
  border-color: var(--line-strong);
}

.viewer-shell {
  height: calc(100vh - 45px);
  display: grid;
  grid-template-columns: minmax(286px, 32vw) minmax(0, 1fr);
  overflow: hidden;
}

.overview-column,
.transcript-column {
  min-height: 0;
  overflow: auto;
}

.overview-column {
  padding: 10px;
  border-right: 1px solid var(--line);
}

.compact-panel {
  padding: 10px;
  margin-bottom: 8px;
}

.compact-panel h1 {
  font-size: 17px;
  line-height: 1.15;
}

.case-subtitle {
  margin: 6px 0 0;
  font-size: 11px;
}

.score-legend {
  width: min(100%, 180px);
  height: 12px;
  border-radius: 2px;
  background: linear-gradient(
    90deg,
    #053061 0%,
    #2166a0 8.35%,
    #4393c3 16.65%,
    #d1e5f0 33.35%,
    #f2efee 50%,
    #fddbc7 66.7%,
    #d6604d 83.3%,
    #67001f 100%
  );
  box-shadow: inset 0 0 0 1px rgb(0 0 0 / 0.14);
}

.score-mode-control {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  width: min(100%, 180px);
  margin: 8px 0 9px;
  padding: 2px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: #f4f5f2;
}

.mode-button {
  min-height: 26px;
  padding: 3px 8px;
  border: 0;
  border-radius: 4px;
  color: var(--muted);
  background: transparent;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.mode-button:hover,
.mode-button:focus-visible {
  color: var(--ink);
  outline: none;
}

.mode-button.is-active {
  color: var(--ink);
  background: var(--surface);
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.12);
}

.legend-labels {
  width: min(100%, 180px);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  margin-top: 3px;
  color: #333333;
  font-family: var(--mono);
  font-size: 9px;
  line-height: 1.25;
}

.legend-labels span:nth-child(2) {
  color: #6e6762;
}

.legend-labels span:last-child {
  text-align: right;
}

.small-note {
  margin: 7px 0 0;
  font-size: 11px;
}

.overview-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin: 0 0 8px;
}

.tool-check {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 27px;
  padding: 4px 8px;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  color: var(--muted);
  background: #fbfbf9;
  font-size: 11px;
  font-weight: 730;
  cursor: pointer;
  user-select: none;
}

.tool-check input {
  width: 14px;
  height: 14px;
  margin: 0;
  accent-color: var(--teal);
  cursor: pointer;
  flex: 0 0 auto;
}

.tool-check:hover,
.tool-check:focus-within {
  color: var(--ink);
  border-color: #8e9992;
  outline: none;
}

.tool-check.is-active {
  color: var(--ink);
  background: #e9efec;
  border-color: var(--teal);
}

.tool-check.wide {
  grid-column: 1 / -1;
}

#overview-canvas {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #fbfbf9;
  image-rendering: pixelated;
  cursor: crosshair;
}

.metadata-list {
  display: grid;
  grid-template-columns: minmax(98px, 0.55fr) minmax(0, 1fr);
  gap: 0;
  margin: 4px 0 0;
  font-size: 11px;
}

.metadata-list dt,
.metadata-list dd {
  margin: 0;
  padding: 6px 0;
  border-top: 1px solid var(--line);
}

.metadata-list dt {
  color: var(--soft);
  padding-right: 10px;
}

.metadata-list dd {
  color: var(--ink);
  font-family: var(--mono);
  overflow-wrap: anywhere;
}

.transcript-column {
  border: none;
  border-radius: 0;
  background: var(--surface);
}

.transcript-toolbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--line);
  background: rgb(255 255 255 / 0.96);
}

.active-token {
  max-width: min(44vw, 460px);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  text-align: right;
  overflow-wrap: anywhere;
}

.focus-window {
  position: sticky;
  top: 50px;
  z-index: 9;
  max-height: 178px;
  overflow: auto;
  padding: 8px 14px 10px;
  border-bottom: 1px solid var(--line);
  background: rgb(255 255 255 / 0.97);
}

.focus-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
  color: var(--soft);
  font-family: var(--mono);
  font-size: 10px;
}

.focus-tokens {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.focus-tok {
  border-radius: 2px;
  padding: 1px 0;
  cursor: pointer;
}

.focus-tok.is-context {
  color: #85817c;
}

.focus-tok.is-anchor {
  outline: 2px solid var(--selected);
  outline-offset: 1px;
}

.transcript {
  padding: 14px 14px 48px;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.tok {
  position: relative;
  border-radius: 1px;
  padding: 0 1px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  cursor: default;
}

.tok.is-context {
  color: #44413d;
  background: transparent;
}

.tok.region-thinking:not(.is-scored) {
  background: #efe5cf;
}

.tok.region-output:not(.is-scored) {
  background: #e9eef1;
}

.tok.is-special {
  color: #7f776f;
  border-bottom: 1px dotted #b6aca1;
}

.tok.is-scored {
  font-weight: 650;
}

.tok.is-hovered {
  outline: 1px solid var(--hover);
  outline-offset: 1px;
  z-index: 2;
}

.tok.is-selected {
  outline: 2px solid var(--selected);
  outline-offset: 1px;
  z-index: 3;
}

.tok.is-max-activation {
  outline: 2px solid #0b3fb5;
  outline-offset: 2px;
  z-index: 4;
}

.status {
  color: var(--muted);
  padding: 16px;
}

.status.error {
  color: #9b1c1c;
}

@media (max-width: 820px) {
  .topbar {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 10px 14px;
  }

  .filter-panel {
    display: block;
  }

  .filter-field {
    margin-bottom: 9px;
  }

  .filter-field:last-child {
    margin-bottom: 0;
  }

  .viewer-topbar {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .case-hub-list {
    grid-template-columns: 1fr;
  }

  .case-select-wrap {
    width: 100%;
    margin-left: 0;
  }

  .case-select-wrap select {
    flex: 1;
    width: auto;
  }

  .viewer-shell {
    height: auto;
    display: block;
    overflow: visible;
  }

  .overview-column,
  .transcript-column {
    overflow: visible;
  }

  .overview-column {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .transcript-toolbar {
    top: 0;
  }

  .focus-window {
    position: static;
    max-height: none;
  }

  .active-token {
    max-width: none;
    text-align: left;
  }
}