:root {
  color-scheme: light;
  --bg: #f5f6f1;
  --panel: #ffffff;
  --panel-soft: #eef3f5;
  --ink: #182027;
  --muted: #62707a;
  --line: #d9e0df;
  --accent: #0f766e;
  --accent-dark: #0b5d57;
  --ready: #16823a;
  --pending: #9a6b08;
  --error: #b3261e;
  --shadow: 0 18px 50px rgba(24, 32, 39, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.12), transparent 36%),
    linear-gradient(315deg, rgba(30, 64, 175, 0.08), transparent 32%),
    var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
select,
input {
  font: inherit;
}

.shell {
  width: min(1800px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 28px;
}

.topbar,
.controls,
.content-grid,
.view-switch,
.statistics-view,
.dataset-view {
  width: 100%;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
}

.brand {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  align-items: center;
  gap: 20px;
}

.brand-copy {
  display: grid;
  min-width: 0;
  gap: 8px;
}

.brand-logo {
  display: block;
  width: clamp(280px, 34vw, 520px);
  flex: 0 0 auto;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 16px 42px rgba(0, 18, 45, 0.16);
}

.eyebrow,
.model-title p,
.response-head p {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.tagline {
  margin: 0;
  max-width: 640px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.35;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  color: #071a2f;
  font-size: clamp(2.2rem, 4.6vw, 4.7rem);
  font-weight: 850;
  line-height: 0.98;
  white-space: nowrap;
}

.status-pill {
  min-width: 164px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  padding: 10px 12px;
  color: var(--muted);
  text-align: center;
  box-shadow: 0 8px 24px rgba(24, 32, 39, 0.04);
}

.intro-panel {
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.84);
  padding: 18px 20px;
  box-shadow: 0 8px 24px rgba(24, 32, 39, 0.04);
}

.intro-panel p {
  margin: 0 0 12px;
  max-width: none;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.5;
}

.intro-panel p:last-child {
  margin-bottom: 0;
}

.intro-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.intro-links a {
  color: var(--accent-dark);
  font-weight: 700;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 2px;
}

.view-switch {
  display: inline-flex;
  max-width: 100%;
  width: auto;
  overflow-x: auto;
  gap: 4px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
  padding: 4px;
  box-shadow: 0 8px 24px rgba(24, 32, 39, 0.04);
}

.view-switch button {
  min-height: 38px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  padding: 7px 14px;
  cursor: pointer;
  font-weight: 800;
}

.view-switch button.active {
  background: var(--accent);
  color: #fff;
}

.hidden {
  display: none !important;
}

.controls {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 12px;
  align-items: end;
  margin-bottom: 16px;
}

.slider-field-wide {
  grid-column: 2;
}

.field,
.slider-field {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  padding: 12px;
  box-shadow: 0 8px 24px rgba(24, 32, 39, 0.04);
}

.field > span,
.section-head span,
.slider-head span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  padding: 8px 36px 8px 10px;
}

input[type="search"] {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  padding: 8px 10px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.section-head span {
  margin-bottom: 0;
}

.section-head strong {
  color: var(--muted);
  font-size: 0.78rem;
}

.section-head button {
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--accent-dark);
  padding: 5px 9px;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 700;
}

.section-head button:disabled {
  color: var(--muted);
  cursor: default;
  opacity: 0.55;
}

.slider-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.slider-head strong {
  overflow: hidden;
  max-width: 58%;
  color: var(--ink);
  font-size: 0.95rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.model-track {
  --model-marker-width: 124px;
  --model-gap: 6px;
  width: min(
    100%,
    calc((var(--model-count) * var(--model-marker-width)) + ((var(--model-count) - 1) * var(--model-gap)))
  );
  min-width: min(100%, var(--model-marker-width));
  overflow-x: auto;
  overscroll-behavior-x: contain;
}

.model-track input[type="range"] {
  display: block;
  min-width: calc((var(--model-count) * var(--model-marker-width)) + ((var(--model-count) - 1) * var(--model-gap)));
  padding-inline: calc(var(--model-marker-width) / 2);
}

.timeline {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: var(--model-marker-width);
  gap: var(--model-gap);
  margin-top: 10px;
  padding: 6px 3px 8px;
}

.timeline-marker {
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 34px;
  border: 0;
  border-radius: 7px;
  background: #d1d9d8;
  color: #334149;
  cursor: pointer;
  padding: 5px 4px;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.1;
}

.timeline-marker span {
  overflow-wrap: anywhere;
  text-align: center;
}

.timeline-marker[data-status="ready"] {
  background: color-mix(in srgb, var(--ready) 78%, white);
}

.timeline-marker[data-status="error"] {
  background: color-mix(in srgb, var(--error) 78%, white);
}

.timeline-marker.active {
  outline: 3px solid rgba(15, 118, 110, 0.24);
  outline-offset: 2px;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(280px, 380px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.selector-panel,
.prompt-browser,
.response-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
}

.selector-panel {
  display: grid;
  gap: 12px;
  padding: 14px;
}

.stacked-field {
  margin: 0;
}

.prompt-browser {
  display: grid;
  align-content: start;
  gap: 10px;
}

.tag-browser {
  display: grid;
  gap: 10px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  padding: 5px 9px;
  cursor: pointer;
  font-size: 0.82rem;
}

.tag-chip strong {
  min-width: 22px;
  border-radius: 999px;
  background: #edf2f1;
  color: var(--muted);
  padding: 2px 6px;
  text-align: center;
  font-size: 0.72rem;
}

.tag-chip.active {
  border-color: var(--accent);
  background: #dff0ed;
  color: var(--accent-dark);
  font-weight: 700;
}

.tag-chip.active strong {
  background: #fff;
  color: var(--accent-dark);
}

.tag-chip:disabled {
  cursor: default;
  opacity: 0.45;
}

.prompt-list {
  display: grid;
  gap: 8px;
  max-height: 592px;
  overflow: auto;
}

.prompt-item {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 10px;
  width: 100%;
  min-height: 52px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: #fff;
  padding: 9px;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.prompt-item:hover,
.prompt-item.active {
  border-color: var(--line);
  box-shadow: inset 4px 0 0 var(--accent);
}

.prompt-number {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: #d9e3e1;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
}

.prompt-item[data-status="ready"] .prompt-number {
  background: #d8efdf;
  color: var(--ready);
}

.prompt-item[data-status="error"] .prompt-number {
  background: #f7d9d6;
  color: var(--error);
}

.prompt-copy {
  display: grid;
  gap: 5px;
  align-self: center;
  line-height: 1.25;
}

.prompt-text {
  color: var(--ink);
}

.prompt-tags {
  color: var(--muted);
  font-size: 0.76rem;
}

.empty-state {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 16px;
  color: var(--muted);
  line-height: 1.35;
}

.response-panel {
  min-width: 0;
  overflow: hidden;
}

.response-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 20px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.response-head h2 {
  font-size: 1.28rem;
  line-height: 1.25;
}

.response-head button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  padding: 8px 12px;
  cursor: pointer;
}

.response-head button:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.meta-row {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 42px;
  border-bottom: 1px solid var(--line);
  background: var(--panel-soft);
  padding: 8px 18px;
  color: var(--muted);
  font-size: 0.86rem;
}

#responseStatus {
  border-radius: 999px;
  background: #d9e3e1;
  padding: 4px 9px;
  color: var(--accent-dark);
  font-weight: 700;
}

#responseStatus[data-status="error"] {
  background: #f7d9d6;
  color: var(--error);
}

#responsePath {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.response-text {
  min-height: calc(100vh - 236px);
  max-height: calc(100vh - 236px);
  margin: 0;
  overflow: auto;
  padding: 22px;
  background: #fff;
  color: #20262b;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.94rem;
  line-height: 1.55;
  white-space: pre-wrap;
}

.statistics-view {
  display: grid;
  gap: 16px;
}

.dataset-view {
  display: grid;
}

.dataset-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  padding: 20px;
  box-shadow: var(--shadow);
}

.dataset-card h2 {
  font-size: 1.3rem;
  line-height: 1.2;
}

.dataset-card p:not(.eyebrow) {
  margin: 8px 0 0;
  max-width: 720px;
  color: var(--muted);
  line-height: 1.45;
}

.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 7px;
  background: var(--accent);
  color: #fff;
  padding: 10px 14px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.download-button:hover {
  background: var(--accent-dark);
}

.statistics-family {
  width: min(280px, 100%);
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.chart-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  padding: 14px;
  box-shadow: var(--shadow);
}

.chart-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.chart-head h2 {
  font-size: 1.05rem;
}

.chart-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.chart-value {
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 800;
  white-space: nowrap;
}

.chart-svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.chart-axis,
.chart-gridline {
  stroke: #d6dedc;
  stroke-width: 1;
}

.chart-line {
  fill: none;
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
}

.chart-point {
  fill: #fff;
  stroke: var(--accent-dark);
  stroke-width: 2;
}

.chart-label,
.chart-y-label {
  fill: var(--muted);
  font-size: 11px;
}

.chart-model-label {
  fill: var(--ink);
  font-size: 11px;
  font-weight: 700;
}

.chart-empty {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 18px;
  color: var(--muted);
  line-height: 1.4;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 28px;
  padding: 24px 0 8px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
  text-align: center;
}

.site-footer img {
  width: 150px;
  height: auto;
  flex: 0 0 auto;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--accent-dark);
  font-weight: 700;
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

@media (max-width: 980px) {
  .content-grid,
  .chart-grid {
    grid-template-columns: 1fr;
  }

  .response-text {
    max-height: none;
  }

  .response-text {
    min-height: 420px;
  }
}

@media (max-width: 620px) {
  .shell {
    width: min(100% - 20px, 1800px);
    padding: 16px 0;
  }

  .topbar,
  .response-head,
  .meta-row,
  .dataset-card {
    align-items: stretch;
    flex-direction: column;
  }

  .brand {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
  }

  .brand-logo {
    width: 100%;
  }

  h1 {
    white-space: normal;
  }

  .status-pill {
    width: 100%;
  }

  .stats {
    grid-template-columns: 1fr;
  }

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

  .stats div:last-child {
    border-bottom: 0;
  }

  .site-footer {
    flex-direction: column;
    gap: 12px;
  }
}

@media (max-width: 1600px) {
  .controls {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .slider-field-wide {
    grid-column: 1;
  }

  .timeline {
    --model-marker-width: 112px;
  }
}

@media (max-width: 520px) {
  .view-switch {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }

  .view-switch button {
    width: 100%;
  }
}