:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --bg-glow: #eaf0ff;
  --panel: #ffffff;
  --ink: #172033;
  --muted: #667085;
  --border: #d9deea;
  --accent: #315be8;
  --accent-soft: #e7ecff;
  --accent-ink: #243a8f;
  --truth: #e5484d;
  --sample: #315be8;
  --shadow: 0 12px 30px rgba(17, 24, 39, 0.08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #14161d;
  --bg-glow: #1b2233;
  --panel: #1e222d;
  --ink: #e6e9f2;
  --muted: #9aa3b5;
  --border: #333a4c;
  --accent: #6b8afd;
  --accent-soft: #26304d;
  --accent-ink: #b9c6ff;
  --truth: #ff6b70;
  --sample: #6b8afd;
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top left, var(--bg-glow), transparent 34rem), var(--bg);
  color: var(--ink);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.9em;
}

.app {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 1.1rem;
  display: grid;
  gap: 0.8rem;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.eyebrow {
  margin: 0 0 0.2rem;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(1.65rem, 4vw, 2.4rem);
  line-height: 1.05;
}

.lede {
  margin: 0.45rem 0 0;
  max-width: 56rem;
  color: var(--muted);
}

.repo-link,
button {
  appearance: none;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  padding: 0.55rem 1rem;
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}

button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  padding: 0.9rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
}

.toolbar .task-control {
  flex: 1 1 14rem;
}

.toolbar .legend {
  margin-left: auto;
  align-self: center;
}

label {
  display: grid;
  gap: 0.25rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

select {
  width: 100%;
  min-width: 6.5rem;
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  background: var(--panel);
  color: var(--ink);
  padding: 0.55rem 0.65rem;
  font-size: 0.95rem;
}

.task-info {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.92rem;
}

.pill {
  display: inline-flex;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--accent-soft);
  color: var(--accent-ink);
  padding: 0.18rem 0.55rem;
  font-weight: 750;
}

.panel-title {
  font-weight: 850;
  letter-spacing: 0.02em;
}

.hint,
.status {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.status {
  margin: 0.55rem 0;
}

.status.loading {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.status.loading::before {
  content: "";
  width: 0.8rem;
  height: 0.8rem;
  flex: 0 0 auto;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.advanced summary {
  cursor: pointer;
  font-weight: 800;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.advanced[open] summary {
  margin-bottom: 0.7rem;
  color: var(--ink);
}

.advanced-body {
  display: grid;
  gap: 0.8rem;
}

.points-control {
  max-width: 10rem;
}

.dimension-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.65rem;
  max-height: 8.8rem;
  overflow: auto;
}

.dim-check {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.24rem 0.55rem;
  background: var(--panel);
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0;
}

.dim-check input {
  accent-color: var(--accent);
}

.plot-panel {
  min-width: 0;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.dot {
  display: inline-block;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 999px;
  margin-right: 0.25rem;
  vertical-align: -0.05rem;
}

.dot.sample {
  background: var(--sample);
}

.dot.truth {
  background: var(--truth);
}

.plot-scroll {
  overflow: auto;
  max-height: 82vh;
}

canvas {
  display: block;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  background: var(--panel);
}

.embedded {
  background: var(--panel);
}

.embedded .app {
  padding: 0;
  gap: 0.6rem;
}

.embedded .hero {
  display: none;
}

.embedded .panel {
  box-shadow: none;
}

/* Task is fixed by the embedding page. */
.embedded .task-control {
  display: none;
}

@media (max-width: 760px) {
  .hero {
    flex-direction: column;
  }

  .toolbar .legend {
    margin-left: 0;
  }

  .plot-scroll {
    max-height: none;
  }
}