:root {
  --bg: #0f1220;
  --panel: #171a2b;
  --card: #1f2540;
  --text: #edf1ff;
  --muted: #a2accf;
  --accent: #6ea8fe;
  --danger: #e86a92;
  --border: #2e3760;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top, #1a1f3a 0%, var(--bg) 55%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

.hidden {
  display: none !important;
}

.app-header {
  padding: 12px 16px 0;
}

.app-header-inner {
  width: min(980px, 100%);
  margin: 0 auto;
  background: color-mix(in srgb, var(--panel), black 5%);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
}

.intro-page {
  min-height: calc(100vh - 88px);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 12px 16px 24px;
}

.intro-panel {
  width: min(980px, 100%);
  background: color-mix(in srgb, var(--panel), black 5%);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}

.intro-logo-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(140px, 1fr));
  gap: 10px;
  margin: 0 0 10px;
}

.logo-placeholder {
  border: 1px dashed var(--border);
  border-radius: 10px;
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  background: color-mix(in srgb, var(--card), black 8%);
}

.logo-link {
  border: 1px solid var(--border);
  border-radius: 10px;
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  background: color-mix(in srgb, var(--card), black 8%);
}

.header-logo {
  max-height: 120px;
  object-fit: contain;
}

.intro-links {
  display: flex;
  gap: 12px;
  margin-bottom: 0;
}

.intro-links a {
  color: var(--accent);
  text-decoration: none;
}

.intro-links a:hover {
  text-decoration: underline;
}

.intro-section {
  margin: 14px 0;
}

.carousel {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
}

.carousel-arrow {
  width: 44px;
  height: 44px;
  font-size: 1.2rem;
}

.carousel-image {
  border: 1px solid var(--border);
  border-radius: 12px;
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 16px;
  color: var(--muted);
  background: color-mix(in srgb, var(--card), black 8%);
}

.carousel-image img {
  width: 100%;
  max-height: 460px;
  object-fit: contain;
  border-radius: 8px;
}

.go-playground-btn {
  margin-top: 6px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(360px, 460px) 1fr;
  gap: 16px;
  padding: 16px;
}

.panel {
  background: color-mix(in srgb, var(--panel), black 5%);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
}

h1, h2, h3 {
  margin: 0 0 10px;
}

.muted {
  color: var(--muted);
  margin-top: 0;
}

.grid.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.88rem;
  color: var(--muted);
}

input,
select,
button {
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #101427;
  color: var(--text);
  padding: 8px 10px;
  font-size: 0.92rem;
  max-width: 180px;

}

.traits-container {
  display: grid;
  grid-template-columns: 50% 50%;
  gap: 8px;
  margin-bottom: 12px;
  max-width: 100%;
}

.trait-select-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.trait-select-item select {
  max-width: 100%;
}

.save-row {
  display: flex;
  align-items: end;
  gap: 10px;
  margin-bottom: 6px;
}

#save_run {
  height: fit-content;
}

button {
  cursor: pointer;
}

button:hover {
  border-color: var(--accent);
}

.class-header {
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#classes_container {
  margin-top: 10px;
  display: grid;
  gap: 10px;
}

.class-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
  background: var(--card);
}

.class-top {
  display: grid;
  grid-template-columns: 1fr 130px auto;
  gap: 8px;
  align-items: end;
  margin-bottom: 8px;
}

.remove {
  color: #ffd8e3;
  border-color: #8c3352;
  background: #411729;
}

.trait-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
  gap: 8px;
}

.trait-item {
  display: flex;
  flex-direction: column;
  font-size: 0.75rem;
  gap: 4px;
  color: var(--muted);
}

.outputs .status {
  margin-bottom: 10px;
  color: var(--muted);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}

.metric {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  padding: 10px;
}

.metric .title {
  color: var(--muted);
  font-size: 0.8rem;
}

.metric .value {
  font-size: 1.2rem;
  font-weight: 700;
}

.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 10px;
  align-items: stretch;
}

.charts-grid > * {
  min-width: 0;
}

.top-grid {
  margin-bottom: 10px;
}

.chart-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  padding: 6px;
  overflow: hidden;
}

.chart {
  width: 100%;
  height: 320px;
  min-height: 320px;
  max-width: 100%;
}

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr;
  }
}