:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --bg-alt: #edf2f8;
  --panel: #ffffff;
  --panel-alt: #f7f9fc;
  --text: #182235;
  --muted: #5d6b85;
  --line: rgba(24, 34, 53, 0.10);
  --accent: #2563eb;
  --accent-2: #7c3aed;
  --good: #16a34a;
  --warn: #ca8a04;
  --shadow: 0 18px 50px rgba(17, 24, 39, 0.08);
  --radius: 22px;
  --content: 1280px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b1020;
  --bg-alt: #12192a;
  --panel: #121a2b;
  --panel-alt: #162038;
  --text: #e8edf7;
  --muted: #a7b2c9;
  --line: rgba(255,255,255,0.08);
  --accent: #7dd3fc;
  --accent-2: #a78bfa;
  --good: #86efac;
  --warn: #fcd34d;
  --shadow: 0 18px 50px rgba(0,0,0,0.28);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --bg: #0b1020;
    --bg-alt: #12192a;
    --panel: #121a2b;
    --panel-alt: #162038;
    --text: #e8edf7;
    --muted: #a7b2c9;
    --line: rgba(255,255,255,0.08);
    --accent: #7dd3fc;
    --accent-2: #a78bfa;
    --good: #86efac;
    --warn: #fcd34d;
    --shadow: 0 18px 50px rgba(0,0,0,0.28);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--accent) 10%, transparent), transparent 28%),
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent-2) 10%, transparent), transparent 25%),
    linear-gradient(180deg, var(--bg), var(--bg-alt) 42%, var(--bg));
  color: var(--text);
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
.atlas-shell__inner { width: min(calc(100% - 32px), var(--content)); margin: 0 auto; }

.atlas-shell__header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--line);
}
.atlas-shell__header .atlas-shell__inner,
.atlas-shell__footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}
.atlas-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.atlas-brand__mark {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  display: inline-grid;
  place-items: center;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: var(--shadow);
}
.atlas-brand__text { font-size: 1rem; }

.atlas-topnav,
.atlas-footer-nav,
.atlas-header-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}
.atlas-topnav a,
.atlas-footer-nav a { color: var(--muted); }
.atlas-topnav a[aria-current="page"] { color: var(--text); }

.atlas-theme-switcher {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 86%, transparent);
  box-shadow: var(--shadow);
}
.atlas-theme-switcher button {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
}
.atlas-theme-switcher button.is-active {
  background: color-mix(in srgb, var(--accent) 14%, var(--panel));
  color: var(--text);
}

.atlas-hero { padding: 56px 0 28px; }
.atlas-hero__grid,
.atlas-hero__component-grid,
.atlas-two-column,
.metric-grid,
.capability-grid,
.atlas-card-grid {
  display: grid;
  gap: 20px;
}
.atlas-hero__grid { grid-template-columns: 1.4fr 0.9fr; align-items: start; }
.atlas-hero__component-grid { grid-template-columns: 1.3fr 0.7fr; align-items: start; }

.atlas-eyebrow {
  display: inline-block;
  margin: 0 0 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  font-weight: 700;
}
h1, h2, h3 { line-height: 1.08; margin: 0 0 12px; }
h1 { font-size: clamp(2.2rem, 4vw, 4.4rem); }
h2 { font-size: clamp(1.45rem, 2vw, 2.2rem); }
h3 { font-size: 1.1rem; }

.atlas-lead,
.atlas-section__summary,
.metric-card__hint,
.atlas-repo-card p,
.capability-card p,
.content-panel p,
.insight-list,
.signal-list,
.link-list,
.ordered-actions,
.metric-card__label {
  color: var(--muted);
}

.atlas-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.atlas-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
  transition: transform .15s ease, border-color .15s ease;
}
.atlas-button:hover { transform: translateY(-1px); }
.atlas-button--primary {
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 16%, var(--panel)), color-mix(in srgb, var(--accent-2) 16%, var(--panel)));
  color: var(--text);
}
.atlas-button--ghost { background: color-mix(in srgb, var(--panel) 92%, transparent); }

.atlas-section { padding: 26px 0; }
.atlas-section--alt {
  background: color-mix(in srgb, var(--panel-alt) 85%, transparent);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.atlas-section__heading {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 20px;
  align-items: end;
  margin-bottom: 18px;
}

.metric-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.metric-grid--compact { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.metric-card,
.capability-card,
.atlas-repo-card,
.chart-panel,
.content-panel,
.insight-panel,
.atlas-hero__scorecard,
.atlas-score-panel {
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel) 98%, transparent), color-mix(in srgb, var(--panel-alt) 96%, transparent));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.metric-card,
.capability-card,
.atlas-repo-card,
.content-panel,
.insight-panel { padding: 18px; }

.metric-card__value {
  display: block;
  margin-top: 8px;
  font-size: 1.5rem;
  font-weight: 800;
}
.metric-card--xl { padding: 22px; margin-bottom: 16px; }
.metric-card--xl .metric-card__value { font-size: clamp(2rem, 3vw, 3rem); }

.capability-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.atlas-card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.atlas-repo-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.atlas-score-pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--good) 14%, var(--panel));
  color: var(--good);
  font-weight: 700;
}
.atlas-score-pill--muted {
  background: color-mix(in srgb, var(--muted) 8%, var(--panel));
  color: var(--muted);
}

.atlas-tag-list,
.insight-list,
.signal-list,
.link-list,
.ordered-actions {
  margin: 14px 0 0;
  padding-left: 18px;
}
.atlas-tag-list {
  padding-left: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
}
.atlas-tag-list li {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel-alt) 88%, transparent);
  color: var(--muted);
  border: 1px solid var(--line);
}
.atlas-tag-list--hero { margin-top: 18px; }

.chart-panel { padding: 18px; }
.chart-panel--wide { min-height: 360px; }
.chart-panel__header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 18px;
}
.chart-panel__header span { color: var(--muted); }

.chart-placeholder {
  min-height: 280px;
  border-radius: 18px;
  border: 1px dashed var(--line);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel-alt) 80%, transparent), color-mix(in srgb, var(--panel) 96%, transparent)),
    repeating-linear-gradient(
      to top,
      color-mix(in srgb, var(--text) 6%, transparent) 0,
      color-mix(in srgb, var(--text) 6%, transparent) 1px,
      transparent 1px,
      transparent 52px
    );
  display: grid;
  place-items: center;
  overflow: hidden;
}
.chart-bars {
  width: min(92%, 900px);
  height: 220px;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  align-items: end;
  gap: 18px;
}
.chart-bars span {
  display: block;
  border-radius: 16px 16px 6px 6px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 26px color-mix(in srgb, var(--accent) 18%, transparent);
}
.chart-placeholder--radar { position: relative; min-height: 320px; }
.chart-radar-ring {
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--text) 12%, transparent);
  border-radius: 50%;
}
.chart-radar-ring--outer { width: 260px; height: 260px; }
.chart-radar-ring--mid { width: 180px; height: 180px; }
.chart-radar-ring--inner { width: 100px; height: 100px; }
.chart-radar-shape {
  position: absolute;
  width: 180px;
  height: 180px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 28%, transparent), color-mix(in srgb, var(--accent-2) 28%, transparent));
  clip-path: polygon(50% 0%, 88% 28%, 78% 78%, 42% 100%, 10% 70%, 18% 22%);
}
.timeline-placeholder {
  min-height: 110px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  align-items: center;
  position: relative;
}
.timeline-placeholder::before {
  content: "";
  position: absolute;
  left: 5%;
  right: 5%;
  top: 50%;
  height: 2px;
  background: color-mix(in srgb, var(--text) 12%, transparent);
}
.timeline-placeholder__node {
  position: relative;
  z-index: 1;
  width: 26px;
  height: 26px;
  margin: 0 auto;
  border-radius: 50%;
  background: color-mix(in srgb, var(--muted) 40%, var(--panel));
  border: 2px solid var(--line);
}
.timeline-placeholder__node.is-done { background: var(--good); }
.timeline-placeholder__node.is-current {
  background: var(--accent);
  box-shadow: 0 0 0 8px color-mix(in srgb, var(--accent) 16%, transparent);
}

.atlas-score-panel {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 24px;
  align-items: center;
}
.atlas-score-panel__value {
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 900;
  line-height: 1;
}
.atlas-score-panel__meta {
  display: grid;
  gap: 6px;
}
.atlas-score-panel__meta span { color: var(--muted); }

.atlas-shell__footer {
  margin-top: 28px;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-alt) 70%, transparent);
}

@media (max-width: 1100px) {
  .atlas-hero__grid,
  .atlas-hero__component-grid,
  .atlas-section__heading,
  .atlas-two-column {
    grid-template-columns: 1fr;
  }
  .capability-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .atlas-card-grid { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
  .atlas-shell__header .atlas-shell__inner,
  .atlas-shell__footer-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }
}
@media (max-width: 700px) {
  .metric-grid,
  .metric-grid--compact,
  .capability-grid {
    grid-template-columns: 1fr;
  }
  .chart-bars { gap: 10px; }
  .atlas-shell__inner {
    width: min(calc(100% - 20px), var(--content));
  }
}
.grid-stack{margin-top:18px}.grid-stack-item-content{padding:18px;overflow:hidden;background:linear-gradient(180deg,color-mix(in srgb,var(--panel) 98%,transparent),color-mix(in srgb,var(--panel-alt) 96%,transparent));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.grid-stack-item-content .atlas-chart{height:100%;min-height:220px}.atlas-chart{min-height:320px}.atlas-header-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}