:root {
  --bg: #0d1117;
  --fg: #e6edf3;
  --fg-muted: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --accent-muted: #388bfd;
  --ok: #3fb950;
  --warn: #d29922;
  --crit: #f85149;
  --border: #30363d;
  --surface: #161b22;
  --surface-inset: #21262d;
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;
  --radius-panel: 12px;
  --radius-inner: 8px;
}

* {
  box-sizing: border-box;
}

body {
  background-color: var(--bg);
  color: var(--fg);
  margin: 0;
  padding: 1.5rem clamp(1rem, 4vw, 2rem) 3rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
}

.apex-main {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: clamp(2rem, 12vh, 6rem);
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-panel);
  padding: 1.35rem 1.4rem;
  width: 100%;
  max-width: 22rem;
}

.apex-link {
  display: block;
  text-align: center;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-inner);
  border: 1px solid var(--border);
  background: var(--surface-inset);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.apex-link:hover {
  color: var(--accent-hover);
  border-color: var(--accent);
}

.apex-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-inner);
}

@media (prefers-reduced-motion: reduce) {
  .apex-link {
    transition: none;
  }
}