/* Spine's dark theme (docs/design-tokens.md). */
:root {
  --background: #0e1116;
  --surface: #161b22;
  --border: #2a3140;
  --text-strong: #f0f3f6;
  --text: #e6eaf0;
  --text-secondary: #9aa4b2;
  --accent: #5eead4;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 3rem 1rem 4rem;
}

h1, h2 { color: var(--text-strong); line-height: 1.25; }
h1 { font-size: 2rem; margin: 0 0 0.25rem; }
h2 { font-size: 1.2rem; margin: 2.25rem 0 0.5rem; }

a { color: var(--accent); }

.meta { color: var(--text-secondary); margin: 0 0 2rem; }

nav { margin-bottom: 2.5rem; }
nav a { margin-right: 1.25rem; }

table { border-collapse: collapse; width: 100%; margin: 0.5rem 0; }
th, td { border: 1px solid var(--border); padding: 0.5rem 0.75rem; text-align: left; vertical-align: top; }
th { background: var(--surface); color: var(--text-strong); font-weight: 600; }

.todo { color: #ffa657; }