/* Chess Coach brand tokens, mirrored from studio/src/brands/chess.ts (source: the app's CoachTokens.swift). */
@font-face { font-family: "Archivo"; src: url("/fonts/Archivo-Regular.ttf") format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Archivo"; src: url("/fonts/Archivo-SemiBold.ttf") format("truetype"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Archivo"; src: url("/fonts/Archivo-Bold.ttf") format("truetype"); font-weight: 700; font-display: swap; }

:root {
  --canvas: #0F1319; --text: #F5F7FA; --muted: #9AA3B2; --blue: #2C6BFF;
  --good: #3FB57E; --mistake: #E0893D; --line: #232A35; --card: #161C25;
}
* { box-sizing: border-box; }
html { color-scheme: dark; }
body { margin: 0; background: var(--canvas); color: var(--text); font: 17px/1.6 "Archivo", ui-sans-serif, system-ui, -apple-system, sans-serif; }
main, header, footer { max-width: 44rem; margin: 0 auto; padding: 0 1.25rem; }
header { padding-top: 2rem; }
header a { display: inline-flex; align-items: center; gap: 0.6rem; color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: -0.01em; }
header img { width: 2rem; height: 2rem; border-radius: 0.5rem; }
a { color: #6F9BFF; }
h1 { font-size: 2.4rem; line-height: 1.15; letter-spacing: -0.025em; font-weight: 700; margin: 3rem 0 1rem; }
h2 { font-size: 1.2rem; font-weight: 600; margin: 2.5rem 0 0.5rem; }
h3 { font-size: 1.02rem; font-weight: 600; margin: 1.75rem 0 0.25rem; }
p, li, dd { color: #D5DAE2; }
.lead { font-size: 1.18rem; color: var(--text); }
.meta { color: var(--muted); font-size: 0.9rem; }

dl { display: grid; grid-template-columns: 12rem 1fr; gap: 0.35rem 1rem; }
dt { font-weight: 600; }
dd { margin: 0; }
table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
th, td { text-align: left; vertical-align: top; padding: 0.5rem 0.6rem 0.5rem 0; border-bottom: 1px solid var(--line); }
th { color: var(--text); font-weight: 600; }
td { color: #D5DAE2; }

footer { padding: 3.5rem 1.25rem 2.5rem; color: var(--muted); font-size: 0.9rem; }
footer a { color: var(--muted); margin-right: 1rem; }
footer p { color: var(--muted); }
footer p a { margin-right: 0; }
@media (max-width: 34rem) { h1 { font-size: 2rem; } dl { grid-template-columns: 1fr; } dt { margin-top: 0.6rem; } table { font-size: 0.88rem; } }