:root{--bg:#ffffff;--fg:#111111;--muted:#555555;--accent:#0a7cc2;--card-bg:#f7f7f8;--border:#c9ccd1}
@media(prefers-color-scheme:dark){:root{--bg:#0e0f11;--fg:#f2f3f5;--muted:#b7bcc4;--accent:#6fb6ff;--card-bg:#16181c;--border:#2a2e35}}
*{box-sizing:border-box}
html{font-size:16px}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";background:var(--bg);color:var(--fg);line-height:1.6}
.wrap{max-width:70ch;margin:2rem auto;padding:0 1rem}
.site-header{padding:.5rem 1rem;border-bottom:1px solid var(--border)}
.site-kicker{margin:0;color:var(--muted);font-size:.875rem}
.breadcrumbs a{color:var(--muted);text-decoration:none}
.breadcrumbs a:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{position:static;width:auto;height:auto;display:inline-block;margin:.5rem 1rem;padding:.25rem .5rem;background:#ffd;border:2px solid #cc0;color:#000}
.lead{font-size:1.1rem}
hr{border:0;border-top:1px solid var(--border);margin:1.25rem 0}
.card{width:6in;height:3.5in;border:2px dashed var(--border);border-radius:6px;background:var(--card-bg);display:flex;flex-direction:column;justify-content:center;align-items:center;gap:.5rem;margin:1rem auto;padding:.5rem;text-align:center}
.card-title{font-weight:800;letter-spacing:.06em;font-size:1.4rem}
.card-sub{font-size:.95rem;color:var(--muted)}
a{color:var(--accent)}
a:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:3px}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}
@media print{@page{size:auto;margin:12mm}body{background:#fff;color:#000}.site-header,.site-footer,.skip-link{display:none!important}.wrap{max-width:none;margin:0;padding:0}.card{box-shadow:none;background:#fff;border:1px dashed #000;color:#000}.card-sub{color:#000}}
.site-footer{padding:1.5rem 1rem;border-top:1px solid var(--border);font-size:.9rem;color:var(--muted)}