/* qrbake shared chrome — header, nav, hamburger, footer, base tokens */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#FAFAFA;--surface:#FFFFFF;--surface-alt:#F5F5F5;--surface-alt-2:#EFEFEF;
  --border:#E5E7EB;--border-strong:#D4D4D4;
  --text:#0A0A0A;--text-muted:#6B7280;--text-subtle:#9CA3AF;
  --accent:#F97316;--accent-hover:#EA580C;--accent-soft:#FEF3C7;--accent-ring:rgba(249,115,22,0.2);
  --success:#059669;--danger:#DC2626;
  --radius-lg:14px;--radius:10px;--radius-sm:8px;--radius-xs:6px;
  --shadow-xs:0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm:0 1px 3px rgba(0,0,0,0.06),0 1px 2px rgba(0,0,0,0.04);
  --shadow:0 4px 24px -8px rgba(0,0,0,0.08),0 1px 2px rgba(0,0,0,0.04);
  --font:'Geist',system-ui,-apple-system,sans-serif;
  --font-mono:'Geist Mono',ui-monospace,monospace;
}
html,body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}

.header{height:60px;background:rgba(255,255,255,0.88);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;position:sticky;top:0;z-index:10}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}
.logo-mark{width:28px;height:28px;background:var(--accent);border-radius:7px;display:flex;align-items:center;justify-content:center;color:white}
.logo-mark svg{width:18px;height:18px}
.logo-name{font-weight:600;font-size:15px;letter-spacing:-0.01em}
.nav{display:flex;gap:2px;margin-left:36px;overflow-x:auto}
.nav a{padding:6px 12px;border-radius:6px;text-decoration:none;color:var(--text-muted);font-size:14px;font-weight:500;transition:background 0.15s,color 0.15s;white-space:nowrap}
.nav a:hover{background:var(--surface-alt);color:var(--text)}
.nav a.active{color:var(--text);background:var(--surface-alt)}
.header-actions{margin-left:auto;display:flex;gap:8px;align-items:center}
.header-actions a{padding:7px 14px;border-radius:7px;text-decoration:none;font-size:14px;font-weight:500;color:var(--text-muted);transition:background 0.15s,color 0.15s}
.header-actions a:hover{color:var(--text)}
.header-actions a.cta{background:var(--text);color:var(--surface)}
.header-actions a.cta:hover{background:var(--accent);color:white}
.nav-toggle{display:none;background:none;border:0;padding:8px;margin-left:8px;cursor:pointer;color:var(--text);border-radius:6px;align-items:center;justify-content:center}
.nav-toggle:hover{background:var(--surface-alt)}
.nav-toggle svg{width:22px;height:22px;display:block}

@media(max-width:900px){
  .nav-toggle{display:flex}
  .nav{display:none;position:absolute;top:60px;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm);padding:8px;margin:0;flex-direction:column;gap:0;max-height:calc(100vh - 60px);overflow-y:auto;overflow-x:hidden}
  .nav.open{display:flex}
  .nav a{padding:12px 14px;font-size:15px;border-radius:6px;white-space:normal}
}

.related{max-width:920px;margin:40px auto 24px;padding:0 24px}
.related h2{font-size:18px;font-weight:600;margin-bottom:16px;letter-spacing:-0.01em}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.related-grid a{display:flex;flex-direction:column;gap:4px;padding:14px 16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);text-decoration:none;transition:border-color 0.15s,box-shadow 0.15s}
.related-grid a:hover{border-color:var(--accent);box-shadow:var(--shadow-sm)}
.related-grid a strong{color:var(--text);font-size:14px;font-weight:600}
.related-grid a span{color:var(--text-muted);font-size:13px;line-height:1.4}
@media(max-width:760px){.related-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.related-grid{grid-template-columns:1fr}}

footer{border-top:1px solid var(--border);padding:28px 24px;text-align:center;color:var(--text-subtle);font-size:13px}
footer a{color:var(--text-muted);text-decoration:none;margin:0 10px}
footer a:hover{color:var(--text)}