:root{--brand:#0ea5e9;--ink:#111827;--bg:#f9fafb;--muted:#6b7280;}
*{box-sizing:border-box}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;background:var(--bg);color:var(--ink);margin:0;}
.container{max-width:960px;margin:0 auto;padding:16px;}
.site-header,.site-footer{background:#fff;border-bottom:1px solid #e5e7eb}
.site-footer{border-top:1px solid #e5e7eb;border-bottom:none;margin-top:48px}
.site-title{font-weight:700;text-decoration:none;color:var(--ink);}
nav ul{list-style:none;padding:0;display:flex;gap:12px}
.ccb-form .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-bottom:12px}
.ccb-form label{display:flex;flex-direction:column;font-size:14px;gap:6px}
.ccb-form input,.ccb-form select,.ccb-form textarea{padding:10px;border:1px solid #e5e7eb;border-radius:10px;background:#fff}
.btn-primary{background:var(--brand);color:#fff;border:none;padding:12px 16px;border-radius:12px;font-weight:600;cursor:pointer}
.btn-primary:hover{filter:brightness(0.95)}
.ccb-msg{margin-top:10px;color:var(--muted)}
.entry-title{font-size:28px;margin-bottom:8px}