:root{--bg: #0f1417;--bg-soft: #172025;--card: #1c262c;--border: #2a3740;--text: #e6edf2;--muted: #93a4b0;--accent: #3ea863;--accent-2: #57a7e6;--gold: #e0b64c;--danger: #d96c5f;--radius: 12px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6}a{color:var(--accent-2);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1080px;margin:0 auto;padding:0 20px}.site-header{border-bottom:1px solid var(--border);background:var(--bg-soft);position:sticky;top:0;z-index:10}.nav{display:flex;align-items:center;justify-content:space-between;height:64px;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:10px;color:var(--text)}.brand:hover{text-decoration:none}.brand-badge{background:var(--accent);color:#06120a;font-weight:800;padding:4px 8px;border-radius:8px;font-size:14px}.brand-icon{border-radius:6px;display:block}.brand-name{font-size:20px;font-weight:700}.nav-links{display:flex;gap:20px;list-style:none;margin:0;padding:0}.nav-links a{color:var(--muted);font-weight:500}.nav-links a:hover{color:var(--text)}main.container{padding-top:32px;padding-bottom:48px}.site-footer{border-top:1px solid var(--border);background:var(--bg-soft);padding:24px 0;color:var(--muted);font-size:14px}.muted{color:var(--muted)}.hero{text-align:center;padding:48px 0 32px}.hero h1{font-size:44px;margin:0 0 12px}.hero p{color:var(--muted);font-size:18px;max-width:640px;margin:0 auto}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.card h3,.card h2{margin-top:0}.card .tag-badges{margin-top:12px}.pill{display:inline-block;background:#3ea86326;color:var(--accent);border:1px solid rgba(62,168,99,.35);padding:2px 8px;border-radius:999px;font-size:12px;margin-right:6px;margin-bottom:4px}.pill.blue{background:#57a7e626;color:var(--accent-2);border-color:#57a7e659}.pill.gold{background:#e0b64c26;color:var(--gold);border-color:#e0b64c59}.pill.gray{background:#93a4b01f;color:var(--muted);border-color:#93a4b04d}.btn{display:inline-block;background:var(--accent);color:#06120a;font-weight:600;padding:8px 16px;border-radius:8px;border:none;cursor:pointer}.btn:hover{background:#48bb6f;text-decoration:none}.btn.secondary{background:var(--accent-2);color:#061a2e}.btn.ghost{background:transparent;color:var(--accent-2);border:1px solid var(--accent-2)}.meta{color:var(--muted);font-size:14px}.page-title{margin-bottom:8px}.lead{color:var(--muted);margin-top:0}.article{max-width:760px}.article h2{margin-top:28px;color:var(--text)}.divider{border:none;border-top:1px solid var(--border);margin:24px 0}.placeholder-box{height:140px;border-radius:8px;background:linear-gradient(135deg,#24323c,#1a242b);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--muted);margin-bottom:12px;font-size:13px}.breadcrumbs{color:var(--muted);font-size:14px;margin-bottom:16px}.breadcrumbs a{color:var(--muted)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}@media (max-width: 640px){.two-col{grid-template-columns:1fr}.nav-links{gap:12px;font-size:14px}.hero h1{font-size:32px}}.tool-shell{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-top:16px}.field{margin-bottom:12px}.field label{display:block;color:var(--muted);font-size:14px;margin-bottom:6px}.field input,.field select{width:100%;background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:8px 12px;font-size:15px}.tool-output{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:16px;margin-top:16px;font-size:15px}.tool-output div{margin-bottom:8px}table{border-collapse:collapse;width:100%}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;font-size:14px}.kbd{background:var(--bg-soft);border:1px solid var(--border);border-radius:4px;padding:1px 6px;font-family:ui-monospace,monospace;font-size:12px}