:root{--bg:#0b0d12;--bg-soft:#12151d;--card:#171b24;--border:#262c38;--text:#e8eaf0;--muted:#9aa3b2;--accent:#5b8cff;--accent-hover:#7aa2ff;--accent-contrast:#ffffff;--radius:14px;--max:1040px}@media (prefers-color-scheme:light){:root{--bg:#f7f8fb;--bg-soft:#ffffff;--card:#ffffff;--border:#e4e7ee;--text:#131720;--muted:#5c6472;--accent:#2f6bff;--accent-hover:#1f5aff;--accent-contrast:#ffffff}}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}.container{max-width:var(--max);margin:0 auto;padding:0 20px}.site-footer,.site-header{border-bottom:1px solid var(--border)}.site-footer{margin-top:64px;border-top:1px solid var(--border);border-bottom:0}.nav{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{color:var(--text);font-size:18px;font-weight:700}.nav-links a{margin-left:20px;color:var(--muted);font-size:14px}.nav-links a:hover{color:var(--text)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border:0;border-radius:10px;background:var(--accent);font-size:15px;font-weight:600;cursor:pointer;transition:background .15s ease}.btn,.btn:hover{color:var(--accent-contrast)}.btn:hover{background:var(--accent-hover)}.btn.secondary{border:1px solid var(--border);background:transparent;color:var(--text)}.btn.secondary:hover{background:var(--bg-soft);color:var(--text)}.btn:disabled{opacity:.6;cursor:not-allowed}.footer-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 28px;padding:28px 0;color:var(--muted);font-size:14px}.footer-links{display:flex;flex-wrap:wrap;gap:4px 10px}.footer-links a{display:inline-flex;min-height:44px;align-items:center;padding:8px 4px;color:var(--muted)}.footer-links a:hover{color:var(--text)}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;border:0;clip:rect(0 0 0 0);white-space:nowrap}@media (max-width:560px){.nav-links a{margin-left:12px;font-size:13px}}