:root{--gh-bg-primary:#0d1117;--gh-bg-secondary:#161b22;--gh-bg-tertiary:#21262d;--gh-bg-overlay:#30363d;--gh-border:#30363d;--gh-border-muted:#21262d;--gh-text-primary:#e6edf3;--gh-text-secondary:#8b949e;--gh-text-muted:#6e7681;--gh-text-link:#58a6ff;--gh-accent:#1f6feb;--gh-accent-hover:#388bfd;--gh-accent-subtle:#1f6feb26;--gh-green-1:#0e4429;--gh-green-2:#006d32;--gh-green-3:#26a641;--gh-green-4:#39d353;--gh-yellow:#e3b341;--gh-orange:#f0883e;--gh-red:#f85149;--gh-purple:#bc8cff;--gh-pink:#f778ba;--gh-teal:#39c5cf;--gh-success:#3fb950;--gh-warning:#d29922;--gh-danger:#f85149;--gh-font:-apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;--gh-font-mono:"SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;--gh-radius:6px;--gh-radius-lg:12px;--gh-shadow:0 0 0 1px var(--gh-border);--gh-shadow-md:0 3px 6px #0006;--gh-shadow-lg:0 8px 24px #00000080}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--gh-bg-primary);color:var(--gh-text-primary);font-family:var(--gh-font);min-height:100vh;font-size:14px;line-height:1.5}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--gh-bg-primary)}::-webkit-scrollbar-thumb{background:var(--gh-bg-overlay);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--gh-text-muted)}.gh-card{background:var(--gh-bg-secondary);border:1px solid var(--gh-border);border-radius:var(--gh-radius);padding:16px}.gh-btn{background:var(--gh-bg-tertiary);color:var(--gh-text-primary);border:1px solid var(--gh-border);border-radius:var(--gh-radius);font-family:var(--gh-font);cursor:pointer;align-items:center;gap:6px;padding:5px 16px;font-size:14px;font-weight:500;text-decoration:none;transition:background .2s,border-color .2s;display:inline-flex}.gh-btn:hover{background:var(--gh-bg-overlay);border-color:var(--gh-text-secondary)}.gh-btn-primary{background:var(--gh-accent);border-color:var(--gh-accent);color:#fff}.gh-btn-primary:hover{background:var(--gh-accent-hover);border-color:var(--gh-accent-hover)}.gh-input{background:var(--gh-bg-primary);width:100%;color:var(--gh-text-primary);border:1px solid var(--gh-border);border-radius:var(--gh-radius);font-family:var(--gh-font);outline:none;padding:5px 12px;font-size:14px;transition:border-color .2s,box-shadow .2s}.gh-input:focus{border-color:var(--gh-accent);box-shadow:0 0 0 3px var(--gh-accent-subtle)}.gh-label{color:var(--gh-text-primary);margin-bottom:6px;font-size:14px;font-weight:600;display:block}.gh-text-muted{color:var(--gh-text-secondary);font-size:12px}