:root{--bg:#fff;--muted:#6b7280;--border:#e5e7eb;--accent:#2563eb;--danger:#dc2626;--success:#16a34a;--surface:#f8fafc}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:var(--bg);color:#111827;line-height:1.6}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3}button,input,select,textarea{font-family:inherit}.flex{display:flex}.gap-8{gap:8px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{transform:translateY(-10px);opacity:0}to{transform:translateY(0);opacity:1}}.fade-in{animation:fadeIn .2s ease-in-out}.slide-in{animation:slideIn .2s ease-in-out}