:root{--primary:#007bff;--primary-dark:#0056b3;--background:linear-gradient(120deg, #f0f4f8, #d9e2ec);--text-main:#333;--text-light:#666;--border-color:#cfd8dc;--card-bg:#fff;--shadow:0 8px 20px #00000014;--shadow-hover:0 12px 28px #0000001f}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--background);min-height:100vh;color:var(--text-main);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6}