:root{--foreground-rgb:0,0,0;--background-start-rgb:214,219,220;--background-end-rgb:255,255,255;--primary-color:#232f3e;--secondary-color:#f90;--accent-color:#007185;--alert-color:#d00;--success-color:#067d62;--font-base:"Inter",-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body{max-width:100vw;font-family:var(--font-base);color:#333;background:#f4f6f8;overflow-x:hidden}a{color:inherit;text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:2rem}.card{background:#fff;border-radius:8px;margin-bottom:1.5rem;padding:1.5rem;box-shadow:0 2px 5px #0000000d}.btn{cursor:pointer;border:none;border-radius:4px;justify-content:center;align-items:center;padding:.5rem 1rem;font-size:.9rem;font-weight:500;transition:opacity .2s;display:inline-flex}.btn:hover{opacity:.8}.btn-primary{background:var(--primary-color);color:#fff}.btn-secondary{color:#333;background:#fff;border:1px solid #ddd}.btn-alert{background:var(--alert-color);color:#fff}