:root{--background:#f8f8f8;--foreground:#171717}body,html{height:100vh;max-width:100vw;overflow-x:hidden}body{color:var(--foreground);background:var(--background);font-family:Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-ms-overflow-style:-ms-autohiding-scrollbar}body::-ms-scrollbar{width:12px}body::-ms-scrollbar-track{background:#f1f1f1}body::-ms-scrollbar-thumb{background-color:#fc0;border-radius:10px;border:3px solid #f1f1f1}*{box-sizing:border-box;padding:0;margin:0;scrollbar-width:thin;scrollbar-color:#fc0 #f1f1f1}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:12px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background-color:#fc0;border-radius:10px;border:3px solid #f1f1f1}.alert-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(255,0,0,.2);display:flex;justify-content:center;align-items:center;z-index:1000}.alert-content{background-color:#fcc;border:2px solid red;border-radius:8px;padding:30px 40px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.2);color:#333;font-family:Arial,sans-serif;max-width:500px}.alert-icon{font-size:3em;display:block;margin-bottom:10px}.alert-message{font-size:1.8em;font-weight:700;margin:0 0 10px;color:#c00}.alert-subtitle{font-size:1.1em;margin:0;color:#666}