@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");:root{--primary-color:#ff0000;--text-color:#333333;--background-color:#ffffff;--input-border:#fffc;--input-focus:#0070f3;--error-color:#ff3333;--success-color:#28a745}.dark-mode{--primary-color:#ff3333;--text-color:#f0f0f0;--background-color:#121212;--input-border:#444444;--input-focus:#3498db}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;color:var(--text-color);background-color:var(--background-color);transition:background-color .3s,color .3s}.container{width:90%;max-width:1200px;margin:0 auto}button,input{font-family:Inter,sans-serif}.btn{background-color:var(--primary-color);color:white;border:none;border-radius:10px;padding:10px 20px;font-size:14px;cursor:pointer;transition:background-color .3s}.btn:hover{background-color:#cc0000}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}