:root{color-scheme:light dark}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.container{max-width:480px;margin:40px auto;padding:0 16px}.header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.header a{margin-right:12px;text-decoration:none;color:#0b68ff}.main{display:grid;gap:16px}.card{display:grid;gap:8px;padding:16px;border:1px solid #3333;border-radius:12px;background:#fff2}input{padding:10px 12px;border-radius:8px;border:1px solid #3333}button{margin-top:8px;padding:10px 14px;border-radius:8px;border:0;background:#0b68ff;color:#fff;cursor:pointer}button[disabled]{opacity:.7;cursor:not-allowed}.error{color:#e5484d}.footer{color:#8282a4;display:flex;position:absolute;bottom:0;align-items:center;justify-content:center;margin-bottom:16px;left:0;right:0;flex-direction:column}