*{box-sizing:border-box;font-family:Montserrat,sans-serif}body{margin:0;background:#000;color:#fff}.center{min-height:100vh;display:flex;align-items:center;justify-content:center}.card{background:#ffffff0d;padding:40px;border-radius:16px;width:320px;text-align:center}input{width:100%;padding:12px;margin-bottom:12px;border-radius:8px;border:none;outline:none}button{width:100%;padding:12px;border-radius:8px;border:none;cursor:pointer;font-weight:700}.error{color:#ff6b6b;margin-top:10px}.header{padding:18px 40px;display:flex;justify-content:space-between;align-items:center;background:#0b0b0b;cursor:default}.header a{color:#fff;margin-left:20px;text-decoration:none;font-size:14px}.header a:hover{opacity:.8}.container{padding:40px}.profile-card{background:#ffffff0d;padding:24px;border-radius:12px;margin-top:20px}