*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:'Inter',sans-serif;
}

body{
background:#07111f;
overflow:hidden;
color:white;
}

.bg-glow{
position:fixed;
width:700px;
height:700px;
background:radial-gradient(circle,#2563eb55,transparent 70%);
top:-250px;
right:-250px;
filter:blur(40px);
z-index:-1;
}

.app{
display:flex;
min-height:100vh;
}

.left-side{
width:50%;
padding:60px;
display:flex;
flex-direction:column;
justify-content:center;
}

.logo-box{
display:flex;
align-items:center;
gap:18px;
margin-bottom:40px;
}

.logo-circle{
width:70px;
height:70px;
border-radius:20px;
background:linear-gradient(135deg,#2563eb,#06b6d4);
display:flex;
align-items:center;
justify-content:center;
font-size:24px;
font-weight:800;
}

.logo-box h1{
font-size:34px;
font-weight:800;
}

.logo-box p{
opacity:.7;
margin-top:6px;
}

.hero-card{
background:rgba(255,255,255,0.05);
border:1px solid rgba(255,255,255,0.08);
padding:35px;
border-radius:30px;
backdrop-filter:blur(20px);
max-width:520px;
}

.hero-card h2{
font-size:42px;
line-height:1.2;
margin-bottom:20px;
}

.hero-card p{
opacity:.8;
line-height:1.8;
}

.hero-tags{
display:flex;
flex-wrap:wrap;
gap:12px;
margin-top:25px;
}

.hero-tags span{
background:#0f172a;
padding:12px 18px;
border-radius:999px;
font-size:14px;
border:1px solid rgba(255,255,255,0.08);
}

.right-side{
width:50%;
display:flex;
align-items:center;
justify-content:center;
padding:30px;
}

.auth-card{
width:100%;
max-width:480px;
background:rgba(255,255,255,0.05);
border:1px solid rgba(255,255,255,0.08);
backdrop-filter:blur(30px);
padding:35px;
border-radius:30px;
}

.tab-box{
display:flex;
background:#0f172a;
padding:6px;
border-radius:16px;
margin-bottom:30px;
}

.tab{
flex:1;
padding:14px;
border:none;
background:none;
color:white;
border-radius:12px;
font-size:15px;
cursor:pointer;
}

.tab.active{
background:linear-gradient(135deg,#2563eb,#06b6d4);
font-weight:700;
}

h3{
font-size:34px;
margin-bottom:8px;
}

.sub{
opacity:.7;
margin-bottom:25px;
}

input{
width:100%;
padding:16px;
border:none;
outline:none;
background:#0f172a;
border-radius:16px;
margin-top:14px;
color:white;
font-size:15px;
border:1px solid transparent;
transition:.3s;
}

input:focus{
border-color:#2563eb;
}

.main-btn{
width:100%;
padding:16px;
border:none;
border-radius:16px;
background:linear-gradient(135deg,#2563eb,#06b6d4);
color:white;
font-size:16px;
font-weight:700;
margin-top:20px;
cursor:pointer;
transition:.3s;
}

.main-btn:hover{
transform:translateY(-2px);
}

.text-btn{
background:none;
border:none;
color:#60a5fa;
margin-top:18px;
cursor:pointer;
}

.back-btn{
background:#0f172a;
border:none;
padding:16px;
width:100%;
margin-top:16px;
border-radius:16px;
color:white;
cursor:pointer;
}

.hidden{
display:none;
}

#usernameStatus{
margin-top:10px;
font-size:14px;
}

@media(max-width:900px){

body{
overflow:auto;
}

.app{
flex-direction:column;
}

.left-side{
width:100%;
padding:30px;
}

.right-side{
width:100%;
padding:20px;
}

.hero-card h2{
font-size:32px;
}

}