*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family:'Segoe UI',sans-serif;
    background:#0f172a;
    color:white;
    display:flex;
    justify-content:center;
    align-items:center;
    height:100vh;
}

.card{
    background:#1e293b;
    padding:30px;
    width:450px;
    border-radius:15px;
    text-align:center;
    box-shadow:0 10px 25px rgba(0,0,0,.35);
    border:1px solid #334155;
}

.subtitle{
    color:#94a3b8;
    margin-top:10px;
}

.drop-zone{
    margin:25px 0;
    padding:35px;
    border:2px dashed #3b82f6;
    border-radius:10px;
    cursor:pointer;
    transition:.3s;
}

.drop-zone:hover{
    background:#1e3a8a;
}

.dragover{
    background:#1e3a8a;
}

button{
    width:100%;
    padding:14px;
    border:none;
    border-radius:8px;
    background:#3b82f6;
    color:white;
    font-size:16px;
    font-weight:bold;
    cursor:pointer;
    transition:.3s;
}

button:hover{
    background:#2563eb;
}

#result{
    margin-top:20px;
    padding:15px;
    border-radius:8px;
    display:none;
    text-align:left;
    line-height:1.6;
}

.clean{
    background:#064e3b;
    color:#6ee7b7;
    border:1px solid #10b981;
}

.malicious{
    background:#7f1d1d;
    color:#fecaca;
    border:1px solid #ef4444;
}

.error{
    background:#78350f;
    color:#fde68a;
    border:1px solid #f59e0b;
}