body{
    margin:0;
    font-family:'Segoe UI', sans-serif;
    background:linear-gradient(135deg,#001f4d,#003b8e);
}

/* MAIN CONTAINER */
.container{
    width:90%;
    margin:35px auto;
    background:#fff;
    border-radius:25px;
    padding:25px;
    box-shadow:0 10px 35px rgba(0,0,0,0.4);
}

/* HEADER */
.header{
    display:flex;
    justify-content:space-between;
    align-items:center;
    background:linear-gradient(to right,#1cc95b,#e53935);
    color:#fff;
    padding:15px 25px;
    border-radius:15px;
    font-size:24px;
    font-weight:bold;
    margin-bottom:25px;
    box-shadow:0 5px 20px rgba(0,0,0,0.2);
}

/* HOME BUTTON */
.home-btn{
    background:#fff;
    color:#222;
    text-decoration:none;
    padding:10px 18px;
    border-radius:25px;
    font-size:15px;
    font-weight:bold;
    transition:0.3s;
}

.home-btn:hover{
    background:#f1f1f1;
    transform:scale(1.05);
}

/* ROW */
.row{
    display:flex;
    gap:25px;
    flex-wrap:wrap;
}

/* BOX */
.box{
    flex:1;
    min-width:320px;
    background:#f9fbff;
    border-radius:20px;
    padding:25px;
    text-align:center;
    border:1px solid #ddd;
    transition:0.3s;
    box-shadow:0 5px 20px rgba(0,0,0,0.1);
}

.box:hover{
    transform:translateY(-5px);
}

/* TITLE */
.box h3{
    margin-bottom:20px;
    color:#0a2d62;
    font-size:28px;
}

/* UPLOAD BOX */
.upload-box{
    border:3px dashed #bbb;
    padding:35px 20px;
    border-radius:15px;
    cursor:pointer;
    transition:0.3s;
    background:#fafafa;
    font-size:20px;
    color:#555;
}

.upload-box:hover{
    border-color:#0d6efd;
    background:#eef5ff;
    color:#0d6efd;
}

/* INPUT GROUP */
.input-group{
    display:flex;
    justify-content:center;
    gap:10px;
    margin-top:20px;
}

.input-group input{
    width:85px;
    padding:12px;
    border:none;
    border-radius:10px;
    background:#0d2b66;
    color:#fff;
    text-align:center;
    font-size:18px;
    font-weight:bold;
    outline:none;
}

/* SMALL TEXT */
small{
    display:block;
    margin-top:10px;
    color:#666;
    font-size:15px;
}

/* IMAGE */
img{
    margin-top:15px;
    border-radius:12px;
    border:2px solid #eee;
    padding:5px;
    background:#fff;
    max-width:100%;
}

/* BUTTON */
button{
    margin-top:20px;
    border:none;
    padding:12px 28px;
    border-radius:30px;
    background:linear-gradient(to right,#23d18b,#ff5c8a);
    color:#fff;
    font-size:17px;
    font-weight:bold;
    cursor:pointer;
    transition:0.3s;
    box-shadow:0 5px 15px rgba(0,0,0,0.2);
}

button:hover{
    transform:scale(1.05);
}

/* MOBILE */
@media(max-width:768px){

    .container{
        width:95%;
        padding:15px;
    }

    .header{
        flex-direction:column;
        gap:10px;
        text-align:center;
        font-size:20px;
    }

    .row{
        flex-direction:column;
    }

    .box{
        min-width:100%;
        padding:18px;
    }

    .upload-box{
        padding:25px;
        font-size:16px;
    }

    .input-group{
        flex-wrap:wrap;
    }

    .input-group input{
        width:70px;
        font-size:16px;
    }

    button{
        width:100%;
    }
}