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

body{
    background:#f4f7fc;
}

.admin-header{
    background:#0b1f5f;
    color:#fff;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:15px 30px;
}

.admin-logo{
    display:flex;
    align-items:center;
    gap:15px;
}

.admin-logo img{
    width:60px;
    height:60px;
    border-radius:50%;
}

.admin-logo h2{
    font-size:22px;
}

.admin-logo p{
    font-size:14px;
    opacity:.9;
}

.back-btn{
    background:#fff;
    color:#0b1f5f;
    text-decoration:none;
    padding:10px 18px;
    border-radius:8px;
    font-weight:bold;
    transition:.3s;
}

.back-btn:hover{
    background:#e9ecef;
}

.page-title{
    background:linear-gradient(135deg,#0d47a1,#1976d2);
    color:#fff;
    text-align:center;
    padding:40px 20px;
}

.page-title h1{
    font-size:34px;
    margin-bottom:8px;
}

.settings-box{
    max-width:700px;
    margin:35px auto;
    background:#fff;
    padding:30px;
    border-radius:15px;
    box-shadow:0 5px 20px rgba(0,0,0,.12);
}

.settings-box label{
    display:block;
    margin-top:18px;
    margin-bottom:8px;
    font-weight:600;
    color:#333;
}

.settings-box input{
    width:100%;
    padding:12px;
    border:1px solid #ccc;
    border-radius:8px;
    font-size:15px;
}

.settings-box input:focus{
    outline:none;
    border-color:#1976d2;
}

.settings-box button{
    width:100%;
    margin-top:25px;
    padding:14px;
    border:none;
    border-radius:8px;
    background:#0d6efd;
    color:#fff;
    font-size:17px;
    cursor:pointer;
    transition:.3s;
}

.settings-box button:hover{
    background:#0b5ed7;
}

@media(max-width:768px){

.admin-header{
    flex-direction:column;
    gap:15px;
    text-align:center;
}

.admin-logo{
    flex-direction:column;
}

.page-title h1{
    font-size:28px;
}

.settings-box{
    margin:20px;
    padding:20px;
}

}