body{
    font-family:Arial, sans-serif;
    background:#f4f4f4;
    margin:0;
}

.container{
    max-width:700px;
    margin:auto;
    padding:30px;
    background:white;
}

h1{
    text-align:center;
    margin-top:0;
}

.intro{
    text-align:center;
    margin-bottom:20px;
}

.step{
    margin-top:20px;
}

#step2,
#step3,
#step4,
#step5{
    display:none;
}

label{
    display:block;
    margin-top:15px;
    font-weight:bold;
}

input,
select{
    width:100%;
    padding:10px;
    margin-top:5px;
    box-sizing:border-box;
}

button{
    margin-top:20px;
    width:100%;
    padding:15px;
    background:#007bff;
    color:white;
    border:none;
    font-size:16px;
    cursor:pointer;
}

button:hover{
    background:#0056b3;
}

.success{
    background:#d4edda;
    padding:15px;
    margin-bottom:20px;
    text-align:center;
    border-radius:6px;
}

.error{
    background:#ffecec;
    padding:15px;
    margin-bottom:20px;
    text-align:center;
    border-radius:6px;
    border:1px solid #ffb3b3;
}

@media (max-width:768px){
    .container{
        width:95%;
        padding:20px;
    }
}

.progress-wrapper{
    margin-bottom:30px;
}

.progress-text{
    text-align:center;
    margin-bottom:8px;
    font-weight:bold;
}

.progress-bar{
    width:100%;
    height:8px;
    background:#ddd;
    border-radius:5px;
    overflow:hidden;
}

.progress-fill{
    height:100%;
    width:20%;
    background:#28a745;
    transition:0.3s;
}

.alert-box{
    background:#fff3cd;
    border:1px solid #ffeeba;
    padding:16px;
    border-radius:8px;
    margin:18px 0;
}

.alert-title{
    font-weight:700;
    margin-bottom:10px;
}

.alert-text{
    margin:0 0 12px 0;
    line-height:1.45;
}

.example{
    background:#fff;
    border:1px solid #eee;
    padding:12px;
    border-radius:8px;
}

.example-title{
    font-weight:700;
    margin-bottom:8px;
}

.example-row{
    display:flex;
    justify-content:space-between;
    padding:4px 0;
}

.example-diff{
    margin-top:10px;
    font-weight:700;
}

.alert-cta{
    margin-top:10px;
    font-weight:700;
}

.signature-wrap{
    text-align:center;
    margin-top:10px;
}

.signature-preview{
    display:inline-block;
    border:1px solid #ddd;
    border-radius:8px;
    padding:12px;
    background:#fafafa;
}

.signature-preview img{
    max-width:100%;
    height:auto;
    display:block;
    margin:0 auto;
}

.small-note{
    font-size:13px;
    color:#666;
    margin-top:8px;
    line-height:1.35;
}

.pay-box{
    background:#f8f9fa;
    border:1px solid #e9ecef;
    padding:14px;
    border-radius:8px;
    margin-top:12px;
}

.pay-row{
    display:flex;
    justify-content:space-between;
    gap:10px;
    padding:6px 0;
    border-bottom:1px dashed #ddd;
}

.pay-row:last-child{
    border-bottom:none;
}

.qr-wrap{
    text-align:center;
    margin-top:12px;
}

.qr-wrap img{
    max-width:240px;
    height:auto;
}

.checkbox-row{
    display:flex;
    gap:10px;
    align-items:flex-start;
    margin-top:12px;
}

.checkbox-row input{
    width:auto;
    margin-top:4px;
}