.snap-qr-wrap {
    display: flex;
    flex-wrap: wrap;
    max-width: 950px;
    margin: 32px auto;
    background: #f6f8fa;
    border-radius: 13px;
    box-shadow: 0 4px 24px #0001;
}
.snap-qr-sidebar {
    background: #f6f8fa;
    flex: 1 1 380px;
    max-width: 400px;
    padding: 34px 28px 34px 34px;
    border-radius: 13px 0 0 13px;
}
.snap-qr-tabbar {
    margin-bottom: 25px;
    font-size: 1.11em;
}
.snap-qr-tab {
    font-weight: bold;
    color: #2271b1;
    background: #e7f0fa;
    border-radius: 8px 8px 0 0;
    padding: 7px 18px;
    margin-right: 6px;
    display: inline-block;
    cursor: pointer;
}
.snap-qr-tab.active {
    background: #fff;
    color: #1b2936;
}
.snap-qr-section {
    margin-bottom: 18px;
}
.snap-qr-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}
.snap-qr-input {
    width: 99%;
    padding: 10px;
    border-radius: 7px;
    border: 1px solid #bbc7d2;
    font-size: 1.09em;
}
.snap-qr-row {
    display: flex;
    gap: 18px;
    align-items: center;
}
.snap-qr-section label {
    font-weight: 500;
}
.snap-qr-buttons {
    display: flex;
    gap: 16px;
    margin-top: 12px;
}
.snap-qr-btn-green {
    background: #5bcb5e;
    color: #fff;
    border: none;
    border-radius: 7px;
    padding: 10px 22px;
    font-size: 1.03em;
    cursor: pointer;
    transition: background 0.16s;
}
.snap-qr-btn-green:hover { background: #48b44e; }
.snap-qr-btn-blue {
    background: #4ec6f9;
    color: #fff;
    border: none;
    border-radius: 7px;
    padding: 10px 22px;
    font-size: 1.03em;
    cursor: pointer;
    transition: background 0.16s;
}
.snap-qr-btn-blue:disabled { background: #b7dae8; color:#e4eef2; cursor:not-allowed;}
.snap-qr-main {
    flex: 1 1 440px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 330px;
    background: #fff;
    border-radius: 0 13px 13px 0;
    padding: 44px 20px;
}
.snap-qr-preview {
    min-width: 320px;
    min-height: 320px;
    max-width: 340px;
    max-height: 340px;
    background: #fff;
    border-radius: 18px;
    border: 1.5px solid #e3e3e3;
    box-shadow: 0 2px 10px #0002;
    display: flex;
    align-items: center;
    justify-content: center;
}
#snap-qr-quality-label {
    margin-left: 14px;
    font-weight: 600;
}