:root{
    --st_primary:#20A9DF;
    --st_secondary:#2ED2D4;
    --st_success:#22c55e;
    --st_danger:#ef4444;
    --st_text:#1f2937;
    --st_border:#dbe3ee;
    --st_bg:#f8fafc;
}

.st-wrapper{
    max-width:100%;
    margin:5px auto;
    padding:0px;
}

.st-card{
    background:#fff;
    border-radius:20px;
    overflow:hidden;
    box-shadow:0 15px 40px rgba(0,0,0,.08);
}

.st-header{
    padding:15px 25px;
    text-align:left;    
    background:linear-gradient(
        135deg,
        var(--st_primary),
        var(--st_secondary)
    );
}

.st-icon{
    display:none;
}

.st-header h2{
    margin:0;
    font-size:20px;
    color:#fff;
}

.st-header p{
    margin:3px 0 0;
    font-size:12px;
    color:rgba(255,255,255,.85);
}

.support-ticket-form{
    padding:40px;
}

.st-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:20px;
}

.full-width{
    grid-column:1/-1;
}

.form-group label{
    display:block;
    font-weight:600;
    margin-bottom:8px;
    color:var(--st_text);
}

.form-group input,
.form-group textarea{
    width:100%;
    border:2px solid var(--st_border);
    border-radius:12px;
    padding:14px 16px;
    font-size:15px;
    transition:.3s;
    background:#fff;
}

.form-group input:focus,
.form-group textarea:focus{
    border-color:var(--st_primary);
    box-shadow:0 0 0 4px rgba(37,99,235,.12);
    outline:none;
}

.form-group textarea{
    resize:vertical;
    min-height:150px;
}

.form-group input.error, .form-group textarea.error {
    border-color: var(--st_danger);
}

.upload-area{
    position:relative;
    border:2px dashed #bcd0f7;
    border-radius:14px;
    background:#f8fbff;
    overflow:hidden;
    cursor:pointer;
}

.upload-area:hover{
    border-color:var(--st_primary);
    background:#f1f7ff;
}

.upload-area input{
    position:absolute;
    inset:0;
    opacity:0;
    cursor:pointer;
}

.upload-area input[type="file"]{
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    opacity:0;
    cursor:pointer;
    z-index:2;
}

.upload-content{
    pointer-events:none;
    padding:40px 20px;
    text-align:center;
}

.upload-icon{
    font-size:40px;
    display:block;
    margin-bottom:10px;
}

.upload-content h4{
    margin:0;
}

.upload-content p{
    margin:5px 0;
    color:#6b7280;
}

.upload-content small{
    color:#9ca3af;
}

.file-info{
    margin-top:10px;
    font-weight:600;
    color:var(--st_primary);
}

.field-error{
    color:var(--st_danger);
    font-size:13px;
    margin-top:6px;
}

.selected-file{
    display:flex;
    justify-content:space-between;
    align-items:center;

    background:#f8fafc;
    border:1px solid #e2e8f0;
    border-radius:12px;

    padding:15px;
}

.selected-file-details{
    display:flex;
    align-items:center;
    gap:12px;
}

.file-icon{
    width:40px;
    height:40px;

    display:flex;
    align-items:center;
    justify-content:center;

    background:#eef6ff;
    color:#0d6efd;

    border-radius:10px;
}

.file-name{
    font-weight:600;
    color:#1e293b;
}

.file-size{
    color:#64748b;
    font-size:13px;
}

.remove-file-btn{
    width:36px;
    height:36px;
    border: 0;
    color:#ef4444;
    background: none;
    cursor:pointer;
    transition:.3s;
}

.remove-file-btn:hover{
    color:#dc2626;
    transform:scale(1.08);
}

.selected-file-error{
    color:#dc3545;
    font-weight:500;
}

.submit-btn{
    width:100%;
    margin-top:30px;
    border:none;
    border-radius:12px;
    padding:16px;
    color:#fff;
    font-size:16px;
    font-weight:700;
    cursor:pointer;
    background:linear-gradient(
        135deg,
        var(--st_primary),
        var(--st_secondary)
    );
    transition:.3s;
}

.submit-btn:hover{
    transform:translateY(-2px);
    box-shadow:0 10px 20px rgba(37,99,235,.25);
}

.form-message{
    margin-top:20px;
}

.success-message{
    text-align:center;
    padding:60px 30px;
}

.success-icon{
    width:90px;
    height:90px;
    border-radius:50%;
    background:var(--st_success);
    color:#fff;
    display:flex;
    justify-content:center;
    align-items:center;
    font-size:40px;
    margin:auto;
}

.ticket-code-display{
    margin-top:20px;
    background:#f8fafc;
    border-radius:12px;
    padding:20px;
}

.ticket-code-display span{
    font-size:32px;
    color:var(--st_primary);
    font-weight:700;
    letter-spacing:3px;
}

#processing-overlay{
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.65);
    backdrop-filter:blur(4px);
    z-index:99999;

    display:flex;
    align-items:center;
    justify-content:center;
}

#processing-overlay .processing-card{
    width:100%;
    max-width:450px;
    background:#fff;
    border-radius:20px;
    padding:35px;
    text-align:center;
    box-shadow:0 20px 60px rgba(0,0,0,.25);
}

.processing-spinner{
    width:60px;
    height:60px;
    margin:0 auto 20px;
    border:5px solid #e9ecef;
    border-top:5px solid var(--bs-primary);
    border-radius:50%;
    animation:spin 1s linear infinite;
}

#processing-overlay h4{
    margin-bottom:10px;
    font-weight:700;
}

#processing-overlay p{
    margin:0;
    color:#6c757d;
}

@keyframes spin{
    from{
        transform:rotate(0deg);
    }
    to{
        transform:rotate(360deg);
    }
}

@media(max-width:768px){

    .st-grid{
        grid-template-columns:1fr;
    }

    .full-width{
        grid-column:auto;
    }

    .support-ticket-form{
        padding:25px;
    }

    .st-header{
        padding:30px 20px;
    }

    .st-header h2{
        font-size:24px;
    }
}