#ptc-app {
    display: flex;
    gap: 20px;
    max-width: 1100px;
    margin: 20px auto;
    font-family: sans-serif;
}

.ptc-sidebar {
    width: 280px;
    background: #fff;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
}

.ptc-main {
    flex: 1;
    background: #fff;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
}

.ptc-list {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 20px;
}

.ptc-template-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border: 1px solid #eee;
    margin-bottom: 10px;
    cursor: pointer;
    border-radius: 4px;
}

.ptc-template-item:hover {
    background: #f9f9f9;
    border-color: #0073aa;
}

.ptc-template-item img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
}

.canvas-container {
    border: 1px solid #ccc;
    display: inline-block;
    margin-bottom: 15px;
    background: #f0f0f0;
}

.ptc-actions {
    display: flex;
    gap: 10px;
}

.ptc-actions button, #ptc-btn-remove-bg {
    padding: 8px 16px;
    background: #0073aa;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

.ptc-actions button:hover, #ptc-btn-remove-bg:hover {
    background: #005177;
}

#ptc-upload-status {
    margin: 10px 0;
    font-size: 13px;
    color: #666;
}