.cs-alt-tool {
  
    padding: 20px;
    background: #fff;
 
    border-radius: 8px;
}

.cs-alt-upload-label {
    display: inline-block;
    padding: 10px 20px;
    background: #f0f0f0;
    border: 1px dashed #bbb;
    border-radius: 4px;
    cursor: pointer;
    transition: background .2s;
}
.cs-alt-upload-label:hover {
    background: #e8e8e8;
}

.cs-alt-preview {
    margin-top: 15px;
}

.cs-alt-btn {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 24px;
    background: #0073aa;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background .2s;
}
.cs-alt-btn:hover:not(:disabled) {
    background: #00517e;
}
.cs-alt-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}
.cs-alt-btn-small {
    padding: 6px 14px;
    font-size: 13px;
}

.cs-alt-result-box {
    margin-top: 15px;
    padding: 15px;
    background: #f9f9f9;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
}

.cs-alt-loading {
    margin-top: 15px;
    color: #0073aa;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cs-alt-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 3px solid #e0e0e0;
    border-top-color: #0073aa;
    border-radius: 50%;
    animation: cs-alt-spin 0.8s linear infinite;
}
@keyframes cs-alt-spin {
    to { transform: rotate(360deg); }
}

.cs-alt-error {
    margin-top: 15px;
    padding: 10px 15px;
    background: #fdf0f0;
    border: 1px solid #f5c6c6;
    color: #c0392b;
    border-radius: 4px;
}