#sp-modal {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6);
    z-index: 99999;
    align-items: center;
    justify-content: center;
}

#sp-modal-inner {
    background: #fff;
    padding: 24px;
    border-radius: 8px;
    max-width: 560px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

#sp-close-btn {
    position: absolute;
    top: 10px;
    right: 14px;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    line-height: 1;
}

#sp-file-input {
    margin: 12px 0;
}

#sp-file-status {
    font-size: 14px;
    min-height: 20px;
}

#sp-preview-wrap {
    margin: 16px 0;
    border: 1px solid #ddd;
}

#sp-confirm-btn {
    margin-top: 12px;
}

#sp-open-btn {
    margin-bottom: 16px;
}