/* Image Upload Dialog Styles */
.iu-dialog {
    display: none;
}

.iu-dialog.active {
    display: block;
}

.iu-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.iu-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--color-bg, #fff);
    border-radius: 0.5rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.3);
    max-width: 90%;
    width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1001;
}

.iu-modal .modal-header {
    padding: var(--spacing-3);
    border-bottom: 1px solid var(--color-border, #dee2e6);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.iu-modal .modal-header h5 {
    margin: 0;
}

.iu-modal .modal-header .close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text);
}

.iu-modal .modal-body {
    padding: var(--spacing-3);
}

.iu-modal .modal-body > div {
    margin-bottom: var(--spacing-3);
}

.upload-area {
    border: 2px dashed #ccc;
    padding: var(--spacing-5);
    text-align: center;
    cursor: pointer;
    min-height: 4em;
    border-radius: 0.25rem;
    transition: border-color 0.2s;
}

.upload-area:hover {
    border-color: var(--color-primary, #007bff);
}

.upload-area input[type="file"] {
    display: none;
}

.upload-progress {
    display: none;
    margin-top: 1em;
}

.upload-progress.active {
    display: block;
}

.upload-error {
    color: red;
    margin-top: 1em;
    display: none;
}

.upload-error.active {
    display: block;
}