/* Importar Curso Page */

.importar-upload-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--glass-radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    background: var(--color-gray-50);
}

.importar-upload-zone:hover,
.importar-upload-zone.dragover {
    border-color: var(--color-primary);
    background: var(--color-primary-50);
}

.importar-upload-zone .upload-icon {
    color: var(--color-gray-400);
    margin-bottom: 16px;
}

.importar-upload-zone p {
    color: var(--color-gray-500);
    margin-bottom: 16px;
}

/* Textarea JSON */
.importar-textarea {
    width: 100%;
    min-height: 300px;
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: 8px;
    color: var(--color-gray-800);
    font-family: var(--font-family-mono);
    font-size: var(--text-sm);
    padding: 16px;
    resize: vertical;
    line-height: 1.6;
    transition: border-color 0.2s;
}

.importar-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-100);
}

.importar-textarea::placeholder {
    color: var(--color-gray-400);
}

/* Modos de entrada */
.importar-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--color-gray-200);
}

.importar-tab {
    padding: 8px 20px;
    background: none;
    border: none;
    color: var(--color-gray-500);
    cursor: pointer;
    font-size: var(--text-sm);
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.importar-tab:hover {
    color: var(--color-gray-700);
}

.importar-tab.is-active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* Preview del curso */
.importar-preview {
    margin-top: 24px;
    padding: 20px;
    background: var(--color-gray-50);
    border-radius: 8px;
    border: 1px solid var(--color-gray-200);
}

.importar-preview__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.importar-preview__title {
    font-size: var(--text-lg);
    color: var(--color-gray-800);
    font-weight: 600;
}

.importar-preview__stats {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.importar-preview__stat {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--color-gray-500);
    font-size: var(--text-sm);
}

.importar-preview__stat strong {
    color: var(--color-primary-dark);
}

/* Árbol de módulos/lecciones */
.importar-tree {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.importar-tree__modulo {
    padding: 10px 14px;
    background: var(--color-white);
    border-radius: 6px;
    border-left: 3px solid var(--color-primary);
    box-shadow: var(--glass-shadow-sm);
}

.importar-tree__modulo-nombre {
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: 6px;
    font-size: var(--text-sm);
}

.importar-tree__leccion {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0 4px 16px;
    color: var(--color-gray-600);
    font-size: var(--text-sm);
}

.importar-tree__leccion-tipo {
    font-size: var(--text-xs);
    padding: 1px 6px;
    border-radius: 4px;
    background: var(--color-primary-100);
    color: var(--color-primary-dark);
    text-transform: uppercase;
    font-weight: 600;
}

/* Resultado */
.importar-resultado {
    padding: 20px;
    border-radius: var(--glass-radius-sm);
    margin-top: 24px;
}

.importar-resultado--ok {
    background: var(--color-success-light);
    border: 1px solid var(--color-success-border);
}

.importar-resultado--error {
    background: var(--color-error-light);
    border: 1px solid var(--color-error-border);
}

.importar-resultado__title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: 12px;
}

.importar-resultado--ok .importar-resultado__title {
    color: var(--color-success);
}

.importar-resultado--error .importar-resultado__title {
    color: var(--color-error);
}

.importar-resultado__stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.importar-resultado__stat-item {
    text-align: center;
    padding: 12px;
    background: var(--color-white);
    border-radius: 8px;
    border: 1px solid var(--color-gray-200);
}

.importar-resultado__stat-value {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-primary-dark);
}

.importar-resultado__stat-label {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    margin-top: 2px;
}

/* Warnings */
.importar-warnings {
    margin-top: 12px;
    padding: 12px 16px;
    background: var(--color-warning-light);
    border: 1px solid var(--color-warning-border);
    border-radius: 6px;
}

.importar-warnings__title {
    color: var(--color-warning);
    font-weight: 600;
    font-size: var(--text-sm);
    margin-bottom: 8px;
}

.importar-warnings__list {
    list-style: disc;
    padding-left: 20px;
    color: var(--color-gray-600);
    font-size: var(--text-sm);
}

.importar-warnings__list li {
    margin-bottom: 4px;
}

/* Ejemplo JSON */
.importar-ejemplo {
    margin-top: 24px;
}

.importar-ejemplo__toggle {
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    font-size: var(--text-sm);
    padding: 0;
    text-decoration: underline;
    font-weight: 500;
}

.importar-ejemplo__toggle:hover {
    color: var(--color-primary-dark);
}

.importar-ejemplo__code {
    margin-top: 12px;
    background: var(--color-gray-800);
    border-radius: 8px;
    padding: 20px;
    overflow-x: auto;
    font-family: var(--font-family-mono);
    font-size: var(--text-xs);
    line-height: 1.7;
    color: #e2e8f0;
    max-height: 500px;
    overflow-y: auto;
    white-space: pre;
    word-wrap: normal;
    border: 1px solid var(--color-gray-700);
}

/* Acciones */
.importar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 20px;
}

.importar-actions .checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--color-gray-600);
    font-size: var(--text-sm);
    cursor: pointer;
}

.importar-actions .checkbox-label input {
    accent-color: var(--color-primary);
}

/* Spinner */
.importar-loading {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    color: var(--color-gray-600);
}

.importar-loading__spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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