/* ZO International - Upload Component Styles
   Professional upload UI with drag & drop, previews, progress
*/

/* ============================================
   Upload Container
   ============================================ */
.upload-container {
    margin-bottom: var(--space-6);
}

.upload-area {
    position: relative;
}

.upload-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ============================================
   Dropzone
   ============================================ */
.upload-dropzone {
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--radius-lg);
    padding: var(--space-10) var(--space-6);
    text-align: center;
    background: var(--color-gray-50);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.upload-dropzone:hover {
    border-color: var(--color-primary);
    background: rgba(26, 54, 93, 0.02);
}

.upload-dropzone.drag-over {
    border-color: var(--color-primary);
    background: rgba(26, 54, 93, 0.05);
    transform: scale(1.01);
}

.upload-icon {
    font-size: 48px;
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.upload-icon i {
    opacity: 0.8;
}

.upload-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.upload-primary {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-gray-700);
}

.upload-secondary {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

.upload-secondary i {
    margin-right: var(--space-1);
    color: var(--color-gray-400);
}

.upload-limit {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-gray-400);
    margin-top: var(--space-2);
}

.upload-camera-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-5);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.upload-camera-btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

@media (max-width: 576px) {
    .upload-dropzone {
        padding: var(--space-6) var(--space-4);
    }
    
    .upload-icon {
        font-size: 36px;
    }
}

/* ============================================
   Upload Validation
   ============================================ */
.upload-validation {
    margin-top: var(--space-3);
}

.validation-error {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-md);
    color: #dc2626;
    font-size: var(--text-sm);
}

.validation-error i {
    flex-shrink: 0;
}

/* ============================================
   Upload Progress
   ============================================ */
.upload-progress-container {
    margin-top: var(--space-4);
    padding: var(--space-4);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
}

.upload-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-3);
}

.progress-title {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-700);
}

.progress-count {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
}

.upload-progress-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-height: 200px;
    overflow-y: auto;
}

.upload-progress-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
}

.upload-progress-item.status-error {
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.upload-progress-item.status-uploaded {
    background: rgba(34, 197, 94, 0.05);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.progress-item-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    flex-shrink: 0;
}

.progress-item-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.progress-item-icon i {
    font-size: 18px;
    color: var(--color-gray-500);
}

.progress-item-icon i.fa-file-pdf {
    color: #dc2626;
}

.progress-item-info {
    flex: 1;
    min-width: 0;
}

.progress-item-name {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.progress-item-status {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    margin-top: var(--space-1);
}

.upload-progress-item.status-error .progress-item-status {
    color: #dc2626;
}

.upload-progress-item.status-uploaded .progress-item-status {
    color: #16a34a;
}

.progress-item-bar {
    height: 4px;
    background: var(--color-gray-200);
    border-radius: 2px;
    margin-top: var(--space-2);
    overflow: hidden;
}

.progress-item-bar .progress-fill {
    height: 100%;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

.progress-item-actions {
    display: flex;
    gap: var(--space-2);
}

.progress-item-actions button {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-retry {
    background: var(--color-gray-100);
    color: var(--color-gray-600);
}

.btn-retry:hover {
    background: var(--color-gray-200);
    color: var(--color-gray-700);
}

.btn-cancel {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

.btn-cancel:hover {
    background: rgba(239, 68, 68, 0.2);
}

/* Total Progress Bar */
.upload-progress-total {
    margin-top: var(--space-4);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.upload-progress-total .progress-bar {
    flex: 1;
    height: 6px;
    background: var(--color-gray-200);
    border-radius: 3px;
    overflow: hidden;
}

.upload-progress-total .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
    transition: width 0.3s ease;
}

.upload-progress-total .progress-percentage {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    min-width: 40px;
    text-align: right;
}

/* ============================================
   Uploaded Files
   ============================================ */
.uploaded-files-container {
    margin-top: var(--space-4);
}

.uploaded-files-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-3);
}

.uploaded-count {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-700);
}

.btn-clear-all {
    padding: var(--space-2) var(--space-3);
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-1);
    transition: all var(--transition-fast);
}

.btn-clear-all:hover {
    background: rgba(239, 68, 68, 0.2);
}

.uploaded-files-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-3);
}

.uploaded-file-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.uploaded-file-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.uploaded-file-preview {
    height: 120px;
    background: var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.uploaded-file-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.uploaded-file-preview i {
    font-size: 48px;
    color: var(--color-gray-400);
}

.preview-pdf {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: #dc2626;
}

.preview-pdf i {
    font-size: 48px;
}

.preview-pdf span {
    font-size: var(--text-sm);
    font-weight: 500;
}

.uploaded-file-info {
    padding: var(--space-3);
}

.uploaded-file-name {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.uploaded-file-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-2);
}

.uploaded-file-meta .file-size {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
}

.file-status {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    font-weight: 500;
}

.file-status.success {
    color: #16a34a;
}

.uploaded-file-actions {
    display: flex;
    border-top: 1px solid var(--color-gray-200);
}

.uploaded-file-actions button {
    flex: 1;
    padding: var(--space-3);
    background: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-500);
}

.uploaded-file-actions button:not(:last-child) {
    border-right: 1px solid var(--color-gray-200);
}

.uploaded-file-actions button:hover {
    background: var(--color-gray-50);
    color: var(--color-primary);
}

.uploaded-file-actions .btn-remove:hover {
    color: #dc2626;
}

@media (max-width: 576px) {
    .uploaded-files-list {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Preview Modal
   ============================================ */
.upload-preview-modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal, 400);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.preview-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
}

.preview-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.preview-content img {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
}

.preview-pdf-content {
    width: 80vw;
    max-width: 900px;
    height: 90vh;
}

.preview-pdf-content iframe {
    flex: 1;
    width: 100%;
}

.preview-close {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.5);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.preview-close:hover {
    background: rgba(0, 0, 0, 0.7);
}

.preview-info {
    padding: var(--space-4);
    background: var(--color-white);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.preview-info strong {
    flex: 1;
    min-width: 200px;
}

.preview-info span {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

.btn-download {
    padding: var(--space-2) var(--space-4);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    transition: all var(--transition-fast);
}

.btn-download:hover {
    background: var(--color-primary-dark);
}