/* ============================================================================
   FILE UPLOAD ZONE STYLES
   ============================================================================ */

/* Light Mode (Default) */
.upload-zone {
    border: 2px dashed #b8c5d6;
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #7692b8;
    color: #ffffff;
    min-height: 150px;
}

.upload-zone:hover {
    background: #5f799c;
    border-color: #8fa4bf;
}

.upload-zone.drag-over {
    background: #5a739a;
    border-color: #8fa4bf;
    transform: scale(1.02);
    border-style: solid;
}

.upload-zone .dz-message {
    margin: 0;
    font-size: 14px;
    color: #ffffff;
}

.upload-zone-info {
    margin-bottom: 15px;
}

.upload-zone-title {
    font-weight: 600;
    color: #ffffff;
}

/* Dark Mode */
[data-bs-theme="dark"] .upload-zone {
    background: #4a6280;
    border-color: #6b819a;
    color: #ffffff;
}

[data-bs-theme="dark"] .upload-zone:hover {
    background: #3e5470;
    border-color: #7a91ab;
}

[data-bs-theme="dark"] .upload-zone.drag-over {
    background: #3a4f68;
    border-color: #7a91ab;
}

/* ============================================================================
   UPLOAD PREVIEWS
   ============================================================================ */

.upload-previews {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.preview-item {
    position: relative;
    display: inline-block;
}

.preview-item .remove-file {
    padding: 2px 8px;
    font-size: 18px;
    line-height: 1;
    border-radius: 50%;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.preview-image {
    border: 2px solid #dee2e6;
    border-radius: 4px;
    display: block;
}

.file-info {
    background: #7088a7;
    color: #ffffff;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px solid #b8c5d6;
}

.file-info i {
    font-size: 32px;
    margin-bottom: 8px;
    color: #ffffff;
}

/* Dark Mode - Previews */
[data-bs-theme="dark"] .preview-image {
    border-color: #495057;
}

[data-bs-theme="dark"] .file-info {
    background: #4a6280;
    border-color: #6b819a;
    color: #ffffff;
}

[data-bs-theme="dark"] .file-info i {
    color: #ffffff;
}

.progress {
    border-radius: 0 0 4px 4px;
    margin-top: 2px;
}

.progress-bar {
    transition: width 0.3s ease;
}

/* ============================================================================
   SORTABLE STYLES
   ============================================================================ */

.upload-previews.ui-sortable .preview-item {
    cursor: move;
}

.upload-previews .ui-sortable-helper {
    opacity: 0.8;
    transform: scale(1.05);
}

.upload-previews .ui-sortable-placeholder {
    border: 2px dashed #7088a7;
    visibility: visible !important;
    background: rgba(112, 136, 167, 0.1);
    border-radius: 4px;
}

/* Dark Mode - Sortable */
[data-bs-theme="dark"] .upload-previews .ui-sortable-placeholder {
    border-color: #4a6280;
    background: rgba(74, 98, 128, 0.1);
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */

@media (max-width: 576px) {
    .upload-zone {
        padding: 30px 15px;
    }
    
    .preview-image,
    .file-info {
        width: 100px !important;
        height: 100px !important;
    }
}