/* assets/css/portal.css - Enhanced with selection styling */

.portal-screen {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--gray-50);
    animation: fadeIn 0.5s ease-in-out;
}

/* Header Styles */
.portal-header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-left h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.user-info {
    font-size: 0.875rem;
    color: var(--gray-600);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--gray-100);
    border-radius: var(--radius-md);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.selected-count {
    background-color: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    animation: slideIn 0.3s ease-out;
}

#selectedNumber {
    font-weight: 600;
}

/* Breadcrumb Navigation */
.breadcrumb-nav {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--spacing-md) 0;
}

.breadcrumb-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.breadcrumb-item:hover {
    background-color: var(--gray-100);
    color: var(--gray-900);
}

.breadcrumb-item.active {
    color: var(--primary-color);
    font-weight: 500;
    cursor: default;
}

.breadcrumb-item.active:hover {
    background-color: transparent;
}

.breadcrumb-icon {
    font-size: 1rem;
}

.breadcrumb-separator {
    color: var(--gray-400);
    margin: 0 var(--spacing-xs);
    user-select: none;
}

.nav-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: transparent;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    color: var(--gray-600);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nav-btn:hover:not(:disabled) {
    background-color: var(--gray-100);
    color: var(--gray-900);
    border-color: var(--gray-400);
}

.nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* File Browser */
.file-browser {
    flex: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    width: 100%;
}

/* Folder Actions */
.folder-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.actions-left,
.actions-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.view-options {
    display: flex;
    gap: var(--spacing-xs);
    background-color: var(--gray-100);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs);
}

.view-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--gray-600);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.view-btn.active {
    background-color: var(--white);
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.view-btn:hover:not(.active) {
    background-color: rgba(255, 255, 255, 0.5);
    color: var(--gray-900);
}

/* File Grid */
.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
    animation: fadeIn 0.4s ease-in-out;
}

.file-grid.list-view {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
}

/* File Items */
.file-item {
    background: var(--white);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    animation: slideUp 0.3s ease-out;
    animation-fill-mode: both;
}

.file-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.file-item.selected {
    border-color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.05);
    box-shadow: var(--shadow-md);
}

.file-item.list-view {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.file-item.list-view:hover {
    transform: none;
}

/* File Content */
.file-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-sm);
}

.file-content.list-view {
    flex-direction: row;
    text-align: left;
    flex: 1;
    justify-content: flex-start;
}

.file-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.8;
}

.file-icon.list-view {
    font-size: 1.5rem;
    margin-bottom: 0;
}

.file-info {
    flex: 1;
}

.file-name {
    font-weight: 500;
    color: var(--gray-900);
    font-size: 0.875rem;
    line-height: 1.25;
    word-break: break-word;
    margin-bottom: var(--spacing-xs);
}

.file-details {
    font-size: 0.75rem;
    color: var(--gray-500);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.file-details.list-view {
    flex-direction: row;
    gap: var(--spacing-md);
}

.file-count {
    background-color: var(--gray-100);
    color: var(--gray-600);
    padding: 2px var(--spacing-xs);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

/* File Selection Checkbox */
.file-checkbox {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    width: 1.25rem;
    height: 1.25rem;
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: 10;
}

.file-item:hover .file-checkbox,
.file-item.selected .file-checkbox {
    opacity: 1;
}

.file-checkbox input[type="checkbox"] {
    width: 100%;
    height: 100%;
    cursor: pointer;
    accent-color: var(--primary-color);
}

/* Individual Download Button */
.file-download-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 32px;
    height: 32px;
    background: rgba(59, 130, 246, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all 0.2s ease;
    opacity: 0;
    transform: scale(0.8);
    z-index: 10;
}

.file-item:hover .file-download-btn {
    opacity: 1;
    transform: scale(1);
}

.file-download-btn:hover {
    background: rgba(29, 78, 216, 0.9);
    transform: scale(1.1);
}

/* Mobile: Always show download buttons */
@media (max-width: 768px) {
    .file-download-btn {
        opacity: 1;
        transform: scale(1);
        top: 6px;
        right: 6px;
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .file-checkbox {
        opacity: 1;
        top: 6px;
        left: 6px;
        width: 1rem;
        height: 1rem;
    }
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    animation: fadeIn 0.5s ease-in-out;
}

.empty-icon {
    font-size: 4rem;
    opacity: 0.5;
    margin-bottom: var(--spacing-lg);
}

.empty-state h3 {
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    animation: fadeIn 0.3s ease-in-out;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    animation: slideUp 0.3s ease-out;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.modal-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-500);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--gray-200);
    color: var(--gray-900);
}

.modal-body {
    padding: var(--spacing-xl);
    max-height: 70vh;
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

/* Selection State Animations */
.file-item.selected {
    animation: selectPulse 0.3s ease-out;
}

@keyframes selectPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

/* Bulk Selection Styles */
.bulk-actions {
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.bulk-actions-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.bulk-actions-right {
    display: flex;
    gap: var(--spacing-xs);
}

.bulk-action-btn {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.bulk-action-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .file-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
    
    .header-content {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .file-browser {
        padding: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    .header-right {
        width: 100%;
        justify-content: space-between;
    }
    
    .breadcrumb-container {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    .file-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .folder-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: stretch;
    }
    
    .actions-left,
    .actions-right {
        justify-content: space-between;
        flex-wrap: wrap;
    }
    
    .modal-content {
        max-width: 95vw;
    }
}

@media (max-width: 480px) {
    .file-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: var(--spacing-sm);
    }
    
    .file-item {
        padding: var(--spacing-sm);
    }
    
    .file-icon {
        font-size: 2rem;
    }
    
    .file-name {
        font-size: 0.75rem;
    }
    
    .modal-header {
        padding: var(--spacing-md);
    }
    
    .modal-body {
        padding: var(--spacing-md);
    }
    
    .modal-footer {
        padding: var(--spacing-md);
    }
    
    .actions-left,
    .actions-right {
        flex-direction: column;
        align-items: stretch;
    }
    
    .actions-left .btn,
    .actions-right .btn {
        width: 100%;
        text-align: center;
    }
}

/* Animation delays for staggered loading */
.file-item:nth-child(1) { animation-delay: 0ms; }
.file-item:nth-child(2) { animation-delay: 50ms; }
.file-item:nth-child(3) { animation-delay: 100ms; }
.file-item:nth-child(4) { animation-delay: 150ms; }
.file-item:nth-child(5) { animation-delay: 200ms; }
.file-item:nth-child(6) { animation-delay: 250ms; }
.file-item:nth-child(7) { animation-delay: 300ms; }
.file-item:nth-child(8) { animation-delay: 350ms; }
.file-item:nth-child(9) { animation-delay: 400ms; }
.file-item:nth-child(10) { animation-delay: 450ms; }