/* Main Styles */
body {
    padding-top: 60px;
    background-color: #f8f9fa;
}

.card {
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,.1);
}

.document-card {
    transition: transform 0.2s;
}

.document-card:hover {
    transform: translateY(-5px);
}

.file-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.pdf-icon { color: #e74c3c; }
.document-icon { color: #3498db; }
.spreadsheet-icon { color: #2ecc71; }
.image-icon { color: #9b59b6; }
.video-icon { color: #e67e22; }
.other-icon { color: #95a5a6; }

.flash-messages {
    position: fixed;
    top: 70px;
    right: 20px;
    z-index: 1000;
    max-width: 300px;
}

/* Dashboard Styles */
.analytics-card {
    background-color: #f8f9fa;
    border-left: 4px solid #007bff;
}

/* Document Viewer Styles */
.document-viewer {
    min-height: 400px;
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 0.25rem;
    padding: 1rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .card-body {
        padding: 1rem;
    }
    
    .btn-group {
        display: flex;
        flex-direction: column;
    }
    
    .btn-group .btn {
        margin-bottom: 0.25rem;
        border-radius: 0.25rem !important;
    }
}