body {
    background-color: #212529;
    color: #e9ecef;
}
.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    padding: 20px 0;
}
.file-card {
    background-color: #343a40;
    border: 1px solid #495057;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}
.file-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}
.file-card h5 {
    font-size: 1rem;
    margin-bottom: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.file-card p {
    font-size: 0.9rem;
    color: #adb5bd;
    margin: 5px 0;
}
.btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
}
.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}
.btn-success {
    min-width: 150px;
}
.modal-content {
    background-color: #343a40;
    color: #e9ecef;
}
.text-success {
    color: #28a745 !important;
}
.text-danger {
    color: #dc3545 !important;
}
#keepAliveResult .alert {
    margin-top: 10px;
}
.share-button {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.share-link {
    background-color: #495057;
    padding: 10px;
    border-radius: 4px;
    word-break: break-all;
}