/* Dark theme styles for modals */
.dark-theme {
    background-color: #181818;
    color: #fff;
}

.dark-theme .modal-header {
    border-bottom: 1px solid #333;
    background: #181818;
}

.dark-theme .modal-title {
    color: #fff;
}

.dark-theme .modal-body {
    background: #222;
}

.dark-theme .close {
    color: #fff;
    opacity: 1;
}

.dark-theme .pdf-frame {
    width: 100%;
    height: 80vh;
    background: #222;
    border: none;
}