/* 暗黑主题样式 */
body.dark-theme {
    background-color: #121212;
    color: #e0e0e0;
}

body.dark-theme .sidebar {
    background-color: #1e1e1e;
    border-right: 1px solid #333;
}

body.dark-theme .sidebar-header {
    border-bottom: 1px solid #333;
}

body.dark-theme .top-nav {
    border-bottom: 1px solid #333;
}

body.dark-theme .menu-btn {
    color: #e0e0e0;
}

body.dark-theme .version {
    color: #aaa;
}

body.dark-theme .dropdown-content {
    background-color: #2d2d2d;
    box-shadow: 0 8px 16px rgba(0,0,0,0.4);
}

body.dark-theme .dropdown-content a {
    color: #e0e0e0;
}

body.dark-theme .dropdown-content a:hover {
    background-color: #3d3d3d;
}

body.dark-theme .file-name {
    color: #aaa;
}

body.dark-theme #logOutput {
    background-color: #1e1e1e;
    color: #e0e0e0;
    border-color: #333;
}

body.dark-theme .download-section {
    background-color: #1e1e1e;
    border: 1px solid #333;
}

body.dark-theme .countdown {
    color: #aaa;
}

body.dark-theme .modal-content {
    background-color: #1e1e1e;
    color: #e0e0e0;
}

body.dark-theme .close-modal {
    color: #777;
}

body.dark-theme .close-modal:hover {
    color: #e0e0e0;
}