        body {
            font-family: 'Share Tech Mono', monospace;
            background-color: #0d1a26; /* Dark space blue */
            margin: 20px;
            color: #b3cde0; /* Light blue-gray for text */
            line-height: 1.6;
        }

        .container {
            max-width: 90%;
            margin: 20px auto;
            padding: 20px;
            background-color: #1a2a3a;
            box-shadow: 0 0 20px rgba(0, 204, 255, 0.3);
            border-radius: 12px;
            border: 1px solid #00ccff;
        }

        h1 {
            color: #00ccff;
            text-align: center;
            text-shadow: 0 0 10px #00ccff;
            margin-bottom: 30px;
        }

        .controls-wrapper, .filter-wrapper {
            text-align: center;
            margin-bottom: 30px;
        }

        input[type="file"] {
            display: none; /* Hide the default file input */
        }

        .custom-button {
            border: 1px solid #00ccff;
            display: inline-block;
            padding: 10px 20px;
            cursor: pointer;
            background-color: #0a141e;
            color: #00ccff;
            border-radius: 8px;
            transition: background-color 0.3s ease, box-shadow 0.3s ease, color 0.3s ease;
            box-shadow: 0 0 8px rgba(0, 204, 255, 0.5);
            font-size: 1.1em;
            margin: 5px; /* Add some margin between buttons */
        }

        .custom-button:hover {
            background-color: #00ccff;
            color: #1a2a3a;
            box-shadow: 0 0 15px #00ccff;
        }

        .custom-button:disabled {
            border-color: #555;
            color: #888;
            background-color: #222;
            cursor: not-allowed;
            box-shadow: none;
        }

        .filter-input {
            padding: 10px;
            border: 1px solid #00ccff;
            background-color: #0a141e;
            color: #b3cde0;
            border-radius: 8px;
            font-family: 'Share Tech Mono', monospace;
            font-size: 1em;
            width: 200px; /* Adjust width as needed */
            margin-right: 10px;
            box-shadow: inset 0 0 5px rgba(0, 204, 255, 0.3);
        }

        .filter-input::placeholder {
            color: #8899a8;
        }


        .table-container {
            overflow-x: auto;
            max-width: 100%;
            background-color: #1a2a3a;
            box-shadow: 0 0 20px rgba(0, 204, 255, 0.3);
            border-radius: 12px;
            border: 1px solid #00ccff;
            margin-top: 20px;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            margin: 0;
            padding: 0;
            white-space: nowrap;
        }

        th, td {
            padding: 15px 20px;
            text-align: left;
            border-bottom: 1px solid rgba(0, 204, 255, 0.2);
            vertical-align: top;
            font-size: 14px;
            position: relative;
        }

        th {
            background-color: #0a141e;
            color: #00ccff;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            position: sticky;
            top: 0;
            z-index: 10;
        }

        th::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(to right, rgba(0, 204, 255, 0), #00ccff, rgba(0, 204, 255, 0));
            box-shadow: 0 0 8px #00ccff;
        }

        tr:nth-child(even) {
            background-color: #1a2a3a;
        }

        tr:nth-child(odd) {
            background-color: #1e3246;
        }

        tr:hover {
            background-color: #2a415a;
            box-shadow: inset 0 0 10px rgba(0, 204, 255, 0.4);
            transition: background-color 0.3s ease, box-shadow 0.3s ease;
        }

        td {
            color: #b3cde0;
        }

        td.expandable-list, td.notes {
            white-space: normal;
            max-height: 90px;
            overflow-y: auto;
            max-width: 280px;
            line-height: 1.5;
            padding-top: 10px;
            padding-bottom: 10px;
            background-color: rgba(0, 0, 0, 0.1);
            border-radius: 5px;
            box-shadow: inset 0 0 5px rgba(0, 204, 255, 0.1);
        }

        .hidden-content {
            display: none;
        }

        .toggle-btn {
            background: none;
            border: 1px solid #00ccff;
            color: #00ccff;
            padding: 5px 10px;
            margin-top: 8px;
            cursor: pointer;
            border-radius: 5px;
            font-family: 'Share Tech Mono', monospace;
            font-size: 0.9em;
            transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 0 5px rgba(0, 204, 255, 0.5);
        }

        .toggle-btn:hover {
            background-color: #00ccff;
            color: #1a2a3a;
            box-shadow: 0 0 10px #00ccff;
        }

        td.center-content {
            text-align: center;
        }

        a {
            color: #00ccff;
            text-decoration: none;
            font-weight: 500;
            text-shadow: 0 0 5px rgba(0, 204, 255, 0.7);
        }

        a:hover {
            text-decoration: underline;
            color: #33eaff;
        }

        .checkmark {
            color: #33ff99;
            font-weight: bold;
            font-size: 1.3em;
            text-shadow: 0 0 8px #33ff99;
        }

        .crossmark {
            color: #ff6666;
            font-weight: bold;
            font-size: 1.3em;
            text-shadow: 0 0 8px #ff6666;
        }

        /* Scrollbar styling for a futuristic look */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }

        ::-webkit-scrollbar-track {
            background: #0d1a26;
            border-radius: 10px;
        }

        ::-webkit-scrollbar-thumb {
            background: #00ccff;
            border-radius: 10px;
            box-shadow: 0 0 5px rgba(0, 204, 255, 0.7);
        }

        ::-webkit-scrollbar-thumb:hover {
            background: #33eaff;
        }

        /* Responsive adjustments */
        @media (max-width: 768px) {
            .container {
                margin: 10px auto;
                padding: 15px;
            }
            .table-container {
                border-radius: 0;
            }
            body {
                margin: 0;
            }
            th, td {
                padding: 10px 12px;
                font-size: 12px;
            }
            td.expandable-list, td.notes {
                max-height: 70px;
                max-width: 200px;
            }
            th::after {
                height: 2px;
            }
            h1 {
                font-size: 1.8em;
            }
            .custom-button, .filter-input {
                font-size: 1em;
                padding: 8px 15px;
            }
            .filter-input {
                width: calc(100% - 20px); /* Full width minus padding/margin */
                margin-bottom: 10px;
            }
        }

        body { font-family: sans-serif; background-color: #0d1a26; margin: 20px; color: #b3cde0; line-height: 1.6; }
        .table-container { overflow-x: auto; max-width: 100%; background-color: #1a2a3a; box-shadow: 0 0 20px rgba(0, 204, 255, 0.3); border-radius: 12px; border: 1px solid #00ccff; margin-top: 20px; }
        table { width: 100%; border-collapse: collapse; margin: 0; padding: 0; white-space: nowrap; }
        th, td { padding: 15px 20px; text-align: left; border-bottom: 1px solid rgba(0, 204, 255, 0.2); vertical-align: top; font-size: 14px; position: relative; }
        th { background-color: #0a141e; color: #00ccff; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
        th::after { content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 3px; background: linear-gradient(to right, rgba(0, 204, 255, 0), #00ccff, rgba(0, 204, 255, 0)); box-shadow: 0 0 8px #00ccff; }
        tr:nth-child(even) { background-color: #1a2a3a; }
        tr:nth-child(odd) { background-color: #1e3246; }
        td { color: #b3cde0; }
        td.expandable-list, td.notes { white-space: normal; max-height: none; overflow-y: visible; max-width: none; line-height: 1.5; padding-top: 10px; padding-bottom: 10px; background-color: rgba(0, 0, 0, 0.1); border-radius: 5px; box-shadow: inset 0 0 5px rgba(0, 204, 255, 0.1); }

        /* Overrides for saved HTML: show all content, hide toggle buttons */
        .hidden-content { display: inline !important; }
        .toggle-btn { display: none !important; }

        td.center-content { text-align: center; }
        a { color: #00ccff; text-decoration: none; font-weight: 500; text-shadow: 0 0 5px rgba(0, 204, 255, 0.7); }
        .checkmark { color: #33ff99; font-weight: bold; font-size: 1.3em; text-shadow: 0 0 8px #33ff99; }
        .crossmark { color: #ff6666; font-weight: bold; font-size: 1.3em; text-shadow: 0 0 8px #ff6666; }
        /* Scrollbar styles for the saved file if any scrollable content remains */
        ::-webkit-scrollbar { width: 8px; height: 8px; }
        ::-webkit-scrollbar-track { background: #0d1a26; border-radius: 10px; }
        ::-webkit-scrollbar-thumb { background: #00ccff; border-radius: 10px; box-shadow: 0 0 5px rgba(0, 204, 255, 0.7); }
        ::-webkit-scrollbar-thumb:hover { background: #33eaff; }