/* ---- Header Bar ---- */
        .header-bar {
			width: 100%;              /* not strictly necessary if using block/flex */
            background: #0b1218;
            border-bottom: 2px solid #2d3a46;
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-shrink: 0;
            z-index: 50;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }
        .header-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: #48b5b5;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .header-title span {
            font-size: 1.5rem;
        }
        .tools-dropdown {
            position: relative;
        }
        .tools-btn {
            background: #1e293b;
            border: 2px solid #3b4e6b;
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: bold;
            font-size: 0.85rem;
            cursor: pointer;
            color: #b9c7d9;
            font-family: monospace;
            transition: 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .tools-btn:hover {
            background: #2d3e44;
            border-color: #48b5b5;
            color: #fff;
        }
        .tools-btn .arrow {
            font-size: 0.65rem;
            transition: 0.2s;
        }
        .tools-btn.open .arrow {
            transform: rotate(180deg);
        }
        .dropdown-menu {
            position: absolute;
            top: 110%;
            left: 0;
            background: #0f172a;
            border: 2px solid #334155;
            border-radius: 12px;
            min-width: 200px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
            z-index: 100;
            display: none;
            overflow: hidden;
        }
        .dropdown-menu.show {
            display: block;
            animation: fadeIn 0.15s ease;
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-5px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .dropdown-menu a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 16px;
            color: #cbd5e6;
            text-decoration: none;
            font-size: 0.8rem;
            font-family: monospace;
            transition: 0.15s;
            border-bottom: 1px solid #1e293b;
        }
        .dropdown-menu a:last-child {
            border-bottom: none;
        }
        .dropdown-menu a:hover {
            background: #1e293b;
            color: #48b5b5;
        }
        .dropdown-menu a .tool-icon {
            font-size: 1rem;
            width: 22px;
            text-align: center;
        }