/* PID Simulator Stylesheet */
.pid-sim-container {
            display: flex;
            flex-direction: column;
            gap: 14px;
            background: #fff;
            border: 1px solid #e2e8f0;
            border-radius: 8px;
            padding: 18px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            margin: 20px 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        }

        /* PID Simulator Header */
        .pid-card,
        .pid-bar {
            background: #f8fafc;
            border: 1px solid #e2e8f0;
            border-radius: 6px;
            padding: 10px 14px;
        }

        /* PID Simulator Grid Layout */
        .pid-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 24px; /* Increased separation between sliders */
        }

        /* PID Control Section */
        .pid-ctrl {
        display: flex;
        flex-direction: column;
        font-size: 13px;
        background: #ffffff;
        border: 1px solid #e2e8f0;
        border-radius: 6px;
        padding: 10px 12px;
        }

         /* PID Control Slider Styles */
        .pid-ctrl input[type="range"] {
        -webkit-appearance: none;
        appearance: none;
        width: calc(100% + 16px);
        margin: 8px -8px;
        background: transparent;
        cursor: pointer;
        padding: 0;
        outline: none;
        }

        /* Webkit Track Styles for Chrome, Edge, Safari */
        .pid-ctrl input[type="range"]::-webkit-slider-runnable-track {
            width: 100%;
            height: 6px;
            background: #e2e8f0;
            border-radius: 9999px;
            margin: 0 8px;
        }

        /* Webkit Thumb Styles for Chrome, Edge, Safari */
        .pid-ctrl input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #2563eb;
            border: 2px solid #fff;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
            margin-top: -5px;
            cursor: pointer;
        }

       /* Firefox Track Styles */
        .pid-ctrl input[type="range"]::-moz-range-track {
            width: 100%;
            height: 6px;
            background: #e2e8f0;
            border-radius: 9999px;
            margin: 0 8px;
        }

        /* Firefox Thumb Styles */
        .pid-ctrl input[type="range"]::-moz-range-thumb {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #2563eb;
            border: 2px solid #fff;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
            cursor: pointer;
        }

        /* PID Control Label Styles */
        .pid-ctrl label {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: #1e293b;
            margin-bottom: 4px;
        }

        /* PID Control Value Display Styles */
        .pid-badge {
            background: #e2e8f0;
            color: #0f172a;
            padding: 2px 6px;
            border-radius: 4px;
            font-family: monospace;
            font-size: 12px;
        }

        /* PID Metrics Bar Styles */
        .pid-metrics-bar {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
            gap: 10px;
        }

        /* Individual PID Metric Item Styles */
        .pid-metric-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        /* PID Metric Label Styles */
        .pid-metric-label {
            font-size: 11px;
            font-weight: 600;
            color: #64748b;
            letter-spacing: 0.5px;
        }

        /* PID Metric Value Styles */
        .pid-metric-val {
            font-size: 15px;
            font-family: monospace;
            font-weight: 700;
        }

        /* PID Toolbar Styles */
        .pid-toolbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        /* PID Button Styles */
        .pid-btn {
            background: #fff;
            color: #475569;
            border: 1px solid #cbd5e1;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.15s;
        }

        /* PID Button Hover and Active State Styles */
        .pid-btn:hover,
        .pid-btn.active {
            background: #2563eb;
            color: #fff;
            border-color: #2563eb;
        }

        /* PID Scrollable Area Styles */
        .pid-scroll {
            width: 100%;
            overflow-x: auto;
            background: #fff;
            border: 1px solid #cbd5e1;
            border-radius: 6px;
        }

        /* Custom Scrollbar Styles for Webkit Browsers */
        .pid-scroll::-webkit-scrollbar {
            height: 8px;
        }

        /* Custom Scrollbar Thumb Styles for Webkit Browsers */
        .pid-scroll::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 4px;
        }

        /* Subscript Styles for Annotations */
        sub {
            font-size: 9px;
            text-transform: lowercase;
        }

        /* Canvas Styles */
        canvas {
            display: block;
            background: #fff;
        }

        input.pid-badge {
            border: 1px solid #cbd5e1;
            width: 65px;
            text-align: right;
            outline: none;
            box-sizing: border-box;
        }

        /* Optional: Always show the up/down stepper arrows for convenience */
        input.pid-badge::-webkit-inner-spin-button,
        input.pid-badge::-webkit-outer-spin-button {
            opacity: 1; 
        }