.. عنوان: QoS DSCP کیلکولیٹر اور کنفیگریشن جنریٹر
.. slug: qos-dscp-calculator
.. تاریخ: 2026-02-02 16:00:00 UTC
.. ٹیگز: نیٹ ورکنگ، کیو ایس، ڈی ایس سی پی، کیلکولیٹر، ٹول
.. زمرہ: اوزار
.. لنک:
.. تفصیل: DSCP کیلکولیٹر، بینڈوتھ ایلوکیشن پلانر، اور ملٹی وینڈر کنفیگریشن جنریٹر کے ساتھ انٹرایکٹو QoS ڈیزائن ٹول
.. قسم: متن
<link href="/assets/css/tools-common.css" rel="stylesheet"/>
<style>
        * {
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            margin: 0;
            padding: 0;
        }

        .calc-container {
            max-width: 1000px;
            margin: 20px auto;
            padding: 20px;
        }

        .calc-header {
            margin-bottom: 30px;
            padding: 25px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 12px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            color: white;
        }

        .calc-header h2 {
            margin-top: 0;
            color: white;
            font-size: 28px;
            margin-bottom: 10px;
        }

        .calc-header p {
            margin: 10px 0 20px 0;
            opacity: 0.95;
            font-size: 15px;
        }

        /* DSCP Converter in Header */
        .dscp-converter-compact {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }

        .input-group {
            display: flex;
            flex-direction: column;
        }

        .input-group label {
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 14px;
            color: rgba(255,255,255,0.95);
        }

        .input-group input,
        .input-group select {
            padding: 14px;
            font-size: 16px;
            border: 2px solid rgba(255,255,255,0.3);
            border-radius: 6px;
            font-family: 'Courier New', monospace;
            background: rgba(255,255,255,0.95);
            transition: all 0.3s ease;
        }

        .input-group input:focus,
        .input-group select:focus {
            outline: none;
            border-color: #4CAF50;
            background: white;
            box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
        }

        .dscp-info {
            margin-top: 15px;
            padding: 12px;
            background: rgba(255,255,255,0.15);
            border-radius: 6px;
            font-size: 14px;
        }

        .dscp-info strong {
            color: white;
        }

        /* Quick Reference Table */
        .quick-reference {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 8px;
            margin-top: 15px;
        }

        .dscp-chip {
            background: rgba(255,255,255,0.15);
            padding: 8px 12px;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.2s ease;
            text-align: center;
            border: 2px solid transparent;
            color: inherit;
            font-family: inherit;
            width: 100%;
        }

        .dscp-chip:hover {
            background: rgba(255,255,255,0.25);
            border-color: rgba(255,255,255,0.4);
        }

        .dscp-chip:focus {
            outline: none;
            background: rgba(255,255,255,0.3);
            border-color: #4CAF50;
            box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.3);
        }

        .dscp-chip:active {
            transform: scale(0.98);
        }

        .dscp-chip .name {
            font-weight: bold;
            font-size: 13px;
        }

        .dscp-chip .value {
            font-size: 11px;
            opacity: 0.9;
            margin-top: 2px;
        }

        /* Section Tabs */
        .tabs {
            display: none; /* Hidden by default, shown after pathway selection */
            background: rgba(255,255,255,0.1);
            border-radius: 8px;
            margin-top: 20px;
            overflow: hidden;
        }

        .tabs.show {
            display: flex;
        }

        .tab {
            flex: 1;
            padding: 12px 20px;
            text-align: center;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
            color: rgba(255,255,255,0.8);
            border: none;
            background: transparent;
        }

        .tab:hover {
            background: rgba(255,255,255,0.15);
            color: white;
        }

        .tab.active {
            background: white;
            color: #667eea;
        }

        .tab-content {
            display: none;
        }

        .tab-content.active {
            display: block;
        }

        /* Sections */
        .section {
            margin-bottom: 30px;
            background: white;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
        }

        .section h3 {
            margin-top: 0;
            margin-bottom: 20px;
            color: #333;
            border-left: 5px solid #667eea;
            padding-left: 15px;
            font-size: 20px;
        }

        .section-header {
            background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
            color: white;
            padding: 15px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-radius: 8px 8px 0 0;
            margin: -20px -20px 20px -20px;
        }

        .section-header h3 {
            margin: 0;
            font-size: 18px;
            border: none;
            padding: 0;
            color: white;
        }

        /* Policy Designer */
        .traffic-class {
            background: #f8f9fa;
            padding: 15px;
            margin-bottom: 15px;
            border-radius: 8px;
            border-left: 4px solid #667eea;
        }

        .traffic-class-header {
            display: flex;
            gap: 15px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .traffic-class-header input,
        .traffic-class-header select {
            flex: 1;
            min-width: 150px;
            padding: 10px;
            border: 2px solid #ced4da;
            border-radius: 6px;
            font-size: 14px;
        }

        .traffic-class-header input:focus,
        .traffic-class-header select:focus {
            outline: none;
            border-color: #667eea;
        }

        .remove-class-btn {
            background: #dc3545;
            color: white;
            border: none;
            padding: 8px 16px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 14px;
        }

        .remove-class-btn:hover {
            background: #c82333;
        }

        .btn {
            padding: 12px 24px;
            border: none;
            border-radius: 6px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }

        .btn-primary {
            background: #4CAF50;
            color: white;
        }

        .btn-primary:hover {
            background: #45a049;
            transform: translateY(-1px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.3);
        }

        .btn-secondary {
            background: #6c757d;
            color: white;
        }

        .btn-secondary:hover {
            background: #5a6268;
        }

        .alert {
            padding: 15px 20px;
            border-radius: 8px;
            margin-bottom: 20px;
            border-left: 4px solid;
        }

        .alert-info {
            background: #d1ecf1;
            border-color: #17a2b8;
            color: #0c5460;
        }

        .alert-warning {
            background: #fff3cd;
            border-color: #ffc107;
            color: #856404;
        }

        .alert-success {
            background: #d4edda;
            border-color: #28a745;
            color: #155724;
        }

        .bandwidth-summary {
            background: white;
            padding: 20px;
            border-radius: 8px;
            margin-top: 20px;
            border: 2px solid #667eea;
        }

        .bandwidth-bar-container {
            margin: 20px 0;
        }

        .bandwidth-bar {
            height: 40px;
            display: flex;
            border-radius: 6px;
            overflow: hidden;
            border: 2px solid #dee2e6;
        }

        .bandwidth-segment {
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 12px;
            transition: all 0.3s ease;
        }

        /* Latency Calculator */
        .latency-calculator {
            background: white;
            padding: 20px;
            border-radius: 8px;
            margin-top: 20px;
            border: 2px solid #17a2b8;
        }

        .latency-class {
            background: #f8f9fa;
            padding: 20px;
            margin-bottom: 15px;
            border-radius: 8px;
            border-left: 4px solid #17a2b8;
        }

        .latency-class-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
            flex-wrap: wrap;
            gap: 10px;
        }

        .latency-class-name {
            font-weight: 600;
            font-size: 16px;
            color: #333;
        }

        .latency-result {
            font-size: 24px;
            font-weight: bold;
            font-family: 'Courier New', monospace;
        }

        .latency-result.good {
            color: #28a745;
        }

        .latency-result.warning {
            color: #ffc107;
        }

        .latency-result.critical {
            color: #dc3545;
        }

        .slider-container {
            margin-top: 15px;
        }

        .slider-label {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
            font-size: 14px;
            color: #666;
        }

        .slider-input {
            width: 100%;
            height: 8px;
            border-radius: 4px;
            background: #dee2e6;
            outline: none;
            -webkit-appearance: none;
        }

        .slider-input::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #17a2b8;
            cursor: pointer;
            box-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }

        .slider-input::-moz-range-thumb {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #17a2b8;
            cursor: pointer;
            box-shadow: 0 2px 4px rgba(0,0,0,0.2);
            border: none;
        }

        .slider-input:hover::-webkit-slider-thumb {
            background: #138496;
        }

        .slider-input:hover::-moz-range-thumb {
            background: #138496;
        }

        .latency-details {
            margin-top: 10px;
            padding-top: 10px;
            border-top: 1px solid #dee2e6;
            font-size: 13px;
            color: #666;
        }

        .config-output {
            background: #2d2d2d;
            color: #f8f8f2;
            padding: 20px;
            border-radius: 6px;
            font-family: 'Courier New', monospace;
            font-size: 13px;
            line-height: 1.6;
            overflow-x: auto;
            margin-top: 15px;
        }

        .copy-btn {
            background: #4CAF50;
            color: white;
            border: none;
            padding: 8px 16px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 14px;
            margin-top: 10px;
        }

        .copy-btn:hover {
            background: #45a049;
        }

        .vendor-selector {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .vendor-btn {
            padding: 10px 20px;
            background: white;
            border: 2px solid #667eea;
            color: #667eea;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.2s ease;
        }

        .vendor-btn:hover {
            background: #f0f0ff;
        }

        .vendor-btn.active {
            background: #667eea;
            color: white;
        }

        .hidden {
            display: none;
        }

        /* Getting Started Section */
        .getting-started {
            background: rgba(255,255,255,0.95);
            padding: 25px;
            border-radius: 8px;
            margin-top: 20px;
            border: 2px solid rgba(255,255,255,0.3);
        }

        .getting-started h3 {
            margin-top: 0;
            color: white;
            font-size: 20px;
        }

        .pathway-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
            margin-top: 15px;
        }

        .pathway-card {
            background: white;
            padding: 20px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid #dee2e6;
            text-align: center;
        }

        .pathway-card:hover {
            border-color: #667eea;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
        }

        .pathway-card:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.3);
        }

        .pathway-icon {
            font-size: 36px;
            margin-bottom: 10px;
        }

        .pathway-title {
            font-weight: bold;
            color: #333;
            margin-bottom: 8px;
            font-size: 16px;
        }

        .pathway-desc {
            color: #666;
            font-size: 13px;
        }

        /* Collapsible DSCP Converter */
        .dscp-converter-toggle {
            background: rgba(255,255,255,0.2);
            border: 2px solid rgba(255,255,255,0.3);
            padding: 12px 20px;
            border-radius: 8px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 20px;
            transition: all 0.2s ease;
            color: white;
            font-weight: 600;
        }

        .dscp-converter-toggle:hover {
            background: rgba(255,255,255,0.3);
        }

        .dscp-converter-toggle:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.3);
        }

        .toggle-icon {
            transition: transform 0.3s ease;
        }

        .toggle-icon.open {
            transform: rotate(180deg);
        }

        .dscp-converter-content {
            margin-top: 15px;
            display: none;
        }

        .dscp-converter-content.show {
            display: block;
            animation: slideDown 0.3s ease;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .calc-container {
                padding: 12px;
                margin: 10px auto;
            }

            .dscp-converter-compact {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .quick-reference {
                grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
                gap: 6px;
            }

            .dscp-chip {
                padding: 6px 10px;
                font-size: 12px;
            }

            .dscp-chip .name {
                font-size: 12px;
            }

            .dscp-chip .value {
                font-size: 10px;
            }

            .tabs {
                flex-direction: column;
            }

            .tab {
                padding: 10px 15px;
                border-right: none;
                border-bottom: 2px solid transparent;
            }

            .tab.active {
                border-right: none;
                border-bottom: 2px solid white;
            }

            .traffic-class-header {
                flex-direction: column;
            }

            .traffic-class-header input,
            .traffic-class-header select {
                width: 100%;
            }

            .section {
                padding: 15px;
            }

            .section h3 {
                font-size: 18px;
            }

            /* Minimum touch target size for mobile accessibility */
            .btn, button, .tab, .dscp-chip {
                min-height: 44px;
                min-width: 44px;
            }
        }

        @media (max-width: 480px) {
            .calc-container {
                padding: 8px;
            }

            .calc-header h2 {
                font-size: 22px;
            }

            .calc-header p {
                font-size: 14px;
            }

            .input-group label {
                font-size: 13px;
            }

            .input-group input,
            .input-group select {
                font-size: 14px;
                padding: 10px;
            }

            .btn {
                width: 100%;
                padding: 10px 16px;
                font-size: 14px;
            }
        }
    </style>

<body>
<div class="calc-container">
<div class="calc-header">
<h2>🎯 QoS DSCP کیلکولیٹر اور کنفیگریشن جنریٹر</h2>
<p>DSCP اقدار کو تبدیل کریں، QoS پالیسیوں کو ڈیزائن کریں، اور کنورجڈ نیٹ ورکس کے لیے ملٹی وینڈر کنفیگریشن تیار کریں۔</p>
شروع کرنا سیکشن
<div class="getting-started" id="gettingStarted">
<h3 style="color: #333;">👋 آپ کیا کرنا چاہیں گے؟</h3>
<div class="pathway-cards">
<button aria-label="Start with a pre-built QoS template" class="pathway-card" onclick="selectPathway('template')">
<div class="pathway-icon">📋</div>
<div class="pathway-title">ایک ٹیمپلیٹ استعمال کریں۔</div>
<div class="pathway-desc">صحت کی دیکھ بھال، تعلیم، یا انٹرپرائز ٹیمپلیٹس کے ساتھ شروع کریں۔</div>
</button>
<button aria-label="Convert DSCP values between formats" class="pathway-card" onclick="selectPathway('converter')">
<div class="pathway-icon">🔄</div>
<div class="pathway-title">DSCP قدروں کو تبدیل کریں۔</div>
<div class="pathway-desc">اعشاریہ، ہیکس، اور بائنری کے درمیان فوری تبدیلی</div>
</button>
<button aria-label="Design a custom QoS policy" class="pathway-card" onclick="selectPathway('design')">
<div class="pathway-icon">🎨</div>
<div class="pathway-title">اپنی مرضی کے مطابق پالیسی ڈیزائن کریں۔</div>
<div class="pathway-desc">شروع سے اپنی QoS کنفیگریشن بنائیں</div>
</button>
</div>
</div>
ٹوٹنے والا DSCP کنورٹر
<button aria-controls="converterContent" aria-expanded="false" class="dscp-converter-toggle" id="converterToggle" onclick="toggleConverter()" style="display: none;">
<span>🔄 فوری DSCP کنورٹر</span>
<span class="toggle-icon" id="toggleIcon">▼</span>
</button>
<div class="dscp-converter-content" id="converterContent">
<div class="dscp-converter-compact">
<div class="input-group">
<label for="dscpDecimal">اعشاریہ (0-63):</label>
<input id="dscpDecimal" max="63" min="0" type="number" value="46"/>
</div>
<div class="input-group">
<label for="dscpHex">ہیکساڈیسیمل:</label>
<input id="dscpHex" maxlength="4" type="text" value="0x2E"/>
</div>
<div class="input-group">
<label for="dscpBinary">بائنری (6 بٹس):</label>
<input id="dscpBinary" maxlength="6" type="text" value="101110"/>
</div>
<div class="input-group">
<label for="dscpName">معیاری نام:</label>
<select id="dscpName">
<option value="">منتخب کریں...</option>
</select>
</div>
</div>
<div class="dscp-info">
<strong>موجودہ قدر:</strong> <span id="currentValue">DSCP 46 (EF - تیز رفتار فارورڈنگ)</span><br/>
<strong>کیس استعمال کریں:</strong> <span id="useCase">صوتی ٹریفک (VoIP)</span>
</div>
<div id="tosDisplay" style="margin-top: 15px; padding: 12px; background: #f0f0f0; border-radius: 6px; font-family: monospace;">
<strong>IP ToS بائٹ بریک ڈاؤن:</strong><br/>
<div style="display: grid; grid-template-columns: repeat(8, 1fr); gap: 2px; margin-top: 8px;">
<div style="border: 1px solid #999; padding: 4px; text-align: center; background: #e3f2fd; font-weight: bold;">D</div>
<div style="border: 1px solid #999; padding: 4px; text-align: center; background: #e3f2fd; font-weight: bold;">D</div>
<div style="border: 1px solid #999; padding: 4px; text-align: center; background: #e3f2fd; font-weight: bold;">D</div>
<div style="border: 1px solid #999; padding: 4px; text-align: center; background: #e3f2fd; font-weight: bold;">D</div>
<div style="border: 1px solid #999; padding: 4px; text-align: center; background: #e3f2fd; font-weight: bold;">D</div>
<div style="border: 1px solid #999; padding: 4px; text-align: center; background: #e3f2fd; font-weight: bold;">D</div>
<div style="border: 1px solid #999; padding: 4px; text-align: center; background: #fff9c4; font-weight: bold;">E</div>
<div style="border: 1px solid #999; padding: 4px; text-align: center; background: #fff9c4; font-weight: bold;">E</div>
</div>
<div style="font-size: 12px; margin-top: 8px; color: #666;">DSCP (بٹس 7-2):<strong id="tosDisplayDscp"></strong> = <strong id="tosDisplayDscpDec"></strong>|
                    ECN (بٹس 1-0):<strong id="tosDisplayEcn"></strong>|
                    IP کی ترجیح:<strong id="tosDisplayIpp"></strong>
</div>
</div>
فوری مشترکہ اقدار
<div style="margin-top: 15px;">
<label style="display: block; margin-bottom: 8px; font-weight: 600; font-size: 14px;">فوری منتخب عام اقدار:</label>
<div aria-label="Quick DSCP value selection" class="quick-reference" role="group">
<button aria-label="Select EF - Expedited Forwarding, DSCP 46, for Voice traffic" class="dscp-chip" onclick="setDSCP(46)">
<div class="name">ای ایف</div>
<div class="value">46/ آواز</div>
</button>
<button aria-label="Select AF41 - Assured Forwarding 41, DSCP 34, for Video traffic" class="dscp-chip" onclick="setDSCP(34)">
<div class="name">اے ایف 41</div>
<div class="value">34 / ویڈیو</div>
</button>
<button aria-label="Select AF31 - Assured Forwarding 31, DSCP 26, for Streaming traffic" class="dscp-chip" onclick="setDSCP(26)">
<div class="name">اے ایف 31</div>
<div class="value">26 / سلسلہ بندی</div>
</button>
<button aria-label="Select CS3 - Class Selector 3, DSCP 24, for Signaling traffic" class="dscp-chip" onclick="setDSCP(24)">
<div class="name">CS3</div>
<div class="value">24/ سگنلنگ</div>
</button>
<button aria-label="Select AF21 - Assured Forwarding 21, DSCP 18, for High Data traffic" class="dscp-chip" onclick="setDSCP(18)">
<div class="name">اے ایف 21</div>
<div class="value">18 / ہائی ڈیٹا</div>
</button>
<button aria-label="Select BE - Best Effort, DSCP 0, for Best Effort traffic" class="dscp-chip" onclick="setDSCP(0)">
<div class="name">بی ای</div>
<div class="value">0/ بہترین کوشش</div>
</button>
</div>
</div>
</div> dscp-converter-content کو ختم کریں۔
اضافی خصوصیات کے لیے ٹیبز
<div class="tabs">
<button class="tab active" data-tab="policy">پالیسی ڈیزائنر</button>
<button class="tab" data-tab="config">کنفیگ جنریٹر</button>
<button class="tab" data-tab="reference">مکمل حوالہ</button>
</div>
</div>
سیشن کنٹرولز
<div class="session-controls" id="sessionControls">
<span class="session-status" id="sessionStatus">محفوظ نہیں ہوا۔</span>
<button class="btn btn-small btn-secondary" onclick="clearSession()">محفوظ کردہ ڈیٹا کو صاف کریں۔</button>
</div>
بینر بحال کریں۔
<div aria-live="polite" class="alert alert-info" id="restoreBanner" role="status" style="display: none;">
<strong>پچھلا سیشن ملا!</strong>
<button class="btn btn-small btn-primary" onclick="restoreSession()" style="margin: 0 10px;">بحال کریں۔</button>
<button class="btn btn-small btn-secondary" onclick="dismissRestore()">نئی شروعات کریں۔</button>
</div>
پینل کا استعمال کیسے کریں۔
<div class="how-to-use">
<div class="how-to-use-header">
<span>📖 اس ٹول کو کیسے استعمال کریں۔</span>
<span class="toggle-icon">▼</span>
</div>
<div class="how-to-use-content">
<ul>
<li><strong>DSCP کنورٹر:</strong>ہیڈر میں اعشاریہ، ہیکس، بائنری، اور معیاری ناموں کے درمیان تبدیل کریں۔</li>
<li><strong>پالیسی ٹیمپلیٹس:</strong>عام حالات کے لیے پہلے سے ترتیب شدہ پالیسیاں لوڈ کریں (صحت کی دیکھ بھال، تعلیم، انٹرپرائز)</li>
<li><strong>پالیسی ڈیزائنر:</strong>ٹریفک کلاسز بنائیں، DSCP اقدار تفویض کریں، اور بینڈوتھ فیصد مختص کریں۔</li>
<li><strong>لیٹنسی کیلکولیٹر:</strong>ہر کلاس کے لیے ریئل ٹائم لیٹینسی اثر دیکھنے کے لیے قطار کی گہرائی کو ایڈجسٹ کریں۔</li>
<li><strong>کنفیگ جنریٹر:</strong>سسکو، جونیپر، اریسٹا، اور اروبا کے لیے روٹر/سوئچ کنفیگریشن بنائیں</li>
<li><strong>مکمل حوالہ:</strong>تمام معیاری DSCP اقدار اور استعمال کے معاملات کی فوری تلاش کی میز</li>
</ul>
</div>
</div>
ٹیب 1: پالیسی ڈیزائنر
<div class="tab-content active" id="policy">
<div class="section">
<h3>QoS پالیسی ڈیزائنر</h3>
<div class="alert alert-info">
<strong>ℹ️ معلومات:</strong>اپنی ٹریفک کلاسز اور بینڈوڈتھ مختص کی وضاحت کریں۔ کل 100% سے زیادہ نہیں ہونا چاہیے۔ چارٹ خود بخود اپ ڈیٹ ہوجاتا ہے۔</div>
پالیسی ٹیمپلیٹس (P0 فیچر)
<div style="margin-bottom: 20px; padding: 15px; background: #f8f9fa; border-radius: 8px;">
<label style="display: block; margin-bottom: 10px; font-weight: 600;">لوڈ پالیسی ٹیمپلیٹ:<span class="tooltip-trigger" data-tooltip="Pre-configured policies optimized for common network scenarios.">?</span>
</label>
<select id="templateSelect" onchange="loadTemplate(this.value)" style="width: 100%; max-width: 400px; padding: 10px; border: 2px solid #ced4da; border-radius: 6px;">
<option value="">-- ایک ٹیمپلیٹ منتخب کریں --</option>
<option value="healthcare">صحت کی دیکھ بھال (آواز-اہم)</option>
<option value="education">تعلیم (ویڈیو بھاری)</option>
<option value="enterprise">انٹرپرائز (متوازن)</option>
<option value="retail">خوردہ (مہمان + کارپوریٹ)</option>
<option value="datacenter">ڈیٹا سینٹر (مشرق-مغرب)</option>
</select>
</div>
<div style="margin-bottom: 20px;">
<label style="display: block; margin-bottom: 10px; font-weight: 600;">لنک کی رفتار (Mbps):<span class="tooltip-trigger" data-tooltip="Network link capacity - used for bandwidth calculations.">?</span>
</label>
<input id="linkSpeed" max="100000" min="1" style="width: 200px; padding: 10px; border: 2px solid #ced4da; border-radius: 6px;" type="number" value="1000"/>
</div>
<div id="trafficClasses"></div>
<div style="margin-top: 20px;">
<button class="btn btn-primary" id="addClass">+ ٹریفک کلاس شامل کریں۔</button>
</div>
<div class="bandwidth-summary" id="bandwidthSummary" style="display: none;">
<h4 style="margin-top: 0;">بینڈوتھ ایلوکیشن</h4>
<div aria-live="assertive" class="alert alert-warning hidden" id="totalWarning" role="alert">
<strong>⚠️ انتباہ:</strong>کل بینڈوڈتھ مختص 100% سے زیادہ ہے! اپنے فیصد کو ایڈجسٹ کریں۔</div>
<div aria-live="polite" class="alert alert-success hidden" id="totalSuccess" role="status">
<strong>✅ درست:</strong>کل مختص ہے۔<span id="totalPercent">0</span>% - حد کے اندر</div>
<div aria-atomic="true" aria-live="polite" class="bandwidth-bar-container">
<div aria-label="Bandwidth allocation visualization" class="bandwidth-bar" id="bandwidthBar" role="img"></div>
</div>
<div style="margin-top: 20px;">
<div style="display: flex; justify-content: space-between; margin-bottom: 10px;">
<strong>کل مختص:</strong>
<span id="totalAllocated">0 Mbps (0%)</span>
</div>
<div style="display: flex; justify-content: space-between;">
<strong>باقی:</strong>
<span id="remaining">1000 Mbps (100%)</span>
</div>
</div>
</div>
لیٹنسی امپیکٹ کیلکولیٹر
<div aria-atomic="true" aria-live="polite" class="latency-calculator" id="latencyCalculator" style="display: none;">
<h4 style="margin-top: 0;">⏱️ لیٹنسی امپیکٹ کیلکولیٹر</h4>
<div class="alert alert-info">
<strong>ℹ️ معلومات:</strong>ہر ٹریفک کلاس کے لیے قطار کی گہرائی کو ایڈجسٹ کریں تاکہ سب سے خراب حالت میں قطار میں تاخیر دیکھنے میں آئے۔ آواز 20ms سے کم، ویڈیو 50ms سے کم رہنی چاہیے۔</div>
<div id="latencyClasses"></div>
<div style="margin-top: 20px; padding: 15px; background: #f8f9fa; border-radius: 6px;">
<h5 style="margin-top: 0;">حساب کا فارمولا:</h5>
<code style="background: white; padding: 10px; display: block; border-radius: 4px;">
                            Delay (ms) = (Queue Depth × Packet Size × 8) / (Link Speed × 1,000,000)
                        </code>
<p style="margin-bottom: 0; margin-top: 10px; font-size: 14px; color: #666;">بدترین صورت حال کو فرض کرتا ہے جہاں قطار میں موجود تمام پیکٹوں کو آپ کے پیکٹ سے پہلے منتقل کیا جانا چاہیے۔</p>
</div>
</div>
</div>
</div>
ٹیب 2: کنفیگ جنریٹر
<div class="tab-content" id="config">
<div class="section">
<h3>کنفیگریشن جنریٹر</h3>
<div class="alert alert-warning">
<strong>⚠️ نوٹ:</strong>تیار کردہ کنفیگریشنز ٹیمپلیٹس ہیں۔ پیداوار میں تعینات کرنے سے پہلے ہمیشہ لیبارٹری کے ماحول میں جائزہ لیں اور جانچ کریں۔</div>
<p style="margin-bottom: 20px;">پالیسی ڈیزائنر ٹیب میں اپنی پالیسی ڈیزائن کریں، پھر کنفیگریشن بنانے کے لیے نیچے اپنا وینڈر پلیٹ فارم منتخب کریں۔</p>
<h4 style="margin-bottom: 15px;">وینڈر پلیٹ فارم منتخب کریں:</h4>
<div class="vendor-selector">
<button class="vendor-btn active" data-vendor="cisco-ios">سسکو IOS/IOS-XE</button>
<button class="vendor-btn" data-vendor="cisco-nxos">سسکو NXOS</button>
<button class="vendor-btn" data-vendor="juniper">جونیپر جون او ایس</button>
<button class="vendor-btn" data-vendor="arista">اریسٹا ای او ایس</button>
<button class="vendor-btn" data-vendor="aruba">اروبا AOS-CX</button>
</div>
<button class="btn btn-primary" id="generateConfig">کنفیگریشن تیار کریں۔</button>
<div aria-atomic="false" aria-live="polite" class="hidden" id="configOutput">
<div class="config-output" id="configText"></div>
<button class="copy-btn" onclick="copyConfig()">📋 کلپ بورڈ پر کاپی کریں۔</button>
</div>
</div>
</div>
ٹیب 3: مکمل حوالہ
<div class="tab-content" id="reference">
<div class="section">
<h3>DSCP کوئیک ریفرنس ٹیبل</h3>
<div style="overflow-x: auto;">
<table style="width: 100%; border-collapse: collapse;">
<thead>
<tr style="background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white;">
<th style="padding: 12px; text-align: left;">نام</th>
<th style="padding: 12px; text-align: left;">اعشاریہ</th>
<th style="padding: 12px; text-align: left;">ہیکس</th>
<th style="padding: 12px; text-align: left;">بائنری</th>
<th style="padding: 12px; text-align: left;">کیس استعمال کریں۔</th>
</tr>
</thead>
<tbody id="referenceTable"></tbody>
</table>
</div>
</div>
</div>
</div>
<script>
    let calculationTimeout;
    let trafficClassesData = [];
    let selectedVendor = 'cisco-ios';

    // DSCP Standard Values (Complete RFC 3260 + RFC 5865)
    const dscpStandards = [
        { name: 'CS7', decimal: 56, useCase: 'System control traffic' },
        { name: 'CS6', decimal: 48, useCase: 'Network control and routing' },
        { name: 'EF', decimal: 46, useCase: 'Voice traffic (VoIP)' },
        { name: 'VA', decimal: 44, useCase: 'Voice Admit (RFC 5865)' },
        { name: 'CS5', decimal: 40, useCase: 'Signaling and network control' },
        { name: 'AF41', decimal: 34, useCase: 'Video conferencing' },
        { name: 'AF42', decimal: 36, useCase: 'Video conferencing' },
        { name: 'AF43', decimal: 38, useCase: 'Video conferencing' },
        { name: 'CS4', decimal: 32, useCase: 'Real-time interactive traffic' },
        { name: 'AF31', decimal: 26, useCase: 'Streaming video' },
        { name: 'AF32', decimal: 28, useCase: 'Streaming video' },
        { name: 'AF33', decimal: 30, useCase: 'Streaming video' },
        { name: 'CS3', decimal: 24, useCase: 'Call signaling' },
        { name: 'AF21', decimal: 18, useCase: 'High priority data' },
        { name: 'AF22', decimal: 20, useCase: 'High priority data' },
        { name: 'AF23', decimal: 22, useCase: 'High priority data' },
        { name: 'CS2', decimal: 16, useCase: 'OAM & management traffic' },
        { name: 'AF11', decimal: 10, useCase: 'Medium priority data' },
        { name: 'AF12', decimal: 12, useCase: 'Medium priority data' },
        { name: 'AF13', decimal: 14, useCase: 'Medium priority data' },
        { name: 'CS1', decimal: 8, useCase: 'Scavenger/Bulk' },
        { name: 'CS0/BE', decimal: 0, useCase: 'Best effort' }
    ];

    // Generate ToS Byte Display
    function generateToSByteDisplay(decimal) {
        // Create 8-bit ToS byte with DSCP in bits 7-2, ECN in bits 1-0
        const binary6bit = decimal.toString(2).padStart(6, '0');
        const binary8bit = binary6bit + '00'; // Assume ECN bits = 00

        // Extract IP Precedence (bits 7-5)
        const ipPrecedence = parseInt(binary8bit.substring(0, 3), 2);

        return {
            tosFullByte: binary8bit,
            dscpBits: binary6bit,
            ecnBits: '00',
            ipPrecedence: ipPrecedence
        };
    }

    // Pathway selection functions
    function selectPathway(pathway) {
        const gettingStarted = document.getElementById('gettingStarted');
        const converterToggle = document.getElementById('converterToggle');
        const tabsContainer = document.querySelector('.tabs');

        // Hide getting started
        gettingStarted.style.display = 'none';

        if (pathway === 'template') {
            // Show template selector and policy designer tab
            tabsContainer.classList.add('show');
            switchTab('policy');
            // Scroll to template selector
            setTimeout(() => {
                document.getElementById('templateSelect').scrollIntoView({ behavior: 'smooth', block: 'start' });
            }, 100);
        } else if (pathway === 'converter') {
            // Show DSCP converter
            converterToggle.style.display = 'flex';
            toggleConverter();
        } else if (pathway === 'design') {
            // Show tabs and go to policy designer
            tabsContainer.classList.add('show');
            converterToggle.style.display = 'flex';
            switchTab('policy');
        }
    }

    function toggleConverter() {
        const content = document.getElementById('converterContent');
        const toggle = document.getElementById('converterToggle');
        const icon = document.getElementById('toggleIcon');

        const isOpen = content.classList.contains('show');

        if (isOpen) {
            content.classList.remove('show');
            icon.classList.remove('open');
            toggle.setAttribute('aria-expanded', 'false');
        } else {
            content.classList.add('show');
            icon.classList.add('open');
            toggle.setAttribute('aria-expanded', 'true');
        }
    }

    // Initialize
    function init() {
        populateDSCPSelect();
        populateReferenceTable();
        setupEventListeners();
        updateDSCPDisplay();
        addTrafficClass(); // Add one default class
    }

    // Populate DSCP select dropdown
    function populateDSCPSelect() {
        const select = document.getElementById('dscpName');
        dscpStandards.forEach(dscp => {
            const option = document.createElement('option');
            option.value = dscp.decimal;
            option.textContent = `${dscp.name} (${dscp.decimal})`;
            select.appendChild(option);
        });
    }

    // Populate reference table
    function populateReferenceTable() {
        const tbody = document.getElementById('referenceTable');
        dscpStandards.forEach((dscp, index) => {
            const binary = dscp.decimal.toString(2).padStart(6, '0');
            const hex = '0x' + dscp.decimal.toString(16).toUpperCase().padStart(2, '0');
            const row = tbody.insertRow();
            row.style.background = index % 2 === 0 ? '#f8f9fa' : 'white';
            row.innerHTML = `
                <td style="padding: 10px; font-weight: bold;">${dscp.name}</td>
                <td style="padding: 10px; font-family: 'Courier New', monospace;">${dscp.decimal}</td>
                <td style="padding: 10px; font-family: 'Courier New', monospace;">${hex}</td>
                <td style="padding: 10px; font-family: 'Courier New', monospace;">${binary}</td>
                <td style="padding: 10px;">${dscp.useCase}</td>
            `;
        });
    }

    // Setup event listeners
    function setupEventListeners() {
        // DSCP converter inputs
        document.getElementById('dscpDecimal').addEventListener('input', () => {
            const val = parseInt(document.getElementById('dscpDecimal').value) || 0;
            setDSCP(Math.max(0, Math.min(63, val)));
        });

        document.getElementById('dscpHex').addEventListener('input', () => {
            const val = document.getElementById('dscpHex').value.replace('0x', '').replace('0X', '');
            if (val === '') return;

            // Validate hex format
            if (!/^[0-9A-Fa-f]{1,2}$/.test(val)) {
                return; // Silently skip invalid, let HTML5 validation handle
            }

            const decimal = parseInt(val, 16);
            if (decimal >= 0 && decimal <= 63) {
                setDSCP(decimal);
            }
        });

        document.getElementById('dscpBinary').addEventListener('input', () => {
            const val = document.getElementById('dscpBinary').value;
            if (val === '') return;

            // Validate binary format
            if (!/^[01]{1,6}$/.test(val)) {
                // Show error message
                const errorMsg = document.getElementById('conversionError') ||
                    (function() {
                        const div = document.createElement('div');
                        div.id = 'conversionError';
                        div.style.cssText = 'color: #c62828; font-size: 13px; margin-top: 8px; padding: 8px; background: #ffebee; border-radius: 4px;';
                        document.getElementById('converterContent').insertBefore(div, document.getElementById('dscpInfo'));
                        return div;
                    })();

                errorMsg.textContent = 'Binary must be 1-6 digits containing only 0s and 1s (e.g., 101110)';
                errorMsg.style.display = 'block';
                return;
            }

            // Clear error
            const errorMsg = document.getElementById('conversionError');
            if (errorMsg) errorMsg.style.display = 'none';

            // Pad to 6 bits and convert
            const padded = val.padStart(6, '0');
            const decimal = parseInt(padded, 2);
            setDSCP(decimal);
        });

        document.getElementById('dscpName').addEventListener('change', (e) => {
            if (e.target.value) {
                setDSCP(parseInt(e.target.value));
            }
        });

        // Tab switching
        document.querySelectorAll('.tab').forEach(tab => {
            tab.addEventListener('click', (e) => {
                const targetTab = e.target.dataset.tab;
                switchTab(targetTab);
            });
        });

        // Policy designer
        document.getElementById('addClass').addEventListener('click', addTrafficClass);
        document.getElementById('linkSpeed').addEventListener('input', updateBandwidthDisplay);

        // Config generator
        document.querySelectorAll('.vendor-btn').forEach(btn => {
            btn.addEventListener('click', (e) => {
                document.querySelectorAll('.vendor-btn').forEach(b => b.classList.remove('active'));
                e.target.classList.add('active');
                selectedVendor = e.target.dataset.vendor;
            });
        });

        document.getElementById('generateConfig').addEventListener('click', generateConfiguration);
    }

    // Set DSCP value and update all fields
    function setDSCP(decimal) {
        decimal = Math.max(0, Math.min(63, decimal));

        document.getElementById('dscpDecimal').value = decimal;
        document.getElementById('dscpHex').value = '0x' + decimal.toString(16).toUpperCase().padStart(2, '0');
        document.getElementById('dscpBinary').value = decimal.toString(2).padStart(6, '0');

        // Find matching standard name
        const match = dscpStandards.find(d => d.decimal === decimal);
        if (match) {
            document.getElementById('dscpName').value = decimal;
            document.getElementById('currentValue').textContent = `DSCP ${decimal} (${match.name})`;
            document.getElementById('useCase').textContent = match.useCase;
        } else {
            document.getElementById('dscpName').value = '';
            document.getElementById('currentValue').textContent = `DSCP ${decimal} (Custom)`;
            document.getElementById('useCase').textContent = 'Custom DSCP value';
        }

        // Update ToS byte display
        const tosInfo = generateToSByteDisplay(decimal);
        document.getElementById('tosDisplayDscp').textContent = tosInfo.dscpBits;
        document.getElementById('tosDisplayDscpDec').textContent = decimal;
        document.getElementById('tosDisplayEcn').textContent = tosInfo.ecnBits;
        document.getElementById('tosDisplayIpp').textContent = tosInfo.ipPrecedence + ' (Legacy IPP)';
    }

    // Update DSCP display
    function updateDSCPDisplay() {
        setDSCP(46); // Default to EF
    }

    // Switch tab
    function switchTab(tabName) {
        document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
        document.querySelectorAll('.tab-content').forEach(c => c.classList.remove('active'));

        document.querySelector(`.tab[data-tab="${tabName}"]`).classList.add('active');
        document.getElementById(tabName).classList.add('active');
    }

    // Add traffic class
    function addTrafficClass() {
        const id = Date.now();
        trafficClassesData.push({
            id: id,
            name: `Class ${trafficClassesData.length + 1}`,
            dscp: 0,
            bandwidth: 10
        });

        renderTrafficClasses();
        updateBandwidthDisplay();
    }

    // Render traffic classes
    function renderTrafficClasses() {
        const container = document.getElementById('trafficClasses');
        container.innerHTML = trafficClassesData.map(tc => `
            <div class="traffic-class">
                <div class="traffic-class-header">
                    <input type="text" value="${tc.name}" onchange="updateClass(${tc.id}, 'name', this.value)" placeholder="Class Name">
                    <select onchange="updateClass(${tc.id}, 'dscp', this.value)">
                        ${dscpStandards.map(d => `
                            <option value="${d.decimal}" ${tc.dscp == d.decimal ? 'selected' : ''}>${d.name} (${d.decimal})</option>
                        `).join('')}
                    </select>
                    <input type="number" value="${tc.bandwidth}" onchange="updateClass(${tc.id}, 'bandwidth', this.value)" placeholder="%" min="0" max="100" style="width: 100px;">
                    <button class="remove-class-btn" onclick="removeClass(${tc.id})">Remove</button>
                </div>
            </div>
        `).join('');
    }

    // Update traffic class
    function updateClass(id, field, value) {
        const tc = trafficClassesData.find(t => t.id === id);
        if (tc) {
            tc[field] = field === 'bandwidth' || field === 'dscp' ? parseFloat(value) : value;
            updateBandwidthDisplay();
        }
    }

    // Remove traffic class
    function removeClass(id) {
        trafficClassesData = trafficClassesData.filter(t => t.id !== id);
        renderTrafficClasses();
        updateBandwidthDisplay();
    }

    // Update bandwidth display
    function updateBandwidthDisplay() {
        if (trafficClassesData.length === 0) {
            document.getElementById('bandwidthSummary').style.display = 'none';
            return;
        }

        document.getElementById('bandwidthSummary').style.display = 'block';

        const linkSpeed = parseFloat(document.getElementById('linkSpeed').value) || 1000;
        const totalPercent = trafficClassesData.reduce((sum, tc) => sum + tc.bandwidth, 0);
        const totalMbps = (totalPercent / 100) * linkSpeed;
        const remaining = linkSpeed - totalMbps;
        const remainingPercent = 100 - totalPercent;

        // Update displays
        document.getElementById('totalPercent').textContent = totalPercent.toFixed(1);
        document.getElementById('totalAllocated').textContent = `${totalMbps.toFixed(0)} Mbps (${totalPercent.toFixed(1)}%)`;
        document.getElementById('remaining').textContent = `${remaining.toFixed(0)} Mbps (${remainingPercent.toFixed(1)}%)`;

        // Show/hide warnings
        if (totalPercent > 100) {
            document.getElementById('totalWarning').classList.remove('hidden');
            document.getElementById('totalSuccess').classList.add('hidden');
        } else {
            document.getElementById('totalWarning').classList.add('hidden');
            document.getElementById('totalSuccess').classList.remove('hidden');
        }

        // Update bandwidth bar
        const bar = document.getElementById('bandwidthBar');
        const colors = ['#667eea', '#4CAF50', '#ffc107', '#17a2b8', '#e83e8c', '#fd7e14'];
        bar.innerHTML = trafficClassesData.map((tc, i) => `
            <div class="bandwidth-segment" style="width: ${tc.bandwidth}%; background: ${colors[i % colors.length]};">
                ${tc.bandwidth}%
            </div>
        `).join('');

        // Update latency calculator
        updateLatencyCalculator();
    }

    // Update latency calculator
    function updateLatencyCalculator() {
        if (trafficClassesData.length === 0) {
            document.getElementById('latencyCalculator').style.display = 'none';
            return;
        }

        document.getElementById('latencyCalculator').style.display = 'block';
        renderLatencyClasses();
    }

    // Render latency classes
    function renderLatencyClasses() {
        const container = document.getElementById('latencyClasses');

        // Default packet sizes for common traffic types (in bytes)
        const packetSizes = {
            46: 200,   // EF - Voice (small packets)
            34: 1500,  // AF41 - Video
            26: 1500,  // AF31 - Streaming
            24: 200,   // CS3 - Signaling (small packets)
            18: 1500,  // AF21 - High Data
            10: 1500,  // AF11 - Medium Data
            0: 1500    // BE - Best Effort
        };

        container.innerHTML = trafficClassesData.map((tc, i) => {
            // Initialize queue depth if not set
            if (!tc.queueDepth) tc.queueDepth = 10;

            const packetSize = packetSizes[tc.dscp] || 1500;
            const linkSpeed = parseFloat(document.getElementById('linkSpeed').value) || 1000;

            // Calculate latency: (Queue Depth × Packet Size × 8 bits/byte) / (Link Speed in Mbps × 1,000,000)
            const latencyMs = (tc.queueDepth * packetSize * 8) / (linkSpeed * 1000);

            // Determine color based on thresholds
            let latencyClass = 'good';
            let threshold = 'Good';
            if (tc.dscp === 46) { // Voice
                if (latencyMs > 20) {
                    latencyClass = 'critical';
                    threshold = 'Critical (>20ms for voice)';
                } else if (latencyMs > 10) {
                    latencyClass = 'warning';
                    threshold = 'Warning (>10ms for voice)';
                } else {
                    threshold = 'Good (<10ms for voice)';
                }
            } else if (tc.dscp >= 26 && tc.dscp <= 38) { // Video
                if (latencyMs > 50) {
                    latencyClass = 'critical';
                    threshold = 'Critical (>50ms for video)';
                } else if (latencyMs > 30) {
                    latencyClass = 'warning';
                    threshold = 'Warning (>30ms for video)';
                } else {
                    threshold = 'Good (<30ms for video)';
                }
            } else { // Data
                if (latencyMs > 100) {
                    latencyClass = 'warning';
                    threshold = 'High latency (>100ms)';
                } else {
                    threshold = 'Acceptable';
                }
            }

            // Add status icon based on latency class
            let statusIcon = '✓';
            if (latencyClass === 'critical') statusIcon = '✗';
            else if (latencyClass === 'warning') statusIcon = '⚠';

            return `
                <div class="latency-class">
                    <div class="latency-class-header">
                        <div class="latency-class-name">${tc.name}</div>
                        <div class="latency-result ${latencyClass}" id="latency-${tc.id}">
                            ${statusIcon} ${latencyMs.toFixed(2)} ms
                        </div>
                    </div>
                    <div class="slider-container">
                        <div class="slider-label">
                            <span>Queue Depth (packets):</span>
                            <span id="queueDepth-${tc.id}">${tc.queueDepth}</span>
                        </div>
                        <input
                            type="range"
                            class="slider-input"
                            min="1"
                            max="100"
                            value="${tc.queueDepth}"
                            oninput="updateQueueDepth(${tc.id}, this.value)"
                            aria-label="Adjust queue depth for ${tc.name}"
                        >
                    </div>
                    <div class="latency-details">
                        <strong>Status:</strong> ${statusIcon} ${threshold}<br>
                        <strong>Packet Size:</strong> ${packetSize} bytes<br>
                        <strong>Calculation:</strong> (${tc.queueDepth} packets × ${packetSize} bytes × 8 bits) / (${linkSpeed} Mbps × 1,000,000) = ${latencyMs.toFixed(2)} ms
                    </div>
                </div>
            `;
        }).join('');
    }

    // Update queue depth for latency calculation
    function updateQueueDepth(id, depth) {
        const tc = trafficClassesData.find(t => t.id === id);
        if (tc) {
            tc.queueDepth = parseInt(depth);
            document.getElementById('queueDepth-' + id).textContent = depth;
            renderLatencyClasses();
        }
    }

    // Generate configuration
    function generateConfiguration() {
        if (trafficClassesData.length === 0) {
            alert('Please add at least one traffic class in the Policy Designer tab.');
            return;
        }

        const config = generateConfigForVendor(selectedVendor);
        document.getElementById('configText').innerHTML = config;
        document.getElementById('configOutput').classList.remove('hidden');
    }

    // Generate vendor-specific config
    function generateConfigForVendor(vendor) {
        let config = '';

        if (vendor === 'cisco-ios') {
            config = `! Cisco IOS/IOS-XE QoS Configuration\n!\n`;

            // Class maps
            trafficClassesData.forEach(tc => {
                config += `class-map match-any ${tc.name.replace(/ /g, '-')}\n`;
                config += ` match dscp ${tc.dscp}\n!\n`;
            });

            // Policy map
            config += `policy-map QOS-POLICY\n`;
            trafficClassesData.forEach(tc => {
                config += ` class ${tc.name.replace(/ /g, '-')}\n`;
                config += `  bandwidth percent ${tc.bandwidth}\n`;
            });
            config += `!\n! Apply to interface\ninterface GigabitEthernet0/0\n service-policy output QOS-POLICY\n`;

        } else if (vendor === 'cisco-nxos') {
            config = `! Cisco NXOS QoS Configuration\n!\n`;
            trafficClassesData.forEach(tc => {
                config += `class-map type qos match-all ${tc.name.replace(/ /g, '-')}\n`;
                config += ` match dscp ${tc.dscp}\n!\n`;
            });

            config += `policy-map type qos QOS-POLICY\n`;
            trafficClassesData.forEach(tc => {
                config += ` class ${tc.name.replace(/ /g, '-')}\n`;
                config += `  bandwidth percent ${tc.bandwidth}\n`;
            });
            config += `!\n! Apply to interface\ninterface Ethernet1/1\n service-policy type qos output QOS-POLICY\n`;

        } else if (vendor === 'juniper') {
            config = `# Juniper JunOS QoS Configuration\n#\n`;
            config += `set class-of-service classifiers dscp QOS-CLASSIFIER {\n`;
            trafficClassesData.forEach((tc, i) => {
                config += `  forwarding-class ${tc.name.replace(/ /g, '-')} {\n`;
                config += `    loss-priority low code-points ${tc.dscp}\n`;
                config += `  }\n`;
            });
            config += `}\n`;

        } else if (vendor === 'arista') {
            config = `! Arista EOS QoS Configuration\n!\n`;
            trafficClassesData.forEach(tc => {
                config += `class-map type qos match-any ${tc.name.replace(/ /g, '-')}\n`;
                config += ` match dscp ${tc.dscp}\n!\n`;
            });

        } else if (vendor === 'aruba') {
            config = `! Aruba AOS-CX QoS Configuration\n!\n`;
            trafficClassesData.forEach(tc => {
                config += `qos dscp-map ${tc.name.replace(/ /g, '-')} code-point ${tc.dscp} local-priority ${Math.min(7, Math.floor(tc.dscp / 8))}\n`;
            });
        }

        return config;
    }

    // Copy config to clipboard
    function copyConfig() {
        const text = document.getElementById('configText').textContent;
        navigator.clipboard.writeText(text).then(() => {
            alert('Configuration copied to clipboard!');
        });
    }

    // Policy Templates (P0 Feature)
    const policyTemplates = {
        healthcare: {
            name: "Healthcare (Voice-Critical)",
            classes: [
                { name: "Voice (VoIP)", dscp: 46, bandwidth: 30 },
                { name: "Medical Imaging", dscp: 34, bandwidth: 25 },
                { name: "EMR Data", dscp: 18, bandwidth: 20 },
                { name: "Best Effort", dscp: 0, bandwidth: 25 }
            ]
        },
        education: {
            name: "Education (Video-Heavy)",
            classes: [
                { name: "Video Conferencing", dscp: 34, bandwidth: 40 },
                { name: "Voice", dscp: 46, bandwidth: 15 },
                { name: "Learning Apps", dscp: 18, bandwidth: 25 },
                { name: "Best Effort", dscp: 0, bandwidth: 20 }
            ]
        },
        enterprise: {
            name: "Enterprise (Balanced)",
            classes: [
                { name: "Voice", dscp: 46, bandwidth: 20 },
                { name: "Video", dscp: 34, bandwidth: 25 },
                { name: "Business Critical", dscp: 26, bandwidth: 25 },
                { name: "Best Effort", dscp: 0, bandwidth: 30 }
            ]
        },
        retail: {
            name: "Retail (Guest + Corporate)",
            classes: [
                { name: "POS Systems", dscp: 34, bandwidth: 30 },
                { name: "Corporate Voice", dscp: 46, bandwidth: 15 },
                { name: "Corporate Data", dscp: 18, bandwidth: 25 },
                { name: "Guest WiFi", dscp: 0, bandwidth: 30 }
            ]
        },
        datacenter: {
            name: "Data Center (East-West)",
            classes: [
                { name: "Storage Replication", dscp: 26, bandwidth: 35 },
                { name: "Database", dscp: 18, bandwidth: 30 },
                { name: "Application", dscp: 10, bandwidth: 25 },
                { name: "Best Effort", dscp: 0, bandwidth: 10 }
            ]
        }
    };

    function loadTemplate(templateKey) {
        if (!templateKey) return;

        const template = policyTemplates[templateKey];
        if (!template) return;

        // Clear existing classes
        trafficClassesData = [];

        // Load template classes
        template.classes.forEach(tc => {
            trafficClassesData.push({
                id: Date.now() + Math.random(),
                name: tc.name,
                dscp: tc.dscp,
                bandwidth: tc.bandwidth,
                queueDepth: 10 // Default queue depth
            });
        });

        // Update displays
        renderTrafficClasses();
        updateBandwidthDisplay();

        // Reset template selector
        document.getElementById('templateSelect').value = '';

        // Show success message
        const alert = document.createElement('div');
        alert.className = 'alert alert-success fade-in';
        alert.innerHTML = `<strong>✓ Template Loaded:</strong> ${template.name} policy applied successfully.`;
        alert.style.marginTop = '15px';

        const templateSelect = document.getElementById('templateSelect').parentElement;
        templateSelect.appendChild(alert);

        setTimeout(() => {
            alert.remove();
        }, 3000);
    }

    // Session Management (P0 Feature)
    let sessionManager;

    function initializeSessionManagement() {
        sessionManager = new SessionManager('qos-calculator');

        // Check for previous session
        const savedData = sessionManager.promptRestore();

        // Start auto-save
        sessionManager.startAutoSave(() => {
            return {
                linkSpeed: document.getElementById('linkSpeed').value,
                trafficClasses: trafficClassesData,
                selectedVendor: selectedVendor
            };
        });
    }

    function restoreSession() {
        const data = sessionManager.load();
        if (data) {
            if (data.linkSpeed) {
                document.getElementById('linkSpeed').value = data.linkSpeed;
            }

            if (data.trafficClasses && data.trafficClasses.length > 0) {
                trafficClassesData = data.trafficClasses;
                renderTrafficClasses();
                updateBandwidthDisplay();
            }

            if (data.selectedVendor) {
                selectedVendor = data.selectedVendor;
                document.querySelectorAll('.vendor-btn').forEach(btn => {
                    if (btn.dataset.vendor === selectedVendor) {
                        btn.classList.add('active');
                    } else {
                        btn.classList.remove('active');
                    }
                });
            }

            document.getElementById('restoreBanner').style.display = 'none';
        }
    }

    function dismissRestore() {
        document.getElementById('restoreBanner').style.display = 'none';
    }

    function clearSession() {
        if (confirm('Clear all saved data?')) {
            sessionManager.clear();
            document.getElementById('linkSpeed').value = 1000;
            trafficClassesData = [];
            renderTrafficClasses();
            updateBandwidthDisplay();
        }
    }

    function formatNumber(num) {
        return num.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',');
    }

    function animateCards(containerSelector, delay) {
        const cards = document.querySelectorAll(`${containerSelector} .result-card, ${containerSelector} .latency-class`);
        cards.forEach((card, index) => {
            setTimeout(() => {
                card.classList.add('fade-in');
            }, index * delay);
        });
    }

    // Initialize on load
    init();

    // Load common utilities after DOM is ready
    const commonScript = document.createElement('script');
    commonScript.src = '/assets/js/tools-common.js';
    commonScript.onload = () => {
        initializeSessionManagement();
    };
    document.head.appendChild(commonScript);
    </script></body>