{% extends 'base.html.twig' %}
{% trans_default_domain 'Playground' %}

{% block title %}{{ 'title'|trans }} - Shamra Academia{% endblock %}

{% block stylesheets %}
    {{ parent() }}
    <link href="https://fonts.googleapis.com/css2?family=Tajawal:wght@400;500;700&family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
    <style>
        :root {
            --playground-primary: #ff8600;
            --playground-primary-dark: #e67700;
            --playground-secondary: #1a1a2e;
            --playground-bg: #f8f9fa;
            --playground-card-bg: #ffffff;
            --playground-border: #e9ecef;
            --playground-text: #212529;
            --playground-text-muted: #6c757d;
            --playground-success: #28a745;
            --playground-danger: #dc3545;
            --playground-chat-user: #e3f2fd;
            --playground-chat-ai: #fff3e0;
        }

        html[dir="rtl"] {
            font-family: 'Tajawal', sans-serif;
        }
        html[dir="ltr"] {
            font-family: 'Inter', sans-serif;
        }

        body {
            background-color: var(--playground-bg);
        }

        .playground-container {
            display: flex;
            height: calc(100vh - 60px);
            overflow: hidden;
        }

        /* Sidebar */
        .playground-sidebar {
            width: 280px;
            background: var(--playground-card-bg);
            border-inline-end: 1px solid var(--playground-border);
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease;
        }

        .playground-sidebar.collapsed {
            transform: translateX(-100%);
            position: absolute;
            z-index: 1000;
            height: 100%;
        }

        html[dir="rtl"] .playground-sidebar.collapsed {
            transform: translateX(100%);
        }

        .sidebar-header {
            padding: 1rem;
            border-bottom: 1px solid var(--playground-border);
        }

        .sidebar-projects {
            flex: 1;
            overflow-y: auto;
            padding: 0.5rem;
        }

        .project-item {
            padding: 0.75rem 1rem;
            border-radius: 8px;
            cursor: pointer;
            margin-bottom: 0.25rem;
            transition: background-color 0.2s;
        }

        .project-item:hover {
            background-color: var(--playground-bg);
        }

        .project-item.active {
            background-color: var(--playground-primary);
            color: white;
        }

        .project-title {
            font-weight: 500;
            margin-bottom: 0.25rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .project-date {
            font-size: 0.75rem;
            color: var(--playground-text-muted);
        }

        .project-item.active .project-date {
            color: rgba(255,255,255,0.8);
        }

        /* Main Content Area */
        .playground-main {
            flex: 1;
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        .playground-toolbar {
            padding: 0.75rem 1rem;
            background: var(--playground-card-bg);
            border-bottom: 1px solid var(--playground-border);
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .toolbar-title {
            flex: 1;
            min-width: 200px;
        }

        .toolbar-title input {
            border: none;
            font-size: 1.25rem;
            font-weight: 600;
            width: 100%;
            background: transparent;
            color: var(--playground-text);
        }

        .toolbar-title input:focus {
            outline: none;
            border-bottom: 2px solid var(--playground-primary);
        }

        .toolbar-actions {
            display: flex;
            gap: 0.5rem;
            align-items: center;
        }

        .save-indicator {
            font-size: 0.875rem;
            color: var(--playground-text-muted);
        }

        .save-indicator.saving {
            color: var(--playground-primary);
        }

        .save-indicator.saved {
            color: var(--playground-success);
        }

        /* Keywords Area */
        .keywords-area {
            padding: 0.75rem 1rem;
            background: var(--playground-card-bg);
            border-bottom: 1px solid var(--playground-border);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .keyword-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.75rem;
            background: #e3f2fd;
            border-radius: 16px;
            font-size: 0.875rem;
            gap: 0.5rem;
        }

        .keyword-tag .remove-keyword {
            cursor: pointer;
            opacity: 0.7;
            transition: opacity 0.2s;
        }

        .keyword-tag .remove-keyword:hover {
            opacity: 1;
        }

        .add-keyword-btn, .suggest-keywords-btn {
            padding: 0.25rem 0.75rem;
            border: 1px dashed var(--playground-border);
            border-radius: 16px;
            background: transparent;
            cursor: pointer;
            font-size: 0.875rem;
            transition: all 0.2s;
        }

        .add-keyword-btn:hover, .suggest-keywords-btn:hover {
            border-color: var(--playground-primary);
            color: var(--playground-primary);
        }

        /* Content Area */
        .playground-content {
            flex: 1;
            display: flex;
            overflow: hidden;
        }

        /* Canvas / Editor */
        .canvas-area {
            flex: 1;
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        .editor-container {
            flex: 1;
            padding: 1.5rem;
            overflow-y: auto;
            background: var(--playground-card-bg);
        }

        .editor-content {
            max-width: 800px;
            margin: 0 auto;
            min-height: 100%;
            line-height: 1.8;
            font-size: 1.125rem;
        }

        .editor-content:focus {
            outline: none;
        }

        .editor-content:empty:before {
            content: attr(data-placeholder);
            color: var(--playground-text-muted);
            pointer-events: none;
        }

        /* Medium-style typography */
        .editor-content h1 {
            font-size: 2.25rem;
            font-weight: 700;
            margin: 1.5rem 0 1rem;
            line-height: 1.3;
        }

        .editor-content h2 {
            font-size: 1.75rem;
            font-weight: 600;
            margin: 1.25rem 0 0.75rem;
            line-height: 1.4;
        }

        .editor-content h3 {
            font-size: 1.375rem;
            font-weight: 600;
            margin: 1rem 0 0.5rem;
            line-height: 1.4;
        }

        .editor-content p {
            margin: 0 0 1rem;
        }

        .editor-content blockquote {
            border-inline-start: 4px solid var(--playground-primary);
            padding-inline-start: 1.5rem;
            margin: 1.5rem 0;
            font-style: italic;
            color: var(--playground-text-muted);
            font-size: 1.25rem;
        }

        .editor-content ul, .editor-content ol {
            margin: 1rem 0;
            padding-inline-start: 2rem;
        }

        .editor-content li {
            margin: 0.5rem 0;
        }

        .editor-content a {
            color: var(--playground-primary);
            text-decoration: underline;
        }

        .editor-content img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 1.5rem 0;
            display: block;
        }

        .editor-content figure {
            margin: 1.5rem 0;
            text-align: center;
        }

        .editor-content figcaption {
            font-size: 0.875rem;
            color: var(--playground-text-muted);
            margin-top: 0.5rem;
        }

        .editor-content pre {
            background: #f4f4f4;
            padding: 1rem;
            border-radius: 8px;
            overflow-x: auto;
            font-family: 'Fira Code', 'Consolas', monospace;
            font-size: 0.875rem;
        }

        .editor-content code {
            background: #f4f4f4;
            padding: 0.2rem 0.4rem;
            border-radius: 4px;
            font-family: 'Fira Code', 'Consolas', monospace;
            font-size: 0.875em;
        }

        .editor-placeholder {
            color: var(--playground-text-muted);
        }

        /* Chat Panel */
        .chat-panel {
            width: 380px;
            background: var(--playground-card-bg);
            border-inline-start: 1px solid var(--playground-border);
            display: flex;
            flex-direction: column;
            transition: width 0.3s ease;
        }

        .chat-panel.collapsed {
            width: 0;
            overflow: hidden;
        }

        .chat-header {
            padding: 1rem;
            border-bottom: 1px solid var(--playground-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .chat-header h3 {
            margin: 0;
            font-size: 1rem;
            font-weight: 600;
        }

        .source-toggles {
            display: flex;
            gap: 0.5rem;
            padding: 0.5rem 1rem;
            border-bottom: 1px solid var(--playground-border);
            flex-wrap: wrap;
        }

        .source-toggle {
            padding: 0.25rem 0.75rem;
            border: 1px solid var(--playground-border);
            border-radius: 16px;
            font-size: 0.75rem;
            cursor: pointer;
            transition: all 0.2s;
            background: transparent;
        }

        .source-toggle.active {
            background: var(--playground-primary);
            color: white;
            border-color: var(--playground-primary);
        }

        .chat-messages {
            flex: 1;
            overflow-y: auto;
            padding: 1rem;
        }

        .chat-message {
            margin-bottom: 1rem;
            display: flex;
            flex-direction: column;
        }

        .chat-message.user {
            align-items: flex-end;
        }

        .chat-message.assistant {
            align-items: flex-start;
        }

        .message-bubble {
            max-width: 85%;
            padding: 0.75rem 1rem;
            border-radius: 12px;
            line-height: 1.5;
        }

        .chat-message.user .message-bubble {
            background: var(--playground-chat-user);
            border-bottom-right-radius: 4px;
        }

        html[dir="rtl"] .chat-message.user .message-bubble {
            border-bottom-right-radius: 12px;
            border-bottom-left-radius: 4px;
        }

        .chat-message.assistant .message-bubble {
            background: var(--playground-chat-ai);
            border-bottom-left-radius: 4px;
        }

        html[dir="rtl"] .chat-message.assistant .message-bubble {
            border-bottom-left-radius: 12px;
            border-bottom-right-radius: 4px;
        }

        .chat-input-area {
            padding: 1rem;
            border-top: 1px solid var(--playground-border);
        }

        .chat-input-wrapper {
            display: flex;
            gap: 0.5rem;
        }

        .chat-input {
            flex: 1;
            padding: 0.75rem 1rem;
            border: 1px solid var(--playground-border);
            border-radius: 24px;
            resize: none;
            font-family: inherit;
            font-size: 0.875rem;
        }

        .chat-input:focus {
            outline: none;
            border-color: var(--playground-primary);
        }

        .chat-send-btn {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: none;
            background: var(--playground-primary);
            color: white;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background-color 0.2s;
        }

        .chat-send-btn:hover {
            background: var(--playground-primary-dark);
        }

        .chat-send-btn:disabled {
            background: var(--playground-border);
            cursor: not-allowed;
        }

        /* Selection Popup */
        .selection-popup {
            position: absolute;
            background: var(--playground-card-bg);
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            padding: 0.5rem;
            display: none;
            z-index: 1000;
        }

        .selection-popup.visible {
            display: flex;
            gap: 0.25rem;
        }

        .selection-popup button {
            padding: 0.5rem 0.75rem;
            border: none;
            background: transparent;
            cursor: pointer;
            border-radius: 4px;
            font-size: 0.875rem;
            transition: background-color 0.2s;
        }

        .selection-popup button:hover {
            background: var(--playground-bg);
        }

        /* Translation Panel */
        .translation-panel {
            display: none;
            flex: 1;
            padding: 1rem;
        }

        .translation-panel.active {
            display: flex;
            gap: 1rem;
        }

        .translation-pane {
            flex: 1;
            display: flex;
            flex-direction: column;
            background: var(--playground-card-bg);
            border-radius: 8px;
            overflow: hidden;
        }

        .pane-header {
            padding: 0.75rem 1rem;
            border-bottom: 1px solid var(--playground-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .pane-content {
            flex: 1;
            padding: 1rem;
        }

        .pane-content textarea {
            width: 100%;
            height: 100%;
            border: none;
            resize: none;
            font-family: inherit;
            font-size: 1rem;
            line-height: 1.6;
        }

        .pane-content textarea:focus {
            outline: none;
        }

        /* Buttons */
        .btn-primary {
            background: var(--playground-primary);
            color: white;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 500;
            transition: background-color 0.2s;
        }

        .btn-primary:hover {
            background: var(--playground-primary-dark);
        }

        .btn-secondary {
            background: transparent;
            color: var(--playground-text);
            border: 1px solid var(--playground-border);
            padding: 0.5rem 1rem;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.2s;
        }

        .btn-secondary:hover {
            border-color: var(--playground-primary);
            color: var(--playground-primary);
        }

        .btn-icon {
            width: 36px;
            height: 36px;
            border: none;
            background: transparent;
            cursor: pointer;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background-color 0.2s;
        }

        .btn-icon:hover {
            background: var(--playground-bg);
        }

        .btn-save {
            background: var(--playground-primary);
            color: white;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 500;
            font-size: 0.875rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.2s;
        }

        .btn-save:hover {
            background: var(--playground-primary-dark);
        }

        .btn-save:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }

        .last-saved-time {
            color: var(--playground-text-muted);
            font-size: 0.75rem;
        }

        /* Medium-style Editor Toolbar */
        .editor-toolbar {
            background: #f8f9fa;
            border: 1px solid #e9ecef;
            border-radius: 8px;
            padding: 0.5rem 1rem;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: wrap;
        }

        .editor-toolbar button {
            width: 36px;
            height: 36px;
            border: 1px solid #dee2e6;
            background: #ffffff;
            color: #495057;
            cursor: pointer;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.875rem;
            transition: all 0.15s;
        }

        .editor-toolbar button:hover {
            background: #e9ecef;
            border-color: #adb5bd;
        }

        .editor-toolbar button.active {
            background: var(--playground-primary);
            color: #ffffff;
            border-color: var(--playground-primary);
        }

        .editor-toolbar .toolbar-divider {
            width: 1px;
            height: 24px;
            background: #dee2e6;
            margin: 0 0.5rem;
        }

        .editor-toolbar .toolbar-group {
            display: flex;
            gap: 0.25rem;
        }

        /* View Tabs */
        .view-tabs {
            display: flex;
            gap: 0.5rem;
        }

        .view-tab {
            padding: 0.5rem 1rem;
            border: none;
            background: transparent;
            cursor: pointer;
            border-radius: 6px;
            font-weight: 500;
            transition: all 0.2s;
        }

        .view-tab.active {
            background: var(--playground-primary);
            color: white;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .playground-sidebar {
                position: absolute;
                z-index: 1000;
                height: 100%;
                transform: translateX(-100%);
            }
            html[dir="rtl"] .playground-sidebar {
                transform: translateX(100%);
            }
            .playground-sidebar.open {
                transform: translateX(0);
            }
            .chat-panel {
                width: 100%;
                position: absolute;
                right: 0;
                top: 0;
                bottom: 0;
                z-index: 999;
                transform: translateX(100%);
            }
            html[dir="rtl"] .chat-panel {
                right: auto;
                left: 0;
                transform: translateX(-100%);
            }
            .chat-panel.open {
                transform: translateX(0);
            }
        }

        @media (max-width: 768px) {
            .playground-toolbar {
                flex-direction: column;
                align-items: stretch;
            }
            .toolbar-actions {
                justify-content: space-between;
            }
            .keywords-area {
                flex-wrap: wrap;
            }
        }

        /* Loading spinner */
        .loading-spinner {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 2px solid var(--playground-border);
            border-top-color: var(--playground-primary);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        /* Typing indicator */
        .typing-indicator {
            display: flex;
            gap: 4px;
            padding: 0.75rem 1rem;
        }

        .typing-indicator span {
            width: 8px;
            height: 8px;
            background: var(--playground-primary);
            border-radius: 50%;
            animation: bounce 1.4s infinite ease-in-out both;
        }

        .typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
        .typing-indicator span:nth-child(2) { animation-delay: -0.16s; }

        @keyframes bounce {
            0%, 80%, 100% { transform: scale(0); }
            40% { transform: scale(1); }
        }
    </style>
{% endblock %}

{% block body %}
<div id="playground-app">
    <div class="playground-container">
        <!-- Sidebar -->
        <aside class="playground-sidebar" :class="{ 'open': sidebarOpen, 'collapsed': !sidebarOpen && isMobile }">
            <div class="sidebar-header">
                <button class="btn-primary" style="width: 100%;" @click="createNewProject">
                    <i class="fa fa-plus"></i> {{ 'project.new'|trans }}
                </button>
            </div>
            <div class="sidebar-projects">
                <div v-for="project in projects" 
                     :key="project.id" 
                     class="project-item" 
                     :class="{ 'active': currentProject && currentProject.id === project.id }"
                     @click="loadProject(project.id)">
                    <div class="project-title">${ project.title || '{{ 'project.untitled'|trans }}' }</div>
                    <div class="project-date">${ formatDate(project.updatedAt) }</div>
                </div>
                <div v-if="projects.length === 0" class="text-center p-3">
                    <p class="text-muted">{{ 'project.empty_projects'|trans }}</p>
                </div>
            </div>
        </aside>

        <!-- Main Content -->
        <main class="playground-main">
            <!-- Toolbar -->
            <div class="playground-toolbar">
                <button class="btn-icon" @click="toggleSidebar" title="Toggle sidebar">
                    <i class="fa fa-bars"></i>
                </button>
                
                <div class="toolbar-title">
                    <input type="text" 
                           v-model="projectTitle" 
                           @input="onTitleChange"
                           placeholder="{{ 'project.title_placeholder'|trans }}">
                </div>

                <div class="view-tabs">
                    <button class="view-tab" :class="{ 'active': currentView === 'editor' }" @click="currentView = 'editor'">
                        <i class="fa fa-edit"></i> {{ 'canvas.placeholder'|trans|split(' ')|first }}
                    </button>
                    <button class="view-tab" :class="{ 'active': currentView === 'translation' }" @click="currentView = 'translation'">
                        <i class="fa fa-language"></i> {{ 'translation.title'|trans }}
                    </button>
                </div>

                <div class="toolbar-actions">
                    <span class="save-indicator" :class="saveStatus">
                        <span v-if="saveStatus === 'saving'"><i class="fa fa-spinner fa-spin"></i> {{ 'project.saving'|trans }}</span>
                        <span v-else-if="saveStatus === 'saved'"><i class="fa fa-check"></i> {{ 'project.saved'|trans }}</span>
                        <span v-else-if="lastSavedTime" class="last-saved-time">
                            <i class="fa fa-clock"></i> ${ lastSavedTimeFormatted }
                        </span>
                    </span>
                    <button class="btn-save" @click="manualSave" :disabled="saveStatus === 'saving'" title="{{ 'project.save'|trans }}">
                        <i class="fa fa-save"></i> {{ 'project.save'|trans }}
                    </button>
                    <button class="btn-icon" @click="toggleChat" title="Toggle chat">
                        <i class="fa fa-comments"></i>
                    </button>
                    <button class="btn-icon" @click="showProjectSettings" title="Settings">
                        <i class="fa fa-cog"></i>
                    </button>
                </div>
            </div>

            <!-- Keywords -->
            <div class="keywords-area" v-if="currentProject">
                <span class="text-muted" style="font-size: 0.875rem;">{{ 'keywords.title'|trans }}:</span>
                <span v-for="(keyword, index) in keywords" :key="index" class="keyword-tag">
                    ${ keyword }
                    <span class="remove-keyword" @click="removeKeyword(index)">×</span>
                </span>
                <button class="add-keyword-btn" @click="showAddKeyword = true" v-if="!showAddKeyword">
                    <i class="fa fa-plus"></i> {{ 'keywords.add'|trans }}
                </button>
                <input v-if="showAddKeyword" 
                       v-model="newKeyword" 
                       @keyup.enter="addKeyword" 
                       @blur="showAddKeyword = false"
                       placeholder="{{ 'keywords.add_placeholder'|trans }}"
                       ref="keywordInputRef"
                       style="border: 1px solid var(--playground-border); padding: 0.25rem 0.75rem; border-radius: 16px; font-size: 0.875rem;">
                <button class="suggest-keywords-btn" @click="suggestKeywords" :disabled="suggestingKeywords">
                    <span v-if="suggestingKeywords"><i class="fa fa-spinner fa-spin"></i></span>
                    <span v-else><i class="fa fa-magic"></i> {{ 'keywords.suggest'|trans }}</span>
                </button>
            </div>

            <!-- Content Area -->
            <div class="playground-content">
                <!-- Editor View -->
                <div class="canvas-area" v-show="currentView === 'editor'">
                    <!-- Medium-style Formatting Toolbar -->
                    <div class="editor-toolbar" v-if="currentProject" ref="formatToolbar">
                        <button @click="formatText('bold')" :class="{ active: isFormatActive('bold') }" title="Bold (Ctrl+B)">
                            <i class="fa fa-bold"></i>
                        </button>
                        <button @click="formatText('italic')" :class="{ active: isFormatActive('italic') }" title="Italic (Ctrl+I)">
                            <i class="fa fa-italic"></i>
                        </button>
                        <button @click="formatText('underline')" :class="{ active: isFormatActive('underline') }" title="Underline (Ctrl+U)">
                            <i class="fa fa-underline"></i>
                        </button>
                        <span class="toolbar-divider"></span>
                        <button @click="formatBlock('h1')" title="Heading 1">
                            <strong>H1</strong>
                        </button>
                        <button @click="formatBlock('h2')" title="Heading 2">
                            <strong>H2</strong>
                        </button>
                        <button @click="formatBlock('h3')" title="Heading 3">
                            <strong>H3</strong>
                        </button>
                        <span class="toolbar-divider"></span>
                        <button @click="formatText('insertUnorderedList')" title="Bullet List">
                            <i class="fa fa-list-ul"></i>
                        </button>
                        <button @click="formatText('insertOrderedList')" title="Numbered List">
                            <i class="fa fa-list-ol"></i>
                        </button>
                        <button @click="insertBlockquote" title="Quote">
                            <i class="fa fa-quote-right"></i>
                        </button>
                        <span class="toolbar-divider"></span>
                        <button @click="insertLink" title="Insert Link">
                            <i class="fa fa-link"></i>
                        </button>
                        <button @click="triggerImageUpload" title="Insert Image">
                            <i class="fa fa-image"></i>
                        </button>
                        <span class="toolbar-divider"></span>
                        <button @click="alignText('right')" title="{{ 'editor.align_right'|trans|default('Align Right (RTL)') }}">
                            <i class="fa fa-align-right"></i>
                        </button>
                        <button @click="alignText('center')" title="{{ 'editor.align_center'|trans|default('Center') }}">
                            <i class="fa fa-align-center"></i>
                        </button>
                        <button @click="alignText('left')" title="{{ 'editor.align_left'|trans|default('Align Left (LTR)') }}">
                            <i class="fa fa-align-left"></i>
                        </button>
                    </div>
                    
                    <div class="editor-container">
                        <div class="editor-content" 
                             contenteditable="true" 
                             ref="editor"
                             @input="onEditorInput"
                             @mouseup="checkSelection"
                             @keyup="checkSelection"
                             @keydown="handleEditorKeydown"
                             @paste="handlePaste"
                             @focus="onEditorFocus"
                             @blur="onEditorBlur"
                             :data-placeholder="'{{ 'canvas.placeholder'|trans }}'">
                        </div>
                    </div>
                    
                    <!-- Hidden file input for image upload -->
                    <input type="file" 
                           ref="imageInput" 
                           @change="handleImageUpload" 
                           accept="image/*" 
                           style="display: none;">
                </div>

                <!-- Translation View -->
                <div class="translation-panel" :class="{ 'active': currentView === 'translation' }">
                    <div class="translation-pane">
                        <div class="pane-header">
                            <span>{{ 'translation.source'|trans }} (${ sourceLanguage === 'ar' ? 'العربية' : 'English' })</span>
                            <div>
                                <button class="btn-icon" @click="swapLanguages" title="{{ 'translation.swap_languages'|trans }}">
                                    <i class="fa fa-exchange-alt"></i>
                                </button>
                            </div>
                        </div>
                        <div class="pane-content">
                            <textarea v-model="sourceText" 
                                      placeholder="{{ 'translation.source'|trans }}..."
                                      :dir="sourceLanguage === 'ar' ? 'rtl' : 'ltr'"></textarea>
                        </div>
                    </div>
                    <div style="display: flex; flex-direction: column; gap: 0.5rem; padding: 1rem;">
                        <select v-model="translationPersona" class="form-control" style="margin-bottom: 0.5rem;">
                            <option value="general">{{ 'translation.persona.general'|trans }}</option>
                            <option value="scientific">{{ 'translation.persona.scientific'|trans }}</option>
                            <option value="medical">{{ 'translation.persona.medical'|trans }}</option>
                            <option value="legal">{{ 'translation.persona.legal'|trans }}</option>
                            <option value="technical">{{ 'translation.persona.technical'|trans }}</option>
                        </select>
                        <button class="btn-primary" @click="translateText" :disabled="translating || !sourceText">
                            <span v-if="translating"><i class="fa fa-spinner fa-spin"></i></span>
                            <span v-else><i class="fa fa-arrow-right"></i> {{ 'translation.translate'|trans }}</span>
                        </button>
                        <button class="btn-secondary" @click="uploadFile">
                            <i class="fa fa-upload"></i> {{ 'translation.upload_file'|trans }}
                        </button>
                        <input type="file" ref="fileInputRef" @change="handleFileUpload" accept=".pdf,.docx,.txt" style="display: none;">
                    </div>
                    <div class="translation-pane">
                        <div class="pane-header">
                            <span>{{ 'translation.target'|trans }} (${ targetLanguage === 'ar' ? 'العربية' : 'English' })</span>
                            <button class="btn-icon" @click="copyTranslation" title="{{ 'translation.copy'|trans }}">
                                <i class="fa fa-copy"></i>
                            </button>
                        </div>
                        <div class="pane-content">
                            <textarea v-model="targetText" 
                                      placeholder="{{ 'translation.target'|trans }}..."
                                      :dir="targetLanguage === 'ar' ? 'rtl' : 'ltr'"></textarea>
                        </div>
                    </div>
                </div>

                <!-- Chat Panel -->
                <aside class="chat-panel" :class="{ 'collapsed': !chatOpen, 'open': chatOpen && isMobile }">
                    <div class="chat-header">
                        <h3><i class="fa fa-robot"></i> {{ 'chat.title'|trans }}</h3>
                        <div>
                            <button class="btn-icon" @click="clearChat" title="{{ 'chat.clear'|trans }}">
                                <i class="fa fa-trash"></i>
                            </button>
                            <button class="btn-icon" @click="toggleChat" v-if="isMobile">
                                <i class="fa fa-times"></i>
                            </button>
                        </div>
                    </div>
                    <div class="source-toggles">
                        <button class="source-toggle" 
                                :class="{ 'active': activeSources.includes('shamra') }" 
                                @click="toggleSource('shamra')">
                            {{ 'chat.source.shamra'|trans }}
                        </button>
                        <button class="source-toggle" 
                                :class="{ 'active': activeSources.includes('arxiv') }" 
                                @click="toggleSource('arxiv')">
                            {{ 'chat.source.arxiv'|trans }}
                        </button>
                        <button class="source-toggle" 
                                :class="{ 'active': activeSources.includes('web') }" 
                                @click="toggleSource('web')">
                            {{ 'chat.source.web'|trans }}
                        </button>
                    </div>
                    <div class="chat-messages" ref="chatMessagesRef">
                        <div v-if="chatHistory.length === 0" class="text-center p-3">
                            <p class="text-muted" style="white-space: pre-line;">{{ 'chat.welcome'|trans }}</p>
                        </div>
                        <div v-for="(msg, index) in chatHistory" :key="index" class="chat-message" :class="msg.role">
                            <div class="message-bubble" v-html="formatMessage(msg.message)"></div>
                            <div v-if="msg.citations && msg.citations.length > 0" class="citations" style="font-size: 0.75rem; margin-top: 0.5rem;">
                                <div v-for="(cite, i) in msg.citations" :key="i" style="margin-top: 0.25rem;">
                                    <a :href="cite.url" target="_blank" rel="noopener">${ cite.title }</a>
                                    <span class="text-muted">[${ cite.source }]</span>
                                </div>
                            </div>
                        </div>
                        <div v-if="isTyping" class="chat-message assistant">
                            <div class="message-bubble">
                                <div class="typing-indicator">
                                    <span></span>
                                    <span></span>
                                    <span></span>
                                </div>
                            </div>
                        </div>
                    </div>
                    <div class="chat-input-area">
                        <div class="chat-input-wrapper">
                            <textarea class="chat-input" 
                                      v-model="chatMessage" 
                                      @keydown.enter.prevent="sendMessage"
                                      placeholder="{{ 'chat.placeholder'|trans }}"
                                      rows="1"></textarea>
                            <button class="chat-send-btn" @click="sendMessage" :disabled="!chatMessage.trim() || isTyping">
                                <i class="fa fa-paper-plane"></i>
                            </button>
                        </div>
                    </div>
                </aside>
            </div>
        </main>
    </div>

    <!-- Selection Popup -->
    <div class="selection-popup" 
         ref="selectionPopupRef" 
         :class="{ 'visible': showSelectionPopup }"
         :style="{ top: popupPosition.top + 'px', left: popupPosition.left + 'px' }">
        <button @click="askAboutSelection('explain')">{{ 'selection.explain'|trans }}</button>
        <button @click="askAboutSelection('summarize')">{{ 'selection.summarize'|trans }}</button>
        <button @click="askAboutSelection('translate')">{{ 'selection.translate'|trans }}</button>
        <button @click="askAboutSelection('expand')">{{ 'selection.expand'|trans }}</button>
    </div>
</div>
{% endblock %}

{% block javascripts %}
    {{ parent() }}
    <script src="https://unpkg.com/vue@3/dist/vue.global.prod.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
    <script src="{{ asset('js/playground.js') }}"></script>
    <script>
        // Initialize Playground App
        const app = initPlaygroundApp({
            projects: {{ projects|map(p => {
                id: p.id,
                title: p.title,
                updatedAt: p.updatedAt|date('c')
            })|json_encode|raw }},
            locale: '{{ locale }}',
            isRtl: {{ isRtl ? 'true' : 'false' }},
            csrfToken: '{{ csrf_token('playground') }}',
            translations: {
                error_generic: '{{ 'error.generic'|trans }}',
                confirm_delete: '{{ 'project.confirm_delete'|trans }}',
                confirm_clear_chat: '{{ 'chat.confirm_clear'|trans }}',
                enter_title: '{{ 'keywords.enter_title'|trans }}',
                settings_coming: '{{ 'project.settings_coming'|trans }}'
            }
        });
        app.mount('#playground-app');
    </script>
{% endblock %}