:root {
            --bg-primary: #f5f5f5;
            --bg-secondary: #ffffff;
            --text-primary: #333333;
            --text-secondary: #666666;
            --border-color: #dddddd;
            --accent-color: #2196F3;
            --success-color: #4CAF50;
            --warning-color: #FF9800;
            --error-color: #F44336;
            --waiting-color: #FFC107;
            --sleeping-color: #9C27B0;
            --runnable-color: #4CAF50;
            --blocked-color: #F44336;
        }

        [data-theme="dark"] {
            --bg-primary: #1e1e1e;
            --bg-secondary: #2d2d30;
            --text-primary: #cccccc;
            --text-secondary: #999999;
            --border-color: #444444;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            transition: background-color 0.3s, color 0.3s;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }

        header {
            background-color: var(--bg-secondary);
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            padding: 20px 0;
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .header-brand {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        h1 {
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .tagline {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            font-style: italic;
        }

        .theme-toggle {
            background: none;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            padding: 8px 12px;
            cursor: pointer;
            font-size: 14px;
            color: var(--text-primary);
            transition: all 0.3s;
        }

        .theme-toggle:hover {
            background-color: var(--accent-color);
            color: white;
            border-color: var(--accent-color);
        }

        .upload-section {
            padding: 40px 0;
            text-align: center;
        }

        .upload-methods {
            max-width: 600px;
            margin: 0 auto;
        }

        .method-tabs {
            display: flex;
            justify-content: center;
            margin-bottom: 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .method-tab {
            background: none;
            border: none;
            padding: 12px 24px;
            cursor: pointer;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all 0.3s;
            border-bottom: 2px solid transparent;
        }

        .method-tab:hover {
            color: var(--text-primary);
        }

        .method-tab.active {
            color: var(--accent-color);
            border-bottom-color: var(--accent-color);
        }

        .upload-method {
            min-height: 300px;
        }

        .paste-area {
            background-color: var(--bg-secondary);
            border-radius: 8px;
            padding: 40px;
        }

        .paste-area h2 {
            font-size: 20px;
            margin-bottom: 10px;
        }

        .paste-area p {
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        #jsonTextArea {
            width: 100%;
            min-height: 200px;
            padding: 15px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
            font-size: 13px;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            resize: vertical;
            margin-bottom: 20px;
            line-height: 1.4;
        }

        #jsonTextArea:focus {
            outline: none;
            border-color: var(--accent-color);
            box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.2);
        }

        .paste-controls {
            display: flex;
            gap: 10px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .upload-area {
            border: 2px dashed var(--border-color);
            border-radius: 8px;
            padding: 60px 40px;
            background-color: var(--bg-secondary);
            transition: all 0.3s;
            cursor: pointer;
        }

        .upload-area.drag-over {
            border-color: var(--accent-color);
            background-color: rgba(33, 150, 243, 0.1);
        }

        .upload-area h2 {
            font-size: 20px;
            margin-bottom: 10px;
        }

        .upload-area p {
            color: var(--text-secondary);
            margin-bottom: 15px;
        }

        .privacy-notice {
            background-color: rgba(76, 175, 80, 0.1);
            color: var(--success-color);
            padding: 10px 15px;
            border-radius: 6px;
            font-size: 14px;
            margin: 15px 0 20px 0;
            border-left: 3px solid var(--success-color);
        }

        [data-theme="dark"] .privacy-notice {
            background-color: rgba(76, 175, 80, 0.15);
            color: #81c784;
        }

        input[type="file"] {
            display: none;
        }

        .btn {
            display: inline-block;
            padding: 10px 20px;
            background-color: var(--accent-color);
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 14px;
            transition: background-color 0.3s;
            text-decoration: none;
        }

        .btn:hover {
            background-color: #1976D2;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--accent-color);
            border: 1px solid var(--accent-color);
            margin-left: 10px;
        }

        .btn-secondary:hover {
            background-color: var(--accent-color);
            color: white;
        }

        .analysis-view {
            display: none;
            padding: 20px 0;
        }

        .back-button-container {
            margin-bottom: 20px;
        }

        .back-button {
            background: none;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 10px 16px;
            cursor: pointer;
            font-size: 14px;
            color: var(--text-primary);
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .back-button:hover {
            background-color: var(--accent-color);
            color: white;
            border-color: var(--accent-color);
            transform: translateX(-2px);
        }

        .analysis-grid {
            display: grid;
            grid-template-columns: 300px 1fr;
            gap: 20px;
            margin-top: 20px;
        }

        .sidebar {
            background-color: var(--bg-secondary);
            border-radius: 8px;
            padding: 20px;
            height: fit-content;
            position: sticky;
            top: 100px;
        }

        .stats-panel {
            margin-bottom: 30px;
        }

        .stat-item {
            display: flex;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .stat-item:last-child {
            border-bottom: none;
        }

        .stat-label {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .stat-value {
            font-weight: 600;
            font-size: 14px;
        }

        .search-box {
            width: 100%;
            padding: 10px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: 14px;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            margin-bottom: 20px;
        }

        .filter-section h3 {
            font-size: 16px;
            margin-bottom: 10px;
        }

        .filter-option {
            display: flex;
            align-items: center;
            padding: 5px 0;
        }

        .filter-option input[type="checkbox"] {
            margin-right: 8px;
        }

        .filter-option label {
            font-size: 14px;
            cursor: pointer;
        }

        .tree-container {
            background-color: var(--bg-secondary);
            border-radius: 8px;
            padding: 20px;
            overflow-x: auto;
        }

        .tree-controls {
            display: flex;
            justify-content: space-between;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--border-color);
        }

        .tree-controls button {
            background: none;
            border: 1px solid var(--border-color);
            padding: 6px 12px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 14px;
            color: var(--text-primary);
            transition: all 0.3s;
        }

        .tree-controls button:hover {
            background-color: var(--accent-color);
            color: white;
            border-color: var(--accent-color);
        }

        .tree-view {
            font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
            font-size: 14px;
            line-height: 1.8;
        }

        .container-node {
            margin: 4px 0;
        }

        .container-header {
            display: flex;
            align-items: center;
            cursor: pointer;
            padding: 4px;
            border-radius: 4px;
            transition: background-color 0.2s;
        }

        .container-header:hover {
            background-color: rgba(33, 150, 243, 0.1);
        }

        .expand-icon {
            display: inline-block;
            width: 16px;
            transition: transform 0.2s;
        }

        .expand-icon.collapsed {
            transform: rotate(-90deg);
        }

        .container-name {
            margin-left: 4px;
            font-weight: 600;
        }

        .thread-count {
            margin-left: 8px;
            color: var(--text-secondary);
            font-size: 12px;
        }

        .thread-list {
            margin-left: 20px;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }

        .thread-list.collapsed {
            max-height: 0;
        }

        .thread-item {
            display: flex;
            align-items: center;
            padding: 4px 8px;
            margin: 2px 0;
            border-radius: 4px;
            cursor: pointer;
            transition: background-color 0.2s;
        }

        .thread-item:hover {
            background-color: rgba(0, 0, 0, 0.05);
        }

        .thread-icon {
            margin-right: 8px;
        }

        .thread-name {
            flex: 1;
        }

        .thread-state {
            font-size: 12px;
            padding: 2px 8px;
            border-radius: 12px;
            font-weight: 600;
        }

        .state-waiting {
            background-color: var(--waiting-color);
            color: #333;
        }

        .state-sleeping {
            background-color: var(--sleeping-color);
            color: white;
        }

        .state-runnable {
            background-color: var(--runnable-color);
            color: white;
        }

        .state-blocked {
            background-color: var(--blocked-color);
            color: white;
        }

        .stack-trace {
            margin-left: 40px;
            font-size: 12px;
            color: var(--text-secondary);
            background-color: var(--bg-primary);
            padding: 8px;
            border-radius: 4px;
            margin-top: 4px;
            display: none;
            max-height: 300px;
            overflow-y: auto;
        }

        .stack-trace.show {
            display: block;
        }

        .stack-line {
            padding: 2px 0;
            white-space: nowrap;
        }

        .export-menu {
            position: relative;
            display: inline-block;
        }

        .export-dropdown {
            position: absolute;
            top: 100%;
            right: 0;
            background-color: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            display: none;
            min-width: 150px;
            z-index: 10;
        }

        .export-dropdown.show {
            display: block;
        }

        .export-option {
            padding: 10px 15px;
            cursor: pointer;
            transition: background-color 0.2s;
            font-size: 14px;
        }

        .export-option:hover {
            background-color: var(--bg-primary);
        }

        .book-promotion {
            margin: 30px 0;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .book-card {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 12px;
            padding: 20px;
            color: white;
            box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .book-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(102, 126, 234, 0.4);
        }

        .book-content {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .book-cover {
            flex-shrink: 0;
        }

        .book-cover img {
            width: 80px;
            height: auto;
            border-radius: 6px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
            transition: transform 0.3s ease;
            background-color: rgba(255, 255, 255, 0.1);
        }

        .book-cover img[alt]:after {
            content: "📚";
            font-size: 32px;
            display: block;
            width: 80px;
            height: 100px;
            line-height: 100px;
            text-align: center;
            background-color: rgba(255, 255, 255, 0.2);
            border-radius: 6px;
        }

        .book-card:hover .book-cover img {
            transform: scale(1.05);
        }

        .book-details h3 {
            margin: 0 0 8px 0;
            font-size: 18px;
            font-weight: 600;
        }

        .book-details p {
            margin: 0 0 12px 0;
            font-size: 14px;
            line-height: 1.4;
            opacity: 0.95;
        }

        .book-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(255, 255, 255, 0.2);
            color: white;
            text-decoration: none;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            transition: background-color 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .book-link:hover {
            background-color: rgba(255, 255, 255, 0.3);
            color: white;
            text-decoration: none;
        }

        [data-theme="dark"] .book-card {
            background: linear-gradient(135deg, #4c6ef5 0%, #6741d9 100%);
            box-shadow: 0 4px 20px rgba(76, 110, 245, 0.3);
        }

        [data-theme="dark"] .book-card:hover {
            box-shadow: 0 8px 30px rgba(76, 110, 245, 0.4);
        }

        @media (max-width: 768px) {
            .book-content {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }
            
            .book-cover img {
                width: 100px;
            }
        }

        .instructions {
            background-color: var(--bg-secondary);
            border-radius: 8px;
            padding: 20px;
            margin-top: 40px;
        }

        .instructions h3 {
            font-size: 18px;
            margin-bottom: 15px;
        }

        .instructions code {
            background-color: var(--bg-primary);
            padding: 2px 6px;
            border-radius: 3px;
            font-family: 'Monaco', 'Menlo', monospace;
            font-size: 13px;
        }

        .instructions pre {
            background-color: var(--bg-primary);
            padding: 15px;
            border-radius: 4px;
            overflow-x: auto;
            margin: 10px 0;
        }

        @media (max-width: 768px) {
            .analysis-grid {
                grid-template-columns: 1fr;
            }

            .sidebar {
                position: static;
            }

            .upload-area {
                padding: 40px 20px;
            }
        }

        .highlight {
            background-color: rgba(255, 235, 59, 0.3);
            border-radius: 2px;
            padding: 0 2px;
        }

        .loading {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid var(--border-color);
            border-radius: 50%;
            border-top-color: var(--accent-color);
            animation: spin 1s ease-in-out infinite;
        }

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

        .error-message {
            background-color: #ffebee;
            color: #c62828;
            padding: 15px;
            border-radius: 4px;
            margin: 20px 0;
            display: none;
        }

        [data-theme="dark"] .error-message {
            background-color: rgba(244, 67, 54, 0.1);
            color: #ef5350;
        }

        .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1000;
            display: none;
        }

        .loading-content {
            background-color: var(--bg-secondary);
            padding: 40px;
            border-radius: 8px;
            text-align: center;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .loading-spinner {
            width: 50px;
            height: 50px;
            border: 4px solid var(--border-color);
            border-radius: 50%;
            border-top-color: var(--accent-color);
            animation: spin 1s ease-in-out infinite;
            margin: 0 auto 20px;
        }

        .loading-text {
            font-size: 16px;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .loading-details {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .thread-state-summary {
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }

        .state-summary-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 12px;
            margin: 4px 0;
            background-color: var(--bg-primary);
            border-radius: 4px;
            transition: transform 0.2s;
        }

        .state-summary-item:hover {
            transform: translateX(2px);
        }

        .state-summary-label {
            display: flex;
            align-items: center;
            font-size: 14px;
        }

        .state-summary-icon {
            margin-right: 8px;
            font-size: 16px;
        }

        .state-summary-count {
            font-weight: 600;
            font-size: 14px;
        }

        .state-summary-bar {
            width: 100%;
            height: 4px;
            background-color: var(--bg-primary);
            border-radius: 2px;
            margin-top: 8px;
            overflow: hidden;
            display: flex;
        }

        .state-bar-segment {
            height: 100%;
            transition: width 0.3s ease;
        }

        .help-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 2000;
            display: none;
        }

        .help-content {
            background-color: var(--bg-secondary);
            padding: 40px;
            border-radius: 8px;
            max-width: 600px;
            max-height: 80vh;
            overflow-y: auto;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .help-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }

        .help-title {
            font-size: 24px;
            font-weight: 600;
        }

        .help-close {
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--text-secondary);
            padding: 0;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 4px;
            transition: background-color 0.2s;
        }

        .help-close:hover {
            background-color: var(--bg-primary);
        }

        .help-section {
            margin-bottom: 25px;
        }

        .help-section h3 {
            font-size: 16px;
            margin-bottom: 10px;
            color: var(--accent-color);
        }

        .shortcut-list {
            list-style: none;
        }

        .shortcut-item {
            display: flex;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .shortcut-item:last-child {
            border-bottom: none;
        }

        .shortcut-keys {
            font-family: monospace;
            background-color: var(--bg-primary);
            padding: 2px 8px;
            border-radius: 3px;
            font-size: 13px;
        }

        .shortcut-description {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .help-tip {
            background-color: var(--bg-primary);
            padding: 12px;
            border-radius: 4px;
            margin: 8px 0;
            font-size: 14px;
        }

        .help-tip strong {
            color: var(--accent-color);
        }

        .recent-files {
            position: relative;
            display: inline-block;
            margin-right: 10px;
        }

        .recent-files-button {
            background: none;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            padding: 8px 12px;
            cursor: pointer;
            font-size: 14px;
            color: var(--text-primary);
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .recent-files-button:hover {
            background-color: var(--accent-color);
            color: white;
            border-color: var(--accent-color);
        }

        .recent-files-dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            background-color: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            display: none;
            min-width: 250px;
            max-width: 350px;
            z-index: 10;
            margin-top: 4px;
        }

        .recent-files-dropdown.show {
            display: block;
        }

        .recent-file-item {
            padding: 10px 15px;
            cursor: pointer;
            transition: background-color 0.2s;
            border-bottom: 1px solid var(--border-color);
        }

        .recent-file-item:last-child {
            border-bottom: none;
        }

        .recent-file-item:hover {
            background-color: var(--bg-primary);
        }

        .recent-file-name {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .recent-file-details {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 2px;
        }

        .no-recent-files {
            padding: 20px;
            text-align: center;
            color: var(--text-secondary);
            font-size: 14px;
        }

        .clear-recent {
            padding: 10px 15px;
            text-align: center;
            color: var(--error-color);
            cursor: pointer;
            border-top: 1px solid var(--border-color);
            font-size: 13px;
            transition: background-color 0.2s;
        }

        .clear-recent:hover {
            background-color: rgba(244, 67, 54, 0.1);
        }

        /* Print styles */
        @media print {
            .loading-overlay,
            .help-overlay,
            .upload-section,
            .error-message,
            header,
            .recent-files,
            .export-menu,
            .tree-controls {
                display: none !important;
            }

            body {
                background: white !important;
                color: black !important;
                font-size: 12px;
                line-height: 1.4;
            }

            .analysis-view {
                display: block !important;
            }

            .analysis-grid {
                display: block !important;
                grid-template-columns: none !important;
            }

            .sidebar {
                position: static !important;
                margin-bottom: 20px;
                page-break-inside: avoid;
                border: 1px solid #ccc;
                padding: 15px;
            }

            .stats-panel,
            .thread-state-summary {
                break-inside: avoid;
            }

            .filter-section {
                display: none !important;
            }

            .tree-container {
                background: none !important;
                box-shadow: none !important;
                border: none !important;
                padding: 0 !important;
            }

            .tree-view {
                font-family: monospace !important;
                font-size: 11px !important;
            }

            .container-header {
                font-weight: bold;
                margin: 10px 0 5px 0;
                page-break-after: avoid;
            }

            .thread-item {
                margin: 2px 0;
                page-break-inside: avoid;
            }

            .thread-state {
                border: 1px solid #999 !important;
                background: none !important;
                color: black !important;
                padding: 1px 4px !important;
            }

            .stack-trace {
                font-size: 10px !important;
                margin: 5px 0 !important;
                background: #f8f8f8 !important;
                border: 1px solid #ddd !important;
                page-break-inside: avoid;
            }

            .stack-trace.show {
                display: block !important;
            }

            /* Force show all stack traces in print */
            .stack-trace {
                display: block !important;
                max-height: none !important;
            }

            .state-summary-bar,
            .pie-chart {
                display: none !important;
            }

            .thread-list.collapsed {
                max-height: none !important;
                overflow: visible !important;
            }

            .expand-icon {
                display: none !important;
            }

            /* Page breaks */
            .container-node {
                page-break-inside: avoid;
                break-inside: avoid;
            }

            h1, h2, h3 {
                page-break-after: avoid;
            }
        }

        .print-button {
            background: none;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            padding: 6px 12px;
            cursor: pointer;
            font-size: 14px;
            color: var(--text-primary);
            transition: all 0.3s;
            margin-left: 10px;
        }

        .print-button:hover {
            background-color: var(--accent-color);
            color: white;
            border-color: var(--accent-color);
        }

        .pie-chart {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            margin: 15px auto;
            position: relative;
            overflow: hidden;
        }

        .pie-slice {
            position: absolute;
            width: 50%;
            height: 50%;
            transform-origin: 100% 100%;
        }

        .pie-slice:nth-child(1) {
            transform: rotate(0deg);
        }

        .pie-slice:nth-child(2) {
            transform: rotate(90deg);
        }

        .pie-slice:nth-child(3) {
            transform: rotate(180deg);
        }

        .pie-slice:nth-child(4) {
            transform: rotate(270deg);
        }

        .pie-slice::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            border-radius: 0 0 100% 0;
        }

        /* Deadlock and Performance Analysis Styles */
        .analysis-alerts {
            margin-bottom: 20px;
        }

        .alert {
            padding: 12px 16px;
            border-radius: 6px;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            line-height: 1.4;
        }

        .alert-critical {
            background-color: #ffebee;
            color: #c62828;
            border-left: 4px solid #f44336;
        }

        .alert-warning {
            background-color: #fff3e0;
            color: #ef6c00;
            border-left: 4px solid #ff9800;
        }

        .alert-info {
            background-color: #e3f2fd;
            color: #1565c0;
            border-left: 4px solid #2196f3;
        }

        [data-theme="dark"] .alert-critical {
            background-color: rgba(244, 67, 54, 0.1);
            color: #ef5350;
        }

        [data-theme="dark"] .alert-warning {
            background-color: rgba(255, 152, 0, 0.1);
            color: #ffb74d;
        }

        [data-theme="dark"] .alert-info {
            background-color: rgba(33, 150, 243, 0.1);
            color: #64b5f6;
        }

        .alert-icon {
            font-size: 18px;
            flex-shrink: 0;
        }

        .alert-content {
            flex: 1;
        }

        .alert-title {
            font-weight: 600;
            margin-bottom: 4px;
        }

        .alert-details {
            font-size: 13px;
            opacity: 0.9;
        }

        .deadlock-graph {
            background-color: var(--bg-primary);
            border-radius: 6px;
            padding: 15px;
            margin-top: 10px;
            font-family: monospace;
            font-size: 12px;
            overflow-x: auto;
        }

        .deadlock-thread {
            margin: 5px 0;
            padding: 5px 10px;
            background-color: var(--bg-secondary);
            border-radius: 4px;
            border-left: 3px solid #f44336;
        }

        .performance-insights {
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }

        .insight-metric {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .insight-metric:last-child {
            border-bottom: none;
        }

        .insight-label {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .insight-value {
            font-weight: 600;
            font-size: 14px;
        }

        .insight-value.critical {
            color: var(--error-color);
        }

        .insight-value.warning {
            color: var(--warning-color);
        }

        .insight-value.good {
            color: var(--success-color);
        }

        .recommendations {
            margin-top: 15px;
        }

        .recommendation {
            background-color: var(--bg-primary);
            padding: 10px;
            border-radius: 4px;
            margin: 5px 0;
            font-size: 14px;
        }

        .recommendation-title {
            font-weight: 600;
            color: var(--accent-color);
            margin-bottom: 5px;
        }

        .thread-highlight {
            background-color: rgba(244, 67, 54, 0.1) !important;
            border-left: 3px solid #f44336 !important;
        }

        .lock-reference {
            color: var(--accent-color);
            font-weight: 600;
            cursor: pointer;
            text-decoration: underline;
        }

        .lock-reference:hover {
            background-color: rgba(33, 150, 243, 0.1);
        }

        /* Footer Styles */
        .footer {
            background-color: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            margin-top: 60px;
            padding: 40px 0 20px 0;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }

        .footer-section h4 {
            color: var(--accent-color);
            font-size: 16px;
            margin-bottom: 15px;
            font-weight: 600;
        }

        .footer-section p {
            color: var(--text-secondary);
            line-height: 1.6;
            font-size: 14px;
            margin-bottom: 10px;
        }

        .footer-section ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-section li {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 8px;
            padding-left: 16px;
            position: relative;
        }

        .footer-section li:before {
            content: "•";
            color: var(--accent-color);
            position: absolute;
            left: 0;
        }

        .footer-section a {
            color: var(--accent-color);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-section a:hover {
            color: var(--text-primary);
            text-decoration: underline;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }

        .footer-bottom p {
            color: var(--text-secondary);
            font-size: 14px;
            margin: 0;
        }

        @media (max-width: 768px) {
            .footer-content {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .footer {
                padding: 30px 0 15px 0;
            }
        }