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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            color: #1a202c;
            overflow: hidden;
        }

        .app-container {
            display: grid;
            grid-template-columns: 320px 1fr 350px;
            grid-template-rows: 80px 1fr;
            height: 100vh;
            max-width: 1800px;
            margin: 0 auto;
            gap: 15px;
            padding: 15px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            box-shadow: 0 25px 50px rgba(0,0,0,0.15);
            overflow: hidden;
        }

        .header {
            grid-column: 1 / -1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
            color: white;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(66, 153, 225, 0.3);
        }

        .header h1 {
            font-size: 2em;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .header .status-indicator {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #48bb78;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.7; transform: scale(1.1); }
        }

        .controls-panel {
            background: white;
            border-radius: 15px;
            padding: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            overflow-y: auto;
            height: calc(100vh - 110px);
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .controls-panel::-webkit-scrollbar {
            width: 6px;
        }

        .controls-panel::-webkit-scrollbar-track {
            background: #f1f5f9;
            border-radius: 3px;
        }

        .controls-panel::-webkit-scrollbar-thumb {
            background: #4299e1;
            border-radius: 3px;
        }

        .experiment-area {
            position: relative;
            overflow: hidden;
            border-radius: 15px;
            background: radial-gradient(circle at 50% 50%, #f8fafc 0%, #e2e8f0 100%);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .observations-panel {
            background: white;
            border-radius: 15px;
            padding: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            overflow-y: auto;
            height: calc(100vh - 110px);
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .observations-panel::-webkit-scrollbar {
            width: 6px;
        }

        .observations-panel::-webkit-scrollbar-track {
            background: #f1f5f9;
            border-radius: 3px;
        }

        .observations-panel::-webkit-scrollbar-thumb {
            background: #4299e1;
            border-radius: 3px;
        }

        .control-section {
            background: white;
            border-radius: 15px;
            padding: 20px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
        }

        .control-section h3 {
            color: #2d3748;
            margin-bottom: 15px;
            font-size: 1.1em;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .control-section h3::before {
            content: '🔧';
            font-size: 1.2em;
        }

        .control-group {
            margin-bottom: 20px;
            padding: 15px;
            background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
            border-radius: 10px;
            border: 1px solid #e2e8f0;
        }

        .control-group h4 {
            color: #2d3748;
            margin-bottom: 12px;
            font-size: 0.95em;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .control-group h4::before {
            content: '⚙️';
            font-size: 1em;
        }

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

        .display-container {
            margin-bottom: 15px;
            padding: 12px;
            background: #f8fafc;
            border-radius: 8px;
            border: 1px solid #e2e8f0;
        }

        .display-container label {
            display: block;
            margin-bottom: 4px;
            font-size: 0.875rem;
            font-weight: 500;
            color: #374151;
        }

        .display-value {
            font-weight: 700;
            color: #1e40af;
            font-size: 1.1rem;
        }

        .info-text {
            font-size: 0.75rem;
            color: #6b7280;
            font-style: italic;
            margin-top: 4px;
        }

        .usage-guide {
            background: #f0f9ff;
            border-radius: 8px;
            padding: 15px;
            border-left: 4px solid #3b82f6;
        }

        .step-info {
            margin-bottom: 10px;
            font-size: 0.85rem;
            line-height: 1.4;
        }

        .step-info:last-child {
            margin-bottom: 0;
        }

        .step-info strong {
            color: #1e40af;
        }

        .slider-container label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.875rem;
            font-weight: 500;
            color: #374151;
        }

        input[type="range"] {
            width: 100%;
            height: 8px;
            background: #e2e8f0;
            border-radius: 4px;
            outline: none;
            -webkit-appearance: none;
            appearance: none;
            margin-bottom: 8px;
        }

        input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 20px;
            height: 20px;
            background: linear-gradient(135deg, #3b82f6, #1e40af);
            border-radius: 50%;
            cursor: pointer;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
            transition: transform 0.2s ease;
        }

        input[type="range"]::-webkit-slider-thumb:hover {
            transform: scale(1.1);
        }

        .slider-value {
            font-weight: 600;
            color: #1e40af;
            font-size: 0.875rem;
        }

        .button-group {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .btn {
            width: 100%;
            padding: 12px 16px;
            border: none;
            border-radius: 8px;
            font-size: 0.875rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }

        .btn:active {
            transform: translateY(0);
        }

        .btn-primary {
            background: linear-gradient(135deg, #3b82f6, #1e40af);
            color: white;
        }

        .btn-secondary {
            background: #f1f5f9;
            color: #475569;
            border: 1px solid #cbd5e1;
        }

        .btn-secondary:hover {
            background: #e2e8f0;
        }

        .btn-danger {
            background: linear-gradient(135deg, #ef4444, #dc2626);
            color: white;
        }

        .btn-success {
            background: linear-gradient(135deg, #10b981, #059669);
            color: white;
        }

        .proposal-input {
            width: 100%;
            padding: 12px;
            border: 1px solid #d1d5db;
            border-radius: 8px;
            font-size: 0.875rem;
            margin-bottom: 12px;
            background: #f9fafb;
            transition: border-color 0.2s ease;
        }

        .proposal-input:focus {
            outline: none;
            border-color: #3b82f6;
            background: white;
        }

        .participant-selector {
            margin-top: 12px;
        }

        .participant-selector label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.875rem;
            font-weight: 500;
            color: #374151;
        }

        .participant-selector select {
            width: 100%;
            padding: 12px;
            border: 1px solid #d1d5db;
            border-radius: 8px;
            font-size: 0.875rem;
            background: #f9fafb;
            transition: border-color 0.2s ease;
        }

        .participant-selector select:focus {
            outline: none;
            border-color: #3b82f6;
            background: white;
        }

        .btn-warning {
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: white;
        }

        .status-section {
            background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
            border-radius: 12px;
            padding: 15px;
            border: 1px solid #e2e8f0;
        }

        .status-section h4 {
            color: #2d3748;
            margin-bottom: 12px;
            font-size: 1em;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .status-section h4::before {
            content: '📊';
            font-size: 1.1em;
        }

        .stat-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 8px;
            padding: 8px 12px;
            background: white;
            border-radius: 8px;
            border: 1px solid #e2e8f0;
        }

        .stat-item:last-child {
            margin-bottom: 0;
        }

        .stat-label {
            font-size: 0.8em;
            color: #718096;
            font-weight: 500;
        }

        .stat-value {
            font-weight: 700;
            color: #2d3748;
            font-size: 0.85em;
        }

        .stat-item.active .stat-value {
            color: #4299e1;
        }

        .status-indicator {
            display: inline-block;
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 500;
            text-transform: uppercase;
        }

        .status-ready {
            background: #dcfce7;
            color: #15803d;
        }

        .status-electing {
            background: #fef3c7;
            color: #d97706;
        }

        .status-no-quorum {
            background: #fecaca;
            color: #dc2626;
        }

        .status-consensus {
            background: #dbeafe;
            color: #1d4ed8;
        }

        .logs {
            height: 400px;
            overflow-y: auto;
            font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
            font-size: 0.8rem;
            line-height: 1.4;
            background: white;
            border-radius: 8px;
            padding: 15px;
            border: 1px solid #e2e8f0;
            box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.05);
        }

        .log-entry {
            margin: 4px 0;
            padding: 6px 10px;
            border-radius: 6px;
            background: #f8fafc;
            border-left: 3px solid #94a3b8;
            animation: fadeIn 0.3s ease-in;
        }

        .log-entry.info {
            border-left-color: #3b82f6;
            background: #eff6ff;
            color: #2563eb;
        }

        .log-entry.success {
            border-left-color: #10b981;
            background: #f0fdf4;
            color: #059669;
        }

        .log-entry.error {
            border-left-color: #ef4444;
            background: #fef2f2;
            color: #dc2626;
        }

        .log-entry.warning {
            border-left-color: #f59e0b;
            background: #fffbeb;
            color: #d97706;
        }

        #visualization {
            width: 100%;
            height: 100%;
            position: relative;
        }

        .info-btn {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #3b82f6, #1e40af);
            color: white;
            border: none;
            font-size: 18px;
            font-weight: bold;
            cursor: pointer;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
            transition: all 0.3s ease;
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .info-btn:hover {
            background: linear-gradient(135deg, #1e40af, #1e3a8a);
            transform: scale(1.1);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
        }

        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 2000;
            backdrop-filter: blur(5px);
        }

        .modal-overlay.show {
            display: flex;
        }

        .modal-content {
            background: white;
            border-radius: 20px;
            width: 90%;
            max-width: 900px;
            max-height: 90vh;
            overflow: hidden;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
            animation: modalSlideIn 0.3s ease;
        }

        @keyframes modalSlideIn {
            from { opacity: 0; transform: scale(0.9) translateY(-20px); }
            to { opacity: 1; transform: scale(1) translateY(0); }
        }

        .modal-header {
            background: linear-gradient(135deg, #3b82f6, #1e40af);
            color: white;
            padding: 20px 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .modal-header h2 {
            margin: 0;
            font-size: 1.5em;
            font-weight: 600;
        }

        .modal-close {
            background: none;
            border: none;
            color: white;
            font-size: 30px;
            cursor: pointer;
            padding: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s ease;
        }

        .modal-close:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .modal-body {
            padding: 30px;
            max-height: calc(90vh - 100px);
            overflow-y: auto;
        }

        .modal-body::-webkit-scrollbar {
            width: 8px;
        }

        .modal-body::-webkit-scrollbar-track {
            background: #f1f5f9;
            border-radius: 4px;
        }

        .modal-body::-webkit-scrollbar-thumb {
            background: #3b82f6;
            border-radius: 4px;
        }

        .info-section {
            margin-bottom: 30px;
            padding: 20px;
            background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
            border-radius: 15px;
            border: 1px solid #e2e8f0;
        }

        .info-section h3 {
            color: #1e40af;
            margin-bottom: 15px;
            font-size: 1.3em;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .info-section p {
            color: #4b5563;
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .info-section ul {
            color: #4b5563;
            line-height: 1.6;
            padding-left: 20px;
        }

        .info-section li {
            margin-bottom: 8px;
        }

        .controls-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-top: 15px;
        }

        .control-item {
            background: white;
            padding: 15px;
            border-radius: 10px;
            border: 1px solid #d1d5db;
        }

        .control-item strong {
            color: #1e40af;
            display: block;
            margin-bottom: 10px;
        }

        .control-item ul {
            margin: 0;
            padding-left: 15px;
        }

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

        .legend-item-info {
            display: flex;
            align-items: center;
            background: white;
            padding: 12px;
            border-radius: 8px;
            border: 1px solid #d1d5db;
        }

        .legend-color-info {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            margin-right: 12px;
            border: 1px solid rgba(0, 0, 0, 0.1);
            flex-shrink: 0;
        }

        .process-steps {
            margin-top: 15px;
        }

        .step {
            display: flex;
            align-items: flex-start;
            margin-bottom: 20px;
            background: white;
            padding: 15px;
            border-radius: 10px;
            border: 1px solid #d1d5db;
        }

        .step:last-child {
            margin-bottom: 0;
        }

        .step-number {
            background: linear-gradient(135deg, #3b82f6, #1e40af);
            color: white;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 14px;
            margin-right: 15px;
            flex-shrink: 0;
        }

        .step-content {
            flex: 1;
        }

        .step-content strong {
            color: #1e40af;
            display: block;
            margin-bottom: 5px;
        }

        .shortcuts-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin-top: 15px;
        }

        .shortcut-item {
            display: flex;
            align-items: center;
            background: white;
            padding: 12px;
            border-radius: 8px;
            border: 1px solid #d1d5db;
        }

        .shortcut-item kbd {
            background: #f3f4f6;
            border: 1px solid #d1d5db;
            border-radius: 6px;
            padding: 4px 8px;
            font-family: monospace;
            font-size: 12px;
            margin-right: 10px;
            min-width: 40px;
            text-align: center;
        }

        .educational-notes {
            background: white;
            padding: 20px;
            border-radius: 10px;
            border: 1px solid #d1d5db;
            margin-top: 15px;
        }

        .educational-notes p {
            margin-bottom: 15px;
        }

        .educational-notes p:last-child {
            margin-bottom: 0;
        }

        .educational-notes strong {
            color: #1e40af;
        }

        .floating-message {
            position: absolute;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            background: white;
            padding: 12px 24px;
            border-radius: 8px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            border: 1px solid #e2e8f0;
            color: #1e293b;
            font-size: 0.875rem;
            font-weight: 500;
            z-index: 1000;
            opacity: 0;
            transition: all 0.3s ease;
            pointer-events: none;
        }

        .floating-message.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }

        .floating-legend {
            position: absolute;
            top: 20px;
            right: 20px;
            background: white;
            padding: 16px;
            border-radius: 12px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            border: 1px solid #e2e8f0;
            min-width: 200px;
        }
        
        .floating-legend h4 {
            color: #1e40af;
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .legend-item {
            display: flex;
            align-items: center;
            margin-bottom: 8px;
            font-size: 0.8rem;
        }

        .legend-item:last-child {
            margin-bottom: 0;
        }

        .legend-color {
            width: 14px;
            height: 14px;
            border-radius: 50%;
            margin-right: 10px;
            border: 1px solid rgba(0, 0, 0, 0.1);
        }

        .legend-color.node-healthy {
            background: #10b981;
        }

        .legend-color.node-requesting {
            background: #3b82f6;
            border: 2px solid #1e40af;
        }

        .legend-color.node-voting {
            background: #8b5cf6;
        }

        .legend-color.node-in-cs {
            background: #f59e0b;
            border: 2px solid #d97706;
        }

        .legend-color.node-locked {
            background: #ef4444;
            border: 2px solid #dc2626;
        }

        .node {
            cursor: pointer;
            transition: all 0.3s ease;
            filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
        }

        .node:hover {
            transform: scale(1.1);
            filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
        }

        .node-healthy {
            fill: #10b981;
        }

        .node-requesting {
            fill: #3b82f6;
            stroke: #1e40af;
            stroke-width: 3;
            animation: pulse-node 1.5s infinite;
        }

        .node-voting {
            fill: #8b5cf6;
            animation: pulse-node 1.5s infinite;
        }

        .node-in-cs {
            fill: #f59e0b;
            stroke: #d97706;
            stroke-width: 3;
        }

        .node-locked {
            fill: #ef4444;
            stroke: #dc2626;
            stroke-width: 2;
            animation: pulse-node 2s infinite;
        }

        @keyframes pulse-node {
            0% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.7; transform: scale(1.05); }
            100% { opacity: 1; transform: scale(1); }
        }

        .link {
            stroke: #cbd5e1;
            stroke-width: 2;
            transition: all 0.3s ease;
        }

        .link-active {
            stroke: #3b82f6;
            stroke-width: 3;
            animation: flow 2s infinite;
        }

        @keyframes flow {
            0% { stroke-dashoffset: 0; }
            100% { stroke-dashoffset: 20; }
        }

        .node-label {
            font-size: 11px;
            fill: white;
            text-anchor: middle;
            dominant-baseline: middle;
            font-weight: 600;
            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
        }

        .progress-bar {
            width: 100%;
            height: 6px;
            background: #e2e8f0;
            border-radius: 3px;
            overflow: hidden;
            margin-top: 8px;
        }

        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, #3b82f6, #1e40af);
            transition: width 0.3s ease;
        }

        .consensus-indicator {
            text-align: center;
            padding: 16px;
            margin-top: 16px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.875rem;
        }

        .consensus-success {
            background: #dcfce7;
            color: #15803d;
            border: 1px solid #bbf7d0;
        }

        .consensus-pending {
            background: #fef3c7;
            color: #d97706;
            border: 1px solid #fed7aa;
        }

        .consensus-failed {
            background: #fecaca;
            color: #dc2626;
            border: 1px solid #fca5a5;
        }

        @media (max-width: 1200px) {
            .app-container {
                grid-template-columns: 1fr;
                grid-template-rows: 80px 1fr auto auto;
                height: 100vh;
                gap: 10px;
                padding: 10px;
            }
            
            .controls-panel {
                height: 300px;
                order: 2;
            }
            
            .experiment-area {
                order: 1;
                min-height: 400px;
            }
            
            .observations-panel {
                height: 250px;
                order: 3;
            }
        }
        
        @media (max-width: 768px) {
            .header h1 {
                font-size: 1.5em;
            }
            
            .control-group {
                padding: 12px;
            }
            
            .btn {
                padding: 8px 12px;
                font-size: 12px;
            }
            
            .stat-item {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
                gap: 4px;
            }
        }
        
        /* Mobile Landscape Support - Desktop-like Experience */
        @media screen and (max-width: 968px) and (orientation: landscape) {
            .app-container {
                grid-template-columns: 280px 1fr 300px;
                grid-template-rows: 60px 1fr;
                gap: 10px;
                padding: 10px;
            }
            
            .header {
                padding: 0 15px;
            }
            
            .header h1 {
                font-size: 1.4em;
            }
            
            .controls-panel {
                padding: 15px;
                height: calc(100vh - 80px);
            }
            
            .observations-panel {
                padding: 15px;
                height: calc(100vh - 80px);
            }
            
            .control-section {
                padding: 15px;
                margin-bottom: 15px;
            }
            
            .control-section h3 {
                font-size: 1em;
                margin-bottom: 12px;
            }
            
            .btn {
                padding: 10px 14px;
                font-size: 0.8rem;
                margin-bottom: 6px;
            }
            
            .participant-selector select,
            .slider-container input,
            .slider-container label {
                font-size: 0.8rem;
            }
            
            .stat-item {
                padding: 6px 10px;
                margin-bottom: 6px;
            }
            
            .stat-label {
                font-size: 0.75em;
            }
            
            .stat-value {
                font-size: 0.8em;
            }
            
            .logs {
                height: 300px;
                font-size: 0.75rem;
            }
            
            .status-section {
                padding: 12px;
            }
            
            .status-section h4 {
                font-size: 0.9em;
                margin-bottom: 10px;
            }
            
            /* Ensure experiment area uses full space */
            .experiment-area {
                min-height: calc(100vh - 80px);
            }
            
            /* Adjust floating legend for mobile landscape */
            .floating-legend {
                top: 15px;
                right: 15px;
                padding: 12px;
                min-width: 160px;
            }
            
            .floating-legend h4 {
                font-size: 0.8rem;
                margin-bottom: 10px;
            }
            
            .legend-item {
                font-size: 0.75rem;
                margin-bottom: 6px;
            }
            
            .legend-color {
                width: 12px;
                height: 12px;
                margin-right: 8px;
            }
        }
        
        /* Tablet Landscape - Slightly different layout */
        @media screen and (min-width: 768px) and (max-width: 1024px) and (orientation: landscape) {
            .app-container {
                grid-template-columns: 300px 1fr 320px;
                grid-template-rows: 70px 1fr;
                gap: 12px;
                padding: 12px;
            }
            
            .header h1 {
                font-size: 1.6em;
            }
            
            .controls-panel,
            .observations-panel {
                height: calc(100vh - 94px);
            }
        }
        
        /* Mobile Portrait Orientation Overlay */
        .rotate-device-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            z-index: 10000;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: white;
            text-align: center;
            padding: 20px;
        }

        .rotate-device-overlay .rotate-icon {
            font-size: 4rem;
            margin-bottom: 20px;
            animation: rotateAnimation 2s ease-in-out infinite;
        }

        .rotate-device-overlay h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .rotate-device-overlay p {
            font-size: 1rem;
            opacity: 0.9;
            line-height: 1.5;
            max-width: 300px;
        }

        @keyframes rotateAnimation {
            0%, 100% { transform: rotate(0deg); }
            25% { transform: rotate(-15deg); }
            75% { transform: rotate(15deg); }
        }

        @media screen and (max-width: 768px) and (orientation: portrait) {
            .rotate-device-overlay {
                display: flex !important;
            }
            
            .app-container {
                display: none !important;
            }
        }

/* Quorum Tooltip Styles */
.quorum-tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    white-space: nowrap;
}

.quorum-tooltip.show {
    opacity: 1;
    visibility: visible;
}