:root {
            --bg-primary: #0a0a0f;
            --bg-secondary: #12121a;
            --bg-tertiary: #1a1a25;
            --card-bg: #16161f;
            --card-secondary: #1e1e2a;
            --card-hover: #252535;
            --text-primary: #f0f0f5;
            --text-secondary: #a0a0b0;
            --text-muted: #9a9aaa;
            --accent: #818cf8;
            --accent-hover: #5558e0;
            --accent-light: rgba(99, 102, 241, 0.15);
            --success: #22c55e;
            --success-light: rgba(34, 197, 94, 0.15);
            --warning: #f59e0b;
            --warning-light: rgba(245, 158, 11, 0.15);
            --danger: #ef4444;
            --danger-light: rgba(239, 68, 68, 0.15);
            --border-color: rgba(255, 255, 255, 0.08);
            --border-active: rgba(99, 102, 241, 0.5);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
        }

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

        html, body {
            height: 100%;
            overflow: hidden;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            padding-bottom: 30px; /* Space for fixed footer */
        }

        /* Header */
        .header {
            background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            border-bottom: 1px solid var(--border-color);
            padding: 24px 32px;
            text-align: center;
            flex-shrink: 0;
        }

        .header h1 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .header .subtitle {
            font-size: 0.875rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        .status-banner {
            background: linear-gradient(135deg, rgba(239, 68, 68, 0.16), rgba(245, 158, 11, 0.18));
            border: 1px solid rgba(239, 68, 68, 0.4);
            color: var(--text-primary);
            padding: 8px 14px;
            border-radius: 10px;
            margin: 10px auto 0;
            max-width: 900px;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: var(--shadow-sm);
        }

        .status-banner strong {
            color: #fbbf24;
        }

        /* Main Container */
        .container {
            max-width: 1500px;
            margin: 0 auto;
            padding: 12px 20px;
            display: grid;
            grid-template-columns: 25% 75%;
            grid-template-rows: 1fr;
            gap: 16px;
            flex: 1;
            min-height: 0;
            width: 100%;
            align-items: stretch;
        }

        @media (max-width: 900px) {
            .container {
                grid-template-columns: 1fr;
                padding: 12px;
            }
        }

        @media (min-width: 1600px) {
            .container {
                max-width: 1600px;
            }
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
            min-height: 0;
            overflow: hidden;
            height: 100%;
        }

        .sidebar .card {
            display: flex;
            flex-direction: column;
            min-height: 0;
            flex: 1;
            overflow: hidden;
            height: 100%;
        }

        .card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 14px;
        }
        
        /* Scenario list fills available space */
        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
            overflow: hidden;
            min-height: 0;
        }

        .card-title {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 12px;
            flex-shrink: 0;
        }

        .loading-scenarios {
            padding: 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* Category Dropdown */
        .scenario-category {
            background: var(--card-secondary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
        }

        .category-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 12px;
            cursor: pointer;
            background: var(--bg-tertiary);
            transition: background 0.15s ease;
        }

        .category-header:hover {
            background: var(--card-hover);
        }

        .category-title {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .category-arrow {
            font-size: 0.7rem;
            color: var(--text-muted);
            transition: transform 0.2s ease;
        }

        .category-header.expanded .category-arrow {
            transform: rotate(180deg);
        }

        .category-content {
            display: none;
            padding: 8px;
            flex-direction: column;
            gap: 6px;
            max-height: 250px;
            overflow-y: auto;
        }

        .category-content.expanded {
            display: flex;
        }

        /* Scrollbar styling for category dropdowns */
        .category-content::-webkit-scrollbar {
            width: 6px;
        }
        
        .category-content::-webkit-scrollbar-track {
            background: var(--card-secondary);
            border-radius: 3px;
        }
        
        .category-content::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 3px;
        }
        
        .category-content::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

        /* Show All Button - fills remaining sidebar space */
        .show-all-btn {
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            border: none;
            border-radius: 8px;
            padding: 16px 14px;
            color: white;
            font-size: 0.85rem;
            font-weight: 600;
            text-align: center;
            cursor: pointer;
            transition: all 0.2s ease;
            flex: 1;
            min-height: 60px;
            max-height: 100px;
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
        }

        .show-all-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
        }

        .show-all-btn .show-all-count {
            font-size: 0.7rem;
            opacity: 0.9;
            font-weight: 400;
        }

        /* Gallery Modal */
        .gallery-modal {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.8);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 1100;
            padding: 20px;
        }

        .gallery-modal.active {
            display: flex;
        }

        .gallery-container {
            background: var(--card-bg);
            border-radius: 12px;
            max-width: 900px;
            width: 100%;
            max-height: 80vh;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .gallery-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .gallery-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .gallery-close {
            background: transparent;
            border: none;
            color: var(--text-muted);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0;
            line-height: 1;
        }

        .gallery-close:hover {
            color: var(--text-primary);
        }

        .gallery-body {
            padding: 20px;
            overflow-y: auto;
        }

        .gallery-category-section {
            margin-bottom: 20px;
        }

        .gallery-category-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 12px;
        }

        .gallery-scenario-btn {
            background: var(--card-secondary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 14px;
            color: var(--text-secondary);
            font-size: 0.85rem;
            text-align: left;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .gallery-scenario-btn:hover {
            background: var(--card-hover);
            border-color: var(--accent);
            color: var(--text-primary);
        }

        .gallery-scenario-btn.active {
            background: var(--accent-light);
            border-color: var(--accent);
            color: var(--accent);
        }

        .gallery-scenario-btn .label {
            font-weight: 500;
            display: block;
            margin-bottom: 4px;
        }

        .gallery-scenario-btn .desc {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .scenario-btn {
            background: var(--card-secondary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 12px 14px;
            color: var(--text-secondary);
            font-size: 0.875rem;
            text-align: left;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .scenario-btn:hover {
            background: var(--card-hover);
            color: var(--text-primary);
        }

        .scenario-btn.active {
            background: var(--accent-light);
            border-color: var(--accent);
            color: var(--accent);
        }

        .scenario-btn .label {
            font-weight: 500;
            display: block;
        }

        .scenario-btn .desc {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        
        /* Role Selector within Scenario */
        .role-selector {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 10px;
            padding-top: 10px;
            border-top: 1px solid var(--border-color);
        }
        
        .role-label {
            font-size: 0.7rem;
            color: var(--text-muted);
            white-space: nowrap;
        }
        
        .role-btn {
            flex: 1;
            padding: 6px 10px;
            font-size: 0.7rem;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            background: var(--card-secondary);
            color: var(--text-secondary);
            cursor: pointer;
            transition: all 0.2s ease;
        }
        
        .role-btn:hover {
            background: var(--card-hover);
            color: var(--text-primary);
        }
        
        .role-btn.active {
            background: var(--accent);
            border-color: var(--accent);
            color: white;
        }

        /* Controls Card */
        .controls-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
        }

        .control-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 12px;
            border-radius: 8px;
            font-size: 0.8rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s ease;
            border: 1px solid var(--border-color);
        }

        .control-btn.primary {
            background: var(--accent);
            border-color: var(--accent);
            color: white;
        }

        .control-btn.primary:hover {
            background: var(--accent-hover);
        }

        .control-btn.secondary {
            background: var(--card-secondary);
            color: var(--text-secondary);
        }

        .control-btn.secondary:hover {
            background: var(--card-hover);
            color: var(--text-primary);
        }

        .control-btn.danger {
            background: var(--danger);
            border-color: var(--danger);
            color: white;
        }

        .control-btn.danger:hover {
            background: #dc2626;
        }

        .control-btn.warning {
            background: #f59e0b;
            border-color: #f59e0b;
            color: white;
            animation: pulse-warning 1s ease-in-out infinite;
        }

        .control-btn.warning:hover {
            background: #d97706;
        }

        @keyframes pulse-warning {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        .control-btn.full-width {
            grid-column: span 2;
        }

        .control-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        /* Toggle Buttons */
        .toggle-group {
            display: flex;
            background: var(--card-secondary);
            border-radius: 8px;
            padding: 4px;
            gap: 4px;
        }

        .toggle-btn {
            flex: 1;
            padding: 8px 12px;
            border: none;
            border-radius: 6px;
            background: transparent;
            color: var(--text-muted);
            font-size: 0.75rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .toggle-btn.active {
            background: var(--accent);
            color: white;
        }

        .toggle-btn:hover:not(.active) {
            color: var(--text-primary);
        }

        /* Webcam Preview */
        .webcam-container {
            position: relative;
            background: var(--bg-tertiary);
            border-radius: 8px;
            overflow: hidden;
            aspect-ratio: 4/3;
        }

        #webcamPreview {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transform: scaleX(-1);
        }

        .webcam-overlay {
            position: absolute;
            bottom: 8px;
            left: 8px;
            right: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .eye-contact-indicator {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 4px 10px;
            background: rgba(0, 0, 0, 0.6);
            border-radius: 20px;
            font-size: 0.7rem;
        }

        .eye-contact-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--text-muted);
            transition: background 0.3s ease;
        }

        .eye-contact-dot.active {
            background: var(--success);
        }

        /* Main Content */
        .main-content {
            display: flex;
            flex-direction: column;
            min-height: 0;
        }

        /* Chat Container */
        .chat-container {
            flex: 1;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            display: flex;
            flex-direction: column;
            min-height: 0;
            overflow: hidden;
        }

        .chat-header {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-shrink: 0;
        }

        .chat-header h2 {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .status-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            background: var(--card-secondary);
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--text-muted);
            transition: all 0.3s ease;
        }

        /* Connecting state - pulsing yellow */
        .status-badge.connecting {
            background: rgba(234, 179, 8, 0.15);
            color: #eab308;
        }
        .status-badge.connecting .status-dot {
            background: #eab308;
            animation: pulse 1s infinite;
        }

        /* Connected state - solid green */
        .status-badge.connected {
            background: rgba(34, 197, 94, 0.15);
            color: var(--success);
        }
        .status-badge.connected .status-dot {
            background: var(--success);
        }

        /* Recording state - pulsing red */
        .status-badge.recording .status-dot {
            background: var(--danger);
            animation: pulse 1.5s infinite;
        }

        /* Error/Disconnected state - red */
        .status-badge.error, .status-badge.disconnected {
            background: rgba(239, 68, 68, 0.15);
            color: var(--danger);
        }
        .status-badge.error .status-dot, .status-badge.disconnected .status-dot {
            background: var(--danger);
        }

        /* Loading models state */
        .status-badge.loading {
            background: rgba(99, 102, 241, 0.15);
            color: var(--primary);
        }
        .status-badge.loading .status-dot {
            background: var(--primary);
            animation: pulse 1.2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.8); }
        }

        /* Reconnect button */
        .reconnect-btn {
            display: none;
            padding: 6px 14px;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            margin-left: 8px;
        }
        .reconnect-btn:hover {
            background: var(--primary-hover);
            transform: scale(1.02);
        }
        .reconnect-btn.visible {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Toggle Switch Styles */
        .toggle-switch {
            position: relative;
            display: inline-block;
            width: 44px;
            height: 24px;
        }
        .toggle-switch input {
            opacity: 0;
            width: 0;
            height: 0;
        }
        .toggle-slider {
            position: absolute;
            cursor: pointer;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--card-secondary);
            border-radius: 24px;
            transition: 0.3s;
        }
        .toggle-slider:before {
            position: absolute;
            content: "";
            height: 18px;
            width: 18px;
            left: 3px;
            bottom: 3px;
            background-color: var(--text-muted);
            border-radius: 50%;
            transition: 0.3s;
        }
        .toggle-switch input:checked + .toggle-slider {
            background-color: var(--primary);
        }
        .toggle-switch input:checked + .toggle-slider:before {
            transform: translateX(20px);
            background-color: white;
        }

        .chat-messages {
            flex: 1;
            padding: 20px;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
            min-height: 0;
        }

        .message {
            max-width: 80%;
            padding: 12px 16px;
            border-radius: 12px;
            font-size: 0.875rem;
            line-height: 1.5;
        }

        .message.user {
            background: var(--accent);
            color: white;
            align-self: flex-end;
            border-bottom-right-radius: 4px;
        }

        .message.assistant {
            background: var(--card-secondary);
            color: var(--text-primary);
            align-self: flex-start;
            border-bottom-left-radius: 4px;
        }

        .message.safety-warning {
            background: var(--danger-light);
            color: var(--text-primary);
            align-self: stretch;
            max-width: 100%;
            border: 1px solid var(--danger);
            border-radius: 8px;
        }

        .message .role {
            font-size: 0.65rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            opacity: 0.7;
            margin-bottom: 4px;
        }

        /* VAD Status */
        .vad-status {
            padding: 8px 20px;
            border-top: 1px solid var(--border-color);
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .vad-indicator {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--text-muted);
            transition: all 0.2s ease;
        }

        .vad-indicator.speaking {
            background: var(--success);
            box-shadow: 0 0 8px var(--success);
        }

        /* Inline Controls Bar */
        .chat-controls-bar {
            padding: 12px 16px;
            border-top: 1px solid var(--border-color);
            background: var(--card-secondary);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        .inline-mode-toggle {
            display: flex;
            background: var(--bg-tertiary);
            border-radius: 6px;
            padding: 3px;
            gap: 2px;
        }

        .inline-mode-btn {
            padding: 6px 12px;
            border: none;
            border-radius: 4px;
            background: transparent;
            color: var(--text-muted);
            font-size: 0.7rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.15s ease;
            white-space: nowrap;
        }

        .inline-mode-btn.active {
            background: var(--accent);
            color: white;
        }

        .inline-mode-btn:hover:not(.active) {
            color: var(--text-primary);
            background: var(--card-hover);
        }

        .inline-control-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.15s ease;
            border: 1px solid var(--border-color);
            white-space: nowrap;
        }

        .inline-control-btn.primary {
            background: var(--accent);
            border-color: var(--accent);
            color: white;
            flex: 1;
            max-width: 200px;
        }

        .inline-control-btn.primary:hover {
            background: var(--accent-hover);
        }

        .inline-control-btn.secondary {
            background: var(--bg-tertiary);
            color: var(--text-secondary);
        }

        .inline-control-btn.secondary:hover {
            background: var(--card-hover);
            color: var(--text-primary);
        }

        .inline-control-btn.danger {
            background: var(--danger);
            border-color: var(--danger);
            color: white;
            padding: 10px 32px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .inline-control-btn.danger:hover {
            background: #dc2626;
        }

        .inline-control-btn.warning {
            background: #f59e0b;
            border-color: #f59e0b;
            color: white;
            animation: pulse-warning 1s ease-in-out infinite;
        }

        .controls-spacer {
            flex: 1;
        }

        @media (max-width: 768px) {
            .chat-controls-bar {
                justify-content: center;
            }
            .inline-control-btn.primary {
                max-width: none;
            }
        }

        /* Top Action Bar */
        .top-action-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1500px;
            margin: 0 auto;
            padding: 8px 20px;
            gap: 16px;
            flex-shrink: 0;
        }

        .quick-start-container {
            display: flex;
            align-items: center;
            gap: 12px;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            padding: 12px 20px;
            border-radius: 10px;
            box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
        }

        .quick-start-text {
            color: white;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .quick-start-text strong {
            color: #fff;
        }

        .quick-start-steps {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.85rem;
        }

        .quick-start-steps .step-arrow {
            color: rgba(255, 255, 255, 0.6);
        }

        .top-action-buttons {
            display: flex;
            gap: 8px;
        }

        .top-action-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.15s ease;
            border: 1px solid var(--border-color);
            background: var(--card-bg);
            color: var(--text-secondary);
        }

        .top-action-btn:hover {
            background: var(--card-hover);
            color: var(--text-primary);
        }

        .top-action-btn.btn-about {
            background: var(--card-secondary);
            border-color: #06b6d4;
            color: #06b6d4;
        }

        .top-action-btn.btn-about:hover {
            background: rgba(6, 182, 212, 0.15);
        }

        .top-action-btn.btn-how-to-use {
            background: #4f46e5;
            border-color: #4f46e5;
            color: white;
        }

        .top-action-btn.btn-how-to-use:hover {
            background: #4338ca;
            border-color: #4338ca;
        }

        /* How to Use Collapsible */
        .how-to-use-bar {
            max-width: 1500px;
            margin: 0 auto 8px auto;
            padding: 0 20px;
            flex-shrink: 0;
        }

        .how-to-use-content {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 12px 16px;
            display: none;
        }

        .how-to-use-content.visible {
            display: block;
        }

        /* Settings/Results Modal */
        .slide-panel {
            position: fixed;
            top: 0;
            right: -400px;
            width: 380px;
            height: 100vh;
            background: var(--bg-secondary);
            border-left: 1px solid var(--border-color);
            z-index: 1001;
            transition: right 0.3s ease;
            overflow-y: auto;
            padding: 20px;
        }

        .slide-panel.open {
            right: 0;
        }

        .slide-panel-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-color);
        }

        .slide-panel-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .slide-panel-close {
            background: transparent;
            border: none;
            font-size: 1.5rem;
            color: var(--text-muted);
            cursor: pointer;
            padding: 4px;
            line-height: 1;
        }

        .slide-panel-close:hover {
            color: var(--text-primary);
        }

        .panel-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            display: none;
        }

        .panel-overlay.visible {
            display: block;
        }

        /* Analysis Modal */
        .modal-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.8);
            z-index: 1000;
            align-items: center;
            justify-content: center;
            padding: 24px;
        }

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

        .modal {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            max-width: 700px;
            width: 100%;
            max-height: 90vh;
            overflow-y: auto;
        }

        .modal-header {
            padding: 24px;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .modal-header h2 {
            font-size: 1.25rem;
            font-weight: 600;
        }

        .modal-close {
            background: none;
            border: none;
            color: var(--text-muted);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px;
            line-height: 1;
        }

        .modal-close:hover {
            color: var(--text-primary);
        }

        .modal-body {
            padding: 24px;
        }

        /* Overall Score Circle */
        .score-section {
            text-align: center;
            margin-bottom: 32px;
        }

        .score-circle {
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: conic-gradient(var(--accent) var(--score-percent, 0%), var(--card-secondary) 0%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
        }

        .score-circle::before {
            content: '';
            position: absolute;
            width: 110px;
            height: 110px;
            border-radius: 50%;
            background: var(--card-bg);
        }

        .score-value {
            position: relative;
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .score-value span {
            font-size: 1rem;
            color: var(--text-muted);
        }

        .score-label {
            color: var(--text-muted);
            font-size: 0.875rem;
        }

        /* Analysis Grid */
        .analysis-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        @media (max-width: 600px) {
            .analysis-grid {
                grid-template-columns: 1fr;
            }
        }

        .analysis-card {
            background: var(--card-secondary);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 16px;
        }

        .analysis-card.full-width {
            grid-column: span 2;
        }

        @media (max-width: 600px) {
            .analysis-card.full-width {
                grid-column: span 1;
            }
        }

        .analysis-card h4 {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .analysis-card .value {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .analysis-card .rating {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 500;
        }

        .rating.excellent {
            background: var(--success-light);
            color: var(--success);
        }

        .rating.good {
            background: var(--accent-light);
            color: var(--accent);
        }

        .rating.fair {
            background: var(--warning-light);
            color: var(--warning);
        }

        .rating.needs-work {
            background: var(--danger-light);
            color: var(--danger);
        }

        .analysis-card .feedback {
            margin-top: 8px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .analysis-card .bullet-feedback {
            margin: 8px 0 0 0;
            padding-left: 1.2em;
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .analysis-card .bullet-feedback li {
            margin-bottom: 4px;
        }

        .analysis-card .suggestion {
            margin-top: 8px;
            padding: 8px 12px;
            background: var(--bg-tertiary);
            border-radius: 8px;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* Filler Words List */
        .filler-list {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 8px;
        }

        .filler-tag {
            padding: 4px 10px;
            background: var(--bg-tertiary);
            border-radius: 20px;
            font-size: 0.75rem;
            color: var(--text-secondary);
        }

        /* AI Summary */
        .ai-summary {
            background: var(--bg-tertiary);
            border-radius: 8px;
            padding: 16px;
            font-size: 0.875rem;
            line-height: 1.6;
            color: var(--text-secondary);
        }

        /* Loading State */
        .loading {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 40px;
            color: var(--text-muted);
        }

        .spinner {
            width: 20px;
            height: 20px;
            border: 2px solid var(--border-color);
            border-top-color: var(--accent);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        /* Enhanced Analysis Loading Animation */
        .analysis-loading {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 60px 40px;
            gap: 24px;
        }
        
        .analysis-loading-spinner {
            width: 80px;
            height: 80px;
            position: relative;
        }
        
        .analysis-loading-spinner::before,
        .analysis-loading-spinner::after {
            content: '';
            position: absolute;
            border-radius: 50%;
        }
        
        .analysis-loading-spinner::before {
            width: 100%;
            height: 100%;
            border: 4px solid var(--border-color);
            border-top-color: var(--accent);
            animation: spin 1s linear infinite;
        }
        
        .analysis-loading-spinner::after {
            width: 60%;
            height: 60%;
            top: 20%;
            left: 20%;
            border: 3px solid transparent;
            border-bottom-color: var(--success);
            animation: spin 0.8s linear infinite reverse;
        }
        
        .analysis-loading-text {
            font-size: 1.1rem;
            color: var(--text-primary);
            font-weight: 500;
        }
        
        .analysis-loading-steps {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 16px;
        }
        
        .analysis-step {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: all 0.3s ease;
        }
        
        .analysis-step.active {
            color: var(--accent);
        }
        
        .analysis-step.complete {
            color: var(--success);
        }
        
        .analysis-step-icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            background: var(--bg-tertiary);
            border: 2px solid var(--border-color);
            transition: all 0.3s ease;
        }
        
        .analysis-step.active .analysis-step-icon {
            border-color: var(--accent);
            animation: pulse 1s ease-in-out infinite;
        }
        
        .analysis-step.complete .analysis-step-icon {
            background: var(--success);
            border-color: var(--success);
            color: white;
        }
        
        @keyframes pulse {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.1); opacity: 0.8; }
        }
        
        /* Achievement Toast Notification */
        .achievement-toast {
            position: fixed;
            top: 20px;
            right: 20px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 16px 24px;
            border-radius: 12px;
            box-shadow: 0 10px 40px rgba(102, 126, 234, 0.4);
            z-index: 10000;
            display: flex;
            align-items: center;
            gap: 16px;
            transform: translateX(120%);
            transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
            max-width: 350px;
        }
        
        .achievement-toast.visible {
            transform: translateX(0);
        }
        
        .achievement-icon {
            font-size: 2.5rem;
            animation: bounce 0.6s ease-in-out;
        }
        
        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        
        .achievement-content {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        
        .achievement-title {
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            opacity: 0.9;
        }
        
        .achievement-name {
            font-size: 1.1rem;
            font-weight: 700;
        }
        
        .achievement-description {
            font-size: 0.8rem;
            opacity: 0.85;
        }
        
        /* Achievement Badge in Results */
        .achievements-section {
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        
        .achievements-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 12px;
        }
        
        .achievement-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
            border: 1px solid rgba(102, 126, 234, 0.3);
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--text-primary);
        }
        
        .achievement-badge.new {
            animation: glow 1s ease-in-out infinite alternate;
        }
        
        .new-count {
            color: #4ade80;
            font-weight: 600;
            font-size: 0.9em;
            margin-left: 8px;
        }
        
        @keyframes glow {
            from { box-shadow: 0 0 5px rgba(102, 126, 234, 0.3); }
            to { box-shadow: 0 0 15px rgba(102, 126, 234, 0.6); }
        }
        
        .achievement-badge-icon {
            font-size: 1.2rem;
        }

        /* Icons (simple CSS-based) */
        .icon {
            display: inline-block;
            width: 16px;
            height: 16px;
        }

        /* Settings Card Styles */
        .settings-section {
            margin-bottom: 16px;
        }

        .settings-section:last-child {
            margin-bottom: 0;
        }

        .settings-label {
            font-size: 0.75rem;
            color: var(--text-secondary);
            margin-bottom: 6px;
            display: block;
        }

        .settings-select {
            width: 100%;
            padding: 8px 10px;
            border-radius: 6px;
            border: 1px solid var(--border-color);
            background: var(--card-secondary);
            color: var(--text-primary);
            font-size: 0.8rem;
            cursor: pointer;
        }

        .settings-select:hover {
            border-color: var(--accent);
        }

        .settings-select:focus {
            outline: none;
            border-color: var(--accent);
        }

        .settings-select:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            background: var(--bg-tertiary);
        }

        .settings-input {
            width: 100%;
            padding: 8px 10px;
            border-radius: 6px;
            border: 1px solid var(--border-color);
            background: var(--card-secondary);
            color: var(--text-primary);
            font-size: 0.8rem;
        }

        .settings-input:focus {
            outline: none;
            border-color: var(--accent);
        }

        .settings-slider {
            width: 100%;
            margin-top: 4px;
        }

        .slider-value {
            font-size: 0.7rem;
            color: var(--text-muted);
            margin-left: 8px;
        }

        .settings-row {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* Results List */
        .results-list {
            max-height: 200px;
            overflow-y: auto;
            margin-top: 8px;
        }

        .result-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px;
            background: var(--card-secondary);
            border-radius: 6px;
            margin-bottom: 6px;
            font-size: 0.75rem;
        }

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

        .result-info {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .result-score {
            font-weight: 600;
            color: var(--accent);
        }

        .result-date {
            color: var(--text-muted);
            font-size: 0.7rem;
        }

        .result-actions {
            display: flex;
            gap: 4px;
        }

        .result-btn {
            padding: 4px 8px;
            border: none;
            border-radius: 4px;
            font-size: 0.7rem;
            cursor: pointer;
            background: var(--card-hover);
            color: var(--text-secondary);
        }

        .result-btn:hover {
            background: var(--accent-light);
            color: var(--accent);
        }

        .result-btn.delete:hover {
            background: var(--danger-light);
            color: var(--danger);
        }

        .collapsible-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            padding: 4px 0;
        }

        .collapsible-header:hover {
            color: var(--accent);
        }

        .collapsible-content {
            display: none;
            padding-top: 12px;
        }

        .collapsible-content.open {
            display: block;
        }

        .collapse-icon {
            transition: transform 0.2s ease;
        }

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

        /* Malwarebytes Browser Guard Warning Banner */
        .security-warning-banner {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 10000;
            background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
            color: white;
            padding: 16px 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            animation: slideDown 0.3s ease-out;
        }
        .security-warning-banner.visible {
            display: block;
        }
        @keyframes slideDown {
            from { transform: translateY(-100%); }
            to { transform: translateY(0); }
        }
        .warning-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }
        .warning-icon {
            font-size: 2rem;
            flex-shrink: 0;
        }
        .warning-text {
            flex: 1;
        }
        .warning-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .warning-description {
            font-size: 0.9rem;
            line-height: 1.5;
            opacity: 0.95;
            margin-bottom: 12px;
        }
        .warning-steps {
            background: rgba(0, 0, 0, 0.15);
            border-radius: 8px;
            padding: 12px 16px;
            margin-bottom: 12px;
        }
        .warning-steps ol {
            margin: 0;
            padding-left: 20px;
        }
        .warning-steps li {
            margin-bottom: 4px;
            font-size: 0.85rem;
        }
        .warning-steps strong {
            color: #fff;
        }
        .warning-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .warning-btn {
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: all 0.2s;
        }
        .warning-btn.primary {
            background: white;
            color: #f7931e;
        }
        .warning-btn.primary:hover {
            background: #f0f0f0;
            transform: scale(1.02);
        }
        .warning-btn.secondary {
            background: rgba(255, 255, 255, 0.2);
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.4);
        }
        .warning-btn.secondary:hover {
            background: rgba(255, 255, 255, 0.3);
        }
        .warning-close {
            position: absolute;
            top: 12px;
            right: 16px;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            opacity: 0.7;
            transition: opacity 0.2s;
            line-height: 1;
        }
        .warning-close:hover {
            opacity: 1;
        }
        .warning-badge {
            background: rgba(0, 0, 0, 0.2);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        body.has-warning-banner {
            padding-top: 0;
        }
        body.has-warning-banner .header {
            margin-top: 10px;
        }

        /* Queue / Waiting Screen */
        .queue-overlay {
            position: fixed;
            inset: 0;
            background: radial-gradient(circle at top, rgba(99, 102, 241, 0.2), rgba(10, 10, 15, 0.95)),
                        linear-gradient(135deg, rgba(10,10,15,0.98), rgba(22,22,31,0.98));
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            backdrop-filter: blur(6px);
        }
        .queue-overlay.visible {
            display: flex;
        }
        .queue-card {
            width: min(560px, 90vw);
            background: rgba(18, 18, 26, 0.9);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            padding: 28px;
            text-align: center;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
            position: relative;
            overflow: hidden;
        }
        .queue-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .queue-subtitle {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 18px;
        }
        .queue-position {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent);
            margin: 10px 0 6px;
        }
        .queue-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .queue-anim {
            height: 120px;
            margin: 16px 0 20px;
            position: relative;
        }
        .queue-orbit {
            position: absolute;
            inset: 0;
            margin: auto;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            border: 2px dashed rgba(99, 102, 241, 0.35);
            animation: spin 12s linear infinite;
        }
        .queue-dot {
            position: absolute;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 16px rgba(99,102,241,0.8);
            animation: pulse 2s ease-in-out infinite;
            top: -7px;
            left: calc(50% - 7px);
        }
        .queue-bar {
            height: 8px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 999px;
            overflow: hidden;
            margin: 16px 0 12px;
        }
        .queue-bar-fill {
            height: 100%;
            width: 0%;
            background: linear-gradient(90deg, var(--accent), #22d3ee);
            transition: width 0.4s ease;
        }
        .queue-audio-note {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 10px;
        }
        .queue-ai-disclaimer {
            font-size: 0.7rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        @keyframes spin {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }
        @keyframes pulse {
            0%, 100% { transform: scale(1); opacity: 0.8; }
            50% { transform: scale(1.25); opacity: 1; }
        }

        /* Loading Screen Spinner */
        .loading-spinner {
            position: absolute;
            inset: 0;
            margin: auto;
            width: 120px;
            height: 120px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .spinner-ring {
            position: absolute;
            width: 100%;
            height: 100%;
            border: 4px solid rgba(99, 102, 241, 0.2);
            border-top: 4px solid var(--accent);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }
        .spinner-brain {
            font-size: 2.5rem;
            animation: pulse 2s ease-in-out infinite;
        }
        .loading-back-link {
            display: block;
            color: var(--accent);
            text-decoration: none;
            font-size: 0.85rem;
            margin-bottom: 16px;
            transition: color 0.2s;
        }
        .loading-back-link:hover {
            color: #818cf8;
            text-decoration: underline;
        }

        /* ============================================
           MOBILE RESPONSIVE STYLES
           Portrait mode (height > width) optimizations
           ============================================ */
        
        /* Mobile scenario button - shows on mobile */
        .mobile-scenario-btn {
            display: none;
            background: var(--accent);
            color: white;
            border: none;
            border-radius: 8px;
            padding: 10px 16px;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            width: 100%;
            margin-bottom: 8px;
        }

        .mobile-scenario-btn:active {
            transform: scale(0.98);
        }

        /* Portrait/mobile layout */
        @media (max-width: 768px), (orientation: portrait) and (max-width: 1024px) {
            body {
                padding-bottom: 35px;
            }

            .header {
                padding: 8px 12px;
            }

            .header h1 {
                font-size: 1.1rem;
                margin-bottom: 2px;
            }

            .header .subtitle {
                font-size: 0.7rem;
                display: none;
            }

            /* Hide sidebar on mobile - show via modal instead */
            .sidebar {
                display: none;
            }

            /* Show mobile scenario button */
            .mobile-scenario-btn {
                display: flex;
                align-items: center;
                justify-content: center;
                gap: 8px;
            }

            /* Full width main content */
            .container {
                grid-template-columns: 1fr;
                padding: 8px;
                gap: 8px;
            }

            /* Compact top action bar */
            .top-action-bar {
                flex-direction: column;
                padding: 6px 12px;
                gap: 8px;
            }

            /* Quick start takes half vertical - make it compact */
            .quick-start-container {
                flex-direction: column;
                padding: 10px 14px;
                gap: 6px;
                width: 100%;
                text-align: center;
            }

            .quick-start-text {
                font-size: 0.85rem;
            }

            .quick-start-steps {
                flex-wrap: wrap;
                justify-content: center;
                font-size: 0.75rem;
                gap: 4px;
            }

            .quick-start-steps .step-arrow {
                display: none;
            }

            .quick-start-steps span:not(.step-arrow)::after {
                content: " → ";
                color: rgba(255, 255, 255, 0.5);
            }

            .quick-start-steps span:not(.step-arrow):last-child::after {
                content: "";
            }

            /* Top action buttons evenly spaced on mobile */
            .top-action-buttons {
                width: 100%;
                justify-content: space-evenly;
                flex-wrap: wrap;
                display: flex;
                gap: 6px;
            }
            
            .top-action-btn {
                padding: 8px 10px;
                font-size: 0.7rem;
                flex: 1;
                min-width: 70px;
                max-width: 100px;
                text-align: center;
            }

            /* Main content needs flex layout for controls at bottom */
            .main-content {
                display: flex;
                flex-direction: column;
            }

            /* Chat controls fixed at bottom on mobile */
            .chat-controls-bar {
                flex-wrap: wrap;
                padding: 10px 12px;
                gap: 6px;
                border-radius: 0 !important;
                position: fixed;
                bottom: 35px; /* Above footer */
                left: 0;
                right: 0;
                z-index: 100;
                background: var(--card-bg);
                border-top: 1px solid var(--border);
            }
            
            /* Mode toggle full width */
            .inline-mode-toggle {
                width: 100%;
                justify-content: center;
                margin-bottom: 4px;
            }
            
            .inline-mode-btn {
                flex: 1;
                text-align: center;
                padding: 10px 8px;
                font-size: 0.75rem;
            }
            
            /* Control buttons layout on mobile */
            .inline-control-btn {
                padding: 10px 12px;
                font-size: 0.75rem;
                flex: 1;
                min-width: 60px;
            }
            
            /* End & Analyze button full width on mobile */
            .inline-control-btn.danger {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.8rem;
                order: 10;
                flex: none;
            }
            
            .controls-spacer {
                display: none;
            }
            
            /* Adjust chat container to account for fixed controls at bottom */
            .chat-container {
                margin-bottom: 160px; /* Space for fixed controls */
            }

            .inline-mode-toggle {
                width: 100%;
                justify-content: center;
                margin-bottom: 4px;
            }

            .inline-mode-btn {
                flex: 1;
                text-align: center;
                padding: 10px 8px;
                font-size: 0.75rem;
            }

            .inline-control-btn {
                padding: 10px 12px;
                font-size: 0.75rem;
                flex: 1;
                min-width: 0;
            }

            .inline-control-btn.primary {
                flex: 1;
                max-width: none;
            }

            .controls-spacer {
                display: none;
            }

            /* Chat header compact */
            .chat-header {
                padding: 10px 12px;
            }

            .chat-header h2 {
                font-size: 0.8rem;
            }

            .status-badge {
                padding: 4px 10px;
                font-size: 0.65rem;
            }

            /* Chat messages */
            .chat-messages {
                padding: 12px;
                gap: 10px;
            }

            .message {
                max-width: 90%;
                padding: 10px 12px;
                font-size: 0.8rem;
            }

            /* VAD status */
            .vad-status {
                padding: 6px 12px;
                font-size: 0.7rem;
            }

            /* Gallery modal full screen on mobile */
            .gallery-modal {
                padding: 10px;
            }

            .gallery-container {
                max-height: 90vh;
                width: 100%;
            }

            .gallery-grid {
                grid-template-columns: 1fr;
            }

            .gallery-scenario-btn {
                padding: 12px;
            }

            /* Slide panels full width on mobile */
            .slide-panel {
                width: 100%;
                right: -100%;
            }

            /* How to use content compact */
            .how-to-use-bar {
                padding: 0 12px;
            }

            .how-to-use-content {
                padding: 10px 12px;
            }

            .how-to-use-content h4 {
                font-size: 0.8rem;
            }

            .how-to-use-content ol {
                font-size: 0.7rem;
            }

            /* Hide webcam card on mobile by default */
            #webcamCard {
                display: none !important;
            }

            /* Footer compact */
            footer {
                padding: 4px 8px !important;
                font-size: 10px !important;
            }

            footer a {
                margin: 0 4px !important;
            }

            footer span {
                display: none;
            }
        }

        /* Extra small screens */
        @media (max-width: 480px) {
            .header h1 {
                font-size: 1rem;
            }

            .quick-start-container {
                padding: 8px 10px;
            }

            .quick-start-text {
                font-size: 0.8rem;
            }

            .top-action-btn {
                padding: 6px 10px;
                font-size: 0.7rem;
            }

            .inline-mode-btn {
                font-size: 0.65rem;
                padding: 6px 4px;
            }

            .inline-control-btn {
                padding: 6px 8px;
                font-size: 0.65rem;
            }
        }
        /* Demo Lock Screen */
        .demo-lock-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, var(--bg-primary) 0%, #0f0f1a 50%, var(--bg-secondary) 100%);
            z-index: 99999;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 20px;
        }
        
        .demo-lock-overlay.hidden {
            display: none;
        }
        
        .demo-lock-content {
            max-width: 500px;
            padding: 40px;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
        }
        
        .demo-lock-icon {
            font-size: 64px;
            margin-bottom: 20px;
        }
        
        .demo-lock-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        
        .demo-lock-subtitle {
            font-size: 1.1rem;
            color: var(--accent);
            margin-bottom: 8px;
            font-weight: 600;
        }
        
        .demo-lock-description {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 30px;
            line-height: 1.6;
        }
        
        .demo-lock-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        
        .demo-lock-form label {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            text-align: left;
        }
        
        .demo-lock-input {
            padding: 12px 16px;
            font-size: 1rem;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-primary);
            outline: none;
            transition: border-color 0.2s ease;
        }
        
        .demo-lock-input:focus {
            border-color: var(--accent);
        }
        
        .demo-lock-input.error {
            border-color: var(--danger);
            animation: shake 0.3s ease;
        }
        
        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            25% { transform: translateX(-5px); }
            75% { transform: translateX(5px); }
        }
        
        .demo-lock-btn {
            padding: 12px 24px;
            font-size: 1rem;
            font-weight: 600;
            background: var(--accent);
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s ease, transform 0.1s ease;
        }
        
        .demo-lock-btn:hover {
            background: var(--accent-hover);
        }
        
        .demo-lock-btn:active {
            transform: scale(0.98);
        }
        
        .demo-lock-error {
            color: var(--danger);
            font-size: 0.85rem;
            margin-top: 8px;
            min-height: 20px;
        }
        
        .demo-lock-features {
            margin-top: 30px;
            padding: 16px;
            background: var(--accent-light);
            border-radius: 8px;
            text-align: left;
        }
        
        .demo-lock-features h4 {
            font-size: 0.85rem;
            color: var(--accent);
            margin-bottom: 10px;
        }
        
        .demo-lock-features ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .demo-lock-features li {
            font-size: 0.85rem;
            color: var(--text-secondary);
            padding: 4px 0;
        }
        
        .demo-lock-features li::before {
            content: "✓ ";
            color: var(--success);
        }