#showcase-root {
            font-family: 'Inter', 'Noto Sans TC', sans-serif;
            background-color: #0b0f19;
            background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.05) 1px, transparent 0);
            background-size: 2.5rem 2.5rem;
        }

        #showcase-root .font-orbitron {
            font-family: 'Orbitron', sans-serif;
        }

        #showcase-root .font-audiowide {
            font-family: 'Audiowide', sans-serif;
        }

        #showcase-root .device-frame {
            background: linear-gradient(145deg, #1a1a1a, #2d2d2d);
            border-radius: 1.5rem;
            padding: 0.75rem;
            box-shadow:
                0 25px 50px rgba(0, 0, 0, 0.4),
                inset 0 1px 2px rgba(255, 255, 255, 0.1),
                inset 0 -1px 2px rgba(0, 0, 0, 0.5);
            position: relative;
            border: 1px solid #333;
        }

        #showcase-root .screen-container {
            width: 100%;
            height: 100%;
            background: #000;
            border-radius: 1rem;
            overflow: hidden;
            position: relative;
            box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.8);
        }

        #showcase-root .space-bg {
            background:
                /* Deep space nebula */
                radial-gradient(ellipse at 10% 20%, rgba(147, 51, 234, 0.4) 0%, transparent 40%),
                radial-gradient(ellipse at 90% 80%, rgba(59, 130, 246, 0.3) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 10%, rgba(251, 146, 60, 0.2) 0%, transparent 30%),
                /* Distant planets */
                radial-gradient(circle at 85% 15%, rgba(220, 38, 38, 0.6) 0%, rgba(220, 38, 38, 0.2) 8%, transparent 12%),
                radial-gradient(circle at 15% 85%, rgba(34, 197, 94, 0.5) 0%, rgba(34, 197, 94, 0.1) 6%, transparent 10%),
                /* Stars field */
                radial-gradient(1px 1px at 10% 20%, #ffffff, transparent),
                radial-gradient(1px 1px at 20% 40%, rgba(255, 255, 255, 0.8), transparent),
                radial-gradient(2px 2px at 30% 70%, #ffffff, transparent),
                radial-gradient(1px 1px at 40% 30%, rgba(255, 255, 255, 0.9), transparent),
                radial-gradient(1px 1px at 50% 80%, #ffffff, transparent),
                radial-gradient(2px 2px at 60% 50%, rgba(255, 255, 255, 0.7), transparent),
                radial-gradient(1px 1px at 70% 10%, #ffffff, transparent),
                radial-gradient(1px 1px at 80% 60%, rgba(255, 255, 255, 0.8), transparent),
                radial-gradient(1px 1px at 90% 30%, #ffffff, transparent),
                radial-gradient(2px 2px at 95% 90%, rgba(255, 255, 255, 0.9), transparent),
                /* Base gradient */
                linear-gradient(135deg, #0a0d1a 0%, #1a1d3a 30%, #0f0820 60%, #0c0d1a 100%);
            background-size:
                100% 100%, 100% 100%, 100% 100%, 100% 100%, 100% 100%,
                300px 300px, 400px 400px, 350px 350px, 500px 500px, 450px 450px,
                380px 380px, 420px 420px, 600px 600px, 550px 550px, 480px 480px,
                100% 100%;
            position: relative;
        }

        #showcase-root .space-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                /* Spaceship silhouettes in distance */
                linear-gradient(45deg, transparent 47%, rgba(100, 116, 139, 0.1) 47.5%, rgba(100, 116, 139, 0.1) 48%, transparent 48.5%) 20% 30%,
                linear-gradient(-45deg, transparent 49%, rgba(100, 116, 139, 0.05) 49.2%, rgba(100, 116, 139, 0.05) 49.8%, transparent 50%) 70% 60%;
            background-size: 150px 50px, 120px 40px;
            background-repeat: no-repeat;
            opacity: 0.3;
        }

        @keyframes llm07-chat-etiquette-fadeIn {
            from {
                opacity: 0;
                transform: translateY(10px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes llm07-chat-etiquette-pulse {

            0%,
            100% {
                opacity: 1;
            }

            50% {
                opacity: 0.6;
            }
        }

        @keyframes llm07-chat-etiquette-laserPulse {

            0%,
            100% {
                opacity: 0;
                transform: scaleX(0);
            }

            50% {
                opacity: 1;
                transform: scaleX(1);
            }
        }

        @keyframes llm07-chat-etiquette-energyPulse {

            0%,
            100% {
                opacity: 0.3;
                transform: scaleY(0.5);
            }

            50% {
                opacity: 1;
                transform: scaleY(1);
            }
        }

        @keyframes llm07-chat-etiquette-float {

            0%,
            100% {
                transform: translateY(0px);
            }

            50% {
                transform: translateY(-5px);
            }
        }

        @keyframes llm07-chat-etiquette-twinkle {

            0%,
            100% {
                opacity: 0.3;
            }

            50% {
                opacity: 1;
            }
        }

        @keyframes llm07-chat-etiquette-slideDown {
            from {
                transform: translateY(-100%);
                opacity: 0;
            }

            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        @keyframes llm07-chat-etiquette-slideUp {
            from {
                transform: translateY(100%);
                opacity: 0;
            }

            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        @keyframes llm07-chat-etiquette-scanLine {
            0% {
                transform: translateX(-100%);
                opacity: 0;
            }

            50% {
                opacity: 1;
            }

            100% {
                transform: translateX(100%);
                opacity: 0;
            }
        }

        @keyframes llm07-chat-etiquette-shipFly {
            0% {
                transform: translateX(-50px) translateY(10px);
                opacity: 0;
            }

            50% {
                opacity: 0.6;
            }

            100% {
                transform: translateX(150px) translateY(-10px);
                opacity: 0;
            }
        }

        @keyframes llm07-chat-etiquette-spaceGlow {

            0%,
            100% {
                opacity: 0.5;
            }

            50% {
                opacity: 1.0;
            }
        }

        #showcase-root .fade-in {
            animation: llm07-chat-etiquette-fadeIn 0.5s ease-out forwards;
        }

        #showcase-root .pulse {
            animation: llm07-chat-etiquette-pulse 2s ease-in-out infinite;
        }

        #showcase-root .float {
            animation: llm07-chat-etiquette-float 3s ease-in-out infinite;
        }

        #showcase-root .twinkle {
            animation: llm07-chat-etiquette-twinkle 4s ease-in-out infinite;
        }
        #showcase-root .laser-beam {
            position: absolute;
            height: 2px;
            background: linear-gradient(90deg, transparent, #00ffff, transparent);
            animation: llm07-chat-etiquette-laserPulse 3s ease-in-out infinite;
        }

        #showcase-root .laser-beam-1 {
            top: 15px;
            left: 20%;
            width: 120px;
            animation-delay: 0s;
        }

        #showcase-root .laser-beam-2 {
            top: 25px;
            right: 15%;
            width: 80px;
            background: linear-gradient(90deg, transparent, #ff00ff, transparent);
            animation-delay: 1s;
        }

        #showcase-root .laser-beam-3 {
            top: 35px;
            left: 60%;
            width: 100px;
            background: linear-gradient(90deg, transparent, #00ff00, transparent);
            animation-delay: 2s;
        }

        #showcase-root .energy-bar {
            position: absolute;
            width: 3px;
            height: 20px;
            background: linear-gradient(to bottom, #00ffff, transparent);
            animation: llm07-chat-etiquette-energyPulse 2s ease-in-out infinite;
        }

        #showcase-root .energy-bar-1 {
            top: 10px;
            left: 40%;
            animation-delay: 0.5s;
        }

        #showcase-root .energy-bar-2 {
            top: 20px;
            right: 30%;
            background: linear-gradient(to bottom, #ff00ff, transparent);
            animation-delay: 1.5s;
        }

        #showcase-root .scan-effect {
            position: absolute;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, transparent, #00ff00, transparent);
            box-shadow: 0 0 10px #00ff00;
            animation: llm07-chat-etiquette-scanLine 4s linear infinite;
        }

        #showcase-root .ship-trail {
            position: absolute;
            top: 20px;
            width: 20px;
            height: 6px;
            background: linear-gradient(90deg, rgba(59, 130, 246, 0.8), transparent);
            animation: llm07-chat-etiquette-shipFly 8s ease-in-out infinite;
        }

        #showcase-root .custom-scrollbar::-webkit-scrollbar {
            width: 6px;
        }

        #showcase-root .custom-scrollbar::-webkit-scrollbar-track {
            background: transparent;
        }

        #showcase-root .custom-scrollbar::-webkit-scrollbar-thumb {
            background-color: rgba(251, 146, 60, 0.4);
            border-radius: 10px;
        }

        #showcase-root .typing-indicator span {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: #9ca3af;
            animation: llm07-chat-etiquette-typing-blink 1.4s infinite both;
        }

        #showcase-root .typing-indicator span:nth-child(2) {
            animation-delay: 0.2s;
        }

        #showcase-root .typing-indicator span:nth-child(3) {
            animation-delay: 0.4s;
        }

        @keyframes llm07-chat-etiquette-typing-blink {

            0%,
            80%,
            100% {
                opacity: 0.2;
            }

            40% {
                opacity: 1;
            }
        }

        #showcase-root .chat-input {
            background: rgba(0, 0, 0, 0.7);
            transition: all 0.3s ease;
            border: 1px solid rgba(96, 165, 250, 0.3);
            color: #ffffff !important;
            font-weight: 600;
        }

        #showcase-root .chat-input:focus,#showcase-root
        .chat-input:read-only {
            background: rgba(0, 0, 0, 0.8);
            box-shadow: 0 0 15px rgba(96, 165, 250, 0.4);
            border-color: rgba(96, 165, 250, 0.8);
            outline: none;
        }

        #showcase-root .chat-input::placeholder {
            color: #cbd5e1 !important;
            font-weight: 500;
        }

        #showcase-root .btn-primary {
            background: linear-gradient(45deg, #3b82f6, #1d4ed8);
            transition: all 0.3s ease;
            box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
            color: #ffffff !important;
            font-weight: 800;
        }

        #showcase-root .btn-primary:hover:not(:disabled) {
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.8);
        }

        #showcase-root .btn-primary:disabled {
            background: #444;
            box-shadow: none;
            cursor: not-allowed;
        }

        #showcase-root .text-glow {
            color: #ffffff;
            font-weight: 800;
        }

        #showcase-root .hud-panel {
            background:
                radial-gradient(ellipse at 10% 20%, rgba(147, 51, 234, 0.2) 0%, transparent 40%),
                radial-gradient(ellipse at 90% 80%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 10%, rgba(251, 146, 60, 0.1) 0%, transparent 30%),
                rgba(0, 0, 0, 0.7);
            border: 1px solid rgba(96, 165, 250, 0.4);
            backdrop-filter: blur(10px);
            box-shadow: inset 0 0 20px rgba(96, 165, 250, 0.1);
        }

        #showcase-root .hud-text {
            color: #f8fafc;
            font-weight: 700;
        }

        #showcase-root .chat-title {
            color: #ffffff;
            font-weight: 800;
        }

        #showcase-root .chat-status {
            color: #22c55e;
            font-weight: 700;
        }

        #showcase-root .weapon-charge {
            background: linear-gradient(90deg, #ef4444 0%, #f97316 50%, #eab308 100%);
            height: 3px;
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(239, 68, 68, 0.5);
        }

        #showcase-root .shield-bar {
            background: linear-gradient(90deg, #3b82f6 0%, #06b6d4 100%);
            height: 4px;
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(59, 130, 246, 0.5);
        }
        #showcase-root .sidebar-panel {
            background: rgba(15, 23, 42, 0.95);
            backdrop-filter: blur(10px);
            border-left: 1px solid rgba(251, 146, 60, 0.3);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        #showcase-root .playbook-card {
            transition: all 0.3s ease;
            border: 1px solid rgba(251, 146, 60, 0.3);
            cursor: pointer;
        }

        #showcase-root .playbook-card:hover {
            border-color: rgba(251, 146, 60, 0.8);
            box-shadow: 0 0 15px rgba(251, 146, 60, 0.3);
            transform: translateX(-2px);
        }

        #showcase-root .playbook-card.selected {
            border-color: rgba(251, 146, 60, 1);
            background: rgba(251, 146, 60, 0.1);
            box-shadow: 0 0 20px rgba(251, 146, 60, 0.4);
        }

        #showcase-root .playbook-steps {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        #showcase-root .playbook-steps.expanded {
            max-height: 600px;
        }

        #showcase-root .attack-step {
            transition: all 0.3s ease;
        }

        #showcase-root .attack-step.completed {
            opacity: 0.5;
        }

        #showcase-root .attack-step.completed h4 {
            text-decoration: line-through;
        }

        #showcase-root .attack-step.current {
            border-color: rgba(251, 146, 60, 0.8);
            background: rgba(251, 146, 60, 0.1);
            box-shadow: 0 0 15px rgba(251, 146, 60, 0.3);
        }
        #showcase-root .chat-message {
            transition: all 0.3s ease;
            word-wrap: break-word;
            overflow-wrap: break-word;
            max-width: 100%;
        }

        #showcase-root .chat-message:hover {
            background: rgba(96, 165, 250, 0.05);
        }

        #showcase-root .chat-author {
            color: #ffffff !important;
            font-weight: 800;
        }

        #showcase-root .chat-content {
            color: #f1f5f9 !important;
            font-weight: 600;
        }

        #showcase-root .chat-timestamp {
            color: #e2e8f0 !important;
            font-weight: 500;
        }

        #showcase-root .user-message {
            background: rgba(59, 130, 246, 0.2);
            border-left: 3px solid #3b82f6;
        }

        #showcase-root .bot-message {
            background: rgba(6, 182, 212, 0.1);
            border-left: 3px solid #06b6d4;
        }

        #showcase-root .bot-message .message-content {
            font-family: 'Courier New', monospace;
            font-size: 0.8rem;
            line-height: 1.5;
            white-space: pre-line;
            word-wrap: break-word;
            overflow-wrap: break-word;
            margin-top: 0.25rem;
            color: #f1f5f9 !important;
            font-weight: 400;
        }

        #showcase-root .system-message {
            background: rgba(251, 146, 60, 0.1);
            border-left: 3px solid #fb923c;
        }

        #showcase-root .silver-text {
            color: #ffffff !important;
            font-weight: 700;
        }
        @media (max-width: 1023px) {
            #showcase-root .chat-room-container {
                height: 500px;
                max-height: 500px;
                min-height: 450px;
                flex: none;
            }

            #showcase-root .chat-window-area {
                height: 300px;
                max-height: 300px;
                min-height: 200px;
                flex: none;
            }

            #showcase-root .device-frame {
                height: auto !important;
                max-height: none !important;
            }

            #showcase-root .screen-container {
                height: auto;
            }

            #showcase-root .main-content-mobile {
                height: auto;
                max-height: none;
            }
            #showcase-root .sidebar-panel {
                border-left: none;
                border-top: 1px solid rgba(251, 146, 60, 0.3);
            }
        }
        @media (min-width: 1024px) {
            #showcase-root .chat-room-container {
                height: auto;
                max-height: none;
                min-height: 0;
            }

            #showcase-root .chat-window-area {
                height: auto;
                max-height: none;
                min-height: 0;
            }
        }