:root {
            --bg-color: #f8fafc; --text-color: #111827; --card-bg: white;
            --header-bg: rgba(255, 255, 255, 0.8); --subtle-text: #4b5563;
            --border-color: #e5e7eb; --accent-color: #4f46e5;
            --constellation-color: 'rgba(75, 85, 99, 0.8)';
        }
        html.dark {
            --bg-color: #0f172a; --text-color: #f8fafc; --card-bg: #1e293b;
            --header-bg: rgba(15, 23, 42, 0.8); --subtle-text: #94a3b8;
            --border-color: #334152; --accent-color: #818cf8;
            --constellation-color: 'rgba(156, 163, 175, 0.6)';
        }
        body {
            font-family: 'Inter', sans-serif; background-color: var(--bg-color);
            color: var(--text-color); transition: background-color 0.3s, color 0.3s;
        }
        .card, header, .terminal-window, .code-editor, .game-container {
            background-color: var(--card-bg); transition: background-color 0.3s;
        }
        header {
            backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
            background-color: var(--header-bg);
        }
        .text-subtle { color: var(--subtle-text); }
        .border-default { border-color: var(--border-color); }
        .text-accent { color: var(--accent-color); }
        .bg-accent { background-color: var(--accent-color); }
        .hover\:bg-accent-dark:hover { background-color: #4338ca; }
        html.dark .hover\:bg-accent-dark:hover { background-color: #6366f1; }

        #constellation-canvas { position: fixed; top: 0; left: 0; z-index: -1; }
        .content-wrapper { position: relative; z-index: 1; }
        
        #loader {
            position: fixed; top: 0; left: 0; width: 100%; height: 100%;
            background: #0f172a; z-index: 100; display: flex;
            flex-direction: column; align-items: center; justify-content: center;
            color: #f8fafc; font-family: 'Fira Code', monospace;
        }
        #loader p { margin-top: 1rem; }
        .progress-bar { width: 200px; height: 4px; background: #334152; margin-top: 1.5rem; }
        #progress { width: 0; height: 100%; background: #818cf8; transition: width 0.1s; }

        .code-editor { border: 1px solid var(--border-color); border-radius: 0.5rem; overflow: hidden; }
        .code-editor textarea {
            background: transparent; border: none; outline: none; resize: none;
            width: 100%; height: 250px; padding: 1rem; font-family: 'Fira Code', monospace;
            color: var(--text-color);
        }
        
        .card {
            border-radius: 0.75rem;
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -2px rgba(0,0,0,0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            overflow: hidden;
            border: 1px solid var(--border-color);
        }
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px -3px rgba(0,0,0,0.07), 0 4px 6px -2px rgba(0,0,0,0.05);
        }
        
        .tv-screen-container {
            background: #1f2937; border-radius: 1.5rem; padding: 1.5rem;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25), inset 0 0 20px rgba(0,0,0,0.5);
            position: relative; transform: perspective(1000px) rotateX(5deg);
            transition: transform 0.5s ease;
        }
        .tv-screen-container:hover { transform: perspective(1000px) rotateX(0deg); }
        .tv-screen {
            background: #000; border-radius: 0.75rem; overflow: hidden;
            aspect-ratio: 1 / 1; display: flex; align-items: center; justify-content: center;
            box-shadow: inset 0 0 15px rgba(255,255,255,0.1); position: relative;
        }
        .tv-stand { width: 40%; height: 1rem; background: #374151; margin: 0 auto; border-bottom-left-radius: 0.5rem; border-bottom-right-radius: 0.5rem; }
        .fake-ad {
            width: 100%; height: 100%; display: flex; flex-direction: column;
            align-items: center; justify-content: center; text-align: center;
            color: white; padding: 1rem; font-family: 'Helvetica Neue', sans-serif;
            opacity: 0; transition: opacity 1s ease-in-out; position: absolute;
        }
        .fake-ad.active { opacity: 1; }
        .konami-active .tv-screen { animation: rave 0.5s linear infinite; }
        @keyframes rave { 0% { filter: hue-rotate(0deg); } 100% { filter: hue-rotate(360deg); } }

        .terminal-window {
            font-family: 'Fira Code', monospace; border-radius: 0.5rem;
            box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); border: 1px solid var(--border-color);
        }
        .terminal-header { padding: 0.5rem 1rem; border-bottom: 1px solid var(--border-color); display: flex; align-items: center; gap: 0.5rem; }
        .terminal-dot { width: 12px; height: 12px; border-radius: 50%; }
        .terminal-body { 
            padding: 1.5rem; 
            font-size: 0.9rem; 
            line-height: 1.6; 
            cursor: text;
            outline: none;
            user-select: text;
        }
        .terminal-body:focus {
            box-shadow: inset 0 0 0 2px var(--accent-color);
        }
        .cursor { 
            display: inline-block; 
            background-color: var(--text-color); 
            width: 8px; 
            height: 1.2em; 
            animation: blink 1s infinite; 
        }
        @keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
        
        #matrix-canvas-container { position: relative; z-index: 1; border-radius: 0.75rem; overflow:hidden; }
        #matrix-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; opacity: 0.2; }
        
        .reveal-on-scroll {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }
        .reveal-on-scroll.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .skill { position: relative; }
        .skill-tooltip {
            position: absolute;
            bottom: 110%;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--card-bg);
            color: var(--text-color);
            padding: 0.5rem 1rem;
            border-radius: 0.5rem;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            border: 1px solid var(--border-color);
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s, visibility 0.3s;
            white-space: nowrap;
            z-index: 10;
        }
        .skill:hover .skill-tooltip {
            opacity: 1;
            visibility: visible;
        }

        /* Dino Game */
        #dino-game {
            width: 100%;
            height: 300px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            position: relative;
            background-color: var(--bg-color);
            background-image: 
                linear-gradient(transparent 0%, transparent 85%, var(--border-color) 85%, var(--border-color) 100%);
            background-size: 100% 50px;
            background-repeat: repeat-x;
            background-position: 0 bottom;
        }
        
        #dino {
            width: 60px;
            height: 60px;
            position: absolute;
            bottom: 50px;
            left: 50px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 60'%3E%3Cpath d='M10 50 L20 50 L20 40 L30 40 L30 30 L40 30 L40 20 L50 20 L50 10 L40 10 L30 10 L20 10 L10 10 L10 50 Z' fill='%234B5563'/%3E%3Ccircle cx='15' cy='15' r='2' fill='white'/%3E%3Cpath d='M5 45 L15 45 L15 50 L5 50 Z' fill='%234B5563'/%3E%3C/svg%3E");
            background-size: contain;
            background-repeat: no-repeat;
            transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        
        #dino.jump {
            transform: translateY(-120px);
        }
        
        #dino.running {
            animation: dinoRun 0.3s steps(2) infinite;
        }
        
        @keyframes dinoRun {
            0%, 100% { transform: translateY(0) rotate(0deg); }
            50% { transform: translateY(-5px) rotate(2deg); }
        }
        
        .obstacle {
            width: 30px;
            height: 60px;
            position: absolute;
            bottom: 50px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 60'%3E%3Cpath d='M5 60 L25 60 L25 40 L20 40 L20 30 L15 30 L15 20 L10 20 L10 10 L5 10 L5 60 Z' fill='%23111827'/%3E%3Crect x='8' y='35' width='14' height='5' fill='%234B5563'/%3E%3Crect x='10' y='25' width='10' height='5' fill='%234B5563'/%3E%3Crect x='12' y='15' width='6' height='5' fill='%234B5563'/%3E%3C/svg%3E");
            background-size: contain;
            background-repeat: no-repeat;
        }
        
        .obstacle.bird {
            width: 50px;
            height: 30px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 50 30'%3E%3Cpath d='M5 15 L15 5 L25 15 L35 5 L45 15 L35 25 L25 15 L15 25 L5 15 Z' fill='%23111827'/%3E%3Ccircle cx='10' cy='12' r='1' fill='white'/%3E%3Cpath d='M40 10 L45 8 L45 12 Z' fill='%23EF4444'/%3E%3C/svg%3E");
            background-size: contain;
            background-repeat: no-repeat;
            animation: birdFly 0.5s steps(2) infinite;
        }
        
        @keyframes birdFly {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-5px); }
        }
        
        .cloud {
            position: absolute;
            width: 60px;
            height: 30px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 30'%3E%3Cellipse cx='15' cy='15' rx='12' ry='8' fill='rgba(156, 163, 175, 0.3)'/%3E%3Cellipse cx='30' cy='15' rx='15' ry='10' fill='rgba(156, 163, 175, 0.3)'/%3E%3Cellipse cx='45' cy='15' rx='12' ry='8' fill='rgba(156, 163, 175, 0.3)'/%3E%3C/svg%3E");
            background-size: contain;
            background-repeat: no-repeat;
            opacity: 0.7;
        }
        
        .game-over {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: var(--card-bg);
            padding: 2rem;
            border-radius: 1rem;
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
            text-align: center;
            border: 2px solid var(--border-color);
            z-index: 10;
        }
        
        .game-over h3 {
            margin-bottom: 1rem;
            color: var(--text-color);
        }
        
        .game-over button {
            background: var(--accent-color);
            color: white;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 0.5rem;
            cursor: pointer;
            margin: 0.5rem;
            transition: background-color 0.2s;
        }
        
        .game-over button:hover {
            background: var(--accent-color);
            opacity: 0.9;
        }
        
        /* Dino Controls */
        .dino-controls {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        #jump-btn {
            transition: all 0.2s ease;
            user-select: none;
            -webkit-user-select: none;
            -webkit-touch-callout: none;
        }
        
        #jump-btn:active {
            transform: scale(0.95);
            box-shadow: 0 2px 8px rgba(0,0,0,0.3);
        }
        
        #jump-btn:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.3);
        }
        
        /* Snake Game */
        #snake-game {
            width: 100%;
            height: 300px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            position: relative;
            background-color: var(--bg-color);
            background-image: 
                linear-gradient(var(--border-color) 1px, transparent 1px),
                linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
            background-size: 20px 20px;
            background-position: 0 0;
        }
        
        #snake-head {
            width: 20px;
            height: 20px;
            position: absolute;
            background-color: var(--accent-color);
            border-radius: 2px;
            z-index: 10;
        }
        
        .snake-body {
            width: 20px;
            height: 20px;
            position: absolute;
            background-color: var(--accent-color);
            border-radius: 2px;
            opacity: 0.8;
        }
        
        .food {
            width: 20px;
            height: 20px;
            position: absolute;
            background-color: #ef4444;
            border-radius: 50%;
            animation: pulse 1s infinite;
        }
        
        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.1); }
        }
        
        .snake-controls {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .snake-btn {
            min-width: 50px;
            min-height: 40px;
            font-size: 1.2rem;
            font-weight: bold;
        }
        
        .snake-btn:active {
            transform: scale(0.95);
        }
        
        /* Memory Game */
        .memory-card {
            transition: transform 0.3s ease;
        }
        
        .memory-card.flipped {
            transform: rotateY(180deg);
        }
        
        .memory-card.matched {
            background-color: #10b981 !important;
            color: white;
        }
        
        /* Arcade Cabinet */
        .arcade-wrapper { }
        .arcade-cabinet {
            background: linear-gradient(180deg, #111827 0%, #1f2937 100%);
            border-radius: 1rem;
            border: 2px solid #374151;
            box-shadow: 0 20px 50px rgba(0,0,0,0.4), inset 0 0 20px rgba(255,255,255,0.05);
            padding: 1rem 1rem 1.25rem;
        }
        .arcade-marquee {
            background: linear-gradient(90deg, #ef4444, #f59e0b, #10b981, #3b82f6);
            padding: 0.5rem 1rem;
            border-radius: 0.5rem;
            border: 2px solid rgba(255,255,255,0.2);
            text-align: center;
            margin-bottom: 0.75rem;
            box-shadow: inset 0 0 10px rgba(0,0,0,0.3);
        }
        .marquee-text { color: #0f172a; font-weight: 800; letter-spacing: 0.2em; }
        .arcade-bezel {
            background: #0b1220;
            border: 8px solid #111827;
            border-radius: 0.75rem;
            padding: 0.5rem;
            box-shadow: inset 0 0 25px rgba(0,0,0,0.6);
        }
        .arcade-screen {
            width: 100%;
            height: 420px;
            background: #000;
            border-radius: 0.5rem;
            overflow: hidden;
            position: relative;
        }
        .arcade-control-panel {
            display: flex; gap: 1rem; align-items: center; justify-content: center;
            margin-top: 1rem;
            padding-top: 0.75rem;
            border-top: 2px solid #1f2937;
        }
        .virtual-joystick {
            width: 120px; height: 120px; border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #111827, #0b1220);
            border: 2px solid #374151;
            position: relative;
            touch-action: none;
            box-shadow: inset 0 0 15px rgba(0,0,0,0.6);
        }
        .virtual-joystick-knob {
            width: 56px; height: 56px; border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #111827, #0b1220);
            border: 2px solid #4b5563;
            position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
            box-shadow: 0 8px 14px rgba(0,0,0,0.5);
        }
        .arcade-button {
            width: 80px; height: 80px; border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #ef4444, #991b1b);
            border: 3px solid #7f1d1d; color: white; font-weight: 800; font-size: 1.25rem;
            box-shadow: 0 10px 0 #7f1d1d, 0 14px 20px rgba(0,0,0,0.4);
            transform: translateY(0);
            transition: transform 0.05s ease;
            user-select: none;
        }
        .arcade-button:active { transform: translateY(4px); box-shadow: 0 6px 0 #7f1d1d, 0 10px 16px rgba(0,0,0,0.4); }

        /* Wormhole Effect */
        .wormhole-bg {
            background: conic-gradient(from 0deg, #8b5cf6, #3b82f6, #8b5cf6, #3b82f6, #8b5cf6);
            background-size: 400% 400%;
            animation: wormholeSpin 3s linear infinite;
        }
        
        @keyframes wormholeSpin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Interactive Desktop */
        .monitor {
            background: #374151; /* gray-700 */
            border-radius: 1.5rem;
            padding: 1rem;
            padding-bottom: 3rem;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
            position: relative;
        }
        .monitor-screen {
            background: var(--bg-color);
            border-radius: 0.75rem;
            overflow: hidden;
            height: 400px;
            display: flex;
            flex-direction: column;
        }
        .browser-bar {
            display: flex;
            padding: 0.5rem;
            background: var(--card-bg);
            border-bottom: 1px solid var(--border-color);
            gap: 0.5rem;
        }
        #address-bar {
            flex-grow: 1;
            background: var(--bg-color);
            border: 1px solid var(--border-color);
            border-radius: 0.25rem;
            padding: 0.25rem 0.5rem;
            color: var(--text-color);
        }
        .browser-content {
            flex-grow: 1;
        }
        .browser-content iframe {
            width: 100%;
            height: 100%;
            border: none;
        }
        .keyboard {
            margin-top: 1.5rem;
            display: grid;
            gap: 0.5rem;
            justify-content: center;
        }
        .keyboard-row {
            display: flex;
            gap: 0.5rem;
            justify-content: center;
        }
        .key {
            padding: 0.75rem 1rem;
            border-radius: 0.5rem;
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            box-shadow: 0 2px 0 var(--border-color);
            cursor: pointer;
            transition: all 0.1s;
        }
        .key:active {
            transform: translateY(2px);
            box-shadow: none;
        }

        /* PSP Handheld */
        .psp-body {
            display: grid; grid-template-columns: 1fr 3fr 1fr; gap: 1rem;
            align-items: center;
            background: linear-gradient(180deg, #0b1220, #0f172a);
            border: 2px solid #1f2937;
            border-radius: 2rem;
            padding: 1.25rem;
            box-shadow: 0 25px 50px rgba(0,0,0,0.35), inset 0 0 30px rgba(255,255,255,0.05);
        }
        .psp-left-controls, .psp-right-controls { display: grid; place-items: center; gap: 1rem; }
        .psp-dpad { position: relative; width: 90px; height: 90px; }
        .psp-dpad span { position: absolute; background: #1f2937; border: 2px solid #374151; border-radius: 10px; }
        .psp-dpad-up { left: 50%; top: 0; transform: translateX(-50%); width: 28px; height: 40px; border-bottom-left-radius: 8px; border-bottom-right-radius: 8px; }
        .psp-dpad-down { left: 50%; bottom: 0; transform: translateX(-50%); width: 28px; height: 40px; border-top-left-radius: 8px; border-top-right-radius: 8px; }
        .psp-dpad-left { top: 50%; left: 0; transform: translateY(-50%); width: 40px; height: 28px; border-top-right-radius: 8px; border-bottom-right-radius: 8px; }
        .psp-dpad-right { top: 50%; right: 0; transform: translateY(-50%); width: 40px; height: 28px; border-top-left-radius: 8px; border-bottom-left-radius: 8px; }
        .psp-stick { width: 70px; height: 70px; border-radius: 50%; background: radial-gradient(circle at 30% 30%, #111827, #0b1220); border: 2px solid #374151; box-shadow: inset 0 0 15px rgba(0,0,0,0.6); }
        .psp-screen-bezel { position: relative; background: #0b1220; border: 4px solid #111827; border-radius: 1.25rem; padding: 0.5rem 2.5rem; }
        .psp-speaker { position: absolute; width: 8px; height: 60%; background: repeating-linear-gradient( to bottom, #0f172a 0, #0f172a 4px, #1f2937 4px, #1f2937 8px ); top: 20%; border-radius: 2px; opacity: 0.6; }
        .psp-speaker-left { left: 0.75rem; }
        .psp-speaker-right { right: 0.75rem; }
        .psp-screen { width: 100%; aspect-ratio: 16 / 10; background: #000; border-radius: 0.75rem; overflow: hidden; }
        .psp-iframe { width: 100%; height: 100%; border: none; }
        .psp-abxy { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
        .psp-btn { width: 54px; height: 54px; border-radius: 50%; border: 2px solid #374151; box-shadow: 0 8px 0 #1f2937, 0 12px 18px rgba(0,0,0,0.35); background: radial-gradient(circle at 30% 30%, #334155, #0b1220); }
        .psp-a { background: radial-gradient(circle at 30% 30%, #22c55e, #065f46); }
        .psp-b { background: radial-gradient(circle at 30% 30%, #ef4444, #7f1d1d); }
        .psp-x { background: radial-gradient(circle at 30% 30%, #60a5fa, #1e3a8a); }
        .psp-y { background: radial-gradient(circle at 30% 30%, #f59e0b, #7c2d12); }
        .psp-pill { width: 70px; height: 18px; border-radius: 999px; background: #1f2937; border: 2px solid #374151; }

        @media (max-width: 1024px) {
            .psp-body { grid-template-columns: 1fr 2.5fr 1fr; }
        }
        @media (max-width: 768px) {
            .psp-body { grid-template-columns: 1fr; gap: 0.75rem; }
            .psp-left-controls, .psp-right-controls { order: 2; grid-auto-flow: column; }
            .psp-screen-bezel { order: 1; }
        }