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

        body {
            font-family: 'Courier New', monospace;
            background: #000;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            position: relative;
            color: #fff;
        }

        /* Neural Network Canvas Background */
        #neuralCanvas {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
            opacity: 0.6;
        }

        /* Holographic Grid */
        .holographic-grid {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(0, 255, 255, 0.1) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 255, 255, 0.1) 1px, transparent 1px);
            background-size: 50px 50px;
            animation: gridPulse 4s ease-in-out infinite;
            z-index: 2;
        }

        @keyframes gridPulse {
            0%, 100% { opacity: 0.3; }
            50% { opacity: 0.6; }
        }

        /* Matrix Rain Effect */
        .matrix-rain {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 3;
            pointer-events: none;
        }

        .matrix-column {
            position: absolute;
            top: -100px;
            width: 20px;
            font-family: 'Courier New', monospace;
            font-size: 14px;
            color: #00ff41;
            animation: matrixFall linear infinite;
            text-shadow: 0 0 10px #00ff41;
        }

        @keyframes matrixFall {
            to {
                transform: translateY(calc(100vh + 100px));
            }
        }

        /* DNA Helix Animation */
        .dna-helix {
            position: fixed;
            width: 100%;
            height: 100%;
            z-index: 4;
            pointer-events: none;
        }

        .dna-strand {
            position: absolute;
            width: 4px;
            height: 100vh;
            background: linear-gradient(to bottom, 
                transparent 0%,
                #ff00ff 20%,
                #00ffff 40%,
                #ff00ff 60%,
                #00ffff 80%,
                transparent 100%);
            animation: dnaRotate 8s linear infinite;
            filter: blur(1px);
        }

        .dna-strand:nth-child(1) {
            left: 10%;
            animation-delay: 0s;
        }

        .dna-strand:nth-child(2) {
            right: 10%;
            animation-delay: 2s;
        }

        .dna-strand:nth-child(3) {
            left: 80%;
            animation-delay: 4s;
        }

        .dna-strand:nth-child(4) {
            right: 80%;
            animation-delay: 6s;
        }

        @keyframes dnaRotate {
            0% {
                transform: rotateY(0deg) translateX(0px);
                opacity: 0;
            }
            25% {
                opacity: 1;
                transform: rotateY(90deg) translateX(20px);
            }
            50% {
                transform: rotateY(180deg) translateX(0px);
            }
            75% {
                opacity: 1;
                transform: rotateY(270deg) translateX(-20px);
            }
            100% {
                transform: rotateY(360deg) translateX(0px);
                opacity: 0;
            }
        }

        /* Quantum Particles */
        .quantum-field {
            position: fixed;
            width: 100%;
            height: 100%;
            z-index: 5;
            pointer-events: none;
        }

        .quantum-particle {
            position: absolute;
            width: 3px;
            height: 3px;
            background: radial-gradient(circle, #fff 0%, transparent 70%);
            border-radius: 50%;
            animation: quantumFloat 12s infinite ease-in-out;
            box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
        }

        @keyframes quantumFloat {
            0%, 100% {
                transform: translate(0, 0) scale(0.5);
                opacity: 0;
            }
            25% {
                transform: translate(200px, -100px) scale(1);
                opacity: 1;
            }
            50% {
                transform: translate(-150px, -200px) scale(1.5);
                opacity: 0.5;
            }
            75% {
                transform: translate(-200px, 100px) scale(1);
                opacity: 1;
            }
        }

        /* Main UI Container */
        .ui-container {
            position: relative;
            z-index: 10;
            width: 500px;
            height: 700px;
            perspective: 1500px;
            animation: containerHover 6s ease-in-out infinite;
        }

        @keyframes containerHover {
            0%, 100% {
                transform: translateY(0px) rotateX(0deg) rotateY(0deg);
            }
            33% {
                transform: translateY(-15px) rotateX(5deg) rotateY(-2deg);
            }
            66% {
                transform: translateY(-10px) rotateX(-3deg) rotateY(2deg);
            }
        }

        /* Holographic UI Panel */
        .ui-panel {
            position: relative;
            width: 100%;
            height: 100%;
            background: 
                linear-gradient(135deg, 
                    rgba(0, 255, 255, 0.1) 0%,
                    rgba(255, 0, 255, 0.1) 50%,
                    rgba(0, 255, 255, 0.1) 100%);
            backdrop-filter: blur(20px);
            border: 2px solid;
            border-image: linear-gradient(45deg, 
                #00ffff, #ff00ff, #ffff00, #00ffff) 1;
            clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
            transform-style: preserve-3d;
            animation: holographicShimmer 3s ease-in-out infinite;
            overflow: hidden;
        }

        @keyframes holographicShimmer {
            0%, 100% {
                box-shadow: 
                    0 0 50px rgba(0, 255, 255, 0.5),
                    inset 0 0 50px rgba(255, 0, 255, 0.2);
            }
            50% {
                box-shadow: 
                    0 0 80px rgba(255, 0, 255, 0.5),
                    inset 0 0 80px rgba(0, 255, 255, 0.2);
            }
        }

        /* Holographic Scan Lines */
        .scan-lines {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: repeating-linear-gradient(
                0deg,
                transparent,
                transparent 2px,
                rgba(0, 255, 255, 0.1) 2px,
                rgba(0, 255, 255, 0.1) 4px
            );
            animation: scanMove 2s linear infinite;
            pointer-events: none;
        }

        @keyframes scanMove {
            0% { transform: translateY(-100px); }
            100% { transform: translateY(100px); }
        }

        /* Form Container with 3D Transform */
        .form-container {
            position: relative;
            width: 100%;
            height: 100%;
            transform-style: preserve-3d;
            transition: transform 1s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        .form-face {
            position: absolute;
            width: 100%;
            height: 100%;
            backface-visibility: hidden;
            padding: 60px 50px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .login-face {
            transform: rotateY(0deg);
        }

        .signup-face {
            transform: rotateY(180deg);
        }

        .form-container.flipped .login-face {
            transform: rotateY(-180deg);
        }

        .form-container.flipped .signup-face {
            transform: rotateY(0deg);
        }

        /* Cyberpunk Title */
        .cyber-title {
            text-align: center;
            font-size: 32px;
            font-weight: bold;
            margin-bottom: 40px;
            background: linear-gradient(45deg, #00ffff, #ff00ff, #ffff00);
            background-size: 200% 200%;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: titleGlow 2s ease-in-out infinite alternate;
            text-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
            position: relative;
        }

        .cyber-title:before {
            content: attr(data-text);
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, #00ffff, #ff00ff);
            background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: glitch 0.3s infinite;
            opacity: 0.8;
        }

        @keyframes titleGlow {
            0% {
                background-position: 0% 50%;
                filter: brightness(1);
            }
            100% {
                background-position: 100% 50%;
                filter: brightness(1.5);
            }
        }

        @keyframes glitch {
            0%, 100% { transform: translate(0); }
            20% { transform: translate(-2px, 2px); }
            40% { transform: translate(-2px, -2px); }
            60% { transform: translate(2px, 2px); }
            80% { transform: translate(2px, -2px); }
        }

        /* Neural Input Fields */
        .neural-input-group {
            position: relative;
            margin-bottom: 30px;
            transform-style: preserve-3d;
        }

        .neural-input {
            width: 100%;
            padding: 20px 25px;
            background: rgba(0, 0, 0, 0.7);
            border: 2px solid #00ffff;
            border-radius: 0;
            color: #00ffff;
            font-family: 'Courier New', monospace;
            font-size: 16px;
            transition: all 0.4s ease;
            clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
            position: relative;
            z-index: 1;
        }

        .neural-input:focus {
            outline: none;
            border-color: #ff00ff;
            color: #ff00ff;
            transform: translateZ(10px) scale(1.02);
            box-shadow: 
                0 0 30px rgba(255, 0, 255, 0.5),
                inset 0 0 20px rgba(255, 0, 255, 0.1);
        }

        .neural-input::placeholder {
            color: rgba(0, 255, 255, 0.5);
        }

        /* Neural Network Lines on Input Focus */
        .neural-input-group:before {
            content: '';
            position: absolute;
            top: 50%;
            left: -20px;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, #00ffff, #ff00ff);
            transition: width 0.5s ease;
            transform: translateY(-50%);
        }

        .neural-input:focus + .neural-input-group:before,
        .neural-input-group:hover:before {
            width: 15px;
        }

        /* Quantum Button */
        .quantum-button {
            width: 100%;
            padding: 20px;
            background: linear-gradient(45deg, 
                rgba(0, 255, 255, 0.2), 
                rgba(255, 0, 255, 0.2), 
                rgba(255, 255, 0, 0.2));
            border: 2px solid #00ffff;
            color: #00ffff;
            font-family: 'Courier New', monospace;
            font-size: 18px;
            font-weight: bold;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            clip-path: polygon(20px 0, 100% 0, calc(100% - 20px) 100%, 0 100%);
            transition: all 0.4s ease;
            margin-top: 30px;
            text-transform: uppercase;
            letter-spacing: 2px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .quantum-button:before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, 
                transparent, 
                rgba(255, 255, 255, 0.4), 
                transparent);
            transition: left 0.6s ease;
        }

        .quantum-button:hover {
            border-color: #ff00ff;
            color: #ff00ff;
            transform: translateY(-5px) scale(1.02);
            box-shadow: 
                0 15px 40px rgba(255, 0, 255, 0.4),
                0 0 50px rgba(255, 0, 255, 0.2);
        }

        .quantum-button:hover:before {
            left: 100%;
        }

        .quantum-button:active {
            transform: translateY(-2px) scale(0.98);
        }

        /* Holographic Loading */
        .holo-loading {
            display: none;
            width: 30px;
            height: 30px;
            border: 3px solid rgba(0, 255, 255, 0.3);
            border-top: 3px solid #00ffff;
            border-radius: 50%;
            animation: holoSpin 1s linear infinite;
            margin-right: 15px;
            box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
        }

        @keyframes holoSpin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Neural Network Divider */
        .neural-divider {
            display: flex;
            align-items: center;
            margin: 30px 0;
            position: relative;
        }

        .neural-divider:before,
        .neural-divider:after {
            content: '';
            flex: 1;
            height: 2px;
            background: linear-gradient(90deg, 
                transparent, 
                #00ffff, 
                #ff00ff, 
                #00ffff, 
                transparent);
            animation: neuralPulse 2s ease-in-out infinite;
        }

        .neural-divider span {
            padding: 0 20px;
            color: #00ffff;
            font-family: 'Courier New', monospace;
            text-transform: uppercase;
            letter-spacing: 2px;
            position: relative;
        }

        @keyframes neuralPulse {
            0%, 100% { opacity: 0.5; }
            50% { opacity: 1; }
        }

        /* Cyberpunk Social Buttons */
        .cyber-social {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .cyber-social-btn {
            flex: 1;
            padding: 15px;
            background: rgba(0, 0, 0, 0.8);
            border: 2px solid #ffff00;
            color: #ffff00;
            font-family: 'Courier New', monospace;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            clip-path: polygon(0 0, calc(100% - 15px) 0, 100% 15px, 100% 100%, 15px 100%, 0 calc(100% - 15px));
            transition: all 0.3s ease;
            text-transform: uppercase;
        }

        .cyber-social-btn:hover {
            border-color: #ff00ff;
            color: #ff00ff;
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(255, 0, 255, 0.3);
        }

        /* Quantum Checkbox */
        .quantum-checkbox-container {
            display: flex;
            align-items: center;
            margin: 25px 0;
            cursor: pointer;
        }

        .quantum-checkbox {
            width: 25px;
            height: 25px;
            border: 2px solid #00ffff;
            margin-right: 15px;
            position: relative;
            transition: all 0.3s ease;
            clip-path: polygon(20% 0, 100% 0, 80% 100%, 0 100%);
        }

        .quantum-checkbox.checked {
            background: linear-gradient(45deg, #00ffff, #ff00ff);
            border-color: #ff00ff;
            box-shadow: 0 0 20px rgba(255, 0, 255, 0.5);
        }

        .quantum-checkbox.checked:after {
            content: '✓';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: #000;
            font-size: 14px;
            font-weight: bold;
        }

        .quantum-checkbox-label {
            color: #00ffff;
            font-family: 'Courier New', monospace;
            font-size: 14px;
            user-select: none;
        }

        /* Toggle Panel */
        .toggle-panel {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            text-align: center;
        }

        .toggle-text {
            color: rgba(0, 255, 255, 0.8);
            margin-bottom: 15px;
            font-family: 'Courier New', monospace;
            font-size: 14px;
        }

        .cyber-toggle-btn {
            background: rgba(0, 0, 0, 0.8);
            border: 2px solid #00ffff;
            color: #00ffff;
            padding: 12px 30px;
            cursor: pointer;
            font-family: 'Courier New', monospace;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 1px;
            clip-path: polygon(15px 0, 100% 0, calc(100% - 15px) 100%, 0 100%);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .cyber-toggle-btn:hover {
            border-color: #ff00ff;
            color: #ff00ff;
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(255, 0, 255, 0.3);
        }

        /* Success Hologram */
        .success-hologram {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 150px;
            height: 150px;
            background: radial-gradient(circle, rgba(0, 255, 0, 0.8) 0%, transparent 70%);
            border: 3px solid #00ff00;
            border-radius: 50%;
            display: none;
            align-items: center;
            justify-content: center;
            animation: holoSuccess 1s ease-out;
            z-index: 1000;
            box-shadow: 
                0 0 50px rgba(0, 255, 0, 0.5),
                inset 0 0 30px rgba(0, 255, 0, 0.2);
        }

        @keyframes holoSuccess {
            0% {
                transform: translate(-50%, -50%) scale(0) rotateY(0deg);
                opacity: 0;
            }
            50% {
                transform: translate(-50%, -50%) scale(1.3) rotateY(180deg);
                opacity: 1;
            }
            100% {
                transform: translate(-50%, -50%) scale(1) rotateY(360deg);
                opacity: 1;
            }
        }

        .success-hologram span {
            font-size: 48px;
            color: #00ff00;
            text-shadow: 0 0 20px #00ff00;
        }

        /* Responsive Design */
        @media (max-width: 600px) {
            .ui-container {
                width: 90vw;
                height: 80vh;
            }
            
            .form-face {
                padding: 40px 30px;
            }
            
            .cyber-title {
                font-size: 24px;
            }
        }

        body {
            font-family: 'Courier New', monospace;
            background: #000;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            position: relative;
            color: #fff;
        }

        /* Neural Network Canvas Background */
        #neuralCanvas {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
            opacity: 0.6;
        }

        /* Holographic Grid */
        .holographic-grid {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(0, 255, 255, 0.1) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 255, 255, 0.1) 1px, transparent 1px);
            background-size: 50px 50px;
            animation: gridPulse 4s ease-in-out infinite;
            z-index: 2;
        }

        @keyframes gridPulse {
            0%, 100% { opacity: 0.3; }
            50% { opacity: 0.6; }
        }

        /* Matrix Rain Effect */
        .matrix-rain {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 3;
            pointer-events: none;
        }

        .matrix-column {
            position: absolute;
            top: -100px;
            width: 20px;
            font-family: 'Courier New', monospace;
            font-size: 14px;
            color: #00ff41;
            animation: matrixFall linear infinite;
            text-shadow: 0 0 10px #00ff41;
        }

        @keyframes matrixFall {
            to {
                transform: translateY(calc(100vh + 100px));
            }
        }

        /* DNA Helix Animation */
        .dna-helix {
            position: fixed;
            width: 100%;
            height: 100%;
            z-index: 4;
            pointer-events: none;
        }

        .dna-strand {
            position: absolute;
            width: 4px;
            height: 100vh;
            background: linear-gradient(to bottom, 
                transparent 0%,
                #ff00ff 20%,
                #00ffff 40%,
                #ff00ff 60%,
                #00ffff 80%,
                transparent 100%);
            animation: dnaRotate 8s linear infinite;
            filter: blur(1px);
        }

        .dna-strand:nth-child(1) {
            left: 10%;
            animation-delay: 0s;
        }

        .dna-strand:nth-child(2) {
            right: 10%;
            animation-delay: 2s;
        }

        .dna-strand:nth-child(3) {
            left: 80%;
            animation-delay: 4s;
        }

        .dna-strand:nth-child(4) {
            right: 80%;
            animation-delay: 6s;
        }

        @keyframes dnaRotate {
            0% {
                transform: rotateY(0deg) translateX(0px);
                opacity: 0;
            }
            25% {
                opacity: 1;
                transform: rotateY(90deg) translateX(20px);
            }
            50% {
                transform: rotateY(180deg) translateX(0px);
            }
            75% {
                opacity: 1;
                transform: rotateY(270deg) translateX(-20px);
            }
            100% {
                transform: rotateY(360deg) translateX(0px);
                opacity: 0;
            }
        }

        /* Quantum Particles */
        .quantum-field {
            position: fixed;
            width: 100%;
            height: 100%;
            z-index: 5;
            pointer-events: none;
        }

        .quantum-particle {
            position: absolute;
            width: 3px;
            height: 3px;
            background: radial-gradient(circle, #fff 0%, transparent 70%);
            border-radius: 50%;
            animation: quantumFloat 12s infinite ease-in-out;
            box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
        }

        @keyframes quantumFloat {
            0%, 100% {
                transform: translate(0, 0) scale(0.5);
                opacity: 0;
            }
            25% {
                transform: translate(200px, -100px) scale(1);
                opacity: 1;
            }
            50% {
                transform: translate(-150px, -200px) scale(1.5);
                opacity: 0.5;
            }
            75% {
                transform: translate(-200px, 100px) scale(1);
                opacity: 1;
            }
        }

        /* Main UI Container */
        .ui-container {
            position: relative;
            z-index: 10;
            width: 500px;
            height: 700px;
            perspective: 1500px;
            animation: containerHover 6s ease-in-out infinite;
        }

        @keyframes containerHover {
            0%, 100% {
                transform: translateY(0px) rotateX(0deg) rotateY(0deg);
            }
            33% {
                transform: translateY(-15px) rotateX(5deg) rotateY(-2deg);
            }
            66% {
                transform: translateY(-10px) rotateX(-3deg) rotateY(2deg);
            }
        }

        /* Holographic UI Panel */
        .ui-panel {
            position: relative;
            width: 100%;
            height: 100%;
            background: 
                linear-gradient(135deg, 
                    rgba(0, 255, 255, 0.1) 0%,
                    rgba(255, 0, 255, 0.1) 50%,
                    rgba(0, 255, 255, 0.1) 100%);
            backdrop-filter: blur(20px);
            border: 2px solid;
            border-image: linear-gradient(45deg, 
                #00ffff, #ff00ff, #ffff00, #00ffff) 1;
            clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
            transform-style: preserve-3d;
            animation: holographicShimmer 3s ease-in-out infinite;
            overflow: hidden;
        }

        @keyframes holographicShimmer {
            0%, 100% {
                box-shadow: 
                    0 0 50px rgba(0, 255, 255, 0.5),
                    inset 0 0 50px rgba(255, 0, 255, 0.2);
            }
            50% {
                box-shadow: 
                    0 0 80px rgba(255, 0, 255, 0.5),
                    inset 0 0 80px rgba(0, 255, 255, 0.2);
            }
        }

        /* Holographic Scan Lines */
        .scan-lines {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: repeating-linear-gradient(
                0deg,
                transparent,
                transparent 2px,
                rgba(0, 255, 255, 0.1) 2px,
                rgba(0, 255, 255, 0.1) 4px
            );
            animation: scanMove 2s linear infinite;
            pointer-events: none;
        }

        @keyframes scanMove {
            0% { transform: translateY(-100px); }
            100% { transform: translateY(100px); }
        }

        /* Form Container with 3D Transform */
        .form-container {
            position: relative;
            width: 100%;
            height: 100%;
            transform-style: preserve-3d;
            transition: transform 1s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        .form-face {
            position: absolute;
            width: 100%;
            height: 100%;
            backface-visibility: hidden;
            padding: 60px 50px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .login-face {
            transform: rotateY(0deg);
        }

        .signup-face {
            transform: rotateY(180deg);
        }

        .form-container.flipped .login-face {
            transform: rotateY(-180deg);
        }

        .form-container.flipped .signup-face {
            transform: rotateY(0deg);
        }

        /* Cyberpunk Title */
        .cyber-title {
            text-align: center;
            font-size: 32px;
            font-weight: bold;
            margin-bottom: 40px;
            background: linear-gradient(45deg, #00ffff, #ff00ff, #ffff00);
            background-size: 200% 200%;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: titleGlow 2s ease-in-out infinite alternate;
            text-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
            position: relative;
        }

        .cyber-title:before {
            content: attr(data-text);
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, #00ffff, #ff00ff);
            background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: glitch 0.3s infinite;
            opacity: 0.8;
        }

        @keyframes titleGlow {
            0% {
                background-position: 0% 50%;
                filter: brightness(1);
            }
            100% {
                background-position: 100% 50%;
                filter: brightness(1.5);
            }
        }

        @keyframes glitch {
            0%, 100% { transform: translate(0); }
            20% { transform: translate(-2px, 2px); }
            40% { transform: translate(-2px, -2px); }
            60% { transform: translate(2px, 2px); }
            80% { transform: translate(2px, -2px); }
        }

        /* Neural Input Fields */
        .neural-input-group {
            position: relative;
            margin-bottom: 30px;
            transform-style: preserve-3d;
        }

        .neural-input {
            width: 100%;
            padding: 20px 25px;
            background: rgba(0, 0, 0, 0.7);
            border: 2px solid #00ffff;
            border-radius: 0;
            color: #00ffff;
            font-family: 'Courier New', monospace;
            font-size: 16px;
            transition: all 0.4s ease;
            clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
            position: relative;
            z-index: 1;
        }

        .neural-input:focus {
            outline: none;
            border-color: #ff00ff;
            color: #ff00ff;
            transform: translateZ(10px) scale(1.02);
            box-shadow: 
                0 0 30px rgba(255, 0, 255, 0.5),
                inset 0 0 20px rgba(255, 0, 255, 0.1);
        }

        .neural-input::placeholder {
            color: rgba(0, 255, 255, 0.5);
        }

        /* Neural Network Lines on Input Focus */
        .neural-input-group:before {
            content: '';
            position: absolute;
            top: 50%;
            left: -20px;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, #00ffff, #ff00ff);
            transition: width 0.5s ease;
            transform: translateY(-50%);
        }

        .neural-input:focus + .neural-input-group:before,
        .neural-input-group:hover:before {
            width: 15px;
        }

        /* Quantum Button */
        .quantum-button {
            width: 100%;
            padding: 20px;
            background: linear-gradient(45deg, 
                rgba(0, 255, 255, 0.2), 
                rgba(255, 0, 255, 0.2), 
                rgba(255, 255, 0, 0.2));
            border: 2px solid #00ffff;
            color: #00ffff;
            font-family: 'Courier New', monospace;
            font-size: 18px;
            font-weight: bold;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            clip-path: polygon(20px 0, 100% 0, calc(100% - 20px) 100%, 0 100%);
            transition: all 0.4s ease;
            margin-top: 30px;
            text-transform: uppercase;
            letter-spacing: 2px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .quantum-button:before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, 
                transparent, 
                rgba(255, 255, 255, 0.4), 
                transparent);
            transition: left 0.6s ease;
        }

        .quantum-button:hover {
            border-color: #ff00ff;
            color: #ff00ff;
            transform: translateY(-5px) scale(1.02);
            box-shadow: 
                0 15px 40px rgba(255, 0, 255, 0.4),
                0 0 50px rgba(255, 0, 255, 0.2);
        }

        .quantum-button:hover:before {
            left: 100%;
        }

        .quantum-button:active {
            transform: translateY(-2px) scale(0.98);
        }

        /* Holographic Loading */
        .holo-loading {
            display: none;
            width: 30px;
            height: 30px;
            border: 3px solid rgba(0, 255, 255, 0.3);
            border-top: 3px solid #00ffff;
            border-radius: 50%;
            animation: holoSpin 1s linear infinite;
            margin-right: 15px;
            box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
        }

        @keyframes holoSpin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Neural Network Divider */
        .neural-divider {
            display: flex;
            align-items: center;
            margin: 30px 0;
            position: relative;
        }

        .neural-divider:before,
        .neural-divider:after {
            content: '';
            flex: 1;
            height: 2px;
            background: linear-gradient(90deg, 
                transparent, 
                #00ffff, 
                #ff00ff, 
                #00ffff, 
                transparent);
            animation: neuralPulse 2s ease-in-out infinite;
        }

        .neural-divider span {
            padding: 0 20px;
            color: #00ffff;
            font-family: 'Courier New', monospace;
            text-transform: uppercase;
            letter-spacing: 2px;
            position: relative;
        }

        @keyframes neuralPulse {
            0%, 100% { opacity: 0.5; }
            50% { opacity: 1; }
        }

        /* Cyberpunk Social Buttons */
        .cyber-social {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .cyber-social-btn {
            flex: 1;
            padding: 15px;
            background: rgba(0, 0, 0, 0.8);
            border: 2px solid #ffff00;
            color: #ffff00;
            font-family: 'Courier New', monospace;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            clip-path: polygon(0 0, calc(100% - 15px) 0, 100% 15px, 100% 100%, 15px 100%, 0 calc(100% - 15px));
            transition: all 0.3s ease;
            text-transform: uppercase;
        }

        .cyber-social-btn:hover {
            border-color: #ff00ff;
            color: #ff00ff;
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(255, 0, 255, 0.3);
        }

        /* Quantum Checkbox */
        .quantum-checkbox-container {
            display: flex;
            align-items: center;
            margin: 25px 0;
            cursor: pointer;
        }

        .quantum-checkbox {
            width: 25px;
            height: 25px;
            border: 2px solid #00ffff;
            margin-right: 15px;
            position: relative;
            transition: all 0.3s ease;
            clip-path: polygon(20% 0, 100% 0, 80% 100%, 0 100%);
        }

        .quantum-checkbox.checked {
            background: linear-gradient(45deg, #00ffff, #ff00ff);
            border-color: #ff00ff;
            box-shadow: 0 0 20px rgba(255, 0, 255, 0.5);
        }

        .quantum-checkbox.checked:after {
            content: '✓';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: #000;
            font-size: 14px;
            font-weight: bold;
        }

        .quantum-checkbox-label {
            color: #00ffff;
            font-family: 'Courier New', monospace;
            font-size: 14px;
            user-select: none;
        }

        /* Toggle Panel */
        .toggle-panel {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            text-align: center;
        }

        .toggle-text {
            color: rgba(0, 255, 255, 0.8);
            margin-bottom: 15px;
            font-family: 'Courier New', monospace;
            font-size: 14px;
        }

        .cyber-toggle-btn {
            background: rgba(0, 0, 0, 0.8);
            border: 2px solid #00ffff;
            color: #00ffff;
            padding: 12px 30px;
            cursor: pointer;
            font-family: 'Courier New', monospace;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 1px;
            clip-path: polygon(15px 0, 100% 0, calc(100% - 15px) 100%, 0 100%);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .cyber-toggle-btn:hover {
            border-color: #ff00ff;
            color: #ff00ff;
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(255, 0, 255, 0.3);
        }

        /* Success Hologram */
        .success-hologram {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 150px;
            height: 150px;
            background: radial-gradient(circle, rgba(0, 255, 0, 0.8) 0%, transparent 70%);
            border: 3px solid #00ff00;
            border-radius: 50%;
            display: none;
            align-items: center;
            justify-content: center;
            animation: holoSuccess 1s ease-out;
            z-index: 1000;
            box-shadow: 
                0 0 50px rgba(0, 255, 0, 0.5),
                inset 0 0 30px rgba(0, 255, 0, 0.2);
        }

        @keyframes holoSuccess {
            0% {
                transform: translate(-50%, -50%) scale(0) rotateY(0deg);
                opacity: 0;
            }
            50% {
                transform: translate(-50%, -50%) scale(1.3) rotateY(180deg);
                opacity: 1;
            }
            100% {
                transform: translate(-50%, -50%) scale(1) rotateY(360deg);
                opacity: 1;
            }
        }

        .success-hologram span {
            font-size: 48px;
            color: #00ff00;
            text-shadow: 0 0 20px #00ff00;
        }

        /* Responsive Design */
        @media (max-width: 600px) {
            .ui-container {
                width: 90vw;
                height: 80vh;
            }
            
            .form-face {
                padding: 40px 30px;
            }
            
            .cyber-title {
                font-size: 24px;
            }
        }