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

        :root {
            --primary-cyan: #ff00f7;
            --secondary-blue: #00f7ff;
            --accent-purple: #6600ff;
            --danger-red: #ff0000;
            --success-green: #00f7ff;
            --warning-orange: #00f7ff;
            --dark-bg: #0a0a0a;
            --card-bg: rgba(10, 20, 40, 0.9);
            --glass-bg: rgba(0, 255, 255, 0.05);
        }

        :root {
            --primary: #00f7ff;
            --secondary: #ff00f7;
            --accent: #7700ff;
            --dark: #0a0a12;
            --darker: #05050a;
            --light: rgba(255, 255, 255, 0.9);
            --glass-light: rgba(255, 255, 255, 0.15);
            --glass-dark: rgba(0, 0, 0, 0.15);
            --neon-glow: 0 0 10px currentColor, 0 0 20px currentColor;
            --glass-blur: blur(12px);
            --glass-border: 1px solid rgba(255, 255, 255, 0.2);
            --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }


        body {
            font-family: 'Rajdhani', sans-serif;
            background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1a2e 50%, #16213e 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-cyan);
            overflow-x: hidden;
            position: relative;
        }

        /* Animated Grid Background */
        .grid-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                linear-gradient(rgba(247, 0, 255, 0.1) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 255, 255, 0.1) 1px, transparent 1px);
            background-size: 50px 50px;
            animation: gridMove 20s linear infinite;
            z-index: 1;
        }

        @keyframes gridMove {
            0% {
                transform: translate(0, 0);
            }

            100% {
                transform: translate(50px, 50px);
            }
        }

        /* Floating Particles */
        .particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 2;
        }

        .particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: var(--primary-cyan);
            border-radius: 50%;
            animation: float 15s infinite linear;
            box-shadow: 0 0 10px var(--primary-cyan);
        }

        @keyframes float {
            0% {
                transform: translateY(100vh) translateX(0);
                opacity: 0;
            }

            10% {
                opacity: 1;
            }

            90% {
                opacity: 1;
            }

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

        /* Scan Lines */
        .scan-lines {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 3;
        }

        .scan-line {
            position: absolute;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
            animation: scan 4s linear infinite;
        }

        @keyframes scan {
            0% {
                top: -2px;
                opacity: 0;
            }

            50% {
                opacity: 1;
            }

            100% {
                top: 100%;
                opacity: 0;
            }
        }

        .container {
            position: relative;
            z-index: 10;
            width: 100%;
            max-width: 480px;
            padding: 20px;
        }

        .auth-card {
            background: transparent;
            border: 2px solid var(--primary-cyan);
            border-radius: 20px;
            padding: 40px;
            box-shadow:
                0 0 50px rgba(0, 255, 255, 0.3),
                inset 0 0 50px rgba(0, 255, 255, 0.05);
            backdrop-filter: blur(20px);
            position: relative;
            overflow: hidden;
            clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
        }

        .auth-card::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            border-radius: 20px;
            z-index: -1;
        }

        .logo {
            text-align: center;
            margin-bottom: 40px;
            position: relative;
        }

        .logo h1 {
            font-family: 'Orbitron', monospace;
            font-size: 2.8rem;
            font-weight: 900;
            background: linear-gradient(45deg, var(--primary-cyan), var(--secondary-blue), var(--accent-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px var(--primary-cyan);
            margin-bottom: 15px;
            animation: textGlow 2s ease-in-out infinite alternate;
            position: relative;
        }

        @keyframes textGlow {
            0% {
                filter: brightness(1) drop-shadow(0 0 20px var(--primary-cyan));
            }

            100% {
                filter: brightness(1.2) drop-shadow(0 0 40px var(--primary-cyan));
            }
        }

        .logo .subtitle {
            color: var(--primary-cyan);
            font-size: 1.1rem;
            font-weight: 600;
            opacity: 0.9;
            letter-spacing: 2px;
            text-transform: uppercase;
        }

        .logo .version {
            position: absolute;
            top: -10px;
            right: -20px;
            background: var(--danger-red);
            color: white;
            padding: 4px 8px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 700;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {

            0%,
            100% {
                transform: scale(1);
            }

            50% {
                transform: scale(1.1);
            }
        }

        .form-group {
            margin-bottom: 25px;
            position: relative;
        }

        .form-group label {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
            color: var(--primary-cyan);
            font-weight: 700;
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .form-group input {
            width: 100%;
            padding: 18px 20px;
            background: rgba(0, 0, 0, 0.8);
            border: 2px solid rgba(0, 255, 255, 0.3);
            border-radius: 12px;
            color: var(--primary);
            font-family: 'Rajdhani', sans-serif;
            font-size: 1.1rem;
            font-weight: 600;
            transition: all 0.3s ease;
            position: relative;
        }

        .form-group input:focus {
            outline: none;
            border-color: var(--primary-cyan);
            box-shadow:
                0 0 20px rgba(0, 255, 255, 0.4),
                inset 0 0 20px rgba(0, 255, 255, 0.1);
            background: rgba(0, 20, 40, 0.9);
            transform: translateY(-2px);
        }

        .form-group input::placeholder {
            color: rgba(0, 255, 255, 0.5);
            font-style: italic;
        }

        .otp-section {
            display: flex;
            gap: 12px;
            align-items: flex-end;
        }

        .otp-input {
            flex: 1;
        }

        .verify-btn {
            padding: 18px 24px;
            background: linear-gradient(45deg, var(--primary-cyan), var(--secondary-blue));
            border: none;
            border-radius: 12px;
            color: var(--dark-bg);
            font-family: 'Rajdhani', sans-serif;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 1px;
            position: relative;
            overflow: hidden;
        }

        .verify-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.5s;
        }

        .verify-btn:hover::before {
            left: 100%;
        }

        .verify-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 255, 102, 0.4);
        }

        .btn {
            width: 100%;
            padding: 20px;
            background: linear-gradient(45deg, var(--primary-cyan), var(--secondary-blue));
            border: none;
            border-radius: 15px;
            color: var(--dark-bg);
            font-family: 'Orbitron', monospace;
            font-weight: 700;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-top: 15px;
            position: relative;
            overflow: hidden;
        }

        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.5s;
        }

        .btn:hover::before {
            left: 100%;
        }

        .btn:hover {
            transform: translateY(-4px) scale(1.02);
            box-shadow: 0 15px 35px rgba(0, 255, 255, 0.4);
        }

        .btn:active {
            transform: translateY(-2px) scale(1.01);
        }

        .switch-link {
            text-align: center;
            margin-top: 30px;
        }

        .switch-link a {
            color: var(--primary-cyan);
            text-decoration: none;
            font-size: 1rem;
            font-weight: 600;
            transition: all 0.3s ease;
            border-bottom: 2px solid transparent;
            padding: 5px 0;
            position: relative;
        }

        .switch-link a::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--primary-cyan);
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }

        .switch-link a:hover::before {
            width: 100%;
        }

        .switch-link a:hover {
            color: white;
            text-shadow: 0 0 15px var(--primary-cyan);
        }

        .hidden {
            display: none;
        }

        .status-message {
            padding: 18px 20px;
            border-radius: 12px;
            margin-bottom: 25px;
            font-weight: 700;
            text-align: center;
            animation: slideIn 0.5s ease;
            position: relative;
            overflow: hidden;
        }

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

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

        .success {
            background: rgba(0, 255, 102, 0.1);
            border: 2px solid var(--success-green);
            color: var(--success-green);
        }

        .error {
            background: rgba(255, 0, 102, 0.1);
            border: 2px solid var(--danger-red);
            color: var(--danger-red);
        }

        .loading {
            display: inline-block;
            width: 24px;
            height: 24px;
            border: 3px solid rgba(0, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: var(--primary-cyan);
            animation: spin 1s ease-in-out infinite;
            margin-left: 12px;
        }

        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .container {
                padding: 15px;
                max-width: 95%;
            }

            .auth-card {
                padding: 30px 25px;
            }

            .logo h1 {
                font-size: 2.2rem;
            }

            .otp-section {
                flex-direction: column;
                gap: 15px;
            }

            .verify-btn {
                width: 100%;
                padding: 18px;
            }
        }

        @media (max-width: 480px) {
            .auth-card {
                padding: 25px 20px;
            }

            .logo h1 {
                font-size: 1.8rem;
            }

            .form-group input {
                padding: 16px 18px;
                font-size: 1rem;
            }

            .btn {
                padding: 18px;
                font-size: 1.1rem;
            }
        }

        /* Advanced Hover Effects */
        .form-group {
            position: relative;
        }

        .form-group::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, transparent, rgba(0, 255, 255, 0.05), transparent);
            border-radius: 12px;
            opacity: 0;
            transition: opacity 0.3s ease;
            pointer-events: none;
        }

        .form-group:hover::before {
            opacity: 1;
        }

        /* 3D Transform Effects */
        .auth-card:hover {
            transform: perspective(1000px) rotateX(2deg) rotateY(-2deg);
        }

        /* Notification Styles */
        .notification {
            position: fixed;
            top: 20px;
            right: 20px;
            background: var(--card-bg);
            border: 2px solid var(--primary-cyan);
            border-radius: 12px;
            padding: 15px 20px;
            color: var(--primary-cyan);
            font-weight: 600;
            z-index: 1000;
            animation: notificationSlide 0.5s ease;
            backdrop-filter: blur(10px);
        }

        @keyframes notificationSlide {
            from {
                transform: translateX(100%);
                opacity: 0;
            }

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