@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Roboto:wght@300;400;500;700&display=swap');

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

        :root {
            --primary-color: #00f5ff;
            --secondary-color: #ff006e;
            --accent-color: #8338ec;
            --success-color: #06ffa5;
            --error-color: #ff073a;
            --warning-color: #ffbe0b;
            --dark-bg: #0a0a0a;
            --card-bg: rgba(255, 255, 255, 0.05);
            --glass-border: rgba(255, 255, 255, 0.1);
            --text-primary: #ffffff;
            --text-secondary: #b8b8b8;
        }

        body {
            font-family: 'Roboto', sans-serif;
            background: linear-gradient(-45deg, #0a0a0a, #1a1a2e, #16213e, #0f3460);
            background-size: 400% 400%;
            animation: gradientShift 15s ease infinite;
            min-height: 100vh;
            color: var(--text-primary);
            overflow-x: hidden;
        }

        @keyframes gradientShift {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        .particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 1;
        }

        .particle {
            position: absolute;
            width: 2px;
            height: 2px;
            background: var(--primary-color);
            border-radius: 50%;
            animation: float 6s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px) rotate(0deg); opacity: 0; }
            50% { transform: translateY(-100px) rotate(180deg); opacity: 1; }
        }

        .container {
            position: relative;
            z-index: 10;
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .header {
            text-align: center;
            margin-bottom: 40px;
            animation: slideDown 1s ease;
        }

        @keyframes slideDown {
            from { transform: translateY(-50px); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }

        .header h1 {
            font-family: 'Orbitron', monospace;
            font-size: 3.5rem;
            font-weight: 900;
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--accent-color));
            background-size: 300% 300%;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: textGlow 3s ease-in-out infinite, gradientShift 2s linear infinite;
            text-shadow: 0 0 50px var(--primary-color);
        }

        @keyframes textGlow {
            0%, 100% { filter: brightness(1); }
            50% { filter: brightness(1.2); }
        }

        .header p {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-top: 10px;
            animation: fadeIn 1s ease 0.5s both;
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        .stats-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
            animation: slideUp 1s ease 0.2s both;
        }

        @keyframes slideUp {
            from { transform: translateY(50px); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 25px;
            text-align: center;
            backdrop-filter: blur(20px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
            transition: left 0.5s;
        }

        .stat-card:hover::before {
            left: 100%;
        }

        .stat-card:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: 0 15px 40px rgba(0, 245, 255, 0.2);
        }

        .stat-value {
            font-family: 'Orbitron', monospace;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 10px;
            transition: all 0.3s ease;
        }

        .stat-label {
            color: var(--text-secondary);
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .wpm-value {
            color: var(--primary-color);
            text-shadow: 0 0 20px var(--primary-color);
        }

        .accuracy-value {
            color: var(--success-color);
            text-shadow: 0 0 20px var(--success-color);
        }

        .errors-value {
            color: var(--error-color);
            text-shadow: 0 0 20px var(--error-color);
        }

        .timer-value {
            color: var(--warning-color);
            text-shadow: 0 0 20px var(--warning-color);
        }

        .main-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .typing-area {
            background: var(--card-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 40px;
            backdrop-filter: blur(20px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            animation: slideUp 1s ease 0.4s both;
            position: relative;
            overflow: hidden;
        }

        .typing-area::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
            background-size: 200% 100%;
            animation: progressGlow 2s linear infinite;
        }

        @keyframes progressGlow {
            0% { background-position: -200% 0; }
            100% { background-position: 200% 0; }
        }

        .text-display {
            font-size: 1.4rem;
            line-height: 2;
            margin-bottom: 30px;
            padding: 30px;
            background: rgba(0, 0, 0, 0.3);
            border-radius: 15px;
            border: 1px solid var(--glass-border);
            min-height: 200px;
            position: relative;
            overflow-wrap: break-word;
        }

        .char {
            position: relative;
            transition: all 0.2s ease;
        }

        .char.correct {
            color: var(--success-color);
            background: rgba(6, 255, 165, 0.1);
            animation: correctPulse 0.3s ease;
        }

        @keyframes correctPulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.1); }
            100% { transform: scale(1); }
        }

        .char.incorrect {
            color: var(--error-color);
            background: rgba(255, 7, 58, 0.2);
            animation: shake 0.3s ease;
        }

        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            25% { transform: translateX(-3px); }
            75% { transform: translateX(3px); }
        }

        .char.current {
            background: var(--primary-color);
            color: var(--dark-bg);
            animation: blink 1s ease infinite;
            box-shadow: 0 0 10px var(--primary-color);
        }

        @keyframes blink {
            0%, 50% { opacity: 1; }
            51%, 100% { opacity: 0.3; }
        }

        .input-area {
            position: relative;
        }

        .typing-input {
            width: 100%;
            padding: 20px;
            font-size: 1.2rem;
            background: rgba(0, 0, 0, 0.4);
            border: 2px solid var(--glass-border);
            border-radius: 15px;
            color: var(--text-primary);
            outline: none;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .typing-input:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
        }

        .controls {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            animation: slideUp 1s ease 0.6s both;
        }

        .btn {
            padding: 15px 30px;
            border: none;
            border-radius: 25px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 1px;
            position: relative;
            overflow: hidden;
        }

        .btn::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: all 0.3s ease;
        }

        .btn:hover::before {
            width: 300px;
            height: 300px;
        }

        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
        }

        .btn-primary {
            background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
            color: var(--dark-bg);
        }

        .btn-secondary {
            background: linear-gradient(45deg, var(--secondary-color), var(--error-color));
            color: var(--text-primary);
        }

        .btn-success {
            background: linear-gradient(45deg, var(--success-color), #00ff88);
            color: var(--dark-bg);
        }

        .progress-ring {
            position: fixed;
            top: 50%;
            right: 30px;
            transform: translateY(-50%);
            z-index: 100;
            animation: slideInRight 1s ease 0.8s both;
        }

        @keyframes slideInRight {
            from { transform: translateX(100px) translateY(-50%); opacity: 0; }
            to { transform: translateX(0) translateY(-50%); opacity: 1; }
        }

        .circle-progress {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: conic-gradient(var(--primary-color) 0deg, var(--card-bg) 0deg);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .circle-progress::before {
            content: '';
            position: absolute;
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: var(--dark-bg);
        }

        .circle-text {
            position: relative;
            z-index: 10;
            text-align: center;
            font-family: 'Orbitron', monospace;
        }

        .results-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            backdrop-filter: blur(10px);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .results-modal.show {
            opacity: 1;
            visibility: visible;
        }

        .modal-content {
            background: var(--card-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 40px;
            text-align: center;
            backdrop-filter: blur(20px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
            transform: scale(0.7);
            transition: transform 0.3s ease;
            max-width: 500px;
            width: 90%;
        }

        .results-modal.show .modal-content {
            transform: scale(1);
            animation: modalBounce 0.5s ease;
        }

        @keyframes modalBounce {
            0% { transform: scale(0.7); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        .modal-title {
            font-family: 'Orbitron', monospace;
            font-size: 2rem;
            margin-bottom: 20px;
            color: var(--primary-color);
        }

        .achievement {
            display: inline-block;
            padding: 10px 20px;
            margin: 5px;
            border-radius: 25px;
            font-weight: 600;
            animation: achievementGlow 2s ease infinite;
        }

        @keyframes achievementGlow {
            0%, 100% { box-shadow: 0 0 10px var(--success-color); }
            50% { box-shadow: 0 0 20px var(--success-color); }
        }

        .streak-fire {
            font-size: 1.5rem;
            animation: fire 0.5s ease infinite alternate;
        }

        @keyframes fire {
            from { transform: scale(1) rotate(-2deg); }
            to { transform: scale(1.1) rotate(2deg); }
        }

        @media (max-width: 768px) {
            .header h1 { font-size: 2.5rem; }
            .stats-container { grid-template-columns: repeat(2, 1fr); }
            .progress-ring { display: none; }
            .typing-area { padding: 20px; }
            .text-display { font-size: 1.2rem; padding: 20px; }
        }

        .difficulty-selector {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .difficulty-btn {
            padding: 10px 20px;
            border: 2px solid var(--glass-border);
            background: var(--card-bg);
            color: var(--text-primary);
            border-radius: 15px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .difficulty-btn.active {
            border-color: var(--primary-color);
            background: rgba(0, 245, 255, 0.1);
            box-shadow: 0 0 15px rgba(0, 245, 255, 0.3);
        }

        .typing-sound {
            position: fixed;
            top: 20px;
            right: 20px;
            background: var(--card-bg);
            border: 1px solid var(--glass-border);
            border-radius: 50%;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .typing-sound:hover {
            transform: scale(1.1);
            box-shadow: 0 0 20px var(--primary-color);
        }