Neon Dark Cookie Consent Banner

Intermediate

A futuristic dark-themed cookie consent banner with neon glow effects and cyberpunk aesthetics

Live Preview

Code Implementation

HTML
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Neon Dark Cookie Banner</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
            min-height: 100vh;
            color: #ffffff;
            overflow-x: hidden;
        }

        .demo-content {
            padding: 2rem;
            text-align: center;
            margin-top: 5rem;
        }

        .demo-content h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            background: linear-gradient(45deg, #00ffff, #ff00ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* Cookie Banner Styles */
        .neon-cookie-banner {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(10, 10, 10, 0.95);
            backdrop-filter: blur(20px);
            border-top: 2px solid #00ffff;
            box-shadow: 
                0 -10px 30px rgba(0, 255, 255, 0.3),
                0 0 50px rgba(0, 255, 255, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
            padding: 1.5rem;
            transform: translateY(100%);
            transition: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
            z-index: 10000;
            font-family: 'Courier New', monospace;
        }

        .neon-cookie-banner.show {
            transform: translateY(0);
        }

        .neon-cookie-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, 
                transparent 0%, 
                #00ffff 20%, 
                #ff00ff 50%, 
                #00ffff 80%, 
                transparent 100%);
            animation: neonPulse 3s ease-in-out infinite;
        }

        .cookie-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 2rem;
            align-items: center;
        }

        .cookie-text {
            color: #e0e0e0;
            line-height: 1.6;
        }

        .cookie-title {
            font-size: 1.2rem;
            font-weight: bold;
            margin-bottom: 0.5rem;
            color: #00ffff;
            text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
        }

        .cookie-description {
            font-size: 0.95rem;
            opacity: 0.9;
        }

        .cookie-link {
            color: #ff00ff;
            text-decoration: none;
            transition: all 0.3s ease;
            text-shadow: 0 0 5px rgba(255, 0, 255, 0.3);
        }

        .cookie-link:hover {
            color: #ffffff;
            text-shadow: 0 0 15px rgba(255, 0, 255, 0.8);
        }

        .cookie-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .neon-btn {
            padding: 0.8rem 1.5rem;
            border: 2px solid;
            background: transparent;
            color: #ffffff;
            font-family: 'Courier New', monospace;
            font-size: 0.9rem;
            font-weight: bold;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 1px;
            min-width: 120px;
        }

        .neon-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s ease;
        }

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

        .btn-accept {
            border-color: #00ff00;
            color: #00ff00;
            box-shadow: 
                0 0 20px rgba(0, 255, 0, 0.3),
                inset 0 0 20px rgba(0, 255, 0, 0.1);
        }

        .btn-accept:hover {
            background: rgba(0, 255, 0, 0.1);
            box-shadow: 
                0 0 30px rgba(0, 255, 0, 0.6),
                inset 0 0 30px rgba(0, 255, 0, 0.2);
            transform: translateY(-2px);
        }

        .btn-decline {
            border-color: #ff0040;
            color: #ff0040;
            box-shadow: 
                0 0 20px rgba(255, 0, 64, 0.3),
                inset 0 0 20px rgba(255, 0, 64, 0.1);
        }

        .btn-decline:hover {
            background: rgba(255, 0, 64, 0.1);
            box-shadow: 
                0 0 30px rgba(255, 0, 64, 0.6),
                inset 0 0 30px rgba(255, 0, 64, 0.2);
            transform: translateY(-2px);
        }

        .btn-settings {
            border-color: #ffff00;
            color: #ffff00;
            box-shadow: 
                0 0 20px rgba(255, 255, 0, 0.3),
                inset 0 0 20px rgba(255, 255, 0, 0.1);
        }

        .btn-settings:hover {
            background: rgba(255, 255, 0, 0.1);
            box-shadow: 
                0 0 30px rgba(255, 255, 0, 0.6),
                inset 0 0 30px rgba(255, 255, 0, 0.2);
            transform: translateY(-2px);
        }

        /* Settings Modal */
        .cookie-settings-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: 10001;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

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

        .settings-content {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            border: 2px solid #00ffff;
            border-radius: 10px;
            padding: 2rem;
            max-width: 500px;
            width: 90%;
            max-height: 80vh;
            overflow-y: auto;
            box-shadow: 
                0 0 50px rgba(0, 255, 255, 0.3),
                inset 0 0 50px rgba(0, 255, 255, 0.1);
        }

        .settings-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid rgba(0, 255, 255, 0.3);
        }

        .settings-title {
            font-size: 1.3rem;
            color: #00ffff;
            text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
        }

        .close-btn {
            background: none;
            border: none;
            color: #ff0040;
            font-size: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .close-btn:hover {
            color: #ffffff;
            text-shadow: 0 0 15px rgba(255, 0, 64, 0.8);
            transform: scale(1.2);
        }

        .cookie-category {
            margin-bottom: 1.5rem;
            padding: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 5px;
            background: rgba(255, 255, 255, 0.05);
        }

        .category-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 0.5rem;
        }

        .category-title {
            font-weight: bold;
            color: #ffffff;
        }

        .category-description {
            font-size: 0.9rem;
            color: #cccccc;
            line-height: 1.4;
        }

        /* Toggle Switch */
        .toggle-switch {
            position: relative;
            width: 50px;
            height: 25px;
            background: #333;
            border-radius: 25px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 1px solid #555;
        }

        .toggle-switch.active {
            background: linear-gradient(45deg, #00ffff, #ff00ff);
            box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
        }

        .toggle-switch::before {
            content: '';
            position: absolute;
            top: 2px;
            left: 2px;
            width: 19px;
            height: 19px;
            background: #ffffff;
            border-radius: 50%;
            transition: all 0.3s ease;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
        }

        .toggle-switch.active::before {
            transform: translateX(25px);
            box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
        }

        .settings-actions {
            display: flex;
            gap: 1rem;
            justify-content: flex-end;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid rgba(0, 255, 255, 0.3);
        }

        /* Animations */
        @keyframes neonPulse {
            0%, 100% { opacity: 0.5; }
            50% { opacity: 1; }
        }

        @keyframes glitch {
            0% { transform: translateX(0); }
            20% { transform: translateX(-2px); }
            40% { transform: translateX(2px); }
            60% { transform: translateX(-1px); }
            80% { transform: translateX(1px); }
            100% { transform: translateX(0); }
        }

        .glitch-effect:hover {
            animation: glitch 0.3s ease-in-out;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .cookie-content {
                grid-template-columns: 1fr;
                gap: 1.5rem;
                text-align: center;
            }

            .cookie-actions {
                justify-content: center;
            }

            .neon-btn {
                flex: 1;
                min-width: auto;
            }

            .settings-content {
                padding: 1.5rem;
                margin: 1rem;
            }
        }

        @media (max-width: 480px) {
            .neon-cookie-banner {
                padding: 1rem;
            }

            .cookie-actions {
                flex-direction: column;
            }

            .neon-btn {
                width: 100%;
            }
        }
    </style>
</head>
<body>
    <div class="demo-content">
        <h1>Neon Dark Cookie Banner Demo</h1>
        <p>Scroll down to see the futuristic cookie consent banner</p>
        <button onclick="showCookieBanner()" style="margin-top: 2rem; padding: 1rem 2rem; background: linear-gradient(45deg, #00ffff, #ff00ff); border: none; color: white; cursor: pointer; border-radius: 5px;">Show Cookie Banner</button>
    </div>

    <!-- Cookie Banner -->
    <div id="neonCookieBanner" class="neon-cookie-banner">
        <div class="cookie-content">
            <div class="cookie-text">
                <div class="cookie-title glitch-effect">🍪 COOKIE PROTOCOL INITIATED</div>
                <div class="cookie-description">
                    We use advanced tracking algorithms to enhance your digital experience. 
                    <a href="#" class="cookie-link">Privacy Matrix</a> | 
                    <a href="#" class="cookie-link">Data Protocols</a>
                </div>
            </div>
            <div class="cookie-actions">
                <button class="neon-btn btn-accept" onclick="acceptCookies()">ACCEPT</button>
                <button class="neon-btn btn-decline" onclick="declineCookies()">DECLINE</button>
                <button class="neon-btn btn-settings" onclick="openSettings()">SETTINGS</button>
            </div>
        </div>
    </div>

    <!-- Settings Modal -->
    <div id="cookieSettingsModal" class="cookie-settings-modal">
        <div class="settings-content">
            <div class="settings-header">
                <h3 class="settings-title">COOKIE CONFIGURATION</h3>
                <button class="close-btn" onclick="closeSettings()">&times;</button>
            </div>
            
            <div class="cookie-category">
                <div class="category-header">
                    <span class="category-title">Essential Protocols</span>
                    <div class="toggle-switch active" data-category="essential">
                    </div>
                </div>
                <div class="category-description">
                    Core system functions required for basic website operations. Cannot be disabled.
                </div>
            </div>

            <div class="cookie-category">
                <div class="category-header">
                    <span class="category-title">Analytics Matrix</span>
                    <div class="toggle-switch" data-category="analytics">
                    </div>
                </div>
                <div class="category-description">
                    Data collection algorithms for performance optimization and user behavior analysis.
                </div>
            </div>

            <div class="cookie-category">
                <div class="category-header">
                    <span class="category-title">Marketing Algorithms</span>
                    <div class="toggle-switch" data-category="marketing">
                    </div>
                </div>
                <div class="category-description">
                    Targeted advertising protocols and personalized content delivery systems.
                </div>
            </div>

            <div class="cookie-category">
                <div class="category-header">
                    <span class="category-title">Social Networks</span>
                    <div class="toggle-switch" data-category="social">
                    </div>
                </div>
                <div class="category-description">
                    Third-party social media integration and sharing capabilities.
                </div>
            </div>

            <div class="settings-actions">
                <button class="neon-btn btn-decline" onclick="saveSettings(false)">SAVE & DECLINE</button>
                <button class="neon-btn btn-accept" onclick="saveSettings(true)">SAVE & ACCEPT</button>
            </div>
        </div>
    </div>

    <script>
        class NeonCookieBanner {
            constructor(options = {}) {
                this.options = {
                    autoShow: true,
                    showDelay: 1000,
                    storageKey: 'neon_cookie_consent',
                    expiryDays: 365,
                    onAccept: null,
                    onDecline: null,
                    onSettingsSave: null,
                    ...options
                };

                this.banner = document.getElementById('neonCookieBanner');
                this.modal = document.getElementById('cookieSettingsModal');
                this.consent = this.getStoredConsent();

                this.init();
            }

            init() {
                if (this.options.autoShow && !this.consent) {
                    setTimeout(() => this.show(), this.options.showDelay);
                }

                this.setupEventListeners();
                this.loadSettings();
            }

            setupEventListeners() {
                // Toggle switches
                document.querySelectorAll('.toggle-switch').forEach(toggle => {
                    toggle.addEventListener('click', () => {
                        if (toggle.dataset.category !== 'essential') {
                            toggle.classList.toggle('active');
                        }
                    });
                });

                // Modal backdrop click
                this.modal.addEventListener('click', (e) => {
                    if (e.target === this.modal) {
                        this.closeSettings();
                    }
                });

                // Keyboard navigation
                document.addEventListener('keydown', (e) => {
                    if (e.key === 'Escape') {
                        this.closeSettings();
                    }
                });
            }

            show() {
                this.banner.classList.add('show');
                // Add glitch effect on show
                setTimeout(() => {
                    this.banner.querySelector('.cookie-title').classList.add('glitch-effect');
                }, 300);
            }

            hide() {
                this.banner.classList.remove('show');
            }

            accept() {
                const consent = {
                    essential: true,
                    analytics: true,
                    marketing: true,
                    social: true,
                    timestamp: Date.now()
                };

                this.saveConsent(consent);
                this.hide();

                if (this.options.onAccept) {
                    this.options.onAccept(consent);
                }
            }

            decline() {
                const consent = {
                    essential: true,
                    analytics: false,
                    marketing: false,
                    social: false,
                    timestamp: Date.now()
                };

                this.saveConsent(consent);
                this.hide();

                if (this.options.onDecline) {
                    this.options.onDecline(consent);
                }
            }

            openSettings() {
                this.modal.classList.add('show');
                document.body.style.overflow = 'hidden';
            }

            closeSettings() {
                this.modal.classList.remove('show');
                document.body.style.overflow = '';
            }

            saveSettings(acceptAll = false) {
                const toggles = document.querySelectorAll('.toggle-switch');
                const consent = { timestamp: Date.now() };

                toggles.forEach(toggle => {
                    const category = toggle.dataset.category;
                    if (acceptAll) {
                        consent[category] = true;
                        toggle.classList.add('active');
                    } else {
                        consent[category] = toggle.classList.contains('active');
                    }
                });

                this.saveConsent(consent);
                this.closeSettings();
                this.hide();

                if (this.options.onSettingsSave) {
                    this.options.onSettingsSave(consent);
                }
            }

            loadSettings() {
                if (this.consent) {
                    document.querySelectorAll('.toggle-switch').forEach(toggle => {
                        const category = toggle.dataset.category;
                        if (this.consent[category]) {
                            toggle.classList.add('active');
                        } else {
                            toggle.classList.remove('active');
                        }
                    });
                }
            }

            saveConsent(consent) {
                const expiryDate = new Date();
                expiryDate.setDate(expiryDate.getDate() + this.options.expiryDays);
                
                const consentData = {
                    ...consent,
                    expiry: expiryDate.getTime()
                };

                localStorage.setItem(this.options.storageKey, JSON.stringify(consentData));
                this.consent = consent;
            }

            getStoredConsent() {
                try {
                    const stored = localStorage.getItem(this.options.storageKey);
                    if (stored) {
                        const data = JSON.parse(stored);
                        if (data.expiry && Date.now() < data.expiry) {
                            return data;
                        } else {
                            localStorage.removeItem(this.options.storageKey);
                        }
                    }
                } catch (e) {
                    console.error('Error reading cookie consent:', e);
                }
                return null;
            }

            reset() {
                localStorage.removeItem(this.options.storageKey);
                this.consent = null;
                this.show();
            }

            getConsent() {
                return this.consent;
            }
        }

        // Initialize the banner
        const cookieBanner = new NeonCookieBanner({
            onAccept: (consent) => {
                console.log('Cookies accepted:', consent);
                // Initialize analytics, marketing scripts, etc.
            },
            onDecline: (consent) => {
                console.log('Cookies declined:', consent);
                // Only load essential scripts
            },
            onSettingsSave: (consent) => {
                console.log('Settings saved:', consent);
                // Load scripts based on user preferences
            }
        });

        // Global functions for demo
        function showCookieBanner() {
            cookieBanner.reset();
        }

        function acceptCookies() {
            cookieBanner.accept();
        }

        function declineCookies() {
            cookieBanner.decline();
        }

        function openSettings() {
            cookieBanner.openSettings();
        }

        function closeSettings() {
            cookieBanner.closeSettings();
        }

        function saveSettings(acceptAll) {
            cookieBanner.saveSettings(acceptAll);
        }
    </script>
</body>
</html>

Snippet Features

Responsive Design: Yes
Dark Mode Support: No
Category: interactive
Difficulty Level: Intermediate