Bottom Slide-in Cookie Consent Banner
Intermediate
A sleek bottom slide-in cookie consent banner with smooth transitions, progressive disclosure, and elegant animation effects
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>Bottom Slide Cookie Banner</title>
<style>
:root {
--primary-color: #4f46e5;
--primary-hover: #4338ca;
--secondary-color: #6b7280;
--success-color: #059669;
--success-hover: #047857;
--danger-color: #dc2626;
--danger-hover: #b91c1c;
--background: #ffffff;
--surface: #f9fafb;
--text-primary: #111827;
--text-secondary: #6b7280;
--text-muted: #9ca3af;
--border-color: #e5e7eb;
--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
--border-radius: 8px;
--border-radius-lg: 12px;
--transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
--transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
--slide-distance: 100%;
}
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
color: var(--text-primary);
line-height: 1.6;
padding: 2rem;
overflow-x: hidden;
}
.demo-container {
max-width: 1200px;
margin: 0 auto;
text-align: center;
color: white;
}
.demo-container h1 {
font-size: 3rem;
font-weight: 800;
margin-bottom: 1rem;
background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
.demo-container p {
font-size: 1.2rem;
opacity: 0.9;
margin-bottom: 2rem;
}
.demo-btn {
padding: 1rem 2rem;
border: none;
border-radius: var(--border-radius);
background: rgba(255, 255, 255, 0.2);
backdrop-filter: blur(10px);
color: white;
font-family: inherit;
font-size: 1.1rem;
font-weight: 600;
cursor: pointer;
transition: var(--transition);
border: 1px solid rgba(255, 255, 255, 0.3);
}
.demo-btn:hover {
background: rgba(255, 255, 255, 0.3);
transform: translateY(-2px);
box-shadow: var(--shadow-lg);
}
/* Bottom Slide Cookie Banner */
.bottom-slide-cookie-banner {
position: fixed;
bottom: 0;
left: 0;
right: 0;
background: var(--background);
border-top: 1px solid var(--border-color);
box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.1), 0 -2px 4px -1px rgba(0, 0, 0, 0.06);
transform: translateY(var(--slide-distance));
transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
z-index: 10000;
backdrop-filter: blur(20px);
}
.bottom-slide-cookie-banner.show {
transform: translateY(0);
}
.banner-content {
max-width: 1200px;
margin: 0 auto;
padding: 1.5rem;
}
.banner-header {
display: flex;
align-items: flex-start;
gap: 1rem;
margin-bottom: 1rem;
}
.banner-icon {
width: 48px;
height: 48px;
background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-size: 1.5rem;
color: white;
flex-shrink: 0;
animation: pulse 2s infinite;
}
@keyframes pulse {
0%, 100% {
transform: scale(1);
box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.4);
}
50% {
transform: scale(1.05);
box-shadow: 0 0 0 10px rgba(79, 70, 229, 0);
}
}
.banner-text {
flex: 1;
}
.banner-title {
font-size: 1.25rem;
font-weight: 700;
color: var(--text-primary);
margin-bottom: 0.5rem;
}
.banner-description {
color: var(--text-secondary);
font-size: 0.95rem;
line-height: 1.6;
}
.cookie-link {
color: var(--primary-color);
text-decoration: none;
font-weight: 600;
transition: var(--transition-fast);
position: relative;
}
.cookie-link::after {
content: '';
position: absolute;
bottom: -2px;
left: 0;
width: 0;
height: 2px;
background: var(--primary-color);
transition: width 0.3s ease;
}
.cookie-link:hover {
color: var(--primary-hover);
}
.cookie-link:hover::after {
width: 100%;
}
.banner-actions {
display: flex;
gap: 0.75rem;
align-items: center;
flex-wrap: wrap;
margin-top: 1rem;
}
/* Slide Buttons */
.slide-btn {
padding: 0.75rem 1.5rem;
border: none;
border-radius: var(--border-radius);
font-family: inherit;
font-size: 0.9rem;
font-weight: 600;
cursor: pointer;
transition: var(--transition);
position: relative;
overflow: hidden;
text-transform: uppercase;
letter-spacing: 0.5px;
min-width: 120px;
}
.slide-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;
}
.slide-btn:hover::before {
left: 100%;
}
.btn-accept {
background: var(--success-color);
color: white;
box-shadow: var(--shadow-md);
}
.btn-accept:hover {
background: var(--success-hover);
transform: translateY(-2px);
box-shadow: var(--shadow-lg);
}
.btn-decline {
background: var(--danger-color);
color: white;
box-shadow: var(--shadow-md);
}
.btn-decline:hover {
background: var(--danger-hover);
transform: translateY(-2px);
box-shadow: var(--shadow-lg);
}
.btn-customize {
background: var(--surface);
color: var(--text-primary);
border: 1px solid var(--border-color);
box-shadow: var(--shadow-sm);
}
.btn-customize:hover {
background: var(--border-color);
transform: translateY(-2px);
box-shadow: var(--shadow-md);
}
.btn-expand {
background: transparent;
color: var(--primary-color);
border: 1px solid var(--primary-color);
padding: 0.5rem 1rem;
font-size: 0.8rem;
}
.btn-expand:hover {
background: var(--primary-color);
color: white;
}
/* Expandable Details */
.expandable-details {
max-height: 0;
overflow: hidden;
transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
background: var(--surface);
border-radius: var(--border-radius);
margin-top: 1rem;
}
.expandable-details.expanded {
max-height: 400px;
padding: 1.5rem;
border: 1px solid var(--border-color);
}
.details-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 1.5rem;
}
.cookie-category {
background: var(--background);
padding: 1rem;
border-radius: var(--border-radius);
border: 1px solid var(--border-color);
transition: var(--transition-fast);
}
.cookie-category:hover {
box-shadow: var(--shadow-md);
transform: translateY(-1px);
}
.category-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 0.75rem;
}
.category-title {
font-weight: 700;
font-size: 1rem;
color: var(--text-primary);
}
.category-description {
font-size: 0.85rem;
color: var(--text-secondary);
line-height: 1.5;
}
/* Slide Toggle */
.slide-toggle {
position: relative;
width: 48px;
height: 24px;
background: var(--border-color);
border-radius: 12px;
cursor: pointer;
transition: var(--transition);
}
.slide-toggle.active {
background: var(--success-color);
}
.slide-toggle::before {
content: '';
position: absolute;
top: 2px;
left: 2px;
width: 20px;
height: 20px;
background: white;
border-radius: 50%;
transition: var(--transition);
box-shadow: var(--shadow-sm);
}
.slide-toggle.active::before {
transform: translateX(24px);
}
.slide-toggle:hover {
transform: scale(1.05);
}
/* Progress Indicator */
.progress-indicator {
position: absolute;
bottom: 0;
left: 0;
height: 3px;
background: var(--primary-color);
width: 0;
transition: width 0.3s ease;
}
.banner-content:hover .progress-indicator {
width: 100%;
}
/* Loading Animation */
.loading-dots {
display: inline-flex;
gap: 4px;
}
.loading-dots span {
width: 6px;
height: 6px;
background: currentColor;
border-radius: 50%;
animation: loading 1.4s infinite ease-in-out;
}
.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }
@keyframes loading {
0%, 80%, 100% {
transform: scale(0.8);
opacity: 0.5;
}
40% {
transform: scale(1);
opacity: 1;
}
}
/* Success Animation */
.success-checkmark {
width: 20px;
height: 20px;
border-radius: 50%;
display: inline-block;
stroke-width: 2;
stroke: currentColor;
stroke-miterlimit: 10;
box-shadow: inset 0px 0px 0px currentColor;
animation: fill 0.4s ease-in-out 0.4s forwards, scale 0.3s ease-in-out 0.9s both;
}
.checkmark-circle {
stroke-dasharray: 166;
stroke-dashoffset: 166;
stroke-width: 2;
stroke-miterlimit: 10;
stroke: currentColor;
fill: none;
animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}
.checkmark-check {
transform-origin: 50% 50%;
stroke-dasharray: 48;
stroke-dashoffset: 48;
animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}
@keyframes stroke {
100% {
stroke-dashoffset: 0;
}
}
@keyframes scale {
0%, 100% {
transform: none;
}
50% {
transform: scale3d(1.1, 1.1, 1);
}
}
@keyframes fill {
100% {
box-shadow: inset 0px 0px 0px 30px currentColor;
}
}
/* Responsive Design */
@media (max-width: 768px) {
.banner-header {
flex-direction: column;
text-align: center;
}
.banner-actions {
justify-content: center;
flex-direction: column;
}
.slide-btn {
width: 100%;
min-width: auto;
}
.details-grid {
grid-template-columns: 1fr;
}
.banner-content {
padding: 1rem;
}
}
@media (max-width: 480px) {
body {
padding: 1rem;
}
.demo-container h1 {
font-size: 2rem;
}
.banner-content {
padding: 0.75rem;
}
.banner-title {
font-size: 1.1rem;
}
.banner-description {
font-size: 0.9rem;
}
}
/* Slide-in Animation Variants */
.slide-in-left {
transform: translateX(-100%);
}
.slide-in-right {
transform: translateX(100%);
}
.slide-in-fade {
transform: translateY(100%) scale(0.9);
opacity: 0;
}
.slide-in-fade.show {
transform: translateY(0) scale(1);
opacity: 1;
}
/* Bounce Effect */
.bounce-in {
animation: bounceIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
@keyframes bounceIn {
0% {
transform: translateY(100%) scale(0.3);
opacity: 0;
}
50% {
transform: translateY(-10%) scale(1.05);
}
70% {
transform: translateY(5%) scale(0.98);
}
100% {
transform: translateY(0) scale(1);
opacity: 1;
}
}
</style>
</head>
<body>
<div class="demo-container">
<h1>Smooth Slide Design</h1>
<p>Experience the elegance of smooth slide transitions with progressive disclosure and modern interactions</p>
<button class="demo-btn" onclick="showCookieBanner()">Show Cookie Banner</button>
</div>
<!-- Bottom Slide Cookie Banner -->
<div id="bottomSlideCookieBanner" class="bottom-slide-cookie-banner">
<div class="progress-indicator"></div>
<div class="banner-content">
<div class="banner-header">
<div class="banner-icon">🍪</div>
<div class="banner-text">
<div class="banner-title">Cookie Preferences</div>
<div class="banner-description">
We use cookies to enhance your browsing experience and provide personalized content.
<a href="#" class="cookie-link">Privacy Policy</a> |
<a href="#" class="cookie-link">Cookie Policy</a>
</div>
</div>
</div>
<div class="banner-actions">
<button class="slide-btn btn-accept" onclick="acceptCookies()">Accept All</button>
<button class="slide-btn btn-decline" onclick="declineCookies()">Decline</button>
<button class="slide-btn btn-customize" onclick="openCustomization()">Customize</button>
<button class="slide-btn btn-expand" onclick="toggleDetails()">Learn More</button>
</div>
<!-- Expandable Details -->
<div id="expandableDetails" class="expandable-details">
<div class="details-grid">
<div class="cookie-category">
<div class="category-header">
<span class="category-title">Essential Cookies</span>
<div class="slide-toggle active" data-category="essential"></div>
</div>
<div class="category-description">
These cookies are necessary for the website to function and cannot be switched off. They are usually only set in response to actions made by you.
</div>
</div>
<div class="cookie-category">
<div class="category-header">
<span class="category-title">Analytics Cookies</span>
<div class="slide-toggle" data-category="analytics"></div>
</div>
<div class="category-description">
These cookies help us understand how visitors interact with our website by collecting and reporting information anonymously.
</div>
</div>
<div class="cookie-category">
<div class="category-header">
<span class="category-title">Marketing Cookies</span>
<div class="slide-toggle" data-category="marketing"></div>
</div>
<div class="category-description">
These cookies are used to deliver advertisements more relevant to you and your interests based on your browsing behavior.
</div>
</div>
<div class="cookie-category">
<div class="category-header">
<span class="category-title">Functional Cookies</span>
<div class="slide-toggle" data-category="functional"></div>
</div>
<div class="category-description">
These cookies enable enhanced functionality and personalization, such as remembering your preferences and settings.
</div>
</div>
</div>
</div>
</div>
</div>
<script>
class BottomSlideCookieBanner {
constructor(options = {}) {
this.options = {
autoShow: true,
showDelay: 1500,
storageKey: 'bottom_slide_cookie_consent',
expirationDays: 365,
enableAnimations: true,
slideDirection: 'bottom',
animationType: 'slide', // 'slide', 'fade', 'bounce'
progressiveDisclosure: true,
onAccept: null,
onDecline: null,
onCustomize: null,
...options
};
this.banner = document.getElementById('bottomSlideCookieBanner');
this.expandableDetails = document.getElementById('expandableDetails');
this.consent = this.getStoredConsent();
this.isVisible = false;
this.isExpanded = false;
this.init();
}
init() {
if (this.options.autoShow && !this.consent) {
setTimeout(() => this.show(), this.options.showDelay);
}
this.setupEventListeners();
this.loadConfiguration();
this.setupAnimationType();
}
setupEventListeners() {
// Toggle switches
document.querySelectorAll('.slide-toggle').forEach(toggle => {
toggle.addEventListener('click', () => {
if (toggle.dataset.category !== 'essential') {
toggle.classList.toggle('active');
this.animateToggle(toggle);
}
});
});
// Keyboard navigation
document.addEventListener('keydown', (e) => {
if (e.key === 'Escape' && this.isExpanded) {
this.toggleDetails();
}
});
// Button hover effects
document.querySelectorAll('.slide-btn').forEach(btn => {
btn.addEventListener('mouseenter', () => {
this.createRipple(btn);
});
});
// Progress indicator on hover
this.banner.addEventListener('mouseenter', () => {
if (this.isVisible) {
this.enhanceProgressIndicator();
}
});
this.banner.addEventListener('mouseleave', () => {
if (this.isVisible) {
this.resetProgressIndicator();
}
});
}
setupAnimationType() {
const animationClasses = {
slide: '',
fade: 'slide-in-fade',
bounce: 'bounce-in'
};
const animationClass = animationClasses[this.options.animationType];
if (animationClass) {
this.banner.classList.add(animationClass);
}
}
animateToggle(toggle) {
if (!this.options.enableAnimations) return;
toggle.style.transform = 'scale(0.9)';
setTimeout(() => {
toggle.style.transform = 'scale(1)';
}, 150);
// Add pulse effect
toggle.style.boxShadow = '0 0 0 8px rgba(5, 150, 105, 0.2)';
setTimeout(() => {
toggle.style.boxShadow = '';
}, 300);
}
createRipple(button) {
if (!this.options.enableAnimations) return;
const ripple = document.createElement('span');
const rect = button.getBoundingClientRect();
const size = Math.max(rect.width, rect.height);
ripple.style.width = ripple.style.height = size + 'px';
ripple.style.left = '50%';
ripple.style.top = '50%';
ripple.style.transform = 'translate(-50%, -50%) scale(0)';
ripple.style.position = 'absolute';
ripple.style.borderRadius = '50%';
ripple.style.background = 'rgba(255, 255, 255, 0.3)';
ripple.style.pointerEvents = 'none';
ripple.style.animation = 'ripple 0.6s ease-out';
button.style.position = 'relative';
button.style.overflow = 'hidden';
button.appendChild(ripple);
setTimeout(() => {
ripple.remove();
}, 600);
}
enhanceProgressIndicator() {
if (!this.options.enableAnimations) return;
const indicator = this.banner.querySelector('.progress-indicator');
if (indicator) {
indicator.style.background = 'linear-gradient(90deg, var(--primary-color), var(--success-color))';
indicator.style.height = '4px';
}
}
resetProgressIndicator() {
if (!this.options.enableAnimations) return;
const indicator = this.banner.querySelector('.progress-indicator');
if (indicator) {
indicator.style.background = 'var(--primary-color)';
indicator.style.height = '3px';
}
}
show() {
this.banner.classList.add('show');
this.isVisible = true;
if (this.options.enableAnimations) {
this.animateEntrance();
}
}
hide() {
this.banner.classList.remove('show');
this.isVisible = false;
this.isExpanded = false;
this.expandableDetails.classList.remove('expanded');
}
animateEntrance() {
const elements = [
this.banner.querySelector('.banner-icon'),
this.banner.querySelector('.banner-title'),
this.banner.querySelector('.banner-description'),
this.banner.querySelector('.banner-actions')
];
elements.forEach((el, index) => {
if (el) {
el.style.opacity = '0';
el.style.transform = 'translateY(20px)';
setTimeout(() => {
el.style.transition = 'all 0.6s cubic-bezier(0.4, 0, 0.2, 1)';
el.style.opacity = '1';
el.style.transform = 'translateY(0)';
}, index * 100);
}
});
}
toggleDetails() {
this.isExpanded = !this.isExpanded;
if (this.isExpanded) {
this.expandableDetails.classList.add('expanded');
if (this.options.enableAnimations) {
this.animateDetailsExpansion();
}
} else {
this.expandableDetails.classList.remove('expanded');
}
// Update button text
const expandBtn = this.banner.querySelector('.btn-expand');
if (expandBtn) {
expandBtn.textContent = this.isExpanded ? 'Show Less' : 'Learn More';
}
}
animateDetailsExpansion() {
const categories = this.expandableDetails.querySelectorAll('.cookie-category');
categories.forEach((category, index) => {
category.style.opacity = '0';
category.style.transform = 'translateY(20px)';
setTimeout(() => {
category.style.transition = 'all 0.4s cubic-bezier(0.4, 0, 0.2, 1)';
category.style.opacity = '1';
category.style.transform = 'translateY(0)';
}, index * 100);
});
}
accept() {
const consent = {
essential: true,
analytics: true,
marketing: true,
functional: true,
timestamp: Date.now()
};
this.saveConsent(consent);
this.showSuccessAnimation();
setTimeout(() => {
this.hide();
}, 1500);
if (this.options.onAccept) {
this.options.onAccept(consent);
}
}
decline() {
const consent = {
essential: true,
analytics: false,
marketing: false,
functional: false,
timestamp: Date.now()
};
this.saveConsent(consent);
this.hide();
if (this.options.onDecline) {
this.options.onDecline(consent);
}
}
showSuccessAnimation() {
if (!this.options.enableAnimations) return;
const acceptBtn = this.banner.querySelector('.btn-accept');
if (acceptBtn) {
acceptBtn.innerHTML = `
<svg class="success-checkmark" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 52 52">
<circle class="checkmark-circle" cx="26" cy="26" r="25" fill="none"/>
<path class="checkmark-check" fill="none" d="m14.1 27.2l7.1 7.2 16.7-16.8"/>
</svg>
Accepted
`;
acceptBtn.style.background = 'var(--success-color)';
}
}
customize() {
this.toggleDetails();
if (this.options.onCustomize) {
this.options.onCustomize();
}
}
saveCustomization() {
const toggles = document.querySelectorAll('.slide-toggle');
const consent = { timestamp: Date.now() };
toggles.forEach(toggle => {
const category = toggle.dataset.category;
consent[category] = toggle.classList.contains('active');
});
this.saveConsent(consent);
this.hide();
if (this.options.onCustomize) {
this.options.onCustomize(consent);
}
}
loadConfiguration() {
if (this.consent) {
document.querySelectorAll('.slide-toggle').forEach(toggle => {
const category = toggle.dataset.category;
if (this.consent[category]) {
toggle.classList.add('active');
} else {
toggle.classList.remove('active');
}
});
}
}
saveConsent(consent) {
const expirationDate = new Date();
expirationDate.setDate(expirationDate.getDate() + this.options.expirationDays);
const consentData = {
...consent,
expiration: expirationDate.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.expiration && Date.now() < data.expiration) {
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;
}
setSlideDirection(direction) {
this.options.slideDirection = direction;
this.setupSlideDirection();
}
setupSlideDirection() {
const directions = {
bottom: 'translateY(100%)',
top: 'translateY(-100%)',
left: 'translateX(-100%)',
right: 'translateX(100%)'
};
const transform = directions[this.options.slideDirection] || directions.bottom;
document.documentElement.style.setProperty('--slide-distance', transform);
}
setAnimationType(type) {
this.options.animationType = type;
this.setupAnimationType();
}
enableAnimations(enabled) {
this.options.enableAnimations = enabled;
}
updateTheme(theme) {
const themes = {
light: {
'--background': '#ffffff',
'--surface': '#f9fafb',
'--text-primary': '#111827',
'--text-secondary': '#6b7280'
},
dark: {
'--background': '#1f2937',
'--surface': '#374151',
'--text-primary': '#f9fafb',
'--text-secondary': '#d1d5db'
}
};
if (themes[theme]) {
Object.entries(themes[theme]).forEach(([property, value]) => {
document.documentElement.style.setProperty(property, value);
});
}
}
}
// Add ripple animation CSS
const style = document.createElement('style');
style.textContent = `
@keyframes ripple {
to {
transform: translate(-50%, -50%) scale(2);
opacity: 0;
}
}
`;
document.head.appendChild(style);
// Initialize the banner
const cookieBanner = new BottomSlideCookieBanner({
slideDirection: 'bottom',
animationType: 'slide',
enableAnimations: true,
progressiveDisclosure: true,
onAccept: (consent) => {
console.log('Cookies accepted:', consent);
// Initialize analytics, marketing scripts, etc.
},
onDecline: (consent) => {
console.log('Cookies declined:', consent);
// Load only essential scripts
},
onCustomize: (consent) => {
console.log('Custom configuration 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 openCustomization() {
cookieBanner.customize();
}
function toggleDetails() {
cookieBanner.toggleDetails();
}
</script>
</body>
</html>