🎿 Complete SnowWorld Narrowcasting System - MBO Challenge 18

 Full-stack narrowcasting platform implementation
 Real-time WebSocket communication for instant updates
 Zone-specific content distribution (reception, restaurant, skislope, lockers, shop)
 Professional admin dashboard with content management interface
 Beautiful client display with winter/snow theme matching SnowWorld branding
 Comprehensive technical documentation and test suite
 Docker deployment support with CI/CD pipeline
 All system tests passing successfully

🏗️ Technical Implementation:
- Backend: Node.js/Express with SQLite database
- Frontend: Vanilla HTML/CSS/JavaScript (no frameworks)
- Real-time: Socket.io WebSocket communication
- Database: Complete schema with content, schedule, zones, logs tables
- Security: File validation, input sanitization, CORS protection
- Performance: Optimized for fast loading and real-time updates

🚀 Features Delivered:
- Content upload (images, videos) with drag-and-drop interface
- Content scheduling and planning system
- Weather widget with real-time snow information
- Responsive design for all screen sizes
- Comprehensive error handling and fallback mechanisms
- Professional winter theme with snow animations
- Keyboard shortcuts and accessibility features

📁 Project Structure:
- /backend: Complete Node.js server with API and WebSocket
- /admin: Professional admin dashboard interface
- /client: Beautiful client display application
- /deployment: Docker and deployment configurations
- /docs: Comprehensive technical documentation
- /test_system.js: Complete test suite (all tests passing)

🧪 Testing Results:
- Server health:  Online and responsive
- API endpoints:  All endpoints functional
- Database operations:  All operations successful
- WebSocket communication:  Real-time updates working
- Zone distribution:  6 zones correctly loaded
- Weather integration:  Weather data available

Ready for production deployment at SnowWorld! 🎿❄️
This commit is contained in:
Alvin-Zilverstand
2026-01-19 10:02:11 +01:00
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/* SnowWorld Client Display Styles */
:root {
--primary-color: #0066cc;
--secondary-color: #e6f3ff;
--accent-color: #00a8ff;
--success-color: #28a745;
--warning-color: #ffc107;
--danger-color: #dc3545;
--dark-color: #2c3e50;
--light-color: #f8f9fa;
--white: #ffffff;
--text-primary: #212529;
--text-secondary: #6c757d;
--shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
--border-radius: 12px;
--transition: all 0.3s ease;
}
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
height: 100vh;
overflow: hidden;
color: var(--white);
}
/* Main Display Container */
.display-container {
position: relative;
width: 100vw;
height: 100vh;
display: flex;
align-items: center;
justify-content: center;
background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}
/* Loading Screen */
.loading-screen {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
display: flex;
align-items: center;
justify-content: center;
z-index: 1000;
transition: opacity 0.5s ease, visibility 0.5s ease;
}
.loading-screen.hidden {
opacity: 0;
visibility: hidden;
}
.loading-content {
text-align: center;
color: var(--white);
}
.snowflake-loader {
font-size: 4rem;
margin-bottom: 2rem;
animation: snowflake-spin 2s linear infinite;
}
@keyframes snowflake-spin {
0% { transform: rotate(0deg) scale(1); }
50% { transform: rotate(180deg) scale(1.1); }
100% { transform: rotate(360deg) scale(1); }
}
.loading-content h2 {
font-size: 2.5rem;
font-weight: 300;
margin-bottom: 0.5rem;
text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}
.loading-content p {
font-size: 1.2rem;
margin-bottom: 2rem;
opacity: 0.9;
}
.loading-bar {
width: 200px;
height: 4px;
background: rgba(255, 255, 255, 0.3);
border-radius: 2px;
overflow: hidden;
margin: 0 auto;
}
.loading-progress {
height: 100%;
background: var(--white);
border-radius: 2px;
animation: loading-progress 3s ease-in-out infinite;
}
@keyframes loading-progress {
0% { width: 0%; }
50% { width: 70%; }
100% { width: 100%; }
}
/* Content Display */
.content-display {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
display: flex;
align-items: center;
justify-content: center;
z-index: 1;
}
.content-item {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
display: flex;
align-items: center;
justify-content: center;
opacity: 0;
transition: opacity 1s ease-in-out;
}
.content-item.active {
opacity: 1;
}
.content-item img {
max-width: 100%;
max-height: 100%;
object-fit: contain;
border-radius: var(--border-radius);
box-shadow: var(--shadow);
}
.content-item video {
max-width: 100%;
max-height: 100%;
border-radius: var(--border-radius);
box-shadow: var(--shadow);
}
.content-item .content-placeholder {
text-align: center;
padding: 2rem;
background: rgba(255, 255, 255, 0.1);
border-radius: var(--border-radius);
backdrop-filter: blur(10px);
}
.content-placeholder i {
font-size: 6rem;
margin-bottom: 1rem;
opacity: 0.8;
}
.content-placeholder h3 {
font-size: 2rem;
margin-bottom: 0.5rem;
}
.content-placeholder p {
font-size: 1.2rem;
opacity: 0.9;
}
/* Weather Widget */
.weather-widget {
position: absolute;
top: 2rem;
right: 2rem;
background: rgba(255, 255, 255, 0.15);
backdrop-filter: blur(10px);
border-radius: var(--border-radius);
padding: 1.5rem;
box-shadow: var(--shadow);
border: 1px solid rgba(255, 255, 255, 0.2);
z-index: 10;
min-width: 200px;
}
.weather-content {
display: flex;
align-items: center;
gap: 1rem;
}
.weather-temp {
font-size: 2.5rem;
font-weight: 300;
color: var(--white);
text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}
.weather-info {
flex: 1;
}
.weather-condition {
display: flex;
align-items: center;
gap: 0.5rem;
margin-bottom: 0.5rem;
font-size: 1rem;
}
.weather-condition i {
color: var(--accent-color);
}
.weather-details {
font-size: 0.9rem;
opacity: 0.9;
}
/* Zone Indicator */
.zone-indicator {
position: absolute;
top: 2rem;
left: 2rem;
background: rgba(255, 255, 255, 0.15);
backdrop-filter: blur(10px);
border-radius: var(--border-radius);
padding: 1rem 1.5rem;
box-shadow: var(--shadow);
border: 1px solid rgba(255, 255, 255, 0.2);
z-index: 10;
}
.zone-info {
display: flex;
align-items: center;
gap: 0.5rem;
font-size: 1.2rem;
font-weight: 500;
}
.zone-info i {
color: var(--accent-color);
}
/* Time Display */
.time-display {
position: absolute;
bottom: 2rem;
right: 2rem;
background: rgba(255, 255, 255, 0.15);
backdrop-filter: blur(10px);
border-radius: var(--border-radius);
padding: 1.5rem;
box-shadow: var(--shadow);
border: 1px solid rgba(255, 255, 255, 0.2);
z-index: 10;
text-align: center;
}
.current-time {
font-size: 3rem;
font-weight: 300;
color: var(--white);
text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
margin-bottom: 0.5rem;
}
.current-date {
font-size: 1rem;
opacity: 0.9;
}
/* Snow Animation */
.snow-animation {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
pointer-events: none;
z-index: 0;
}
.snowflake {
position: absolute;
color: rgba(255, 255, 255, 0.8);
font-size: 1rem;
animation: snowfall linear infinite;
}
.snowflake:nth-child(1) {
left: 10%;
animation-duration: 10s;
animation-delay: 0s;
}
.snowflake:nth-child(2) {
left: 20%;
animation-duration: 12s;
animation-delay: 1s;
}
.snowflake:nth-child(3) {
left: 30%;
animation-duration: 8s;
animation-delay: 2s;
}
.snowflake:nth-child(4) {
left: 40%;
animation-duration: 14s;
animation-delay: 0.5s;
}
.snowflake:nth-child(5) {
left: 50%;
animation-duration: 9s;
animation-delay: 1.5s;
}
.snowflake:nth-child(6) {
left: 60%;
animation-duration: 11s;
animation-delay: 3s;
}
.snowflake:nth-child(7) {
left: 70%;
animation-duration: 13s;
animation-delay: 2.5s;
}
.snowflake:nth-child(8) {
left: 80%;
animation-duration: 15s;
animation-delay: 4s;
}
@keyframes snowfall {
0% {
transform: translateY(-100vh) rotate(0deg);
opacity: 1;
}
100% {
transform: translateY(100vh) rotate(360deg);
opacity: 0;
}
}
/* Connection Status */
.connection-status {
position: absolute;
bottom: 2rem;
left: 2rem;
background: rgba(255, 255, 255, 0.15);
backdrop-filter: blur(10px);
border-radius: var(--border-radius);
padding: 0.75rem 1rem;
box-shadow: var(--shadow);
border: 1px solid rgba(255, 255, 255, 0.2);
z-index: 10;
font-size: 0.9rem;
}
.status-indicator {
display: flex;
align-items: center;
gap: 0.5rem;
}
.status-dot {
width: 8px;
height: 8px;
border-radius: 50%;
background: var(--success-color);
animation: pulse 2s infinite;
}
.status-dot.disconnected {
background: var(--danger-color);
animation: none;
}
.status-dot.connecting {
background: var(--warning-color);
animation: pulse 1s infinite;
}
@keyframes pulse {
0%, 100% { opacity: 1; }
50% { opacity: 0.5; }
}
/* Error Overlay */
.error-overlay {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.8);
display: none;
align-items: center;
justify-content: center;
z-index: 2000;
}
.error-overlay.active {
display: flex;
}
.error-content {
background: var(--white);
color: var(--text-primary);
padding: 3rem;
border-radius: var(--border-radius);
text-align: center;
box-shadow: var(--shadow);
max-width: 400px;
}
.error-icon {
font-size: 4rem;
color: var(--danger-color);
margin-bottom: 1rem;
}
.error-content h3 {
margin-bottom: 1rem;
color: var(--danger-color);
}
.error-content p {
margin-bottom: 2rem;
opacity: 0.8;
}
.retry-button {
background: var(--primary-color);
color: var(--white);
border: none;
padding: 0.75rem 1.5rem;
border-radius: var(--border-radius);
cursor: pointer;
font-size: 1rem;
transition: var(--transition);
display: inline-flex;
align-items: center;
gap: 0.5rem;
}
.retry-button:hover {
background: #0052a3;
transform: translateY(-1px);
}
/* Zone Selection Modal */
.zone-modal {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.9);
display: none;
align-items: center;
justify-content: center;
z-index: 3000;
}
.zone-modal.active {
display: flex;
}
.zone-modal-content {
background: var(--white);
color: var(--text-primary);
padding: 3rem;
border-radius: var(--border-radius);
text-align: center;
box-shadow: var(--shadow);
max-width: 600px;
width: 90%;
}
.zone-modal-content h2 {
margin-bottom: 1rem;
color: var(--primary-color);
}
.zone-modal-content p {
margin-bottom: 2rem;
opacity: 0.8;
}
.zone-options {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 1rem;
}
.zone-option {
background: var(--light-color);
border: 2px solid transparent;
border-radius: var(--border-radius);
padding: 1.5rem;
cursor: pointer;
transition: var(--transition);
text-align: center;
}
.zone-option:hover {
border-color: var(--primary-color);
transform: translateY(-2px);
box-shadow: var(--shadow);
}
.zone-option.selected {
border-color: var(--primary-color);
background: var(--secondary-color);
}
.zone-option-icon {
font-size: 2rem;
color: var(--primary-color);
margin-bottom: 0.5rem;
}
.zone-option-name {
font-weight: 600;
margin-bottom: 0.25rem;
}
.zone-option-description {
font-size: 0.9rem;
opacity: 0.8;
}
/* Content Transitions */
.content-fade-in {
animation: contentFadeIn 1s ease-in-out;
}
@keyframes contentFadeIn {
from {
opacity: 0;
transform: scale(0.9);
}
to {
opacity: 1;
transform: scale(1);
}
}
.content-fade-out {
animation: contentFadeOut 1s ease-in-out;
}
@keyframes contentFadeOut {
from {
opacity: 1;
transform: scale(1);
}
to {
opacity: 0;
transform: scale(1.1);
}
}
/* Responsive Design */
@media (max-width: 768px) {
.weather-widget {
top: 1rem;
right: 1rem;
padding: 1rem;
min-width: 150px;
}
.weather-temp {
font-size: 2rem;
}
.zone-indicator {
top: 1rem;
left: 1rem;
padding: 0.75rem 1rem;
}
.time-display {
bottom: 1rem;
right: 1rem;
padding: 1rem;
}
.current-time {
font-size: 2rem;
}
.connection-status {
bottom: 1rem;
left: 1rem;
padding: 0.5rem 0.75rem;
font-size: 0.8rem;
}
.zone-options {
grid-template-columns: 1fr;
}
}
/* High contrast mode support */
@media (prefers-contrast: high) {
.weather-widget,
.zone-indicator,
.time-display,
.connection-status {
background: rgba(0, 0, 0, 0.8);
color: white;
border: 2px solid white;
}
}
/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
.snowflake-loader {
animation: none;
}
.loading-progress {
animation: none;
width: 100%;
}
.snowflake {
animation: none;
}
* {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
}
}