html,
body {
margin: 0;
padding: 0;
height: 100%;
width: 100%;
overflow: hidden;
background-color: #444;
font-family: 'Roboto', 'Helvetica', Arial, sans-serif;
}
iframe {
width: 100%;
height: 100%;
border: none;
transition: opacity 0.5s ease;
overflow: hidden;
background-color: #011c2f;
}
#overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: #0d3004;
z-index: 900;
opacity: 1;
/* Start transparent, made visible during transitions */
pointer-events: none;
transition: opacity 0.5s ease;
width: 100%;
height: 100vh;
/* Full viewport height for 1920x1080 or 1080x1920 */
background: linear-gradient(45deg,
#000000 0%,
/* Black start */
#1a1a1a 25%,
/* Dark grey transition */
#333333 50%,
/* Dark grey midpoint */
#1a1a1a 75%,
/* Dark grey transition */
#000000 100%
/* Black end */
);
background-size: 200% 200%;
/* Ensures smooth scaling */
background-repeat: no-repeat;
}
#overlay::before {
content: '';
position: absolute;
top: 75%;
/* 75% from the top */
left: 50%;
/* Center horizontally */
transform: translate(-50%, -75%);
/* Adjust for SVG dimensions */
width: 200px;
/* Size for visibility, adjust as needed */
height: 200px;
background-image: url('data:image/svg+xml;utf8,');
background-size: contain;
background-repeat: no-repeat;
filter: invert(100%);
/* Invert white to black */
}
/* Styles for Service Worker Progress UI on the overlay */
#sw-progress-container {
position: absolute;
bottom: 50px;
left: 50%;
transform: translateX(-50%);
display: none; /* Hidden by default, shown by JS */
flex-direction: column;
align-items: center;
z-index: 901; /* Above overlay background, below other potential popups if any */
}
#sw-progress-bar {
width: 250px; /* Or your preferred width */
height: 10px;
background-color: #555; /* Darker background for the bar */
border: 1px solid #777;
border-radius: 5px;
overflow: hidden; /* To contain the fill */
margin-bottom: 8px; /* Space between bar and text */
}
#sw-progress-bar-fill {
width: 0%; /* Initial width */
height: 100%;
background-color: lightgrey; /* Fill color */
transition: width 0.3s ease-out, background-color 0.3s ease-out; /* Added background-color transition */
animation: pulsate-opacity 2s infinite ease-in-out; /* Add pulsation animation */
}
#sw-status-message {
font-size: 12pt;
color: lightgrey;
font-family: sans-serif; /* As requested */
text-align: center;
}
/* Keyframes for opacity pulsation */
@keyframes pulsate-opacity {
0% {
opacity: 0.7;
}
50% {
opacity: 1;
}
100% {
opacity: 0.7;
}
}
#precache-status {
position: fixed; /* Use fixed to position relative to viewport */
bottom: 20px; /* Position from the bottom */
left: 50%; /* Center horizontally */
transform: translateX(-50%); /* Adjust for centering */
font-size: 12pt;
color: white;
font-family: sans-serif;
z-index: 10001; /* Ensure it's above the overlay */
text-shadow: 1px 1px 2px black; /* Improve readability */
display: none; /* Hidden by default */
}
#error {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: #721c24;
color: #fff;
display: none;
justify-content: center;
align-items: center;
flex-direction: column;
z-index: 1000;
padding: 20px;
text-align: center;
font-family: Arial, sans-serif;
}
#countdown {
margin-top: 20px;
font-size: 1.2em;
}
/* Debug panel styles - hidden by default */
.debug-panel {
position: fixed;
bottom: 0;
right: 0;
width: 300px;
background-color: rgba(0, 0, 0, 0.8);
color: #fff;
padding: 10px;
font-size: 12px;
z-index: 1000;
display: none;
}
.debug-panel.visible {
display: block;
}
.debug-item {
margin-bottom: 5px;
border-bottom: 1px solid #333;
padding-bottom: 5px;
}
.debug-title {
font-weight: bold;
color: #4CAF50;
}