/* General Styles */
body {
    background: linear-gradient(to bottom, #0d0d0d, #1a1a1a); /* Dark background */
    color: #dddddd; /* Muted text color */
    font-family: 'Courier New', Courier, monospace;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

/* Header */
header {
    font-size: 2.5rem;
    color: #ffffff;
    margin-bottom: 20px;
    text-shadow: 0 0 5px #ffffff, 0 0 10px #ffcc00; /* Glow effect */
    text-align: center;
}

/* Main Container */
.container {
    width: 100%;
    max-width: 800px;
    padding: 20px;
    text-align: center;
}

/* Cards */
.card {
    background-color: #1a1a1a;
    color: #f9d923; /* Yellow for highlights */
    border: 1px solid #333;
    border-radius: 5px;
    padding: 20px;
    margin-bottom: 20px;
}

/* Buttons */
button {
    background-color: #444444;
    color: #ffffff;
    border: 1px solid #555555;
    border-radius: 5px;
    padding: 10px 20px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #f9d923; /* Yellow on hover */
    color: #000000;
}

/* Input Fields */
input[type="text"] {
    background-color: #222222;
    color: #ffffff;
    border: 1px solid #444444;
    border-radius: 5px;
    padding: 10px;
    font-size: 1rem;
    margin-right: 10px;
}

/* List Styling */
ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.list-group-item {
    padding: 10px;
    border-bottom: 1px solid #333;
    color: #66ccff; /* Muted blue for list items */
}

.list-group-item:last-child {
    border-bottom: none;
}

/* Footer */
footer {
    color: #666666;
    margin-top: 20px;
    font-size: 0.9rem;
    text-align: center;
}

/* Snowflake Container */
#snowflakes {
    position: fixed; /* Ensure snowflakes are fixed on the screen */
    top: 0;
    left: 0;
    width: 100%; /* Cover the entire screen horizontally */
    height: 100%; /* Cover the entire screen vertically */
    pointer-events: none; /* Prevent interaction with snowflakes */
    z-index: 10; /* Place above other content */
}

/* Snowflake Animation */
@keyframes snow {
    0% { transform: translateY(-10px); opacity: 1; }
    100% { transform: translateY(100vh); opacity: 0; }
}

.snowflake {
    position: absolute; /* Position each snowflake independently */
    top: -10px; /* Start just above the viewport */
    left: calc(var(--i) * 10%); /* Random horizontal placement */
    font-size: 1.5rem;
    color: #aaa;
    opacity: 0.7;
    animation: snow linear infinite;
    animation-duration: calc(5s + var(--i) * 3s); /* Vary speed for natural effect */
}

/* Adjust Animation Timings */
.snowflake:nth-child(1) { --i: 1; }
.snowflake:nth-child(2) { --i: 2; }
.snowflake:nth-child(3) { --i: 3; }
.snowflake:nth-child(4) { --i: 4; }
.snowflake:nth-child(5) { --i: 5; }
.snowflake:nth-child(6) { --i: 6; }
.snowflake:nth-child(7) { --i: 7; }
.snowflake:nth-child(8) { --i: 8; }
.snowflake:nth-child(9) { --i: 9; }
.snowflake:nth-child(10) { --i: 10; }