/* 🌌 Celestial Theme */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap');

body {
    background: radial-gradient(circle, #2a0e61, #10002b); /* Cosmic gradient */
    color: #ffffff; /* Bright white for visibility */
    font-family: 'Poppins', sans-serif;
    text-align: center;
    padding: 20px;
    margin: 0;
}

/* Centering Elements */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

/* Header Styling */
h2 {
    font-size: 36px;
    color: #ffffff;
    text-shadow: 2px 2px 10px rgba(255, 255, 255, 1);
    margin-bottom: 20px;
}

/* Lesson Text */
p {
    font-size: 20px;
    color: #ffffff;
    text-shadow: 1px 1px 5px rgba(255, 255, 255, 0.9);
}

/* Lesson List */
ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

li {
    padding: 15px;
    margin: 10px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    width: 60%;
    text-align: center;
    transition: transform 0.3s ease-in-out;
}

li:hover {
    transform: scale(1.05);
}

/* Button Styling */
a, button {
    display: inline-block;
    background: linear-gradient(45deg, #d4af37, #ffdd57);
    color: #10002b;
    font-size: 18px;
    padding: 14px 24px;
    text-decoration: none;
    border-radius: 10px;
    font-weight: bold;
    transition: all 0.3s ease-in-out;
    border: none;
    cursor: pointer;
    box-shadow: 0px 0px 15px rgba(255, 223, 0, 0.6);
}

a:hover, button:hover {
    background: linear-gradient(45deg, #ffdd57, #d4af37);
    transform: scale(1.1);
}

/* Center Buttons */
.button-container {
    display: flex;
    justify-content: center;
    gap: 15px;
}