.theme-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
}

.theme-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0;
    right: 0; bottom: 0;
    background-color: #ccc;
    transition: 0.4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "🌞";
    height: 26px;
    width: 26px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    border-radius: 50%;
    transition: 0.4s;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

input:checked + .slider {
    background-color: #555;
}

input:checked + .slider:before {
    transform: translateX(30px);
    content: "🌙";
}

header {
    position: relative;
    background-color: var(--primary);
    color: white;
    text-align: center;
    padding: 1.5rem 1rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
header h1 {
    color: white;
    font-size: 2rem;
    letter-spacing: 1px;
}
section {
    margin-bottom: 2rem;
    padding: 1rem;
    margin: 2rem auto;
    max-width: 1000px;
    background-color: var(--light);
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
    transition: background-color 0.3s;
}

.text {
    max-width: 800px;
    margin: 20px auto;
    background-color: var(--accent);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    font-size: 1.1em;
    line-height: 1.6;
    color: var(--text);
}