* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    transition: background-color 0.3s ease, color 0.3s ease;
}

#theme-toggle-container {
    text-align: center;
    padding: 10px;
}

#theme-toggle {
    padding: 10px 20px;
    border: none;
    background-color: #007BFF;
    color: white;
    border-radius: 5px;
    cursor: pointer;
    margin-bottom: 20px;
    transition: background-color 0.3s ease;
}

#theme-toggle:hover {
    background-color: #0056b3;
}

#container {
    min-height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
}

#main {
    width: 100%;
    max-width: 800px;
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

#main h1 {
    text-align: center;
    margin-bottom: 30px;
}

p {
    letter-spacing: 1px;
    line-height: 2;
    text-align: center;
}

a {
    color: #007BFF;
    text-decoration: none;
    transition: color 0.3s ease, text-decoration 0.3s ease;
}

a:hover {
    color: #0056b3;
    text-decoration: underline;
}

.visit-btn {
    display: inline-block;
    margin-top: 30px;
    padding: 12px 24px;
    background-color: #28a745;
    color: white;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
    text-align: center;
}

.visit-btn:hover {
    background-color: #218838;
}

#footer {
    width: 100%;
    background-color: #747474;
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    font-size: 0.9rem;
}

/* Dark Mode */
body.dark-mode {
    background-color: #121212;
    color: #e0e0e0;
}

body.dark-mode #main {
    background-color: #1e1e1e;
}

body.dark-mode a {
    color: #90caf9;
}

body.dark-mode a:hover {
    color: #64b5f6;
}

body.dark-mode .visit-btn {
    background-color: #43a047;
}

body.dark-mode .visit-btn:hover {
    background-color: #388e3c;
}

body.dark-mode #footer {
    background-color: #2c2c2c;
}