:root {
    --bg-color: #f7f9fc;
    --text-color: #222;
    --box-color: #ffffff;
    --accent-color: #2b7a78;
    --footer-color: #888;
    --button-bg: #e0e0e0;
    --button-color: #333;
}

.dark {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --box-color: #1e1e1e;
    --accent-color: #5fcbb5;
    --footer-color: #aaa;
    --button-bg: #2c2c2c;
    --button-color: #ddd;
}

body {
    font-family: system-ui, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 2rem;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 700px;
    margin: auto;
    background: var(--box-color);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: background-color 0.3s, box-shadow 0.3s;
}

h1 {
    color: var(--accent-color);
    margin-top: 0;
}

h2 {
    margin-top: 2rem;
    color: var(--accent-color);
}

p {
    font-size: 1.1rem;
    line-height: 1.6;
}

a {
    color: var(--accent-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

footer {
    margin-top: 2rem;
    font-size: 0.9rem;
    color: var(--footer-color);
    text-align: center;
}

#toggle-theme {
    float: right;
    margin-bottom: 1rem;
    background-color: var(--button-bg);
    color: var(--button-color);
    border: none;
    padding: 0.5rem 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
}

#toggle-theme:hover {
    background-color: var(--accent-color);
    color: white;
    opacity: 0.9;
}

/* Table styling */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    margin-bottom: 1rem;
}

th, td {
    border: 1px solid var(--button-bg);
    padding: 0.5rem 1rem;
    text-align: left;
}

th {
    background-color: var(--accent-color);
    color: white;
}

tr:nth-child(even) {
    background-color: rgba(0, 0, 0, 0.03);
}

.dark tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Code and pre styling */
pre {
    background-color: #f0f0f0;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 0.95rem;
}

.dark pre {
    background-color: #2c2c2c;
}

code {
    font-family: monospace;
    color: var(--accent-color);
}

/* Responsive design */
@media (max-width: 600px) {
    body {
        padding: 1rem;
    }

    .container {
        padding: 1.5rem;
    }

    table, th, td {
        font-size: 0.9rem;
    }

    #toggle-theme {
        padding: 0.4rem;
    }
}