body {
    font-family: Arial, sans-serif;
    background-color: #111827;
    color: #f3f4f6;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.intro-text,
.list-intro {
    color: #d1d5db;
    text-align: center;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.content-block {
    background-color: #1f2937;
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.content-block p {
    color: #d1d5db;
    margin-bottom: 1rem;
}

.content-block p:last-child {
    margin-bottom: 0;
}

.formula {
    font-family: monospace;
    background-color: #2d3748;
    padding: 0.5rem;
    border-radius: 0.25rem;
    margin-bottom: 0.5rem;
    text-align: center;
}

ul {
    list-style-type: disc;
    margin-left: 1.5rem;
    color: #d1d5db;
    margin-bottom: 1rem;
}

ul li {
    margin-bottom: 0.5rem;
}

strong {
    color: #fbbf24;
}

.table-container {
    background-color: #1f2937;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin-bottom: 2rem;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background-color: #374151;
}

th {
    padding: 0.75rem 1rem;
    text-align: left;
    color: #fbbf24;
    font-weight: 600;
}

td {
    padding: 1rem;
    border-top: 1px solid #374151;
    color: #d1d5db;
}

tbody tr:hover {
    background-color: #2d3748;
}

.mutation-name {
    color: #22d3ee;
    font-weight: 500;
}

.mutation-image {
    width: 40px;
    height: 40px;
    object-fit: contain;
    background-color: #4c1d95;
    border: 2px solid #7c3aed;
    border-radius: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}