body {
    font-family: 'Inter', sans-serif;
    max-width: 900px;
    margin: auto;
    background: #f6f8fa;
    padding: 20px;
    color: #333;
    line-height: 1.6;
}

h1 {
    font-size: 2rem;
    margin-bottom: 0.5em;
}

h2 {
    font-size: 1.4rem;
    margin-top: 1.5em;
}

h3 {
    margin-top: 1.2em;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

th, td {
    padding: 10px;
    border: 1px solid #ddd;
    transition: background-color 0.3s;
}

th {
    background: #f1f1f1;
}

tr:nth-child(even) {
    background: #fafafa;
}

.ok {
    color: #2e7d32;
    font-weight: 600;
}

.no {
    color: #c62828;
    font-weight: 600;
}

td.ok:hover {
    background: #e6f4ea;
}

td.no:hover {
    background: #fdecea;
}

details {
    background: #fff;
    padding: 12px 15px;
    border-radius: 6px;
    margin-top: 12px;
    border: 1px solid #ddd;
}

summary {
    cursor: pointer;
    font-weight: 600;
}

summary::marker {
    color: #0077ff;
}

.good {
    color: #2e7d32;
}

.bad {
    color: #c62828;
}

.top-nav {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 8px 12px;
    margin-bottom: 20px;
    display: flex;
    gap: 15px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.top-nav a {
    text-decoration: none;
    color: #0077ff;
    font-weight: 500;
}

.top-nav a:hover {
    text-decoration: underline;
}