/* Feature matrix: horizontal scroll on small screens */
.matrix-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 1em 0;
}

.matrix-wrapper table.matrix {
    min-width: 900px;
    white-space: nowrap;
}

.matrix-wrapper table.matrix th,
.matrix-wrapper table.matrix td {
    text-align: center;
    padding: 0.4em 0.6em;
    font-size: 0.9em;
}

.matrix-wrapper table.matrix th:first-child,
.matrix-wrapper table.matrix td:first-child {
    text-align: left;
    position: sticky;
    left: 0;
    background: var(--base-background-color, #fff);
    z-index: 1;
}

/* Cover page styling */
section.cover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: #fff;
}

section.cover .cover-main > p:last-child a {
    border-radius: 2rem;
    padding: 0.6em 2em;
}

section.cover a:first-child {
    border-color: #fff;
    color: #fff;
}

section.cover a:first-child:hover {
    background: #fff;
    color: #764ba2;
}

/* Sidebar width */
:root {
    --sidebar-width: 260px;
}

/* Alert plugin overrides for consistency */
.alert.callout {
    border-radius: 4px;
}