/* Sidebar */
.wy-nav-side {
    background: #f3f3f3;
}

.wy-side-nav-search {
    background: #ffffff;
}

.wy-side-nav-search .logo {
    width: 80px;
}

.wy-side-nav-search a::after {
    content: "ESM Atlas";
    display: block;
    font-size: 0.85em;
    font-weight: 600;
    color: #1a1a1a;
    margin-top: 4px;
}

.wy-menu-vertical a {
    color: #1a1a1a;
}

.wy-menu-vertical a:hover {
    color: #1a1a1a;
}

/* Alpha banner — appears above every page */
div.document::before {
    content: "⚠  ALPHA  —  Interfaces may change without notice";
    display: block;
    background: #c0392b;
    color: white;
    text-align: center;
    font-weight: bold;
    padding: 8px;
    letter-spacing: 0.05em;
}