.site-header {
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto 32px;
    padding: 18px 20px;
    background: #eef0f3;
    border: 1px solid #dfe3e8;
    border-radius: 0 0 10px 10px;
    font: 16px/1.5 system-ui, sans-serif;
    text-align: left;
}
.site-header .brand-group, .site-header .nav-actions, .site-header .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.site-header a { text-decoration: none; }
.site-header .brand { color: #111827; font-weight: 800; }
.site-header .brand img { width: 34px; height: 34px; border-radius: 6px; }
.site-header .stats-link {
    padding: 8px 13px;
    border-radius: 8px;
    background: linear-gradient(120deg, #059669, #0d9488 55%, #0891b2);
    color: white;
    font-size: .86rem;
    font-weight: 800;
}
.site-header .previous-stats-link {
    background: #dfe3e8;
    color: #374151;
    border: 1px solid #cbd1d9;
}
.site-header .previous-stats-link:hover {
    background: #d1d7df;
    color: #111827;
}
.site-header .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    border: 1px solid #dbe3ee;
    border-radius: 8px;
    background: white;
    color: #111827;
    font-weight: 700;
}
.site-header svg { width: 18px; height: 18px; }
.site-header a:hover { text-decoration: underline; }
@media (max-width: 760px) {
    .site-header { align-items: flex-start; flex-direction: column; }
}