.AppHeader {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(14px);
    background: rgba(248, 249, 251, 0.82);
    border-bottom: 1px solid rgba(16, 37, 66, 0.08);
}

.AppHeader_Bar {
    width: min(100%, var(--ContentAreaMaxWidth));
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.AppHeader_Lead,
.AppHeader_Actions,
.AppHeader_Nav {
    display: flex;
    align-items: center;
    gap: 12px;
}

.AppHeader_Brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.AppHeader_BrandMark {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: linear-gradient(135deg, #245c73, #f3c484);
    color: #fff;
    font-family: 'Ubuntu', sans-serif;
    font-weight: 700;
}

.AppHeader_BrandText {
    color: #102542;
    font-family: 'Ubuntu', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
}

.AppHeader_Link {
    color: var(--MainText2);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 999px;
    font-weight: 600;
}

.AppHeader_Link.is-active,
.AppHeader_Link:hover {
    background: rgba(16, 37, 66, 0.08);
    color: #102542;
}

.AppHeader_MenuButton {
    min-width: 42px;
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.AppHeader_PanelContent {
    display: grid;
    gap: 20px;
    padding: 20px;
}

.AppHeader_PanelBlock {
    display: grid;
    gap: 12px;
}

.AppHeader_PanelBlock--note {
    padding: 18px;
    border-radius: 18px;
    background: rgba(16, 37, 66, 0.06);
}

@media (max-width: 960px) {
    .AppHeader_Nav {
        display: none;
    }
}

@media (max-width: 720px) {
    .AppHeader_Bar {
        padding: 14px 16px;
    }

    .AppHeader_Actions .PagePill {
        display: none;
    }
}