.topnav {
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    height: 56px;
    padding: 0 16px;
    background: #fff;
    border-bottom: 1px solid #e2e8f0;
    box-shadow: 0 1px 2px rgba(0,0,0,.04);
}

.topnav-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.topnav-link {
    padding: 8px 10px;
    border-radius: 8px;
    text-decoration: none;
    color: #0f172a;
    border: 1px solid transparent;
}

    .topnav-link.active {
        background: #f8fafc;
        border-color: #dbe3ea;
        font-weight: 600;
    }

    .topnav-link:hover {
        background: #eff6ff;
        border-color: #cfd9e2;
    }

.topnav-right {
    display: flex;
    align-items: center;
}

.topnav-logout {
    appearance: none;
    cursor: pointer;
    padding: .4rem .7rem;
    border-radius: 8px;
    border: 1px solid #dbe3ea;
    background: #fff;
    color: #0f172a;
    box-shadow: 0 1px 2px rgba(0,0,0,.05);
}

    .topnav-logout:hover {
        background: #f8fafc;
        border-color: #cfd9e2;
    }

    .topnav-logout:active {
        transform: translateY(1px);
    }