/* === Square navbar buttons (Login / Logout) === */
.nav-square-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    height: 38px;
    min-width: 38px;
    padding: 0 14px;

    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;

    border-radius: 8px;
    border: 1px solid transparent;

    background: transparent;
    color: #ffffff;

    transition: all 0.2s ease;
    cursor: pointer;
    white-space: nowrap;
}

/* Login button */
.nav-square-login {
    border-color: rgba(255, 255, 255, 0.5);
}

.nav-square-login:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

/* Logout button */
.nav-square-logout {
    background: rgba(220, 53, 69, 0.15);
    border-color: rgba(220, 53, 69, 0.6);
    color: #dc3545;
}

.nav-square-logout:hover {
    background: #dc3545;
    color: #ffffff;
}

/* Active state (optional) */
.nav-square-btn.active {
    background: rgba(255, 255, 255, 0.25);
    border-color: #ffffff;
}