/* ================= FOOTER ================= */

.psh-footer {
  background: #000000;
  color: #ffffff;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
  padding: 35px 40px;
  margin-top: 40px;
  font-size: 14px;
}

.psh-footer h3 {
  color: #ffffff;
  border-bottom: 2px solid #9ccc65;
  padding-bottom: 8px;
  margin-bottom: 12px;
  font-size: 18px;
}

.psh-footer p {
  line-height: 1.6;
  margin: 6px 0;
}

.psh-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.psh-footer ul li {
  margin-bottom: 8px;
}

.psh-footer a {
  color: #dff5d8;
  text-decoration: none;
}

.psh-footer a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.psh-footer-bottom {
  background: #0c1017;
  color: #ffffff;
  text-align: center;
  padding: 12px;
  font-size: 13px;
}

/* ================= HEADER ================= */

.psh-custom-header {
  background: #ffffff;
  border-bottom: 4px solid #000000;
  margin-bottom: 25px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.psh-header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 35px;
  background: linear-gradient(90deg, #ffffff 0%, #f3faf4 100%);
}

.psh-logo-link {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 12px;
}

.psh-leaf {
  background: #000000;
  color: #48bf53;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 25px;
}

.psh-title {
  font-size: 32px;
  font-weight: 700;
  color: #48bf53;
  letter-spacing: 0.5px;
  font-family: Georgia, "Times New Roman", serif;
}

.psh-user-links a {
  color: #000000;
  text-decoration: none;
  margin-left: 15px;
  font-size: 14px;
  font-weight: 600;
}

.psh-user-links a:hover {
  color: #6b8e23;
  text-decoration: underline;
}

/* ================= NAV MENU ================= */

.psh-main-menu {
  background: #000000;
  padding: 0 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

/* ONLY TOP MENU LINKS */
.psh-main-menu > a,
.psh-main-menu > .psh-dropdown > .dropbtn {
  color: #ffffff;
  text-decoration: none;
  padding: 13px 16px;
  font-size: 15px;
  font-weight: 600;
  display: block;
}

/* HOVER FIX */
.psh-main-menu > a:hover,
.psh-main-menu > .psh-dropdown > .dropbtn:hover {
  background: #333333;
}

/* ================= DROPDOWN ================= */

.psh-dropdown {
  position: relative;
  display: inline-block;
}

.psh-dropdown .dropbtn {
  color: #ffffff;
  padding: 13px 16px;
  display: inline-block;
}

.psh-dropdown-content {
  display: none;
  position: absolute;
  background-color: #ffffff;
  min-width: 200px;
  box-shadow: 0px 4px 10px rgba(0,0,0,0.15);
  z-index: 999;
}

.psh-dropdown-content a {
  color: #000000;
  padding: 10px 14px;
  text-decoration: none;
  display: block;
}

.psh-dropdown-content a:hover {
  background-color: #f1f1f1;
}

.psh-dropdown:hover .psh-dropdown-content {
  display: block;
}

/* ================= MOBILE ================= */

@media screen and (max-width: 768px) {
  .psh-header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 18px;
  }

  .psh-title {
    font-size: 24px;
  }

  .psh-user-links a {
    margin-left: 0;
    margin-right: 12px;
  }

  .psh-main-menu {
    flex-direction: column;
    padding: 0;
  }

  .psh-main-menu > a,
  .psh-main-menu > .psh-dropdown > .dropbtn {
    padding: 12px 18px;
    border-top: 1px solid rgba(255,255,255,0.15);
  }

  .psh-footer {
    grid-template-columns: 1fr;
    padding: 25px;
  }
}

/* ================= PAGE COLOR ================= */
body,
.pkp_structure_page {
  background: #000000 !important;
}

############ISSN#################
.psh-title-block {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.psh-issn {
  font-size: 12px;
  color: #666;
  margin-top: 2px;
}

##################
<style>
/* Hide unwanted Bootstrap 3 grey title/search bar */
.pkp_structure_head .pkp_site_name_wrapper,
.pkp_structure_head .pkp_navigation_user_wrapper,
.pkp_structure_head .pkp_navigation_primary_wrapper,
.pkp_structure_head .pkp_head_wrapper > .navbar,
.pkp_structure_head .navbar.navbar-default,
.pkp_structure_head .navbar-form,
.pkp_structure_head .navbar-header,
.pkp_structure_head .navbar-collapse,
.pkp_structure_head .container-fluid {
  display: none !important;
  visibility: hidden !important;
  height: 0 !important;
  min-height: 0 !important;
  padding: 0 !important;
  margin: 0 !important;
  overflow: hidden !important;
}

/* Keep your custom header visible */
.psh-custom-header,
.psh-custom-header .psh-header-inner,
.psh-custom-header .psh-main-menu {
  display: block !important;
  visibility: visible !important;
  height: auto !important;
  min-height: auto !important;
  overflow: visible !important;
}

/* Keep your custom menu layout */
.psh-custom-header .psh-main-menu {
  display: flex !important;
  justify-content: center !important;
  flex-wrap: wrap !important;
}

/* Remove extra spacing caused by Bootstrap theme */
.pkp_structure_head {
  margin: 0 !important;
  padding: 0 !important;
  background: #0f172a !important;
}

/* Prevent hidden Bootstrap area from leaving blank space */
.pkp_head_wrapper {
  margin: 0 !important;
  padding: 0 !important;
}
</style>