.editorial_team_content h2,
.contact_content h2,
.page_content h2 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  font-size: 1.285rem;
  line-height: 1.6;
}

.editorial_team_content h2:first-child,
.contact_content h2:first-child,
.page_content h2:first-child {
  margin-top: 0;
}

.editorial_team_content p,
.contact_content p,
.page_content p {
  margin: 0.5rem 0 1rem;
  line-height: 1.7;
}

.editorial_team_content strong,
.contact_content strong,
.page_content strong {
  font-weight: 700;
}

.pkp_site_nav_menu.is_open {
  display: block;
}

.page_search input[type="search"] {
  width: 100%;
  max-width: 520px;
  min-height: 42px;
  border: 1px solid #bfd0d8;
  border-radius: 6px;
  padding: 0.6rem 0.75rem;
}

.pkp_search {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.pkp_search__icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.search-input-wrap {
  position: relative;
  width: 100%;
  max-width: 520px;
}

.search-input-wrap .pkp_search__icon {
  position: absolute;
  left: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  color: #5a7a8f;
  pointer-events: none;
}

.search-input-wrap input[type="search"] {
  width: 100%;
  padding-left: 2.35rem;
}

.search-submit {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 42px;
  padding: 0.45rem 1.1rem;
  border: 1px solid #006798;
  background: #006798;
  color: #fff;
  border-radius: 6px;
  cursor: pointer;
}

.search-submit .pkp_search__icon {
  width: 0.95rem;
  height: 0.95rem;
}

@media (max-width: 991px) {
  .pkp_site_nav_menu {
    display: none;
  }
}

.cmp_notification {
  border: 1px solid #bfd0d8;
  border-radius: 6px;
  padding: 0.75rem 1rem;
  margin: 0 0 1.25rem;
}

.cmp_notification.error {
  border-color: #d9534f;
  background: #fdf2f2;
}

.cmp_notification.notice {
  border-color: #8eb6c9;
  background: #f4f9fc;
}

.cmp_notification ul {
  margin: 0;
  padding-left: 1.25rem;
}

.cmp_form .fields > div {
  margin-bottom: 1rem;
}

.cmp_form label {
  display: block;
}

.cmp_form .label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.cmp_form input[type="text"],
.cmp_form input[type="email"],
.cmp_form input[type="password"],
.cmp_form select,
.cmp_form textarea {
  width: 100%;
  max-width: 520px;
  min-height: 42px;
  border: 1px solid #bfd0d8;
  border-radius: 4px;
  padding: 0.5rem 0.65rem;
  box-sizing: border-box;
}

.cmp_form textarea {
  min-height: 120px;
}

.cmp_form .password a {
  display: inline-block;
  margin-top: 0.35rem;
  font-size: 0.9rem;
}

.cmp_form .buttons {
  margin-top: 1.25rem;
}

.cmp_form .submit {
  min-height: 42px;
  padding: 0.45rem 1.25rem;
  border: 1px solid #006798;
  background: #006798;
  color: #fff;
  border-radius: 4px;
  cursor: pointer;
}

.cmp_form .buttons a,
.cmp_form .buttons .register {
  margin-left: 1rem;
}

.pkp_logout_form {
  display: inline;
  margin: 0;
}

.pkp_link_button {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font: inherit;
  padding: 0;
  text-decoration: underline;
}

/* Physics-themed header */
.journal-physics-header {
  position: relative;
  overflow: visible;
  background: linear-gradient(135deg, #061a3a 0%, #0a2d5c 50%, #1a5294 100%) !important;
  border-bottom: 1px solid rgba(120, 200, 255, 0.2);
}

.journal-physics-header__banner {
  position: relative;
  overflow: hidden;
  padding: 0.5rem 0.714rem !important;
}

.journal-physics-header__decor {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.journal-physics-header__banner .pkp_site_name,
.journal-physics-header__banner .pkp_site_nav_toggle {
  position: relative;
  z-index: 1;
}

.journal-physics-header__waves {
  position: absolute;
  right: 8%;
  top: 50%;
  width: min(320px, 45vw);
  height: auto;
  transform: translateY(-50%);
  opacity: 0.75;
}

.journal-physics-header__atom {
  position: absolute;
  right: 3%;
  top: 50%;
  width: 72px;
  height: 72px;
  transform: translateY(-50%);
  opacity: 0.55;
  animation: physics-orbit-spin 28s linear infinite;
}

.journal-physics-header__formula {
  position: absolute;
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
  color: rgba(255, 255, 255, 0.1);
  white-space: nowrap;
  user-select: none;
}

.journal-physics-header__formula--1 {
  top: 12%;
  right: 28%;
  font-size: 1rem;
}

.journal-physics-header__formula--2 {
  bottom: 14%;
  right: 38%;
  font-size: 0.9rem;
}

.journal-physics-header__formula--3 {
  top: 18%;
  right: 52%;
  font-size: 0.95rem;
}

.journal-physics-header__formula--4 {
  bottom: 18%;
  right: 18%;
  font-size: 0.85rem;
}

.journal-physics-header__formula--5 {
  top: 50%;
  right: 62%;
  transform: translateY(-50%);
  font-size: 0.88rem;
}

@keyframes physics-orbit-spin {
  from { transform: translateY(-50%) rotate(0deg); }
  to { transform: translateY(-50%) rotate(360deg); }
}

.journal-physics-header .pkp_site_name {
  position: static;
  left: auto;
  right: auto;
  width: auto;
  padding: 0;
  text-align: left;
}

.journal-site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: inherit;
  max-width: 100%;
}

.journal-site-brand:hover,
.journal-site-brand:focus {
  text-decoration: none;
}

.journal-site-brand__logo {
  display: block;
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.journal-site-brand__text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.journal-site-brand__title {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.2;
  color: #ffffff;
}

.journal-site-brand__issn {
  font-family: Arial, sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: #c8dff5;
}

.journal-physics-header .pkp_head_wrapper {
  position: relative;
  z-index: 2;
}

.journal-physics-header .pkp_site_nav_menu {
  overflow: visible;
  background: rgba(6, 26, 58, 0.92) !important;
  border-top: 1px solid rgba(120, 200, 255, 0.15);
}

.journal-physics-header .pkp_navigation_primary_wrapper {
  position: relative;
  z-index: 2;
}

.journal-physics-header .pkp_nav_list > li {
  position: relative;
  z-index: 1;
}

.journal-physics-header .pkp_nav_list > li:hover {
  z-index: 50;
}

.journal-physics-header .pkp_nav_list ul {
  z-index: 10001;
}

@media (min-width: 992px) {
  .journal-physics-header .pkp_navigation_user_wrapper {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1160px;
    padding-left: 0.714rem;
    padding-right: 1.43rem;
    margin-top: 0;
    border-top: none;
    text-align: right;
    z-index: 1000;
  }

  .journal-physics-header .pkp_navigation_user {
    text-align: right;
    white-space: nowrap;
  }

  .journal-physics-header .pkp_navigation_user > li {
    display: inline-block;
  }

  .journal-site-brand__logo {
    width: 72px;
    height: 72px;
  }

  .journal-site-brand__title {
    font-size: 1.55rem;
  }

  .journal-physics-header__atom {
    width: 88px;
    height: 88px;
  }
}

@media (max-width: 991px) {
  .journal-physics-header .pkp_site_name_wrapper {
    height: auto;
    min-height: 3.6rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }

  .journal-physics-header .pkp_site_nav_toggle {
    position: relative;
    top: auto;
    left: auto;
    flex-shrink: 0;
    align-self: center;
  }

  .journal-physics-header .pkp_site_name {
    position: relative;
    left: auto;
    right: auto;
    flex: 1;
    min-width: 0;
    overflow: visible;
    white-space: normal;
    text-overflow: unset;
    padding-left: 0;
  }

  .journal-physics-header__banner {
    overflow: visible;
  }

  .journal-physics-header .pkp_site_nav_menu.is_open {
    display: block;
    position: relative;
    z-index: 100;
  }

  .journal-physics-header .pkp_nav_list ul {
    position: static;
    left: auto;
    width: auto;
    box-shadow: none;
    background: transparent;
    padding-left: 1rem;
  }

  .journal-physics-header .pkp_nav_list ul a {
    color: #fff;
    border-left: none;
    padding-left: 0.5rem;
  }

  .journal-site-brand {
    align-items: center;
  }

  .journal-site-brand__logo {
    display: block;
    width: 52px;
    height: 52px;
    flex-shrink: 0;
  }

  .journal-site-brand__title {
    font-size: 1.05rem;
  }

  .journal-site-brand__issn {
    font-size: 0.75rem;
  }

  .journal-physics-header__formula--2,
  .journal-physics-header__formula--4,
  .journal-physics-header__formula--5 {
    display: none;
  }

  .journal-physics-header__atom {
    width: 48px;
    height: 48px;
    right: 2%;
    opacity: 0.4;
  }

  .journal-physics-header__waves {
    width: 160px;
    right: 12%;
    opacity: 0.45;
  }
}
