/* ================================
   OJS Default Theme – Dark Blue Variant
   Compatible with Default OJS Theme
   ================================ */

:root {
  --font-sans: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-serif: Georgia, 'Times New Roman', serif;

  --color-bg: #f5f8fa;
  --color-primary: #102756;  /* Deep blue */
  --color-secondary: #00509e; /* Vivid dark blue */
  --color-accent: #dce6f2;   /* Light blue-gray */
  --color-text: #1e1e1e;
  --color-muted: #666;

  --border-radius: 5px;
  --transition: all 0.3s ease;
}

/* === Body === */
body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  margin: 0;
  padding: 0;
  text-align: justify;
}

/* === Header === */
.header, .pkp_site_name, .pkp_navigation_primary {
  background-color: var(--color-primary);
  color: #fff;
  padding: 15px 20px;
  border-bottom: 3px solid var(--color-secondary);
}

.pkp_site_name a, .pkp_navigation_primary a {
  color: #fff !important;
  text-decoration: none;
  font-weight: 600;
}

.pkp_navigation_primary a:hover {
  text-decoration: underline;
}

/* === Navigation Menu === */
.pkp_navigation_primary ul {
  list-style: none;
  display: flex;
  gap: 20px;
  padding: 0;
  margin: 0;
}

.pkp_navigation_primary li {
  position: relative;
}

/* === Dropdown Menus === */
.pkp_navigation_primary li ul {
  background-color: var(--color-secondary);
  border: 1px solid var(--color-accent);
  border-radius: var(--border-radius);
  padding: 10px 0;
  position: absolute;
  display: none;
  z-index: 999;
  min-width: 180px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.pkp_navigation_primary li:hover > ul {
  display: block;
}

.pkp_navigation_primary li ul li {
  display: block;
}

.pkp_navigation_primary li ul a {
  display: block;
  padding: 10px 15px;
  color: var(--color-secondary);
  background-color: var(--color-accent);
  text-decoration: none;
  transition: var(--transition);
}

.pkp_navigation_primary li ul a:hover {
  background-color: var(--color-primary);
  color: #fff;
}

/* === Sidebar === */
.pkp_block {
  background-color: var(--color-accent);
  padding: 15px;
  margin-bottom: 20px;
  border-radius: var(--border-radius);
}

.pkp_block h2 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--color-secondary);
}

/* === Article Title === */
.obj_article_details h1,
.page_title {
  font-family: var(--font-serif);
  font-size: 2em;
  margin-bottom: 0.5em;
  color: var(--color-secondary);
  text-align: justify;
}

/* === Article Body === */
.obj_article_details, .main_entry, .main_content {
  text-align: justify;
}

/* === Buttons === */
.pkp_button,
.submit,
.button,
input[type="submit"] {
  background-color: var(--color-secondary);
  color: #fff;
  padding: 10px 16px;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
}

.pkp_button:hover,
.submit:hover,
.button:hover {
  background-color: #002b5c;
}

/* === Footer === */
#footer {
  background-color: var(--color-primary);
  color: #ccc;
  padding: 30px 20px;
  text-align: center;
  font-size: 0.9em;
  border-top: 1px solid #444;
}

#footer a {
  color: #fff;
  text-decoration: none;
}

#footer a:hover {
  text-decoration: underline;
}

/* === Tables === */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  text-align: left;
}

th, td {
  border: 1px solid #ccc;
  padding: 10px;
}

/* === Responsive Layout === */
@media (max-width: 768px) {
  .pkp_navigation_primary ul {
    flex-direction: column;
    gap: 10px;
  }

  .obj_article_details h1 {
    font-size: 1.6em;
  }

  .pkp_block {
    padding: 10px;
  }
}
.journal-navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #003366;
  padding: 10px 20px;
  font-family: sans-serif;
}

.journal-logo a {
  color: #ffffff;
  font-size: 20px;
  text-decoration: none;
  font-weight: bold;
}

.journal-menu {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
}

.journal-menu li a {
  color: #ffffff;
  text-decoration: none;
  font-size: 16px;
  position: relative;
}

.journal-menu li a::after {
  content: "";
  display: block;
  width: 0;
  height: 2px;
  background: #ffffff;
  transition: width 0.3s;
  position: absolute;
  bottom: -3px;
  left: 0;
}

.journal-menu li a:hover::after {
  width: 100%;
}