/* =========================================================
   OJS Custom CSS - Computers and Education Letters
   Clean Flat Modern Style
   ========================================================= */

/* ---------- Base ---------- */
:root {
  --primary: #1f4fa3;
  --secondary: #6c63ff;
  --accent: #00a6d6;
  --text: #1f2937;
  --muted: #5f6b7a;
  --bg: #f4f7fb;
  --white: #ffffff;
  --border: #d9e2ec;
  --light-blue: #eef4ff;
  --light-purple: #f4f1ff;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg) !important;
  color: var(--text) !important;
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1.75;
  font-size: 15px;
}

/* ---------- Links ---------- */
a {
  color: var(--primary) !important;
  text-decoration: none;
  transition: all 0.25s ease;
}

a:hover,
a:focus {
  color: var(--secondary) !important;
  text-decoration: underline;
}

/* ---------- Header ---------- */
.pkp_site_name_wrapper,
.pkp_navigation_primary_wrapper,
.pkp_structure_head {
  background: #f3f3f3 !important;
  border-bottom: 1px solid var(--border) !important;
  box-shadow: none !important;
}

.pkp_site_name {
  padding-top: 14px !important;
  padding-bottom: 10px !important;
}

.pkp_site_name a {
  font-size: 26px !important;
  font-weight: 800 !important;
  color: var(--primary) !important;
  letter-spacing: 0.2px;
}

.pkp_site_name img {
  max-height: 78px !important;
  width: auto !important;
  vertical-align: middle !important;
}

/* ---------- Top User Nav ---------- */
.pkp_navigation_user_wrapper,
.pkp_navigation_user {
  background: transparent !important;
}

.pkp_navigation_user > li > a {
  color: var(--text) !important;
  font-weight: 500 !important;
}

.pkp_navigation_user > li > a:hover {
  color: var(--secondary) !important;
}

/* ---------- Main Menu ---------- */
.pkp_navigation_primary > li > a {
  color: #222 !important;
  font-size: 15px !important;
  font-weight: 500 !important;
  padding: 12px 16px !important;
  border-radius: 6px !important;
  background: transparent !important;
}

.pkp_navigation_primary > li > a:hover,
.pkp_navigation_primary > li > a:focus,
.pkp_navigation_primary > li.current > a {
  background: var(--light-blue) !important;
  color: var(--primary) !important;
  text-decoration: none !important;
}

/* ---------- Dropdown ---------- */
.pkp_navigation_primary .dropdown-menu,
.pkp_nav_list ul {
  background: var(--white) !important;
  border: 1px solid var(--border) !important;
  border-radius: 8px !important;
  box-shadow: none !important;
}

.pkp_navigation_primary .dropdown-menu a,
.pkp_nav_list ul a {
  color: var(--text) !important;
  padding: 10px 14px !important;
}

.pkp_navigation_primary .dropdown-menu a:hover,
.pkp_nav_list ul a:hover {
  background: var(--light-purple) !important;
  color: var(--secondary) !important;
}

/* ---------- Search ---------- */
.pkp_head_wrapper .search_prompt,
.pkp_search,
.pkp_search.is_open .search_prompt {
  color: var(--text) !important;
  font-weight: 500 !important;
}

.pkp_search:hover,
.search_prompt:hover {
  color: var(--secondary) !important;
}

/* ---------- Layout ---------- */
.pkp_structure_content {
  background: transparent !important;
  padding-top: 20px !important;
  padding-bottom: 30px !important;
}

.pkp_structure_main {
  background: var(--white) !important;
  border: 1px solid var(--border) !important;
  border-right: none !important;
  padding: 28px !important;
  min-height: 400px;
}

.pkp_structure_sidebar {
  background: #fafafa !important;
  border: 1px solid var(--border) !important;
  padding: 28px 24px !important;
}

/* ---------- Content Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  color: #222 !important;
  font-weight: 700 !important;
  line-height: 1.4;
  margin-top: 0;
}

.page_index_journal h2,
.current_issue h2,
.obj_issue_summary h2,
.cmp_breadcrumbs + h1 {
  font-size: 20px !important;
  margin-bottom: 18px !important;
  position: relative;
}

.page_index_journal h2::after,
.current_issue h2::after,
.obj_issue_summary h2::after,
.cmp_breadcrumbs + h1::after {
  content: "";
  display: block;
  width: 58px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--secondary));
  margin-top: 8px;
  border-radius: 3px;
}

p {
  color: var(--text) !important;
  margin-bottom: 18px !important;
  font-size: 15px !important;
}

strong {
  color: #111827 !important;
}

/* ---------- Main Article/Content Blocks ---------- */
.page_index_journal .journal-description,
.page_index_journal .additional_content,
.current_issue,
.obj_issue_summary,
.obj_article_summary,
.pkp_block,
.block {
  background: var(--white) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}

/* ---------- Sidebar ---------- */
.pkp_structure_sidebar .block_title,
.pkp_structure_sidebar h2,
.pkp_structure_sidebar h3,
.pkp_block .title,
.block .title {
  font-size: 17px !important;
  color: #5e6470 !important;
  font-weight: 700 !important;
  margin-bottom: 16px !important;
}

.pkp_structure_sidebar p,
.pkp_structure_sidebar li,
.pkp_structure_sidebar div {
  color: var(--text) !important;
  font-size: 15px !important;
  line-height: 1.6 !important;
}

.pkp_structure_sidebar ul {
  margin: 0;
  padding-left: 18px;
}

.pkp_structure_sidebar li {
  margin-bottom: 8px !important;
}

/* ---------- Current Issue Image ---------- */
.current_issue .cover img,
.obj_issue_summary .cover img,
.current_issue img,
.issue_cover {
  max-width: 180px !important;
  width: 100% !important;
  height: auto !important;
  display: block !important;
  margin-top: 10px !important;
  border: 1px solid var(--border) !important;
  padding: 4px !important;
  background: #fff !important;
  border-radius: 6px !important;
  box-shadow: none !important;
}

/* ---------- Sidebar / Indexing / Logo Images Normal Size ---------- */
.pkp_structure_sidebar img,
.pkp_block img,
.block img,
.pkp_block .content img,
.block .content img {
  max-width: 160px !important;
  width: auto !important;
  height: auto !important;
  display: block !important;
  margin: 12px auto !important;
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  background: transparent !important;
  padding: 0 !important;
}

/* ---------- Buttons ---------- */
button,
input[type="submit"],
input[type="button"],
.cmp_button,
.obj_galley_link,
a.read_more {
  background: linear-gradient(90deg, var(--primary), var(--secondary)) !important;
  color: #fff !important;
  border: none !important;
  border-radius: 6px !important;
  padding: 10px 16px !important;
  font-weight: 600 !important;
  box-shadow: none !important;
}

button:hover,
input[type="submit"]:hover,
input[type="button"]:hover,
.cmp_button:hover,
.obj_galley_link:hover,
a.read_more:hover {
  background: linear-gradient(90deg, var(--secondary), var(--accent)) !important;
  color: #fff !important;
  text-decoration: none !important;
}

/* ---------- Forms ---------- */
input[type="text"],
input[type="password"],
input[type="email"],
select,
textarea {
  width: 100%;
  border: 1px solid var(--border) !important;
  border-radius: 6px !important;
  padding: 10px 12px !important;
  background: #fff !important;
  color: var(--text) !important;
  box-shadow: none !important;
}

input:focus,
select:focus,
textarea:focus {
  outline: none !important;
  border-color: var(--accent) !important;
  box-shadow: none !important;
}

/* ---------- Issue / Article Lists ---------- */
.obj_article_summary,
.cmp_article_list > li,
.articles > li {
  border: 1px solid var(--border) !important;
  padding: 18px !important;
  margin-bottom: 16px !important;
  background: #fff !important;
  border-radius: 8px !important;
  transition: all 0.25s ease;
}

.obj_article_summary:hover,
.cmp_article_list > li:hover,
.articles > li:hover {
  border-color: #b8c7dc !important;
  background: #fcfdff !important;
}

/* ---------- Tables ---------- */
table {
  width: 100% !important;
  border-collapse: collapse !important;
  background: #fff !important;
}

table th {
  background: var(--light-blue) !important;
  color: var(--primary) !important;
  font-weight: 700 !important;
}

table th,
table td {
  border: 1px solid var(--border) !important;
  padding: 10px 12px !important;
}

/* ---------- Notifications ---------- */
.cmp_notification,
.pkp_form_error,
.pkp_form_success {
  border-radius: 6px !important;
  padding: 12px 14px !important;
  border: 1px solid var(--border) !important;
  box-shadow: none !important;
}

/* ---------- Footer ---------- */
.pkp_structure_footer_wrapper {
  background: #f3f3f3 !important;
  border-top: 1px solid var(--border) !important;
  color: var(--muted) !important;
  box-shadow: none !important;
}

.pkp_footer_content,
.pkp_brand_footer {
  color: var(--muted) !important;
  font-size: 14px !important;
}

/* ---------- Mobile ---------- */
@media (max-width: 991px) {
  .pkp_structure_main,
  .pkp_structure_sidebar {
    border-right: 1px solid var(--border) !important;
    margin-bottom: 20px !important;
  }
}

@media (max-width: 768px) {
  .pkp_site_name a {
    font-size: 21px !important;
  }

  .pkp_site_name img {
    max-height: 58px !important;
  }

  .pkp_structure_main,
  .pkp_structure_sidebar {
    padding: 18px !important;
  }

  .pkp_structure_sidebar img,
  .pkp_block img,
  .block img {
    max-width: 120px !important;
  }

  .current_issue .cover img,
  .obj_issue_summary .cover img,
  .current_issue img,
  .issue_cover {
    max-width: 140px !important;
  }
}