/************************************************
 * QUANTUM PULSE (QP-AIDSE)
 * PREMIUM INTERNATIONAL DESIGN
 * OJS 3.4 - MANUSCRIPT THEME
 ************************************************/

/****************************************
 * 1. GOOGLE FONTS
 ****************************************/
@import url('https://fonts.googleapis.com/css2?family=Merriweather:wght@600;700&family=Source+Serif+4:wght@400;500;600&family=Inter:wght@500;600&display=swap');

/****************************************
 * 2. COLOR SYSTEM
 ****************************************/
:root {
  --qp-navy: #0b1e3f;
  --qp-dark-navy: #07142a;
  --qp-gold: #f4c542;
  --qp-light-gold: #f9d977;
  --qp-cream: #fdfbf4;
  --qp-gray: #f4f6fa;
}

/****************************************
 * 3. BODY TYPOGRAPHY
 ****************************************/
body, p, div, span, li, td, th {
  font-family: "Source Serif 4", serif !important;
  font-size: 14px !important;
  color: #222 !important;
}

p {
  text-align: justify !important;

}

a {
  color: var(--qp-navy) !important;
  text-decoration: none !important;
}

a:hover {
  text-decoration: underline !important;
}

/****************************************
 * 4. HEADINGS
 ****************************************/
h1, h2, h3, h4, h5 {
  font-family: "Merriweather", serif !important;
  font-weight: 700 !important;
  color: var(--qp-navy) !important;
}
/****************************************
 * PREMIUM HEADER
 ****************************************/

/* Header Background */
#headerNavigationContainer .pkp_head_wrapper {
  background: var(--qp-cream);
  border-top: 4px solid var(--qp-gold);
  border-bottom: 4px solid var(--qp-gold);
  padding: 0px 0;
}

/* Main Layout — CSS Grid instead of absolute positioning.
   Grid guarantees the logo and the title/subtitle block sit in their
   own cells and can never overlap or land off-screen, regardless of
   container width (the old left:28% / left:40% absolute positioning
   was the cause of the logo going invisible/misplaced). */
#headerNavigationContainer .pkp_site_name_wrapper {
  position: relative !important;
  display: grid !important;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  column-gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  min-height: 130px;
  padding: 0 24px;
}

/* Logo cell */
#headerNavigationContainer .pkp_site_name {
  grid-column: 1;
  grid-row: 1 / span 2;
}

/* Logo image — normal flow, no absolute positioning */
#headerNavigationContainer .pkp_site_name a.is_img img {
  display: block !important;
  position: static !important;
  top: auto !important;
  left: auto !important;
  transform: none !important;
  max-height: 105px !important;
}

/* Hide Default OJS Title */
#headerNavigationContainer h1.pkp_screen_reader {
  display: none !important;
}

/****************************************
 * MAIN TITLE
 ****************************************/

#headerNavigationContainer .pkp_site_name_wrapper::after {
  content: "Quantum Pulse:";

  grid-column: 2;
  grid-row: 1;
  position: static !important;
  align-self: end;

  font-family: "Merriweather", serif;
  font-size: 44px;
  font-weight: 700;
  line-height: 1.1;

  background: linear-gradient(
    90deg,
    var(--qp-navy),
    var(--qp-gold)
  );

  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/****************************************
 * SUB TITLE + ISSN
 ****************************************/

#headerNavigationContainer .pkp_site_name_wrapper::before {
  content:
  "Journal of AI, Data Science & Systems Engineering (QP-AIDSE)\AISSN (Online): 3108-1061 | Publication Frequency: Bi-Annual (January, July)";

  white-space: pre-line;

  grid-column: 2;
  grid-row: 2;
  position: static !important;
  align-self: start;

  font-family: "Inter", sans-serif;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.7;

  color: var(--qp-dark-navy);

  border-top: none;
  background: linear-gradient(var(--qp-gold), var(--qp-gold)) no-repeat left top;
  background-size: 422px 2px;
  padding-top: 8px;
}

/****************************************
 * 6. MODERN MENU + SEARCH INLINE
 ****************************************/

.pkp_navigation_primary_wrapper {
  background: var(--qp-navy);
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
  padding: 6px 0;
}

/* Menu */
.pkp_navigation_primary {
  display: flex !important;
  align-items: center !important;
  gap: 8px;
  margin: 0 !important;
  padding: 0 !important;
  list-style: none;
}

/* Menu Links */
.pkp_navigation_primary > li > a {
  font-family: "Inter", sans-serif !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: #ffffff !important;
  padding: 7px 14px !important;
  border-radius: 4px;
  transition: all 0.3s ease;
}

/* Hover Effect */
.pkp_navigation_primary > li > a:hover,
.pkp_navigation_primary > li.current > a {
  background: var(--qp-gold);
  color: var(--qp-dark-navy) !important;
}

/****************************************
 * 7. SEARCH INLINE
 ****************************************/

.pkp_navigation_search_wrapper {
  position: static !important;
  margin-left: 15px;
}

.pkp_navigation_search_wrapper a {
  font-size: 12px !important;
  font-weight: 600;
  color: #ffffff !important;
  padding: 7px 12px;
  border-radius: 4px;
  transition: background 0.3s ease;
}

.pkp_navigation_search_wrapper a:hover {
  background: rgba(255,255,255,0.15);
}

/****************************************
 * 8. DROPDOWN STYLE
 ****************************************/

.pkp_navigation_primary li ul {
  background: #ffffff;
  border-radius: 6px;
  padding: 6px 0 !important;
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.pkp_navigation_primary li ul li a {
  font-size: 12px !important;
  padding: 8px 16px !important;
  color: var(--qp-navy) !important;
}

.pkp_navigation_primary li ul li a:hover {
  background: rgba(244,197,66,0.2);
}

/****************************************
 * 9. SIDEBAR
 ****************************************/

.pkp_structure_sidebar {
  text-align: left !important;
}

.pkp_structure_sidebar ul {
  padding-left: 18px !important;
}

/****************************************
 * 10. FOOTER
 ****************************************/

.pkp_footer {
  background: var(--qp-dark-navy);
  color: #ffffff !important;
  text-align: center !important;
  padding: 25px 0;
  font-size: 13px;
}

.pkp_footer a {
  color: var(--qp-gold) !important;
}

.pkp_brand_footer {
  display: none !important;
}
/****************************************
 * QP – ISSUE ARTICLE PREMIUM CARDS
 ****************************************/

/* Article list container */
.obj_issue_toc .articles > li {
  list-style: none !important;
  background: #ffffff !important;
  padding: 18px !important;
  margin-bottom: 20px !important;
  border-radius: 10px !important;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06) !important;
  transition: all 0.3s ease !important;
  border-left: 4px solid var(--qp-gold) !important;
}

/* Hover effect */
.obj_issue_toc .articles > li:hover {
  box-shadow: 0 8px 22px rgba(0,0,0,0.12) !important;
  transform: translateY(-4px);
}

/* Article title */
.obj_issue_toc .title {
  font-size: 18px !important;
  font-weight: 700 !important;
  line-height: 1.4 !important;
  margin-bottom: 8px !important;
  color: var(--qp-navy) !important;
}

/* Authors */
.obj_issue_toc .authors {
  font-size: 14px !important;
  color: #555 !important;
  margin-bottom: 10px !important;
}

/* FULL ARTICLE button style */
.obj_issue_toc .galleys_links a {
  display: inline-block !important;
  background: var(--qp-navy) !important;
  color: #ffffff !important;
  padding: 6px 14px !important;
  border-radius: 4px !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.5px !important;
  transition: all 0.3s ease !important;
}

/* Button hover */
.obj_issue_toc .galleys_links a:hover {
  background: var(--qp-gold) !important;
  color: var(--qp-dark-navy) !important;
}
/****************************************
 * QP – ARTICLE PAGE CLEANUP
 ****************************************/

/* Reduce page top spacing */
.pkp_structure_main {
  padding-top: 20px !important;
}

/* Article Title */
.obj_article_details .page_title {
  font-size: 24px !important;
  margin-bottom: 10px !important;
  line-height: 1.4 !important;
}

/* Authors spacing */
.obj_article_details .authors {
  margin-bottom: 15px !important;
  font-size: 14px !important;
}

/* Abstract box */
.obj_article_details .item.abstract {
  background: var(--qp-gray) !important;
  padding: 15px !important;
  border-left: 4px solid var(--qp-gold) !important;
  margin-bottom: 20px !important;
}

/* DOI / metadata spacing */
.obj_article_details .item {
  margin-bottom: 12px !important;
}

/* PDF / Galley buttons */
.obj_article_details .galleys_links a {
  background: var(--qp-navy) !important;
  color: #fff !important;
  padding: 6px 14px !important;
  border-radius: 4px !important;
  font-size: 13px !important;
}

.obj_article_details .galleys_links a:hover {
  background: var(--qp-gold) !important;
  color: var(--qp-dark-navy) !important;
}


/****************************************
 * QP – HOME PAGE SPACING FIX
 ****************************************/

/* Reduce top margin */
.pkp_page_index .page {
  margin-top: 10px !important;
}

/* Reduce issue block spacing */
.obj_issue_summary {
  margin-bottom: 20px !important;
}
.cmp_breadcrumbs {
padding-top: 1.143rem;
padding-bottom: 1.143rem;
}
/* Reduce homepage section spacing */
.pkp_page_index .sections {
  margin-top: 10px !important;
}

.pkp_structure_main h1{
margin-top: 10px;
 margin-bottom: 10px;
}
.obj_issue_toc .sections:not(:first-child){
  margin-top: 0px !important;
}
.pkp_structure_main .page h1{
   margin-top: 15px;
 margin-bottom: 15px;
}
.pkp_structure_main h2{
 margin-top: 10px;
 margin-bottom: 10px;
}

.pkp_structure_main h3{
margin-top: 10px;
 margin-bottom: 10px;
}

.pkp_structure_main h4{
margin-top: 10px;
 margin-bottom: 10px;
}
.pkp_structure_main p{
  margin: 0px !important;

}
/****************************************
 * QP – SIDEBAR CLEAN & LEFT ALIGNED
 ****************************************/

/* Sidebar container */
.pkp_structure_sidebar {
  padding-top: 10px !important;
  text-align: left !important;
}

/* Sidebar block styling */
.pkp_block {
  padding: 12px !important;
  background: var(--qp-gray) !important;
  border-radius: 6px !important;
  margin-bottom: 15px !important;   /* Better than margin:10px */
  text-align: left !important;
  margin: 10px;
}
.pkp_block .content p{
  line-height: 1.5rem !important;
}
/* Sidebar block titles */
.pkp_block h2,
.pkp_block h3 {
  font-size: 14px !important;
  margin-bottom: 8px !important;
  padding-bottom: 4px !important;
  border-bottom: 2px solid var(--qp-gold);
  text-align: left !important;
}

/* Sidebar text content */
.pkp_block p,
.pkp_block li,
.pkp_block a {
  text-align: left !important;
}

/* Sidebar lists */
.pkp_block ul {
  margin: 0 !important;
  padding-left: 18px !important;
}
/****************************************
 * QP – HARD CENTER FOOTER FIX
 ****************************************/

/* Override OJS flex layout */
.pkp_structure_footer {
  display: block !important;
  text-align: center !important;
}

/* Remove flex from inner container */
.pkp_footer_content {
  display: block !important;
  width: 100% !important;
  text-align: center !important;
}

/* Remove margins */
.pkp_footer_content p {
  margin: 0 !important;
  text-align: center !important;
}



















/****************************************
 * 11. RESPONSIVE — TABLET (≤1024px)
 ****************************************/
@media (max-width: 1024px) {
  #headerNavigationContainer .pkp_site_name_wrapper {
    max-width: 100%;
    padding: 0 16px;
    min-height: 100px;
    column-gap: 16px;
  }

  #headerNavigationContainer .pkp_site_name_wrapper::after {
    font-size: 12px;     
   padding-left: 80px;
  }

.pkp_site_name {

    left: 1.857rem!important;
}

  #headerNavigationContainer .pkp_site_name_wrapper::before {
    font-size: 8px;
    background-size: 300px 0px;
        padding-left: 80px;
  }

  #headerNavigationContainer .pkp_site_name a.is_img img {
    max-height: 80px !important;
  }
}

/****************************************
 * 12. RESPONSIVE — MOBILE (≤767px)
 * Logo + Title stay SIDE BY SIDE (grid is kept, just scaled)
 ****************************************/
@media (max-width: 767px) {
  #headerNavigationContainer .pkp_head_wrapper {
    padding: 10px 0;
    background: transparent !important;
  }
.pkp_site_name {
        left: 1.857rem !important;
        padding-bottom: 10px;
    }

  #headerNavigationContainer .pkp_site_name_wrapper {
    grid-template-columns: auto 1fr; /* keep side-by-side */
    min-height: unset;
    padding: 8px 12px;
    column-gap: 10px;
  }

  #headerNavigationContainer .pkp_site_name a.is_img img {
    max-height: 48px !important;
  }

  #headerNavigationContainer .pkp_site_name_wrapper::after {
    font-size: 12px;
    line-height: 1.2;
        padding-left: 80px;
  }
.pkp_site_name {

    left: 1.857rem!important;
}


  #headerNavigationContainer .pkp_site_name_wrapper::before {
    font-size: 8px;
    line-height: 1.3;
    background-size: 130px 0px;
    padding-top: 4px;
        padding-left: 80px;
  }

  /* Nav: let it wrap and center under the header */
  .pkp_navigation_primary_wrapper {
    flex-wrap: wrap !important;
    padding: 4px 0;
  }

  .pkp_navigation_primary {
    flex-wrap: wrap !important;
    justify-content: center !important;
    row-gap: 4px;
  }

  .pkp_navigation_primary > li > a {
    font-size: 11px !important;
    padding: 6px 10px !important;
  }

  .pkp_navigation_search_wrapper {
    margin-left: 6px;
  }

  /* Sidebar drops below main content */
  .pkp_structure_content {
    flex-direction: column !important;
  }

  .pkp_structure_sidebar {
    width: 100% !important;
    margin-top: 20px !important;
    padding-left: 0 !important;
  }

  .obj_issue_toc .title {
    font-size: 16px !important;
  }
}

/****************************************
 * 13. RESPONSIVE — SMALL MOBILE (≤480px)
 ****************************************/
@media (max-width: 480px) {
  #headerNavigationContainer .pkp_site_name_wrapper {
    column-gap: 8px;
    padding: 0px 10px;
  }

  #headerNavigationContainer .pkp_site_name a.is_img img {
    max-height: 36px !important;
  }

  #headerNavigationContainer .pkp_site_name_wrapper::after {
    font-size: 12px;
        padding-left: 80px;
  }
.pkp_site_name {

    left: 1.857rem!important;
}

  #headerNavigationContainer .pkp_site_name_wrapper::before {
    font-size: 8px;
    background-size: 95px 0px;
        padding-left: 80px;
  }
}