/* =========================================================================
   AQILA – Acceleration, Quantum, Information Technology and Algorithm Journal
   Draft stylesheet · OJS 3.3 Default Theme
   Upload: Settings > Website > Appearance > Advanced > Journal style sheet

   Palette (from the AQILA header & cover)
   - Base   : indigo #0B0F33 (deep #050826, mid #1A1F5C)
   - Accent : orange #FF6A2B  – highlights, active states
              red    #E8364F  – call to action
              violet #8B5CF6  – secondary accent
   ========================================================================= */

:root {
  --aq-ind-900:  #050826;
  --aq-ind:      #0B0F33;
  --aq-ind-700:  #1A1F5C;
  --aq-orange:   #FF6A2B;
  --aq-violet:   #8B5CF6;
  --aq-violet-dk:#5B3CC4;    /* text-safe violet on white */
  --aq-red:      #E8364F;
  --aq-red-dk:   #C21F3A;
  --aq-ink:      #1D2140;
  --aq-muted:    #5C6185;
  --aq-line:     #E0E2EE;
  --aq-surface:  #F4F5FA;
  --aq-radius:   10px;
  --aq-tri: linear-gradient(90deg,
              var(--aq-orange) 0 55%, var(--aq-red) 55% 80%, var(--aq-violet) 80% 100%);
}

/* ---------- Page canvas ---------- */
body {
  background: var(--aq-surface) !important;   /* replaces the floral pattern */
  color: var(--aq-ink);
}
.pkp_structure_page { box-shadow: 0 0 0 1px var(--aq-line); }
.pkp_structure_content { background: #fff; }

/* ---------- Header (upload enigma-header.png as the journal Logo) ---------- */
.pkp_structure_head {
  background: var(--aq-ind);
  border-bottom: 0;
}
.pkp_site_name_wrapper { padding-left: 0; padding-right: 0; }
.pkp_site_name { padding-top: 0; padding-bottom: 0; }
.pkp_site_name .is_img img {
  max-height: none;
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- Primary navigation ---------- */
.pkp_navigation_primary_row {
  background: var(--aq-ind-900);
  border-bottom: 4px solid transparent;
  border-image: var(--aq-tri) 1;          /* yellow · green · red strip */
}
.pkp_navigation_primary > li > a,
.pkp_navigation_search_wrapper a,
.pkp_navigation_user > li > a {
  color: #fff;
  font-weight: 600;
  border-bottom: 3px solid transparent;
  padding-bottom: 6px;
}
.pkp_navigation_primary > li > a:hover,
.pkp_navigation_primary > li > a:focus,
.pkp_navigation_primary > li.current > a,
.pkp_navigation_search_wrapper a:hover,
.pkp_navigation_user > li > a:hover {
  color: var(--aq-orange);
  border-bottom-color: var(--aq-orange);
}
.pkp_navigation_primary ul,
.pkp_navigation_user ul {
  border-radius: 0 0 var(--aq-radius) var(--aq-radius);
  border-top: 3px solid var(--aq-orange);
  box-shadow: 0 10px 24px rgba(5, 8, 38, .18);
}
.pkp_navigation_primary ul a:hover,
.pkp_navigation_user ul a:hover {
  background: var(--aq-ind);
  color: #fff;
  border-left-color: var(--aq-violet);
}

/* ---------- Links & headings ---------- */
a { color: var(--aq-ind-700); }
a:hover, a:focus { color: var(--aq-red-dk); }

.pkp_structure_main h1,
.pkp_structure_main h2,
.pkp_structure_main h3 { color: var(--aq-ind); }

.page_index_journal .homepage_about h2,
.page_index_journal .current_issue > h2,
.obj_issue_toc .sections h2,
.page_issue_archive h1,
.page_about h1 {
  position: relative;
  padding-left: 16px;
  font-weight: 700;
}
.page_index_journal .homepage_about h2::before,
.page_index_journal .current_issue > h2::before,
.obj_issue_toc .sections h2::before,
.page_issue_archive h1::before,
.page_about h1::before {
  content: "";
  position: absolute;
  left: 0; top: .15em; bottom: .15em;
  width: 5px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--aq-orange) 0 55%, var(--aq-red) 55% 80%, var(--aq-violet) 80% 100%);
}

/* ---------- Homepage ---------- */
.page_index_journal .homepage_about img { border-radius: var(--aq-radius); }
.page_index_journal .homepage_about table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--aq-line);
}
.page_index_journal .current_issue .current_issue_title {
  font-weight: 700;
  color: var(--aq-ind);
}
.page_index_journal .current_issue .read_more {
  color: var(--aq-red-dk);
  font-weight: 700;
}

/* ---------- Article summaries ---------- */
.obj_issue_toc .articles > li { margin-bottom: 14px; }
.obj_article_summary {
  padding: 16px 18px !important;
  border: 1px solid var(--aq-line) !important;
  border-left: 4px solid var(--aq-ind) !important;
  border-radius: var(--aq-radius) !important;
  background: #fff;
  box-shadow: none !important;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.obj_article_summary:hover {
  border-left-color: var(--aq-violet) !important;
  box-shadow: 0 6px 18px rgba(11, 15, 51, .08) !important;
  transform: translateY(-1px);
}
.obj_article_summary > .title a { color: var(--aq-ind); font-weight: 700; }
.obj_article_summary > .title a:hover { color: var(--aq-red-dk); }
.obj_article_summary .meta { color: var(--aq-muted); }
.obj_article_summary .pages {
  background: var(--aq-surface);
  border-radius: 999px;
  padding: 1px 10px;
  font-size: .85em;
}

/* Galley buttons (PDF, HTML …) */
.obj_galley_link {
  background: var(--aq-ind) !important;
  color: #fff !important;
  border: 0 !important;
  border-radius: 6px !important;
  padding: 4px 14px !important;
  font-weight: 600;
}
.obj_galley_link:hover,
.obj_galley_link:focus {
  background: var(--aq-violet) !important;
  color: var(--aq-ind-900) !important;
}

/* Generic buttons */
.cmp_button,
.pkp_button,
button.submit,
.cmp_form .buttons button {
  background: var(--aq-ind);
  color: #fff;
  border: 0;
  border-radius: 6px;
  box-shadow: none;
  font-weight: 600;
}
.cmp_button:hover,
.pkp_button:hover,
.cmp_form .buttons button:hover {
  background: var(--aq-red);
  color: #fff;
}

/* ---------- Sidebar ---------- */
.pkp_structure_sidebar .pkp_block { padding-top: 18px; }

/* "Make a Submission" – red call to action */
.block_make_submission a {
  display: block;
  text-align: center;
  padding: 12px 16px;
  background: var(--aq-red) !important;
  color: #fff !important;
  border: 0 !important;
  border-radius: var(--aq-radius);
  font-weight: 700;
  letter-spacing: .02em;
  box-shadow: 0 6px 14px rgba(232, 54, 79, .25) !important;
  text-decoration: none;
}
.block_make_submission a:hover {
  background: var(--aq-orange) !important;
  color: var(--aq-ind-900) !important;
  box-shadow: none !important;
}

/* Section headings inside the custom "main-menu" block */
.pkp_structure_sidebar .head-menu {
  margin: 18px 0 8px !important;
  padding: 10px 14px !important;
  background: var(--aq-ind) !important;
  color: #fff !important;
  border: 0 !important;
  border-left: 4px solid var(--aq-orange) !important;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  height: auto !important;            /* old stylesheet fixed this at 50px */
  line-height: 1.35 !important;
}
.pkp_structure_sidebar .head-menu a {
  display: block;
  padding: 0 !important;
  background: none !important;
  border: 0 !important;
  color: inherit !important;
  text-decoration: none;
}
.pkp_structure_sidebar .badan {
  background: transparent !important;
  padding: 0 !important;
  text-align: center;
}
.pkp_structure_sidebar .badan img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

/* Main-menu link list */
.pkp_structure_sidebar .menu-sidebar li {
  padding: 0 !important;
  margin: 0 !important;
  list-style: none;
}
.pkp_structure_sidebar .menu-sidebar a {
  display: block;
  margin: 0 0 4px !important;
  padding: 9px 12px 9px 26px !important;
  position: relative;
  background: var(--aq-surface) !important;
  color: var(--aq-ink) !important;
  border: 0 !important;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: background .15s, color .15s, padding .15s;
}
.pkp_structure_sidebar .menu-sidebar a::before {
  content: "›";
  position: absolute;
  left: 12px;
  color: var(--aq-violet-dk);
  font-weight: 700;
}
.pkp_structure_sidebar .menu-sidebar a:hover {
  background: var(--aq-ind) !important;
  color: #fff !important;
  padding-left: 30px !important;
}
.pkp_structure_sidebar .menu-sidebar a:hover::before { color: var(--aq-orange); }

/* Standard OJS block titles (Information, Language, etc.) */
.pkp_block .title {
  color: var(--aq-ind);
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  border-bottom: 3px solid transparent;
  border-image: var(--aq-tri) 1;
  padding-bottom: 6px;
}

/* ---------- Footer ---------- */
.pkp_structure_footer_wrapper {
  background: var(--aq-ind-900);
  color: #C7CAE3;
  border-top: 5px solid transparent;
  border-image: var(--aq-tri) 1;
}
.pkp_structure_footer_wrapper a { color: var(--aq-orange); }
.pkp_structure_footer_wrapper a:hover { color: var(--aq-violet); }
.pkp_structure_footer_wrapper strong { color: #fff; }
.pkp_brand_footer { opacity: .5; }

/* ---------- Article page ---------- */
.obj_article_details .main_entry .item .label,
.obj_article_details .entry_details .item .label {
  color: var(--aq-ind);
  font-weight: 700;
}
.obj_article_details .entry_details { border-left: 1px solid var(--aq-line); }
.obj_article_details .cover_image img {
  border-radius: var(--aq-radius);
  box-shadow: 0 8px 20px rgba(5, 8, 38, .15);
}
.obj_article_details .item.doi .value a { color: var(--aq-violet-dk); }

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .pkp_site_nav_toggle { color: #fff; }
  .pkp_site_nav_menu { background: var(--aq-ind-900); }
  .pkp_navigation_primary > li > a { border-bottom: 0; }
}

/* ---------- Kept from the previous stylesheet ---------- */
.obj_article_details .abstract { text-align: justify; }   /* rata kiri-kanan abstrak */

/* ---------- Homepage layout (hero + about) ---------- */
.page_index_journal .homepage_image {
  margin: 0 0 28px;
}
.page_index_journal .homepage_image img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
  box-shadow: 0 10px 28px rgba(5, 8, 38, .22);
}
.page_index_journal .homepage_about { padding-top: 6px; }
.aq-info th,
.aq-info td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--aq-line);
  vertical-align: top;
  font-size: 15px;
}
.aq-info th {
  background: var(--aq-surface);
  color: var(--aq-ind);
  font-weight: 700;
}
.aq-info tr:first-child th,
.aq-info tr:first-child td { border-top: 1px solid var(--aq-line); }
.aq-info td a { color: var(--aq-violet-dk); font-weight: 600; }
.aq-btn:hover { opacity: .88; color: #fff !important; }
.aq-step { transition: transform .2s, box-shadow .2s; }
.aq-step:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(11, 15, 51, .10); }
@media (max-width: 575px) {
  .aq-info th { width: auto !important; display: block; border-bottom: 0; }
  .aq-info td { display: block; }
}

/* ---------- Navigation alignment (align with page content) ---------- */
.pkp_navigation_primary_row .pkp_navigation_primary_wrapper {
  padding-left: 36px !important;
  padding-right: 30px !important;
}
.pkp_navigation_primary > li > a {
  margin-right: 6px;
  padding-left: 10px;
  padding-right: 10px;
}
.pkp_navigation_primary > li:first-child > a { padding-left: 0; }
@media (max-width: 991px) {
  .pkp_navigation_primary_row .pkp_navigation_primary_wrapper {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }
}