/* =========================================================================
   Soouo · shell — utility bar, header/nav, page structure, footer
   ========================================================================= */
.pkp_structure_page { display: flex; flex-direction: column; min-height: 100vh; background: var(--soouo-bg); }

/* ---- utility bar -------------------------------------------------------- */
.soouo-head { position: sticky; top: 0; z-index: 900; }
.soouo-utility { background: var(--soouo-primary); color: rgba(255, 255, 255, .82); }
:root[data-theme="dark"] .soouo-utility { background: #050F1A; }
.soouo-utility__inner {
  display: flex; align-items: center; gap: 24px;
  min-height: 56px; padding: 10px 0;
}
.soouo-brand { display: flex; align-items: center; gap: 14px; margin-right: auto; }
.soouo-brand__logo img { max-height: 52px; width: auto; }
.soouo-brand__name {
  display: block; font-family: var(--soouo-font-heading);
  font-size: 20px; font-weight: 700; color: #fff; line-height: 1.15;
}
.soouo-brand__tag {
  display: block; font-size: 11px; letter-spacing: .14em;
  text-transform: uppercase; color: rgba(255, 255, 255, .55); margin-top: 2px;
}
.soouo-utility__meta {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px 20px;
  min-width: 0; font-size: 12px; letter-spacing: .02em;
}
.soouo-utility__meta b { color: rgba(255, 255, 255, .55); font-weight: 600; margin-right: 4px; }
.soouo-oa { display: inline-flex; align-items: center; gap: 6px; color: var(--soouo-accent-2); font-weight: 600; }
.soouo-oa .material-symbols-outlined { font-size: 18px; }

.soouo-utility__ctrls { display: flex; align-items: center; gap: 14px; }
.soouo-mode {
  display: inline-flex; padding: 3px;
  border: 1px solid rgba(255, 255, 255, .18); border-radius: 999px;
}
.soouo-mode button {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border: 0; border-radius: 999px;
  background: transparent; color: rgba(255, 255, 255, .6);
  font-size: 12px; font-weight: 600;
}
.soouo-mode button .material-symbols-outlined { font-size: 16px; }
.soouo-mode button[aria-pressed="true"] { background: var(--soouo-accent); color: var(--soouo-on-accent); }
.soouo-lang { display: flex; gap: 2px; }
.soouo-lang a {
  padding: 4px 8px; border-radius: 6px; font-size: 12px; font-weight: 700;
  color: rgba(255, 255, 255, .6); text-decoration: none;
}
.soouo-lang a:hover, .soouo-lang a[aria-current="true"] { color: #fff; background: rgba(255, 255, 255, .1); }

/* ---- primary nav ----------------------------------------------------- */
.soouo-nav {
  background: var(--soouo-surface);
  border-bottom: 1px solid var(--soouo-border);
  box-shadow: var(--soouo-shadow-sm);
}
.soouo-nav__inner { display: flex; align-items: center; min-height: var(--soouo-nav-h); gap: 16px; }
.soouo-head.is-scrolled .soouo-nav__inner { min-height: 50px; }
.soouo-head.is-scrolled .soouo-nav { backdrop-filter: blur(10px); background: color-mix(in srgb, var(--soouo-surface) 88%, transparent); }

.soouo-nav__toggle {
  display: none; place-items: center;
  width: 42px; height: 42px; border: 1px solid var(--soouo-border); border-radius: var(--soouo-radius-sm);
  background: transparent; color: var(--soouo-text);
}
.soouo-nav__menus { display: flex; align-items: center; gap: 10px; flex: 1; }

ul.soouo-menu, ul.soouo-menu-user {
  display: flex; align-items: center; gap: 2px;
  margin: 0; padding: 0; list-style: none;
}
.soouo-menu > li { position: relative; }
.soouo-menu > li > a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 0 14px; height: 44px;
  font-size: 13px; font-weight: 600; letter-spacing: .03em; text-transform: uppercase;
  color: var(--soouo-text-2); text-decoration: none;
  border-bottom: 2px solid transparent;
}
.soouo-menu > li > a:hover,
.soouo-menu > li.current > a,
.soouo-menu > li[aria-current] > a {
  color: var(--soouo-text); border-bottom-color: var(--soouo-accent);
}
.soouo-menu > li > a[aria-haspopup]::after {
  content: "expand_more"; font-family: 'Material Symbols Outlined'; font-size: 18px; opacity: .6;
}
.soouo-menu ul {
  position: absolute; top: 100%; left: 0; z-index: 50;
  display: none; min-width: 220px; margin: 0; padding: 8px;
  list-style: none; background: var(--soouo-surface);
  border: 1px solid var(--soouo-border); border-radius: var(--soouo-radius-sm);
  box-shadow: var(--soouo-shadow);
}
.soouo-menu li:hover > ul,
.soouo-menu li.is-open > ul { display: block; }
.soouo-menu ul a {
  display: block; padding: 9px 12px; border-radius: 8px;
  font-size: 13px; color: var(--soouo-text-2); text-decoration: none;
}
.soouo-menu ul a:hover { background: var(--soouo-bg-2); color: var(--soouo-text); }

.soouo-nav__aside { display: flex; align-items: center; gap: 14px; margin-left: auto; }
.soouo-search { display: flex; align-items: center; }
.soouo-search input {
  width: 150px; height: 38px; padding: 0 12px;
  border: 1px solid var(--soouo-border); border-right: 0;
  border-radius: var(--soouo-radius-sm) 0 0 var(--soouo-radius-sm);
  background: var(--soouo-bg); color: var(--soouo-text); font-size: 13px;
}
.soouo-search input:focus { outline: none; border-color: var(--soouo-accent); }
.soouo-search button {
  height: 38px; width: 40px; display: grid; place-items: center;
  border: 1px solid var(--soouo-accent); border-radius: 0 var(--soouo-radius-sm) var(--soouo-radius-sm) 0;
  background: var(--soouo-accent); color: var(--soouo-on-accent);
}
.soouo-menu-user > li > a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 0 12px; height: 38px; border-radius: var(--soouo-radius-sm);
  font-size: 13px; font-weight: 600; color: var(--soouo-text-2); text-decoration: none;
}
.soouo-menu-user > li > a:hover { color: var(--soouo-text); background: var(--soouo-bg-2); }
.soouo-menu-user > li:last-child > a {
  background: var(--soouo-primary); color: var(--soouo-on-primary);
}
:root[data-theme="dark"] .soouo-menu-user > li:last-child > a { background: var(--soouo-accent); color: var(--soouo-on-accent); }


/* User account dropdown (desktop). OJS renders a nested <ul>; without these
   rules the browser displays it permanently. */
.soouo-menu-user > li { position: relative; }
.soouo-menu-user > li > ul {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  left: auto;
  z-index: 1000;
  display: none;
  min-width: 210px;
  margin: 0;
  padding: 8px;
  list-style: none;
  background: var(--soouo-surface);
  border: 1px solid var(--soouo-border);
  border-radius: var(--soouo-radius-sm);
  box-shadow: var(--soouo-shadow);
}
.soouo-menu-user > li.is-open > ul { display: block; }
@media (hover: hover) and (min-width: 901px) {
  .soouo-menu-user > li:hover > ul { display: block; }
}
.soouo-menu-user > li > ul a {
  display: block;
  padding: 9px 12px;
  border-radius: 8px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--soouo-text-2);
  text-decoration: none;
}
.soouo-menu-user > li > ul a:hover,
.soouo-menu-user > li > ul a:focus-visible {
  background: var(--soouo-bg-2);
  color: var(--soouo-text);
}

/* ---- page structure ------------------------------------------------- */
/* Single column everywhere. The sidebar (metadata / block plugins) is NOT a
   side rail — it sits as a full-width band BELOW the main content so the
   article / issue text always owns the main area. */
.pkp_structure_content { flex: 1 0 auto; width: 100%; padding-bottom: 72px; }
.pkp_structure_main { min-width: 0; width: 100%; }

body:not(.pkp_page_index) .pkp_structure_content {
  width: min(var(--soouo-max), 100% - var(--soouo-gutter) * 2);
  margin-inline: auto;
  padding-top: 40px;
  display: flex;
  flex-direction: column;
}

/* ---- sidebar: BELOW mode (data-sidebar="below") --------------------
   Balanced multi-column band under the article. CSS columns pack blocks
   of very different heights tightly — a grid leaves big dead gaps. */
.pkp_structure_sidebar {
  order: 99;                 /* always after main, whatever the DOM order */
  min-width: 0;
  margin-top: 44px;
  padding-top: 32px;
  border-top: 2px solid var(--soouo-border);
  display: block;
  columns: 4 auto;
  column-gap: 18px;
}
.pkp_structure_sidebar .pkp_block {
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  page-break-inside: avoid;
  display: inline-block;
  vertical-align: top;
  width: 100%;
  margin: 0 0 18px;
}
@media (max-width: 1200px) { .pkp_structure_sidebar { columns: 3 auto; } }
@media (max-width: 900px)  { .pkp_structure_sidebar { columns: 2 auto; } }
@media (max-width: 640px)  { .pkp_structure_sidebar { columns: 1 auto; } }

/* ---- sidebar: RIGHT mode (default) on desktop ---------------------
   Classic journal layout: wide article column + a narrow right rail.
   Below 900px it falls back to the stacked band above. */
@media (min-width: 901px) {
  :root[data-sidebar="right"] body:not(.pkp_page_index) .pkp_structure_content.has_sidebar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) clamp(260px, 23%, 320px);
    gap: 40px;
    align-items: start;
  }
  :root[data-sidebar="right"] .pkp_structure_sidebar {
    display: grid;
    gap: 16px;
    align-content: start;
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
  }
}

.pkp_page_index .pkp_structure_sidebar { display: none; }   /* home has its own blocks */

/* ---- footer -------------------------------------------------------- */
.soouo-foot { background: var(--soouo-primary); color: rgba(255, 255, 255, .72); margin-top: auto; }
:root[data-theme="dark"] .soouo-foot { background: #050F1A; }
.soouo-foot__grid {
  display: grid; gap: 36px; padding: 56px 0 40px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
}
.soouo-foot h4 {
  color: #fff; font-family: var(--soouo-font-body); font-size: 13px;
  font-weight: 700; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 16px;
}
.soouo-foot a { color: rgba(255, 255, 255, .72); text-decoration: none; }
.soouo-foot a:hover { color: var(--soouo-accent-2); text-decoration: none; }
.soouo-foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; font-size: 13px; }
.soouo-foot-menu ul { display: none; }   /* no nested submenus in the footer column */
.soouo-foot__brand img { max-height: 54px; margin-bottom: 14px; filter: brightness(0) invert(1); }
.soouo-foot__brand p { font-size: 13px; line-height: 1.7; margin: 0 0 12px; }
.soouo-foot__issn { font-size: 12px; color: rgba(255, 255, 255, .5); }
.soouo-foot__contact { display: grid; gap: 8px; font-size: 13px; }
.soouo-foot__contact span { display: flex; gap: 8px; align-items: flex-start; }
.soouo-foot__contact .material-symbols-outlined { font-size: 18px; color: var(--soouo-accent); flex: none; }
.soouo-news form { display: flex; margin-top: 12px; }
.soouo-news input {
  flex: 1; min-width: 0; height: 40px; padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, .2); border-right: 0;
  border-radius: var(--soouo-radius-sm) 0 0 var(--soouo-radius-sm);
  background: rgba(255, 255, 255, .06); color: #fff; font-size: 13px;
}
.soouo-news button {
  height: 40px; padding: 0 16px; border: 0;
  border-radius: 0 var(--soouo-radius-sm) var(--soouo-radius-sm) 0;
  background: var(--soouo-accent); color: var(--soouo-on-accent);
  font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
}
.soouo-foot__social { display: flex; gap: 10px; margin-top: 12px; }
.soouo-foot__social a {
  display: grid; place-items: center; width: 34px; height: 34px;
  border: 1px solid rgba(255, 255, 255, .18); border-radius: 999px;
}
.soouo-foot__bar {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 16px 0; text-align: center; font-size: 12px; color: rgba(255, 255, 255, .5);
}
.soouo-foot__bar a { color: rgba(255, 255, 255, .7); }

/* keep the PKP brand link unobtrusive */
.pkp_brand_footer { text-align: center; padding: 0 0 24px; }
.pkp_brand_footer img { display: inline-block; max-height: 40px; opacity: .5; filter: brightness(0) invert(1); }