/* === PANDACK LAYOUT === */

/* --- Body --- */
body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  margin: 0;
}

.site-main {
  min-width: 0;
}

/* ---------------------------------------------------------------
 * 3-COLUMN LAYOUT (header / sidebar / main)
 * Active only when body has the `has-sidebar` class (set by
 * pandack_body_sidebar_class). Home, Tools, Portfolio opt out.
 * --------------------------------------------------------------- */
body.has-sidebar {
  display: grid;
  grid-template-columns: 240px 1fr;
  grid-template-rows: var(--header-h) 1fr;
  grid-template-areas:
    "header header"
    "sidebar main";
  min-height: 100vh;
  transition: grid-template-columns 0.3s ease;
}

body.has-sidebar > .site-header  { grid-area: header; }
body.has-sidebar > .mobile-header { grid-area: header; }
body.has-sidebar > .site-sidebar { grid-area: sidebar; }
body.has-sidebar > .site-main    { grid-area: main; min-width: 0; }
body.has-sidebar > .site-footer  { grid-column: 1 / -1; }

/* Collapsed state on desktop — remove the sidebar column entirely. */
body.has-sidebar.sidebar-closed {
  grid-template-columns: 0 1fr;
}

body.has-sidebar.sidebar-closed > .site-sidebar {
  transform: translateX(-100%);
  opacity: 0;
  pointer-events: none;
}

/* When there is no body-level sidebar, the header/main flow as plain blocks */
body:not(.has-sidebar) .site-main {
  display: block;
}

/* --- Header Desktop --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 23, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
  display: flex;
  align-items: center;
  padding: 0;
}

.header-wrapper {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 100%;
  max-width: 100%;
  padding: 0 24px;
  height: var(--header-h);
}

.sidebar-toggle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--cyan);
  width: 36px;
  height: 36px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}

.sidebar-toggle:hover {
  border-color: var(--cyan);
  background: var(--cyan-05);
}

.sidebar-toggle--mobile {
  width: 38px;
  height: 38px;
  background: var(--bg-card);
}

.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.main-nav ul {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: var(--text);
  padding: 8px 4px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
}

.main-nav a:hover {
  color: var(--cyan);
}

.main-nav a.active {
  color: var(--cyan);
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -18px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--cyan);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.site-logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
  text-transform: uppercase;
}

.site-logo a {
  background: inherit;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Legacy .site-nav alias — kept so any page still using it renders correctly */
.site-nav { display: none; }

/* --- Search bar --- */
.site-search {
  position: relative;
  width: 360px;
  max-width: 40vw;
}

@media (max-width: 1280px) {
  .site-search { width: 260px; }
  body.has-sidebar .main-nav ul { gap: 20px; }
}

@media (max-width: 1100px) {
  .site-search { display: none; }
}

.site-search input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-bright);
  padding: 9px 14px 9px 38px;
  border-radius: var(--radius);
  font-size: 13px;
  font-family: var(--font-body);
  transition: var(--transition);
}

.site-search input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-10);
}

.site-search input::placeholder {
  color: var(--text-dim);
}

.site-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 14px;
  pointer-events: none;
}

/* --- Search dropdown --- */
.search-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-height: 400px;
  overflow-y: auto;
  display: none;
  z-index: 200;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.search-dropdown.active {
  display: block;
}

.search-dropdown-group {
  padding: 12px 16px 8px;
}

.search-dropdown-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--magenta);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.search-dropdown-item {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  font-size: 13px;
  color: var(--text);
}

.search-dropdown-item:hover {
  background: var(--cyan-05);
  color: var(--text-bright);
}

.search-dropdown-all {
  display: block;
  padding: 12px 16px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  border-top: 1px solid var(--border);
  transition: var(--transition);
}

.search-dropdown-all:hover {
  background: var(--cyan-05);
}

/* --- User button --- */
.site-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.site-user:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* --- Mobile Header --- */
.mobile-header {
  display: none;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 23, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  align-items: center;
  justify-content: space-between;
}

.mobile-logo {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mobile-actions {
  display: flex;
  gap: 8px;
}

.mobile-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--cyan);
  font-size: 16px;
  cursor: pointer;
  transition: var(--transition);
}

.mobile-btn:hover {
  border-color: var(--cyan);
}

/* --- Mobile Search Overlay --- */
.mobile-search-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 300;
  background: rgba(6, 8, 13, 0.95);
  padding: 20px 16px;
}

.mobile-search-overlay.active {
  display: block;
}

.mobile-search-bar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 20px;
}

.mobile-search-bar input {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-bright);
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 16px;
  font-family: var(--font-body);
}

.mobile-search-bar input:focus {
  outline: none;
  border-color: var(--cyan);
}

.mobile-search-close {
  color: var(--text-dim);
  font-size: 14px;
  padding: 8px;
  cursor: pointer;
}

/* --- Bottom bar mobile --- */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 6px 4px calc(env(safe-area-inset-bottom, 0px) + 6px);
  justify-content: space-around;
}

.mb-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 8px 12px;
  cursor: pointer;
  font-size: 10px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
  transition: var(--transition);
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  border-radius: var(--radius);
}

.mb-item:hover,
.mb-item.active {
  color: var(--cyan);
  background: var(--cyan-05);
}

.mb-icon {
  font-size: 18px;
  line-height: 1;
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.site-footer-brand {
  letter-spacing: 1px;
}

.site-footer-links {
  display: flex;
  gap: 20px;
}

.site-footer-links a {
  color: var(--text-dim);
  transition: var(--transition);
}

.site-footer-links a:hover {
  color: var(--cyan);
}

/* --- Container --- */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 32px;
}

.container--narrow {
  max-width: var(--article-max);
}

/* --- Uniform content wrapper ---
 * Every page-level template carries at least one of these classes.
 * Inside the sidebar layout, content is centered in the remaining width
 * with a comfortable max. Home / Tools / Portfolio (no sidebar) keep the
 * wider max-width anchored to the site edges.
 */
.page-content,
.article-layout,
.wiki-layout,
.archive-layout,
.tools-layout,
.portfolio-layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 30px 32px;
  width: 100%;
  box-sizing: border-box;
}

body:not(.has-sidebar) .page-content,
body:not(.has-sidebar) .wiki-layout,
body:not(.has-sidebar) .tools-layout,
body:not(.has-sidebar) .portfolio-layout {
  max-width: var(--content-max);
}

.page-content--tall {
  padding-top: 80px;
  padding-bottom: 80px;
}

.pagination-wrap {
  margin-top: 30px;
}

@media (max-width: 767px) {
  .page-content,
  .article-layout,
  .wiki-layout,
  .archive-layout,
  .tools-layout,
  .portfolio-layout {
    padding: 20px 16px;
  }
}

/* --- Site sidebar (body-level left column) --- */
.site-sidebar {
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  position: sticky;
  top: var(--header-h);
  align-self: start;
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
  padding: 20px 14px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  box-sizing: border-box;
}

.sidebar-inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* --- Category tree --- */
.cat-tree {
  list-style: none;
  margin: 0;
  padding: 0;
}

.cat-item {
  margin-bottom: 2px;
}

.cat-item > a,
.cat-item .cat-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-left: 3px solid transparent;
  color: var(--text);
  font-size: 13px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: var(--transition);
  text-decoration: none;
}

.cat-item > a .cat-icon,
.cat-item .cat-icon {
  font-size: 14px;
  flex-shrink: 0;
}

.cat-item > a .cat-name,
.cat-item .cat-name {
  flex: 1;
  font-weight: 500;
}

.cat-item .cat-count {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 1px 8px;
  border-radius: 3px;
}

.cat-all > a:hover {
  background: var(--cyan-05);
  color: var(--text-bright);
}

.cat-all.active > a {
  background: var(--cyan-08);
  color: var(--text-bright);
  border-left-color: var(--cyan);
}

.cat-parent .cat-row {
  gap: 6px;
}

.cat-parent .cat-link {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: inherit;
  text-decoration: none;
}

.cat-parent .cat-row:hover {
  background: var(--cyan-05);
  color: var(--text-bright);
}

.cat-parent.active > .cat-row {
  background: var(--cyan-08);
  color: var(--text-bright);
  border-left-color: var(--cyan);
}

.cat-toggle {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 12px;
  padding: 4px 6px;
  transition: transform 0.2s, color 0.2s;
  flex-shrink: 0;
}

.cat-parent.expanded > .cat-row .cat-toggle {
  transform: rotate(180deg);
  color: var(--cyan);
}

.cat-children {
  list-style: none;
  margin: 0;
  padding: 0 0 4px 20px;
  display: none;
}

.cat-parent.expanded > .cat-children {
  display: block;
}

.cat-child a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  color: var(--text-dim);
  font-size: 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  text-decoration: none;
}

.cat-child a:hover {
  color: var(--text-bright);
  background: var(--cyan-05);
}

.cat-child.active a {
  color: var(--cyan);
  background: var(--cyan-08);
}

.sidebar-title {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--magenta);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin: 0 0 10px;
  padding: 0 0 8px 4px;
  border-bottom: 1px solid var(--border);
}

/* --- Filters sidebar variant --- */
.site-sidebar--filters .filters-panel {
  padding: 0;
  background: transparent;
  border: none;
}