/* ============================================================
   Archithek Frontend — Main Stylesheet
   Theme System · Typography · Layout · Components · Responsive
   ============================================================ */

/* ---------- CSS Custom Properties / Themes ---------- */

:root,
[data-theme="light"] {
  /* Surfaces */
  --color-bg:            #FAFAF8;
  --color-bg-secondary:  #FFFFFF;
  --color-bg-tertiary:   #F3F1EC;
  --color-bg-elevated:   #FFFFFF;

  /* Text */
  --color-text:          #1A1A1A;
  --color-text-secondary:#555555;
  --color-text-muted:    #8A8A8A;

  /* Borders */
  --color-border:        #E2DFD8;
  --color-border-light:  #F0EDE7;

  /* Brand (overridden inline from Organization) */
  --color-brand:         var(--org-color-primary, #7B5E2A);
  --color-brand-light:   color-mix(in srgb, var(--color-brand) 15%, white);
  --color-brand-dark:    color-mix(in srgb, var(--color-brand) 80%, black);
  --color-accent:        var(--org-color-secondary, #2C5F7C);

  /* Sidebar */
  --sidebar-bg:          #1A1A1A;
  --sidebar-text:        #CCCCCC;
  --sidebar-text-active: #FFFFFF;
  --sidebar-hover:       #2A2A2A;
  --sidebar-active-bg:   var(--color-brand);
  --sidebar-width:       260px;
  --sidebar-collapsed:   64px;

  /* Cards */
  --card-bg:             #FFFFFF;
  --card-shadow:         0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --card-shadow-hover:   0 10px 24px rgba(0,0,0,.08), 0 2px 8px rgba(0,0,0,.04);

  /* Misc */
  --color-success:       #2E7D4F;
  --color-danger:        #C0392B;
  --color-warning:       #D4A017;
  --color-info:          #2C5F7C;
  --overlay:             rgba(0,0,0,.45);

  /* Radii & Transitions */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  14px;
  --radius-xl:  20px;
  --radius-full:9999px;
  --ease:       cubic-bezier(.4,0,.2,1);
  --dur-fast:   150ms;
  --dur:        250ms;
  --dur-slow:   400ms;

  /* Navbar */
  --navbar-height: 60px;
}

[data-theme="dark"] {
  --color-bg:            #111111;
  --color-bg-secondary:  #1A1A1A;
  --color-bg-tertiary:   #222222;
  --color-bg-elevated:   #1E1E1E;
  --color-text:          #E4E4E4;
  --color-text-secondary:#A8A8A8;
  --color-text-muted:    #666666;
  --color-border:        #333333;
  --color-border-light:  #2A2A2A;
  --sidebar-bg:          #0A0A0A;
  --sidebar-hover:       #1E1E1E;
  --card-bg:             #1A1A1A;
  --card-shadow:         0 1px 3px rgba(0,0,0,.3);
  --card-shadow-hover:   0 10px 24px rgba(0,0,0,.4);
  --overlay:             rgba(0,0,0,.7);
}

[data-theme="high-contrast"] {
  --color-bg:            #000000;
  --color-bg-secondary:  #000000;
  --color-bg-tertiary:   #111111;
  --color-bg-elevated:   #000000;
  --color-text:          #FFFFFF;
  --color-text-secondary:#FFFFFF;
  --color-text-muted:    #CCCCCC;
  --color-border:        #FFFFFF;
  --color-border-light:  #888888;
  --color-brand:         #FFD700;
  --color-brand-light:   #FFF3B0;
  --color-brand-dark:    #B8960F;
  --color-accent:        #00DDFF;
  --sidebar-bg:          #000000;
  --sidebar-text:        #FFFFFF;
  --sidebar-text-active: #FFD700;
  --sidebar-hover:       #222222;
  --sidebar-active-bg:   #FFD700;
  --card-bg:             #000000;
  --card-shadow:         0 0 0 2px #FFFFFF;
  --card-shadow-hover:   0 0 0 3px #FFD700;
  --overlay:             rgba(0,0,0,.9);
}

/* ---------- Reset & Base ---------- */

*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.transitions-ready,
body.transitions-ready *,
body.transitions-ready *::before,
body.transitions-ready *::after {
  transition-property: background-color, color, border-color, box-shadow, opacity;
  transition-duration: var(--dur);
  transition-timing-function: var(--ease);
}

a { color: var(--color-brand); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; display: block; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: transparent;
  color: inherit;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: var(--color-text);
}

::selection {
  background: var(--color-brand);
  color: #fff;
}

/* Skip to content */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: .5rem 1rem;
  background: var(--color-brand);
  color: #fff;
  border-radius: var(--radius-md);
  font-weight: 600;
}
.skip-link:focus {
  top: 1rem;
  text-decoration: none;
}

/* ---------- Typography ---------- */

h1, h2, h3, .heading-serif {
  font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.2;
  color: var(--color-text);
}

h1 { font-size: 2.5rem;  }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.35rem; }
h4 {
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.3;
}

p { margin-bottom: .75rem; }
p:last-child { margin-bottom: 0; }

.text-muted { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }
.text-small { font-size: .85rem; }

/* ---------- Layout: Sidebar + Content ---------- */

.app-layout {
  display: flex;
  min-height: 100vh;
}

.app-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  z-index: 50;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.app-sidebar.collapsed {
  width: var(--sidebar-collapsed);
}
.app-sidebar.collapsed .sidebar-label,
.app-sidebar.collapsed .sidebar-section-label,
.app-sidebar.collapsed .sidebar-header-text {
  display: none;
}
.app-sidebar.collapsed .sidebar-link {
  justify-content: center;
  padding-left: 0;
  padding-right: 0;
}
.app-sidebar.collapsed .sidebar-logo {
  padding: .75rem;
  justify-content: center;
}
.app-sidebar.collapsed .sidebar-logo img {
  max-width: 36px;
}

.app-content-wrapper {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-width: 0;
}

.app-sidebar.collapsed ~ .app-content-wrapper {
  margin-left: var(--sidebar-collapsed);
}

/* ---------- Sidebar ---------- */

.sidebar-header {
  padding: 1.25rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  color: #fff;
}
.sidebar-logo img {
  max-height: 38px;
  max-width: 140px;
  object-fit: contain;
}
.sidebar-logo-text {
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  white-space: nowrap;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: .75rem 0;
}

.sidebar-section-label {
  padding: 1rem 1.25rem .4rem;
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: rgba(255,255,255,.35);
}

.sidebar-divider {
  height: 1px;
  background: rgba(255,255,255,.08);
  margin: .5rem 1rem;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .6rem 1.25rem;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 500;
  border-radius: 0;
  position: relative;
}
.sidebar-link:hover {
  background: var(--sidebar-hover);
  color: #fff;
  text-decoration: none;
}
.sidebar-link.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-text-active);
  font-weight: 600;
}
.sidebar-link .material-symbols-outlined {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: .75rem 1rem;
  border-top: 1px solid rgba(255,255,255,.08);
}

.sidebar-collapse-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: .5rem;
  border-radius: var(--radius-md);
  color: var(--sidebar-text);
}
.sidebar-collapse-btn:hover {
  background: var(--sidebar-hover);
  color: #fff;
}

/* Mobile sidebar overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--overlay);
  z-index: 45;
}
.sidebar-overlay.visible {
  display: block;
}

/* ---------- Navbar ---------- */

.app-navbar {
  position: sticky;
  top: 0;
  z-index: 30;
  height: var(--navbar-height);
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  gap: 1rem;
}

.navbar-mobile-toggle {
  display: none;
  padding: .4rem;
  border-radius: var(--radius-md);
}
.navbar-mobile-toggle:hover {
  background: var(--color-bg-tertiary);
}

.navbar-search {
  display: flex;
  align-items: center;
  flex: 0 1 320px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0 .75rem;
  height: 38px;
}
.navbar-search-icon {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}
.navbar-search-input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  padding: .4rem .5rem;
  font-size: .9rem;
}

.navbar-controls {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-left: auto;
}

/* Language switcher */
.navbar-lang-switcher {
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.lang-btn {
  padding: .3rem .65rem;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--color-text-muted);
  text-decoration: none;
  background: transparent;
}
.lang-btn:hover {
  background: var(--color-bg-tertiary);
  text-decoration: none;
}
.lang-btn.active {
  background: var(--color-brand);
  color: #fff;
}

/* Theme toggle */
.navbar-theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}
.navbar-theme-toggle:hover {
  background: var(--color-bg-tertiary);
}
.navbar-theme-toggle .material-symbols-outlined {
  font-size: 1.15rem;
}

/* ---------- Time Range Slider ---------- */

.time-slider-wrapper {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex: 0 1 520px;
  min-width: 280px;
  padding: .3rem .55rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-bg-tertiary);
}

.time-slider-label {
  display: flex;
  align-items: center;
  gap: .35rem;
  font-size: .74rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
}
.time-slider-icon {
  font-size: 1rem;
}
.time-slider-title {
  line-height: 1;
}

.time-slider-container {
  flex: 1;
  min-width: 110px;
}

#time-slider {
  height: 4px;
}

#time-slider .noUi-connect {
  background: var(--color-brand);
}
#time-slider .noUi-target {
  background: var(--color-border);
  border: none;
  border-radius: 3px;
  box-shadow: none;
}
#time-slider .noUi-handle {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-brand);
  border: 2px solid var(--color-bg-elevated);
  box-shadow: 0 1px 2px rgba(0,0,0,.18);
  cursor: grab;
  top: -5px;
  right: -7px;
}
#time-slider .noUi-handle::before,
#time-slider .noUi-handle::after {
  display: none;
}
#time-slider .noUi-tooltip {
  display: none;
}

.time-slider-range {
  flex-shrink: 0;
  font-size: .73rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: .2rem .5rem;
  line-height: 1;
  min-width: 106px;
  text-align: center;
}

.time-slider-reset {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  flex-shrink: 0;
  border: 1px solid transparent;
}
.time-slider-reset:hover {
  background: var(--color-bg-elevated);
  border-color: var(--color-border);
  color: var(--color-text);
}
.time-slider-reset .material-symbols-outlined {
  font-size: 1rem;
}

/* ---------- Main Content Area ---------- */

.app-main {
  flex: 1;
  padding: 2rem;
  max-width: 1440px;
  width: 100%;
}

/* ---------- Footer ---------- */

.app-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-tertiary);
  padding: 2.5rem 2rem;
  margin-top: auto;
}

.footer-inner {
  max-width: 1200px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
}

.footer-brand h4 {
  margin-bottom: .5rem;
}
.footer-brand p {
  color: var(--color-text-secondary);
  font-size: .9rem;
}

.footer-contact p {
  font-size: .85rem;
  color: var(--color-text-secondary);
  margin-bottom: .25rem;
}
.footer-contact a {
  color: var(--color-brand);
}

.footer-legal {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.footer-legal a {
  font-size: .85rem;
  color: var(--color-text-secondary);
}
.footer-legal a:hover {
  color: var(--color-brand);
}

.footer-bottom {
  grid-column: 1 / -1;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: .8rem;
  color: var(--color-text-muted);
}

/* ---------- Hero Section (Home) ---------- */

.hero-section {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  background: var(--color-bg-tertiary);
  background-size: cover;
  background-position: center;
  margin-bottom: 2.5rem;
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.25);
  z-index: 0;
}
.hero-overlay {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 3rem 2.5rem;
  background: linear-gradient(to top, rgba(0,0,0,.75) 0%, rgba(0,0,0,.2) 60%, transparent 100%);
  color: #fff;
}
.hero-title {
  color: #fff;
  font-size: 2.75rem;
  margin-bottom: .5rem;
}
.hero-subtitle {
  font-size: 1.1rem;
  opacity: .9;
  max-width: 600px;
  margin-bottom: 1.25rem;
}
.hero-cta {
  display: inline-block;
  padding: .6rem 1.5rem;
  background: var(--color-brand);
  color: #fff;
  font-weight: 600;
  font-size: .9rem;
  border-radius: var(--radius-full);
  text-decoration: none;
}
.hero-cta:hover {
  text-decoration: none;
  opacity: .9;
}

/* ---------- Stats Bar ---------- */

.stats-bar {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  overflow-x: auto;
  padding-bottom: .25rem;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .75rem 1.25rem;
  background: var(--card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text);
  white-space: nowrap;
  font-weight: 600;
  font-size: .9rem;
}
.stat-card:hover {
  box-shadow: var(--card-shadow-hover);
  text-decoration: none;
  border-color: var(--color-brand);
}
.stat-icon {
  font-size: 1.3rem;
  color: var(--color-brand);
}

/* ---------- Home Collection Sections ---------- */

.home-collections {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.section-header h2 {
  margin: 0;
}
.section-description {
  color: var(--color-text-secondary);
  font-size: .9rem;
  margin: 0;
}
.section-view-all {
  margin-left: auto;
  font-size: .85rem;
  font-weight: 600;
  white-space: nowrap;
}

/* ---------- Card Grid ---------- */

.card-grid {
  display: grid;
  gap: 1.25rem;
}
.card-grid--3 {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.card-grid--4 {
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

/* ---------- Entity Card ---------- */

.entity-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.entity-card:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-2px);
}

.entity-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}
.entity-card-link:hover { text-decoration: none; }

.entity-card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--color-bg-tertiary);
  overflow: hidden;
}
.entity-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.entity-card-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}
.entity-card-placeholder .material-symbols-outlined {
  font-size: 3rem;
  opacity: .4;
}

.entity-card-body {
  padding: 1rem 1.15rem;
}

.entity-card-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: .3rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.entity-card-date {
  font-size: .8rem;
  color: var(--color-text-muted);
  margin-bottom: .4rem;
}

.entity-card-desc {
  font-size: .85rem;
  color: var(--color-text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- List View ---------- */

.list-header {
  margin-bottom: 2rem;
}
.list-header h1 {
  margin-bottom: .25rem;
}
.list-description {
  color: var(--color-text-secondary);
  font-size: .95rem;
  margin-bottom: .35rem;
}
.list-count {
  font-size: .85rem;
  color: var(--color-text-muted);
}

.list-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}

.list-search {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0 .75rem;
  height: 38px;
  background: var(--color-bg-secondary);
  flex: 0 1 260px;
}
.list-search input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  padding: .4rem .5rem;
  font-size: .9rem;
}
.list-search .btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: .25rem;
  color: var(--color-text-muted);
}
.list-search .btn-icon:hover {
  color: var(--color-brand);
}

.view-mode-toggle {
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.view-mode-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  text-decoration: none;
  color: var(--color-text-muted);
}
.view-mode-btn:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text);
  text-decoration: none;
}
.view-mode-btn.active {
  background: var(--color-brand);
  color: #fff;
}
.view-mode-btn .material-symbols-outlined {
  font-size: 1.15rem;
}

.page-size-selector {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-left: auto;
  font-size: .85rem;
  color: var(--color-text-secondary);
}
.page-size-selector select {
  padding: .3rem .5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
  font-size: .85rem;
  cursor: pointer;
}

/* ---------- Table / List View ---------- */

.list-table-wrapper {
  overflow-x: auto;
}

.list-table {
  width: 100%;
  border-collapse: collapse;
}
.list-table thead th {
  text-align: left;
  padding: .75rem 1rem;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--color-text-muted);
  border-bottom: 2px solid var(--color-border);
}

.list-table-row {
  border-bottom: 1px solid var(--color-border-light);
}
.list-table-row:hover {
  background: var(--color-bg-tertiary);
}
.list-table-row td {
  padding: .75rem 1rem;
  font-size: .9rem;
  vertical-align: middle;
}

.list-table-thumb {
  width: 60px;
}
.list-table-thumb img {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: var(--radius-md);
}
.thumb-placeholder {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
.thumb-placeholder .material-symbols-outlined {
  font-size: 1.25rem;
}

.list-item-title {
  font-weight: 600;
  color: var(--color-text);
}
.list-item-title:hover {
  color: var(--color-brand);
}
.list-item-date {
  color: var(--color-text-muted);
  white-space: nowrap;
  font-size: .85rem;
}
.list-item-desc {
  color: var(--color-text-secondary);
  font-size: .85rem;
  max-width: 400px;
}

/* ---------- Pagination ---------- */

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border-light);
}

.pagination-info {
  font-size: .85rem;
  color: var(--color-text-muted);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: .3rem;
}

.pagination-btn {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .4rem .75rem;
  font-size: .85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
}
.pagination-btn:hover {
  background: var(--color-bg-tertiary);
  border-color: var(--color-border);
  text-decoration: none;
}
.pagination-btn.active {
  background: var(--color-brand);
  color: #fff;
  border-color: var(--color-brand);
}
.pagination-btn .material-symbols-outlined {
  font-size: 1rem;
}

.pagination-ellipsis {
  padding: .4rem .3rem;
  color: var(--color-text-muted);
}

/* ---------- Breadcrumb ---------- */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .85rem;
  margin-bottom: 1.5rem;
  color: var(--color-text-muted);
}
.breadcrumb a {
  color: var(--color-text-secondary);
}
.breadcrumb a:hover {
  color: var(--color-brand);
}
.breadcrumb-sep {
  opacity: .4;
}
.breadcrumb-current {
  color: var(--color-text);
  font-weight: 500;
}

/* ---------- Detail Page ---------- */

.detail-nav {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.detail-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: .4rem .75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
}
.detail-nav-btn:hover {
  background: var(--color-bg-tertiary);
  text-decoration: none;
  border-color: var(--color-brand);
  color: var(--color-brand);
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 1.5rem;
  align-items: start;
}

.detail-layout--single {
  grid-template-columns: minmax(0, 1fr);
}

.detail-main-column {
  min-width: 0;
}

.detail-timeline-sidebar {
  position: sticky;
  top: calc(var(--navbar-height) + 1rem);
  max-height: calc(100vh - var(--navbar-height) - 1.5rem);
  border-left: 1px solid var(--color-border-light);
  padding-left: 1rem;
}

.detail-timeline-sidebar-inner {
  overflow-y: auto;
  max-height: inherit;
  padding-right: .3rem;
}

.detail-section--timeline-sidebar {
  margin-bottom: 0;
}

.detail-hero {
  display: flex;
  gap: 2rem;
  margin-bottom: 2.5rem;
  align-items: flex-start;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  background: var(--color-bg-secondary);
}
.detail-hero-image {
  flex-shrink: 0;
  width: 280px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
}
.detail-hero-image img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}
.detail-hero-image--media img {
  width: 100%;
  max-width: 100%;
  aspect-ratio: auto;
  height: auto;
  object-fit: contain;
  margin: 0;
}
.detail-hero--media {
  flex-direction: column;
  gap: 1.25rem;
}
.detail-hero--media .detail-hero-text {
  order: 1;
  width: 100%;
}
.detail-hero--media .detail-hero-image {
  order: 2;
  width: 100%;
  max-width: none;
  margin: .5rem 0 1rem;
}
.detail-hero-text {
  flex: 1;
  min-width: 0;
}

.detail-entity-badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .8rem;
  font-weight: 600;
  color: var(--color-brand);
  background: var(--color-brand-light);
  padding: .25rem .75rem;
  border-radius: var(--radius-full);
  margin-bottom: .75rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.detail-entity-badge .material-symbols-outlined {
  font-size: 1rem;
}

[data-theme="dark"] .detail-entity-badge {
  background: color-mix(in srgb, var(--color-brand) 20%, transparent);
}
[data-theme="high-contrast"] .detail-entity-badge {
  background: transparent;
  border: 2px solid var(--color-brand);
}

.detail-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  margin-top: .5rem;
}

.detail-subtitle > *:first-child {
  margin-top: 0;
}

.detail-subtitle > *:last-child {
  margin-bottom: 0;
}

.detail-section {
  margin-bottom: 2.5rem;
}

.section-title {
  font-size: 1.35rem;
  margin-bottom: 1rem;
  padding-bottom: .5rem;
  border-bottom: 2px solid var(--color-border);
}

.detail-description {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
  max-width: 800px;
}

.detail-description > *:first-child {
  margin-top: 0;
}

.detail-description > *:last-child {
  margin-bottom: 0;
}

/* ---------- Metadata Grid ---------- */

.metadata-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.metadata-item {
  padding: .75rem 0;
  border-bottom: 1px solid var(--color-border-light);
}
.metadata-item dt {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--color-text-muted);
  margin-bottom: .25rem;
}
.metadata-item dd {
  font-size: .9rem;
  color: var(--color-text);
  word-break: break-word;
}

/* Nested meta (from render_value filter) */
.meta-list { margin: 0; }
.meta-row { display: flex; gap: .5rem; margin-bottom: .15rem; }
.meta-label { font-weight: 600; font-size: .8rem; color: var(--color-text-muted); min-width: 100px; }
.meta-value { font-size: .85rem; }
.meta-list-items { list-style: disc; padding-left: 1.25rem; font-size: .85rem; }

/* ---------- Timeline ---------- */

.timeline {
  position: relative;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-entry {
  position: relative;
  padding-bottom: 1.75rem;
}
.timeline-entry:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -2rem;
  top: .35rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-brand);
  border: 3px solid var(--color-bg);
  z-index: 1;
}

.timeline-content {
  padding-left: .5rem;
}

.timeline-date {
  font-family: 'Playfair Display', serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: .15rem;
}

.timeline-label {
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--color-text-muted);
  margin-bottom: .25rem;
}

.timeline-link {
  display: inline-block;
  font-size: .9rem;
  font-weight: 500;
  color: var(--color-brand);
  margin-bottom: .15rem;
}
.timeline-link:hover {
  text-decoration: underline;
}
.timeline-link-text {
  font-size: .9rem;
  color: var(--color-text-secondary);
}

.timeline-desc {
  font-size: .85rem;
  color: var(--color-text-secondary);
  margin: 0;
}

.timeline--compact {
  padding-left: 1.4rem;
}

.timeline--compact::before {
  left: 4px;
}

.timeline--compact .timeline-entry {
  padding-bottom: 1.15rem;
}

.timeline--compact .timeline-marker {
  left: -1.4rem;
  width: 10px;
  height: 10px;
}

.timeline--compact .timeline-date {
  font-size: .9rem;
}

.timeline--compact .timeline-label {
  font-size: .72rem;
}

.timeline--compact .timeline-link,
.timeline--compact .timeline-link-text {
  font-size: .82rem;
}

.timeline--compact .timeline-desc {
  font-size: .78rem;
}

/* ---------- Relation Groups ---------- */

.relation-group {
  margin-bottom: 1.5rem;
}

.relation-group-title {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: .75rem;
}
.relation-group-title .material-symbols-outlined {
  font-size: 1.2rem;
  color: var(--color-brand);
}
.relation-count {
  font-size: .8rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.relation-cards {
  display: flex;
  gap: .75rem;
  overflow-x: auto;
  padding-bottom: .5rem;
  scroll-snap-type: x mandatory;
}

.relation-card {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .6rem .85rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text);
  white-space: nowrap;
  min-width: 180px;
  scroll-snap-align: start;
  flex-shrink: 0;
}
.relation-card:hover {
  border-color: var(--color-brand);
  box-shadow: var(--card-shadow);
  text-decoration: none;
}

.relation-card-thumb {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  object-fit: cover;
  flex-shrink: 0;
}
.relation-card-icon {
  font-size: 1.5rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}
.relation-card-title {
  font-size: .85rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

/* ---------- Tags ---------- */

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.tag-badge {
  display: inline-flex;
  align-items: center;
  padding: .3rem .75rem;
  font-size: .8rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--tag-color, var(--color-brand)) 15%, var(--color-bg-secondary));
  color: var(--tag-color, var(--color-brand));
  border: 1px solid color-mix(in srgb, var(--tag-color, var(--color-brand)) 30%, transparent);
}

[data-theme="high-contrast"] .tag-badge {
  background: transparent;
  border: 2px solid var(--tag-color, var(--color-brand));
  color: var(--color-text);
}

/* ---------- Media Gallery ---------- */

.media-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.media-gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-tertiary);
}
.media-gallery-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.media-gallery-img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: clamp(180px, 35vh, 320px);
  height: auto;
  object-fit: contain;
  cursor: pointer;
  margin: 0 auto;
}
.media-gallery-img:hover {
  opacity: .9;
}

.media-gallery-file {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: 1rem;
  color: var(--color-brand);
  font-size: .9rem;
  font-weight: 500;
}

.media-gallery-caption {
  padding: .5rem .75rem;
  font-size: .8rem;
  color: var(--color-text-secondary);
}

/* ---------- Collection Slideshow ---------- */

.collection-slideshow {
  position: relative;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: linear-gradient(145deg, var(--color-bg-secondary), var(--color-bg-tertiary));
  padding: 1rem 3.5rem 1rem;
  overflow: hidden;
}

.collection-track-wrap {
  overflow: hidden;
}

.collection-track {
  display: flex;
  width: 100%;
  transition: transform var(--dur-slow) var(--ease);
}

.collection-slide {
  min-width: 100%;
  display: grid;
  gap: .75rem;
  align-content: start;
}

.collection-slide-header {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: var(--color-brand);
  text-decoration: none;
  font-weight: 600;
  width: fit-content;
}

.collection-slide-header:hover {
  text-decoration: underline;
}

.collection-slide-media {
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--color-bg) 65%, black 2%);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.collection-slide-media img,
.collection-slide-media video {
  width: 100%;
  max-height: min(68vh, 680px);
  object-fit: contain;
  background: #0e0e0e;
}

.collection-audio-wrap,
.collection-empty-media {
  width: 100%;
  min-height: 200px;
  display: grid;
  place-items: center;
  gap: .6rem;
  padding: 1rem;
}

.collection-media-icon {
  font-size: 2rem;
  color: var(--color-brand);
}

.collection-file-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .8rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-brand);
  color: var(--color-brand);
  text-decoration: none;
  font-weight: 600;
}

.collection-file-link:hover {
  background: color-mix(in srgb, var(--color-brand) 10%, transparent);
}

.collection-slide-description {
  color: var(--color-text-secondary);
  margin: 0;
}

.collection-slide-rights {
  margin: 0;
  font-size: .85rem;
  color: var(--color-text-muted);
}

.collection-slide-rights a {
  color: var(--color-brand);
}

.collection-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  color: var(--color-text);
  cursor: pointer;
  display: grid;
  place-items: center;
  z-index: 2;
}

.collection-nav[disabled] {
  cursor: default;
  opacity: .4;
}

.collection-nav-prev { left: .75rem; }
.collection-nav-next { right: .75rem; }

.collection-indicators {
  margin-top: .75rem;
  display: flex;
  gap: .4rem;
  overflow-x: auto;
  padding-bottom: .35rem;
}

.collection-indicator {
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  display: grid;
  place-items: center;
  cursor: pointer;
  overflow: hidden;
}

.collection-indicator img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.collection-indicator.active {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 1px var(--color-brand);
}

.collection-empty-state {
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: .75rem;
  color: var(--color-text-secondary);
}

/* ---------- Rights Info ---------- */

.detail-rights {
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.detail-rights .section-title {
  border-bottom: none;
  padding-bottom: 0;
  font-size: 1.1rem;
}

.rights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: .75rem;
}
.rights-item {
  font-size: .85rem;
}
.rights-item dt {
  font-weight: 700;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--color-text-muted);
  margin-bottom: .15rem;
}
.rights-item dd {
  color: var(--color-text-secondary);
}
.rights-item a {
  color: var(--color-brand);
}

/* ---------- Search Page ---------- */

.search-header {
  margin-bottom: 2rem;
}
.search-header h1 {
  margin-bottom: 1rem;
}

.search-form {
  margin-bottom: 1rem;
}
.search-input-large {
  display: flex;
  align-items: center;
  gap: .5rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: .5rem 1.25rem;
  max-width: 600px;
  background: var(--color-bg-secondary);
}
.search-input-large:focus-within {
  border-color: var(--color-brand);
}
.search-input-large .material-symbols-outlined {
  font-size: 1.3rem;
  color: var(--color-text-muted);
}
.search-input-large input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-size: 1.05rem;
  padding: .3rem 0;
}

.search-results-count {
  font-size: .9rem;
  color: var(--color-text-muted);
}

.search-group {
  margin-bottom: 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.search-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  cursor: pointer;
  background: var(--color-bg-secondary);
  user-select: none;
}
.search-group-header:hover {
  background: var(--color-bg-tertiary);
}
.search-group-header h2 {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: 1.15rem;
  margin: 0;
}
.search-group-header .material-symbols-outlined {
  font-size: 1.3rem;
}
.search-group-count {
  font-size: .85rem;
  font-weight: 400;
  color: var(--color-text-muted);
}
.search-group-chevron {
  color: var(--color-text-muted);
}

.search-group-body {
  padding: 1.25rem;
}

.search-group-more {
  display: inline-block;
  margin-top: 1rem;
  font-size: .9rem;
  font-weight: 600;
}

/* ---------- Empty State ---------- */

.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--color-text-muted);
}
.empty-state .material-symbols-outlined {
  font-size: 3.5rem;
  opacity: .4;
  margin-bottom: 1rem;
  display: block;
}
.empty-state p {
  font-size: 1.05rem;
}

/* ---------- Detail Map ---------- */

.detail-map {
  width: 100%;
  height: 350px;
  border-radius: var(--radius-lg);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
}

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .app-sidebar {
    transform: translateX(-100%);
    width: 280px;
  }
  .app-sidebar.mobile-open {
    transform: translateX(0);
  }
  .app-sidebar.collapsed {
    width: 280px;
    transform: translateX(-100%);
  }
  .app-sidebar.collapsed.mobile-open {
    transform: translateX(0);
  }
  .app-sidebar.collapsed .sidebar-label,
  .app-sidebar.collapsed .sidebar-section-label,
  .app-sidebar.collapsed .sidebar-header-text {
    display: initial;
  }
  .app-sidebar.collapsed .sidebar-link {
    justify-content: flex-start;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .app-content-wrapper {
    margin-left: 0;
  }
  .app-sidebar.collapsed ~ .app-content-wrapper {
    margin-left: 0;
  }

  .navbar-mobile-toggle {
    display: flex;
  }

  .sidebar-collapse-btn {
    display: none;
  }

  .time-slider-wrapper {
    display: none;
  }

  .detail-hero {
    flex-direction: column;
  }
  .detail-hero-image {
    width: 100%;
    max-width: 400px;
  }
  .detail-hero--media .detail-hero-image {
    max-width: none;
  }

  .detail-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .detail-timeline-sidebar {
    position: static;
    max-height: none;
    border-left: 0;
    border-top: 1px solid var(--color-border-light);
    padding-left: 0;
    padding-top: 1.25rem;
  }

  .detail-timeline-sidebar-inner {
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }

  .collection-slide-media {
    min-height: 280px;
  }
}

@media (max-width: 768px) {
  .app-main {
    padding: 1.25rem;
  }
  .app-navbar {
    padding: 0 1rem;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.4rem; }

  .hero-title { font-size: 2rem; }
  .hero-section { min-height: 240px; }

  .stats-bar { gap: .6rem; }
  .stat-card { padding: .5rem .75rem; font-size: .8rem; }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .list-controls {
    flex-direction: column;
    align-items: stretch;
  }
  .list-search {
    flex: 1;
  }
  .page-size-selector {
    margin-left: 0;
  }

  .metadata-grid {
    grid-template-columns: 1fr;
  }

  .collection-slideshow {
    padding: .8rem 2.6rem .8rem;
  }

  .collection-nav {
    width: 2rem;
    height: 2rem;
  }

  .collection-nav-prev { left: .35rem; }
  .collection-nav-next { right: .35rem; }
}

@media (max-width: 480px) {
  .app-main {
    padding: 1rem;
  }
  .card-grid--3,
  .card-grid--4 {
    grid-template-columns: 1fr;
  }

  .navbar-search {
    flex: 1;
  }
  .navbar-lang-switcher {
    display: none;
  }
}