/* ============================================================
   CREATIVE COMMONS ASSET FINDER — INSTITUTIONAL DESIGN SYSTEM
   ============================================================ */

:root {
  --font-serif:  'EB Garamond', Georgia, 'Times New Roman', serif;
  --font-sans:   'Source Sans 3', 'Helvetica Neue', Arial, sans-serif;

  --color-bg:          #FDFCF8;
  --color-bg-alt:      #F5F2EB;
  --color-bg-card:     #FFFFFF;
  --color-text:        #1A1916;
  --color-text-muted:  #6B6760;
  --color-text-light:  #A09C95;
  --color-accent:      #7C5C2A;
  --color-accent-lt:   #A07840;
  --color-border:      #D8D3CA;
  --color-border-lt:   #EAE6DF;
  --color-nav:         #1A1916;
  --color-nav-text:    #F0EDE6;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 6px;

  --shadow-card:       0 1px 4px rgba(26,25,22,.07), 0 2px 12px rgba(26,25,22,.05);
  --shadow-card-hover: 0 4px 20px rgba(26,25,22,.14);
  --transition: .2s ease;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

p { color: var(--color-text-muted); line-height: 1.75; margin-bottom: 1rem; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: -.01em;
  line-height: 1.2;
}

h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.35rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; margin-bottom: .75rem; }
h6 { font-family: var(--font-sans); font-size: .875rem; font-weight: 600; }

/* ── Navigation ── */
.navbar {
  background: var(--color-nav) !important;
  padding: 1.125rem 0;
  border-bottom: 1px solid rgba(240,237,230,.07);
}

.navbar-toggler {
  border: 1px solid rgba(240,237,230,.45);
  padding: .3125rem .5625rem;
  border-radius: var(--radius-sm);
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 2px rgba(240,237,230,.3);
  outline: none;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(240,237,230,0.95)' stroke-width='2.5' stroke-linecap='round' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

.navbar-brand {
  font-family: var(--font-serif);
  font-size: 1.1875rem;
  font-weight: 400;
  color: var(--color-nav-text) !important;
  letter-spacing: .03em;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(240,237,230,.65) !important;
  padding: .25rem 1rem !important;
  position: relative;
  transition: color var(--transition);
}

.nav-link:hover,
.nav-link.active { color: var(--color-nav-text) !important; }

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 1rem; right: 1rem;
  height: 1px;
  background: var(--color-accent-lt);
}

/* ── Page Layout ── */
.page-content { min-height: calc(100vh - 180px); }

/* ── Hero (index.html) ── */
.hero {
  padding: 5.5rem 0 4.5rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border-lt);
}

.hero-eyebrow {
  display: block;
  font-family: var(--font-sans);
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 1.25rem;
  line-height: 1.12;
}

.hero-description {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
}

.btn-hero {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #fff;
  background: var(--color-text);
  border: none;
  border-radius: var(--radius-md);
  padding: .9375rem 2.75rem;
  cursor: pointer;
  transition: background var(--transition);
  text-decoration: none;
}

.btn-hero:hover {
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
}

/* ── Content Card (index, about) ── */
.content-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-lt);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2.75rem;
  box-shadow: var(--shadow-card);
}

/* ── Search Page Header ── */
.search-header {
  padding: 3rem 0 0;
  text-align: center;
  margin-bottom: 0;
}

.search-eyebrow {
  display: block;
  font-family: var(--font-sans);
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: .75rem;
}

.search-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: .5rem;
}

.search-subtitle {
  font-size: .9375rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

/* ── Search Form ── */
.search-form-wrap {
  max-width: 600px;
  margin: 0 auto 0;
}

.search-input-group {
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
  background: #fff;
}

.search-input-group:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(124,92,42,.1);
}

.search-input {
  flex: 1;
  border: none;
  padding: .8125rem 1.25rem;
  font-family: var(--font-sans);
  font-size: .9375rem;
  color: var(--color-text);
  background: transparent;
  outline: none;
  min-width: 0;
}

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

.search-btn {
  padding: .8125rem 1.75rem;
  background: var(--color-accent);
  color: #fff;
  border: none;
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.search-btn:hover { background: var(--color-accent-lt); }

/* ── Filter Bar ── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 0 1.25rem;
  border-bottom: 1px solid var(--color-border-lt);
  margin-bottom: 1.75rem;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: .625rem;
}

.filter-label {
  font-size: .625rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* ── Media Type Pills ── */
.type-pills {
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.type-pills input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.type-pill-label {
  padding: .3125rem .875rem;
  font-size: .75rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: #fff;
  cursor: pointer;
  border-right: 1px solid var(--color-border);
  transition: background var(--transition), color var(--transition);
  user-select: none;
  white-space: nowrap;
  line-height: 1.5;
}

.type-pill-label:last-of-type { border-right: none; }

.type-pills input[type="radio"]:checked + .type-pill-label {
  background: var(--color-accent);
  color: #fff;
}

.type-pill-label:hover { background: var(--color-bg-alt); }

.type-pills input[type="radio"]:checked + .type-pill-label:hover {
  background: var(--color-accent);
}

/* ── Filter Selects ── */
.filter-select {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: .3125rem 2rem .3125rem .75rem;
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 500;
  color: var(--color-text);
  background-color: #fff;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%236B6760'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .625rem center;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.filter-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(124,92,42,.1);
}

/* ── Status Bar ── */
.status-bar {
  font-size: .8125rem;
  color: var(--color-text-muted);
  letter-spacing: .02em;
  min-height: 1.5rem;
  margin-bottom: 1.25rem;
  text-align: center;
}

/* ── Results Grid ── */
#results.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* ── Asset Card ── */
.asset-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-lt);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}

.asset-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.asset-thumb {
  width: 100%;
  height: 210px;
  object-fit: cover;
  background: var(--color-bg-alt);
  display: block;
}

video.asset-thumb { object-fit: contain; background: #111; }

.asset-audio-wrap {
  background: var(--color-bg-alt);
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--color-border-lt);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 72px;
}

.asset-audio-wrap audio { width: 100%; }

.asset-body {
  padding: 1rem 1.125rem 1.125rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.asset-badge {
  display: inline-block;
  font-size: .5625rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: .125rem .5rem;
  width: fit-content;
  line-height: 1.5;
}

.asset-title {
  font-family: var(--font-serif);
  font-size: .9375rem;
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.4;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.asset-date {
  font-size: .8125rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin: -.125rem 0 0;
  line-height: 1.4;
}

/* ── Metadata Toggle Button ── */
.metadata-toggle {
  appearance: none;
  -webkit-appearance: none;
  display: flex;
  align-items: center;
  gap: .375rem;
  width: 100%;
  margin-top: auto;
  padding: .75rem 0 0;
  border: none;
  border-top: 1px solid var(--color-border-lt);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  font-family: var(--font-sans);
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  cursor: pointer;
  text-align: left;
  user-select: none;
  transition: color var(--transition);
}

.metadata-toggle:hover { color: var(--color-accent); }

.metadata-toggle .toggle-arrow {
  display: inline-block;
  font-size: .5625rem;
  line-height: 1;
  transition: transform .2s;
  flex-shrink: 0;
}

.metadata-toggle[aria-expanded="true"] .toggle-arrow { transform: rotate(90deg); }

.metadata-panel {
  margin-top: .875rem;
  padding-top: .875rem;
  border-top: 1px solid var(--color-border-lt);
}

/* ── Dublin Core Rows ── */
.dc-row {
  display: flex;
  gap: .625rem;
  margin-bottom: .5rem;
  font-size: .8125rem;
  line-height: 1.5;
  align-items: baseline;
}

.dc-term {
  font-size: .5625rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--color-accent);
  min-width: 94px;
  flex-shrink: 0;
  padding-top: .1875rem;
}

.dc-value {
  color: var(--color-text);
  word-break: break-word;
}

.dc-value a {
  color: var(--color-accent);
  word-break: break-all;
}

/* ── Pagination ── */
.pagination-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--color-border-lt);
}

.page-indicator {
  font-size: .8125rem;
  color: var(--color-text-muted);
  letter-spacing: .04em;
}

.pagination { gap: .25rem; margin: 0; }

.page-item .page-link {
  font-family: var(--font-sans);
  font-size: .8125rem;
  color: var(--color-text-muted);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm) !important;
  padding: .375rem .75rem;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.page-item .page-link:hover {
  background: var(--color-bg-alt);
  color: var(--color-text);
  border-color: var(--color-border);
}

.page-item.active .page-link {
  background: var(--color-accent) !important;
  border-color: var(--color-accent) !important;
  color: #fff !important;
  box-shadow: none;
}

.page-item.disabled .page-link {
  background: transparent;
  color: var(--color-text-light);
  border-color: var(--color-border-lt);
}

/* ── Load More ── */
.load-more-wrap { text-align: center; margin-top: 1.25rem; }

.btn-load-more {
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: transparent;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: .6875rem 2.25rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.btn-load-more:hover {
  background: var(--color-accent);
  color: #fff;
}

.btn-load-more:disabled {
  opacity: .5;
  cursor: not-allowed;
}

/* ── Footer ── */
footer {
  background: var(--color-bg-alt) !important;
  border-top: 1px solid var(--color-border) !important;
  padding: 2rem 0 !important;
}

.footer-text {
  font-size: .8125rem;
  color: var(--color-text-muted);
  letter-spacing: .02em;
}

/* ── Search Field Selector ── */
.search-form-wrap { max-width: 680px; margin: 0 auto; }

.search-field-select {
  flex-shrink: 0;
  border: none;
  background: #fff;
  font-family: var(--font-sans);
  font-size: .8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  padding: .8125rem .375rem .8125rem 1rem;
  cursor: pointer;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%236B6760'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .5rem center;
  padding-right: 1.375rem;
  min-width: 118px;
  max-width: 140px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-field-select:focus { outline: none; }

.search-field-divider {
  width: 1px;
  background: var(--color-border);
  align-self: stretch;
  margin: .5rem 0;
  flex-shrink: 0;
}

/* ── Mobile Filter Toggle ── */
.filter-toggle-wrap {
  padding: .875rem 0 0;
  display: none;
}

.filter-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: .5rem 1rem;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

.filter-toggle-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ── Sidebar Overlay ── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(26,25,22,.45);
  z-index: 900;
  backdrop-filter: blur(2px);
}

.sidebar-overlay.active { display: block; }

/* ── Browse Layout ── */
.browse-layout {
  display: grid;
  grid-template-columns: 268px 1fr;
  gap: 2.25rem;
  align-items: start;
  padding-top: 1.75rem;
}

/* ── Filter Sidebar ── */
.filter-sidebar {
  position: sticky;
  top: 1.5rem;
  max-height: calc(100vh - 3rem);
  overflow-y: auto;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-lt);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .875rem 1.125rem;
  border-bottom: 1px solid var(--color-border-lt);
  background: var(--color-bg-alt);
  position: sticky;
  top: 0;
  z-index: 1;
}

.sidebar-title {
  font-family: var(--font-sans);
  font-size: .625rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.sidebar-close {
  display: none;
  appearance: none;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  padding: .25rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}

.sidebar-close:hover { color: var(--color-text); }

/* ── Filter Section Accordion ── */
.filter-section {
  border-bottom: 1px solid var(--color-border-lt);
}

.filter-section:last-of-type { border-bottom: none; }

.filter-section-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: .8125rem 1.125rem;
  background: transparent;
  border: none;
  font-family: var(--font-sans);
  font-size: .8125rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  text-align: left;
  transition: background var(--transition);
  letter-spacing: .01em;
}

.filter-section-toggle:hover { background: var(--color-bg-alt); }

.toggle-icon {
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: transform .2s ease;
}

.filter-section.open .toggle-icon { transform: rotate(180deg); }

.filter-section-body {
  padding: .625rem 1.125rem .875rem;
  display: flex;
  flex-direction: column;
  gap: .625rem;
}

.filter-section-note {
  font-size: .6875rem;
  color: var(--color-text-light);
  letter-spacing: .03em;
  margin: 0 0 .25rem;
  font-style: italic;
}

/* ── Filter Fields ── */
.filter-field {
  display: flex;
  flex-direction: column;
  gap: .3125rem;
}

.filter-field--spaced { margin-top: .375rem; }

.filter-field-label {
  font-family: var(--font-sans);
  font-size: .5625rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.filter-input {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: .4375rem .75rem;
  font-family: var(--font-sans);
  font-size: .8125rem;
  color: var(--color-text);
  background: #fff;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  line-height: 1.5;
}

.filter-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(124,92,42,.1);
}

.filter-input::placeholder { color: var(--color-text-light); }

select.filter-input {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%236B6760'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .625rem center;
  padding-right: 1.75rem;
  cursor: pointer;
}

input[type="number"].filter-input {
  -moz-appearance: textfield;
}

input[type="number"].filter-input::-webkit-outer-spin-button,
input[type="number"].filter-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

.filter-year-range {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .625rem;
}

/* ── Filter Checkboxes ── */
.filter-checkbox-label {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-sans);
  font-size: .8125rem;
  color: var(--color-text);
  cursor: pointer;
  user-select: none;
  line-height: 1.4;
}

.filter-checkbox-label input[type="checkbox"] {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  accent-color: var(--color-accent);
  cursor: pointer;
  margin: 0;
}

/* ── Sidebar Footer ── */
.sidebar-footer {
  padding: .875rem 1.125rem;
  border-top: 1px solid var(--color-border-lt);
  background: var(--color-bg-alt);
}

.btn-clear-filters {
  width: 100%;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: .4375rem .75rem;
  font-family: var(--font-sans);
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

.btn-clear-filters:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ── Results Top Bar ── */
.results-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  justify-content: space-between;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-border-lt);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .filter-bar { gap: .875rem; }
  #results.results-grid { grid-template-columns: 1fr 1fr; gap: .75rem; }
  .content-card { padding: 1.5rem 1.25rem; }
  .hero { padding: 3.5rem 0 3rem; }
  .search-header { padding: 2rem 0 0; }
}

@media (max-width: 1024px) {
  .browse-layout {
    grid-template-columns: 1fr;
  }

  .filter-toggle-wrap { display: block; }

  .filter-sidebar {
    position: fixed;
    top: 0;
    left: -100%;
    width: 300px;
    max-width: 85vw;
    max-height: 100vh;
    height: 100vh;
    border-radius: 0;
    z-index: 950;
    transition: left .28s ease;
    box-shadow: 4px 0 24px rgba(26,25,22,.18);
  }

  .filter-sidebar.open { left: 0; }

  .sidebar-close { display: block; }
}

/* ════════════════════════════════════════════
   WCAG ACCESSIBILITY
   ════════════════════════════════════════════ */

/* Skip navigation link — visible only on focus */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: .75rem 1.5rem;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-sans);
  font-size: .875rem;
  font-weight: 700;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  text-decoration: none;
  transition: top .1s ease;
}

.skip-link:focus { top: 0; color: #fff; text-decoration: none; }

/* Visually hidden but available to screen readers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Global focus-visible ring ── */
/* Suppresses mouse-click outlines but preserves keyboard focus */
:focus:not(:focus-visible) { outline: none; }

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* On dark nav background use a light ring */
.navbar :focus-visible {
  outline-color: var(--color-nav-text);
}

/* Search & hero buttons: ring on gold/dark surface → white */
.search-btn:focus-visible,
.btn-hero:focus-visible,
.btn-load-more:focus-visible {
  outline: 3px solid var(--color-text);
  outline-offset: 2px;
}

/* Radio pill keyboard focus — outline the visible label */
.type-pills input[type="radio"]:focus-visible + .type-pill-label {
  outline: 3px solid var(--color-accent);
  outline-offset: -2px;
  position: relative;
  z-index: 1;
}

/* Metadata toggle keyboard focus */
.metadata-toggle:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Filter selects already show border+shadow on focus; ensure ring too */
.filter-select:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* Pagination focus */
.page-item .page-link:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
  z-index: 1;
}

/* h3 inside asset cards: reset browser margin so .asset-title spacing holds */
h3.asset-title { margin-bottom: 0; }

/* ── Quick Filters (pre-search bar) ──────────────────────────────── */

.quick-filters {
  max-width: 680px;
  margin: 1.25rem auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: .875rem 1.25rem;
  align-items: center;
  padding: 1rem 0 .75rem;
  border-top: 1px solid var(--color-border-lt);
}

.quick-filter-group {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.quick-filter-label {
  font-size: .625rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.quick-date-range {
  display: flex;
  align-items: center;
  gap: .375rem;
}

.quick-date-sep {
  color: var(--color-text-muted);
  font-size: .875rem;
  line-height: 1;
}

.quick-filter-input {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: .3125rem .625rem;
  font-family: var(--font-sans);
  font-size: .8125rem;
  color: var(--color-text);
  background: #fff;
  outline: none;
  width: 76px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.quick-filter-input--text { width: 130px; }

.quick-filter-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(124,92,42,.1);
}

.quick-filter-input::placeholder { color: var(--color-text-light); }

input[type="number"].quick-filter-input { -moz-appearance: textfield; }
input[type="number"].quick-filter-input::-webkit-outer-spin-button,
input[type="number"].quick-filter-input::-webkit-inner-spin-button { -webkit-appearance: none; }

/* ── Results topbar with status ───────────────────────────────────── */

.results-topbar {
  justify-content: space-between;
  align-items: center;
}

.results-topbar .status-bar {
  text-align: left;
  margin-bottom: 0;
  flex: 1;
}

/* ── Sidebar show / hide ──────────────────────────────────────────── */

.filter-sidebar { display: none; }

.filter-sidebar.sidebar-visible { display: block; }

/* ── Browse layout: single column until sidebar is shown ─────────── */
/* Overrides the 268px 1fr default set earlier in this file */
.browse-layout { grid-template-columns: 1fr; }

.browse-layout.sidebar-visible { grid-template-columns: 268px 1fr; }

/* ── Filter fieldset (reset browser defaults) ────────────────────── */

.filter-fieldset {
  border: none;
  padding: 0;
  margin: 0 0 .125rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.filter-fieldset legend {
  width: 100%;
  padding: 0;
  font-size: .5625rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ── Media-type section in sidebar: no extra spacing ─────────────── */

.filter-section--media-type .filter-section-body {
  padding-bottom: 1rem;
}

/* ── Responsive ───────────────────────────────────────────────────── */

@media (max-width: 1024px) {
  /* Override the unconditional display:block from earlier responsive block */
  .filter-toggle-wrap { display: none; }
  .filter-toggle-wrap.sidebar-visible { display: block; }

  /* Mobile sidebar: off-screen until opened, but rendered once sidebar-visible */
  .filter-sidebar.sidebar-visible {
    display: block;
    position: fixed;
    top: 0;
    left: -100%;
    width: 300px;
    max-width: 85vw;
    max-height: 100vh;
    height: 100vh;
    border-radius: 0;
    z-index: 950;
    transition: left .28s ease;
    box-shadow: 4px 0 24px rgba(26,25,22,.18);
  }

  .filter-sidebar.sidebar-visible.open { left: 0; }

  .browse-layout.sidebar-visible { grid-template-columns: 1fr; }

  .quick-filters { padding: .875rem 0 .5rem; gap: .75rem; }
}

/* ── Query expansion hint ──────────────────────────────────────── */

.expansion-hint {
  font-size: .8125rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: .875rem;
  line-height: 1.5;
}

.expansion-hint mark {
  background: none;
  color: var(--color-accent);
  font-style: normal;
  font-weight: 600;
}

/* ── Record Dialog (modal) ─────────────────────────────────────── */

.record-dialog {
  border: none;
  border-radius: var(--radius-lg);
  padding: 0;
  background: var(--color-bg-card);
  box-shadow: 0 8px 48px rgba(26,25,22,.22), 0 2px 16px rgba(26,25,22,.1);
  width: min(700px, 92vw);
  max-height: 88vh;
  overflow: hidden;
}

.record-dialog[open] {
  display: flex;
  flex-direction: column;
}

.record-dialog::backdrop {
  background: rgba(26,25,22,.6);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

.record-dialog-inner {
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  max-height: 88vh;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.record-dialog-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 1.25rem;
  border-bottom: 1px solid var(--color-border-lt);
  background: var(--color-bg-alt);
  position: sticky;
  top: 0;
  z-index: 1;
  flex-shrink: 0;
}

.record-dialog-badge {
  font-size: .5625rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: .125rem .5rem;
  line-height: 1.5;
}

.record-dialog-close {
  appearance: none;
  -webkit-appearance: none;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.125rem;
  line-height: 1;
  cursor: pointer;
  padding: .375rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}

.record-dialog-close:hover { color: var(--color-text); }

.record-dialog-title {
  font-family: var(--font-serif);
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: 400;
  color: var(--color-text);
  padding: 1.25rem 1.5rem .625rem;
  margin: 0;
  line-height: 1.3;
  flex-shrink: 0;
}

.record-dialog-media {
  padding: 0 1.5rem 1rem;
  flex-shrink: 0;
}

.record-dialog-media img {
  width: 100%;
  max-height: 340px;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  display: block;
}

.record-dialog-media video {
  width: 100%;
  max-height: 340px;
  border-radius: var(--radius-md);
  background: #111;
  display: block;
}

.record-dialog-media .asset-audio-wrap {
  border-radius: var(--radius-md);
  margin: 0;
}

.record-dialog-meta {
  padding: 1rem 1.5rem 1.25rem;
  border-top: 1px solid var(--color-border-lt);
}

.record-dialog-meta .dc-term { min-width: 130px; }

.record-dialog-ft {
  padding: .875rem 1.5rem;
  border-top: 1px solid var(--color-border-lt);
  background: var(--color-bg-alt);
  flex-shrink: 0;
  position: sticky;
  bottom: 0;
}

.record-dialog-wikimedia {
  font-family: var(--font-sans);
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

.record-dialog-wikimedia:hover {
  color: var(--color-accent-lt);
  text-decoration: underline;
}

@media (max-width: 768px) {
  .record-dialog {
    position: fixed;
    inset: 0;
    width: 100%;
    max-width: 100%;
    height: 100%;
    max-height: 100%;
    border-radius: 0;
    margin: 0;
  }

  .record-dialog-inner { max-height: 100%; }

  .record-dialog-title {
    font-size: 1.125rem;
    padding: 1rem 1rem .625rem;
  }

  .record-dialog-media { padding: 0 1rem .875rem; }

  .record-dialog-meta { padding: .875rem 1rem 1.25rem; }

  .record-dialog-ft { padding: .875rem 1rem; }
}

/* ── Mobile: Quick Filters card + compact grid + sort fix (≤ 768px) ── */

@media (max-width: 768px) {

  /* ── Quick Filters: card container with section dividers ── */
  .quick-filters {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0;
    border: 1px solid var(--color-border-lt);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    background: var(--color-bg-card);
    overflow: hidden;
    margin-top: 1rem;
  }

  /* Each filter group is a padded section with a divider */
  .quick-filter-group {
    flex-direction: column;
    align-items: stretch;
    gap: .5rem;
    width: 100%;
    padding: .875rem 1rem;
    border-bottom: 1px solid var(--color-border-lt);
  }

  .quick-filter-group:last-child { border-bottom: none; }

  /* Type pills row: keep horizontal, fill full width */
  .quick-filter-group[role="group"] {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    padding: .75rem 1rem;
  }

  .quick-filter-group[role="group"] .type-pills { width: 100%; }

  /* Each pill takes equal share */
  .type-pill-label {
    flex: 1;
    text-align: center;
  }

  /* Date range: label above, two inputs side by side */
  .quick-date-range {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: .375rem;
    width: 100%;
  }

  .quick-filter-input { width: 100%; }

  /* Location: label above, full-width input */
  .quick-filter-input--text { width: 100%; }

  /* ── Compact asset cards for two-column layout ── */
  .asset-thumb { height: 130px; }

  .asset-body {
    padding: .625rem .75rem .875rem;
    gap: .375rem;
  }

  .asset-title { font-size: .875rem; }

  /* ── Sort / results topbar: stack status then sort ── */
  .results-topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: .5rem;
  }

  .results-topbar .status-bar {
    flex: none;
    width: 100%;
    margin-bottom: 0;
    text-align: left;
  }

  .results-topbar .filter-group {
    width: 100%;
    justify-content: space-between;
  }
}

/* Very narrow phones: 2-col cards crush audio controls and text — go 1-col */
@media (max-width: 480px) {
  #results.results-grid { grid-template-columns: 1fr; }
  .asset-thumb { height: 200px; }
  .asset-title { font-size: 1rem; }
}

/* ── Type sub-filter panel (nested inside Media Type accordion) ── */

.filter-sub-panel {
  margin-top: .75rem;
  padding-top: .75rem;
  border-top: 1px solid var(--color-border-lt);
}

/* ── New Search button (sidebar footer) ─────────────────────── */

.btn-new-search {
  display: block;
  width: 100%;
  margin-top: .5rem;
  padding: .4375rem 1rem;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}
.btn-new-search:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ── Empty state ─────────────────────────────────────────────── */

.empty-state {
  grid-column: 1 / -1;
  padding: 3rem 1.5rem;
  text-align: center;
}
.empty-state-msg {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  color: var(--color-text);
  margin-bottom: .5rem;
}
.empty-state-hint {
  font-size: .9375rem;
  color: var(--color-text-muted);
}
.empty-state-link {
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
  font-size: inherit;
  color: var(--color-accent);
  cursor: pointer;
  text-decoration: underline;
}
.empty-state-link:hover {
  color: var(--color-accent-lt);
}

/* ============================================================
   BROWSE-BY-TOPIC INLINE PANEL
   ============================================================ */

.browse-topics-launcher {
  margin: 1.25rem 0 0;
}

/* ── Trigger button (full-width, toggles inline panel) ──────── */
.btn-browse-topics {
  display: flex;
  align-items: center;
  gap: .625rem;
  width: 100%;
  padding: .75rem 1rem;
  background: var(--color-bg-card);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .02em;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
}
.btn-browse-topics:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-accent);
}
.btn-browse-topics:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}
.btn-browse-topics-icon { color: var(--color-accent); flex-shrink: 0; }
.btn-browse-topics-label { flex: 1; min-width: 0; }
.btn-browse-topics-chevron {
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform var(--transition);
}
.btn-browse-topics[aria-expanded="true"] .btn-browse-topics-chevron {
  transform: rotate(180deg);
}
.btn-browse-topics[aria-expanded="true"] {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom-color: transparent;
  background: var(--color-bg-card);
}
.browse-topics-noscript {
  margin: .75rem 0 0;
  font-size: .8125rem;
  color: var(--color-text-muted);
}

/* ── Trigger count badge ────────────────────────────────────── */
.topic-trigger-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.375rem;
  height: 1.125rem;
  padding: 0 .375rem;
  font-family: var(--font-sans);
  font-size: .625rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: #fff;
  background: var(--color-accent);
  border-radius: 999px;
  flex-shrink: 0;
}

/* ── Inline panel body ──────────────────────────────────────── */
.topic-panel-body {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
}

/* ── Accordion ──────────────────────────────────────────────── */
.topic-accordion {
  --bs-accordion-border-color: var(--color-border-lt);
  --bs-accordion-bg: transparent;
  --bs-accordion-active-color: var(--color-text);
  --bs-accordion-active-bg: var(--color-bg-alt);
  --bs-accordion-btn-focus-box-shadow: none;
  max-height: 60vh;
  overflow-y: auto;
}
.topic-accordion-item {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border-lt);
}
.topic-accordion-item:last-of-type { border-bottom: none; }
.topic-accordion-btn {
  display: flex;
  align-items: center;
  gap: .875rem;
  padding: .9375rem 1.125rem;
  background: transparent;
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: -.01em;
  line-height: 1.2;
  box-shadow: none;
}
.topic-accordion-btn:hover { background: var(--color-bg-alt); }
.topic-accordion-btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: -3px;
  box-shadow: none;
}
.topic-accordion-btn:not(.collapsed) {
  background: var(--color-bg-alt);
  color: var(--color-text);
  box-shadow: none;
}
.topic-accordion-btn::after {
  width: 12px;
  height: 12px;
  background-size: 12px 12px;
  margin-left: .5rem;
  flex-shrink: 0;
}
.topic-accordion-label { flex: 1; min-width: 0; text-align: left; }
.topic-cat-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  height: 1.125rem;
  padding: 0 .375rem;
  margin-left: auto;
  margin-right: .25rem;
  font-family: var(--font-sans);
  font-size: .625rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: #fff;
  background: var(--color-accent);
  border-radius: 999px;
  flex-shrink: 0;
}

/* ── Accordion body / checkbox rows ────────────────────────── */
.topic-accordion-body {
  padding: .375rem .5rem .75rem;
  background: var(--color-bg-card);
}
.topic-row {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .5rem .875rem;
  margin: 0;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition);
}
.topic-row:hover { background: var(--color-bg-alt); }
.topic-row-cb {
  accent-color: var(--color-accent);
  flex-shrink: 0;
  cursor: pointer;
}
.topic-row-cb:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}
.topic-row-label {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.3;
  letter-spacing: -.005em;
  min-width: 0;
}
.topic-row:has(.topic-row-cb:checked) {
  background: var(--color-bg-alt);
  box-shadow: inset 3px 0 0 var(--color-accent);
}

/* ── Footer ─────────────────────────────────────────────────── */
.topic-panel-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .875rem 1.125rem;
  border-top: 1px solid var(--color-border-lt);
  background: var(--color-bg-card);
}
.topic-panel-clear {
  margin: 0;
}
.topic-panel-clear:disabled {
  opacity: .4;
  cursor: not-allowed;
  border-color: var(--color-border-lt);
  color: var(--color-text-light);
}
.topic-panel-apply:disabled {
  opacity: .5;
  cursor: not-allowed;
}

/* ── Mobile (≤768px) ────────────────────────────────────────── */
@media (max-width: 768px) {
  .topic-accordion { max-height: 50vh; }
  .topic-accordion-btn { padding: .9375rem 1rem; }
  .topic-row { padding: .625rem .75rem; }
  .topic-panel-footer {
    flex-direction: column-reverse;
    align-items: stretch;
  }
  .topic-panel-footer .topic-panel-apply,
  .topic-panel-footer .topic-panel-clear { width: 100%; }
}