:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --text: #1c2431;
  --muted: #5d6a7a;
  --border: #d7dee7;
  --accent: #1b4f72;
  --accent-2: #2f6e93;
  --shadow: 0 10px 32px rgba(26, 38, 54, 0.08);
  --shadow-soft: 0 4px 14px rgba(26, 38, 54, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Georgia", "Cambria", "Times New Roman", serif;
  color: var(--text);
  background: radial-gradient(circle at 10% -10%, #e3edf5 0, transparent 40%),
    radial-gradient(circle at 100% 0%, #dceaf6 0, transparent 32%), var(--bg);
  line-height: 1.45;
}

body.modal-open {
  overflow: hidden;
}

.background-accent {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.55) 0%,
    rgba(255, 255, 255, 0.12) 60%,
    rgba(255, 255, 255, 0) 100%
  );
}

.portal-header,
.portal-main {
  position: relative;
  z-index: 1;
  width: min(1240px, 94vw);
  margin-inline: auto;
}

.portal-header {
  padding-top: clamp(2rem, 3vw, 3.2rem);
  padding-bottom: 1.2rem;
}

.brand-row {
  display: flex;
  gap: 1rem;
  align-items: center;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(215, 222, 231, 0.9);
  border-radius: 16px;
  box-shadow: var(--shadow-soft);
  padding: 1rem;
}

.logo-placeholder {
  width: clamp(140px, 18vw, 190px);
  min-height: 96px;
  border: 1px dashed #6f8194;
  border-radius: 12px;
  display: grid;
  place-content: center;
  text-align: center;
  gap: 0.1rem;
  color: #1b4f72;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: #f9fcff;
}

.logo-placeholder span {
  font-size: 0.72rem;
  color: #4f6070;
  font-weight: 600;
}

.brand-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
}

h1 {
  margin: 0.35rem 0 0.45rem;
  font-size: clamp(1.9rem, 3.4vw, 3rem);
  line-height: 1.1;
}

.subtitle {
  margin: 0;
  max-width: 70ch;
  color: var(--muted);
  font-size: clamp(0.95rem, 1.8vw, 1.06rem);
}

.portal-main {
  padding-bottom: 3.5rem;
}

.search-panel {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(215, 222, 231, 0.9);
  border-radius: 16px;
  padding: 1rem;
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow-soft);
}

.search-form {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 0.75rem;
}

.search-form input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.8rem 0.95rem;
  font-size: 1rem;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--surface);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-form input:focus {
  outline: none;
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(47, 110, 147, 0.16);
}

.search-form button {
  border: 1px solid #000;
  border-radius: 10px;
  padding: 0.8rem 1.2rem;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-weight: 700;
  font-size: 0.98rem;
  color: #fff;
  background: #000;
  cursor: pointer;
  transition: background-color 0.16s ease;
}

.search-form button:hover {
  background: #1f1f1f;
}

.advanced-trigger {
  border: 1px solid #000;
  border-radius: 10px;
  padding: 0.8rem 1rem;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-weight: 700;
  font-size: 0.92rem;
  color: #fff;
  background: #000;
  cursor: pointer;
  transition: background-color 0.16s ease;
}

.advanced-trigger:hover {
  background: #1f1f1f;
  transform: none;
  box-shadow: none;
}

.status-message {
  margin: 0.7rem 0 0;
  min-height: 1.1rem;
  color: var(--muted);
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.9rem;
}

.content-layout {
  margin-top: 1.2rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.newly-added-section {
  margin-top: 1rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.8rem;
  box-shadow: var(--shadow-soft);
}

.newly-added-header h2 {
  margin: 0;
  font-size: 1.08rem;
  color: #2b4258;
}

.newly-added-carousel {
  margin-top: 0.62rem;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.6rem;
  align-items: center;
}

.newly-added-arrow {
  border: 1px solid #b9ccde;
  border-radius: 999px;
  width: 2.2rem;
  height: 2.2rem;
  padding: 0;
  display: inline-grid;
  place-items: center;
  background: #f7fbff;
  color: #274b6c;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
}

.newly-added-arrow:hover:not(:disabled) {
  background: #edf5fd;
}

.newly-added-arrow:disabled {
  opacity: 0.45;
  cursor: default;
}

.newly-added-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(220px, 255px);
  gap: 0.85rem;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  padding: 0.1rem 0.08rem 0.35rem;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.newly-added-track::-webkit-scrollbar {
  display: none;
}

.newly-added-track .newly-added-card {
  height: 100%;
}

.newly-added-empty {
  min-height: 7rem;
  border: 1px dashed #d4deea;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.9rem;
  padding: 0.8rem;
}

.browse-subjects-section {
  margin-top: 1rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.85rem;
  box-shadow: var(--shadow-soft);
}

.browse-subjects-section + .search-panel {
  margin-top: 1rem;
}

.browse-subjects-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.8rem;
}

.browse-subjects-header h2 {
  margin: 0;
  font-size: 1.08rem;
  color: #2b4258;
}

.browse-subjects-status {
  margin: 0;
  color: var(--muted);
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.82rem;
}

.browse-subjects-grid {
  margin-top: 0.7rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
}

.browse-subjects-actions {
  margin-top: 0.72rem;
  display: flex;
  justify-content: center;
}

.browse-subjects-toggle {
  border: 1px solid #aac0d4;
  border-radius: 999px;
  background: #f7fbff;
  color: #1f4d72;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.84rem;
  font-weight: 700;
  padding: 0.4rem 0.94rem;
  cursor: pointer;
}

.browse-subjects-toggle:hover {
  background: #edf6ff;
}

.browse-subject-pill {
  border: 1px solid #d5e0eb;
  border-radius: 10px;
  background: #fff;
  color: #2b4359;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.35;
  text-align: left;
  padding: 0.52rem 0.66rem;
  cursor: pointer;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease,
    transform 0.18s ease;
}

.browse-subject-pill:hover {
  border-color: #91abc2;
  box-shadow: 0 8px 16px rgba(26, 38, 54, 0.08);
  background: #fbfdff;
  transform: translateY(-1px);
}

.browse-subject-pill:focus-visible {
  outline: 3px solid rgba(47, 110, 147, 0.24);
  outline-offset: 2px;
}

.browse-subject-empty {
  border: 1px dashed #d7e2ee;
  border-radius: 10px;
  background: #fff;
  color: var(--muted);
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.86rem;
  padding: 0.8rem;
  text-align: center;
  grid-column: 1 / -1;
}

.active-subject-heading {
  margin: 1.1rem 0 0.7rem;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid #d4dfeb;
  color: #1f3f59;
  font-size: clamp(1.04rem, 2vw, 1.2rem);
  font-weight: 700;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
}

.filter-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.9rem;
  box-shadow: var(--shadow-soft);
}

.horizontal-filter {
  min-width: 0;
}

.filter-group h2 {
  margin: 0;
  font-size: 0.92rem;
  color: #354658;
}

.filter-actions {
  grid-column: 1 / -1;
  justify-self: end;
  align-self: center;
}

.clear-filters {
  border: 1px solid #305878;
  background: #f6fbff;
  color: #1b4f72;
  border-radius: 999px;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.84rem;
  font-weight: 700;
  padding: 0.42rem 0.9rem;
  cursor: pointer;
}

.clear-filters:hover {
  background: #edf6fd;
}

.filter-group {
  display: grid;
  gap: 0.5rem;
  background: #fcfdff;
  border: 1px solid #e8edf3;
  border-radius: 10px;
  padding: 0.6rem 0.65rem;
}

.filter-list {
  display: block;
}

.filter-list-inline {
  max-height: none;
}

.filter-dropdown {
  width: 100%;
  border: 1px solid #c8d3df;
  border-radius: 8px;
  background: #fff;
  color: #2e4054;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.9rem;
  padding: 0.5rem 0.55rem;
  min-height: 2.25rem;
}

.filter-dropdown:focus {
  outline: none;
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(47, 110, 147, 0.16);
}

.filter-dropdown option {
  color: #2e4054;
}

.filter-multiselect {
  position: relative;
}

.filter-multiselect-trigger {
  width: 100%;
  min-height: 2.25rem;
  border: 1px solid #c8d3df;
  border-radius: 8px;
  background: #fff;
  color: #2e4054;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.9rem;
  padding: 0.5rem 0.55rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  cursor: pointer;
}

.filter-multiselect-trigger:focus {
  outline: none;
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(47, 110, 147, 0.16);
}

.filter-multiselect-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.filter-multiselect-arrow {
  font-size: 0.72rem;
  color: #58708a;
}

.filter-multiselect-menu {
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  right: 0;
  z-index: 12;
  display: none;
  gap: 0.38rem;
  border: 1px solid #d2dce7;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 12px 22px rgba(26, 38, 54, 0.14);
  padding: 0.4rem;
}

.filter-multiselect-menu.is-open {
  display: grid;
}

.filter-multiselect-options {
  display: grid;
  gap: 0.14rem;
  max-height: 12.5rem;
  overflow: auto;
  padding-right: 0.18rem;
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.34rem 0.45rem;
  border-radius: 8px;
  cursor: pointer;
  color: #2e4054;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.88rem;
  line-height: 1.25;
  transition: background-color 0.16s ease;
}

.filter-checkbox:hover {
  background: #f3f8fd;
}

.filter-checkbox input {
  margin: 0;
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent-2);
  flex: none;
}

.filter-checkbox-all {
  border: 1px solid #d7e2ed;
  background: #f8fbff;
  font-weight: 700;
}

.filter-checkbox-text {
  min-width: 0;
}

.filter-count {
  color: #5d6a7a;
}

.more-filters {
  margin-top: 0.1rem;
  border: none;
  background: transparent;
  color: #2f5d89;
  cursor: pointer;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.82rem;
  text-align: left;
  padding: 0;
}

.more-filters[hidden] {
  display: none;
}

.legacy-filters {
  display: none;
}

.results-area {
  min-width: 0;
}

.results-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.7rem 0.9rem;
}

.result-count {
  margin: 0;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  color: #334a62;
  font-size: 0.92rem;
  font-weight: 700;
}

.sort-control {
  display: grid;
  gap: 0.32rem;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  color: var(--muted);
  font-size: 0.82rem;
}

.sort-control select {
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 0.45rem 0.55rem;
  font-size: 0.9rem;
  background: #fff;
  color: #2a3f55;
}

.results-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.card {
  display: grid;
  grid-template-rows: auto 1fr;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: clip;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(27, 79, 114, 0.34);
  box-shadow: var(--shadow);
}

.card:focus-visible {
  outline: 3px solid rgba(47, 110, 147, 0.3);
  outline-offset: 2px;
}

.thumb-link {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  background: #f6f8fb;
  aspect-ratio: 3 / 4;
  border-bottom: 1px solid #e2e8f0;
}

.thumb-link img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  border: 1px solid #d9e2ec;
  border-radius: 10px;
  background: #fff;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 0.46rem;
  padding: 0.85rem 0.9rem 1rem;
}

.card-title {
  margin: 0 0 0.1rem;
  font-size: 1rem;
  line-height: 1.34;
  font-weight: 700;
}

.meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
}

.card-meta-badges {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.34rem;
  margin-top: 0.05rem;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  flex-shrink: 0;
  border: 1px solid #d6dee8;
  border-radius: 999px;
  background: #f8fbff;
  color: #6b7785;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 0.16rem 0.52rem;
  line-height: 1.2;
}

.empty-state {
  grid-column: 1 / -1;
  background: rgba(255, 255, 255, 0.88);
  border: 1px dashed var(--border);
  border-radius: 14px;
  padding: 1.2rem;
  color: var(--muted);
  text-align: center;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
}

.loading-state {
  grid-column: 1 / -1;
  display: grid;
  gap: 0.8rem;
  background: rgba(255, 255, 255, 0.88);
  border: 1px dashed var(--border);
  border-radius: 14px;
  padding: 1rem;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  color: var(--muted);
}

.loading-state-header {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  justify-self: center;
}

.spinner {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 3px solid rgba(27, 79, 114, 0.2);
  border-top-color: var(--accent);
  animation: spin 0.75s linear infinite;
}

.results-skeleton-grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.skeleton-card {
  border: 1px solid #dbe4ed;
  border-radius: 14px;
  background: #fff;
  padding: 0.7rem;
  display: grid;
  gap: 0.5rem;
}

.skeleton-thumb,
.skeleton-line,
.skeleton-pill {
  background: linear-gradient(90deg, #eff3f8 0%, #e6edf5 45%, #eff3f8 100%);
  background-size: 220% 100%;
  animation: shimmer 1.25s linear infinite;
}

.skeleton-thumb {
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: 10px;
}

.skeleton-line {
  height: 0.72rem;
  border-radius: 999px;
}

.skeleton-line-title {
  width: 85%;
  height: 0.9rem;
}

.skeleton-line-meta {
  width: 63%;
}

.skeleton-pill-row {
  display: flex;
  gap: 0.35rem;
}

.skeleton-pill {
  width: 4.4rem;
  height: 1.1rem;
  border-radius: 999px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes shimmer {
  to {
    background-position: -220% 0;
  }
}

.advanced-modal {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 30;
  background: linear-gradient(160deg, rgba(241, 246, 251, 0.98) 0%, rgba(233, 241, 249, 0.98) 100%);
  overflow-y: auto;
}

.advanced-modal.is-open {
  display: block;
}

.advanced-modal-panel {
  min-height: 100dvh;
  max-width: 1280px;
  margin-inline: auto;
  padding: clamp(1.15rem, 2.35vw, 1.8rem);
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 1rem;
}

.advanced-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #d7e1eb;
  border-radius: 14px;
  padding: 0.85rem 1rem;
  box-shadow: var(--shadow-soft);
}

.advanced-eyebrow {
  margin: 0;
  color: #2f5d89;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-weight: 700;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#advanced-search-title {
  margin: 0.28rem 0 0.2rem;
  font-size: clamp(1.25rem, 2.5vw, 1.7rem);
  line-height: 1.2;
}

.advanced-subtitle {
  margin: 0;
  color: #4f6173;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.9rem;
}

.advanced-close {
  border: 1px solid #bfd0e1;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  background: #fff;
  color: #23435e;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  flex: none;
}

.advanced-close:hover {
  background: #f3f8fd;
}

.advanced-search-form {
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 1rem;
  min-height: 0;
}

.advanced-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  align-content: start;
}

.advanced-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #d9e3ed;
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
  padding: 1rem;
  display: grid;
  gap: 0.7rem;
}

.advanced-card h3 {
  margin: 0;
  font-size: 0.98rem;
  color: #30495f;
}

.advanced-fulltext-card {
  gap: 0.5rem;
  border-color: #d1dde9;
}

.advanced-fulltext-card input {
  min-height: 2.45rem;
  font-size: 0.98rem;
}

.advanced-card-wide {
  grid-column: 1 / -1;
}

.advanced-card-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
}

.advanced-inline-button {
  border: 1px solid #b8cce0;
  border-radius: 999px;
  background: #f7fbff;
  color: #274c6f;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
  width: 2rem;
  height: 2rem;
  padding: 0;
  cursor: pointer;
  display: inline-grid;
  place-items: center;
}

.advanced-inline-button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.advanced-note {
  margin: -0.2rem 0 0;
  color: #5d6a7a;
  font-size: 0.82rem;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
}

.advanced-fields {
  display: grid;
  gap: 0.65rem;
}

.advanced-fields.two-column {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.advanced-card label {
  display: grid;
  gap: 0.34rem;
  color: #42576d;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.84rem;
  font-weight: 600;
}

.advanced-card input:not([type="radio"]),
.advanced-card select {
  width: 100%;
  min-height: 2.25rem;
  border: 1px solid #c8d5e2;
  border-radius: 9px;
  background: #fff;
  color: #25384a;
  font-size: 0.92rem;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  padding: 0.52rem 0.6rem;
}

.advanced-card input:not([type="radio"]):focus,
.advanced-card select:focus {
  outline: none;
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(47, 110, 147, 0.14);
}

.advanced-fieldset {
  margin: 0;
  padding: 0;
  border: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.advanced-fieldset legend {
  width: 100%;
  margin: 0 0 0.22rem;
  padding: 0;
  color: #42576d;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.84rem;
  font-weight: 700;
}

.radio-option {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  border: 1px solid #d4deea;
  border-radius: 999px;
  background: #fbfdff;
  padding: 0.36rem 0.68rem;
  color: #2f4b66;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.82rem;
}

.radio-option input {
  margin: 0;
  width: 0.95rem;
  height: 0.95rem;
  accent-color: var(--accent-2);
}

.date-target-group {
  border-top: 1px solid #e1e8f0;
  padding-top: 0.6rem;
  gap: 0.45rem;
}

.date-target-options {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.metadata-rule-list {
  display: grid;
  gap: 0.45rem;
}

.metadata-rule-row {
  display: grid;
  grid-template-columns: minmax(140px, 180px) minmax(170px, 220px) minmax(0, 1fr) auto;
  gap: 0.45rem;
  align-items: center;
}

.metadata-rule-row.has-custom-field {
  grid-template-columns:
    minmax(140px, 180px)
    minmax(170px, 220px)
    minmax(170px, 220px)
    minmax(0, 1fr)
    auto;
}

.metadata-rule-custom {
  min-height: 2.25rem;
  border: 1px solid #c8d5e2;
  border-radius: 9px;
  padding: 0.52rem 0.6rem;
  font-size: 0.92rem;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
}

.metadata-rule-custom[hidden] {
  display: none;
}

.metadata-rule-remove {
  border: 1px solid #cad9e8;
  border-radius: 9px;
  background: #fff;
  color: #35536e;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1;
  width: 2.05rem;
  height: 2.05rem;
  padding: 0;
  cursor: pointer;
  display: inline-grid;
  place-items: center;
}

.metadata-rule-remove:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.advanced-modal-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid #d7e1ec;
  border-radius: 14px;
  padding: 0.7rem 0.8rem;
  position: sticky;
  bottom: 0;
  z-index: 2;
}

.advanced-footer-actions {
  display: flex;
  gap: 0.5rem;
}

.advanced-modal-footer button {
  border-radius: 10px;
  font-family: "Helvetica Neue", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 0.56rem 0.95rem;
  cursor: pointer;
}

.advanced-reset,
.advanced-cancel {
  border: 1px solid #bfd1e3;
  background: #f8fbff;
  color: #2b4f70;
}

.advanced-submit {
  border: 1px solid #000;
  background: #000;
  color: #fff;
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.85);
  z-index: 20;
}

.modal.is-open {
  display: flex;
}

.modal-dialog {
  position: relative;
  width: min(90vw, 1400px);
  height: min(90vh, 920px);
  border-radius: 14px;
  overflow: hidden;
  background: #111;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

#reader-frame {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  background: #111;
}

.modal-close {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  z-index: 2;
  border: none;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  color: #243648;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.25);
}

.modal-close:hover {
  background: #fff;
}

.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;
}

@media (max-width: 980px) {
  .brand-row {
    align-items: flex-start;
  }

  .filter-bar {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .horizontal-filter {
    min-width: 0;
  }

  .filter-actions {
    grid-column: auto;
    justify-self: start;
    align-self: flex-start;
  }

  .filter-multiselect-options {
    max-height: 11rem;
  }

  .newly-added-track {
    grid-auto-columns: minmax(205px, 238px);
  }

  .browse-subjects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .advanced-fields.two-column {
    grid-template-columns: 1fr;
  }

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

  .metadata-rule-row.has-custom-field {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .brand-row {
    flex-direction: column;
  }

  .logo-placeholder {
    width: 100%;
  }

  .search-form {
    grid-template-columns: 1fr;
  }

  .search-form button {
    width: 100%;
  }

  .newly-added-carousel {
    grid-template-columns: 1fr;
  }

  .newly-added-arrow {
    display: none;
  }

  .newly-added-track {
    grid-auto-columns: minmax(200px, 78vw);
  }

  .browse-subjects-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .browse-subjects-grid {
    grid-template-columns: 1fr;
  }

  .browse-subjects-toggle {
    width: 100%;
  }

  .results-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .advanced-modal-panel {
    padding: 0.7rem;
  }

  .advanced-modal-header {
    padding: 0.75rem;
  }

  .advanced-modal-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .advanced-footer-actions {
    width: 100%;
  }

  .advanced-footer-actions button,
  .advanced-modal-footer > button {
    width: 100%;
  }

  .modal {
    padding: 0.5rem;
  }

  .modal-dialog {
    width: 100%;
    height: 92vh;
    border-radius: 10px;
  }
}