/* =============================================================
   Pokemon TCG Database — Custom Styles
   Two themes: blue (default) and red (Pokemon).
   Switch by adding data-theme="red" to <html>.
   ============================================================= */

/* --- Theme Variables ---------------------------------------- */
:root,
[data-theme="blue"] {
  --primary:         #2563c4;
  --primary-dark:    #1e4a8a;
  --primary-light:   #dbeafe;
  --accent:          #3b82f6;
  --nav-bg:          #1a2536;
  --breadcrumb-bg:   #1e4a8a;
  --body-bg:         #f0f4f8;
  --surface:         #ffffff;
  --surface-alt:     #f8fafc;
  --border:          #e2e8f0;
  --text:            #1a202c;
  --text-muted:      #718096;
  --link:            #2563c4;
  --link-hover:      #1e4a8a;
  --table-head-bg:   #1e4a8a;
  --badge-bg:        #2563c4;
  --toggle-active:   #2563c4;
  --set-card-hover:  0 6px 20px rgba(37,99,196,0.15);
}

[data-theme="red"] {
  --primary:         #dc2626;
  --primary-dark:    #991b1b;
  --primary-light:   #fee2e2;
  --accent:          #fbbf24;
  --nav-bg:          #1c1917;
  --breadcrumb-bg:   #dc2626;
  --body-bg:         #fafaf9;
  --surface:         #ffffff;
  --surface-alt:     #f9f9f8;
  --border:          #e5e5e5;
  --text:            #1c1917;
  --text-muted:      #57534e;
  --link:            #dc2626;
  --link-hover:      #991b1b;
  --table-head-bg:   #dc2626;
  --badge-bg:        #dc2626;
  --toggle-active:   #dc2626;
  --set-card-hover:  0 6px 20px rgba(220,38,38,0.15);
}

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

body {
  padding-top: 56px;
  background: var(--body-bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a            { color: var(--link); }
a:hover      { color: var(--link-hover); }
.nowrap      { white-space: nowrap; }
.smaller     { font-size: 0.8rem; }
.title       { text-transform: uppercase; font-weight: 700; font-size: 0.68rem;
               color: var(--text-muted); letter-spacing: 0.04em; }

/* --- Navbar -------------------------------------------------- */
.navbar {
  background-color: #1a2536 !important;
  background-color: var(--nav-bg, #1a2536) !important;
  box-shadow: 0 2px 8px rgba(0,0,0,0.35);
}

[data-theme="red"] .navbar {
  background-color: #1c1917 !important;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff !important;
}

.nav-link                         { color: rgba(255,255,255,0.82) !important; }
.nav-link:hover, .nav-link.active { color: #fff !important; }

.dropdown-menu {
  background-color: #1a2536;
  background-color: var(--nav-bg, #1a2536);
  border: 1px solid rgba(255,255,255,0.12);
  min-width: 220px;
}

.dropdown-item {
  color: rgba(255,255,255,0.8) !important;
  font-size: 0.875rem;
  padding: 0.35rem 1rem;
}

.dropdown-item:hover, .dropdown-item:focus {
  background: rgba(255,255,255,0.1) !important;
  color: #fff !important;
}

.dropdown-header {
  color: var(--accent) !important;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.55rem 1rem 0.2rem;
}

.dropdown-divider { border-color: rgba(255,255,255,0.1); }

/* Theme toggle pill */
.btn-theme-toggle {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  border-radius: 20px;
  padding: 0.25rem 0.8rem;
  font-size: 0.78rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
  line-height: 1.5;
}

.btn-theme-toggle:hover { background: rgba(255,255,255,0.2); color: #fff; }

/* --- Breadcrumbs -------------------------------------------- */
#breadcrumbs {
  background: var(--breadcrumb-bg);
  margin-bottom: 0;
}

#breadcrumbs .breadcrumb {
  padding: 6px 0 !important;
  margin: 0;
  background: transparent;
  font-size: 0.875rem;
}

#breadcrumbs .breadcrumb-item + .breadcrumb-item::before {
  color: rgba(255,255,255,0.55) !important;
}

#breadcrumbs a               { color: rgba(255,255,255,0.9); text-decoration: none; }
#breadcrumbs a:hover         { color: #fff; }
#breadcrumbs .breadcrumb-item.active { color: rgba(255,255,255,0.7); }

/* --- Page header -------------------------------------------- */
.page-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 24px 0 20px;
  margin-bottom: 28px;
}

.page-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 6px;
  line-height: 1.2;
}

.page-header .lead {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
}

.page-header-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 6px;
}

.page-header-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 14px;
}

/* --- Main container ----------------------------------------- */
.main-container {
  padding-bottom: 48px;
}

/* --- Tables -------------------------------------------------- */
.table-responsive {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0,0,0,0.07);
}

.table {
  background: var(--surface);
  margin-bottom: 0;
  font-size: 0.9rem;
}

.table thead th {
  background: var(--table-head-bg);
  color: #fff;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
  padding: 10px 12px;
  white-space: nowrap;
  font-weight: 600;
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
  background-color: var(--surface-alt);
  --bs-table-accent-bg: transparent;
}

.table > tbody > tr:hover > * {
  background-color: var(--primary-light) !important;
}

.table td {
  padding: 8px 12px;
  vertical-align: middle;
  border-color: var(--border);
}

.table td a                 { color: var(--link); text-decoration: none; font-weight: 500; }
.table td a:hover           { color: var(--link-hover); text-decoration: underline; }

/* --- Series section header ---------------------------------- */
.series-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 36px 0 16px;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--primary);
}

.series-header:first-of-type { margin-top: 8px; }

.series-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  color: var(--primary-dark);
}

/* --- Set grid cards (home + series pages) ------------------- */
.set-grid-card {
  color: #212529;
  color: var(--text, #212529);
  border: 1px solid #dee2e6;
  border: 1px solid var(--border, #dee2e6);
  border-radius: 8px;
  transition: transform 0.15s, box-shadow 0.15s;
  overflow: hidden;
}

.set-grid-card:hover {
  color: #212529;
  color: var(--text, #212529);
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.13);
}

.set-grid-logo {
  height: 80px;
  background: #f8f9fa;
  background: var(--surface-alt, #f8f9fa);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  border-bottom: 1px solid #dee2e6;
  border-bottom-color: var(--border, #dee2e6);
}

.set-grid-logo__img {
  max-height: 58px;
  max-width: 100%;
  object-fit: contain;
}

.set-grid-logo__placeholder {
  font-size: 0.72rem;
  color: #6c757d;
  text-align: center;
}

.set-grid-name {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 4px;
  font-weight: 600;
  font-size: 0.82rem;
  line-height: 1.35;
  color: #212529;
  color: var(--text, #212529);
  margin-bottom: 3px;
}

.set-grid-name img {
  flex-shrink: 0;
  margin-top: 1px;
}

.set-grid-date {
  font-size: 0.72rem;
}

.set-grid-badge {
  background: #2563c4;
  background: var(--primary, #2563c4);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 600;
}

/* --- View toggle (card list) -------------------------------- */
.view-toggle-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.view-toggle-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-right: 4px;
}

.view-toggle-btn {
  background: #fff;
  background: var(--surface, #fff);
  border: 1px solid #dee2e6;
  border-color: var(--border, #dee2e6);
  color: #6c757d;
  color: var(--text-muted, #6c757d);
  border-radius: 6px;
  padding: 5px 14px;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.15s;
  line-height: 1.4;
}

.view-toggle-btn.active {
  background: #2563c4;
  background: var(--toggle-active, #2563c4);
  border-color: #2563c4;
  border-color: var(--toggle-active, #2563c4);
  color: #fff;
}

.view-toggle-btn:hover:not(.active) {
  border-color: #2563c4;
  border-color: var(--primary, #2563c4);
  color: #2563c4;
  color: var(--primary, #2563c4);
}

/* --- Card thumbnail grid ------------------------------------ */
.card-thumb-item {
  border: 1px solid #dee2e6;
  border: 1px solid var(--border, #dee2e6);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.15s, box-shadow 0.15s;
}

.card-thumb-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 14px rgba(0,0,0,0.14);
}

.card-thumb-item a { color: #212529; color: var(--text, #212529); }

.card-thumb-img-wrap {
  background: #efefef;
  background: var(--surface-alt, #efefef);
  /* aspect-ratio polyfill via padding trick for older browsers */
  position: relative;
  padding-top: 140%; /* 5:7 ratio */
  overflow: hidden;
}

.card-thumb-img-wrap img {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-thumb-name {
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.3;
  color: #212529;
  color: var(--text, #212529);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}

.card-thumb-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 4px;
  font-size: 0.68rem;
  color: #6c757d;
  color: var(--text-muted, #6c757d);
}

.card-thumb-set {
  display: flex;
  align-items: center;
  gap: 3px;
  margin-top: 3px;
  font-size: 0.65rem;
  color: #6c757d;
  color: var(--text-muted, #6c757d);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.card-thumb-set span {
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

/* --- Card detail -------------------------------------------- */
.card-prev-next {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 16px;
  margin-bottom: 16px;
  font-size: 0.875rem;
  gap: 8px;
}

.card-prev-next__side {
  flex: 1;
  min-width: 0;
}

.card-prev-next__side:last-child { text-align: right; }

.card-prev-next__center {
  flex-shrink: 0;
  text-align: center;
  color: #6c757d;
  color: var(--text-muted, #6c757d);
  font-size: 0.8rem;
  padding: 0 8px;
}

.card-prev-next a {
  color: #2563c4;
  color: var(--link, #2563c4);
  text-decoration: none;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.card-prev-next a:hover { text-decoration: underline; }

.card-detail-wrap {
  background: #fff;
  background: var(--surface, #fff);
  border: 1px solid #dee2e6;
  border-color: var(--border, #dee2e6);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  margin-bottom: 20px;
}

.card-detail-layout {
  display: grid;
  grid-template-columns: minmax(220px, 300px) 1fr;
}

.card-detail__image-col {
  background: #f8f9fa;
  background: var(--surface-alt, #f8f9fa);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  border-right: 1px solid #dee2e6;
  border-right-color: var(--border, #dee2e6);
}

.card-modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 10;
  background: #dc2626;
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 34px;
  height: 34px;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}

.card-modal-close:hover { background: #991b1b; }

.card-image-zoom-wrap {
  position: relative;
  display: inline-block;
  cursor: zoom-in;
  max-width: 260px;
  width: 100%;
}

.card-image-zoom-hint {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.5);
  color: #fff;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  opacity: 0;
  transition: opacity 0.15s;
  pointer-events: none;
}

.card-image-zoom-wrap:hover .card-image-zoom-hint { opacity: 1; }

.card-detail__image-col img {
  width: 100%;
  max-width: 260px;
  border-radius: 8px;
  box-shadow: 0 4px 18px rgba(0,0,0,0.22);
}

.card-detail__info-col {
  padding: 22px 24px;
}

/* Card name / HP header */
.card-detail__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid #dee2e6;
  border-bottom-color: var(--border, #dee2e6);
}

.card-detail__name {
  font-size: 1.55rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.2;
}

.card-detail__level  { font-size: 0.82rem; color: #6c757d; color: var(--text-muted, #6c757d); margin-top: 2px; }
.card-detail__type-line { font-size: 0.82rem; color: #6c757d; color: var(--text-muted, #6c757d); margin-top: 4px; }

.evolves-from {
  font-size: 0.82rem;
  color: #6c757d;
  color: var(--text-muted, #6c757d);
  margin-top: 4px;
}

.evolves-from a { color: #2563c4; color: var(--link, #2563c4); }

.card-detail__hp-wrap {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.card-detail__hp {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.hp-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: #6c757d;
  color: var(--text-muted, #6c757d);
  margin-right: 3px;
  vertical-align: middle;
}

/* Prices */
.prices-section {
  background: #f8f9fa;
  background: var(--surface-alt, #f8f9fa);
  border: 1px solid #dee2e6;
  border-color: var(--border, #dee2e6);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 16px;
}

.prices-section__header {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 10px;
}

.prices-section__title {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #6c757d;
  color: var(--text-muted, #6c757d);
}

.prices-section__updated {
  font-size: 0.72rem;
  color: #6c757d;
  color: var(--text-muted, #6c757d);
}

.prices-section__link {
  display: inline-block;
  margin-left: auto;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff !important;
  background: #16a34a;
  border-radius: 20px;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s, transform 0.1s;
  flex-shrink: 0;
}

.prices-section__link:hover {
  background: #15803d;
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.price-item { text-align: center; }

.price-item__label {
  font-size: 0.63rem;
  text-transform: uppercase;
  color: #6c757d;
  color: var(--text-muted, #6c757d);
  font-weight: 600;
  margin-bottom: 3px;
  letter-spacing: 0.03em;
}

.price-item__value {
  font-size: 1rem;
  font-weight: 700;
  color: #1e4a8a;
  color: var(--primary-dark, #1e4a8a);
}

.price-item__value.no-price {
  color: #6c757d;
  color: var(--text-muted, #6c757d);
  font-size: 0.85rem;
}

/* Ability */
.ability-block {
  border-left: 3px solid #2563c4;
  border-left-color: var(--primary, #2563c4);
  background: #dbeafe;
  background: var(--primary-light, #dbeafe);
  padding: 10px 12px;
  border-radius: 0 6px 6px 0;
  margin-bottom: 12px;
}

.ability-block__header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.ability-block__label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #1e4a8a;
  color: var(--primary-dark, #1e4a8a);
  flex-shrink: 0;
}

.ability-block__label img { vertical-align: middle; }

.ability-block__name  { font-weight: 700; font-size: 0.95rem; }
.ability-block__text  { font-size: 0.85rem; color: #6c757d; color: var(--text-muted, #6c757d); margin-top: 4px; }

/* Attacks */
.attacks-section { margin-bottom: 14px; }

.attack-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid #dee2e6;
  border-bottom-color: var(--border, #dee2e6);
}

.attack-row:last-child { border-bottom: none; }

.attack-cost   { flex-shrink: 0; }
.attack-name   { font-weight: 600; font-size: 0.92rem; flex: 1; }
.attack-damage { font-weight: 700; font-size: 1.05rem; flex-shrink: 0; }

.attack-text {
  font-size: 0.83rem;
  color: #6c757d;
  color: var(--text-muted, #6c757d);
  padding: 3px 0 6px 28px;
  line-height: 1.45;
}

/* Rules / card text */
.card-rules-block {
  font-size: 0.875rem;
  color: #6c757d;
  color: var(--text-muted, #6c757d);
  padding: 10px 0;
  border-top: 1px solid #dee2e6;
  border-top-color: var(--border, #dee2e6);
  line-height: 1.5;
}

/* Card meta grid (weakness, artist, etc.) */
.card-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  background: #f8f9fa;
  background: var(--surface-alt, #f8f9fa);
  border: 1px solid #dee2e6;
  border-color: var(--border, #dee2e6);
  border-radius: 8px;
  padding: 16px;
  margin-top: 4px;
}

.card-meta-item { text-align: center; }

.card-meta-item__label {
  font-size: 0.63rem;
  text-transform: uppercase;
  font-weight: 700;
  color: #6c757d;
  color: var(--text-muted, #6c757d);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.card-meta-item__value { font-size: 0.88rem; line-height: 1.4; }
.card-meta-item--wide  { grid-column: 1 / -1; text-align: left; }

.flavor-text {
  font-style: italic;
  font-size: 0.85rem;
  color: #6c757d;
  color: var(--text-muted, #6c757d);
  line-height: 1.5;
}

/* --- Energy & rarity icons ---------------------------------- */
.energy-icon { margin: 0 1px; vertical-align: middle; }

.regulation-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 22px;
  border: 1px solid #000;
  background: #fff !important;
  color: #000 !important;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.75rem;
  line-height: 1;
}

/* --- Type/color link tints ---------------------------------- */
.color1 a  { color: #2d7a3e; }
.color2 a  { color: #b91c1c; }
.color4 a  { color: #b45309; }
.color5 a  { color: #c2410c; }
.color6 a  { color: #7c3aed; }
.color7 a  { color: #52525b; }
.color8 a  { color: #1c1917; }
.color9 a  { color: #6b7280; }
.color10 a { color: #92400e; }
.color11 a { color: #db2777; }

/* --- Pagination --------------------------------------------- */
.pagination-count {
  font-size: 0.82rem;
  color: #6c757d;
  color: var(--text-muted, #6c757d);
}

/* --- Footer ------------------------------------------------- */
.site-footer {
  text-align: center;
  padding: 20px 16px;
  margin-top: 40px;
  color: var(--text-muted);
  font-size: 0.75rem;
  border-top: 1px solid var(--border);
}

/* --- Responsive --------------------------------------------- */
@media (max-width: 767px) {
  .card-detail-layout {
    grid-template-columns: 1fr;
  }

  .card-detail__image-col {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 20px;
  }

  .card-detail__info-col { padding: 16px; }

  .card-meta-grid { grid-template-columns: repeat(2, 1fr); }
  .price-grid     { grid-template-columns: repeat(2, 1fr); }
  .sets-grid      { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .cards-grid     { grid-template-columns: repeat(2, 1fr); gap: 8px; }
}

@media (max-width: 400px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .sets-grid  { grid-template-columns: 1fr 1fr; }
}

/* --- Advanced Search form ----------------------------------- */
.adv-form-toggle-row {
  margin-bottom: 4px;
}

.adv-form-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.adv-form-toggle:hover {
  border-color: var(--primary);
  color: var(--text);
}

.adv-form-toggle:focus { outline: none; }
.adv-form-toggle:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.adv-form-toggle .adv-chevron {
  font-size: 0.9rem;
  transition: transform 0.2s;
}
.adv-form-toggle[aria-expanded="false"] .adv-chevron {
  transform: rotate(-90deg);
}

.adv-search-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px 28px;
  margin-bottom: 24px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.adv-section-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.adv-section-sublabel {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

/* Collapsible sections */
.adv-section {
  border-top: 1px solid var(--border);
}

.adv-collapse-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  padding: 10px 0;
  cursor: pointer;
  text-align: left;
}

.adv-collapse-header:focus { outline: none; }
.adv-collapse-header:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.adv-chevron {
  color: var(--text-muted);
  font-size: 1rem;
  transition: transform 0.2s;
  flex-shrink: 0;
}
.adv-collapse-header[aria-expanded="false"] .adv-chevron {
  transform: rotate(-90deg);
}

/* Energy type toggle buttons */
.adv-color-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.adv-color-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px;
  border: 2px solid var(--border);
  background: var(--surface-alt);
  border-radius: 20px;
  font-size: 0.82rem;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
  user-select: none;
}

.btn-check:checked + .adv-color-btn {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 600;
}

/* Supertype / regmark toggle buttons */
.adv-stype-btn {
  display: inline-block;
  padding: 5px 18px;
  border: 2px solid var(--border);
  background: var(--surface-alt);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
  user-select: none;
}

.btn-check:checked + .adv-stype-btn {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 600;
}

.adv-regmark-btn {
  padding: 4px 13px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* Detailed card type grid */
.adv-type-group { }

.adv-type-group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.adv-type-group-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.adv-type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 3px 16px;
}

/* xs button for Select All / Clear */
.btn-xs {
  padding: 1px 8px;
  font-size: 0.72rem;
  line-height: 1.5;
  border-radius: 4px;
}

/* Rarity checkboxes */
.adv-rarity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 5px 16px;
}

/* Expansion sets grouped by series */
.adv-series-group {
  margin-bottom: 14px;
}

.adv-series-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.adv-series-name {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.adv-sets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 3px 16px;
}

/* Range sliders */
.adv-range-display {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.adv-range-sep {
  color: var(--text-muted);
}

.adv-slider-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.adv-sliders {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.adv-slider-edge {
  font-size: 0.75rem;
  color: var(--text-muted);
  min-width: 1.5em;
  text-align: center;
}

/* Autocomplete dropdown */
.autocomplete-wrap { position: relative; }

.autocomplete-list {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 1050;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 6px 6px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.12);
  list-style: none;
  margin: 0;
  padding: 4px 0;
  max-height: 260px;
  overflow-y: auto;
}

.autocomplete-item {
  padding: 7px 14px;
  cursor: pointer;
  font-size: 0.9rem;
}

.autocomplete-item:hover,
.autocomplete-item.active {
  background: var(--primary-light);
  color: var(--primary-dark);
}

/* --- Sortable tables (client-side, sets table) -------------- */
.sortable-table th[data-sort] {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
.sortable-table th[data-sort]::after {
  content: ' \21C5';
  opacity: 0.35;
  font-size: 0.78em;
}
.sortable-table th.sort-asc::after  { content: ' \2191'; opacity: 1; }
.sortable-table th.sort-desc::after { content: ' \2193'; opacity: 1; }

/* --- Sortable column headers (server-side, paginated tables) */
th.server-sort { white-space: nowrap; }
th.server-sort a {
  color: inherit;
  text-decoration: none;
}
th.server-sort a::after {
  content: ' \21C5';
  opacity: 0.35;
  font-size: 0.78em;
}
th.server-sort.sort-asc a::after  { content: ' \2191'; opacity: 1; }
th.server-sort.sort-desc a::after { content: ' \2193'; opacity: 1; }
