.brainrots-index-page {
  --index-panel: rgba(15, 34, 30, .94);
  --index-panel-deep: rgba(7, 18, 18, .96);
  --index-line: rgba(133, 198, 181, .28);
  --index-green: #72ee72;
  --index-accent: #5dd4ff;
  background:
    radial-gradient(circle at 12% 18%, rgba(44, 190, 121, .12), transparent 30%),
    radial-gradient(circle at 88% 25%, rgba(72, 135, 255, .12), transparent 28%),
    #070b16;
}

.brainrots-index-page > .hero,
.brainrots-index-page > .stats-bar,
.brainrots-index-page .legacy-brainrots-content,
.brainrots-index-page .online-users-counter { display: none !important; }

.brainrots-index-page .sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.brainrots-index-page .game-index-shell {
  width: min(1460px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 56px;
}

.brainrots-index-page .breadcrumb {
  width: min(1460px, calc(100% - 32px));
  margin: 0 auto;
}

.index-window {
  overflow: hidden;
  border: 1px solid rgba(152, 220, 205, .32);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(31, 69, 61, .94), rgba(15, 38, 34, .97));
  box-shadow: 0 28px 90px rgba(0, 0, 0, .46), inset 0 1px rgba(255, 255, 255, .08);
}

.index-topbar {
  display: grid;
  grid-template-columns: auto minmax(260px, 650px) auto;
  align-items: center;
  gap: 22px;
  min-height: 92px;
  padding: 14px 18px;
  background: linear-gradient(180deg, #688695, #577482);
  border-bottom: 5px solid rgba(5, 13, 18, .55);
}

.index-heading h1 {
  margin: 0;
  color: #fff;
  font: 700 32px/1 'Fredoka', sans-serif;
  text-shadow: 0 3px 0 #0b1217, 2px 0 0 #0b1217, -2px 0 0 #0b1217;
}

.index-heading p {
  margin: 4px 0 0;
  color: #fff;
  font: 700 15px/1.1 'Fredoka', sans-serif;
  text-shadow: 0 2px 0 #0b1217;
}

.index-search-wrap {
  position: relative;
}

.index-search-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 9px;
  min-width: 0;
}

.index-search-wrap::before {
  content: '';
  position: absolute;
  left: 17px;
  top: 50%;
  width: 16px;
  height: 16px;
  border: 4px solid #fff;
  border-radius: 50%;
  transform: translateY(-58%);
  opacity: .96;
}

.index-search-wrap::after {
  content: '';
  position: absolute;
  left: 34px;
  top: 54%;
  width: 11px;
  height: 4px;
  border-radius: 9px;
  background: #fff;
  transform: rotate(45deg);
  transform-origin: left center;
}

.index-search {
  width: 100%;
  height: 58px;
  border: 2px solid rgba(5, 13, 18, .72);
  border-radius: 2px;
  outline: none;
  background: #25353c;
  color: #fff;
  padding: 0 18px 0 58px;
  font: 700 24px/1 'Fredoka', sans-serif;
  box-shadow: inset 0 2px 0 rgba(255, 255, 255, .05);
}

.index-search::placeholder { color: rgba(255,255,255,.9); }
.index-search:focus { border-color: #86f2d2; box-shadow: 0 0 0 3px rgba(134, 242, 210, .18); }

.missing-toggle {
  display: inline-flex;
  min-width: 164px;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 2px solid rgba(6, 18, 24, .72);
  border-radius: 2px;
  background: #31444c;
  color: #fff;
  padding: 0 13px;
  font: 700 13px/1.05 'Fredoka', sans-serif;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, transform .15s ease;
}
.missing-toggle b {
  min-width: 27px;
  border-radius: 999px;
  background: rgba(0,0,0,.28);
  color: #bdefff;
  padding: 5px 7px;
  font-size: 11px;
}
.missing-toggle:hover:not(:disabled) { transform: translateY(-1px); border-color: #8ef0d4; background: #3b5960; }
.missing-toggle.active { border-color: #ff7d91; background: #8c2739; box-shadow: inset 0 0 0 1px rgba(255,255,255,.08); }
.missing-toggle.active b { background: rgba(0,0,0,.34); color: #fff; }
.missing-toggle:disabled { cursor: wait; opacity: .62; }

.index-total {
  min-width: 145px;
  text-align: right;
  color: #fff;
  font: 700 30px/1 'Fredoka', sans-serif;
  text-shadow: 0 3px 0 #071015, 2px 0 0 #071015, -2px 0 0 #071015;
}

.index-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  min-height: 650px;
}

.mutation-sidebar {
  padding: 14px 10px;
  background: linear-gradient(180deg, rgba(22, 65, 41, .96), rgba(14, 48, 34, .96));
  border-right: 6px solid rgba(24, 67, 57, .9);
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: #6e8992 rgba(0,0,0,.25);
}

.mutation-list { display: grid; gap: 6px; }

.mutation-tab {
  --mutation-color: #9ca3af;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  width: 100%;
  min-height: 58px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 0;
  background: rgba(8, 28, 20, .68);
  color: #fff;
  padding: 7px 10px;
  text-align: left;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}

.mutation-tab:hover { transform: translateX(3px); background: rgba(20, 65, 45, .9); }
.mutation-tab.active {
  border-color: var(--mutation-color);
  background: linear-gradient(90deg, color-mix(in srgb, var(--mutation-color) 26%, #173c2c), rgba(13, 44, 32, .96));
  box-shadow: inset 4px 0 var(--mutation-color), 0 0 18px color-mix(in srgb, var(--mutation-color) 24%, transparent);
}

.mutation-cube {
  width: 30px;
  aspect-ratio: 1;
  border: 2px solid rgba(255,255,255,.78);
  border-radius: 5px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.46), transparent 38%),
    var(--mutation-color);
  box-shadow: inset -5px -5px 0 rgba(0,0,0,.18), 0 3px 0 rgba(0,0,0,.3);
}

.mutation-copy { min-width: 0; }
.mutation-copy strong {
  display: block;
  overflow: hidden;
  color: var(--mutation-color);
  font: 700 19px/1.05 'Fredoka', sans-serif;
  text-overflow: ellipsis;
  text-shadow: 0 2px 0 #030706, 1px 0 0 #030706, -1px 0 0 #030706;
  white-space: nowrap;
}
.mutation-copy small { display: block; margin-top: 4px; color: #d7e7e2; font: 600 11px/1 'Fredoka', sans-serif; }

.index-catalog {
  min-width: 0;
  background: linear-gradient(180deg, rgba(6, 18, 18, .82), rgba(13, 36, 28, .88));
}

.index-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--index-line);
  background: rgba(6, 17, 20, .68);
}

.rarity-tabs {
  display: flex;
  gap: 6px;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.rarity-tabs::-webkit-scrollbar { display: none; }
.rarity-tab {
  flex: 0 0 auto;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 7px;
  background: rgba(20, 34, 41, .88);
  color: #dbe8eb;
  padding: 7px 11px;
  font: 700 12px/1 'Fredoka', sans-serif;
  cursor: pointer;
}
.rarity-tab:hover,.rarity-tab.active { border-color: #68ddff; background: rgba(44, 123, 144, .32); color: #fff; }
.visible-count { margin-left: auto; flex: 0 0 auto; color: #9eb2b5; font: 600 12px/1 'Fredoka', sans-serif; }

.brainrot-index-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 10px;
  max-height: 585px;
  padding: 12px;
  overflow-y: auto;
  scrollbar-color: #607983 rgba(0,0,0,.35);
  scrollbar-width: thin;
}

.index-card {
  --rarity-color: #a0a0a8;
  --mutation-color: #8f9aa1;
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 200px;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(173, 223, 209, .14);
  background: linear-gradient(180deg, rgba(2, 10, 12, .78), rgba(13, 37, 28, .88));
  color: #fff;
  text-decoration: none;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}

.index-card:hover { transform: translateY(-3px); border-color: var(--mutation-color); box-shadow: 0 12px 28px rgba(0,0,0,.3); }
.checklist-card {
  appearance: none;
  width: 100%;
  padding: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.checklist-card.owned {
  border-color: var(--mutation-color);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--mutation-color) 36%, transparent);
}
.checklist-card.locked .index-card-image::after { display: none; }
.index-check {
  position: absolute;
  z-index: 3;
  top: 7px;
  right: 7px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 4px;
  background: rgba(2,8,10,.82);
  color: rgba(255,255,255,.5);
  padding: 4px 6px;
  font: 700 9px/1 'Fredoka',sans-serif;
  letter-spacing: .7px;
}
.checklist-card.owned .index-check {
  border-color: color-mix(in srgb, var(--mutation-color) 70%, white);
  background: color-mix(in srgb, var(--mutation-color) 26%, #06110e);
  color: #fff;
}
.index-card-image {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 142px;
  padding: 8px;
  background: radial-gradient(circle, color-mix(in srgb, var(--mutation-color) 18%, transparent), transparent 66%);
}
.index-card img {
  width: 124px;
  height: 124px;
  object-fit: contain;
  transition: filter .2s ease, opacity .2s ease, transform .2s ease;
}
.index-card:hover img { transform: scale(1.035); }

.index-card.locked img { filter: grayscale(1) brightness(.055) contrast(2.6) !important; opacity: .9; }
.index-card.locked .index-card-image::after {
  content: 'MISSING';
  position: absolute;
  inset: auto 8px 8px;
  color: rgba(255,255,255,.44);
  font: 700 10px/1 'Fredoka',sans-serif;
  letter-spacing: 1px;
  text-align: center;
}
.index-card.preview { opacity: .94; }

.index-card-copy {
  flex: 1;
  padding: 9px 10px 10px;
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(7, 18, 23, .88);
}
.index-card-name {
  display: -webkit-box;
  overflow: hidden;
  color: #fff;
  font: 700 15px/1.15 'Fredoka', sans-serif;
  text-shadow: 0 2px 0 #030607;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.index-card-meta { display: flex; justify-content: space-between; gap: 6px; margin-top: 7px; color: #aebfc2; font: 600 10px/1 'Fredoka', sans-serif; }
.index-card-meta .mutation-name { color: var(--mutation-color); }
.index-card-meta .rarity-name { color: var(--rarity-color); text-align: right; }
.index-new {
  position: absolute;
  z-index: 2;
  top: 7px;
  left: 7px;
  border: 1px solid #ff8b8b;
  border-radius: 4px;
  background: rgba(118, 14, 20, .88);
  color: #fff;
  padding: 3px 6px;
  font: 700 9px/1 'Fredoka', sans-serif;
}

.mutation-gold.owned img { filter: sepia(.9) saturate(3.1) hue-rotate(348deg) brightness(1.08); }
.mutation-diamond.owned img { filter: sepia(.35) saturate(2.8) hue-rotate(135deg) brightness(1.12); }
.mutation-rainbow.owned img { animation: indexRainbow 5s linear infinite; }
.mutation-bloodrot.owned img { filter: sepia(.8) saturate(4) hue-rotate(318deg) brightness(.86); }
.mutation-candy.owned img { filter: sepia(.4) saturate(2.7) hue-rotate(278deg) brightness(1.1); }
.mutation-lava.owned img { filter: sepia(.7) saturate(4.4) hue-rotate(330deg) brightness(1.08); }
.mutation-galaxy.owned img { filter: sepia(.35) saturate(3.2) hue-rotate(210deg); }
.mutation-radioactive.owned img { filter: sepia(.65) saturate(4) hue-rotate(60deg) brightness(1.18); }
.mutation-cursed.owned img { filter: sepia(.6) saturate(4) hue-rotate(320deg) brightness(.8); }
.mutation-divine.owned img { filter: sepia(.5) saturate(2) brightness(1.28); }
.mutation-cyber.owned img { filter: sepia(.35) saturate(2.6) hue-rotate(125deg) contrast(1.15); }
.mutation-phantom.owned img { filter: grayscale(.75) contrast(1.3) brightness(.85); opacity: .82; }
.mutation-crystal.owned img { filter: sepia(.2) saturate(2.2) hue-rotate(165deg) brightness(1.18); }
@keyframes indexRainbow { to { filter: hue-rotate(360deg) saturate(1.7); } }

.index-progress {
  padding: 14px 22px 18px;
  border-top: 5px solid rgba(91, 199, 118, .48);
  background: rgba(21, 69, 43, .96);
}
.progress-copy { display: flex; align-items: center; justify-content: space-between; gap: 14px; color: #fff; font: 700 15px/1.25 'Fredoka',sans-serif; text-shadow: 0 2px 0 #07100b; }
.progress-copy strong { color: var(--mutation-color, #72ee72); }
.progress-track { height: 22px; margin-top: 10px; overflow: hidden; border: 2px solid rgba(0,0,0,.45); background: rgba(0,0,0,.72); }
.progress-track span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, #58d85b, #a3ff76); transition: width .35s ease; }

.index-account-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 16px;
  padding: 15px 18px;
  border: 1px solid rgba(83, 210, 238, .28);
  border-radius: 12px;
  background: rgba(13, 28, 48, .72);
}
.index-account-note p { margin: 0; color: #aebecb; font-size: 13px; }
.index-account-note strong { display: block; margin-bottom: 3px; color: #fff; font: 700 17px/1.15 'Fredoka',sans-serif; }
.index-account-actions { display: flex; flex: 0 0 auto; gap: 8px; }
.index-action {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(93, 212, 255, .45);
  border-radius: 9px;
  background: linear-gradient(135deg, #27bfe7, #6d62ef);
  color: #07111c;
  padding: 0 15px;
  font: 700 13px/1 'Fredoka',sans-serif;
  text-decoration: none;
}
.index-action.secondary { background: #111b31; color: #fff; }

.index-discovery { margin-top: 34px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); }
.index-discovery h2 { margin: 0 0 12px; font: 700 22px/1 'Fredoka',sans-serif; }
.index-link-row { display: flex; flex-wrap: wrap; gap: 8px; }
.index-link-row a { border: 1px solid rgba(123, 151, 180, .28); border-radius: 8px; background: #10182a; color: #dbe6ff; padding: 8px 12px; font: 600 12px/1 'Fredoka',sans-serif; text-decoration: none; }
.index-link-row a:hover { border-color: #5dd4ff; color: #fff; }

.checklist-note .checklist-reset { cursor: pointer; }
.checklist-guide p { max-width: 900px; margin: 0 0 10px; color: #9eb0bd; font-size: 13px; line-height: 1.75; }
.checklist-empty { grid-column: 1/-1; padding: 55px 20px; color: #aebfc2; text-align: center; }

@media (max-width: 900px) {
  .index-topbar { grid-template-columns: 1fr auto; gap: 10px 14px; }
  .index-search-actions { grid-column: 1 / -1; grid-row: 2; }
  .index-layout { grid-template-columns: 1fr; min-height: 0; }
  .mutation-sidebar { border-right: 0; border-bottom: 5px solid rgba(24,67,57,.9); overflow-x: auto; }
  .mutation-list { display: flex; width: max-content; }
  .mutation-tab { width: 168px; }
  .brainrot-index-grid { max-height: 620px; }
}

@media (max-width: 560px) {
  .brainrots-index-page .game-index-shell,
  .brainrots-index-page .breadcrumb { width: min(100% - 18px, 1460px); }
  .brainrots-index-page .game-index-shell { padding-top: 10px; }
  .index-window { border-radius: 5px; }
  .index-topbar { min-height: 0; padding: 12px; }
  .index-heading h1 { font-size: 25px; }
  .index-heading p { font-size: 12px; }
  .index-total { min-width: 94px; font-size: 21px; }
  .index-search { height: 48px; font-size: 18px; }
  .index-search-actions { grid-template-columns: 1fr; }
  .missing-toggle { min-width: 0; min-height: 42px; }
  .mutation-sidebar { padding: 9px 8px; }
  .mutation-tab { width: 142px; min-height: 50px; grid-template-columns: 31px 1fr; padding: 6px 8px; }
  .mutation-cube { width: 25px; }
  .mutation-copy strong { font-size: 15px; }
  .mutation-copy small { font-size: 9px; }
  .index-controls { align-items: flex-start; flex-direction: column; padding: 9px; }
  .rarity-tabs { width: 100%; }
  .visible-count { margin-left: 0; }
  .brainrot-index-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; max-height: 64vh; padding: 8px; }
  .index-card { min-height: 172px; }
  .index-card-image { min-height: 115px; }
  .index-card img { width: 102px; height: 102px; }
  .index-card-copy { padding: 7px 8px 8px; }
  .index-card-name { font-size: 13px; }
  .index-progress { padding: 12px; }
  .progress-copy { align-items: flex-start; flex-direction: column; gap: 4px; font-size: 12px; }
  .index-account-note { align-items: stretch; flex-direction: column; }
  .index-account-actions { width: 100%; }
  .index-action { flex: 1; padding: 0 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .mutation-rainbow.owned img { animation: none; }
  .index-card,.mutation-tab,.index-card img,.progress-track span { transition: none; }
}