.nav-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.checklist-shell {
  background:
    radial-gradient(circle at 78% 8%, rgba(98, 226, 155, 0.18), transparent 30rem),
    linear-gradient(180deg, #07101f 0%, #111827 100%);
}

.checklist-hero {
  min-height: 360px;
}

.checklist-heading {
  width: min(1180px, calc(100% - 32px));
  margin: 70px auto 0;
}

.sprite-page {
  padding-top: 0;
}

.sprite-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.checklist-tools {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.copy-message-button {
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  padding: 0 16px;
  background: #fff;
  color: #111827;
  font-weight: 850;
  cursor: pointer;
  white-space: nowrap;
}

.copy-status {
  min-width: 76px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}

.filter-controls {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.filter-menu {
  position: relative;
}

.filter-menu summary,
.reset-filter-button {
  min-height: 42px;
  border-radius: 8px;
  border: 1px solid var(--line);
  color: var(--ink);
  font-weight: 800;
}

.filter-menu summary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 142px;
  padding: 0 14px;
  background: rgba(255, 255, 255, 0.1);
  cursor: pointer;
  list-style: none;
}

.filter-menu summary::-webkit-details-marker {
  display: none;
}

.filter-menu summary::after {
  content: "";
  width: 8px;
  height: 8px;
  margin-left: auto;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}

.filter-menu[open] summary::after {
  transform: rotate(225deg) translate(-2px, -2px);
}

.filter-options {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 20;
  width: min(320px, calc(100vw - 24px));
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #111827;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
}

.filter-option {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.filter-option input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--cyan);
}

.reset-filter-button {
  padding: 0 14px;
  background: rgba(255, 255, 255, 0.1);
}

.sprite-card {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.35);
  border-radius: 8px;
}

.sprite-card {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  min-height: 150px;
  padding: 16px;
}

.sprite-card[hidden] {
  display: none;
}

.sprite-card label {
  cursor: pointer;
}

.sprite-info {
  display: grid;
  gap: 7px;
}

.sprite-toggle input {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  accent-color: var(--green);
}

.sprite-card img {
  width: 86px;
  height: 86px;
  object-fit: contain;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  padding: 8px;
}

.sprite-card strong {
  display: block;
  font-size: 20px;
  margin-bottom: 7px;
}

.sprite-card small {
  display: block;
  color: var(--muted);
  line-height: 1.4;
}

.sprite-actions {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.sprite-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.mastered-toggle input {
  accent-color: var(--yellow);
}

.sprite-card.is-found {
  border-color: rgba(98, 226, 155, 0.7);
  background: rgba(20, 45, 38, 0.82);
}

.sprite-card.is-found img {
  background: rgba(98, 226, 155, 0.12);
}

.sprite-card.is-mastered {
  border-color: rgba(247, 212, 74, 0.85);
  background:
    linear-gradient(135deg, rgba(247, 212, 74, 0.13), rgba(20, 45, 38, 0.82)),
    var(--panel);
}

.sprite-card.is-mastered img {
  background: rgba(247, 212, 74, 0.16);
}

@media (max-width: 900px) {
  .sprite-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .checklist-heading {
    width: min(100% - 24px, 1180px);
  }

  .ghost-button.nav-link {
    display: inline-flex;
  }

  .topbar .nav-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .topbar .nav-actions .nav-link,
  .topbar .nav-actions #resetChecklist {
    display: inline-flex;
    min-height: 38px;
    padding-inline: 12px;
  }

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

  .checklist-tools {
    width: 100%;
  }

  .copy-message-button {
    flex: 1;
  }

  .filter-controls {
    width: 100%;
    justify-content: stretch;
  }

  .filter-menu {
    flex: 1 1 150px;
  }

  .filter-menu summary,
  .reset-filter-button {
    width: 100%;
    justify-content: center;
  }

  .filter-options {
    left: 0;
    right: auto;
  }

  .sprite-card {
    grid-template-columns: 76px minmax(0, 1fr);
    min-height: 156px;
  }

  .sprite-card img {
    width: 76px;
    height: 76px;
  }

  .sprite-toggle input {
    width: 22px;
    height: 22px;
  }
}