.queens-page .queens-shell {
  width: min(100%, 920px);
}

.queens-page .queens-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.queens-page .queens-actions--inline {
  margin-top: 0;
}

.queens-page .queens-summary {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  margin-top: 18px;
}

.queens-page .queens-generate-form {
  width: min(100%, 720px);
  margin: 18px auto 0;
}

.queens-page .queens-generate-form--compact {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(96, 117, 142, 0.16);
}

.queens-page .queens-generate-form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.queens-page .queens-generate-form select {
  max-width: none;
}

.queens-page .queens-list-card,
.queens-page .queens-status-banner,
.queens-page .queens-meta-bar,
.queens-page .queens-controls,
.queens-page .queens-result {
  margin-top: 18px;
}

.queens-page .queens-meta-bar {
  gap: 10px 14px;
}

.queens-page .queens-meta-bar span {
  color: var(--text-soft);
}

.queens-page .queens-meta-bar strong {
  color: var(--text-strong);
}

.queens-page .queens-list-header {
  display: grid;
  gap: 6px;
  margin-bottom: 16px;
}

.queens-page .queens-filter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.queens-page .queens-filter__chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text-strong);
  text-decoration: none;
  font-weight: 700;
  box-shadow: var(--shadow-soft);
}

.queens-page .queens-filter__chip:hover,
.queens-page .queens-filter__chip.is-active {
  color: #ffffff;
  border-color: rgba(37, 99, 235, 0.48);
  background: linear-gradient(145deg, var(--accent), var(--accent-strong));
}

.queens-page .queens-puzzle-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.queens-page .queens-puzzle-card {
  display: grid;
  gap: 12px;
  padding: 18px;
  background: linear-gradient(180deg, #ffffff, #f6fbff);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.queens-page .queens-puzzle-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.queens-page .queens-puzzle-card__id {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  color: #ffffff;
  background: linear-gradient(145deg, var(--accent), var(--accent-strong));
  font-size: 0.86rem;
  font-weight: 800;
}

.queens-page .queens-puzzle-card__difficulty {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--text-strong);
  background: rgba(219, 234, 254, 0.52);
  font-size: 0.8rem;
  font-weight: 700;
}

.queens-page .queens-puzzle-card__meta {
  display: grid;
  gap: 8px;
  color: var(--text-soft);
  font-size: 0.94rem;
}

.queens-page .queens-board-wrap {
  width: min(100%, 720px);
  margin: 18px auto 0;
  padding: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), #f7fbff);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.queens-page .queens-grid {
  --grid-size: 6;
  display: grid;
  grid-template-columns: repeat(var(--grid-size), minmax(0, 1fr));
  gap: 4px;
  width: 100%;
}

.queens-page .queens-cell {
  width: 100%;
  min-height: 0;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
  border: 1px solid rgba(15, 33, 55, 0.12);
  border-radius: 14px;
  background: var(--region-bg, rgba(219, 234, 254, 0.5));
  color: var(--text-strong);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.queens-page .queens-cell:hover {
  transform: translateY(-1px);
  border-color: rgba(37, 99, 235, 0.38);
}

.queens-page .queens-cell.is-queen {
  border-color: rgba(37, 99, 235, 0.48);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.queens-page .queens-cell.is-conflict {
  border-color: rgba(220, 38, 38, 0.6);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.14);
}

.queens-page .queens-cell.is-finished {
  cursor: default;
}

.queens-page .queens-cell__queen {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 70%;
  height: 70%;
  border-radius: 50%;
  color: #ffffff;
  background: linear-gradient(145deg, var(--accent), var(--accent-strong));
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.28);
  font-size: clamp(1rem, 5vw, 1.7rem);
  line-height: 1;
}

.queens-page .queens-cell.is-conflict .queens-cell__queen {
  background: linear-gradient(145deg, #ef4444, #b91c1c);
  box-shadow: 0 10px 24px rgba(185, 28, 28, 0.24);
}

.queens-page .queens-status-banner {
  text-align: left;
}

.queens-page .queens-status-banner strong {
  display: block;
  margin-bottom: 8px;
}

.queens-page .queens-result {
  text-align: left;
}

.queens-page .queens-result strong {
  display: block;
  margin-bottom: 8px;
}

.queens-page .queens-result__actions {
  margin-top: 14px;
}

.queens-page .queens-status-banner.is-success {
  color: var(--success);
  border-color: rgba(15, 159, 110, 0.24);
  background: var(--success-soft);
}

.queens-page .queens-status-banner.is-warning {
  color: var(--warning);
  border-color: rgba(217, 119, 6, 0.24);
  background: var(--warning-soft);
}

.queens-page .queens-status-banner.is-danger {
  color: var(--danger);
  border-color: rgba(220, 38, 38, 0.24);
  background: var(--danger-soft);
}

.queens-page .queens-legend {
  width: min(100%, 720px);
  margin: 18px auto 0;
  display: grid;
  gap: 10px;
}

.queens-page .queens-legend__item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-soft);
}

.queens-page .queens-legend__icon {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid rgba(15, 33, 55, 0.14);
  background: linear-gradient(180deg, #ffffff, #f6fbff);
  box-shadow: var(--shadow-soft);
  color: var(--accent-strong);
  font-size: 1.1rem;
  font-weight: 900;
}

.queens-page .queens-legend__icon.is-conflict {
  color: var(--danger);
  border-color: rgba(220, 38, 38, 0.24);
  background: var(--danger-soft);
}

@media (max-width: 640px) {
  .queens-page .queens-shell {
    width: 100%;
  }

  .queens-page .queens-board-wrap {
    width: 100%;
    padding: 8px;
  }

  .queens-page .queens-grid {
    gap: 3px;
  }

  .queens-page .queens-cell {
    border-radius: 11px;
  }

  .queens-page .queens-cell__queen {
    width: 72%;
    height: 72%;
    font-size: clamp(0.92rem, 5.6vw, 1.34rem);
  }

  .queens-page .queens-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .queens-page .queens-actions > * {
    width: 100%;
  }

  .queens-page .queens-puzzle-grid {
    grid-template-columns: 1fr;
  }

  .queens-page .queens-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .queens-page .queens-generate-form__grid {
    grid-template-columns: 1fr;
  }

  .queens-page .queens-filter {
    gap: 8px;
  }

  .queens-page .queens-filter__chip {
    flex: 1 1 0;
    min-width: 0;
    padding: 0 10px;
  }
}