.solver-main {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: start;
}

.solver-main > .card {
  min-width: 0;
}

.solver-wide {
  grid-column: 1 / -1;
}

.solver-half {
  grid-column: span 6;
}

.solver-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr);
  gap: 24px;
  align-items: center;
}

.solver-tip {
  margin: 0;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #f8fafc;
  color: var(--muted);
}

.solver-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.solver-actions .cta {
  flex: 1 1 180px;
  width: auto;
  margin-top: 0;
}

.solver-status {
  min-height: 1.6em;
  margin: 14px 0 0;
}

.solver-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.solver-stat {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #f8fafc;
  text-align: center;
}

.solver-stat strong {
  display: block;
  color: var(--accent-dark);
  font-size: 1.65rem;
  line-height: 1.2;
}

.solver-chip-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.solver-chip {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-align: center;
  text-transform: uppercase;
}

.solver-faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.solver-faq-item {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #f8fafc;
}

.solver-faq-item h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.solver-faq-item p {
  margin: 0;
  color: var(--muted);
}

.quordle-board-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.quordle-board {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #f8fafc;
}

.quordle-board h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
}

.quordle-number {
  display: inline-grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  font-size: 0.9rem;
}

.quordle-board label {
  margin-top: 14px;
  font-size: 0.95rem;
}

.quordle-pattern {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 800;
  letter-spacing: 0.35em !important;
  text-align: center;
  text-transform: uppercase;
}

.quordle-results-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.quordle-result-board {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #f8fafc;
}

.quordle-result-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.quordle-result-head h3,
.quordle-result-head p {
  margin: 0;
}

.letter-boxed-entry {
  display: grid;
  grid-template-columns: minmax(320px, 0.75fr) minmax(0, 1.25fr);
  gap: 32px;
  align-items: center;
}

.letter-boxed-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.letter-boxed-fields label {
  margin-top: 0;
}

.letter-boxed-fields input {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.25em;
}

.letter-boxed-preview {
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: 1;
  margin: 0 auto;
  border: 4px solid #334155;
  border-radius: 28px;
  background: linear-gradient(145deg, #fff 0%, #f8fafc 100%);
  box-shadow: inset 0 0 0 10px #e2e8f0, 0 14px 30px rgba(15, 23, 42, 0.12);
}

.boxed-side {
  display: flex;
  position: absolute;
  align-items: center;
  justify-content: space-around;
  color: #1e293b;
  font-size: clamp(1rem, 3vw, 1.45rem);
  font-weight: 900;
  text-transform: uppercase;
}

.boxed-side span {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 2px solid #cbd5e1;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 5px 12px rgba(15, 23, 42, 0.1);
}

.boxed-side.top,
.boxed-side.bottom {
  right: 15%;
  left: 15%;
}

.boxed-side.top { top: -24px; }
.boxed-side.bottom { bottom: -24px; }

.boxed-side.left,
.boxed-side.right {
  top: 15%;
  bottom: 15%;
  flex-direction: column;
}

.boxed-side.left { left: -24px; }
.boxed-side.right { right: -24px; }

.boxed-center {
  display: grid;
  position: absolute;
  inset: 25%;
  place-items: center;
  border-radius: 22px;
  background: #eff6ff;
  color: var(--accent-dark);
  font-weight: 800;
  text-align: center;
}

.chain-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chain-item {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
}

.chain-words {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  color: var(--accent-dark);
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.chain-arrow {
  color: var(--muted);
}

.chain-meta {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.85rem;
}

.solution-group + .solution-group {
  margin-top: 26px;
}

.solution-group h3 {
  margin-bottom: 12px;
}

@media (max-width: 900px) {
  .solver-main {
    grid-template-columns: 1fr;
  }

  .solver-main > .card,
  .solver-half {
    grid-column: 1;
  }

  .solver-intro,
  .letter-boxed-entry {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .quordle-board-grid,
  .quordle-results-grid,
  .solver-faq-grid {
    grid-template-columns: 1fr;
  }

  .letter-boxed-preview {
    width: min(82vw, 300px);
  }
}

@media (max-width: 480px) {
  .letter-boxed-fields {
    grid-template-columns: 1fr;
  }

  .solver-actions .cta {
    width: 100%;
  }
}