:root {
  color-scheme: only light;
  --bg: #fdfcf6;
  --bg-accent: #fffbea;
  --fg: #1f2933;
  --fg-muted: #6b7280;
  --brand: #facc15;
  --brand-strong: #eab308;
  --brand-dark: #92400e;
  --card-bg: #ffffff;
  --card-border: #e5e7eb;
  --shadow-soft: 0 18px 36px rgba(15, 23, 42, 0.08);
  --grid-border: rgba(107, 114, 128, 0.45);
  --grid-number: rgba(100, 116, 139, 0.7);
  --cell-bg: #ffffff;
  --cell-inactive: #eef1f9;
  --cell-border: rgba(148, 163, 184, 0.6);
  --cell-correct: rgba(34, 197, 94, 0.23);
  --cell-incorrect: rgba(248, 113, 113, 0.28);
  --focus-ring: 0 0 0 3px rgba(250, 204, 21, 0.45);
  --transition: 160ms ease-in-out;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top, rgba(250, 204, 21, 0.12), transparent 60%),
    linear-gradient(160deg, var(--bg), #f8fafc);
  color: var(--fg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.dc-container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.dc-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--card-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg);
}

.brand-mark {
  font-size: 1.35rem;
  color: var(--brand-strong);
}

.dc-nav {
  display: inline-flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.nav-link {
  color: var(--fg-muted);
  text-decoration: none;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  transition: color var(--transition), background-color var(--transition), transform var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--brand-dark);
  background: rgba(250, 204, 21, 0.22);
}

.nav-link.active {
  color: var(--brand-dark);
  background: rgba(250, 204, 21, 0.3);
}

.nav-link.disabled {
  opacity: 0.4;
  pointer-events: none;
}

.dc-main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.hero {
  padding: 4rem 0 2.5rem;
  background: linear-gradient(180deg, var(--bg-accent), transparent);
}

.home-hero {
  padding: 3rem 0 1rem;
  background: linear-gradient(180deg, rgba(250, 204, 21, 0.18), rgba(255, 255, 255, 0));
}

.home-hero-inner {
  display: grid;
  gap: 0.9rem;
  text-align: center;
}

.home-title {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.6rem);
  color: var(--fg);
}

.home-tagline {
  margin: 0 auto;
  max-width: 52ch;
  color: var(--fg-muted);
  line-height: 1.6;
}

.hero-inner {
  display: grid;
  gap: 1.5rem;
}

.hero-text h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(2.2rem, 4vw, 3.1rem);
  color: var(--fg);
}

.hero-text p {
  margin: 0;
  color: var(--fg-muted);
  max-width: 48ch;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.75rem;
}

.btn {
  border: none;
  border-radius: 12px;
  padding: 0.7rem 1.3rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition);
  font-family: inherit;
  text-decoration: none;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn.primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: #1f2937;
}

.btn.primary:hover {
  transform: translateY(-1px);
}

.btn.ghost {
  background: rgba(250, 204, 21, 0.15);
  color: var(--brand-dark);
}

.btn.ghost:hover {
  background: rgba(250, 204, 21, 0.25);
}

.posts-hero {
  padding: 3rem 0 1rem;
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.12), rgba(255, 255, 255, 0));
}

.posts-listing {
  padding: 2.5rem 0 4rem;
}

.posts-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.post-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 1.6rem;
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 0.7rem;
}

.post-card-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.post-card-title {
  margin: 0;
  font-size: 1.4rem;
}

.post-card-title a {
  text-decoration: none;
  color: var(--fg);
}

.post-card-title a:hover,
.post-card-title a:focus-visible {
  color: var(--brand-dark);
}

.post-card-blurb {
  margin: 0;
  color: var(--fg-muted);
  line-height: 1.6;
}

.post-card-link {
  align-self: flex-start;
  font-weight: 600;
  color: var(--brand-dark);
  text-decoration: none;
}

.post-card-link:hover,
.post-card-link:focus-visible {
  text-decoration: underline;
}

.post-hero {
  padding: 3.6rem 0 2rem;
  background: linear-gradient(180deg, rgba(14, 165, 233, 0.14), rgba(255, 255, 255, 0));
}

.post-hero-inner {
  display: grid;
  gap: 0.9rem;
  max-width: 720px;
}

.post-kicker {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.post-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.post-hero p {
  margin: 0;
  color: var(--fg-muted);
  line-height: 1.7;
}

.post-meta {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  color: var(--fg-muted);
  font-size: 0.9rem;
}

.post-article {
  padding: 2.5rem 0 4rem;
}

.post-article-inner {
  max-width: 880px;
  display: grid;
  gap: 2.2rem;
}

.post-article-inner section {
  display: grid;
  gap: 1rem;
}

.post-article-inner p {
  margin: 0;
  line-height: 1.75;
  color: var(--fg);
}

.post-sim h2,
.post-insights h2 {
  margin: 0;
  font-size: 1.6rem;
}

.post-sim-embed {
  margin-top: 0.5rem;
}

.post-insights ul {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.6rem;
  color: var(--fg);
}

.post-insights strong {
  color: var(--fg);
}

.post-outro {
  border-left: 4px solid var(--brand-strong);
  padding-left: 1rem;
}

.btn.subtle {
  background: rgba(148, 163, 184, 0.16);
  color: var(--fg);
}

.btn.subtle:hover {
  background: rgba(148, 163, 184, 0.26);
}

.crossword-card,
.clues-card {
  background: var(--card-bg);
  border-radius: 20px;
  border: 1px solid var(--card-border);
  padding: 1.6rem;
  box-shadow: var(--shadow-soft);
}

.card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 1rem;
}

.card-title {
  margin: 0;
  font-size: 1.45rem;
  color: var(--fg);
}

.card-subtitle {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

.crossword-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(48px, 1fr));
  gap: 6px;
  justify-items: center;
}

.cell {
  position: relative;
  width: 100%;
  padding-top: 100%;
  background: var(--cell-bg);
  border-radius: 12px;
  border: 1px solid var(--cell-border);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
}

.cell.inactive {
  background: var(--cell-inactive);
  border-style: dashed;
  opacity: 0.5;
}

.cell-number {
  position: absolute;
  top: 6px;
  left: 8px;
  font-size: 0.65rem;
  color: var(--grid-number);
  letter-spacing: 0.03em;
}

.cell-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  background: transparent;
  text-transform: uppercase;
  color: var(--fg);
  font-size: clamp(1.2rem, 4vw, 1.8rem);
  text-align: center;
  font-weight: 600;
  caret-color: var(--brand-dark);
}

.cell-input:focus-visible {
  outline: none;
  box-shadow: inset var(--focus-ring);
}

.cell.correct {
  background: var(--cell-correct);
}

.cell.incorrect {
  background: var(--cell-incorrect);
}

.cell.selected {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(96, 165, 250, 0.18));
  border-color: rgba(37, 99, 235, 0.85);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.22);
}

.cell.selected .cell-number {
  color: rgba(15, 23, 42, 0.85);
}

.cell.selected .cell-input {
  color: var(--fg);
}

.card-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.35rem;
}

.control-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.control-btn {
  padding: 0.9rem 1.6rem;
  min-width: 120px;
  font-size: 1rem;
}

.hint-controls {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.hint-trigger {
  min-width: 160px;
  padding: 1rem 1.85rem;
  font-size: 1.05rem;
  font-weight: 600;
  background: linear-gradient(140deg, rgba(37, 99, 235, 0.96), rgba(96, 165, 250, 0.92));
  color: #f8fafc;
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.2);
  transition: transform var(--transition), box-shadow var(--transition), background-image var(--transition);
}

.hint-trigger:hover,
.hint-trigger:focus-visible {
  background: linear-gradient(140deg, rgba(29, 78, 216, 1), rgba(96, 165, 250, 0.98));
  color: #f8fafc;
  transform: translateY(-2px);
  box-shadow: 0 22px 48px rgba(15, 23, 42, 0.26);
}

.hint-output {
  display: none;
  margin-top: 1rem;
  padding: 1rem 1.2rem;
  border-radius: 12px;
  border: 1px solid rgba(37, 99, 235, 0.3);
  background: rgba(191, 219, 254, 0.28);
  color: var(--fg);
  line-height: 1.5;
}

.hint-output.active {
  display: block;
}


.completion-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 118, 110, 0.4);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  z-index: 1100;
}

.completion-modal.open {
  opacity: 1;
  pointer-events: auto;
}

.completion-modal-window {
  background: var(--card-bg);
  border-radius: 28px;
  padding: 2.2rem 2.6rem;
  width: min(420px, 90vw);
  text-align: center;
  box-shadow: 0 26px 60px rgba(13, 148, 136, 0.3);
  display: grid;
  gap: 1rem;
}

.completion-modal-window h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.4rem);
  color: var(--fg);
}

.completion-modal-window p {
  margin: 0;
  font-size: 1.05rem;
  color: var(--fg-muted);
}

.completion-dismiss {
  justify-self: center;
  padding: 0.7rem 1.6rem;
}

.hint-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  z-index: 1000;
}

.hint-modal.open {
  opacity: 1;
  pointer-events: auto;
}

.hint-modal-window {
  position: relative;
  background: var(--card-bg);
  border-radius: 24px;
  padding: 2rem 2.4rem;
  width: min(420px, 90vw);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.25);
  display: grid;
  gap: 1.2rem;
}

.hint-modal-title {
  margin: 0;
  font-size: 1.8rem;
  color: var(--fg);
}

.hint-modal-subtitle {
  margin: 0;
  color: var(--fg-muted);
  line-height: 1.6;
}

.hint-modal-options {
  display: grid;
  gap: 1rem;
}

.hint-option-btn {
  border: none;
  border-radius: 18px;
  padding: 1.35rem 1.5rem;
  display: grid;
  gap: 0.45rem;
  text-align: left;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background-image var(--transition);
  box-shadow: var(--shadow-soft);
}

.hint-option-btn:hover,
.hint-option-btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 20px 44px rgba(15, 23, 42, 0.2);
}

.hint-option-definition {
  background: linear-gradient(135deg, rgba(250, 204, 21, 0.92), rgba(253, 224, 71, 0.88));
  color: #1f2937;
}

.hint-option-definition:hover,
.hint-option-definition:focus-visible {
  background: linear-gradient(135deg, rgba(250, 204, 21, 1), rgba(253, 224, 71, 0.95));
}

.hint-option-cryptic {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.94), rgba(59, 130, 246, 0.92));
  color: #f8fafc;
}

.hint-option-cryptic:hover,
.hint-option-cryptic:focus-visible {
  background: linear-gradient(135deg, rgba(29, 78, 216, 1), rgba(96, 165, 250, 0.95));
}

.hint-option-label {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.hint-option-text {
  font-size: 0.95rem;
  opacity: 0.85;
}

.hint-modal-cancel {
  justify-self: end;
  padding: 0.65rem 1.2rem;
}

.clues-group + .clues-group {
  margin-top: 2rem;
}

.clues-group h3 {
  margin: 0 0 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fg-muted);
  font-size: 0.86rem;
}

.clue-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.clue-list li {
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  background: rgba(250, 204, 21, 0.08);
  border: 1px solid rgba(250, 204, 21, 0.16);
  line-height: 1.5;
  cursor: pointer;
}

.clue-list li.selected {
  border-color: rgba(59, 130, 246, 0.45);
  background: rgba(59, 130, 246, 0.18);
}

.clue-number {
  display: inline-block;
  min-width: 2.5ch;
  font-weight: 600;
  color: var(--brand-dark);
}

.archive-container {
  padding: 4rem 0;
}

.archive-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.archive-header h2 {
  margin: 0;
  font-size: 2rem;
  color: var(--fg);
}

.archive-subtitle {
  margin: 0.4rem 0 0;
  color: var(--fg-muted);
  max-width: 52ch;
}

.archive-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.archive-item {
  padding: 0;
  border-radius: 16px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.archive-item.active {
  border-color: rgba(250, 204, 21, 0.65);
  box-shadow: 0 10px 28px rgba(250, 204, 21, 0.18);
}

.archive-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
}

.archive-item a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.3rem;
  text-decoration: none;
  color: inherit;
}

.archive-item .meta {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.archive-item .meta-title {
  font-weight: 600;
  color: var(--fg);
}

.archive-item .meta-date {
  color: var(--fg-muted);
  font-size: 0.9rem;
}

.archive-item .meta-link {
  color: var(--brand-dark);
  font-weight: 600;
  font-size: 0.95rem;
  transition: color var(--transition);
}

.archive-item a:hover .meta-link,
.archive-item a:focus-visible .meta-link {
  color: var(--brand-strong);
}

.solve-main {
  padding: 3.5rem 0;
}

.solve-layout {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
  align-items: start;
}

.solver-meta {
  display: flex;
  gap: 0.75rem;
}


.solve-timer {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 78px;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.18);
  color: var(--fg);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.solve-timer::before {
  content: "\23F1";
  margin-right: 0.4rem;
  font-size: 0.9rem;
}

.solver-archive .archive-list {
  display: grid;
  gap: 0.75rem;
}

.solver-help .solver-note {
  margin: 0;
  color: var(--fg-muted);
  line-height: 1.6;
}

.solver-help .solver-note a {
  color: var(--brand-dark);
  font-weight: 600;
  text-decoration: none;
}

.solver-help .solver-note a:hover {
  text-decoration: underline;
}

.archive-list.compact .archive-item a {
  padding: 0.85rem 1rem;
}

body[data-page="home"] .solve-layout {
  gap: 1.75rem;
  grid-template-columns: minmax(0, 1.8fr) minmax(0, 1fr);
}

body[data-page="home"] .crossword-card,
body[data-page="home"] .clues-card {
  padding: 1.2rem;
  border-radius: 16px;
}

body[data-page="home"] .crossword-grid {
  gap: 4px;
  grid-template-columns: repeat(auto-fit, minmax(42px, 1fr));
}

body[data-page="home"] .cell {
  border-radius: 10px;
}

body[data-page="home"] .card-controls {
  justify-content: space-between;
}

body[data-page="home"] .btn.subtle,
body[data-page="home"] .btn.ghost {
  padding: 0.6rem 1rem;
}

body[data-page="home"] .control-btn {
  padding: 0.85rem 1.5rem;
}

.dc-footer {
  margin-top: auto;
  padding: 2.2rem 0;
  background: rgba(255, 255, 255, 0.92);
  border-top: 1px solid var(--card-border);
}

.footer-inner {
  text-align: center;
  color: var(--fg-muted);
  letter-spacing: 0.03em;
}

@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .dc-nav {
    justify-content: flex-start;
  }

  .hero {
    padding-top: 3.2rem;
  }

  .solve-layout {
    grid-template-columns: 1fr;
  }

  .card-controls {
    justify-content: center;
    gap: 1rem;
  }

  .solver-meta {
    justify-content: center;
  }

  .hint-controls {
    width: 100%;
    justify-content: center;
  }

  .hint-trigger {
    width: 100%;
  }

  .hint-output {
    text-align: center;
  }

  .hint-modal-window {
    padding: 1.8rem 2rem;
    width: min(92vw, 420px);
  }

  .completion-modal-window {
    padding: 2rem;
    width: min(92vw, 420px);
  }
}

@media (max-width: 480px) {
  .crossword-grid {
    grid-template-columns: repeat(5, minmax(44px, 1fr));
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .control-buttons {
    width: 100%;
    justify-content: center;
  }

  .control-btn {
    flex: 1 1 120px;
  }

  .hint-trigger {
    width: 100%;
  }

  .hint-modal-window {
    padding: 1.6rem 1.8rem;
  }

  .completion-modal-window {
    padding: 1.8rem;
  }

  .hint-option-btn {
    padding: 1.15rem 1.2rem;
  }
}