:root {
  --page-bg: #f5f7fb;
  --surface-bg: #ffffff;
  --surface-border: #e2e8f0;
  --surface-shadow: 0 22px 48px -32px rgba(15, 23, 42, 0.5);
  --header-bg: #101827;
  --header-text: #e0e7ff;
  --accent: #6366f1;
  --accent-soft: #eef2ff;
  --text-primary: #1f2933;
  --text-secondary: #4b5563;
  --muted: #94a3b8;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  min-height: 100vh;
  background-color: var(--page-bg);
  color: var(--text-primary);
  line-height: 1.7;
  padding-top: 110px;
}

main {
  display: block;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--header-bg);
  box-shadow: 0 12px 32px -22px rgba(15, 23, 42, 0.85);
  z-index: 1000;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--header-text);
  text-decoration: none;
  letter-spacing: 0.03em;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid rgba(226, 232, 240, 0.3);
  background: rgba(226, 232, 240, 0.08);
  color: var(--header-text);
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
}

.nav-toggle:focus {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.nav-wrapper {
  display: flex;
  align-items: center;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.main-nav a {
  color: var(--header-text);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.nav-dropdown {
  position: relative;
  color: var(--header-text);
  font-size: 0.95rem;
}

.nav-dropdown summary {
  list-style: none;
  cursor: pointer;
  color: inherit;
  text-decoration: none;
  font-weight: 600;
}

.nav-dropdown summary::-webkit-details-marker {
  display: none;
}

.nav-dropdown summary:focus {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}

.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: #0f172a;
  border: 1px solid rgba(226, 232, 240, 0.2);
  border-radius: 8px;
  min-width: 220px;
  box-shadow: 0 18px 36px -24px rgba(0, 0, 0, 0.65);
  padding: 10px 0;
  z-index: 10;
}

.nav-dropdown[open] .nav-dropdown-menu {
  display: block;
}

.nav-dropdown-menu a {
  display: block;
  padding: 8px 14px;
  color: var(--header-text);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-dropdown-menu a:hover,
.nav-dropdown-menu a:focus {
  background: rgba(99, 102, 241, 0.18);
  color: #f8fafc;
}

.main-nav a:hover,
.main-nav a:focus {
  color: #f8fafc;
  text-decoration: underline;
}

.page-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}

.ad-container {
  display: flex;
  align-items: stretch;
  justify-content: center;
  width: min(100%, 1100px);
  margin: 16px auto 28px;
  padding: 8px 12px;
}

.ad-container:empty:not(.ad-reserve) {
  display: none;
  margin: 0;
  padding: 0;
}

.ad-container-top {
  margin-top: 12px;
}

.ad-container.ad-reserve {
  min-height: 110px;
}

.ad-container-bottom {
  margin-bottom: 12px;
}

.adsbygoogle {
  width: min(100%, 970px);
  max-width: 100%;
  min-height: 90px;
  margin: 0 auto;
}

@media (min-width: 1024px) {
  .page-content {
    padding-right: 240px;
  }

  .ad-container-right-rail {
    position: fixed;
    top: calc(110px + 40px + 12px);
    right: 24px;
    width: 200px;
    max-width: 200px;
    margin: 0;
    padding: 0;
  }

  .ad-container-right-rail .adsbygoogle {
    width: 200px;
    min-height: 600px;
  }
}

@media (max-width: 640px) {
  .ad-container {
    margin: 12px auto 20px;
    padding: 6px 0;
  }

  .ad-container.ad-reserve {
    min-height: 90px;
  }

  .adsbygoogle {
    min-height: 70px;
  }
}

.page-content > :first-child {
  margin-top: 0;
}

.page-content > .section-card:first-of-type,
.page-content > .hero:first-of-type,
.page-content > .page-hero-image:first-of-type {
  margin-top: 0;
}

.page-content h1,
.page-content h2,
.page-content h3 {
  color: var(--text-primary);
  margin-top: 40px;
}

.page-content h1 {
  font-size: 2.35rem;
  text-align: center;
  margin-bottom: 20px;
}

.page-content h2 {
  font-size: 1.6rem;
  border-bottom: 1px solid var(--surface-border);
  padding-bottom: 12px;
}

.page-content h3 {
  font-size: 1.25rem;
}

.page-content p,
.page-content li {
  color: var(--text-secondary);
}

.page-content ul,
.page-content ol {
  padding-left: 24px;
  margin-top: 16px;
}

.page-content li {
  margin-bottom: 10px;
}

a {
  color: var(--accent);
}

a:hover,
a:focus {
  color: #4f46e5;
}

.affiliate-disclosure {
  background-color: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  padding: 12px 16px;
  margin: 20px 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.affiliate-disclosure strong {
  color: var(--text-primary);
}

.site-footer .affiliate-disclosure {
  margin-top: 24px;
}

@media (max-width: 768px) {
  body {
    padding-top: 0;
  }

  .site-header {
    position: sticky;
    top: 0;
  }

  .header-inner {
    position: relative;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-wrapper {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #0f172a;
    border-bottom: 1px solid rgba(226, 232, 240, 0.2);
    box-shadow: 0 18px 32px -18px rgba(15, 23, 42, 0.7);
    padding: 16px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-12px);
    transition:
      transform 0.25s ease,
      opacity 0.2s ease,
      visibility 0.2s ease;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    z-index: 5;
  }

  body.nav-open {
    overflow: hidden;
  }

  body.nav-open .nav-wrapper {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .main-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .nav-dropdown {
    width: 100%;
  }

  .nav-dropdown summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .nav-dropdown-menu {
    position: static;
    display: block;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 8px 0 0;
    min-width: 0;
  }

  .nav-dropdown-menu a {
    padding: 8px 0;
  }
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  /*background: linear-gradient(145deg, var(--accent-soft), var(--page-bg));*/
  background-color: var(--surface-bg);
  border-radius: 18px;
  border: 1px solid var(--surface-border);
  /*border: 1px solid #cbd5f5;*/
  padding: 40px 20px 20px;
  /*border-radius: 24px;*/
  margin-bottom: 40px;
}

.hero-image,
.page-hero-image {
  max-width: 400px;
  width: 90%;
  height: auto;
  display: block;
  margin: 0 auto 20px;
  border-radius: 20px;
}

.hero-copy h1 {
  margin: 0;
  font-size: 2.5rem;
}

.hero-copy p {
  margin: 14px auto 0;
  max-width: 720px;
  line-height: 1.7;
}

.solver-options {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin: 24px 0 36px;
}

.solver-card {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.solver-card h3 {
  margin: 0;
}

.solver-card p {
  margin: 0;
  color: var(--text-secondary);
}

.solver-card .cta-button {
  margin-top: auto;
  align-self: flex-start;
}

.book-spotlight-card {
  display: grid;
  grid-template-columns: minmax(180px, 220px) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}

.book-spotlight-card img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid var(--surface-border);
  box-shadow: var(--surface-shadow);
}

.book-spotlight-label {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.book-spotlight-copy h2 {
  margin-top: 0;
}

.book-spotlight-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 12px;
}

.book-spotlight-more {
  font-weight: 600;
}

.book-spotlight-disclosure {
  margin: 16px 0 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

@media (max-width: 720px) {
  .book-spotlight-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .book-spotlight-actions {
    justify-content: center;
  }

  .cta-actions {
    justify-content: center;
  }
}

.section-card,
.highlight {
  background-color: var(--surface-bg);
  border-radius: 16px;
  border: 1px solid var(--surface-border);
  padding: 24px 28px;
  box-shadow: var(--surface-shadow);
  margin: 24px 0;
}

.media-placeholder {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 16px;
  align-items: center;
  padding: 16px;
  margin: 18px 0 8px;
  border-radius: 14px;
  border: 1px dashed var(--surface-border);
  background: linear-gradient(145deg, #f8fafc, #eef2ff);
  color: var(--text-secondary);
}

.media-placeholder .media-box {
  width: 160px;
  height: 110px;
  border-radius: 12px;
  border: 1px solid var(--surface-border);
  background: repeating-linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.08),
    rgba(99, 102, 241, 0.08) 10px,
    rgba(148, 163, 184, 0.18) 10px,
    rgba(148, 163, 184, 0.18) 20px
  );
  display: grid;
  place-items: center;
  font-weight: 700;
  color: var(--text-secondary);
}

.media-placeholder figcaption {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.lead {
  font-size: 1.05rem;
  color: var(--text-primary);
}

.callout {
  background-color: var(--accent-soft);
  border-left: 5px solid var(--accent);
  padding: 16px 20px;
  border-radius: 12px;
  margin: 18px 0;
  color: var(--text-secondary);
}

.callout strong {
  color: var(--text-primary);
}

.callout a {
  font-weight: 600;
}

.highlight {
  border-left: 6px solid var(--accent);
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #4338ca);
  color: #ffffff;
  font-weight: 600;
  text-decoration: none;
  margin-top: 12px;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
  box-shadow: 0 18px 36px -28px rgba(79, 70, 229, 0.9);
  min-height: 44px;
  min-width: 160px;
  padding-inline: 20px;
  text-align: center;
}

.cta-button:hover,
.cta-button:focus {
  transform: translateY(-1px);
  box-shadow: 0 22px 44px -26px rgba(79, 70, 229, 0.75);
  color: #ffffff;
}

.cta-button:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
  box-shadow:
    0 0 0 3px rgba(99, 102, 241, 0.35),
    0 22px 44px -26px rgba(79, 70, 229, 0.75);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 12px;
}

.section-card h2,
.highlight h2 {
  margin-top: 0;
}

.answer-card {
  text-align: center;
}

.answer-analysis {
  margin-top: 32px;
}

.analysis-grid {
  display: grid;
  gap: 18px;
  margin-top: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.analysis-block {
  border: 1px solid var(--surface-border);
  border-radius: 14px;
  padding: 16px 18px;
  background-color: var(--surface-bg);
  box-shadow: 0 18px 36px -34px rgba(15, 23, 42, 0.8);
}

.analysis-definition,
.analysis-pos,
.analysis-note,
.analysis-pattern,
.analysis-difficulty {
  margin: 0 0 10px;
}

.analysis-pos {
  font-weight: 600;
  color: var(--text-primary);
}

.analysis-details {
  list-style: none;
  margin: 0;
  padding: 0;
}

.analysis-details li {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
  padding: 6px 0;
  border-top: 1px solid var(--surface-border);
  font-size: 0.95rem;
}

.analysis-details li:first-child {
  border-top: none;
  padding-top: 0;
}

.analysis-label {
  font-weight: 600;
  color: var(--text-primary);
}

.practice-word-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.practice-word-list li {
  background-color: var(--accent-soft);
  color: var(--text-primary);
  border-radius: 999px;
  padding: 6px 12px;
  font-weight: 600;
}

.trend-recap {
  margin-top: 28px;
  font-weight: 600;
  color: var(--text-secondary);
}

.analysis-links {
  margin-top: 12px;
  color: var(--text-secondary);
}

.spoiler-warning {
  margin-top: 0;
  color: #b45309;
  font-size: 1.4rem;
}

.status-text {
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 16px;
}

.status-text.success {
  color: #047857;
}

.status-text.error {
  color: #b91c1c;
}

.reveal-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, var(--accent), #4338ca);
  color: #ffffff;
  font-weight: 600;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    opacity 0.2s ease;
  box-shadow: 0 18px 36px -28px rgba(79, 70, 229, 0.9);
  margin-bottom: 12px;
}

.reveal-button:hover,
.reveal-button:focus {
  transform: translateY(-1px);
  box-shadow: 0 22px 44px -26px rgba(79, 70, 229, 0.75);
  outline: none;
}

.reveal-button:disabled {
  cursor: default;
  opacity: 0.65;
  transform: none;
  box-shadow: none;
}

.hint-card {
  text-align: left;
}

.hint-meta {
  margin-bottom: 20px;
}

.hint-card .answer-meta {
  justify-items: center;
  text-align: center;
}

.hint-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.hint-item {
  border: 1px solid var(--surface-border);
  border-radius: 14px;
  padding: 20px 22px;
  background-color: var(--surface-bg);
  box-shadow: 0 18px 40px -36px rgba(15, 23, 42, 0.65);
}

.hint-header h3 {
  margin: 0;
}

.hint-summary {
  margin: 6px 0 16px;
  color: var(--text-secondary);
}

.reveal-hint {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, var(--accent), #4338ca);
  color: #ffffff;
  font-weight: 600;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    opacity 0.2s ease;
  box-shadow: 0 16px 32px -28px rgba(79, 70, 229, 0.9);
}

.reveal-hint:hover,
.reveal-hint:focus {
  transform: translateY(-1px);
  box-shadow: 0 20px 40px -30px rgba(79, 70, 229, 0.8);
  outline: none;
}

.reveal-hint:disabled {
  cursor: default;
  opacity: 0.6;
  transform: none;
  box-shadow: none;
}

.hint-text {
  margin: 16px 0 0;
  font-weight: 500;
}

.hint-text strong {
  color: var(--accent);
}

.hint-note {
  margin-top: 22px;
  color: var(--text-secondary);
  font-style: italic;
}

.wordle-answer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.wordle-answer[data-revealed="false"] .answer-meta {
  display: none;
}

.answer-word {
  position: relative;
  display: flex;
  justify-content: center;
  margin: 0;
}

.answer-tiles {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
}

.answer-letter {
  width: 54px;
  height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #ffffff;
  background-color: #6aaa64;
  border: 2px solid #6aaa64;
  border-radius: 6px;
  box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.12);
}

@media (max-width: 520px) {
  .answer-letter {
    width: 48px;
    height: 48px;
    font-size: 1.6rem;
  }
}

@media (max-width: 420px) {
  .answer-letter {
    width: 44px;
    height: 44px;
    font-size: 1.45rem;
  }
}

.answer-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px 24px;
  text-align: left;
  margin: 0;
}

.answer-meta dt {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 4px;
}

.answer-meta dd {
  margin: 0;
  font-weight: 600;
  color: var(--text-primary);
}

.history-controls {
  margin: 20px 0 16px;
  display: flex;
  justify-content: flex-end;
}

.history-controls input[type="search"] {
  width: min(280px, 100%);
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--surface-border);
  background-color: var(--surface-bg);
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.history-controls input[type="search"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.table-scroll {
  overflow-x: auto;
  background-color: var(--surface-bg);
  border-radius: 16px;
  border: 1px solid var(--surface-border);
  box-shadow: var(--surface-shadow);
  padding: 0 0 12px;
  margin-top: 12px;
}

.wordle-history-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 480px;
}

.wordle-history-table thead {
  background-color: var(--accent-soft);
}

.wordle-history-table th,
.wordle-history-table td {
  text-align: left;
  padding: 14px 18px;
  border-bottom: 1px solid var(--surface-border);
  color: var(--text-secondary);
}

.wordle-history-table .redacted-answer {
  letter-spacing: 0.25em;
  font-weight: 600;
  color: var(--text-primary);
}

.wordle-history-table th {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.wordle-history-table tbody tr:nth-child(even) {
  background-color: #f9fbff;
}

.wordle-history-table tbody tr.today-puzzle {
  background-color: #fef3c7;
}

.wordle-history-table tbody tr.today-puzzle:hover,
.wordle-history-table tbody tr.today-puzzle:focus-within {
  background-color: #fde68a;
}

.wordle-history-table tbody tr:not(.today-puzzle):hover,
.wordle-history-table tbody tr:not(.today-puzzle):focus-within {
  background-color: #eef2ff;
}

.table-count {
  margin: 12px 18px 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 640px) {
  .history-controls {
    justify-content: flex-start;
  }

  .history-controls input[type="search"] {
    width: 100%;
  }

  .table-scroll {
    padding: 0;
  }

  .wordle-history-table,
  .wordle-history-table thead,
  .wordle-history-table tbody,
  .wordle-history-table th,
  .wordle-history-table td,
  .wordle-history-table tr {
    display: block;
    width: 100%;
  }

  .wordle-history-table thead {
    display: none;
  }

  .wordle-history-table tr {
    border-bottom: 1px solid var(--surface-border);
    padding: 12px 16px;
  }

  .wordle-history-table td {
    border: none;
    padding: 4px 0;
    position: relative;
    font-size: 0.95rem;
  }

  .wordle-history-table td::before {
    content: attr(data-label);
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    margin-bottom: 2px;
  }

  .table-count {
    margin: 16px 0 0;
    text-align: center;
  }
}

.grid-help-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
  margin: 40px auto 30px;
}

.wordle-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 18px 22px;
  background-color: var(--surface-bg);
  border-radius: 18px;
  border: 1px solid var(--surface-border);
  box-shadow: var(--surface-shadow);
}

.wordle-row {
  display: flex;
  justify-content: center;
  gap: 6px;
}

.letter-box {
  width: 52px;
  height: 52px;
  font-size: 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  text-align: center;
  border: 2px solid #d3d6da;
  border-radius: 6px;
  transition: all 0.2s ease;
  background-color: #ffffff;
}

.letter-box.green {
  background-color: #6aaa64;
  border-color: #6aaa64;
  color: #ffffff;
}

.letter-box.yellow {
  background-color: #c9b458;
  border-color: #c9b458;
  color: #ffffff;
}

.letter-box.grey {
  background-color: #787c7e;
  border-color: #787c7e;
  color: #ffffff;
}

.letter-box:focus {
  outline: none;
  border-color: #878a8c;
}

.letter-box:disabled {
  background-color: #f3f4f6;
  color: #9ca3af;
}

.help-box {
  background-color: var(--surface-bg);
  border-radius: 16px;
  border: 1px solid var(--surface-border);
  padding: 22px 26px;
  box-shadow: var(--surface-shadow);
  min-width: 220px;
}

.help-box h3 {
  margin-top: 0;
  font-size: 1.3rem;
  text-align: center;
}

.help-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.help-box li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.legend {
  display: inline-block;
  width: 18px;
  height: 18px;
  border-radius: 4px;
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.15);
}

.legend.green {
  background-color: #6aaa64;
}

.legend.yellow {
  background-color: #c9b458;
}

.legend.grey {
  background-color: #787c7e;
}

.help-text {
  flex: 1;
  color: var(--text-secondary);
}

.row-status {
  margin: 20px auto 16px;
  font-weight: 600;
  color: var(--accent);
  text-align: center;
}

.clear-button {
  display: block;
  margin: 20px auto;
  padding: 12px 24px;
  font-size: 1rem;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: #ffffff;
  cursor: pointer;
  /*display: inline-flex;*/
  align-items: center;
  gap: 8px;
  font-weight: 600;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.clear-button:hover,
.clear-button:focus {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px -18px rgba(220, 38, 38, 0.55);
}

#results {
  max-width: 640px;
  margin: 0 auto 40px;
  background-color: var(--surface-bg);
  border-radius: 16px;
  border: 1px solid var(--surface-border);
  box-shadow: var(--surface-shadow);
  padding: 18px 20px;
}

#results ul {
  list-style: none;
  padding: 0;
  margin: 0;
  columns: 2;
  column-gap: 18px;
}

#results li {
  margin-bottom: 10px;
  font-weight: 600;
  color: var(--text-primary);
}

#results .wordlist-placeholder {
  font-weight: 500;
  color: var(--muted);
}

#results ul.has-results {
  columns: initial;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

#results ul.has-results li {
  margin: 0;
  padding: 10px 12px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(45, 212, 191, 0.12));
  border: 1px solid var(--surface-border);
  box-shadow: var(--surface-shadow);
  text-align: center;
}

#results ul.few-results li {
  font-size: 1.1rem;
  font-weight: 700;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.16), rgba(45, 212, 191, 0.22));
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 16px 30px -22px rgba(59, 130, 246, 0.7);
}

.store-selector {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  background-color: var(--surface-bg);
  border: 1px solid var(--surface-border);
  padding: 16px 20px;
  border-radius: 12px;
  box-shadow: var(--surface-shadow);
  margin-bottom: 30px;
}

.store-selector label {
  font-weight: 600;
  font-size: 1rem;
}

.store-selector select {
  font-size: 1rem;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid #cbd5f5;
  background-color: var(--accent-soft);
  min-width: 220px;
}

.top-picks {
  border: 1px solid var(--surface-border);
  background-color: var(--surface-bg);
  box-shadow: var(--surface-shadow);
  border-radius: 16px;
}

.top-picks-header h2 {
  margin: 0 0 12px;
}

.top-picks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 12px;
}

.top-pick-card {
  border: 1px solid var(--surface-border);
  border-radius: 14px;
  padding: 18px;
  background-color: #f8fafc;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.top-pick-copy h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.value-bullets {
  padding-left: 18px;
  margin: 0;
  color: var(--text-secondary);
  display: grid;
  gap: 6px;
}

.top-pick-link {
  align-self: flex-start;
  width: auto;
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.book-card {
  background-color: var(--surface-bg);
  border-radius: 18px;
  box-shadow: var(--surface-shadow);
  border: 1px solid var(--surface-border);
  padding: 22px 18px 26px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.book-card:hover,
.book-card:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 28px 60px -34px rgba(15, 23, 42, 0.55);
}

.book-card img {
  width: 160px;
  height: auto;
  border-radius: 14px;
  margin-bottom: 18px;
  box-shadow: 0 14px 32px -20px rgba(30, 41, 59, 0.6);
}

.book-title {
  font-size: 1.2rem;
  margin: 0 0 12px 0;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.book-card:hover .book-title,
.book-card:focus-within .book-title {
  color: var(--accent);
}

.book-description {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.book-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: inherit;
  width: 100%;
}

.book-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 6px;
  border-radius: 14px;
}

.book-link:focus-visible .cta-button {
  box-shadow:
    0 0 0 3px rgba(99, 102, 241, 0.35),
    0 22px 44px -26px rgba(79, 70, 229, 0.75);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #1f1b4d;
  background: linear-gradient(120deg, #e0e7ff, #c7d2fe);
  border: 1px solid #c7d2fe;
  padding: 6px 12px;
  border-radius: 999px;
  box-shadow: 0 8px 20px -14px rgba(67, 56, 202, 0.8);
}

.site-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 32px 18px 40px;
  background-color: var(--header-bg);
  margin-top: 80px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
}

.footer-links a {
  color: var(--header-text);
  text-decoration: none;
  font-size: 0.95rem;
}

.footer-links a:hover,
.footer-links a:focus {
  text-decoration: underline;
}

.footer-meta {
  color: #cbd5ff;
  font-size: 0.85rem;
  text-align: center;
}

.responsive-image {
  width: 100%;
  max-width: 520px;
  border-radius: 16px;
  box-shadow: var(--surface-shadow);
  margin: 24px auto;
  display: block;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.helper-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.starting-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin: 20px 0 8px;
}

.starting-controls fieldset {
  border: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.starting-controls label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 600;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.starting-controls input[type="checkbox"],
.starting-controls select {
  accent-color: var(--accent);
}

.starting-controls label:hover,
.starting-controls label:focus-within {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px -24px rgba(79, 70, 229, 0.75);
}

.starting-controls select {
  border-radius: 10px;
  border: 1px solid var(--surface-border);
  background-color: var(--surface-bg);
  padding: 9px 12px;
  font-weight: 600;
  color: var(--text-primary);
}

.word-finder-controls {
  display: grid;
  gap: 16px;
  margin: 20px 0 8px;
}

.word-finder-controls .control-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.word-finder-controls label {
  font-weight: 600;
  color: var(--text-primary);
}

.word-finder-controls input,
.word-finder-controls select {
  border-radius: 12px;
  border: 1px solid var(--surface-border);
  background-color: var(--surface-bg);
  padding: 10px 12px;
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.word-finder-controls input:focus,
.word-finder-controls select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.word-finder-controls .helper-text {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.word-finder-controls .inline-inputs {
  flex-direction: row;
  gap: 12px;
}

.word-finder-controls .inline-inputs > div {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.word-results-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.word-results-list {
  margin: 20px 0 0;
  display: grid;
  gap: 18px;
}

.word-length-group {
  display: grid;
  gap: 10px;
}

.word-length-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.word-length-header h3 {
  margin: 0;
  font-size: 1.1rem;
}

.word-length-header span {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.word-length-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.word-result {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-radius: 12px;
  border: 1px solid var(--surface-border);
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.08),
    rgba(45, 212, 191, 0.12)
  );
  box-shadow: var(--surface-shadow);
  text-align: center;
  justify-content: center;
}

.word-result strong {
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.word-result.empty {
  justify-content: center;
  color: var(--text-secondary);
  font-weight: 600;
}

.word-finder-controls + .status-text,
.word-results-header + .word-results-list,
.word-results-list + .helper-text {
  margin-top: 12px;
}

@media (min-width: 760px) {
  .word-finder-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.table-wrapper {
  overflow-x: auto;
  margin-top: 18px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

.data-table th,
.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--surface-border);
  text-align: left;
}

.data-table th {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  cursor: pointer;
  position: relative;
}

.data-table th[data-sort] {
  cursor: pointer;
}

.data-table th .header-content {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.data-table th .sort-indicator {
  font-size: 0.75rem;
  color: var(--muted);
}

.data-table tbody tr:hover {
  background-color: rgba(99, 102, 241, 0.06);
}

.data-table td strong {
  color: var(--text-primary);
}

.metric-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  background-color: var(--accent-soft);
  border-radius: 999px;
  padding: 4px 10px;
}

.quick-start-card {
  background: linear-gradient(135deg, #eef2ff, #f8fafc);
}

.quick-start-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.quick-start-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 16px;
  border-radius: 12px;
  background-color: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.18);
}

.quick-start-heading {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.quick-start-rank {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.quick-start-word {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  flex: 1;
}

.quick-start-detail {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.highlight-card {
  background-color: var(--surface-bg);
  border: 1px solid var(--surface-border);
  border-radius: 14px;
  padding: 18px 20px;
  box-shadow: 0 16px 30px -24px rgba(15, 23, 42, 0.4);
}

.highlight-card h3 {
  margin-top: 0;
  margin-bottom: 10px;
}

.empty-highlight,
.quick-start-list .empty-state {
  color: var(--muted);
}

.chart-area {
  margin-top: 16px;
  display: grid;
  gap: 12px;
}

.chart-row {
  display: grid;
  grid-template-columns: 120px 1fr 60px;
  gap: 12px;
  align-items: center;
}

.chart-label {
  font-weight: 600;
  color: var(--text-primary);
}

.chart-bar {
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.8),
    rgba(129, 140, 248, 0.95)
  );
  position: relative;
  overflow: hidden;
}

.chart-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

@media (max-width: 640px) {
  .chart-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .chart-value {
    justify-self: start;
  }
}

.status-text {
  margin-top: 12px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.error-text {
  color: #dc2626;
  font-weight: 600;
}

.noscript-fallback {
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  border: 1px solid #cbd5f5;
  border-radius: 0.75rem;
  background: #f8fbff;
  color: #1f2937;
}

.noscript-fallback a {
  color: #0f62fe;
  font-weight: 600;
}

@media (max-width: 900px) {
  .page-content h1 {
    font-size: 2rem;
  }

  .page-content h2 {
    font-size: 1.45rem;
  }

  #results ul {
    columns: 1;
  }
}

@media (max-width: 768px) {
  .grid-help-container {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 540px) {

  .page-content {
    padding: 32px 16px 60px;
  }

  .wordle-row {
    gap: 4px;
  }

  .letter-box {
    width: 46px;
    height: 46px;
    font-size: 1.3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* Wordle Replay */
.wordle-replay-controls {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.replay-form {
  margin-top: 12px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-weight: 600;
  color: var(--text-primary);
}

.form-input-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.replay-form input[type="number"] {
  flex: 1 1 160px;
  min-width: 120px;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--surface-border);
  font-size: 1rem;
}

.button {
  appearance: none;
  border: none;
  border-radius: 999px;
  background-color: var(--accent);
  color: #fff;
  font-weight: 600;
  padding: 12px 24px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.button:hover,
.button:focus {
  background-color: #4f46e5;
  transform: translateY(-1px);
  box-shadow: 0 10px 18px -14px rgba(79, 70, 229, 0.8);
}

.button.secondary {
  background-color: #0f172a;
}

.button.secondary:hover,
.button.secondary:focus {
  background-color: #1e293b;
}

.puzzle-meta {
  font-size: 0.95rem;
  color: var(--muted);
}

.wordle-replay-game {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.game-header {
  text-align: center;
}

.game-title {
  font-weight: 600;
  margin-bottom: 8px;
}

.game-message {
  margin: 0;
  font-size: 1rem;
}

.game-message.success {
  color: #15803d;
}

.game-message.error {
  color: #b91c1c;
}

.wordle-board {
  display: flex;
  flex-direction: column;
  gap: 10px;
  outline: none;
}

.board-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(44px, 64px));
  justify-content: center;
  gap: 10px;
}

.board-tile {
  height: 64px;
  border: 2px solid var(--surface-border);
  background-color: var(--surface-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-primary);
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.board-tile.filled {
  border-color: #cbd5f5;
}

.board-tile.correct {
  background-color: #6aaa64;
  border-color: #6aaa64;
  color: #fff;
}

.board-tile.present {
  background-color: #c9b458;
  border-color: #c9b458;
  color: #fff;
}

.board-tile.absent {
  background-color: #787c7e;
  border-color: #787c7e;
  color: #fff;
}

.wordle-keyboard {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  max-width: 520px;
}

.keyboard-row {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.keyboard-key {
  flex: 1 1 0;
  max-width: 48px;
  padding: 12px 0;
  border-radius: 8px;
  border: none;
  background-color: #dce1ed;
  color: #0f172a;
  font-weight: 600;
  cursor: pointer;
  text-transform: uppercase;
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.keyboard-key:hover,
.keyboard-key:focus {
  transform: translateY(-1px);
  background-color: #cbd5f5;
}

.keyboard-key.correct {
  background-color: #6aaa64;
  color: #fff;
}

.keyboard-key.present {
  background-color: #c9b458;
  color: #fff;
}

.keyboard-key.absent {
  background-color: #787c7e;
  color: #fff;
}

.key-enter,
.key-backspace {
  flex: 1.5 1 0;
  max-width: 72px;
}

@media (max-width: 600px) {
  .board-row {
    grid-template-columns: repeat(5, minmax(40px, 1fr));
    gap: 8px;
  }

  .board-tile {
    height: 56px;
    font-size: 1.6rem;
  }

  .keyboard-key {
    max-width: none;
    padding: 10px 0;
  }
}