/* ==========================================================================
   ConnectionsHintApp — broadsheet stylesheet
   Self-hosted clone. Design tokens, layout, and components.
   ========================================================================== */

/* ─── DESIGN TOKENS ────────────────────────── */
:root {
  /* Paper & ink */
  --bg:             #FAFAF8;
  --bg-warm:        #F5F4F0;
  --bg-card:        #FFFFFF;
  --ink:            #1A1A1A;
  --ink-secondary:  #4A4A4A;
  --ink-tertiary:   #666666;
  --rule:           #D6D4CE;

  /* Category palette */
  --color-yellow: #F9DF6D;
  --color-green:  #A0C35A;
  --color-blue:   #B0C4EF;
  --color-purple: #BA81C5;

  /* Text-safe tints */
  --text-yellow: #6B5A00;
  --text-green:  #2D5016;
  --text-blue:   #1E3A6E;
  --text-purple: #5C2368;

  /* Light backgrounds */
  --bg-yellow: #FDF8E1;
  --bg-green:  #EEF5E0;
  --bg-blue:   #E8EEF9;
  --bg-purple: #F3E8F6;

  /* Deep accents */
  --deep-yellow: #C8AA00;
  --deep-green:  #5B8A1E;
  --deep-blue:   #4A6FA5;
  --deep-purple: #8B4D9E;

  /* Trap amber */
  --trap: #C87A1E;

  /* Typography */
  --font-serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-sans:  'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* 8px grid spacing */
  --sp-1:  4px;
  --sp-2:  8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;
  --sp-12: 48px;

  /* Layout */
  --page-padding: 20px;
  --content-max: 680px;
  --sidebar-width: 300px;
  --sidebar-gap: 48px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* ─── RESET & BASE ─────────────────────────── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration-skip-ink: auto;
}

img, svg {
  display: block;
  max-width: 100%;
}

/* ─── LOGO GRID ────────────────────────────── */
.logo-grid {
  display: inline-grid;
  grid-template-rows: repeat(4, 1fr);
  gap: 2px;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.logo-grid--sm {
  width: 20px;
  height: 20px;
  gap: 1.5px;
}

.logo-grid__row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}

.logo-grid--sm .logo-grid__row {
  gap: 1.5px;
}

.logo-sq {
  border-radius: 1px;
}
.logo-sq--y { background: var(--color-yellow); }
.logo-sq--g { background: var(--color-green);  }
.logo-sq--b { background: var(--color-blue);   }
.logo-sq--p { background: var(--color-purple); }

/* ─── COLOR STRIPE ─────────────────────────── */
.color-stripe {
  display: flex;
  height: 3px;
}

.color-stripe--thick {
  height: 4px;
}

.color-stripe__band {
  flex: 1;
}
.color-stripe__band--y { background: var(--color-yellow); }
.color-stripe__band--g { background: var(--color-green);  }
.color-stripe__band--b { background: var(--color-blue);   }
.color-stripe__band--p { background: var(--color-purple); }

/* ─── SITE HEADER ──────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
}

.site-header__inner {
  max-width: calc(var(--content-max) + var(--sidebar-width) + var(--sidebar-gap));
  margin: 0 auto;
  padding: var(--sp-3) var(--page-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  text-decoration: none;
  color: var(--ink);
}

.site-header__logo-text {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

.site-header__nav {
  display: flex;
  gap: var(--sp-5);
}

.site-header__nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-secondary);
  text-decoration: none;
  transition: color 0.15s ease;
}
.site-header__nav a:hover {
  color: var(--ink);
}

/* ─── HAMBURGER BUTTON ─────────────────────── */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.hamburger__line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.hamburger[aria-expanded="true"] .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] .hamburger__line:nth-child(2) {
  opacity: 0;
}
.hamburger[aria-expanded="true"] .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 640px) {
  .hamburger {
    display: none;
  }
}

/* ─── MOBILE MENU ──────────────────────────── */
.mobile-menu {
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--rule);
  background: var(--bg);
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu:not([hidden]) {
  display: flex;
}

.mobile-menu a {
  display: block;
  padding: var(--sp-4) var(--page-padding);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink-secondary);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  transition: color 0.15s ease, background 0.15s ease;
}

.mobile-menu a:hover,
.mobile-menu a:active {
  color: var(--ink);
  background: var(--bg-warm);
}

@media (min-width: 640px) {
  .mobile-menu {
    display: none !important;
  }
}

/* ─── DESKTOP NAV VISIBILITY ───────────────── */
.site-header__nav--desktop {
  display: none;
}

@media (min-width: 640px) {
  .site-header__nav--desktop {
    display: flex;
  }
}

/* ─── BREADCRUMB ───────────────────────────── */
.breadcrumb {
  max-width: calc(var(--content-max) + var(--sidebar-width) + var(--sidebar-gap));
  margin: 0 auto;
  padding: var(--sp-3) var(--page-padding);
  font-size: 0.8125rem;
  color: var(--ink-tertiary);
}

.breadcrumb ol {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  list-style: none;
}

.breadcrumb li:not(:last-child)::after {
  content: '›';
  margin-left: var(--sp-2);
  color: var(--rule);
}

.breadcrumb a {
  color: var(--ink-secondary);
  text-decoration: none;
}
.breadcrumb a:hover {
  color: var(--ink);
}

/* ─── PAGE WRAPPER & COLUMNS ───────────────── */
.page-wrapper {
  max-width: calc(var(--content-max) + var(--sidebar-width) + var(--sidebar-gap));
  margin: 0 auto;
  padding: 0 var(--page-padding) var(--sp-8);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sidebar-gap);
}

@media (min-width: 1040px) {
  .page-wrapper {
    grid-template-columns: 1fr var(--sidebar-width);
  }
}

.content-column {
  min-width: 0;
}

/* ─── ARTICLE HEADER ───────────────────────── */
.article-header {
  padding: var(--sp-6) 0 var(--sp-4);
}

.article-header__meta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
  flex-wrap: wrap;
}

.article-header__badge {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
}

.article-header__badge--easy {
  color: var(--text-green);
  border: 1.5px solid var(--color-green);
  background: var(--bg-green);
}
.article-header__badge--medium {
  color: var(--text-yellow);
  border: 1.5px solid var(--color-yellow);
  background: var(--bg-yellow);
}
.article-header__badge--hard {
  color: var(--text-blue);
  border: 1.5px solid var(--color-blue);
  background: var(--bg-blue);
}
.article-header__badge--devious {
  color: var(--text-purple);
  border: 1.5px solid var(--color-purple);
  background: var(--bg-purple);
}

.article-header__date {
  font-size: 0.875rem;
  color: var(--ink-secondary);
}

.article-header__puzzle-id {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink-secondary);
}

.article-header__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw + 0.5rem, 2.625rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-bottom: var(--sp-4);
}

.article-header__tip {
  border-left: 3px solid var(--color-blue);
  background: var(--bg-warm);
  border-radius: var(--radius-md);
  padding: var(--sp-3) var(--sp-4);
  margin-bottom: var(--sp-4);
}

.article-header__verdict-kicker {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-tertiary);
  margin-bottom: var(--sp-2);
}

.article-header__verdict {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-style: italic;
  color: var(--ink-secondary);
  line-height: 1.5;
  margin-bottom: 0;
}

.article-header__intro-summary {
  font-size: 1rem;
  color: var(--ink-secondary);
  line-height: 1.6;
  margin-bottom: var(--sp-4);
}

.article-header__byline {
  font-size: 0.875rem;
  font-style: normal;
  color: var(--ink-tertiary);
}
.article-header__byline a {
  color: var(--ink-secondary);
  font-weight: 500;
}
.article-header__sep {
  margin: 0 0.35em;
  color: var(--ink-tertiary);
}
.article-header__publish-time {
  color: var(--ink-tertiary);
}

/* ─── HORIZONTAL RULE ──────────────────────── */
.rule {
  border: none;
  border-top: 1px solid var(--rule);
  margin: var(--sp-2) 0;
}

/* ─── SECTION HEADINGS ─────────────────────── */
.section {
  padding: var(--sp-8) 0 var(--sp-4);
}

.section__heading {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.375rem;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: var(--sp-2);
  line-height: 1.25;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.section__heading-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  color: var(--ink-tertiary);
  flex-shrink: 0;
}

.section__heading-date {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.75em;
  color: var(--ink-tertiary);
  letter-spacing: 0;
  margin-left: var(--sp-2);
}

.section__subtitle {
  font-size: 0.875rem;
  color: var(--ink-tertiary);
  margin-bottom: var(--sp-6);
}

.section__subtext {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--ink-tertiary);
  margin-top: calc(var(--sp-1) * -1);
  margin-bottom: var(--sp-5);
}
.section__intro {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--ink-secondary);
  margin-top: calc(var(--sp-1) * -1);
  margin-bottom: var(--sp-4);
  line-height: 1.6;
}

/* ─── PROSE (NARRATIVE) ────────────────────── */
.prose p {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--ink);
}

.prose p + p {
  margin-top: var(--sp-4);
}

.prose h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.3;
  color: var(--ink);
  margin-top: var(--sp-8);
  margin-bottom: var(--sp-2);
}

.prose p:first-child {
  margin-bottom: var(--sp-6);
}

.prose h3 + p {
  margin-top: 0;
}

.prose p strong:first-child {
  color: var(--ink);
  font-weight: 700;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  letter-spacing: 0.01em;
}

.prose a {
  color: var(--deep-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.prose a:hover {
  color: var(--ink);
}

/* ─── RESPONSIVE (640px) ───────────────────── */
@media (min-width: 640px) {
  :root {
    --page-padding: 32px;
  }

  .article-header__title {
    letter-spacing: -0.03em;
  }
}

@media (min-width: 1040px) {
  :root {
    --page-padding: 40px;
  }
}

/* ─── PUZZLE TOP NAV ───────────────────────── */
.puzzle-top-nav {
  padding: var(--sp-3) 0;
}

.puzzle-top-nav--left {
  text-align: left;
}

.puzzle-top-nav__link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  text-decoration: none;
  color: var(--ink-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.15s ease;
}
.puzzle-top-nav__link:hover {
  color: var(--ink);
}
.puzzle-top-nav__arrow {
  font-size: 1.125rem;
  line-height: 1;
}

/* ─── PWA BOTTOM SHEET ─────────────────────── */
@keyframes pwaSlideUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

#pwa-card,
.pwa-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 9999;
  background: var(--bg-card);
  border-radius: 20px 20px 0 0;
  box-shadow: 0 -4px 32px rgba(0,0,0,.12);
  font-family: var(--font-sans);
  animation: pwaSlideUp .3s cubic-bezier(.32,.72,0,1);
}

#pwa-card[hidden]  { display: none !important; }
.pwa-banner[hidden] { display: none !important; }

.pwa-card__step {
  padding: 24px 20px 20px;
  padding-bottom: calc(20px + env(safe-area-inset-bottom));
}
.pwa-card__step[hidden] { display: none !important; }

.pwa-card__dots {
  display: flex;
  justify-content: center;
  gap: 5px;
  margin-bottom: 16px;
}
.pwa-card__dots[hidden] { display: none !important; }

.pwa-card__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--rule);
}
.pwa-card__dot.active { background: var(--ink); }

.pwa-card__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.pwa-card__icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.pwa-card__title {
  flex: 1;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.25;
}

.pwa-card__close {
  flex-shrink: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ink-tertiary);
  padding: 4px;
  line-height: 1;
  font-size: 1.125rem;
}
.pwa-card__close:hover { color: var(--ink); }

.pwa-card__desc {
  font-size: .875rem;
  color: var(--ink-secondary);
  line-height: 1.5;
  margin-bottom: 20px;
}

.pwa-card__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pwa-btn-primary {
  font-family: var(--font-sans);
  font-size: .9375rem;
  font-weight: 600;
  padding: 14px;
  border-radius: var(--radius-md);
  border: none;
  background: var(--ink);
  color: var(--bg);
  cursor: pointer;
  width: 100%;
  transition: opacity .15s;
}
.pwa-btn-primary:hover { opacity: .85; }

.pwa-btn-ghost {
  font-family: var(--font-sans);
  font-size: .9375rem;
  font-weight: 500;
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink-secondary);
  cursor: pointer;
  width: 100%;
}
.pwa-btn-ghost:hover { background: var(--bg-warm); }

/* ── iOS & denied banners ── */
.pwa-banner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 20px;
  padding-bottom: calc(20px + env(safe-area-inset-bottom));
}

.pwa-banner__icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  object-fit: cover;
}
.pwa-banner__body { flex: 1; min-width: 0; }

.pwa-banner__title {
  font-size: .9375rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
  line-height: 1.3;
}
.pwa-banner__desc {
  font-size: .8125rem;
  color: var(--ink-secondary);
  line-height: 1.5;
}
.pwa-banner__desc strong { color: var(--ink); font-weight: 600; }

.pwa-banner__close {
  flex-shrink: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ink-tertiary);
  padding: 2px;
  font-size: 1.125rem;
  line-height: 1;
}
.pwa-banner__close:hover { color: var(--ink); }

.ios-share-icon {
  display: inline-block;
  width: 16px; height: 16px;
  vertical-align: -3px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#pwa-notif-denied-banner .pwa-banner__title { color: var(--trap); }

/* ─── PUZZLE JUMP NAV ──────────────────────── */
.puzzle-jump-nav {
  display: flex;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: var(--bg-card);
  padding-bottom: env(safe-area-inset-bottom);
  box-shadow: 0 -4px 16px rgba(0,0,0,0.12);
}

.puzzle-jump-nav::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(
    to right,
    var(--color-yellow) 25%,
    var(--color-green) 25% 50%,
    var(--color-blue) 50% 75%,
    var(--color-purple) 75%
  );
}

.puzzle-jump-nav__item {
  --jump-accent: var(--ink-tertiary);
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 11px 6px 9px;
  border: none;
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 0.625rem;
  line-height: 1;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--ink-tertiary);
  background: transparent;
  border-top: 2px solid transparent;
  -webkit-tap-highlight-color: transparent;
  transition: color 0.15s, background-color 0.15s, border-color 0.15s;
}

.puzzle-jump-nav__item--yellow { --jump-accent: var(--deep-yellow); }
.puzzle-jump-nav__item--green { --jump-accent: var(--deep-green); }
.puzzle-jump-nav__item--blue { --jump-accent: var(--deep-blue); }
.puzzle-jump-nav__item--purple { --jump-accent: var(--deep-purple); }

.puzzle-jump-nav__icon {
  flex-shrink: 0;
  opacity: 0.55;
  transition: opacity 0.15s;
}

.puzzle-jump-nav__item:hover,
.puzzle-jump-nav__item:focus-visible {
  color: var(--ink);
  background-color: var(--bg-warm);
  border-top-color: var(--jump-accent);
  outline: none;
}

.puzzle-jump-nav__item:hover .puzzle-jump-nav__icon,
.puzzle-jump-nav__item:focus-visible .puzzle-jump-nav__icon,
.puzzle-jump-nav__item.is-active .puzzle-jump-nav__icon {
  opacity: 1;
}

.puzzle-jump-nav__item.is-active {
  color: var(--ink);
  background-color: var(--bg-warm);
  border-top-color: var(--jump-accent);
}

#words,
#traps,
#hints,
#answers,
#how-to-use {
  scroll-margin-top: 88px;
}

@media (max-width: 1039px) {
  .content-column {
    padding-bottom: calc(70px + env(safe-area-inset-bottom));
  }
}

@media (min-width: 1040px) {
  .puzzle-jump-nav {
    display: none;
  }

  #words,
  #traps,
  #hints,
  #answers,
  #how-to-use {
    scroll-margin-top: 60px;
  }
}

/* ══════════════════════════════════════════════════════════════════════
   WORD GRID (wg2)
   ══════════════════════════════════════════════════════════════════════ */
@keyframes breathe-dark {
  0%   { transform: scale(1);     box-shadow: 0 2px 6px rgba(0,0,0,0.13), 0 0 0 0px rgba(30,30,30,0.45); }
  50%  { transform: scale(1.045); box-shadow: 0 4px 10px rgba(0,0,0,0.18), 0 0 0 8px rgba(30,30,30,0.06); }
  100% { transform: scale(1);     box-shadow: 0 2px 6px rgba(0,0,0,0.13), 0 0 0 0px rgba(30,30,30,0); }
}

.wg2-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 11px;
  margin-top: var(--sp-4);
}

@media (max-width: 640px) {
  .wg2-grid { gap: 9px; }
}

.wg2-tile {
  position: relative;
}

.wg2-tile > summary::-webkit-details-marker { display: none; }
.wg2-tile > summary::marker { content: ""; }

.wg2-tile__word {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(0.6rem, 1.6vw, 0.8125rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-align: center;
  line-height: 1.2;
  padding: var(--sp-3) 6px;
  background: rgb(239, 239, 230);
  color: var(--ink);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 4px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  transition: background 0.15s ease, color 0.15s ease;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  white-space: normal;
  overflow-wrap: normal;
  word-break: keep-all;
  hyphens: none;
}

.wg2-tile__word dfn {
  display: block;
  width: 100%;
  font-style: inherit;
  font-weight: inherit;
}

@media (max-width: 640px) {
  .wg2-tile__word {
    font-size: clamp(0.55rem, 2.6vw, 0.75rem);
    letter-spacing: 0;
    padding: var(--sp-2) 4px;
    min-height: 56px;
  }
}

.wg2-tile__word:hover {
  background: rgb(232, 232, 222);
  box-shadow: 0 4px 10px rgba(0,0,0,0.12), 0 2px 4px rgba(0,0,0,0.08);
  transform: translateY(-1px);
}

.wg2-tile__word:active { transform: scale(0.94); }

.wg2-tile > summary:focus-visible .wg2-tile__word {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.wg2-tile--open .wg2-tile__word {
  background: var(--ink);
  color: var(--bg);
  box-shadow: 0 4px 14px rgba(0,0,0,.3);
}

.wg2-tile--open .wg2-tile__word:hover {
  background: var(--ink);
  box-shadow: 0 6px 18px rgba(0,0,0,.35);
}

.tile-pulse {
  animation: breathe-dark 1.4s ease-in-out infinite;
}

.wg2-tile__seo {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.wg2-tile__seo h3 {
  color: rgba(255,255,255,0.55);
}

.wg2-hint-row {
  grid-column: 1 / -1;
  background: var(--ink);
  border-radius: var(--radius-md);
  padding: var(--sp-3) var(--sp-4);
  min-height: 76px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.wg2-hint-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #ffffff;
  margin-bottom: var(--sp-1);
  transition: opacity 0.12s ease;
}

.wg2-hint-body {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--bg);
  transition: opacity 0.12s ease;
}

.wg2-hint-row.swapping .wg2-hint-label,
.wg2-hint-row.swapping .wg2-hint-body { opacity: 0; }

.wg2-progress {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto 5px;
  align-items: center;
  gap: 5px 0;
  margin-top: 14px;
}

.wg2-progress__label {
  grid-column: 1; grid-row: 1;
  font-family: var(--font-sans, sans-serif);
  font-size: 12px; color: #888;
}

.wg2-progress__count {
  grid-column: 2; grid-row: 1;
  font-family: var(--font-sans, sans-serif);
  font-size: 12px; font-weight: 700; color: #7c7cff;
}

.wg2-progress__track {
  grid-column: 1 / -1; grid-row: 2;
  height: 5px; background: #e4e4e4;
  border-radius: 99px; overflow: hidden;
}

.wg2-progress__fill {
  height: 100%;
  background: linear-gradient(90deg, #7c7cff, #a78bfa);
  border-radius: 99px;
  transition: width .35s ease;
}

/* ══════════════════════════════════════════════════════════════════════
   HINT BLOCKS (hb2)
   ══════════════════════════════════════════════════════════════════════ */
.hb2 {
  margin-bottom: var(--sp-5);
}

.hb2__btn {
  display: block;
  width: 100%;
  border: none;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: background-color .15s ease;
}

.hb2__btn--full {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  margin-bottom: var(--sp-2);
}

.hb2__btn--word {
  padding: var(--sp-2) var(--sp-3);
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.hb2__idle {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}

.hb2__icon {
  flex-shrink: 0;
}

.hb2__btn--full .hb2__revealed {
  flex: 1;
  text-align: right;
}

.hb2__revealed {
  display: none;
}

.hb2__btn.is-revealed .hb2__idle {
  display: none;
}

.hb2__btn.is-revealed .hb2__revealed {
  display: block;
}

.hb2__think {
  display: block;
  margin-top: var(--sp-1);
  font-weight: 400;
  font-style: italic;
  font-size: 0.75rem;
  opacity: 0.8;
}

.hb2__words {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-2);
  margin-top: var(--sp-2);
}

/* Color treatments */
.hb2--yellow .hb2__btn--full {
  background: var(--bg-yellow);
  color: var(--text-yellow);
  border: 1.5px solid var(--color-yellow);
}
.hb2--yellow .hb2__btn--full.is-revealed {
  background: var(--color-yellow);
  color: var(--ink);
}
.hb2--yellow .hb2__btn--word {
  background: var(--bg-yellow);
  border: 1px solid var(--color-yellow);
  color: var(--text-yellow);
}
.hb2--yellow .hb2__btn--word.is-revealed {
  background: var(--color-yellow);
  color: var(--ink);
}

.hb2--green .hb2__btn--full {
  background: var(--bg-green);
  color: var(--text-green);
  border: 1.5px solid var(--color-green);
}
.hb2--green .hb2__btn--full.is-revealed {
  background: var(--color-green);
  color: var(--ink);
}
.hb2--green .hb2__btn--word {
  background: var(--bg-green);
  border: 1px solid var(--color-green);
  color: var(--text-green);
}
.hb2--green .hb2__btn--word.is-revealed {
  background: var(--color-green);
  color: var(--ink);
}

.hb2--blue .hb2__btn--full {
  background: var(--bg-blue);
  color: var(--text-blue);
  border: 1.5px solid var(--color-blue);
}
.hb2--blue .hb2__btn--full.is-revealed {
  background: var(--color-blue);
  color: var(--ink);
}
.hb2--blue .hb2__btn--word {
  background: var(--bg-blue);
  border: 1px solid var(--color-blue);
  color: var(--text-blue);
}
.hb2--blue .hb2__btn--word.is-revealed {
  background: var(--color-blue);
  color: var(--ink);
}

.hb2--purple .hb2__btn--full {
  background: var(--bg-purple);
  color: var(--text-purple);
  border: 1.5px solid var(--color-purple);
}
.hb2--purple .hb2__btn--full.is-revealed {
  background: var(--color-purple);
  color: var(--ink);
}
.hb2--purple .hb2__btn--word {
  background: var(--bg-purple);
  border: 1px solid var(--color-purple);
  color: var(--text-purple);
}
.hb2--purple .hb2__btn--word.is-revealed {
  background: var(--color-purple);
  color: var(--ink);
}

.hb2__seo-list {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ══════════════════════════════════════════════════════════════════════
   TRAPS
   ══════════════════════════════════════════════════════════════════════ */
.trap-card {
  background: var(--bg-warm);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--trap);
  border-radius: var(--radius-md);
  padding: var(--sp-4);
  margin-bottom: var(--sp-4);
}

.trap-card__header {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--trap);
  margin-bottom: var(--sp-2);
}

.trap-card__words {
  line-height: 1.5;
}

.trap-card__body {
  font-size: 0.9rem;
  color: var(--ink-secondary);
  line-height: 1.6;
}

/* ══════════════════════════════════════════════════════════════════════
   SOLVED GRID
   ══════════════════════════════════════════════════════════════════════ */
.solved-grid {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.solved-grid__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  border-radius: var(--radius-md);
  padding: var(--sp-3) var(--sp-4);
  flex-wrap: wrap;
}

.solved-grid__row--yellow { background: var(--color-yellow); color: var(--ink); }
.solved-grid__row--green { background: var(--color-green); color: var(--ink); }
.solved-grid__row--blue { background: var(--color-blue); color: var(--ink); }
.solved-grid__row--purple { background: var(--color-purple); color: var(--ink); }

.solved-grid__group {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.solved-grid__words {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 500;
}

/* ══════════════════════════════════════════════════════════════════════
   ANSWER EXPLANATIONS
   ══════════════════════════════════════════════════════════════════════ */
.explained-group {
  margin-bottom: var(--sp-8);
}

.explained-group__header {
  border-radius: var(--radius-md);
  padding: var(--sp-3) var(--sp-4);
  margin-bottom: var(--sp-3);
}

.explained-group__header--yellow { background: var(--color-yellow); }
.explained-group__header--green { background: var(--color-green); }
.explained-group__header--blue { background: var(--color-blue); }
.explained-group__header--purple { background: var(--color-purple); }

.explained-group__title {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.explained-group__summary {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--ink-secondary);
  margin-bottom: var(--sp-4);
}

.explained-group__words {
  margin: 0;
}

.explained-entry {
  display: grid;
  grid-template-columns: minmax(90px, 140px) 1fr;
  gap: var(--sp-3);
  padding: var(--sp-3) 0;
  border-top: 1px solid var(--rule);
}

.explained-entry__word {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  align-self: start;
  text-align: center;
}

.explained-entry__word--yellow { background: var(--bg-yellow); color: var(--text-yellow); border: 1px solid var(--color-yellow); }
.explained-entry__word--green { background: var(--bg-green); color: var(--text-green); border: 1px solid var(--color-green); }
.explained-entry__word--blue { background: var(--bg-blue); color: var(--text-blue); border: 1px solid var(--color-blue); }
.explained-entry__word--purple { background: var(--bg-purple); color: var(--text-purple); border: 1px solid var(--color-purple); }

.explained-entry__text {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--ink-secondary);
}

@media (max-width: 640px) {
  .explained-entry {
    grid-template-columns: 1fr;
    gap: var(--sp-2);
  }
}

/* ══════════════════════════════════════════════════════════════════════
   ARTICLE AUTHOR BIO
   ══════════════════════════════════════════════════════════════════════ */
.article-author-bio {
  padding: var(--sp-8) 0;
}

.article-author-bio__inner {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  background: var(--bg-warm);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
}

.article-author-bio__photo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.article-author-bio__label {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-tertiary);
  margin-bottom: var(--sp-1);
}

.article-author-bio__name {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: var(--sp-1);
}

.article-author-bio__text {
  font-size: 0.875rem;
  color: var(--ink-secondary);
  line-height: 1.6;
}

.article-author-bio__links {
  margin-top: var(--sp-2);
}

.sidebar-link {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--deep-blue);
  text-decoration: none;
}
.sidebar-link:hover {
  color: var(--ink);
}

/* ══════════════════════════════════════════════════════════════════════
   RECENT HINTS (mobile list)
   ══════════════════════════════════════════════════════════════════════ */
.recent-hints-mobile {
  padding-top: var(--sp-6);
}

.recent-hints-mobile__heading {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--sp-3);
}

.recent-hints-mobile__list {
  list-style: none;
}

.recent-hints-mobile__item + .recent-hints-mobile__item {
  border-top: 1px solid var(--rule);
}

.recent-hints-mobile__link {
  display: block;
  padding: var(--sp-3) 0;
  text-decoration: none;
}

.recent-hints-mobile__date {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-tertiary);
  margin-bottom: 2px;
}

.recent-hints-mobile__title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
}

.recent-hints-mobile__link:hover .recent-hints-mobile__title {
  color: var(--deep-blue);
}

.recent-hints-mobile__more {
  display: inline-block;
  margin-top: var(--sp-3);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--deep-blue);
  text-decoration: none;
}

/* ══════════════════════════════════════════════════════════════════════
   SIDEBAR
   ══════════════════════════════════════════════════════════════════════ */
.sidebar-inner {
  position: sticky;
  top: 76px;
}

.sidebar-widget {
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--rule);
}

.sidebar-widget:first-child {
  padding-top: 0;
}

.sidebar-widget__heading {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin-bottom: var(--sp-4);
}

.sidebar-widget__heading-icon {
  display: inline-flex;
  color: var(--ink-tertiary);
}

.sidebar-social {
  display: flex;
  gap: var(--sp-2);
}

.sidebar-social__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  border: 1px solid var(--rule);
  color: var(--ink-secondary);
  transition: background-color .15s, color .15s;
}
.sidebar-social__link:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

.sidebar-recent-list {
  list-style: none;
  margin: 0;
}

.sidebar-recent-item + .sidebar-recent-item {
  border-top: 1px solid var(--rule);
}

.sidebar-recent-item__link {
  display: block;
  padding: var(--sp-3) 0;
  text-decoration: none;
}

.sidebar-recent-item__date {
  display: block;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-tertiary);
  margin-bottom: 2px;
}

.sidebar-recent-item__title {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--ink);
}

.sidebar-recent-item__link:hover .sidebar-recent-item__title {
  color: var(--deep-blue);
}

.sidebar-recent-item__badge {
  font-family: var(--font-sans);
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.sidebar-recent-item__badge--easy { background: var(--bg-green); color: var(--text-green); border: 1px solid var(--color-green); }
.sidebar-recent-item__badge--medium { background: var(--bg-yellow); color: var(--text-yellow); border: 1px solid var(--color-yellow); }
.sidebar-recent-item__badge--hard { background: var(--bg-blue); color: var(--text-blue); border: 1px solid var(--color-blue); }
.sidebar-recent-item__badge--devious { background: var(--bg-purple); color: var(--text-purple); border: 1px solid var(--color-purple); }

.sidebar-archive-link {
  display: inline-block;
  margin-top: var(--sp-3);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--deep-blue);
  text-decoration: none;
}
.sidebar-archive-link:hover {
  color: var(--ink);
}

@media (max-width: 1039px) {
  .sidebar {
    display: none;
  }
}

/* ══════════════════════════════════════════════════════════════════════
   SITE FOOTER
   ══════════════════════════════════════════════════════════════════════ */
.site-footer {
  background: var(--bg-warm);
  border-top: 1px solid var(--rule);
}

.site-footer__inner {
  max-width: calc(var(--content-max) + var(--sidebar-width) + var(--sidebar-gap));
  margin: 0 auto;
  padding: var(--sp-10) var(--page-padding) var(--sp-12);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
}

@media (min-width: 760px) {
  .site-footer__inner {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.site-footer__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  text-decoration: none;
  color: var(--ink);
  margin-bottom: var(--sp-3);
}

.site-footer__logo-text {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.site-footer__tagline {
  font-size: 0.875rem;
  color: var(--ink-secondary);
  line-height: 1.6;
}

.site-footer__nav-heading {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-tertiary);
  margin-bottom: var(--sp-3);
}

.site-footer__nav ul {
  list-style: none;
}

.site-footer__nav li + li {
  margin-top: var(--sp-2);
}

.site-footer__nav a {
  font-size: 0.875rem;
  color: var(--ink-secondary);
  text-decoration: none;
}
.site-footer__nav a:hover {
  color: var(--ink);
}

.site-footer__author p {
  font-size: 0.875rem;
  color: var(--ink-secondary);
  line-height: 1.6;
}

.site-footer__author a {
  color: var(--ink-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.site-footer__author a:hover {
  color: var(--ink);
}

.site-footer__copy {
  margin-top: var(--sp-2);
  font-size: 0.8125rem;
  color: var(--ink-tertiary);
}

/* ══════════════════════════════════════════════════════════════════════
   STATIC PAGES (how-to-play, about, archive, 404)
   ══════════════════════════════════════════════════════════════════════ */
.static-page {
  padding: var(--sp-8) 0;
}

.static-page h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw + 0.5rem, 2.375rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-bottom: var(--sp-5);
}

.static-page h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--ink);
  margin-top: var(--sp-8);
  margin-bottom: var(--sp-3);
}

.static-page h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--ink);
  margin-top: var(--sp-6);
  margin-bottom: var(--sp-2);
}

.static-page p {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--ink-secondary);
  margin-bottom: var(--sp-4);
}

.static-page ul,
.static-page ol {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--ink-secondary);
  margin-bottom: var(--sp-4);
  padding-left: var(--sp-5);
}

.static-page li + li {
  margin-top: var(--sp-2);
}

.static-page a {
  color: var(--deep-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.static-page strong {
  color: var(--ink);
}

/* ─── ARCHIVE LIST ─────────────────────────── */
.archive-list {
  list-style: none;
  margin-top: var(--sp-4);
}

.archive-list__item + .archive-list__item {
  border-top: 1px solid var(--rule);
}

.archive-list__link {
  display: block;
  padding: var(--sp-4) 0;
  text-decoration: none;
}

.archive-list__date {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-tertiary);
  margin-bottom: 4px;
}

.archive-list__title {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink);
}

.archive-list__link:hover .archive-list__title {
  color: var(--deep-blue);
}

/* ─── 404 ──────────────────────────────────── */
.error-page {
  text-align: center;
  padding: var(--sp-12) var(--page-padding) var(--sp-10);
}

.error-page__code {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(3.5rem, 10vw, 6rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.error-page__title {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--ink);
  margin-top: var(--sp-3);
  margin-bottom: var(--sp-3);
}

.error-page__text {
  font-size: 0.9375rem;
  color: var(--ink-secondary);
  max-width: 420px;
  margin: 0 auto var(--sp-6);
}

.error-page__link {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--bg);
  background: var(--ink);
  padding: var(--sp-3) var(--sp-6);
  border-radius: var(--radius-md);
  text-decoration: none;
}
.error-page__link:hover {
  opacity: 0.85;
}

/* ─── PRINT ────────────────────────────────── */
@media print {
  .site-header, .site-footer, .puzzle-jump-nav, .sidebar,
  .recent-hints-mobile, .hb2__btn, .wg2-hint-row, .wg2-progress,
  #pwa-card, .pwa-banner {
    display: none !important;
  }

  .page-wrapper {
    max-width: 100%;
    padding: 0;
  }
}