:root {
  --cda-ink: #0a3541;
  --cda-teal: #0b7771;
  --cda-teal-dark: #075b58;
  --cda-coral: #ef6756;
  --cda-gold: #f2b323;
  --cda-blue: #506eb1;
  --cda-cream: #fbf7ef;
  --cda-line: #ddd4c7;
  --cda-white: #fffdf9;
}

.cda-eyebrow {
  color: var(--cda-teal);
  display: block;
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .12em;
  margin-bottom: .5rem;
  text-transform: uppercase;
}

.cda-button {
  align-items: center;
  background: var(--cda-teal);
  border: 1px solid var(--cda-teal);
  border-radius: 14px;
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-weight: 800;
  justify-content: center;
  min-height: 48px;
  padding: .8rem 1.25rem;
  text-decoration: none;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}

.cda-button:hover { background: var(--cda-teal-dark); box-shadow: 0 8px 22px rgba(7, 91, 88, .2); transform: translateY(-1px); }
.cda-button:focus-visible, .cda-answer:focus-visible { outline: 3px solid rgba(11, 119, 113, .28); outline-offset: 3px; }
.cda-button:disabled, .cda-answer:disabled { cursor: wait; opacity: .68; }
.cda-button--ghost { background: transparent; color: var(--cda-teal); }
.cda-button--ghost:hover { color: #fff; }
[hidden] { display: none !important; }

.cda-challenge {
  background: var(--cda-white);
  border: 1px solid var(--cda-line);
  border-radius: 24px;
  box-shadow: 0 18px 46px rgba(36, 49, 43, .08);
  display: grid;
  grid-template-columns: minmax(240px, .9fr) minmax(300px, 1.1fr);
  min-height: 360px;
  overflow: hidden;
}

.cda-challenge__visual {
  align-items: center;
  background: linear-gradient(145deg, #e4f2ee 0%, #fff5df 100%);
  display: flex;
  justify-content: center;
  min-height: 330px;
  overflow: hidden;
  padding: 2rem;
  position: relative;
}

.cda-challenge__visual img { filter: drop-shadow(0 18px 16px rgba(17, 57, 49, .13)); height: 100%; max-height: 320px; object-fit: contain; width: 100%; }
.cda-challenge__visual .cda-eyebrow { left: 1.25rem; position: absolute; top: 1.25rem; }
.cda-daily-badge { background: #fff; border: 1px solid var(--cda-line); border-radius: 99px; color: var(--cda-teal); font-size: .75rem; font-weight: 800; padding: .38rem .7rem; position: absolute; right: 1.25rem; top: 1.25rem; }
.cda-challenge__play { align-content: center; display: grid; padding: clamp(1.5rem, 4vw, 3rem); }
.cda-challenge__play h2 { color: var(--cda-ink); font-family: Georgia, 'Times New Roman', serif; font-size: clamp(1.75rem, 3.2vw, 2.6rem); line-height: 1.04; margin: 0 0 1.25rem; }
.cda-answers { display: grid; gap: .75rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cda-answer { background: #fff; border: 1px solid var(--cda-line); border-radius: 14px; color: var(--cda-ink); cursor: pointer; font: inherit; font-size: 1.08rem; font-weight: 800; min-height: 58px; padding: .75rem; position: relative; transition: border .18s ease, transform .18s ease, box-shadow .18s ease; }
.cda-answer:hover { border-color: var(--cda-teal); box-shadow: 0 8px 18px rgba(24, 73, 66, .1); transform: translateY(-2px); }
.cda-answer.is-selected { box-shadow: inset 0 0 0 3px rgba(255,255,255,.65), 0 8px 18px rgba(24, 73, 66, .16); }
.cda-answer--teal { background: var(--cda-teal); border-color: var(--cda-teal); color: #fff; }
.cda-answer--coral { background: var(--cda-coral); border-color: var(--cda-coral); color: #172f35; }
.cda-answer--gold { background: var(--cda-gold); border-color: var(--cda-gold); color: #2f301d; }
.cda-answer--blue { background: var(--cda-blue); border-color: var(--cda-blue); color: #fff; }
.cda-answer--other { background: rgba(255,255,255,.62); border-color: var(--cda-teal); border-style: dashed; color: var(--cda-teal-dark); grid-column: 1 / -1; min-height: 48px; }
.cda-answer__count { display: block; font-size: .68rem; font-weight: 600; margin-top: .15rem; min-height: 1em; opacity: .85; }
.cda-challenge__feedback { color: var(--cda-ink); font-weight: 700; min-height: 1.5em; padding-top: .8rem; }
.cda-text-link { color: var(--cda-teal); font-weight: 800; margin-top: .35rem; text-decoration: none; width: max-content; }

.cda-page-shell { margin: 0 auto; max-width: 1180px; padding: 3rem 1.25rem 5rem; }
.cda-page-heading { margin: 0 auto 2.5rem; max-width: 760px; text-align: center; }
.cda-page-heading h1 { color: var(--cda-ink); font-family: Georgia, 'Times New Roman', serif; font-size: clamp(2.4rem, 6vw, 4.6rem); line-height: 1; margin: 0 0 1rem; }
.cda-page-heading p { color: #52666b; font-size: 1.08rem; line-height: 1.65; }
.cda-game-panel { background: var(--cda-white); border: 1px solid var(--cda-line); border-radius: 24px; box-shadow: 0 18px 42px rgba(36,49,43,.07); margin: 1.5rem 0; overflow: hidden; padding: clamp(1.5rem, 5vw, 3rem); }
.cda-game-panel__intro { max-width: 690px; }
.cda-game-panel h2 { color: var(--cda-ink); font-family: Georgia, 'Times New Roman', serif; font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.05; margin: 0 0 .75rem; }
.cda-game-panel p { color: #52666b; line-height: 1.65; }
.cda-quiz-progress { background: #e6e0d7; border-radius: 999px; height: 8px; margin-bottom: 2rem; overflow: hidden; }
.cda-quiz-progress span { background: var(--cda-teal); display: block; height: 100%; transition: width .25s ease; }
.cda-quiz-question { align-items: center; display: grid; gap: clamp(1.5rem, 5vw, 4rem); grid-template-columns: minmax(220px, .8fr) minmax(300px, 1.2fr); }
.cda-quiz-question__image { background: linear-gradient(145deg,#e4f2ee,#fff5df); border-radius: 22px; height: 330px; padding: 1rem; }
.cda-quiz-question__image img { height: 100%; object-fit: contain; width: 100%; }
.cda-quiz-question h2, .cda-quiz-result h2, .cda-quiz-question h3, .cda-quiz-result h3 { color: var(--cda-ink); font-family: Georgia, 'Times New Roman', serif; font-size: clamp(2rem,4vw,3rem); margin: 0 0 1rem; }
.cda-quiz-options { display: grid; gap: .7rem; grid-template-columns: repeat(2,minmax(0,1fr)); }
.cda-inline-contribution, .cda-quiz-other { background: rgba(255,255,255,.78); border: 1px solid var(--cda-line); border-radius: 14px; display: grid; gap: .7rem; grid-column: 1 / -1; padding: .85rem; }
.cda-inline-contribution label, .cda-quiz-other label { display: grid; gap: .35rem; }
.cda-inline-contribution label span, .cda-quiz-other label span { color: var(--cda-ink-soft); font-size: .75rem; font-weight: 800; }
.cda-inline-contribution input, .cda-quiz-other input { background: #fff; border: 1px solid var(--cda-line); border-radius: 10px; min-height: 46px; padding: .65rem .75rem; width: 100%; }
.cda-inline-contribution > div, .cda-quiz-other > div { display: flex; flex-wrap: wrap; gap: .5rem; }
.cda-inline-contribution .cda-button, .cda-quiz-other .cda-button { min-height: 42px; padding: .55rem .9rem; }
.cda-inline-contribution p, .cda-quiz-other p { color: var(--cda-ink-soft); font-size: .76rem; margin: 0; min-height: 1em; }
.cda-quiz-result { margin: 0 auto; max-width: 640px; padding: 2rem 0; text-align: center; }
.cda-quiz-result__flag { display: block; font-size: 5rem; line-height: 1; margin-bottom: 1rem; }
.cda-result-actions { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; margin-top: 1.5rem; }

.cda-compare__form { align-items: end; display: grid; gap: 1rem; grid-template-columns: minmax(180px,1fr) auto minmax(180px,1fr) auto; margin-top: 2rem; }
.cda-compare__form label, .cda-contribute-form label { display: grid; gap: .45rem; }
.cda-compare__form label > span, .cda-contribute-form label > span { color: var(--cda-ink); font-size: .83rem; font-weight: 800; }
.cda-compare select, .cda-contribute-form select, .cda-contribute-form input, .cda-contribute-form textarea { background: #fff; border: 1px solid var(--cda-line); border-radius: 12px; color: var(--cda-ink); font: inherit; min-height: 48px; padding: .7rem .85rem; width: 100%; }
.cda-versus { align-items: center; background: #edf5f2; border-radius: 50%; color: var(--cda-teal); display: flex; font-size: .76rem; font-weight: 900; height: 42px; justify-content: center; margin-bottom: 3px; width: 42px; }
.cda-compare__results { margin-top: 2rem; }
.cda-compare__summary { align-items: center; display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; margin-bottom: 1rem; }
.cda-table-scroll { overflow-x: auto; }
.cda-table-scroll table { border-collapse: collapse; min-width: 680px; width: 100%; }
.cda-table-scroll th, .cda-table-scroll td { border-bottom: 1px solid var(--cda-line); padding: .85rem; text-align: left; }
.cda-table-scroll a { color: var(--cda-ink); }
.cda-difference { background: #fff0dc; border-radius: 999px; color: #8b5517; display: inline-block; font-size: .73rem; font-weight: 800; padding: .3rem .6rem; }
.cda-difference.is-same { background: #e4f2ee; color: var(--cda-teal-dark); }

.cda-country-grid { display: grid; gap: 1rem; grid-template-columns: repeat(3,minmax(0,1fr)); }
.cda-country-card { align-items: center; background: var(--cda-white); border: 1px solid var(--cda-line); border-left: 5px solid var(--country-color); border-radius: 18px; display: grid; gap: 1rem; grid-template-columns: auto 1fr auto; padding: 1.15rem; }
.cda-country-card__flag { font-size: 2.4rem; }
.cda-country-card h2 { color: var(--cda-ink); font-size: 1.05rem; margin: 0; }
.cda-country-card p { color: #68777b; font-size: .82rem; margin: .25rem 0 0; }
.cda-country-card__action { background: transparent; border: 0; color: var(--cda-teal); cursor: pointer; font-size: 1.5rem; }
.cda-contribute-form { background: var(--cda-white); border: 1px solid var(--cda-line); border-radius: 24px; display: grid; gap: 1rem; grid-template-columns: repeat(2,minmax(0,1fr)); margin: 0 auto; max-width: 860px; padding: clamp(1.25rem,4vw,2.5rem); }
.cda-field-wide, .cda-contribute-form .cda-button, .cda-contribute-form .cda-form-status { grid-column: 1 / -1; }
.cda-contribute-form .cda-button { justify-self: start; }
.cda-honeypot { left: -9999px; position: absolute; }
.cda-form-status { font-weight: 700; min-height: 1.4em; }
.cda-form-status.is-error { color: #a8322b; }
.cda-form-status.is-success { color: var(--cda-teal-dark); }
.cda-empty { background: #fff; border: 1px solid var(--cda-line); border-radius: 20px; padding: 2rem; text-align: center; }
.cda-editorial-note { color: #52666b; font-size: .88rem; line-height: 1.6; }
.cda-answer.is-correct { background: #e4f2ee; border: 2px solid #075b58; }
.cda-answer.is-incorrect { background: #fff0ed; border: 2px solid #a8322b; }
.cda-catalog-filters { display: grid; grid-template-columns: 2fr 1fr 1fr auto; gap: 1rem; align-items: end; background: #fffdf9; padding: 1.3rem; border: 1px solid var(--cda-line); border-radius: 18px; }
.cda-catalog-filters label { display: grid; gap: .5rem; min-width: 0; }
.cda-catalog-filters label span { font-size: .85rem; font-weight: 700; }
.cda-catalog-filters input, .cda-catalog-filters select, .cda-share-fallback { width: 100%; min-width: 0; min-height: 48px; font: inherit; padding: .7rem; border: 1px solid var(--cda-line); border-radius: 12px; background: white; color: var(--cda-ink); }
.cda-catalog-count { margin: 1.5rem 0; }
.cda-pagination { display: flex; gap: .5rem; flex-wrap: wrap; justify-content: center; margin: 2rem 0; }
.cda-pagination a { display: grid; place-items: center; min-width: 44px; height: 44px; padding: .5rem; border: 1px solid var(--cda-line); border-radius: 12px; text-decoration: none; }
.cda-pagination [aria-current] { background: var(--cda-teal); color: #fff; }
.cda-country-card .cda-text-link { background: none; padding: 0; border: 0; font: inherit; cursor: pointer; text-decoration: underline; }
.cda-country-words .cda-source-note { display: block; line-height: 1.5; margin-top: .3rem; overflow-wrap: anywhere; }
button, input, select, textarea, a { -webkit-tap-highlight-color: rgba(11,119,113,.15); }
:focus-visible { outline: 3px solid #075b58; outline-offset: 3px; }

@media (max-width: 820px) {
  .cda-catalog-filters { grid-template-columns: 1fr 1fr; }
  .cda-challenge, .cda-quiz-question { grid-template-columns: 1fr; }
  .cda-challenge__visual { min-height: 270px; }
  .cda-challenge__visual img { max-height: 245px; }
  .cda-compare__form { grid-template-columns: 1fr; }
  .cda-versus { justify-self: center; margin: -.25rem 0; }
  .cda-country-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 560px) {
  .cda-catalog-filters { grid-template-columns: 1fr; }
  .cda-answers, .cda-quiz-options, .cda-country-grid, .cda-contribute-form { grid-template-columns: 1fr; }
  .cda-field-wide, .cda-contribute-form .cda-button, .cda-contribute-form .cda-form-status { grid-column: auto; }
  .cda-challenge__play { padding: 1.25rem; }
  .cda-game-panel { border-radius: 18px; padding: 1.25rem; }
  .cda-page-shell { padding-inline: .9rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}

/* 1.1: one activity at a time, readable feedback and compact comparisons. */
.cda-game-picker { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:1rem; }
.cda-game-choice { background:var(--cda-white); border:1px solid var(--cda-line); border-radius:22px; display:flex; flex-direction:column; padding:1.5rem; text-decoration:none; transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease; }
.cda-game-choice:hover { transform:translateY(-4px); border-color:var(--cda-teal); box-shadow:0 16px 28px #0a354112; }
.cda-game-choice[aria-current] { background:#e4f2ee; border:2px solid var(--cda-teal); padding:calc(1.5rem - 1px); }
.cda-game-choice__icon { align-items:center; background:#f2eadf; border-radius:14px; display:flex; font-size:1.7rem; height:52px; justify-content:center; margin-bottom:1rem; width:52px; }
.cda-game-choice:nth-child(2n) .cda-game-choice__icon { background:#e1ecfa; }
.cda-game-choice:nth-child(3n) .cda-game-choice__icon { background:#ffe0d8; }
.cda-game-choice strong { color:var(--cda-ink); font-size:1.2rem; }
.cda-game-choice small { color:#42646a; font-size:.82rem; line-height:1.5; margin-top:.3rem; }
.cda-game-choice p { color:#38575f; font-size:.95rem; margin:.65rem 0 1rem; }
.cda-game-choice .cda-card-link { color:var(--cda-teal-dark); font-weight:800; margin-top:auto; }
.cda-game-toolbar { align-items:center; display:flex; flex-wrap:wrap; gap:1rem; justify-content:space-between; margin:1.5rem 0 0; }
.cda-game-toolbar button { background:none; border:0; cursor:pointer; min-height:44px; padding:.5rem 0; }
.cda-game-toolbar > span { color:#38575f; font-size:.84rem; }
.cda-game-panel { scroll-margin-top:110px; }
.cda-quiz-topline { align-items:center; color:#38575f; display:flex; font-weight:700; gap:1rem; justify-content:space-between; margin-bottom:.9rem; }
.cda-quiz-timer { background:#e4f2ee; border:1px solid #aacfc6; border-radius:99px; color:#075b58; display:inline-block; font-variant-numeric:tabular-nums; min-width:76px; padding:.45rem .8rem; text-align:center; }
.cda-quiz-timer.is-urgent { background:#fff0ed; border-color:#a8322b; color:#a8322b; }
.cda-result-medal { align-items:center; background:#fff0cb; border-radius:50%; color:#846111; display:flex; font-size:3rem; height:88px; justify-content:center; margin:0 auto 1rem; width:88px; }
.cda-answer.is-correct:disabled,.cda-answer.is-incorrect:disabled { cursor:default; opacity:1; }
[data-guess-feedback] p { margin:.9rem 0 .6rem; }
.cda-compare-stats { display:grid; gap:1rem; grid-template-columns:repeat(3,minmax(0,1fr)); margin:1.5rem 0; }
.cda-compare-stats > div { background:#e4f2ee; border-radius:16px; padding:1rem; text-align:center; }
.cda-compare-stats strong { color:var(--cda-teal-dark); display:block; font-size:2rem; }
.cda-compare-stats span { color:#38575f; display:block; font-size:.88rem; line-height:1.4; }
.cda-compare-filter { border:0; display:flex; flex-wrap:wrap; gap:.5rem; margin:0; padding:0; }
.cda-compare-filter legend { color:#38575f; font-size:.88rem; font-weight:700; margin-bottom:.6rem; }
.cda-compare-filter button { background:#fff; border:1px solid var(--cda-line); border-radius:99px; color:var(--cda-ink); cursor:pointer; font:inherit; font-weight:700; min-height:44px; padding:.5rem 1rem; }
.cda-compare-filter [aria-pressed="true"] { background:var(--cda-teal-dark); border-color:var(--cda-teal-dark); color:#fff; }
.cda-compare-grid { display:grid; gap:1rem; grid-template-columns:repeat(2,minmax(0,1fr)); margin-bottom:1rem; }
.cda-compare-card { align-items:center; border:1px solid var(--cda-line); border-radius:18px; display:grid; gap:1rem; grid-template-columns:100px minmax(0,1fr); padding:1rem; }
.cda-compare-card__image { background:#f4f3ea; border-radius:14px; display:block; }
.cda-compare-card__image img { height:100px; object-fit:contain; width:100px; }
.cda-compare-card h3 { font-size:1.1rem; margin:0 0 .75rem; }
.cda-compare-card h3 a { text-decoration:none; }
.cda-compare-card dl,.cda-compare-card dd { margin:0; }
.cda-compare-card dl { display:grid; gap:.5rem; }
.cda-compare-card dt { color:#38575f; font-size:.8rem; }
.cda-compare-card dd { color:var(--cda-ink); font-weight:750; overflow-wrap:anywhere; }
.cda-compare-table { border-top:1px solid var(--cda-line); margin-top:1.5rem; padding-top:1rem; }
.cda-compare-table summary { color:var(--cda-teal-dark); cursor:pointer; font-weight:800; padding:.75rem 0; }
.cda-compare-table caption { color:#38575f; padding:1rem; text-align:left; }
.cda-country-card { align-items:start; grid-template-columns:auto minmax(0,1fr); }
.cda-country-card__sample { min-height:2.8em; overflow-wrap:anywhere; }
.cda-country-card__count { color:#38575f; }
.cda-country-card a,.cda-country-card .cda-text-link { display:inline-flex; min-height:44px; align-items:center; font-weight:700; margin-right:.65rem; }
.cda-eyebrow { font-size:.8rem; letter-spacing:.09em; }
.cda-answer__count { font-size:.8rem; }
.cda-daily-badge { font-size:.82rem; }
.cda-text-link { max-width:100%; }
.cda-game-choice,.cda-quiz-question > *, .cda-compare-card > *, .cda-game-panel { min-width:0; }
.cda-game-panel h2,.cda-game-panel h3 { overflow-wrap:anywhere; }

@media (max-width:900px) {
  .cda-game-picker { grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (max-width:620px) {
  .cda-page-shell { padding:2rem 1rem 3rem; }
  .cda-page-heading { margin-bottom:1.5rem; }
  .cda-page-heading h1 { font-size:clamp(2.2rem,9vw,3rem); }
  .cda-game-picker { gap:.75rem; }
  .cda-game-choice { border-radius:16px; padding:1rem; }
  .cda-game-choice[aria-current] { padding:calc(1rem - 1px); }
  .cda-game-choice__icon { height:44px; width:44px; margin-bottom:.7rem; }
  .cda-game-choice strong { font-size:1.05rem; }
  .cda-game-choice p { font-size:.88rem; }
  .cda-game-choice .cda-card-link { font-size:.85rem; }
  .cda-game-panel { padding:1.15rem; border-radius:18px; scroll-margin-top:85px; }
  .cda-quiz-question { gap:1rem; }
  .cda-quiz-question__image { height:185px; }
  .cda-quiz-question h2,.cda-quiz-question h3 { font-size:1.7rem; line-height:1.15; }
  .cda-quiz-progress { margin-bottom:1rem; }
  .cda-quiz-options { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .cda-answer { font-size:1rem; min-height:52px; overflow-wrap:anywhere; }
  .cda-compare-stats { gap:.5rem; }
  .cda-compare-stats > div { padding:.85rem .5rem; }
  .cda-compare-stats span { font-size:.8rem; }
  .cda-compare-grid { grid-template-columns:1fr; }
  .cda-game-toolbar > span { display:none; }
  .cda-challenge__visual { min-height:185px; padding:1rem; }
  .cda-challenge__visual img { max-height:180px; }
  .cda-challenge__play { padding:1.2rem; }
}
@media (max-width:360px) {
  .cda-game-picker { grid-template-columns:1fr; }
  .cda-compare-card { grid-template-columns:72px minmax(0,1fr); gap:.75rem; }
  .cda-compare-card__image img { height:72px; width:72px; }
}
@media (prefers-reduced-motion:reduce) {
  *,*::before,*::after { scroll-behavior:auto !important; transition:none !important; animation:none !important; }
}
@media (max-width:620px) {
  .cda-answers { grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (max-width:360px) {
  .cda-answers,.cda-quiz-options { grid-template-columns:1fr; }
}