/* QuizDrop — bright, playful, card-driven. Deliberately unlike the blog and the
   dark toolbox: warm gradient, rounded chunky UI, big tap targets. */

:root {
  --bg:        #fdf9f3;
  --surface:   #ffffff;
  --ink:       #241c33;
  --muted:     #6b6280;
  --faint:     #9b93ac;
  --border:    #eae2f0;
  --brand:     #7c3aed;
  --brand-dk:  #6d28d9;
  --brand-sf:  #f3ecff;
  --ok:        #16a34a;
  --ok-sf:     #dcfce7;
  --no:        #e11d48;
  --no-sf:     #ffe4e9;
  --amber:     #f59e0b;
  --sans:      "Trebuchet MS", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --r:         14px;
  --shadow:    0 2px 4px rgba(60,30,110,.05), 0 10px 26px rgba(60,30,110,.09);
}

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

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  background-image: radial-gradient(ellipse 80% 50% at 50% -10%, #ede4ff 0%, transparent 60%);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; font-weight: 800; letter-spacing: -.02em; }
h1 { font-size: 2.3rem; }
h2 { font-size: 1.35rem; }

.wrap { max-width: 900px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 700px; }

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 12px; top: 12px; background: var(--brand); color: #fff; padding: 10px 16px; border-radius: var(--r); z-index: 99; }

/* Header ---------------------------------------------------------------- */
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 40; }
.header-inner { display: flex; align-items: center; gap: 18px; height: 62px; max-width: 900px; margin: 0 auto; padding: 0 20px; }
.logo { font-size: 1.25rem; font-weight: 800; color: var(--ink); letter-spacing: -.03em; }
.logo b { color: var(--brand); }
.nav { margin-left: auto; display: flex; gap: 4px; }
.nav a { font-size: .9rem; font-weight: 700; color: var(--muted); padding: 8px 12px; border-radius: 9px; }
.nav a:hover, .nav a.is-active { color: var(--brand); background: var(--brand-sf); text-decoration: none; }

/* Hero ------------------------------------------------------------------ */
.hero { text-align: center; padding: 52px 0 30px; }
.hero h1 { font-size: 2.6rem; }
.hero h1 b { color: var(--brand); }
.hero p { color: var(--muted); max-width: 52ch; margin: 0 auto; font-size: 1.08rem; }
.pill { display: inline-block; background: var(--brand-sf); color: var(--brand-dk); font-size: .74rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; padding: 6px 13px; border-radius: 999px; margin-bottom: 14px; }

/* Quiz cards ------------------------------------------------------------ */
.section-title { font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; color: var(--faint); font-weight: 800; margin: 34px 0 14px; }

.quiz-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 18px; }

.quiz-card {
  display: flex; flex-direction: column; gap: 8px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 22px; color: var(--ink);
  box-shadow: var(--shadow); transition: transform .16s, box-shadow .16s;
}
.quiz-card:hover { transform: translateY(-3px); box-shadow: 0 6px 12px rgba(60,30,110,.08), 0 18px 40px rgba(60,30,110,.13); text-decoration: none; }
.quiz-card .emoji { font-size: 2rem; }
.quiz-card h3 { margin: 0; font-size: 1.1rem; }
.quiz-card p { margin: 0; font-size: .9rem; color: var(--muted); }
.quiz-card .tagrow { display: flex; gap: 8px; margin-top: 6px; font-size: .74rem; font-weight: 700; color: var(--faint); text-transform: uppercase; letter-spacing: .05em; }

/* Quiz engine ----------------------------------------------------------- */
.stage { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); box-shadow: var(--shadow); padding: 28px; margin: 26px 0; }

.progress-head { display: flex; justify-content: space-between; align-items: baseline; font-size: .82rem; font-weight: 800; color: var(--faint); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 10px; }
.progress { height: 8px; border-radius: 999px; background: var(--border); overflow: hidden; margin-bottom: 24px; }
.progress i { display: block; height: 100%; background: var(--brand); border-radius: 999px; transition: width .3s ease; }

.question { font-size: 1.4rem; font-weight: 800; line-height: 1.35; margin: 0 0 20px; }

.answers { display: grid; gap: 10px; }
.answer {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  padding: 15px 17px; font: inherit; font-weight: 600; color: var(--ink);
  background: var(--surface); border: 2px solid var(--border);
  border-radius: 11px; cursor: pointer; transition: border-color .12s, background .12s;
}
.answer:hover:not(:disabled) { border-color: var(--brand); background: var(--brand-sf); }
.answer:disabled { cursor: default; }
.answer .key {
  flex: 0 0 28px; height: 28px; border-radius: 7px; background: var(--border);
  display: grid; place-items: center; font-size: .82rem; font-weight: 800; color: var(--muted);
}
.answer.correct { border-color: var(--ok); background: var(--ok-sf); }
.answer.correct .key { background: var(--ok); color: #fff; }
.answer.wrong   { border-color: var(--no); background: var(--no-sf); }
.answer.wrong .key { background: var(--no); color: #fff; }

.explain {
  margin-top: 16px; padding: 14px 16px; border-radius: 11px;
  background: var(--brand-sf); font-size: .93rem; color: var(--ink);
}
.explain b { color: var(--brand-dk); }

.btn {
  display: inline-block; padding: 13px 26px; border: 0; border-radius: 11px;
  background: var(--brand); color: #fff; font-family: inherit; font-weight: 800;
  font-size: 1rem; cursor: pointer;
}
.btn:hover { background: var(--brand-dk); text-decoration: none; }
.btn:disabled { opacity: .45; cursor: default; }
.btn-ghost { background: transparent; color: var(--muted); border: 2px solid var(--border); }
.btn-ghost:hover { background: var(--bg); color: var(--ink); }

.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }

/* Results --------------------------------------------------------------- */
.score-ring { text-align: center; padding: 8px 0 4px; }
.score-num { font-size: 3.6rem; font-weight: 800; color: var(--brand); line-height: 1; }
.score-num small { display: block; font-size: .95rem; font-weight: 700; color: var(--faint); margin-top: 8px; text-transform: uppercase; letter-spacing: .1em; }
.verdict { text-align: center; font-size: 1.15rem; font-weight: 800; margin: 14px 0 0; }

.review { margin-top: 22px; border-top: 1px solid var(--border); padding-top: 18px; }
.review-item { display: flex; gap: 11px; padding: 11px 0; border-bottom: 1px solid var(--border); font-size: .93rem; }
.review-item:last-child { border-bottom: 0; }
.mark { flex: 0 0 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: .72rem; color: #fff; font-weight: 800; }
.mark.y { background: var(--ok); }
.mark.n { background: var(--no); }
.review-item p { margin: 0; }
.review-item .ans { color: var(--muted); font-size: .87rem; }

.hidden { display: none !important; }

/* Prose ----------------------------------------------------------------- */
.prose { max-width: 68ch; padding: 30px 0 50px; }
.prose h2 { margin-top: 1.7em; }
.prose p, .prose li { color: var(--muted); }
.prose strong { color: var(--ink); }
.prose ul { padding-left: 1.3em; }
.prose li { margin-bottom: .45em; }
.prose code { background: var(--brand-sf); color: var(--brand-dk); padding: 2px 6px; border-radius: 5px; font-size: .88em; }
.callout { background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--amber); border-radius: var(--r); padding: 16px 18px; margin: 1.5em 0; }
.callout strong { display: block; margin-bottom: 4px; color: var(--ink); }
.callout p { margin: 0; font-size: .92rem; }

/* Ad slots -------------------------------------------------------------- */
.ad-slot { display: flex; flex-direction: column; align-items: center; margin: 0 auto; overflow: hidden; }
.ad-slot iframe { border: 0; display: block; }
.ad-slot::before {
  content: attr(data-ad-label); display: block; margin-bottom: 6px;
  font-size: .63rem; font-weight: 800; letter-spacing: .13em;
  text-transform: uppercase; color: var(--faint);
}
.ad-leaderboard { min-height: 106px; padding: 16px 0; }
.ad-rectangle   { min-height: 266px; }
.ad-native      { min-height: 200px; margin: 26px 0; }
/* Results-screen unit — the highest-value placement in a quiz, shown at the
   natural pause when the reader is deciding whether to play again. */
.ad-result      { min-height: 266px; margin: 24px 0 4px; }

.ad-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 100%; gap: 3px; padding: 12px; text-align: center;
  border: 2px dashed var(--border); border-radius: var(--r);
  background: repeating-linear-gradient(45deg, #faf7ff, #faf7ff 10px, #f3eeff 10px, #f3eeff 20px);
  color: var(--faint); font-family: ui-monospace, Menlo, monospace; font-size: .7rem;
}
.ad-placeholder b { color: var(--muted); font-size: .78rem; }

/* Footer ---------------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--border); background: var(--surface); padding: 28px 0; margin-top: 44px; }
.footer-inner { max-width: 900px; margin: 0 auto; padding: 0 20px; display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; font-size: .87rem; color: var(--faint); }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.ad-disclosure { text-align: center; font-size: .82rem; color: var(--faint); padding: 0 20px 14px; }

/* Responsive ------------------------------------------------------------ */
@media (max-width: 620px) {
  body { font-size: 16px; }
  .hero h1 { font-size: 2rem; }
  .question { font-size: 1.18rem; }
  .stage { padding: 20px; }
  .nav a { padding: 8px 9px; font-size: .84rem; }
  .ad-leaderboard { min-height: 76px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* Icons ------------------------------------------------------------------
   The quiz `emoji` field now carries inline SVG, so it needs explicit
   dimensions rather than the font-size it used to inherit. */
.icon { display: block; width: 100%; height: 100%; }
.quiz-card .emoji { display: block; width: 30px; height: 30px; color: var(--brand); }
.quiz-card .emoji .icon { width: 30px; height: 30px; }
/* Quiz page title renders the icon inline beside the words */
#quiz-title .icon {
  display: inline-block; width: .82em; height: .82em;
  color: var(--brand); vertical-align: -.06em; margin-right: .28em;
}
.mark .icon-mark { width: 12px; height: 12px; display: block; }

/* Sister-site strip ------------------------------------------------------- */
.network { max-width: 900px; margin: 0 auto; padding: 20px 20px 6px; }
.network-label {
  display: block; margin-bottom: 12px;
  font-size: .7rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: .12em; color: var(--faint);
}
.network-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.network-links a {
  background: var(--bg); border: 1px solid var(--border); border-radius: 11px;
  padding: 12px 14px; font-size: .85rem; font-weight: 800; color: var(--ink);
}
.network-links a span { display: block; font-weight: 600; font-size: .74rem; color: var(--muted); margin-top: 2px; }
.network-links a:hover { text-decoration: none; border-color: var(--brand); color: var(--brand); }
@media (max-width: 700px) { .network-links { grid-template-columns: 1fr 1fr; } }