/* =========================================================
   English Nest — Grammar Challenge
   Scoped to #grammar-challenge-page only
   ========================================================= */

#grammar-challenge-page{
  --gc-navy:#0d315f;
  --gc-navy-deep:#08264c;
  --gc-navy-soft:#173f70;
  --gc-gold:#d6b574;
  --gc-gold-soft:#ead5a7;
  --gc-cream:#f7f3ea;
  --gc-paper:#fffdfa;
  --gc-line:#e7dfd2;
  --gc-muted:#8996a7;
  --gc-green:#2f8a67;
  --gc-green-soft:#edf8f3;
  --gc-red:#c55d63;
  --gc-red-soft:#fff1f1;
  background:#f8f4ec;
}

#grammar-challenge-page *{box-sizing:border-box}

#grammar-challenge-page .gc-page{
  max-width:1120px;
  margin:0 auto;
  padding:34px 24px 90px;
}

/* ===== HERO ===== */
#grammar-challenge-page .gc-hero{
  min-height:410px;
  padding:52px 56px;
  border-radius:30px;
  background:
    radial-gradient(circle at 88% -5%,rgba(214,181,116,.11),transparent 28%),
    radial-gradient(circle at 4% 110%,rgba(255,255,255,.07),transparent 31%),
    linear-gradient(135deg,#0a2a53,#123f74);
  display:grid;
  grid-template-columns:minmax(0,1.12fr) minmax(330px,.88fr);
  align-items:center;
  gap:48px;
  color:#fff;
  position:relative;
  overflow:hidden;
  box-shadow:0 28px 64px rgba(13,49,95,.14);
}

#grammar-challenge-page .gc-hero::before{
  content:"";
  position:absolute;
  width:360px;
  height:360px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.055);
  left:-155px;
  bottom:-190px;
  box-shadow:
    0 0 0 50px rgba(255,255,255,.025),
    0 0 0 100px rgba(255,255,255,.015);
}

#grammar-challenge-page .gc-hero-copy{
  position:relative;
  z-index:2;
}

#grammar-challenge-page .gc-kicker{
  display:block;
  margin-bottom:12px;
  color:var(--gc-gold);
  font-size:12px;
  font-weight:900;
}

#grammar-challenge-page .gc-hero h1{
  margin:0;
  color:#fff;
  font-size:48px;
  line-height:1.2;
  font-weight:900;
  letter-spacing:-.8px;
}

#grammar-challenge-page .gc-hero h1 span{color:#f1cf89}

#grammar-challenge-page .gc-hero p{
  max-width:620px;
  margin:18px 0 0;
  color:#b4c2d4;
  font-size:16px;
  line-height:2;
}

#grammar-challenge-page .gc-hero-pills{
  display:flex;
  flex-wrap:wrap;
  gap:9px;
  margin-top:26px;
}

#grammar-challenge-page .gc-hero-pills span{
  min-height:39px;
  padding:8px 13px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:999px;
  background:rgba(255,255,255,.045);
  color:#afbed0;
  font-size:12px;
  display:inline-flex;
  align-items:center;
  gap:6px;
}

#grammar-challenge-page .gc-hero-pills b{
  color:#fff;
  font-size:13px;
  direction:ltr;
}

/* ===== HERO ART ===== */
#grammar-challenge-page .gc-hero-art{
  height:280px;
  position:relative;
  z-index:2;
}

#grammar-challenge-page .gc-formula-card{
  position:absolute;
  border-radius:22px;
  border:1px solid rgba(255,255,255,.12);
}

#grammar-challenge-page .gc-card-back{
  width:255px;
  height:174px;
  left:42px;
  top:62px;
  background:rgba(255,255,255,.025);
  transform:rotate(-5deg);
}

#grammar-challenge-page .gc-card-main{
  width:270px;
  height:185px;
  left:69px;
  top:45px;
  padding:28px 24px;
  background:rgba(255,255,255,.055);
  backdrop-filter:blur(7px);
  display:grid;
  grid-template-columns:1fr auto 1fr auto 1fr;
  align-items:center;
  gap:8px;
  text-align:center;
}

#grammar-challenge-page .gc-card-main > span{
  grid-column:1/-1;
  color:#d8ba7b;
  font:900 9px/1 Arial,sans-serif;
  letter-spacing:2.4px;
  text-align:left;
}

#grammar-challenge-page .gc-card-main strong{
  color:#fff;
  font:800 13px/1.2 Arial,sans-serif;
  direction:ltr;
}

#grammar-challenge-page .gc-card-main i{
  color:#d8ba7b;
  font-style:normal;
  font-size:16px;
}

#grammar-challenge-page .gc-rule-chip{
  position:absolute;
  min-height:31px;
  padding:7px 11px;
  border:1px solid rgba(255,255,255,.10);
  border-radius:999px;
  background:rgba(255,255,255,.035);
  color:#8fa6c0;
  font:800 9px/1 Arial,sans-serif;
  letter-spacing:1.2px;
  direction:ltr;
}

#grammar-challenge-page .gc-chip-a{right:0;top:29px}
#grammar-challenge-page .gc-chip-b{right:15px;bottom:46px}
#grammar-challenge-page .gc-chip-c{left:2px;bottom:12px}

/* ===== ARENA ===== */
#grammar-challenge-page .gc-arena{
  margin-top:22px;
  padding:34px;
  border:1px solid var(--gc-line);
  border-radius:28px;
  background:
    radial-gradient(circle at 100% 0%,rgba(214,181,116,.10),transparent 24%),
    #f1ede4;
}

#grammar-challenge-page .gc-arena-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:24px;
}

#grammar-challenge-page .gc-arena-head > div > span{
  display:block;
  direction:ltr;
  color:#b18d48;
  font-size:9px;
  font-weight:900;
  letter-spacing:1.8px;
}

#grammar-challenge-page .gc-arena-head h2{
  margin:7px 0 0;
  color:var(--gc-navy);
  font-size:28px;
  font-weight:900;
}

#grammar-challenge-page .gc-back-link{
  color:#7d8998;
  text-decoration:none;
  font-size:12px;
  font-weight:800;
  display:inline-flex;
  gap:9px;
  align-items:center;
}

#grammar-challenge-page .gc-back-link > span{
  direction:rtl;
  letter-spacing:0;
  white-space:nowrap;
}

#grammar-challenge-page .gc-back-link i{
  width:31px;
  height:31px;
  border:1px solid #dbe1e8;
  border-radius:50%;
  background:#fff;
  display:grid;
  place-items:center;
  color:var(--gc-navy);
  font-style:normal;
}

/* ===== APP ===== */
#grammar-challenge-page .gc-app{
  min-height:560px;
  border:1px solid #e8e1d6;
  border-radius:25px;
  background:rgba(255,255,255,.96);
  box-shadow:0 16px 36px rgba(13,49,95,.055);
  overflow:hidden;
  color:var(--gc-navy);
  position:relative;
}

#grammar-challenge-page .gc-loading{
  min-height:560px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:14px;
  color:#9aa5b3;
  font-size:13px;
}

#grammar-challenge-page .gc-loading-mark{
  width:34px;
  height:34px;
  border:2px solid #e5e8ec;
  border-top-color:var(--gc-gold);
  border-radius:50%;
  animation:gc-spin .8s linear infinite;
}

@keyframes gc-spin{to{transform:rotate(360deg)}}

/* ===== INTRO ===== */
#grammar-challenge-page .gc-intro{
  min-height:560px;
  display:grid;
  grid-template-columns:minmax(0,1fr) 270px;
}

#grammar-challenge-page .gc-intro-main{
  padding:55px 56px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}

#grammar-challenge-page .gc-mini-label{
  color:#b18d48;
  font-size:10px;
  font-weight:900;
  letter-spacing:1.6px;
  direction:ltr;
  margin-bottom:10px;
}

#grammar-challenge-page .gc-intro h3{
  margin:0;
  color:var(--gc-navy);
  font-size:38px;
  line-height:1.3;
  font-weight:900;
}

#grammar-challenge-page .gc-intro h3 span{color:#b99045}

#grammar-challenge-page .gc-intro-copy{
  max-width:590px;
  margin:15px 0 0;
  color:#8995a5;
  font-size:15px;
  line-height:1.95;
}

#grammar-challenge-page .gc-stat-row{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:9px;
  margin-top:24px;
}

#grammar-challenge-page .gc-stat{
  padding:13px 12px;
  border:1px solid #e8e1d7;
  border-radius:14px;
  background:#faf8f4;
}

#grammar-challenge-page .gc-stat strong{
  display:block;
  color:var(--gc-navy);
  font:900 19px/1 Arial,sans-serif;
  direction:ltr;
}

#grammar-challenge-page .gc-stat span{
  display:block;
  margin-top:6px;
  color:#9aa4b0;
  font-size:10px;
}

#grammar-challenge-page .gc-start-row{
  display:flex;
  align-items:center;
  gap:13px;
  margin-top:27px;
  flex-wrap:wrap;
}

#grammar-challenge-page .gc-note{
  color:#98a3b0;
  font-size:11px;
}

#grammar-challenge-page .gc-btn{
  min-height:48px;
  padding:0 24px;
  border:0;
  border-radius:999px;
  background:var(--gc-navy);
  color:#fff;
  font-family:inherit;
  font-size:13px;
  font-weight:900;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  transition:.2s ease;
}

#grammar-challenge-page .gc-btn:hover{
  transform:translateY(-2px);
  background:#09294f;
  box-shadow:0 9px 22px rgba(13,49,95,.15);
}

#grammar-challenge-page .gc-btn:disabled{
  opacity:.45;
  cursor:default;
  transform:none;
  box-shadow:none;
}

#grammar-challenge-page .gc-btn.secondary{
  background:#fff;
  color:var(--gc-navy);
  border:1px solid #dfe4ea;
  box-shadow:none;
}

#grammar-challenge-page .gc-btn.secondary:hover{
  background:#f8f5ef;
  box-shadow:none;
}

#grammar-challenge-page .gc-btn svg{
  width:17px;
  height:17px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.8;
  stroke-linecap:round;
  stroke-linejoin:round;
}

#grammar-challenge-page .gc-intro-side{
  padding:34px 28px;
  background:
    radial-gradient(circle at 50% 36%,rgba(214,181,116,.14),transparent 34%),
    linear-gradient(160deg,#0d315f,#153d6b);
  color:#fff;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  position:relative;
  overflow:hidden;
}

#grammar-challenge-page .gc-intro-side::after{
  content:"";
  position:absolute;
  width:185px;
  height:185px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.06);
  left:-65px;
  bottom:-80px;
  box-shadow:0 0 0 30px rgba(255,255,255,.02);
}

#grammar-challenge-page .gc-side-index{
  color:#d9bd83;
  font:900 10px/1 Arial,sans-serif;
  letter-spacing:2px;
  direction:ltr;
}

#grammar-challenge-page .gc-side-number{
  margin-top:auto;
  color:#fff;
  font:900 70px/.9 Arial,sans-serif;
  direction:ltr;
}

#grammar-challenge-page .gc-side-number small{
  display:block;
  margin-top:10px;
  color:#8fa4bc;
  font-size:10px;
  letter-spacing:3px;
}

#grammar-challenge-page .gc-side-note{
  position:relative;
  z-index:2;
  margin:34px 0 0;
  color:#91a6bf;
  font-size:11px;
  line-height:1.8;
}

/* ===== QUIZ ===== */
#grammar-challenge-page .gc-quiz{
  min-height:560px;
  padding:28px 34px 36px;
}

#grammar-challenge-page .gc-quiz-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}

#grammar-challenge-page .gc-quiz-back{
  border:0;
  background:transparent;
  color:#8995a4;
  font-family:inherit;
  font-size:11px;
  font-weight:800;
  cursor:pointer;
  padding:0;
}

#grammar-challenge-page .gc-score{
  min-height:34px;
  padding:7px 12px;
  border:1px solid #e5ddd0;
  border-radius:999px;
  background:#f8f4ec;
  color:var(--gc-navy);
  font-size:11px;
  font-weight:900;
}

#grammar-challenge-page .gc-score strong{
  direction:ltr;
  display:inline-block;
  margin-right:3px;
}

#grammar-challenge-page .gc-progress-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:18px;
  color:#9aa4af;
  font-size:10px;
  font-weight:800;
}

#grammar-challenge-page .gc-progress-row strong{
  color:var(--gc-navy);
  direction:ltr;
  font-size:11px;
}

#grammar-challenge-page .gc-progress-track{
  height:4px;
  margin-top:8px;
  border-radius:999px;
  background:#ece8e1;
  overflow:hidden;
}

#grammar-challenge-page .gc-progress-fill{
  height:100%;
  border-radius:inherit;
  background:linear-gradient(90deg,#c8a35f,#e4ca86);
  transition:width .25s ease;
}

#grammar-challenge-page .gc-question-shell{
  max-width:830px;
  margin:38px auto 0;
}

#grammar-challenge-page .gc-type-badge{
  display:inline-flex;
  min-height:29px;
  padding:6px 11px;
  border:1px solid #e5ded2;
  border-radius:999px;
  background:#faf8f4;
  color:#9a7a3f;
  font-size:9px;
  font-weight:900;
}

#grammar-challenge-page .gc-question-card{
  min-height:145px;
  margin-top:11px;
  padding:28px;
  border:1px solid #e5ded3;
  border-radius:22px;
  background:
    radial-gradient(circle at 50% 140%,rgba(214,181,116,.10),transparent 52%),
    #fbfaf7;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
}

#grammar-challenge-page .gc-question{
  direction:ltr;
  unicode-bidi:isolate;
  color:var(--gc-navy);
  font:800 clamp(19px,2.5vw,26px)/1.6 Arial,Helvetica,sans-serif;
}

#grammar-challenge-page .gc-options{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:11px;
  margin-top:14px;
}

#grammar-challenge-page .gc-option{
  min-height:64px;
  padding:12px 42px 12px 18px;
  border:1px solid #e5ded2;
  border-radius:16px;
  background:#fff;
  color:var(--gc-navy);
  font-family:inherit;
  font-size:13px;
  font-weight:800;
  cursor:pointer;
  transition:.16s ease;
  position:relative;
  direction:ltr;
  unicode-bidi:isolate;
}

#grammar-challenge-page .gc-option::before{
  content:attr(data-key);
  position:absolute;
  right:11px;
  top:50%;
  transform:translateY(-50%);
  width:23px;
  height:23px;
  border:1px solid #e4e7eb;
  border-radius:7px;
  display:grid;
  place-items:center;
  color:#a1abb7;
  font:700 10px/1 Arial,sans-serif;
  direction:ltr;
}

#grammar-challenge-page .gc-option:hover:not(:disabled){
  transform:translateY(-2px);
  border-color:var(--gc-gold);
  box-shadow:0 8px 20px rgba(13,49,95,.07);
}

#grammar-challenge-page .gc-option:disabled{cursor:default}

#grammar-challenge-page .gc-option.correct{
  background:var(--gc-green-soft);
  border-color:#7eb99f;
  color:#246e52;
}

#grammar-challenge-page .gc-option.correct::before{
  content:"✓";
  border-color:#89bea7;
  color:#267457;
}

#grammar-challenge-page .gc-option.wrong{
  background:var(--gc-red-soft);
  border-color:#dda0a3;
  color:#a7474c;
}

#grammar-challenge-page .gc-option.wrong::before{
  content:"×";
  border-color:#dda0a3;
  color:#b34f54;
}

#grammar-challenge-page .gc-option.reveal{
  border-color:#7eb99f;
  box-shadow:inset 0 0 0 1px #7eb99f;
}

#grammar-challenge-page .gc-fill-box{
  margin-top:14px;
}

#grammar-challenge-page .gc-fill-input{
  width:100%;
  min-height:62px;
  padding:13px 18px;
  border:1px solid #e3ddd3;
  border-radius:16px;
  background:#fff;
  outline:none;
  color:var(--gc-navy);
  font:800 17px/1 Arial,Helvetica,sans-serif;
  direction:ltr;
  text-align:center;
  transition:.16s ease;
}

#grammar-challenge-page .gc-fill-input:focus{
  border-color:#cdae6c;
  box-shadow:0 0 0 3px rgba(214,181,116,.12);
}

#grammar-challenge-page .gc-fill-input.correct{
  background:var(--gc-green-soft);
  border-color:#7eb99f;
}

#grammar-challenge-page .gc-fill-input.wrong{
  background:var(--gc-red-soft);
  border-color:#dda0a3;
}

#grammar-challenge-page .gc-fill-actions{
  display:flex;
  justify-content:center;
  margin-top:12px;
}

#grammar-challenge-page .gc-feedback{
  min-height:21px;
  margin-top:10px;
  text-align:center;
  font-size:12px;
  font-weight:900;
}

#grammar-challenge-page .gc-feedback.ok{color:#267457}
#grammar-challenge-page .gc-feedback.fail{color:#b34f54}

#grammar-challenge-page .gc-next-wrap{
  display:flex;
  justify-content:center;
  margin-top:17px;
}

#grammar-challenge-page .gc-key-tip{
  margin-top:14px;
  color:#adb5bf;
  font-size:10px;
  text-align:center;
}

/* ===== RESULT ===== */
#grammar-challenge-page .gc-result{
  min-height:560px;
  display:grid;
  grid-template-columns:260px 1fr;
}

#grammar-challenge-page .gc-result-score{
  padding:38px 28px;
  background:
    radial-gradient(circle at 50% 42%,rgba(214,181,116,.14),transparent 35%),
    linear-gradient(160deg,#0d315f,#173f70);
  color:#fff;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
}

#grammar-challenge-page .gc-result-score small{
  color:#d5b777;
  font:900 9px/1 Arial,sans-serif;
  letter-spacing:2px;
}

#grammar-challenge-page .gc-big-score{
  margin-top:18px;
  color:#fff;
  font:900 66px/.9 Arial,sans-serif;
  direction:ltr;
}

#grammar-challenge-page .gc-score-caption{
  margin-top:12px;
  color:#92a7be;
  font-size:11px;
}

#grammar-challenge-page .gc-result-main{
  padding:48px 54px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}

#grammar-challenge-page .gc-result-main h3{
  margin:0;
  color:var(--gc-navy);
  font-size:34px;
  font-weight:900;
}

#grammar-challenge-page .gc-result-main > p{
  margin:10px 0 0;
  color:#8a96a5;
  font-size:14px;
  line-height:1.85;
}

#grammar-challenge-page .gc-result-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;
  margin-top:23px;
}

#grammar-challenge-page .gc-result-stat{
  padding:13px;
  border:1px solid #e7e1d7;
  border-radius:14px;
  background:#faf9f6;
}

#grammar-challenge-page .gc-result-stat strong{
  display:block;
  color:var(--gc-navy);
  font:900 19px/1 Arial,sans-serif;
  direction:ltr;
}

#grammar-challenge-page .gc-result-stat span{
  display:block;
  margin-top:6px;
  color:#9ba4af;
  font-size:10px;
}

#grammar-challenge-page .gc-result-actions{
  display:flex;
  gap:9px;
  flex-wrap:wrap;
  margin-top:24px;
}

/* ===== RESPONSIVE ===== */
@media(max-width:900px){
  #grammar-challenge-page .gc-hero{
    grid-template-columns:1fr;
    min-height:auto;
  }

  #grammar-challenge-page .gc-hero-art{height:245px}
}

@media(max-width:700px){
  #grammar-challenge-page .gc-page{padding:22px 14px 70px}

  #grammar-challenge-page .gc-hero{
    padding:32px 24px;
    border-radius:23px;
  }

  #grammar-challenge-page .gc-hero h1{font-size:36px}
  #grammar-challenge-page .gc-hero-art{display:none}

  #grammar-challenge-page .gc-arena{
    padding:16px;
    border-radius:23px;
  }

  #grammar-challenge-page .gc-arena-head{
    align-items:flex-start;
    flex-direction:column;
  }

  #grammar-challenge-page .gc-intro{grid-template-columns:1fr}
  #grammar-challenge-page .gc-intro-main{padding:38px 26px}
  #grammar-challenge-page .gc-intro h3{font-size:31px}
  #grammar-challenge-page .gc-stat-row{grid-template-columns:1fr}

  #grammar-challenge-page .gc-intro-side{
    min-height:170px;
  }

  #grammar-challenge-page .gc-side-number{font-size:58px}

  #grammar-challenge-page .gc-quiz{padding:24px 18px 28px}
  #grammar-challenge-page .gc-question-shell{margin-top:28px}
  #grammar-challenge-page .gc-options{grid-template-columns:1fr}

  #grammar-challenge-page .gc-result{grid-template-columns:1fr}
  #grammar-challenge-page .gc-result-score{min-height:205px}
  #grammar-challenge-page .gc-result-main{padding:36px 25px}
  #grammar-challenge-page .gc-result-stats{grid-template-columns:1fr}
}


/* =========================================================
   English Nest — Grammar Challenge
   Match Grammar Test answer/progress feedback
   ========================================================= */

/* Smooth progress */
#grammar-challenge-page .gc-progress-fill{
  transition:width .46s cubic-bezier(.22,1,.36,1) !important;
}

/* Correct / wrong / revealed answer */
#grammar-challenge-page .gc-option.correct{
  animation:gcAnswerCorrect .46s cubic-bezier(.22,1,.36,1) both;
  box-shadow:0 0 0 4px rgba(47,138,103,.10),0 8px 22px rgba(47,138,103,.11);
}

#grammar-challenge-page .gc-option.wrong{
  animation:gcAnswerWrong .38s ease-out both;
  box-shadow:0 0 0 4px rgba(197,93,99,.08);
}

#grammar-challenge-page .gc-option.reveal{
  animation:gcRevealCorrect .62s cubic-bezier(.22,1,.36,1) .08s both;
}

#grammar-challenge-page .gc-fill-input.correct{
  animation:gcFillCorrect .46s cubic-bezier(.22,1,.36,1) both;
  box-shadow:0 0 0 4px rgba(47,138,103,.09);
}

#grammar-challenge-page .gc-fill-input.wrong{
  animation:gcFillWrong .38s ease-out both;
  box-shadow:0 0 0 4px rgba(197,93,99,.07);
}

#grammar-challenge-page .gc-feedback.gc-feedback-enter{
  animation:gcFeedbackEnter .34s cubic-bezier(.22,1,.36,1) both;
}

#grammar-challenge-page .gc-next-wrap .gc-btn.gc-next-enter{
  animation:gcNextEnter .34s cubic-bezier(.22,1,.36,1) both;
}

/* HUD */
#grammar-challenge-page #gc-progress-num.gc-progress-pop{
  animation:gcProgressPop .34s cubic-bezier(.22,1,.36,1);
}

#grammar-challenge-page #gc-score-num.gc-score-pop{
  animation:gcScorePop .38s cubic-bezier(.22,1,.36,1);
}

/* Final score */
#grammar-challenge-page .gc-big-score.gc-result-counting{
  animation:gcFinalScoreReveal .58s cubic-bezier(.22,1,.36,1);
}

#grammar-challenge-page .gc-result-stat strong.gc-result-counting{
  animation:gcFinalStatReveal .58s .05s cubic-bezier(.22,1,.36,1) both;
}

@keyframes gcAnswerCorrect{
  0%{transform:scale(.985);filter:saturate(.86)}
  52%{transform:scale(1.025);filter:saturate(1.12)}
  100%{transform:scale(1);filter:none}
}

@keyframes gcAnswerWrong{
  0%,100%{transform:translateX(0)}
  20%{transform:translateX(-5px)}
  42%{transform:translateX(5px)}
  62%{transform:translateX(-3px)}
  80%{transform:translateX(2px)}
}

@keyframes gcRevealCorrect{
  0%{transform:scale(.985)}
  48%{transform:scale(1.018);box-shadow:inset 0 0 0 1px #7eb99f,0 0 0 4px rgba(47,138,103,.08)}
  100%{transform:scale(1)}
}

@keyframes gcFillCorrect{
  0%{transform:scale(.994)}
  50%{transform:scale(1.012)}
  100%{transform:scale(1)}
}

@keyframes gcFillWrong{
  0%,100%{transform:translateX(0)}
  22%{transform:translateX(-4px)}
  45%{transform:translateX(4px)}
  68%{transform:translateX(-2px)}
  84%{transform:translateX(2px)}
}

@keyframes gcFeedbackEnter{
  from{opacity:0;transform:translateY(5px) scale(.98)}
  to{opacity:1;transform:none}
}

@keyframes gcNextEnter{
  from{opacity:0;transform:translateY(7px)}
  to{opacity:1;transform:none}
}

@keyframes gcProgressPop{
  0%{opacity:.55;transform:translateY(3px) scale(.96)}
  58%{opacity:1;transform:translateY(0) scale(1.06)}
  100%{opacity:1;transform:scale(1)}
}

@keyframes gcScorePop{
  0%{transform:scale(.96)}
  52%{transform:scale(1.10)}
  100%{transform:scale(1)}
}

@keyframes gcFinalScoreReveal{
  0%{opacity:.35;transform:translateY(7px) scale(.94)}
  62%{opacity:1;transform:translateY(0) scale(1.045)}
  100%{opacity:1;transform:scale(1)}
}

@keyframes gcFinalStatReveal{
  from{opacity:0;transform:translateY(5px)}
  to{opacity:1;transform:none}
}

@media (prefers-reduced-motion:reduce){
  #grammar-challenge-page .gc-option.correct,
  #grammar-challenge-page .gc-option.wrong,
  #grammar-challenge-page .gc-option.reveal,
  #grammar-challenge-page .gc-fill-input.correct,
  #grammar-challenge-page .gc-fill-input.wrong,
  #grammar-challenge-page .gc-feedback.gc-feedback-enter,
  #grammar-challenge-page .gc-next-wrap .gc-btn.gc-next-enter,
  #grammar-challenge-page #gc-progress-num.gc-progress-pop,
  #grammar-challenge-page #gc-score-num.gc-score-pop,
  #grammar-challenge-page .gc-big-score.gc-result-counting,
  #grammar-challenge-page .gc-result-stat strong.gc-result-counting{
    animation:none !important;
    transform:none !important;
  }

  #grammar-challenge-page .gc-progress-fill{
    transition:none !important;
  }
}