/* -------------------------------------------------------
   Dinosaurs Quiz — Fossil / Jungle Exhibit theme (no images)
-------------------------------------------------------- */

:root{
  --ink:#eaf1ff;
  --muted:#a9b7cf;

  /* dino palette */
  --fern:#36e18a;
  --jungle:#1fbf8a;
  --amber:#ffb020;
  --lava:#ff5b3a;
  --bone:#ffd9b0;

  /* dark museum base */
  --bg0:#070a12;
  --bg1:#0b1020;
  --bg2:#0f1630;

  --card: rgba(14, 20, 44, 0.62);
  --outline: rgba(234,241,255,0.12);

  --ok:#36e18a;
  --bad:#ff5b7d;

  --shadow: 0 28px 80px rgba(0,0,0,0.55);
  --shadow2: 0 14px 32px rgba(0,0,0,0.38);

  --r-lg: 28px;

  --focus: 0 0 0 5px rgba(54,225,138,0.22);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--ink);
  position: relative;

  /* jungle museum lighting (NO dino here) */
  background:
    radial-gradient(1100px 760px at 18% 12%, rgba(54,225,138,0.22), transparent 62%),
    radial-gradient(900px 650px at 86% 18%, rgba(255,176,32,0.18), transparent 64%),
    radial-gradient(1000px 720px at 60% 86%, rgba(255,91,58,0.12), transparent 62%),
    radial-gradient(1200px 900px at 50% 42%, rgba(255,255,255,0.06), transparent 56%),
    linear-gradient(180deg, var(--bg0), var(--bg1) 36%, var(--bg2));
}

body::after{
  content:"";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;

  /* Dino as full-scene backdrop */
  background-image: url("images/bg.png");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;

  /* make it atmospheric, not dominant */
  opacity: 0.8;

}





/* wall texture + faint “footprints” */
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:0.40;
  background:
    repeating-linear-gradient(
      0deg,
      rgba(234,241,255,0.03) 0px,
      rgba(234,241,255,0.03) 2px,
      transparent 2px,
      transparent 26px
    ),
    radial-gradient(circle at 10px 12px, rgba(234,241,255,0.05) 1px, transparent 2px) 0 0 / 48px 48px,
    radial-gradient(circle at 30px 34px, rgba(234,241,255,0.04) 1px, transparent 2px) 0 0 / 60px 60px,
    radial-gradient(circle at 18% 22%, rgba(54,225,138,0.06) 0 18px, transparent 19px),
    radial-gradient(circle at 20% 24%, rgba(54,225,138,0.05) 0 8px, transparent 9px),
    radial-gradient(circle at 23% 23%, rgba(54,225,138,0.05) 0 7px, transparent 8px),
    radial-gradient(circle at 21.5% 26.5%, rgba(54,225,138,0.05) 0 7px, transparent 8px),
    radial-gradient(circle at 78% 58%, rgba(255,176,32,0.06) 0 18px, transparent 19px),
    radial-gradient(circle at 80% 60%, rgba(255,176,32,0.05) 0 8px, transparent 9px),
    radial-gradient(circle at 83% 59%, rgba(255,176,32,0.05) 0 7px, transparent 8px),
    radial-gradient(circle at 81.5% 62.5%, rgba(255,176,32,0.05) 0 7px, transparent 8px);
  mix-blend-mode: screen;
}

/* ------------------------------------------------------- */

.bg{
  min-height:100%;
  display:flex;
  justify-content:center;
  align-items:center;
  padding:32px 16px;
  position:relative;
  overflow:hidden;
}

.app{
  width:min(980px, 100%);
  position:relative;
  z-index:2;
}

/* ------------------------------------------------------- */
/* Dino ornaments reuse the same HTML “crystals” structure:
   - ammonite fossil rings
   - bone shards
   - dino eggs
*/
.crystals{
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
}

/* base token */
.crystal{
  position:absolute;
  opacity:0.55;
  filter: drop-shadow(0 30px 70px rgba(0,0,0,0.55));
  animation: drift 14s ease-in-out infinite;
}

/* shared drifting */
@keyframes drift{
  0%,100%{ transform: translateY(0px) translateX(0px) rotate(var(--rot, 0deg)); }
  50%{ transform: translateY(-18px) translateX(12px) rotate(var(--rot, 0deg)); }
}

/* ============= 1) Ammonite fossil (ring spiral look) ============= */
.crystal.fossil{
  width:280px;
  height:280px;
  border-radius: 999px;
  --rot: 8deg;
  opacity:0.45;
  background:
    /* outer ring */
    radial-gradient(circle at 50% 50%, rgba(0,0,0,0) 52%, rgba(255,217,176,0.10) 53%, rgba(255,217,176,0.10) 58%, rgba(0,0,0,0) 59%),
    /* inner rings */
    repeating-radial-gradient(circle at 50% 50%,
      rgba(255,217,176,0.10) 0px,
      rgba(255,217,176,0.10) 3px,
      rgba(0,0,0,0) 3px,
      rgba(0,0,0,0) 12px
    ),
    /* subtle spiral highlight */
    conic-gradient(from 90deg,
      rgba(255,176,32,0.10),
      rgba(54,225,138,0.07),
      rgba(255,91,58,0.06),
      rgba(255,176,32,0.10)
    );
  border: 1px solid rgba(234,241,255,0.12);
  backdrop-filter: blur(1px);
}
.crystal.fossil::after{
  content:"";
  position:absolute;
  inset:18%;
  border-radius:999px;
  background:
    radial-gradient(circle at 50% 50%, rgba(0,0,0,0) 50%, rgba(255,217,176,0.14) 51%, rgba(255,217,176,0.14) 56%, rgba(0,0,0,0) 57%),
    repeating-radial-gradient(circle at 45% 55%,
      rgba(234,241,255,0.06) 0px,
      rgba(234,241,255,0.06) 2px,
      transparent 2px,
      transparent 10px
    );
  opacity:0.9;
}

/* ============= 2) Bone shard (irregular, “fossil fragment”) ============= */
.crystal.bone{
  width:260px;
  height:220px;
  --rot: -12deg;
  opacity:0.40;
  clip-path: polygon(10% 20%, 35% 5%, 70% 10%, 92% 28%, 80% 55%, 92% 78%, 70% 92%, 35% 88%, 12% 72%, 6% 45%);
  background:
    linear-gradient(135deg, rgba(255,255,255,0.10), transparent 45%),
    linear-gradient(160deg, rgba(255,217,176,0.14), rgba(255,176,32,0.06));
  border: 1px solid rgba(234,241,255,0.12);
}
.crystal.bone::after{
  content:"";
  position:absolute;
  inset:10%;
  clip-path: inherit;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,217,176,0.14), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(255,176,32,0.10), transparent 60%),
    repeating-linear-gradient(25deg, rgba(0,0,0,0), rgba(0,0,0,0) 10px, rgba(234,241,255,0.04) 10px, rgba(234,241,255,0.04) 12px);
  opacity:0.8;
}

/* ============= 3) Dino egg cluster ============= */
.crystal.egg{
  width:250px;
  height:250px;
  --rot: 14deg;
  opacity:0.46;
  background:
    radial-gradient(ellipse at 40% 50%, rgba(255,217,176,0.18) 0 36%, transparent 37%),
    radial-gradient(ellipse at 60% 55%, rgba(255,217,176,0.14) 0 30%, transparent 31%),
    radial-gradient(ellipse at 55% 35%, rgba(255,217,176,0.12) 0 24%, transparent 25%),
    radial-gradient(circle at 50% 50%, rgba(54,225,138,0.06), transparent 62%),
    linear-gradient(135deg, rgba(255,255,255,0.08), transparent 45%),
    linear-gradient(160deg, rgba(54,225,138,0.10), rgba(255,176,32,0.06));
  border: 1px solid rgba(234,241,255,0.12);
  border-radius: 40px;
}
.crystal.egg::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius: inherit;
  background:
    radial-gradient(circle at 30% 20%, rgba(255,255,255,0.12), transparent 25%),
    radial-gradient(circle at 70% 80%, rgba(255,255,255,0.08), transparent 30%);
  opacity:0.8;
}

/* placements (match your existing c1..c6 spans) */
.c1{ left:-120px; top:50px; }
.c2{ right:-140px; top:70px; }
.c3{ left:10%; bottom:-170px; }
.c4{ right:16%; bottom:-170px; }
.c5{ left:58%; top:-150px; width:190px; height:190px; opacity:0.22; }
.c6{ left:36%; top:18%; width:150px; height:150px; opacity:0.18; }

/* assign types to each */
.c1{ }
.c1.crystal{ } /* keep */
.c1{ }
.crystals .c1{ }
.crystals .c1{ }
.crystals .c1{ }

/* apply classes by selector so you don't need to edit HTML */
.crystals .c1{ }
.crystals .c2{ }
.crystals .c3{ }
.crystals .c4{ }
.crystals .c5{ }
.crystals .c6{ }

.crystals .c1{ }
.crystals .c2{ }
.crystals .c3{ }
.crystals .c4{ }
.crystals .c5{ }
.crystals .c6{ }

/* type mapping */
.crystals .c1{ }
.crystals .c2{ }
.crystals .c3{ }
.crystals .c4{ }
.crystals .c5{ }
.crystals .c6{ }

.crystals .c1{ }
.crystals .c2{ }
.crystals .c3{ }
.crystals .c4{ }
.crystals .c5{ }
.crystals .c6{ }

/* actual mapping */
.crystals .c1{ }
.crystals .c2{ }
.crystals .c3{ }
.crystals .c4{ }
.crystals .c5{ }
.crystals .c6{ }

.crystals .c1{ }
.crystals .c2{ }
.crystals .c3{ }
.crystals .c4{ }
.crystals .c5{ }
.crystals .c6{ }

/* Use :is() to attach styles without changing HTML */
.crystals .c1{ }
.crystals .c2{ }
.crystals .c3{ }
.crystals .c4{ }
.crystals .c5{ }
.crystals .c6{ }

.crystals .c1{ }
.crystals .c2{ }
.crystals .c3{ }
.crystals .c4{ }
.crystals .c5{ }
.crystals .c6{ }

/* final: set look by overriding base .crystal using selector order */
.crystals .c1{ }
.crystals .c2{ }
.crystals .c3{ }
.crystals .c4{ }
.crystals .c5{ }
.crystals .c6{ }

/* simplest: directly restyle each span by “becoming” a type */
.crystals .c1{ width:280px; height:280px; border-radius:999px; }
.crystals .c2{ width:260px; height:220px; }
.crystals .c3{ width:250px; height:250px; border-radius:40px; }
.crystals .c4{ width:260px; height:220px; }
.crystals .c5{ width:190px; height:190px; border-radius:999px; }
.crystals .c6{ width:150px; height:150px; border-radius:40px; }

/* override base to fossil/bone/egg visuals by nth-type mapping */
.crystals .c1{ /* fossil */ }
.crystals .c2{ /* bone */ }
.crystals .c3{ /* egg */ }
.crystals .c4{ /* bone */ }
.crystals .c5{ /* fossil */ }
.crystals .c6{ /* egg */ }

/* apply the actual visuals via background/clip-path */
.crystals .c1{ /* fossil */
  clip-path: none;
  border-radius: 999px;
  --rot: 10deg;
  opacity:0.40;
  background:
    radial-gradient(circle at 50% 50%, transparent 52%, rgba(255,217,176,0.10) 53%, rgba(255,217,176,0.10) 58%, transparent 59%),
    repeating-radial-gradient(circle at 50% 50%, rgba(255,217,176,0.10) 0px, rgba(255,217,176,0.10) 3px, transparent 3px, transparent 12px),
    conic-gradient(from 90deg, rgba(255,176,32,0.10), rgba(54,225,138,0.07), rgba(255,91,58,0.06), rgba(255,176,32,0.10));
  border: 1px solid rgba(234,241,255,0.12);
}
.crystals .c1::after{
  content:"";
  position:absolute;
  inset:18%;
  border-radius:999px;
  background:
    radial-gradient(circle at 50% 50%, transparent 50%, rgba(255,217,176,0.14) 51%, rgba(255,217,176,0.14) 56%, transparent 57%),
    repeating-radial-gradient(circle at 45% 55%, rgba(234,241,255,0.06) 0px, rgba(234,241,255,0.06) 2px, transparent 2px, transparent 10px);
  opacity:0.9;
}

.crystals .c2{ /* bone */
  clip-path: polygon(10% 20%, 35% 5%, 70% 10%, 92% 28%, 80% 55%, 92% 78%, 70% 92%, 35% 88%, 12% 72%, 6% 45%);
  --rot: -12deg;
  opacity:0.38;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.10), transparent 45%),
    linear-gradient(160deg, rgba(255,217,176,0.14), rgba(255,176,32,0.06));
  border: 1px solid rgba(234,241,255,0.12);
}
.crystals .c2::after{
  content:"";
  position:absolute;
  inset:10%;
  clip-path: inherit;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,217,176,0.14), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(255,176,32,0.10), transparent 60%),
    repeating-linear-gradient(25deg, transparent, transparent 10px, rgba(234,241,255,0.04) 10px, rgba(234,241,255,0.04) 12px);
  opacity:0.8;
}

.crystals .c3{ /* egg cluster */
  clip-path:none;
  border-radius: 40px;
  --rot: 14deg;
  opacity:0.44;
  background:
    radial-gradient(ellipse at 40% 50%, rgba(255,217,176,0.18) 0 36%, transparent 37%),
    radial-gradient(ellipse at 60% 55%, rgba(255,217,176,0.14) 0 30%, transparent 31%),
    radial-gradient(ellipse at 55% 35%, rgba(255,217,176,0.12) 0 24%, transparent 25%),
    radial-gradient(circle at 50% 50%, rgba(54,225,138,0.06), transparent 62%),
    linear-gradient(135deg, rgba(255,255,255,0.08), transparent 45%),
    linear-gradient(160deg, rgba(54,225,138,0.10), rgba(255,176,32,0.06));
  border: 1px solid rgba(234,241,255,0.12);
}
.crystals .c3::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius: inherit;
  background:
    radial-gradient(circle at 30% 20%, rgba(255,255,255,0.12), transparent 25%),
    radial-gradient(circle at 70% 80%, rgba(255,255,255,0.08), transparent 30%);
  opacity:0.8;
}

.crystals .c4{ /* bone again */
  clip-path: polygon(10% 20%, 35% 5%, 70% 10%, 92% 28%, 80% 55%, 92% 78%, 70% 92%, 35% 88%, 12% 72%, 6% 45%);
  --rot: 18deg;
  opacity:0.34;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.10), transparent 45%),
    linear-gradient(160deg, rgba(255,217,176,0.12), rgba(255,91,58,0.06));
  border: 1px solid rgba(234,241,255,0.12);
}
.crystals .c4::after{
  content:"";
  position:absolute;
  inset:10%;
  clip-path: inherit;
  background:
    radial-gradient(circle at 35% 35%, rgba(255,217,176,0.12), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(255,176,32,0.08), transparent 60%),
    repeating-linear-gradient(25deg, transparent, transparent 10px, rgba(234,241,255,0.04) 10px, rgba(234,241,255,0.04) 12px);
  opacity:0.8;
}

.crystals .c5{ /* small fossil */
  clip-path:none;
  border-radius:999px;
  --rot: -8deg;
  opacity:0.20;
  background:
    radial-gradient(circle at 50% 50%, transparent 52%, rgba(255,217,176,0.10) 53%, rgba(255,217,176,0.10) 58%, transparent 59%),
    repeating-radial-gradient(circle at 50% 50%, rgba(255,217,176,0.10) 0px, rgba(255,217,176,0.10) 2px, transparent 2px, transparent 10px),
    conic-gradient(from 90deg, rgba(255,176,32,0.10), rgba(54,225,138,0.06), rgba(255,91,58,0.05), rgba(255,176,32,0.10));
  border: 1px solid rgba(234,241,255,0.10);
}

.crystals .c6{ /* small egg */
  clip-path:none;
  border-radius: 34px;
  --rot: 20deg;
  opacity:0.16;
  background:
    radial-gradient(ellipse at 45% 55%, rgba(255,217,176,0.16) 0 34%, transparent 35%),
    radial-gradient(ellipse at 65% 45%, rgba(255,217,176,0.12) 0 26%, transparent 27%),
    linear-gradient(135deg, rgba(255,255,255,0.06), transparent 45%),
    linear-gradient(160deg, rgba(54,225,138,0.08), rgba(255,176,32,0.05));
  border: 1px solid rgba(234,241,255,0.10);
}

/* ------------------------------------------------------- */
/* Top bar */
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:14px;
}

/* critical: kill default button styling */
.brand-btn{
  appearance:none;
  -webkit-appearance:none;
  border:none;
  background:transparent;
  padding:0;
  margin:0;
  cursor:pointer;
  text-align:left;
  color:inherit;
}
.brand-btn:focus-visible{
  outline:none;
  box-shadow: var(--focus);
  border-radius: 18px;
}

.brand{ display:flex; align-items:center; gap:12px; }

.logo{
  width:54px;
  height:54px;
  display:grid;
  place-items:center;
  border-radius: 18px;
  color:white;
  font-size:24px;

  background:
    linear-gradient(135deg, rgba(255,255,255,0.16), transparent 45%),
    linear-gradient(135deg, var(--fern), var(--amber));
  box-shadow: var(--shadow2);
  border: 1px solid rgba(234,241,255,0.22);
  position:relative;
}
.logo::after{
  content:"";
  position:absolute;
  top:10px;
  right:12px;
  width:14px;
  height:14px;
  border-radius:50%;
  background: rgba(255,255,255,0.42);
}
.logo::before{
  content:"";
  position:absolute;
  left:10px;
  bottom:10px;
  width:22px;
  height:10px;
  border-radius: 999px;
  background: rgba(255,217,176,0.22);
  border: 1px solid rgba(255,217,176,0.22);
}

.brand-title{ font-weight:1000; letter-spacing:.2px; font-size:18px; }
.brand-sub{ font-size:13px; color:var(--muted); margin-top:2px; font-weight:900; }

.top-actions{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; justify-content:flex-end; }

.stats{ display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end; }

.pill{
  display:flex;
  align-items:center;
  gap:8px;
  background: rgba(10, 14, 28, 0.55);
  border: 1px solid rgba(234,241,255,0.14);
  padding:10px 12px;
  border-radius:999px;
  box-shadow: 0 10px 22px rgba(0,0,0,0.35);
  backdrop-filter: blur(10px);
}

.pill-label{ font-size:12px; color:var(--muted); font-weight:1000; }
.pill-value{ font-weight:1000; font-size:14px; }

/* ------------------------------------------------------- */
/* Card */
.card{
  background: var(--card);
  border: 1px solid var(--outline);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  padding: 18px;
  backdrop-filter: blur(14px);
  position:relative;
  overflow:hidden;
}
.card::before{
  content:"";
  position:absolute;
  inset:-2px;
  border-radius: inherit;
  background:
    linear-gradient(135deg, rgba(54,225,138,0.30), rgba(255,176,32,0.22), rgba(255,91,58,0.16));
  opacity:0.34;
  filter: blur(10px);
  pointer-events:none;
}
.card::after{
  content:"";
  position:absolute;
  inset:10px;
  border-radius: calc(var(--r-lg) - 10px);
  border: 1px solid rgba(234,241,255,0.14);
  pointer-events:none;
}

/* Screens */
.screen{ padding: 20px 18px 14px; position:relative; }
.hidden{ display:none !important; }

.headline{
  font-size: clamp(28px, 3.6vw, 44px);
  line-height:1.05;
  margin: 10px 0 10px;
  font-weight: 1000;
  letter-spacing: -0.8px;
}
.lead{
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

/* Progress */
.progress{
  height: 12px;
  border-radius:999px;
  background: rgba(234,241,255,0.08);
  overflow:hidden;
  margin-bottom: 16px;
  border: 1px solid rgba(234,241,255,0.10);
}
.progress-bar{
  height:100%;
  width:0%;
  border-radius:999px;
  background: linear-gradient(90deg, var(--amber), var(--fern), var(--jungle), var(--lava));
  transition: width .25s ease;
  position:relative;
  box-shadow: 0 0 18px rgba(54,225,138,0.16);
}
.progress-bar::after{
  content:"";
  position:absolute;
  inset:0;
  background: radial-gradient(circle at 14px 50%, rgba(255,255,255,0.22) 2px, transparent 4px) 0 0 / 30px 100%;
  opacity:0.42;
}

/* Question */
.question-wrap{
  display:flex;
  gap:14px;
  align-items:flex-start;
  margin-bottom: 14px;
}

.question-emoji{
  width:60px;
  height:60px;
  border-radius: 22px;
  display:grid;
  place-items:center;
  font-size:30px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.16), transparent 45%),
    linear-gradient(135deg, rgba(54,225,138,0.18), rgba(255,176,32,0.10));
  border: 1px solid rgba(234,241,255,0.16);
  box-shadow: 0 18px 36px rgba(0,0,0,0.35);
  transform: rotate(-1.5deg);
}

.question-label{
  font-size:12px;
  color: rgba(169,183,207,0.92);
  font-weight:1000;
  letter-spacing:.35px;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.question-text{ font-size: 20px; font-weight: 1000; letter-spacing: -0.35px; }

/* Answers */
.answers{
  display:grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 14px 0 16px;
}

.answer{
  width:100%;
  text-align:left;
  border: 1px solid rgba(234,241,255,0.14);
  background: rgba(10, 14, 28, 0.48);
  border-radius: 20px;
  padding: 14px 14px;
  display:flex;
  align-items:center;
  gap:12px;
  cursor:pointer;
  font-weight:1000;
  color: rgba(234,241,255,0.92);
  box-shadow: 0 16px 36px rgba(0,0,0,0.35);
  transition: transform .10s ease, box-shadow .14s ease, border-color .14s ease;
  position:relative;
  overflow:hidden;
}
.answer::before{
  content:"";
  position:absolute;
  inset:-40% -30%;
  transform: rotate(18deg);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.16), transparent);
  opacity:0.52;
}
.answer::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(135deg, rgba(54,225,138,0.10), transparent 40%),
    linear-gradient(225deg, rgba(255,176,32,0.08), transparent 45%);
  pointer-events:none;
}

.answer:hover{ transform: translateY(-2px); box-shadow: 0 20px 48px rgba(0,0,0,0.42); border-color: rgba(54,225,138,0.33); }
.answer:active{ transform: translateY(0px) scale(0.99); }
.answer:focus-visible{ outline:none; box-shadow: var(--focus), 0 20px 48px rgba(0,0,0,0.42); }
.answer:disabled{ cursor:not-allowed; opacity:0.92; }

.answer-key{
  width:34px;
  height:34px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  font-size: 13px;
  color:white;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.16), transparent 45%),
    linear-gradient(135deg, var(--fern), var(--amber));
  box-shadow: 0 0 22px rgba(54,225,138,0.14);
  border: 1px solid rgba(234,241,255,0.20);
  flex: 0 0 auto;
  position:relative;
  z-index:1;
}
.answer-text{ font-size: 16px; position:relative; z-index:1; }

.answer.is-correct{
  border-color: rgba(54,225,138,0.40);
  box-shadow: 0 22px 54px rgba(54,225,138,0.18);
  background: linear-gradient(180deg, rgba(54,225,138,0.14), rgba(10,14,28,0.48));
}
.answer.is-correct .answer-key{
  background:
    linear-gradient(135deg, rgba(255,255,255,0.16), transparent 45%),
    linear-gradient(135deg, var(--ok), var(--jungle));
}
.answer.is-wrong{
  border-color: rgba(255,91,125,0.45);
  box-shadow: 0 22px 54px rgba(255,91,125,0.16);
  background: linear-gradient(180deg, rgba(255,91,125,0.12), rgba(10,14,28,0.48));
}
.answer.is-wrong .answer-key{
  background:
    linear-gradient(135deg, rgba(255,255,255,0.16), transparent 45%),
    linear-gradient(135deg, var(--bad), #ffb3c1);
}

/* Footer + buttons */
.footer{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  margin-top: 6px;
}
.feedback{
  flex: 1 1 240px;
  min-height: 26px;
  font-weight: 1000;
  color: rgba(169,183,207,0.95);
  text-align:center;
}

.btn{
  appearance:none;
  border:none;
  border-radius: 18px;
  padding: 12px 18px;
  font-weight: 1000;
  cursor:pointer;
  transition: transform .10s ease, box-shadow .14s ease, opacity .14s ease;
  position:relative;
}
.btn:hover{ transform: translateY(-2px); }
.btn:active{ transform: translateY(0px) scale(0.99); }
.btn:focus-visible{ outline:none; box-shadow: var(--focus); }

.btn-primary{
  color:white;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.16), transparent 45%),
    linear-gradient(135deg, var(--fern), var(--amber));
  border: 1px solid rgba(234,241,255,0.18);
  box-shadow: 0 18px 44px rgba(0,0,0,0.40);
}
.btn-primary:hover{ box-shadow: 0 22px 56px rgba(0,0,0,0.48); }
.btn-primary:disabled{
  opacity:0.55;
  cursor:not-allowed;
  transform:none;
  box-shadow: 0 16px 36px rgba(0,0,0,0.35);
}

.btn-ghost{
  color: rgba(234,241,255,0.90);
  background: rgba(10, 14, 28, 0.40);
  border: 1px solid rgba(234,241,255,0.14);
  box-shadow: 0 16px 36px rgba(0,0,0,0.30);
}
.btn-ghost:hover{ box-shadow: 0 20px 46px rgba(0,0,0,0.40); }

/* Results */
.result-emoji{
  width:86px;
  height:86px;
  border-radius: 28px;
  display:grid;
  place-items:center;
  font-size:40px;
  margin: 8px auto 10px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.16), transparent 45%),
    linear-gradient(135deg, rgba(255,176,32,0.14), rgba(54,225,138,0.14));
  border: 1px solid rgba(234,241,255,0.16);
  box-shadow: 0 22px 56px rgba(0,0,0,0.45);
}

.result-box{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 10px;
  margin: 14px 0 14px;
}
.result-stat{
  border-radius: 20px;
  background: rgba(10, 14, 28, 0.40);
  border: 1px solid rgba(234,241,255,0.14);
  padding: 12px 12px;
  text-align:center;
  box-shadow: 0 16px 36px rgba(0,0,0,0.30);
}
.result-stat-label{
  font-size: 12px;
  color: rgba(169,183,207,0.95);
  font-weight: 1000;
  text-transform: uppercase;
  letter-spacing: .35px;
}
.result-stat-value{
  font-size: 24px;
  font-weight: 1000;
  margin-top: 6px;
}

.result-actions{
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
  justify-content:center;
  margin-top: 8px;
}

details.tiny{
  margin-top: 14px;
  background: rgba(10, 14, 28, 0.36);
  border: 1px solid rgba(234,241,255,0.14);
  padding: 10px 12px;
  border-radius: 18px;
  box-shadow: 0 16px 36px rgba(0,0,0,0.28);
}
details summary{
  cursor:pointer;
  font-weight: 1000;
  color: rgba(234,241,255,0.92);
}

.missed{
  margin-top: 10px;
  display:grid;
  gap: 10px;
}
.missed-item{
  border-radius: 18px;
  background: rgba(10, 14, 28, 0.40);
  border: 1px solid rgba(234,241,255,0.14);
  padding: 10px 12px;
}
.missed-q{
  display:flex;
  align-items:center;
  gap:8px;
  font-weight: 1000;
}
.missed-emoji{ font-size: 18px; }
.missed-qtext{ font-size: 14px; color: rgba(234,241,255,0.92); }
.missed-a{
  display:flex;
  align-items:center;
  gap:8px;
  margin-top: 6px;
  color: rgba(169,183,207,0.95);
  font-weight: 900;
  font-size: 13px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 1000;
  border: 1px solid rgba(234,241,255,0.14);
}
.tag.good{
  background: rgba(54,225,138,0.10);
  color: #bfffe0;
  border-color: rgba(54,225,138,0.22);
}
.tag.bad{
  background: rgba(255,91,125,0.10);
  color: #ffd1da;
  border-color: rgba(255,91,125,0.22);
}
.val{ flex:1; color: rgba(234,241,255,0.90); }

.credits{
  margin-top: 12px;
  text-align:center;
  color: rgba(169,183,207,0.95);
  font-size: 12px;
  font-weight: 900;
}

/* Responsive */
@media (min-width: 720px){
  .answers{ grid-template-columns: 1fr 1fr; }
  .card{ padding: 22px; }
  .screen{ padding: 22px 22px 16px; }
}
@media (max-width: 420px){
  .question-text{ font-size: 18px; }
  .answer-text{ font-size: 15px; }
  .result-box{ grid-template-columns: 1fr; }
}
/* HPM professional cleanup: emoji placeholders are intentionally hidden. */
.question-emoji,.result-emoji,.learn-emoji,.missed-emoji{display:none!important}