:root {
  --sky: #dff4ff;
  --sun: #ffd36b;
  --mint: #e8fff0;
  --forest: #1f6a4b;
  --ocean: #1f7aa8;
  --ink: #143042;
  --card: #fffaf0;
  --good: #1b8f4f;
  --bad: #c94d2f;
  --shadow: 0 12px 30px rgba(20, 48, 66, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Nunito", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 10%, var(--sun) 0 10%, transparent 11%),
    radial-gradient(circle at 90% 20%, #9ae8ff 0 12%, transparent 13%),
    linear-gradient(165deg, var(--sky), var(--mint));
  display: grid;
  place-items: center;
  padding: 1rem;
}

.quiz-shell {
  width: min(46rem, 100%);
  background: var(--card);
  border: 4px solid #ffffff;
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 1.25rem;
  animation: rise-in 420ms ease-out;
}

.brand {
  text-align: center;
}

.brand h1 {
  font-family: "Baloo 2", cursive;
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 2.9rem);
  color: var(--forest);
  line-height: 1;
}

.brand p {
  margin: 0.4rem 0 1.2rem;
  font-weight: 700;
  color: #305669;
}

.panel {
  background: #ffffffd9;
  border: 2px dashed #b7d9ea;
  border-radius: 20px;
  padding: 1rem;
}

.actions {
  display: flex;
  justify-content: center;
}

.btn {
  border: none;
  border-radius: 999px;
  padding: 0.8rem 1.3rem;
  font: 800 1rem/1 "Nunito", sans-serif;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.btn:focus-visible {
  outline: 3px solid #0a6a96;
  outline-offset: 3px;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(180deg, #3ca6d8, var(--ocean));
  color: #fff;
  box-shadow: 0 8px 16px rgba(31, 122, 168, 0.3);
}

.meta-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-weight: 800;
  margin-bottom: 0.65rem;
}

.question {
  font-size: clamp(1.15rem, 3.2vw, 1.55rem);
  font-weight: 800;
  margin: 0.35rem 0 1rem;
}

.answers {
  display: grid;
  gap: 0.7rem;
}

.answer-btn {
  text-align: left;
  padding: 0.9rem 1rem;
  border-radius: 14px;
  border: 2px solid #b8d8e8;
  background: #f5fbff;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  animation: pop-in 260ms ease both;
}

.answer-btn:disabled {
  cursor: not-allowed;
}

.answer-btn.correct {
  background: #dcf7e7;
  border-color: #8dd5ae;
  color: #0b5f30;
}

.answer-btn.wrong {
  background: #ffe7e1;
  border-color: #f0a393;
  color: #7f2d1b;
}

.feedback {
  min-height: 1.4rem;
  font-weight: 800;
  margin: 0.8rem 0;
}

.feedback.good {
  color: var(--good);
}

.feedback.bad {
  color: var(--bad);
}

.result-score {
  font-family: "Baloo 2", cursive;
  font-size: clamp(2.1rem, 7vw, 3rem);
  color: var(--forest);
  margin: 0.2rem 0 0;
}

.result-text {
  margin-top: 0.3rem;
  font-size: 1.07rem;
  font-weight: 700;
}

[hidden] {
  display: none !important;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pop-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 560px) {
  .quiz-shell {
    padding: 1rem;
    border-radius: 20px;
  }

  .answer-btn {
    font-size: 0.95rem;
    padding: 0.85rem;
  }
}