.quiz-home-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 42px;
  padding: 0.55rem 1rem;
  color: white;
  background: linear-gradient(135deg, #4a9eff, #ff6b35);
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 5px 18px rgba(74, 158, 255, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.quiz-home-link:hover {
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(74, 158, 255, 0.42);
  text-decoration: none;
}

.quiz-home-link:focus-visible {
  outline: 3px solid rgba(74, 158, 255, 0.45);
  outline-offset: 3px;
}

/* The shared site layout hides its navbar on desktop in favour of a sidebar.
   The standalone quiz has no sidebar, so keep its navbar visible at every width. */
@media (min-width: 1024px) {
  body.quiz-page {
    display: block;
  }

  body.quiz-page .navbar {
    display: flex;
  }
}

.quiz-shell {
  width: min(860px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 3.5rem 0 2rem;
}

.quiz-hero {
  max-width: 720px;
  margin: 0 auto 2rem;
  text-align: center;
}

.quiz-hero h1 {
  margin: 0.2rem 0 0.75rem;
  font-size: clamp(2.25rem, 7vw, 4.25rem);
  line-height: 1.05;
  background: linear-gradient(135deg, #78baff, #ff8a5c);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.quiz-hero > p:last-child,
.quiz-result > p:not(.quiz-kicker, .score-line) {
  color: var(--text-muted);
  font-size: 1.08rem;
}

.quiz-kicker {
  color: #ff8a5c;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.quiz-panel {
  padding: clamp(1.25rem, 4vw, 2.25rem);
  background: linear-gradient(145deg, rgba(26, 31, 53, 0.98), rgba(15, 20, 38, 0.98));
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.quiz-panel[hidden] {
  display: none;
}

.quiz-panel h2 {
  margin-bottom: 1.25rem;
  color: var(--text);
}

.quiz-length-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.quiz-length-options label {
  cursor: pointer;
}

.quiz-length-options input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.quiz-length-options span {
  display: block;
  padding: 1rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-muted);
  text-align: center;
  font-weight: 700;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.quiz-length-options input:checked + span {
  color: white;
  background: rgba(74, 158, 255, 0.16);
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.quiz-length-options input:focus-visible + span {
  outline: 3px solid rgba(74, 158, 255, 0.45);
  outline-offset: 3px;
}

.quiz-primary,
.quiz-secondary,
.quiz-buy {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 0.8rem 1.5rem;
  border-radius: 8px;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
  text-decoration: none;
}

.quiz-primary[hidden],
.quiz-feedback[hidden] {
  display: none;
}

.quiz-primary,
.quiz-buy {
  color: white;
  background: linear-gradient(135deg, #4a9eff, #ff6b35);
  border: 0;
  box-shadow: 0 8px 24px rgba(74, 158, 255, 0.25);
}

.quiz-primary:hover,
.quiz-buy:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.quiz-progress-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

#quiz-progress {
  color: var(--text-muted);
  white-space: nowrap;
}

.quiz-question {
  margin: 0 0 1.75rem;
  padding: 0 0 1.75rem;
  border: 0;
  border-bottom: 1px solid var(--border);
}

.quiz-question legend {
  width: 100%;
  margin-bottom: 0.85rem;
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 700;
}

.question-number {
  color: var(--accent);
}

.answer-option {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: 0.55rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.answer-option:hover {
  color: var(--text);
  border-color: #46506e;
  background: rgba(255, 255, 255, 0.025);
}

.answer-option:has(input:checked) {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(74, 158, 255, 0.12);
}

.answer-option input {
  margin-top: 0.28rem;
  accent-color: var(--accent);
}

.quiz-message {
  min-height: 1.5rem;
  margin: -0.5rem 0 0.75rem;
  color: #ff9f7a;
  font-weight: 650;
}

.quiz-feedback {
  display: grid;
  gap: 0.35rem;
  margin: -0.25rem 0 1.25rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.025);
}

.quiz-feedback strong {
  font-size: 1.1rem;
}

.quiz-feedback.is-correct {
  border-color: #42b883;
  background: rgba(66, 184, 131, 0.1);
}

.quiz-feedback.is-correct strong {
  color: #71d8aa;
}

.quiz-feedback.is-incorrect {
  border-color: #ff8a5c;
  background: rgba(255, 107, 53, 0.09);
}

.quiz-feedback.is-incorrect strong {
  color: #ffad8d;
}

.quiz-result {
  text-align: center;
}

.quiz-result h2 {
  margin-bottom: 0.25rem;
}

.score-line {
  margin: 0.4rem 0 1rem;
  color: white;
  font-size: clamp(2rem, 8vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
}

.quiz-buy {
  margin: 1.5rem 0.5rem 0 0;
}

.quiz-secondary {
  margin-top: 1.5rem;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--border);
}

.quiz-secondary:hover {
  border-color: var(--accent);
}

.quiz-footer {
  padding: 1.5rem;
  color: var(--text-muted);
  text-align: center;
  font-size: 0.9rem;
}

@media (max-width: 620px) {
  .quiz-shell {
    padding-top: 2.25rem;
  }

  .quiz-length-options {
    grid-template-columns: 1fr;
  }

  .quiz-home-link {
    min-height: 40px;
    padding: 0.45rem 0.7rem;
    font-size: 0.85rem;
  }

  .quiz-progress-row {
    align-items: flex-start;
  }

  .quiz-buy,
  .quiz-secondary {
    width: 100%;
    margin-right: 0;
  }
}