:root {
  --bg: #0e1525;
  --bg-card: #151d32;
  --accent: #3d8bfd;
  --accent-dim: #2563c9;
  --ok: #22c55e;
  --bad: #f87171;
  --text: #e8edf7;
  --muted: #94a3b8;
  --border: #2a3550;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Sora", system-ui, sans-serif;
  background: radial-gradient(ellipse 120% 80% at 50% -20%, #1a2a4a 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.5;
}

.page {
  max-width: 52rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

.hero {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.hero__crest {
  font-size: 2.5rem;
  line-height: 1;
  filter: grayscale(0.2);
}

.hero h1 {
  font-family: "Source Serif 4", Georgia, serif;
  font-weight: 600;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.hero__sub {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.toolbar__hint {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.quiz {
  margin: 0;
}

.questions {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: q;
}

.question-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem 1.25rem;
  margin-bottom: 1rem;
}

.question-block__title {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 1rem;
  padding-left: 0.25rem;
}

.question-block__title::before {
  counter-increment: q;
  content: counter(q) ". ";
  color: var(--accent);
}

.answers {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.answer {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.55rem 0.65rem;
  border-radius: 10px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s;
}

.answer:hover {
  background: rgba(61, 139, 253, 0.08);
}

.answer input {
  margin-top: 0.2rem;
  accent-color: var(--accent);
}

.answer__label {
  flex: 1;
  font-size: 0.95rem;
}

.answer__key {
  flex-shrink: 0;
  width: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  font-size: 0.9rem;
}

.actions {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.65rem 1.35rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.15s, background 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  color: #fff;
  box-shadow: 0 4px 20px rgba(61, 139, 253, 0.35);
}

.btn--primary:hover {
  filter: brightness(1.06);
}

.btn--secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--muted);
}

.results {
  margin-top: 2rem;
  padding: 1.25rem 1.35rem;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.results__summary {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 1rem;
}

.results__summary strong {
  color: var(--accent);
}

.result-row {
  padding: 0.75rem 0;
  border-top: 1px solid var(--border);
  font-size: 0.92rem;
}

.result-row:first-of-type {
  border-top: none;
  padding-top: 0;
}

.result-row--ok {
  border-left: 3px solid var(--ok);
  padding-left: 0.75rem;
  margin-left: -0.25rem;
}

.result-row--bad {
  border-left: 3px solid var(--bad);
  padding-left: 0.75rem;
  margin-left: -0.25rem;
}

.result-row__q {
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.result-row__detail {
  color: var(--muted);
  margin: 0.2rem 0 0;
}

.result-row__detail em {
  color: var(--ok);
  font-style: normal;
  font-weight: 600;
}

.footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--muted);
}

@media (max-width: 480px) {
  .hero {
    flex-direction: column;
  }
}