/* ── Quiz header & progress ────────────────────────────────── */
.quiz { padding-top: 24px; padding-bottom: 0; }

.quiz-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}
.quiz-counter {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.06em;
  line-height: 1;
  text-transform: uppercase;
}

.progress {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
  margin-bottom: 30px;
}
.progress-seg {
  height: 6px;
  background: var(--border);
  border-radius: 1px;
  transition: background-color 0.3s;
}
.progress-seg.is-done { background: var(--text); }
.progress-seg.is-current { background: var(--red); animation: seg-pulse 1.8s ease-in-out infinite; }
@keyframes seg-pulse { 50% { opacity: 0.55; } }

.question-ref { margin-bottom: 10px; }
.question-text {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(1.4rem, 5.6vw, 2.1rem);
  line-height: 1.22;
  letter-spacing: -0.015em;
  margin-bottom: 26px;
  text-wrap: pretty;
}

/* ── Answer cards ──────────────────────────────────────────── */
.options { display: grid; gap: 12px; }
.option { position: relative; }

.option-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.option-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  min-height: 64px;
  padding: 16px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1.0625rem;
  line-height: 1.42;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: border-color 0.15s, background-color 0.15s, transform 0.15s var(--ease);
}
.option-card:hover { border-color: var(--border-strong); background: #252525; }
.option-card:active { transform: scale(0.99); }

.option-letter {
  flex: none;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-top: -3px;
  padding-top: 3px;
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1;
  color: var(--muted);
  transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}
.option-text { padding-top: 2px; }

.option-input:checked + .option-card {
  border-color: var(--red);
  background: linear-gradient(var(--red-wash), var(--red-wash)), var(--card);
}
.option-input:checked + .option-card .option-letter {
  background: var(--red);
  border-color: var(--red);
  color: var(--text);
}
.option-input:focus-visible + .option-card {
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

/* ── Navigation (sticks to the bottom on small screens) ────── */
.quiz-nav {
  position: sticky;
  bottom: 0;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding: 18px 0 max(18px, env(safe-area-inset-bottom));
  background: linear-gradient(to bottom, rgba(16, 16, 16, 0), var(--bg) 28%);
}
.quiz-continue { flex: 1; max-width: 340px; }

/* ── Processing screen ─────────────────────────────────────── */
.processing {
  min-height: 62vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.processing-title { margin-bottom: 28px; }

.processing-log {
  list-style: none;
  display: grid;
  gap: 14px;
  margin-bottom: 30px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.log-item {
  display: flex;
  gap: 12px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s, transform 0.3s var(--ease), color 0.3s;
}
.log-item::before {
  content: "›";
  flex: none;
  width: 1em;
  color: var(--red);
  animation: blink 0.8s steps(2) infinite;
}
.log-item.is-shown { opacity: 1; transform: none; }
.log-item.is-done { color: var(--muted); }
.log-item.is-done::before { content: "✓"; animation: none; color: var(--text); }
@keyframes blink { 50% { opacity: 0; } }

.processing-bar {
  height: 4px;
  background: var(--border);
  overflow: hidden;
}
.processing-fill {
  width: 0;
  height: 100%;
  background: var(--red);
  transition-property: width;
  transition-timing-function: cubic-bezier(0.4, 0.1, 0.3, 1);
}
.processing-fill.is-running { width: 100%; }

.processing-verdict {
  margin-top: 26px;
  font-family: var(--font-display);
  font-size: 2.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--red);
  opacity: 0;
  transform: scale(1.4) rotate(-4deg);
  transform-origin: left center;
  transition: opacity 0.2s, transform 0.35s cubic-bezier(0.3, 1.6, 0.5, 1);
}
.processing-verdict.is-shown { opacity: 1; transform: rotate(-4deg); }