.nav-links a.is-current {
  color: var(--spark);
  opacity: 1;
}

.quiz { margin: 0 auto; }

.quiz button { cursor: pointer; font: inherit; color: inherit; }
.quiz select {
  width: 100%;
  background: rgba(7, 17, 31, 0.65);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.65rem 0.75rem;
  margin-bottom: 0.8rem;
}

.quiz .q-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.1rem;
}
.quiz .q-kicker strong {
  display: block;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass);
  font-size: 0.78rem;
}
.quiz .q-kicker span { color: var(--cream); opacity: 0.78; font-size: 0.92rem; }

.quiz .q-intro h1,
.quiz .score-copy h1 {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 0.95;
  margin: 0 0 0.45rem;
  text-shadow: 0 1px 14px rgba(10, 22, 38, 0.5);
}
.quiz .q-intro h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
.quiz .q-lede { margin: 0 0 1rem; max-width: 68ch; opacity: 0.92; }
.quiz .note {
  border: 1px solid var(--line);
  background: rgba(14, 28, 46, 0.55);
  border-radius: 16px;
  padding: 0.8rem 1rem;
  opacity: 0.88;
  font-size: 0.92rem;
  margin: 0 0 1.2rem;
}

.quiz .grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1rem;
}
.quiz .panel { padding: 1.1rem 1.15rem; }
.quiz .panel h2 { margin: 0 0 0.25rem; font-size: 1.25rem; }
.quiz .hint { margin: 0 0 0.9rem; opacity: 0.75; font-size: 0.92rem; }
.quiz label { display: block; font-size: 0.8rem; color: var(--brass-2); margin-bottom: 0.3rem; }

.quiz .exam-list, .quiz .stack { display: grid; gap: 0.65rem; }
.quiz .exam-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  width: 100%;
  text-align: left;
  background: rgba(7, 17, 31, 0.45);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.85rem 0.95rem;
}
.quiz .exam-card:hover, .quiz .option:hover { border-color: var(--spark); }
.quiz .exam-card b { display: block; font-family: var(--mono); letter-spacing: 0.08em; font-size: 1.05rem; }
.quiz .exam-card small { opacity: 0.72; }
.quiz .meta-pill {
  color: #1a1008;
  background: linear-gradient(135deg, #c46a3a, #d4b36a);
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
}

.quiz .q-btn, .quiz .primary, .quiz .ghost, .quiz .quiet {
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  padding: 0.55rem 0.95rem;
}
.quiz .primary {
  background: linear-gradient(135deg, #c46a3a, #d4b36a);
  color: #1a1008;
  border: 0;
  font-weight: 700;
}
.quiz .quiet { color: var(--brass-2); }
.quiz .ghost:hover, .quiz .quiet:hover { border-color: var(--spark); color: var(--spark); }
.quiz .row-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.quiz .progress-wrap { margin-bottom: 0.9rem; }
.quiz .progress-top {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--spark);
  margin-bottom: 0.4rem;
}
.quiz .bar {
  height: 8px;
  background: rgba(7, 17, 31, 0.7);
  border-radius: 99px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.quiz .bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--copper), var(--brass));
}

.quiz .chips { display: flex; gap: 0.35rem; flex-wrap: wrap; margin-bottom: 0.8rem; }
.quiz .chip {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.15rem 0.5rem;
  opacity: 0.8;
}
.quiz .chip.on {
  color: #1a1008;
  background: var(--brass);
  border-color: transparent;
  opacity: 1;
}

.quiz .question {
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  line-height: 1.25;
  margin: 0 0 1rem;
  font-weight: 600;
}
.quiz .q-image {
  display: block;
  background: #fff;
  border-radius: 14px;
  padding: 0.6rem;
  margin: 0 0 1rem;
  max-width: min(100%, 560px);
  height: auto;
}
.quiz .options { display: grid; gap: 0.6rem; }
.quiz .option {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  width: 100%;
  text-align: left;
  background: rgba(7, 17, 31, 0.45);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.8rem 0.9rem;
}
.quiz .option.selected {
  border-color: var(--brass);
  background: rgba(212, 179, 106, 0.14);
}
.quiz .option .key {
  flex: 0 0 auto;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(7, 17, 31, 0.8);
  color: var(--spark);
  font-family: var(--mono);
  font-weight: 600;
}
.quiz .q-nav {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  margin-top: 1.1rem;
  flex-wrap: wrap;
}
.quiz .map { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 1rem; }
.quiz .map button {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(7, 17, 31, 0.55);
  color: var(--cream);
  opacity: 0.7;
}
.quiz .map button.answered { opacity: 1; border-color: rgba(212, 179, 106, 0.7); }
.quiz .map button.current { outline: 2px solid var(--spark); opacity: 1; }
.quiz button:disabled { opacity: 0.35; cursor: default; }

.quiz .score-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.2rem;
  align-items: center;
  margin-bottom: 1rem;
}
.quiz .ring {
  width: 148px;
  height: 148px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: conic-gradient(var(--tone) calc(var(--p) * 1%), rgba(36, 52, 68, 0.9) 0);
}
.quiz .hole {
  width: 112px;
  height: 112px;
  border-radius: 50%;
  background: var(--navy);
  display: grid;
  place-items: center;
  text-align: center;
}
.quiz .hole strong { font-family: var(--mono); font-size: 1.6rem; display: block; line-height: 1; color: var(--spark); }
.quiz .hole small { opacity: 0.7; }
.quiz .status {
  display: inline-block;
  margin-bottom: 0.35rem;
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  font-weight: 700;
  font-size: 0.82rem;
}
.quiz .status.pass { background: rgba(125, 255, 166, 0.12); color: var(--ok); }
.quiz .status.fail { background: rgba(255, 138, 122, 0.12); color: var(--bad); }
.quiz .stats { display: flex; gap: 1rem; flex-wrap: wrap; opacity: 0.85; margin: 0.4rem 0 0; }
.quiz .stats b { color: var(--cream); }

.quiz .q-filters { display: flex; gap: 0.45rem; flex-wrap: wrap; margin: 0.4rem 0 0.9rem; }
.quiz .q-filters .ghost.active {
  background: var(--cream);
  color: var(--navy);
  border-color: transparent;
}

.quiz .review {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 0.9rem 1rem;
  margin-bottom: 0.75rem;
  background: var(--paper);
}
.quiz .review.ok { border-color: rgba(125, 255, 166, 0.55); }
.quiz .review.bad { border-color: rgba(255, 138, 122, 0.65); }
.quiz .review header {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  align-items: center;
  margin-bottom: 0.4rem;
  font-size: 0.86rem;
  opacity: 0.8;
}
.quiz .verdict { font-weight: 700; opacity: 1; }
.quiz .review.ok .verdict { color: var(--ok); }
.quiz .review.bad .verdict { color: var(--bad); }
.quiz .review.empty .verdict { color: var(--fair); }
.quiz .review .q { margin: 0 0 0.65rem; font-size: 1.05rem; }
.quiz .opt-line {
  display: flex;
  gap: 0.5rem;
  padding: 0.5rem 0.65rem;
  border-radius: 10px;
  margin-bottom: 0.35rem;
  background: rgba(7, 17, 31, 0.45);
}
.quiz .opt-line.correct { background: rgba(125, 255, 166, 0.12); }
.quiz .opt-line.wrong { background: rgba(255, 138, 122, 0.14); }
.quiz .tag { margin-left: auto; font-size: 0.75rem; opacity: 0.75; white-space: nowrap; }

.quiz .q-dialog-back {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(4, 8, 14, 0.72);
  display: grid;
  place-items: center;
  padding: 1rem;
}
.quiz .q-dialog {
  width: min(440px, 100%);
  max-height: calc(100dvh - 2rem);
  overflow: auto;
  background: rgba(14, 28, 46, 0.96);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.1rem 1.15rem;
  box-shadow: var(--shadow);
}
.quiz .q-dialog h3 { margin: 0 0 0.4rem; }
.quiz .q-dialog p { opacity: 0.8; margin: 0 0 0.9rem; }

@media (max-width: 860px) {
  .quiz .grid, .quiz .score-head { grid-template-columns: 1fr; }
  .quiz .q-top, .quiz .exam-card, .quiz .score-head { flex-wrap: wrap; }
  .quiz .exam-card { align-items: flex-start; }
  .quiz .meta-pill { white-space: normal; }
  .quiz .q-nav { justify-content: stretch; }
  .quiz .q-nav .primary { order: -1; width: 100%; }
  .quiz .q-dialog { width: min(440px, 100%); }
  .quiz .option, .quiz .q-intro h1 { overflow-wrap: anywhere; }
}