.practice-hero {
  padding-bottom: 34px;
}

.practice-hero h1 {
  font-size: clamp(2.7rem, 7vw, 6rem);
}

.practice-layout {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 28px;
  align-items: start;
  padding-top: 20px;
}

.practice-sidebar {
  position: sticky;
  top: 140px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.045);
  border-radius: 24px;
  padding: 14px;
  display: grid;
  gap: 8px;
}

.practice-filter {
  padding: 12px 14px;
  border-radius: 16px;
  color: var(--muted);
  font-weight: 850;
  border: 0;
  cursor: pointer;
  background: transparent;
  text-align: left;
}

.practice-filter:hover,
.practice-filter.is-active {
  background: rgba(51, 209, 96, 0.09);
  color: var(--text);
}

.practice-content {
  display: grid;
  gap: 28px;
}

.practice-app,
.practice-summary {
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(255,255,255,0.075), rgba(255,255,255,0.035));
  border-radius: 30px;
  padding: 28px;
}

.practice-top {
  display: grid;
  grid-template-columns: 1fr 180px;
  gap: 24px;
  align-items: start;
  margin-bottom: 24px;
}

.practice-top h2,
.practice-summary h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.practice-top p,
.practice-summary p {
  color: var(--muted);
  line-height: 1.65;
}

.practice-score-card {
  border: 1px solid rgba(51,209,96,0.22);
  background: rgba(51,209,96,0.08);
  border-radius: 22px;
  padding: 18px;
}

.practice-score-card span,
.practice-score-card small {
  display: block;
  color: var(--muted);
}

.practice-score-card strong {
  display: block;
  font-size: 1.8rem;
  color: var(--green);
  margin: 5px 0;
}

.answers-box {
  display: grid;
  gap: 12px;
}

.answer-option {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.045);
  color: var(--text);
  border-radius: 18px;
  padding: 16px;
  display: flex;
  gap: 14px;
  align-items: center;
  text-align: left;
  cursor: pointer;
  font-weight: 800;
}

.answer-option span {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}

.answer-option:hover {
  border-color: rgba(51,209,96,0.35);
  background: rgba(51,209,96,0.06);
}

.answer-option.is-correct {
  border-color: rgba(51,209,96,0.65);
  background: rgba(51,209,96,0.12);
}

.answer-option.is-wrong {
  border-color: rgba(255,98,90,0.65);
  background: rgba(255,98,90,0.10);
}

.answer-option:disabled {
  cursor: default;
}

.feedback-box {
  margin-top: 18px;
  border: 1px solid rgba(214,168,80,0.24);
  background: rgba(214,168,80,0.08);
  border-radius: 22px;
  padding: 20px;
}

.feedback-label {
  color: var(--gold);
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  margin-bottom: 8px;
}

.feedback-box h3 {
  margin-bottom: 8px;
}

.feedback-box p {
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 0;
}

.practice-actions {
  margin-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
}

.practice-actions button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

@media (max-width: 940px) {
  .practice-layout,
  .practice-top {
    grid-template-columns: 1fr;
  }

  .practice-sidebar {
    position: static;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .practice-sidebar {
    grid-template-columns: 1fr;
  }

  .practice-app,
  .practice-summary {
    padding: 20px;
  }

  .practice-actions {
    flex-direction: column;
  }
}