/* Question card, answer options, and sentence choice layout. Extracted from styles.fixed.css without behavior changes. */

/* =========================
   Question card and answer options
   ========================= */

.question-card {
  position: relative;
  min-height: 190px;
  border-radius: 32px !important;
  background:
    radial-gradient(circle at 85% 30%, rgba(124,92,255,0.08), transparent 18%),
    rgba(255,255,255,0.82) !important;
  border: 1px solid var(--line);
  box-shadow: 0 16px 34px rgba(24,35,63,0.08) !important;
  padding: 24px;
  margin: 16px 0;
  transition: all 0.2s ease;
}

.question-card.correct-highlight {
  background:
    radial-gradient(circle at 85% 30%, rgba(34,197,94,0.08), transparent 18%),
    rgba(255,255,255,0.88) !important;
  border: 1px solid rgba(34,197,94,0.28);
  box-shadow: 0 16px 34px rgba(34,197,94,0.10) !important;
}

.question-text {
  font-size: clamp(1.08rem, 1.15vw, 1.28rem) !important;
  line-height: 1.5 !important;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: #18233f !important;
  margin-bottom: 18px;
  border-left: 3px solid rgba(255,184,77,0.62) !important;
  padding-left: 14px;
}

.sentence-source-cue {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: -8px 0 16px 20px;
  color: #5f6d8c;
  font-size: 0.86rem;
  font-weight: 700;
}

.sentence-source-btn {
  flex: 0 0 auto;
  min-height: 34px;
  padding: 7px 12px !important;
  border-radius: 999px !important;
  border: 1px solid rgba(79,107,255,0.24) !important;
  background: rgba(79,107,255,0.08) !important;
  color: #24345f !important;
  font-size: 0.82rem !important;
  font-weight: 800 !important;
  cursor: pointer;
}

.sentence-source-btn:hover {
  background: rgba(79,107,255,0.14) !important;
  border-color: rgba(79,107,255,0.36) !important;
}

.options {
  display: flex;
  flex-direction: column;
  gap: 10px !important;
  margin: 20px 0;
}

/* =========================
   12. ANSWER OPTIONS
   ========================= */

.option {
  min-height: 42px;
  display: flex;
  align-items: center;
  padding: 10px 16px !important;

  background: rgba(255,255,255,0.82) !important;
  border: 1px solid var(--line) !important;
  border-radius: 18px !important;

  color: #18233f !important;
  font-size: 0.96rem !important;
  line-height: 1.4;
  font-weight: 600;
  cursor: pointer;

  box-shadow: none !important;
  transition: all 0.2s ease;
}

.option:hover {
  background: rgba(79,107,255,0.06) !important;
  border-color: rgba(79,107,255,0.28) !important;
  color: #18233f !important;
  transform: translateX(2px) !important;
  box-shadow: 0 8px 18px rgba(79,107,255,0.08) !important;
}

.option.correct-answer {
  background: rgba(34,197,94,0.12) !important;
  border-color: rgba(34,197,94,0.38) !important;
  color: #14532d !important;
  font-weight: 700;
}

.option.wrong-answer {
  background: rgba(239,68,68,0.12) !important;
  border-color: rgba(239,68,68,0.34) !important;
  color: #7f1d1d !important;
  text-decoration: line-through;
}

.option.pending-confirm {
  background: rgba(255, 247, 237, 0.96) !important;
  border-color: rgba(245, 158, 11, 0.42) !important;
  color: #7c2d12 !important;
  box-shadow: 0 10px 24px rgba(245, 158, 11, 0.12) !important;
}

.answer-confirm-hint {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: -4px 0 12px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 247, 237, 0.96);
  border: 1px solid rgba(245, 158, 11, 0.28);
  color: #7c2d12;
  font-size: 0.82rem;
  font-weight: 800;
  box-shadow: 0 10px 22px rgba(245, 158, 11, 0.10);
}

.answer-confirm-icon {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: rgba(245, 158, 11, 0.18);
  color: #9a3412;
  font-weight: 900;
}

.sentence-option {
  display: block;
}

.sentence-option-diff {
  font-weight: 900;
  color: #111827;
  background: rgba(255, 214, 102, 0.32);
  border-radius: 6px;
  padding: 0 3px;
}

.correct-answer-highlight {
  background: #ffeb3b;
  color: #000;
  font-weight: bold;
  padding: 2px 6px;
  border-radius: 12px;
  margin-left: 8px;
  font-size: 0.8rem;
}

@media (max-width: 800px) {
  .question-text {
    font-size: 1rem !important;
  }
  .sentence-source-cue {
    align-items: flex-start;
    margin: -4px 0 12px 0;
    font-size: 0.78rem;
  }
  .sentence-source-btn {
    min-height: 32px;
    padding: 6px 10px !important;
    font-size: 0.76rem !important;
  }
  .question-card {
    padding: 12px;
    margin: 8px 0;
  }
  .option {
    padding: 8px 12px;
    font-size: 0.85rem;
  }
}

/* Desktop layout stabilizer for the left exercise panel. */
@media (min-width: 801px) {
  #mainContent > .stage-header,
  #mainContent > .question-card {
    width: min(100%, 520px);
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
  }

  #mainContent > .question-card {
    min-height: 350px;
    display: flex;
    flex-direction: column;
  }

  #mainContent > .question-card .question-text {
    flex: 0 0 auto;
  }

  #mainContent > .question-card .options {
    flex: 1 1 auto;
    min-height: 150px;
  }

  #mainContent > .question-card .exercise-nav-row {
    margin-top: auto;
    width: 100%;
    box-sizing: border-box;
    justify-content: center;
  }

  #mainContent > .question-card .option,
  #mainContent > .question-card .answer-confirm-hint,
  #mainContent > .question-card .wf-feedback,
  #mainContent > .question-card .gap-feedback {
    max-width: 100%;
    box-sizing: border-box;
    overflow-wrap: anywhere;
  }
}