/* ============================================================
   QUIZ SETUP
   ============================================================ */
.quiz-setup-wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

.setup-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 40px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.04);
}

.setup-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .setup-grid {
    grid-template-columns: 1fr 1fr;
  }
  .setup-full { grid-column: span 2; }
}

.centered-group {
   display: flex;
   flex-direction: column;
   align-items: center;
   text-align: center;
}

.setup-section { margin-bottom: 24px; position: relative; text-align: left; }
.setup-divider { height: 1px; background: var(--border); margin: 30px 0; }
.setup-label { display: block; font-family: 'Be Vietnam Pro', sans-serif; font-weight: 800; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-secondary); margin-bottom: 10px; opacity: 0.8; }

.form-select {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--border); border-radius: 14px;
  background: var(--surface); color: var(--text-primary); font-family: 'Inter', sans-serif;
  font-size: 14px; font-weight: 600; outline: none; cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px;
  transition: all 0.2s;
}
.form-select:hover { border-color: var(--indigo); }

.chips-row { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-start; }
.chip {
  padding: 8px 18px; border-radius: 100px; border: 1.5px solid var(--border);
  background: var(--surface); color: var(--text-primary); font-size: 13px; font-weight: 700;
  cursor: pointer; transition: all 0.15s;
}
.chip.active { background: var(--indigo-dim); color: var(--indigo); border-color: var(--indigo); }

/* Circle indicators for difficulty */
.diff-option { display: flex; align-items: center; gap: 10px; }
.diff-dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-basic { background: var(--teal); }
.dot-inter { background: var(--amber); }
.dot-adv   { background: var(--red); }

/* ============================================================
   QUIZ ACTIVE & QUESTIONS
   ============================================================ */
.quiz-active-wrap { max-width: 900px; margin: 0 auto; padding: 32px 20px 40px; }
.timer { font-family: 'DM Mono', monospace; font-size: 18px; font-weight: 500; color: var(--text-secondary); text-align: right; }
.question-card { background: var(--surface); border: 1px solid var(--border); border-radius: 24px; padding: 36px; box-shadow: 0 4px 24px rgba(0,0,0,0.05); }
.question-text { font-size: 1.1em; font-weight: 600; line-height: 1.6; color: var(--text-primary); margin-bottom: 24px; }

.option-item {
  display: flex; align-items: flex-start; gap: 14px; padding: 16px 18px;
  border: 2px solid var(--border); border-radius: 14px; cursor: pointer;
  background: var(--surface); margin-bottom: 10px; transition: all 0.15s;
  font-size: 14px; font-weight: 500; color: var(--text-primary);
}
.option-item.correct  { border-color: var(--green);  background: rgba(16, 185, 129, 0.04); color: var(--green); }
.option-item.incorrect{ border-color: var(--red);    background: rgba(239, 68, 68, 0.04);  color: var(--red); }
[data-theme="dark"] .option-item.correct { background: rgba(16, 185, 129, 0.1); color: #4ade80; }
[data-theme="dark"] .option-item.incorrect { background: rgba(239, 68, 68, 0.1); color: #f87171; }
.option-item.selected { border-color: var(--indigo); background: var(--indigo-dim); }
.option-item.locked { cursor: default; }

.option-item.correct.selected { background: rgba(16, 185, 129, 0.2); }
.option-item.incorrect.selected { background: rgba(239, 68, 68, 0.2); }

.review-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  margin-bottom: 20px;
}
.review-item-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.review-tag { font-size: 10px; font-weight: 800; text-transform: uppercase; padding: 3px 10px; border-radius: 6px; }
.review-opt { padding: 12px 14px; border-radius: 10px; margin-bottom: 6px; border: 1.5px solid var(--border); font-size: 14px; font-weight: 500; }
.review-opt.correct { border-color: var(--green); background: #f0fdf4; color: #166534; }
.review-opt.incorrect { border-color: var(--red); background: #fef2f2; color: #991b1b; }

.wrong-answer-card {
  padding: 14px 18px;
  background: rgba(239, 68, 68, 0.05);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 12px;
  cursor: pointer;
  display: flex;
  gap: 12px;
  align-items: center;
  transition: all 0.2s;
  color: var(--text-primary);
  font-size: 13.5px;
  font-weight: 500;
  line-height: 1.4;
}
.wrong-answer-card:hover { border-color: var(--red); background: #fef2f2; }

.explanation-box { margin-top: 20px; padding: 20px 22px; background: rgba(16,185,129,0.06); border-left: 4px solid var(--green); border-radius: 12px; }
.justification-box { margin-top: 14px; padding: 16px; background: #f0fdfa; border-radius: 12px; border: 1px solid #ccfbf1; }

/* ============================================================
   QUIZ RESULT - WRONG LIST
   ============================================================ */
.wrong-item {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 16px 20px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
}
.wrong-item:hover { border-color: var(--red); background: #fffafb; transform: translateX(4px); }
.wrong-icon { font-size: 18px; color: var(--red); flex-shrink: 0; }
.wrong-text { font-size: 14px; font-weight: 600; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; line-height: 1.4; }

/* Review section header */
.review-header {
  margin-top: 40px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Be Vietnam Pro', sans-serif;
  color: var(--red);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.1em;
}