.quiz-setup { display: flex; flex-direction: column; gap: 20px; max-width: 620px; }
.quiz-field label {
  display: block; font-size: 14px; color: var(--text-mute); margin-bottom: 8px;
}
.quiz-select {
  width: 100%; background: var(--card-bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px; padding: 11px 14px;
  font-family: 'Klee One', cursive; font-size: 15px;
}
.quiz-select:focus { outline: none; border-color: var(--accent-dk); }
.quiz-lens { display: flex; gap: 10px; flex-wrap: wrap; }
.quiz-lens .btn.active {
  background: var(--accent-dk); border-color: var(--accent-dk);
  color: var(--bg); font-weight: 600;
}

.quiz-progress {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 14px; color: var(--text-mute); margin-bottom: 12px;
}
.quiz-bar {
  height: 6px; border-radius: 999px; background: var(--soft-1);
  overflow: hidden; margin-bottom: 24px;
}
.quiz-bar > span { display: block; height: 100%; background: var(--accent-dk); transition: width 0.3s var(--ease); }

.quiz-topic-tag {
  font-size: 12px; color: var(--text-mute); text-transform: uppercase;
  letter-spacing: 0.05em; display: block; margin-bottom: 10px;
}
.quiz-q {
  font-family: 'Patrick Hand SC', cursive;
  font-size: clamp(22px, 2.6vw, 30px); line-height: 1.25;
  color: var(--text); margin-bottom: 22px;
}

.quiz-options { display: flex; flex-direction: column; gap: 12px; }
.quiz-option {
  text-align: left; width: 100%; background: var(--card-bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 12px; padding: 15px 18px;
  font-family: 'Klee One', cursive; font-size: 16px; line-height: 1.45;
  cursor: pointer; display: flex; gap: 13px; align-items: flex-start;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.quiz-option:hover:not(:disabled) { border-color: var(--accent-dk); }
.quiz-option .key {
  flex-shrink: 0; width: 24px; height: 24px; border-radius: 50%;
  border: 1px solid var(--border); display: inline-flex;
  align-items: center; justify-content: center; font-size: 13px; color: var(--text-mute);
}
.quiz-option.correct { border-color: #50b478; background: rgba(80, 180, 120, 0.12); }
.quiz-option.correct .key { border-color: #50b478; color: #50b478; }
.quiz-option.wrong { border-color: #e86060; background: rgba(220, 80, 80, 0.10); }
.quiz-option.wrong .key { border-color: #e86060; color: #e86060; }
.quiz-option:disabled { cursor: default; }

.quiz-why {
  margin-top: 18px; padding: 14px 18px; border-radius: 12px;
  background: var(--soft-1); border-left: 3px solid var(--accent-dk);
  font-size: 14px; color: var(--text-mute); line-height: 1.55;
}
.quiz-why strong { color: var(--text); }
.quiz-actions { margin-top: 22px; display: flex; gap: 10px; align-items: center; }

.quiz-results { text-align: center; padding: 26px 0; }
.quiz-score { font-family: 'Patrick Hand SC', cursive; font-size: 64px; color: var(--accent); line-height: 1; }
.quiz-score-lbl { font-size: 15px; color: var(--text-mute); margin: 10px 0 28px; }
.quiz-loading { color: var(--text-mute); }

@media (max-width: 700px) {
  .quiz-q { font-size: 22px; }
}

.qb-tabs { display: flex; gap: 6px; margin-bottom: 22px; border-bottom: 1px solid var(--border); }
.qb-tab {
  appearance: none; border: none; background: transparent; color: var(--text-mute);
  font-family: inherit; font-size: 15px; padding: 10px 16px; cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -1px; transition: color 0.15s;
}
.qb-tab:hover { color: var(--text); }
.qb-tab.active { color: var(--accent); border-bottom-color: var(--accent-dk); }
.qb-panel[hidden] { display: none; }

.qb-controls { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 18px; }
.qb-controls .quiz-select { width: auto; min-width: 220px; }
#qb-search { min-width: 240px; flex: 1; }
.qb-count { font-size: 13px; color: var(--text-mute); margin-left: auto; white-space: nowrap; }

.qb-list { display: flex; flex-direction: column; gap: 12px; }
.qb-item { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; }
.qb-item-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 7px; }
.qb-tag { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--accent-dk); }
.qb-id { font-size: 11px; color: var(--text-mute); opacity: 0.55; }
.qb-q { font-size: 16px; color: var(--text); line-height: 1.4; margin-bottom: 9px; }
.qb-opts { list-style: none; display: flex; flex-direction: column; gap: 4px; margin: 0 0 8px; padding: 0; }
.qb-opts li { font-size: 14px; color: var(--text); padding-left: 16px; position: relative; line-height: 1.45; }
.qb-opts li::before { content: '\2013'; position: absolute; left: 0; color: var(--text-mute); }
.qb-opts li.ok { color: var(--text); padding-left: 0; }
.qb-opts li.ok::before { content: ''; }
.qb-opts li.ok span {
  display: inline-block; font-size: 10px; text-transform: uppercase; letter-spacing: 0.05em;
  color: #50b478; border: 1px solid rgba(80, 180, 120, 0.4); border-radius: 999px;
  padding: 1px 8px; margin-right: 9px;
}
.qb-why { font-size: 13px; color: var(--text); opacity: 0.78; line-height: 1.5; border-left: 2px solid var(--accent-dk); padding-left: 11px; }
.qb-tag { color: var(--accent-dk); }
.qb-count { color: var(--text-mute); }

.qb-pager { display: flex; gap: 14px; align-items: center; justify-content: center; margin-top: 24px; }
.qb-pageno { font-size: 14px; color: var(--text-mute); }
.btn:disabled { opacity: 0.4; cursor: default; }

.pr-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; max-width: 780px; margin-bottom: 22px; }
.pr-radio { display: inline-flex; align-items: center; gap: 7px; color: var(--text); font-size: 15px; cursor: pointer; }
.pr-radio input { accent-color: var(--accent-dk); }

.qb-download { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 18px; padding: 12px 16px; background: var(--soft-1); border: 1px solid var(--border); border-radius: 12px; }
.qb-dl-label { font-size: 14px; color: var(--text); }
.qb-dl-label b { color: var(--accent); }
.qb-download .btn { font-size: 13px; padding: 6px 14px; }
.qb-dl-hint { font-size: 12px; color: var(--text-mute); margin-left: auto; }