.quiz-page{min-height:100vh;display:flex;flex-direction:column;padding-bottom:0!important}.quiz-top-bar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:10px;padding:12px 14px 8px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);background:linear-gradient(180deg,var(--gc-background) 0,var(--gc-background) 85%,transparent 100%)}.quiz-top-bar .icon-btn{background:hsla(0,0%,100%,.82);box-shadow:var(--gc-shadow-sm);color:var(--gc-foreground)}.quiz-top-center{flex:1;gap:8px;min-width:0}.quiz-chip,.quiz-top-center{display:flex;align-items:center;justify-content:center}.quiz-chip{width:30px;height:30px;border-radius:12px;color:#fff;flex-shrink:0;font-size:16px}.quiz-info{line-height:1.25}.quiz-title{font-size:14px;font-weight:700}.quiz-sub{font-size:11px;color:var(--gc-muted-foreground);font-weight:500}.quiz-progress-bar{padding:0 14px 10px}.quiz-progress-track{height:8px;background:var(--gc-muted);border-radius:4px;overflow:hidden}.quiz-progress-fill{height:100%;border-radius:4px;background:linear-gradient(90deg,var(--gc-primary),var(--gc-logic));transition:width .4s ease}.quiz-progress-text{display:flex;justify-content:space-between;margin-top:6px;font-size:11px;color:var(--gc-muted-foreground);font-weight:500}.quiz-play-area{flex:1;display:flex;flex-direction:column;gap:12px;padding:6px 14px 100px}.quiz-question-card{background:var(--gc-card);border-radius:12px;padding:20px;border:2px solid var(--gc-border);box-shadow:var(--gc-shadow-sm)}.quiz-q-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.quiz-q-label{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:12px;font-size:11px;font-weight:600}.quiz-voice-btn{width:32px;height:32px;border-radius:50%;border:none;background:linear-gradient(135deg,#22c55e,#16a34a);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .15s ease}.quiz-voice-btn:active{transform:scale(.9)}.quiz-q-body{text-align:center;padding:10px 0 18px}.quiz-q-text{font-size:20px;font-weight:700;line-height:1.6;color:var(--gc-foreground)}.quiz-q-text .highlight{color:var(--gc-primary);font-size:24px}.quiz-answers{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.quiz-ans-btn{padding:14px 10px;border-radius:12px;border:2px solid var(--gc-border);background:var(--gc-card);font-size:14px;font-weight:600;color:var(--gc-foreground);cursor:pointer;transition:all .2s ease;text-align:center}.quiz-ans-btn:active{transform:scale(.96)}.quiz-ans-btn.selected{border-color:var(--gc-primary);background:rgba(79,140,255,.08);color:var(--gc-primary)}.quiz-ans-btn.correct{border-color:var(--gc-success);background:rgba(34,197,94,.1);color:var(--gc-success)}.quiz-ans-btn.wrong{border-color:var(--gc-danger);background:rgba(239,68,68,.1);color:var(--gc-danger)}.quiz-bottom-bar{position:fixed;bottom:0;left:0;right:0;padding:12px 14px max(12px,env(safe-area-inset-bottom));background:linear-gradient(180deg,transparent 0,var(--gc-background) 20%);display:flex;gap:10px;z-index:20}.quiz-submit-btn{flex:1;padding:14px 20px;border-radius:12px;border:none;background:linear-gradient(135deg,var(--gc-primary),var(--gc-logic));color:#fff;font-size:15px;font-weight:700;cursor:pointer;transition:all .2s ease;box-shadow:var(--gc-shadow-md);display:flex;align-items:center;justify-content:center;gap:6px}.quiz-submit-btn:active{transform:scale(.97)}.quiz-submit-btn:disabled{opacity:.5;cursor:not-allowed}.quiz-change-btn{padding:14px 16px;border-radius:12px;border:2px solid var(--gc-border);background:var(--gc-card);color:var(--gc-foreground);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:6px}.quiz-change-btn:active{transform:scale(.96)}.words-card-question{font-size:28px;font-weight:800;color:var(--gc-primary);letter-spacing:2px;margin-bottom:8px}.words-card-meaning{font-size:13px;color:var(--gc-muted-foreground)}.letters-word-display{display:flex;justify-content:center;gap:8px;margin-bottom:16px;flex-wrap:wrap}.letters-tile{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,#ffd54f,#ffc107);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;color:#fff;box-shadow:0 4px 10px rgba(255,193,7,.35)}.letters-tile.empty{background:var(--gc-muted);color:var(--gc-muted-foreground);box-shadow:none}.letters-find-hint{font-size:13px;color:var(--gc-muted-foreground);margin-bottom:6px}.letters-find-letter{font-size:32px;font-weight:800;color:var(--gc-danger)}.character-display{font-size:64px;font-weight:800;color:var(--gc-primary);margin-bottom:12px;line-height:1}.character-strokes{font-size:12px;color:var(--gc-muted-foreground);margin-bottom:10px}.character-parts-hint{font-size:13px;color:var(--gc-muted-foreground);margin-top:8px}.poetry-card{background:linear-gradient(135deg,#fdf2f8,#fae8ff);border-color:rgba(233,30,99,.2)}.poetry-title{font-size:16px;font-weight:700;color:#e91e63;margin-bottom:4px}.poetry-author{font-size:12px;color:var(--gc-muted-foreground);margin-bottom:16px}.poetry-lines{font-size:16px;line-height:2.2;color:var(--gc-foreground);font-weight:500}.poetry-lines .blank{display:inline-block;min-width:80px;border-bottom:2px solid #e91e63;color:#e91e63;font-weight:700;margin:0 4px}.idiom-card{background:linear-gradient(135deg,#fff8e1,#ffecb3);border-color:rgba(255,152,0,.25)}.idiom-display{font-size:26px;font-weight:800;color:#ff6f00;letter-spacing:4px;margin-bottom:12px;line-height:1.5}.idiom-display .blank{color:#e65100;border-bottom:3px solid #ff6f00;padding:0 4px}.idiom-meaning{font-size:12px;color:var(--gc-muted-foreground);background:hsla(0,0%,100%,.6);padding:8px 12px;border-radius:12px;margin-top:12px;text-align:left}.idiom-meaning-label{font-weight:700;color:#ff6f00;margin-right:4px}.connect-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}.connect-col{display:flex;flex-direction:column;gap:8px}.connect-item{padding:12px 10px;border-radius:12px;border:2px solid var(--gc-border);background:var(--gc-card);font-size:13px;font-weight:600;text-align:center;cursor:pointer;transition:all .2s ease}.connect-item:active{transform:scale(.96)}.connect-item.selected{border-color:var(--gc-primary);background:rgba(79,140,255,.1);color:var(--gc-primary)}.connect-item.matched{border-color:var(--gc-success);background:rgba(34,197,94,.1);color:var(--gc-success);opacity:.7;pointer-events:none}