.quiz-setup{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:20px}.setup-row{display:flex;align-items:center;gap:12px}.setup-row label{font-size:14px;font-weight:500;color:var(--text2);min-width:70px}.setup-row select{appearance:none;-webkit-appearance:none;background:var(--surface);border:1.5px solid var(--primary);border-radius:20px;padding:5px 32px 5px 14px;font-size:14px;font-weight:600;color:var(--primary);cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23e05252' stroke-width='1.8' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;transition:border-color .2s,box-shadow .2s}.setup-row select:hover{box-shadow:0 0 0 3px #e0525226}.setup-row select:focus{outline:none;box-shadow:0 0 0 3px #e0525240}.quiz-area-header{display:flex;align-items:center;gap:12px;margin-bottom:16px}.quiz-area-header .quiz-progress{margin-bottom:0;flex:1}.quiz-back-btn{font-size:13px;padding:4px 10px;white-space:nowrap;flex-shrink:0}.quiz-progress{color:var(--text2);font-size:14px;margin-bottom:16px;text-align:center}.quiz-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}.q-question{font-family:var(--font-hanzi);font-size:48px;text-align:center;margin-bottom:28px;color:var(--text)}.q-options{display:grid;grid-template-columns:1fr 1fr;gap:12px}.q-opt{padding:14px 18px;background:var(--surface2);border:2px solid var(--border);border-radius:12px;cursor:pointer;font-size:14px;font-weight:500;color:var(--text);transition:all .2s;text-align:center}.q-opt:hover{border-color:var(--primary);color:var(--primary)}.q-opt.correct{background:var(--success-bg);border-color:var(--thuy-luc);color:var(--thuy-luc-2)}.q-opt.wrong{background:var(--danger-bg);border-color:var(--danger);color:var(--chau-hong-2)}[data-theme=dark] .q-opt.correct{color:var(--thuy-luc)}[data-theme=dark] .q-opt.wrong{color:var(--chau-hong-3)}.q-reveal{margin-top:16px;padding:12px 16px;background:var(--success-bg);border:1px solid var(--thuy-luc);border-radius:12px;display:flex;flex-wrap:wrap;align-items:baseline;justify-content:center;gap:6px 12px;text-align:center}.q-reveal .qr-hanzi{font-family:var(--font-hanzi);font-size:22px;font-weight:700;color:var(--thuy-luc-2)}.q-reveal .qr-pinyin{font-family:var(--font-hanzi);font-size:16px;color:var(--text2)}.q-reveal .qr-meaning{font-size:15px;color:var(--text)}[data-theme=dark] .q-reveal .qr-hanzi{color:var(--thuy-luc)}.q-reveal .qr-example{flex-basis:100%;margin-top:8px;padding-top:10px;border-top:1px dashed var(--border);display:flex;flex-direction:column;gap:2px}.q-reveal .qr-ex-zh{font-family:var(--font-hanzi);font-size:15px;color:var(--text)}.q-reveal .qr-ex-py{font-size:12px;color:var(--accent)}.q-reveal .qr-ex-vi{font-size:12px;color:var(--text2)}.q-next-btn{display:block;width:100%;margin-top:16px;padding:14px 18px;background:var(--primary);color:var(--on-accent);border:none;border-radius:12px;font-size:15px;font-weight:600;cursor:pointer;transition:filter .15s,transform .1s}.q-next-btn:hover{filter:brightness(1.05)}.q-next-btn:active{transform:scale(.98)}.q-next-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.quiz-result{text-align:center;padding:48px 0}.result-circle{width:120px;height:120px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:50%;margin:0 auto 24px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--on-accent);font-size:36px;font-weight:800}.result-circle small{font-size:13px;font-weight:400}.quiz-result h2{font-size:22px;margin-bottom:24px}.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.level-btn{display:flex;flex-direction:column;align-items:center;gap:3px;padding:10px 6px 8px;border:2px solid var(--border);border-radius:10px;background:var(--surface2);color:var(--text2);font-size:13px;font-weight:700;cursor:pointer;transition:border-color .15s,color .15s,background .15s,box-shadow .15s;line-height:1}.lv-dot{width:8px;height:8px;border-radius:50%;background:var(--lc, var(--primary));flex-shrink:0}.lv-count{font-size:10px;font-weight:400;color:var(--text3)}.level-btn:hover{border-color:var(--lc, var(--primary));color:var(--text)}.level-btn.active{border-color:var(--lc, var(--primary));color:var(--lc, var(--primary));background:var(--surface);box-shadow:0 0 0 1px var(--lc, var(--primary))}.level-btn--mix{grid-column:1 / -1;flex-direction:row;justify-content:center;gap:6px;padding:9px}.level-btn--mix .lv-count{color:var(--text3)}.setup-section{display:flex;flex-direction:column;gap:10px}.setup-label{font-size:13px;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:.04em}.scope-tabs{display:flex;gap:6px;flex-wrap:wrap}.scope-tab{padding:6px 14px;border:1.5px solid var(--border);border-radius:20px;background:var(--surface2);color:var(--text2);font-size:13px;font-weight:500;cursor:pointer;transition:all .18s}.scope-tab:hover{border-color:var(--primary);color:var(--primary)}.scope-tab.active{background:var(--primary);border-color:var(--primary);color:var(--on-accent)}.scope-panel{padding-top:4px}.scope-desc{font-size:13px;color:var(--text2)}.adaptive-stats{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}.adapt-stat{padding:4px 10px;border-radius:10px;font-size:12px;font-weight:600}.adapt-due{background:var(--warning-bg);color:var(--hoang-kim-2)}.adapt-reln{background:var(--danger-bg);color:var(--chau-hong-2)}.adapt-new{background:var(--info-bg);color:var(--info)}[data-theme=dark] .adapt-due{color:var(--hoang-kim-3)}[data-theme=dark] .adapt-reln{color:var(--chau-hong-3)}.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.mode-opt{cursor:pointer}.mode-opt input{display:none}.mode-card{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 8px;border:2px solid var(--border);border-radius:10px;background:var(--surface2);transition:all .18s}.mode-opt input:checked+.mode-card{border-color:var(--primary);background:var(--primary-soft)}.mode-opt:hover .mode-card{border-color:var(--primary)}.mode-icon{font-family:var(--font-hanzi);font-size:15px;font-weight:700;color:var(--text)}.mode-name{font-size:11px;color:var(--text2);text-align:center}.q-type-badge{text-align:center;font-size:12px;font-weight:600;color:var(--text3);letter-spacing:.04em;margin-bottom:4px;font-family:var(--font-hanzi)}.q-sub{text-align:center;font-size:16px;color:var(--text2);margin-top:-16px;margin-bottom:20px;font-family:var(--font-hanzi)}.wrong-review{margin:16px auto 0;max-width:480px;text-align:left}.wrong-review h3{font-size:15px;color:var(--text2);margin-bottom:10px;text-align:center}.wrong-list{display:flex;flex-direction:column;gap:6px;max-height:220px;overflow-y:auto}.wrong-item{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--surface2);border:1px solid var(--border);border-radius:8px}.wi-hanzi{font-family:var(--font-hanzi);font-size:22px;min-width:36px}.wi-pinyin{font-size:13px;color:var(--text2);min-width:70px}.wi-meaning{font-size:13px;color:var(--text);flex:1}#quizHistory{padding-bottom:24px}.hist-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;background:var(--surface);border:1px solid var(--border);border-radius:10px;margin-bottom:8px}.hist-left{flex:1;min-width:0}.hist-date{font-size:12px;color:var(--text3);margin-bottom:4px}.hist-tags{display:flex;gap:6px;margin-bottom:4px;flex-wrap:wrap}.hist-tag{padding:2px 8px;background:var(--surface2);border:1px solid var(--border);border-radius:10px;font-size:11px;color:var(--text2)}.hist-detail{font-size:12px;color:var(--text2)}.hist-score{font-size:22px;font-weight:800;min-width:52px;text-align:right}.hist-score--good{color:var(--thuy-luc-2)}.hist-score--ok{color:var(--accent)}.hist-score--poor{color:var(--danger)}.special-modes-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.special-mode-card{display:flex;align-items:center;gap:14px;background:var(--surface);border:2px solid var(--border);border-radius:var(--radius);padding:16px 18px;transition:all .2s;cursor:default}.special-mode-card:hover{border-color:var(--primary);box-shadow:0 4px 16px #00000014}.dc-card{border-left:4px solid var(--hoang-kim)}.sv-card{border-left:4px solid var(--chau-hong-3)}.smc-icon{font-size:32px;flex-shrink:0}.smc-body{flex:1;min-width:0}.smc-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:4px}.smc-desc{font-size:12px;color:var(--text2);line-height:1.4}.smc-status{margin-top:8px}.btn-sm{padding:8px 14px;font-size:13px;white-space:nowrap}.dc-done-score{font-size:20px;font-weight:700;color:var(--primary)}.dc-done-xp{font-size:14px;color:var(--accent);font-weight:600}.dc-countdown{font-size:12px;color:var(--text3);margin-top:4px}.dc-streak{font-size:13px;color:var(--hoang-kim);font-weight:600;margin-top:4px}.dc-result-detail{display:flex;flex-direction:column;gap:6px;align-items:center;margin:16px 0;font-size:16px}.dc-xp-earned{font-size:20px;font-weight:700;color:var(--accent)}.sv-result-detail{display:flex;flex-direction:column;gap:6px;align-items:center;margin:16px 0;font-size:16px}.sv-new-best{font-size:18px;font-weight:700;color:var(--hoang-kim);animation:pulse .5s infinite alternate}.sv-best{font-size:14px;color:var(--text2)}.survival-timer-badge{font-weight:700;margin-left:8px;color:var(--accent)}.survival-timer-badge.timer-danger{color:var(--chau-hong-3);animation:pulse .4s infinite alternate}.quiz-double-xp-wrap{margin-bottom:4px}.quiz-double-xp-chip{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r-pill, 100px);background:var(--surface2);border:1.5px solid var(--border);color:var(--text2);font-size:12px;font-weight:600;cursor:pointer;font-family:var(--font-ui, inherit);transition:background var(--d-fast, .15s),border-color var(--d-fast, .15s),color var(--d-fast, .15s)}.quiz-double-xp-chip:hover:not(:disabled){border-color:var(--hoang-kim);color:var(--hoang-kim)}.quiz-double-xp-chip.active{background:#f59e0b24;border-color:var(--hoang-kim);color:var(--hoang-kim)}.quiz-double-xp-chip:disabled{opacity:.4;cursor:not-allowed}.quiz-refresh-btn{padding:4px 10px;border-radius:var(--r-pill, 100px);background:var(--surface2);border:1px solid var(--border);color:var(--text2);font-size:11px;font-weight:600;cursor:pointer;font-family:var(--font-ui, inherit);white-space:nowrap;flex-shrink:0;transition:background var(--d-fast, .15s)}.quiz-refresh-btn:hover{background:var(--hover);color:var(--text)}@media(max-width:600px){.special-modes-grid{grid-template-columns:1fr}.special-mode-card{flex-wrap:wrap;gap:10px;padding:14px}.smc-icon{font-size:26px}}.quiz-weak-badge{display:inline-flex;align-items:center;gap:6px;background:var(--primary);color:var(--on-accent);font-size:13px;font-weight:600;padding:5px 14px;border-radius:20px;margin-bottom:14px;letter-spacing:.3px}.shortcut-hint-line{margin-top:16px;font-size:12px;color:var(--text3);text-align:center}@media(max-width:768px){.shortcut-hint-line{display:none}}