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#0000001a;border-radius:100px;padding:9px 22px;font-family:DM Sans,sans-serif;font-size:.85rem;font-weight:600;transition:all .2s}.lbr-mode-btn.active,.lbr-mode-btn:hover{background:var(--green);border-color:var(--green);color:#fff}.lbr-quiz-card{background:#fff;border-radius:24px;width:100%;max-width:660px;animation:.5s .15s both lbr-fadeUp;overflow:hidden;box-shadow:0 8px 40px #0000001a}.lbr-quiz-card-bar{background:linear-gradient(90deg,var(--green),var(--yellow),var(--blue));height:5px}.lbr-quiz-card-inner{padding:32px}.lbr-progress-row{align-items:center;gap:14px;margin-bottom:26px;display:flex}.lbr-progress-track{background:var(--light);border-radius:100px;flex:1;height:7px;overflow:hidden}.lbr-progress-fill{background:linear-gradient(90deg,var(--green),#52b788);border-radius:100px;height:100%;transition:width .5s cubic-bezier(.4,0,.2,1)}.lbr-progress-count{color:var(--green);white-space:nowrap;letter-spacing:.5px;font-size:.8rem;font-weight:700}.lbr-score-live{color:var(--muted);white-space:nowrap;font-size:.8rem}.lbr-lang-badge{letter-spacing:1.5px;text-transform:uppercase;border-radius:100px;align-items:center;gap:6px;margin-bottom:14px;padding:5px 14px;font-size:.75rem;font-weight:700;display:inline-flex}.lbr-lang-badge.fr{color:#004085;background:#ebf4ff}.lbr-lang-badge.pt{color:#155724;background:#d4edda}.lbr-lang-badge.mixed{color:#856404;background:#fff3cd}.lbr-question-block{margin-bottom:28px}.lbr-question-label{color:var(--muted);letter-spacing:1px;text-transform:uppercase;margin-bottom:10px;font-size:.8rem;font-weight:600}.lbr-question-text{color:var(--text);margin-bottom:14px;font-family:Playfair Display,serif;font-size:clamp(1.1rem,3vw,1.4rem);font-weight:700;line-height:1.4}.lbr-question-text strong{color:var(--green);background:#009c3b12;border-radius:6px;padding:2px 8px}.lbr-sound-row{align-items:center;gap:12px;margin-bottom:6px;display:flex}.lbr-btn-sound{background:var(--blue);color:#fff;cursor:pointer;border:none;border-radius:100px;align-items:center;gap:7px;padding:9px 20px;font-family:DM Sans,sans-serif;font-size:.85rem;font-weight:600;transition:all .2s;display:inline-flex}.lbr-btn-sound:hover{background:#001a54;transform:scale(1.04)}.lbr-btn-sound.speaking{background:var(--green);animation:1s ease-in-out infinite lbr-soundPulse}@keyframes lbr-soundPulse{0%,to{transform:scale(1);box-shadow:0 0 #009c3b66}50%{transform:scale(1.05);box-shadow:0 0 0 8px #009c3b00}}.lbr-sound-hint{color:var(--muted);font-size:.78rem;font-style:italic}.lbr-options{flex-direction:column;gap:10px;margin-bottom:20px;display:flex}.lbr-opt{background:var(--light);cursor:pointer;color:var(--text);text-align:left;border:2px solid #0000;border-radius:14px;align-items:center;gap:14px;width:100%;padding:15px 18px;font-family:DM Sans,sans-serif;font-size:1rem;font-weight:500;transition:all .18s;display:flex;position:relative}.lbr-opt:hover:not(:disabled){border-color:var(--green);background:#fff;transform:translate(4px);box-shadow:0 4px 16px #009c3b1f}.lbr-opt-letter{width:32px;height:32px;color:var(--muted);background:#fff;border:1.5px solid #0000001a;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;font-size:.8rem;font-weight:700;transition:all .18s;display:flex}.lbr-opt-text{flex:1}.lbr-opt-sound{opacity:0;cursor:pointer;background:0 0;border:none;padding:4px;font-size:1rem;transition:opacity .2s}.lbr-opt:hover .lbr-opt-sound{opacity:1}.lbr-opt.correct{background:var(--correct-bg);border-color:var(--correct)}.lbr-opt.correct .lbr-opt-letter{background:var(--correct);border-color:var(--correct);color:#fff}.lbr-opt.wrong{background:var(--wrong-bg);border-color:var(--wrong)}.lbr-opt.wrong .lbr-opt-letter{background:var(--wrong);border-color:var(--wrong);color:#fff}.lbr-opt:disabled{cursor:default}.lbr-feedback{border-left:4px solid #0000;border-radius:14px;margin-bottom:18px;padding:16px 20px;font-size:.93rem;line-height:1.6;display:none}.lbr-feedback.show{display:block}.lbr-feedback.correct{background:var(--correct-bg);border-color:var(--correct);color:#155724}.lbr-feedback.wrong{background:var(--wrong-bg);border-color:var(--wrong);color:#721c24}.lbr-btn-next{background:linear-gradient(135deg,var(--green),#007a2f);color:#fff;cursor:pointer;border:none;border-radius:14px;width:100%;padding:15px;font-family:DM Sans,sans-serif;font-size:1rem;font-weight:700;transition:all .2s;display:none;box-shadow:0 6px 24px #009c3b4d}.lbr-btn-next.show{display:block}.lbr-btn-next:hover{transform:translateY(-2px);box-shadow:0 10px 32px #009c3b66}.lbr-score-panel{text-align:center;background:#fff;border-radius:24px;width:100%;max-width:660px;animation:.5s both lbr-fadeUp;display:none;overflow:hidden;box-shadow:0 8px 40px #0000001a}.lbr-score-panel.show{display:block}.lbr-score-panel-bar{background:linear-gradient(90deg,var(--green),var(--yellow),var(--blue));height:8px}.lbr-score-panel-inner{padding:48px 36px}.lbr-score-trophy{margin-bottom:14px;font-size:4rem}.lbr-score-title{color:var(--text);margin-bottom:6px;font-family:Playfair Display,serif;font-size:2rem;font-weight:900}.lbr-score-number{color:var(--green);margin:16px 0 6px;font-family:Playfair Display,serif;font-size:5rem;font-weight:900;line-height:1}.lbr-score-pct{color:var(--muted);margin-bottom:28px;font-size:1rem}.lbr-score-chips{flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:28px;display:flex}.lbr-score-chip{background:var(--light);color:var(--text);border-radius:12px;padding:9px 20px;font-size:.88rem}.lbr-score-chip strong{color:var(--green)}.lbr-score-msg{color:var(--muted);max-width:420px;margin:0 auto 32px;font-size:1rem;line-height:1.7}.lbr-btn-restart{background:linear-gradient(135deg,var(--green),#007a2f);color:#fff;cursor:pointer;border:none;border-radius:100px;width:100%;margin-bottom:16px;padding:15px 42px;font-family:DM Sans,sans-serif;font-size:1rem;font-weight:700;transition:all .2s;display:block;box-shadow:0 6px 24px #009c3b4d}.lbr-btn-restart:hover{transform:translateY(-2px);box-shadow:0 10px 32px #009c3b66}.lbr-btn-ebook{background:var(--blue);color:#fff;text-align:center;border-radius:100px;width:100%;padding:14px 36px;font-size:.95rem;font-weight:700;text-decoration:none;transition:all .2s;display:block}.lbr-btn-ebook:hover{background:#001a54;transform:translateY(-2px)}.lbr-sound-status{text-align:center;color:var(--muted);justify-content:center;align-items:center;gap:6px;margin-top:16px;font-size:.78rem;display:flex}.lbr-sound-dot{background:var(--green);border-radius:50%;width:8px;height:8px}.lbr-sound-dot.off{background:#ccc}.lbr-deco-flags{justify-content:center;align-items:center;gap:16px;margin-bottom:16px;font-size:1.8rem;display:flex}@media(max-width:500px){.lbr-quiz-card-inner{padding:22px 18px}.lbr-score-panel-inner{padding:32px 20px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}