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16px;font-size:.92rem;line-height:1.5;display:flex}.review-opt-correct{color:var(--success);background:#10b9811a;font-weight:500}.review-opt-wrong{color:var(--danger);background:#ef44441a}.review-opt-letter{background:#ffffff0f;border-radius:50%;justify-content:center;align-items:center;width:28px;min-width:28px;height:28px;font-size:.8rem;font-weight:700;display:flex}.review-opt-correct .review-opt-letter{background:var(--success);color:#fff}.review-opt-wrong .review-opt-letter{background:var(--danger);color:#fff}.review-opt-icon{margin-left:auto;font-size:1rem;font-weight:700}.review-reference{color:var(--text-muted);border-top:1px solid #ffffff0f;margin-top:12px;padding-top:12px;font-size:.83rem;font-style:italic}.review-footer{justify-content:center;padding:28px 0;display:flex}.results-actions{flex-wrap:wrap;justify-content:center;gap:14px;padding:16px 0 48px;display:flex}.congrats-message{text-align:center;margin-bottom:20px;padding:32px}.congrats-emoji{margin-bottom:12px;font-size:3rem;display:block}.congrats-message p{color:var(--success);font-size:1.1rem;font-weight:600}.encourage-message{text-align:center;color:var(--text-secondary);margin-bottom:24px;font-size:1.05rem}.empty-state{text-align:center;color:var(--text-muted);padding:60px 20px}.empty-state code{background:#ffffff14;border-radius:4px;padding:2px 8px;font-size:.9em}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{50%{opacity:.5}}@keyframes bounce-slow{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.animate-bounce-slow{animation:3s infinite bounce-slow}@media (max-width:768px){.topics-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:640px){.app-container{padding:32px 24px}.topics-grid{grid-template-columns:repeat(2,1fr)}.app-header h1{font-size:2.8rem}}@media (max-width:540px){.topics-grid{grid-template-columns:1fr}}@media (max-width:480px){.topic-actions{flex-direction:column}.topic-actions .btn{width:100%}.quiz-header{flex-wrap:wrap;gap:8px}.quiz-topic-name{order:3;width:100%;font-size:.82rem}.quiz-nav{flex-wrap:wrap;justify-content:center}.stats-grid{grid-template-columns:repeat(3,1fr);gap:8px}.stat-card{padding:14px 10px}.stat-number{font-size:1.5rem}.question-card{padding:20px 18px}.results-actions{flex-direction:column;align-items:stretch}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-gradient-position{syntax:"*";inherits:false}@property --tw-gradient-from{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-gradient-via{syntax:"<color>";inherits:false;initial-value:#0000}@property 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