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0;border:none;font-size:1.25rem;line-height:1}.message-close:hover{opacity:1}.footer{text-align:center;padding:var(--space-8)var(--space-6);color:var(--gray-400);font-size:.875rem}.loading-overlay{z-index:200;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}.spinner{border:3px solid var(--gray-200);border-top-color:var(--primary-500);border-radius:50%;width:2.5rem;height:2.5rem;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.htmx-indicator{opacity:0;transition:opacity .2s}.htmx-request .htmx-indicator{opacity:1}.question-card{border-radius:var(--radius-2xl);box-shadow:var(--shadow-xl);padding:var(--space-8);background:#fff;max-width:40rem;margin:0 auto}.question-header{margin-bottom:var(--space-4);justify-content:space-between;align-items:center;display:flex}.question-badge{padding:var(--space-1)var(--space-3);background:var(--primary-100);color:var(--primary-700);border-radius:var(--radius-md);font-size:.8125rem;font-weight:500}.question-text{text-align:center;padding:var(--space-8)0;color:var(--gray-800);font-size:1.5rem;font-weight:600;line-height:1.5}body.larger-text .question-text{font-size:1.75rem}.question-blank{border-bottom:3px solid var(--primary-400);min-width:6rem;margin:0 var(--space-2);display:inline-block}.input-answer{width:100%;padding:var(--space-4);text-align:center;border:2px solid var(--gray-200);border-radius:var(--radius-lg);outline:none;font-size:1.25rem;transition:all .15s}.input-answer:focus{border-color:var(--primary-500);box-shadow:0 0 0 3px var(--primary-100)}.input-answer::placeholder{color:var(--gray-400)}.mc-grid{gap:var(--space-3);grid-template-columns:repeat(2,1fr);display:grid}.mc-option{padding:var(--space-4);background:var(--gray-50);border:2px solid var(--gray-200);border-radius:var(--radius-lg);color:var(--gray-700);cursor:pointer;text-align:center;font-size:1.125rem;font-weight:500;transition:all .15s}.mc-option:hover{border-color:var(--primary-300);background:var(--primary-50)}.mc-option.selected{border-color:var(--primary-500);background:var(--primary-100);color:var(--primary-700)}.mc-option.correct{border-color:var(--success-500);background:var(--success-100);color:#065f46}.mc-option.incorrect{border-color:var(--error-500);background:var(--error-100);color:#991b1b}.result-correct{background:linear-gradient(135deg,#d1fae5,#ecfdf5)}.result-incorrect{background:linear-gradient(135deg,#fee2e2,#fef2f2)}.result-icon{width:4rem;height:4rem;margin:0 auto var(--space-4);border-radius:50%;justify-content:center;align-items:center;font-size:2rem;display:flex}.result-icon-correct{background:var(--success-500);color:#fff}.result-icon-incorrect{background:var(--error-500);color:#fff}.result-title{text-align:center;margin-bottom:var(--space-2);font-size:1.5rem;font-weight:700}.result-title-correct{color:#065f46}.result-title-incorrect{color:#991b1b}.streak-container{margin-bottom:var(--space-6)}.streak-header{margin-bottom:var(--space-2);justify-content:space-between;font-size:.875rem;display:flex}.streak-label{color:var(--gray-600);font-weight:500}.streak-value{color:var(--primary-600);font-weight:600}.streak-bar{background:var(--gray-200);border-radius:var(--radius-md);height:.5rem;overflow:hidden}.streak-progress{background:linear-gradient(90deg,var(--accent-300),var(--accent-500));border-radius:var(--radius-md);height:100%;transition:width .5s}.level-badge{align-items:center;gap:var(--space-2);padding:var(--space-2)var(--space-4);background:linear-gradient(135deg,var(--primary-400),var(--primary-600));color:#fff;border-radius:var(--radius-lg);font-weight:600;display:inline-flex;box-shadow:0 2px 8px #0ea5e94d}.btn-tts{padding:var(--space-2);background:var(--gray-100);border-radius:var(--radius-md);color:var(--gray-600);cursor:pointer;border:none;transition:all .15s}.btn-tts:hover{background:var(--gray-200);color:var(--gray-800)}.btn-tts.playing{background:var(--primary-500);color:#fff}.animate-fade-in{animation:.3s fadeIn}.animate-slide-up{animation:.3s slideUp}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.level-up-card{background:linear-gradient(135deg,var(--accent-400),var(--accent-500));color:#fff;text-align:center;padding:var(--space-8);border-radius:var(--radius-xl);margin-bottom:var(--space-6);box-shadow:0 8px 32px #fbbf2459}.level-up-title{margin-bottom:var(--space-2);font-size:1.5rem;font-weight:700}.inline{display:inline}.text-center{text-align:center}.mt-4{margin-top:var(--space-4)}.mt-6{margin-top:var(--space-6)}.mb-4{margin-bottom:var(--space-4)}.mb-6{margin-bottom:var(--space-6)}@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-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}