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.mc-option-text{color:#ef4444}.mc-disabled{opacity:.5}.mc-feedback{text-align:center;padding:var(--spacing-md);border-radius:var(--radius-md);font-weight:var(--font-weight-semibold);font-size:var(--font-size-item);margin-bottom:var(--spacing-md);animation:fadeIn .3s ease}.mc-feedback-correct{background:#10b9811a;color:#10b981}.mc-feedback-incorrect{background:#ef44441a;color:#ef4444}.mc-next-btn{width:100%;padding:var(--spacing-md) var(--spacing-xl);background:var(--text);color:var(--bg);border:none;border-radius:var(--radius-md);font-size:var(--font-size-item);font-weight:var(--font-weight-semibold);cursor:pointer;transition:all .2s ease-in-out;font-family:inherit;min-height:48px;display:flex;align-items:center;justify-content:center;gap:var(--spacing-xs);margin-bottom:var(--spacing-sm)}.mc-next-btn:active{opacity:.8;transform:scale(.98)}.mc-hint{text-align:center;font-size:var(--font-size-metadata);color:var(--text-metadata)}.mc-message{text-align:center;padding:var(--spacing-xxl);color:var(--text-tertiary);font-size:var(--font-size-item)}@keyframes correctPulse{0%,to{transform:scale(1)}50%{transform:scale(1.02)}}@keyframes incorrectShake{0%,to{transform:translate(0)}25%{transform:translate(-8px)}75%{transform:translate(8px)}}@media (max-width: 768px){.mc-card{padding:var(--spacing-xl)}.mc-question{font-size:24px;padding:var(--spacing-lg);min-height:70px}.mc-option{padding:var(--spacing-sm) var(--spacing-md)}}@media (max-width: 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#3b82f61a}.tp-input:disabled{opacity:.6;cursor:not-allowed}.tp-input.tp-correct{border-color:#10b981;background:#10b9810d}.tp-input.tp-incorrect{border-color:#ef4444;background:#ef44440d}.tp-submit-btn{padding:.875rem 1.5rem;background:var(--accent-color);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.tp-submit-btn:hover:not(:disabled){background:#2563eb;transform:translateY(-1px);box-shadow:0 4px 12px #3b82f64d}.tp-submit-btn:active:not(:disabled){transform:translateY(0)}.tp-submit-btn:disabled{opacity:.5;cursor:not-allowed}.tp-next-btn{width:100%;padding:var(--spacing-md) var(--spacing-xl);background:var(--text);color:var(--bg);border:none;border-radius:var(--radius-md);font-size:var(--font-size-item);font-weight:var(--font-weight-semibold);cursor:pointer;transition:all .2s 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#ef4444}.tp-result-icon{font-size:3rem;line-height:1}.tp-result-correct .tp-result-icon{color:#10b981}.tp-result-incorrect .tp-result-icon{color:#ef4444}.tp-result-text{font-size:1.25rem;font-weight:600}.tp-result-correct .tp-result-text{color:#10b981}.tp-result-incorrect .tp-result-text{color:#ef4444}.tp-correct-answer{font-size:.95rem;color:var(--text-secondary);text-align:center}.tp-correct-answer strong{color:var(--text-primary);font-weight:600}.tp-instructions{text-align:center;font-size:.8rem;color:var(--text-secondary)}.tp-instructions kbd{display:inline-block;padding:.15rem .4rem;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:4px;font-family:monospace;font-size:.75rem;font-weight:600;margin:0 .2rem}.tp-message{text-align:center;padding:2rem;color:var(--text-secondary);font-size:1rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.tp-card{padding:1.5rem;gap:1.25rem}.tp-question{font-size:1.5rem;padding:1.25rem;min-height:70px}.tp-input{padding:.875rem 1rem;font-size:1rem}.tp-submit-btn{padding:.75rem 1.25rem;font-size:.95rem}}@media (max-width: 480px){.tp-card{padding:1rem;gap:1rem}.tp-question{font-size:1.25rem;padding:1rem;min-height:60px}.tp-input{padding:.75rem;font-size:.95rem}.tp-submit-btn{padding:.625rem 1rem;font-size:.9rem}.tp-result-icon{font-size:2.5rem}.tp-result-text{font-size:1.1rem}}.cloze-card{width:100%;height:100%;perspective:1000px;display:flex;align-items:center;justify-content:center}.cloze-card-inner{background:var(--surface);border:2px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:600px;min-height:400px;display:flex;flex-direction:column;box-shadow:0 8px 32px #0000001a;padding:var(--spacing-xl)}.cloze-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-md);border-bottom:2px 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#00000026}.btn-show-answer:active{transform:translateY(0)}.cloze-card-actions{display:flex;gap:var(--spacing-sm);flex-wrap:wrap;justify-content:center}.btn-cloze-action{padding:var(--spacing-sm) var(--spacing-md);border:2px solid var(--border);border-radius:var(--radius-md);font-size:var(--font-size-body);font-weight:var(--font-weight-medium);cursor:pointer;transition:all .2s ease-in-out;background:var(--bg);color:var(--text);min-width:80px}.btn-cloze-action:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.btn-cloze-action:active{transform:translateY(0)}.btn-wrong{border-color:#ef4444;color:#ef4444}.btn-wrong:hover{background:#ef44441a}.btn-hard{border-color:#f59e0b;color:#f59e0b}.btn-hard:hover{background:#f59e0b1a}.btn-good{border-color:#10b981;color:#10b981}.btn-good:hover{background:#10b9811a}.btn-easy{border-color:#3b82f6;color:#3b82f6}.btn-easy:hover{background:#3b82f61a}@media (max-width: 768px){.cloze-card-inner{min-height:350px;padding:var(--spacing-lg)}.cloze-text{font-size:18px}.cloze-text.arabic{font-size:22px}.cloze-blank{min-width:50px;padding:3px 10px}.btn-cloze-action{min-width:70px;padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--font-size-metadata)}}@media (max-width: 480px){.cloze-card-inner{min-height:300px;padding:var(--spacing-md)}.cloze-text{font-size:16px}.cloze-text.arabic{font-size:20px}.cloze-card-actions{gap:var(--spacing-xs)}.btn-cloze-action{min-width:60px;font-size:12px}}.achievement-notifications{position:fixed;top:var(--spacing-xl);right:var(--spacing-xl);z-index:10000;display:flex;flex-direction:column;gap:var(--spacing-md);max-width:400px}.achievement-notification{background:var(--bg);border:2px solid #22c55e;border-radius:var(--radius-lg);box-shadow:0 8px 24px #0003;overflow:hidden;animation:slideInRight .3s 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ease-in-out}.achievement-notification-close:hover{background:#0000001a}.achievement-notification-content{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md)}.achievement-notification-icon{font-size:48px;line-height:1;flex-shrink:0}.achievement-notification-details{flex:1;min-width:0}.achievement-notification-name{font-size:var(--font-size-section);font-weight:var(--font-weight-bold);color:var(--text);margin-bottom:4px}.achievement-notification-description{font-size:var(--font-size-body);color:var(--text-secondary);line-height:1.4}@keyframes slideInRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@media (max-width: 768px){.achievement-notifications{top:var(--spacing-md);right:var(--spacing-md);left:var(--spacing-md);max-width:none}.achievement-notification-icon{font-size:40px}.achievement-notification-name{font-size:var(--font-size-item)}.achievement-notification-description{font-size:var(--font-size-metadata)}}.session-summary{background:var(--bg);border-radius:var(--radius-lg);max-width:600px;width:90%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #0000004d}.session-summary-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-lg) var(--spacing-xl);border-bottom:1px solid var(--border)}.session-summary-header h2{font-size:var(--font-size-title);font-weight:var(--font-weight-bold);color:var(--text);margin:0}.session-summary-content{padding:var(--spacing-xl);display:flex;flex-direction:column;gap:var(--spacing-xl)}.performance-badge{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md);padding:var(--spacing-xl);border:2px 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rgba(59,130,246,.2);border-radius:var(--radius-md)}.session-suggestions h3{font-size:var(--font-size-item);font-weight:var(--font-weight-semibold);color:var(--text);margin:0 0 var(--spacing-sm) 0}.suggestions-list{margin:0;padding-left:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-xs)}.suggestions-list li{font-size:var(--font-size-body);color:var(--text-secondary);line-height:1.5}.session-actions{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-md)}.session-btn{padding:var(--spacing-md) var(--spacing-lg);border:none;border-radius:var(--radius-md);font-size:var(--font-size-item);font-weight:var(--font-weight-semibold);cursor:pointer;transition:all .2s ease-in-out;font-family:inherit;min-height:48px}.session-btn-primary{background:var(--text);color:var(--bg)}.session-btn-primary:active{opacity:.8;transform:scale(.98)}.session-btn-secondary{background:transparent;color:var(--text);border:1px solid var(--border)}.session-btn-secondary:active{opacity:.6;transform:scale(.98)}@media (max-width: 480px){.session-summary{width:95%}.session-summary-content{padding:var(--spacing-lg);gap:var(--spacing-lg)}.performance-badge{padding:var(--spacing-lg)}.accuracy-circle{width:140px;height:140px}.accuracy-value{font-size:40px}.session-stats-grid{grid-template-columns:1fr 1fr;gap:var(--spacing-sm)}.session-stat{padding:var(--spacing-sm)}.session-stat-icon,.session-stat-value{font-size:24px}.session-actions{grid-template-columns:1fr}}.color-scheme-selector{background:var(--bg);border-radius:var(--radius-lg);width:90%;max-width:600px;max-height:85vh;display:flex;flex-direction:column;box-shadow:0 8px 32px #0000004d}.color-scheme-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-lg);border-bottom:1px solid var(--border)}.color-scheme-header 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#00000026}.color-scheme-emoji{font-size:32px;line-height:1}.color-scheme-name{font-size:var(--font-size-body);font-weight:var(--font-weight-medium);color:var(--text);text-align:center}.color-scheme-check{position:absolute;top:var(--spacing-xs);right:var(--spacing-xs);width:24px;height:24px;background:var(--accent);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:var(--font-weight-bold)}@media (max-width: 768px){.color-scheme-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:var(--spacing-sm)}.color-scheme-option{padding:var(--spacing-md)}.color-scheme-emoji{font-size:28px}.color-scheme-name{font-size:var(--font-size-metadata)}}@media (max-width: 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12px;--font-weight-bold: 700;--font-weight-semibold: 600;--font-weight-medium: 500;--font-weight-regular: 400;--spacing-xs: 8px;--spacing-sm: 12px;--spacing-md: 16px;--spacing-lg: 20px;--spacing-xl: 24px;--spacing-xxl: 32px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--shadow-subtle: 0 1px 3px rgba(0, 0, 0, .04);--bg-primary: #FFFFFF;--bg-secondary: #F8F8F8;--bg-tertiary: #F5F5F5;--text-primary: #000000;--border-color: #E5E5E5;--accent-color: #000000}[data-theme=dark]{--bg: #000000;--surface: #2a2a2a;--surface-alt: #1a1a1a;--text: #ffffff;--text-secondary: #999999;--text-tertiary: #666666;--text-metadata: #555555;--border: #333333;--accent: #ffffff;--bg-primary: #000000;--bg-secondary: #1a1a1a;--bg-tertiary: #2a2a2a;--text-primary: #ffffff;--border-color: #333333;--accent-color: #ffffff}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica 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ease-in-out;text-align:center;font-family:inherit;-webkit-appearance:none;-moz-appearance:none;appearance:none;min-height:44px}.selector-btn.active{background-color:var(--text);color:var(--bg);border-color:var(--text)}.selector-btn:active{opacity:.8;transform:scale(.98)}select.selector-btn{background-color:var(--surface);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23000' d='M6 9L1 4h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center;padding-right:2rem}select.selector-btn.active{background-color:var(--text);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23fff' d='M6 9L1 4h10z'/%3E%3C/svg%3E")}[data-theme=dark] select.selector-btn{background-color:var(--surface);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' 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