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span{color:#1e293b;color:var(--text-primary);font-size:.9rem;font-weight:700}.practice-view{background:#f8fafc;background:var(--bg-secondary);margin:0 auto;max-width:1200px;min-height:100vh;padding:24px}.practice-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:32px;padding:32px 0}.back-btn{background:var(--bg-primary);border:1px solid #cbd5e1;border:1px solid var(--border-medium);border-radius:16px;border-radius:var(--radius-lg);box-shadow:0 1px 2px #0000000a;box-shadow:var(--shadow-sm);color:#1e293b;color:var(--text-primary);font-size:.95rem;font-weight:600;gap:8px;padding:12px 20px;transition:all .25s cubic-bezier(.34,1.56,.64,1);transition:var(--transition-bounce)}.back-btn:hover{background:#0284c7;background:var(--primary-600);border-color:#0284c7;border-color:var(--primary-600);box-shadow:0 2px 4px #0000000f;box-shadow:var(--shadow-md);color:#fff;color:var(--text-white);transform:translateY(-2px)}.practice-header h2{color:#1e293b;color:var(--text-primary);flex:1 1;font-size:1.75rem;font-weight:800;text-align:center}.mobile-instructions{background:linear-gradient(135deg,#22c55e,#16a34a);background:var(--gradient-success);box-shadow:0 2px 4px #0000000f;box-shadow:var(--shadow-md);color:#fff;color:var(--text-white);margin-bottom:24px;padding:20px}.level-info,.mobile-instructions,.sentence-info{border-radius:16px;border-radius:var(--radius-lg);font-weight:600;text-align:center}.level-info,.sentence-info{background:#fff;background:var(--bg-primary);border:1px solid #e2e8f0;border:1px solid var(--border-light);box-shadow:0 1px 2px #0000000a;box-shadow:var(--shadow-sm);color:#475569;color:var(--text-secondary);margin-bottom:20px;padding:16px 20px}.level-selector-container{background:#fff;background:var(--bg-primary);border:1px solid #e2e8f0;border:1px solid var(--border-light);border-radius:16px;border-radius:var(--radius-lg);box-shadow:0 2px 4px #0000000f;box-shadow:var(--shadow-md);margin-bottom:24px;padding:24px}.level-selector-container label{display:block;font-weight:700;margin-bottom:12px}#levelSelect,.level-selector-container label{color:#1e293b;color:var(--text-primary);font-size:1rem}#levelSelect{background:#fff;background:var(--bg-primary);border:2px solid #cbd5e1;border:2px solid var(--border-medium);border-radius:12px;border-radius:var(--radius-md);cursor:pointer;font-weight:600;padding:14px 18px;transition:all .2s ease-out;transition:var(--transition-normal);width:100%}#levelSelect:focus{border-color:#0ea5e9;border-color:var(--primary-500);box-shadow:0 0 0 3px #0ea5e91a;outline:none}.words-container{align-items:center;background:#fff;background:var(--bg-primary);border:1px solid #e2e8f0;border:1px solid var(--border-light);border-radius:24px;border-radius:var(--radius-xl);box-shadow:0 2px 4px #0000000f;box-shadow:var(--shadow-md);display:flex;flex-wrap:wrap;font-size:1.25rem;gap:12px;justify-content:center;line-height:2;margin-bottom:24px;min-height:140px;padding:40px;text-align:center}.word{background:#f8fafc;background:var(--bg-secondary);border:2px solid #e2e8f0;border:2px solid var(--border-light);border-radius:12px;border-radius:var(--radius-md);color:#1e293b;color:var(--text-primary);cursor:pointer;font-weight:600;padding:10px 16px;transition:all .25s cubic-bezier(.34,1.56,.64,1);transition:var(--transition-bounce)}.word.highlight{background:linear-gradient(135deg,#38bdf8,#0ea5e9);background:var(--gradient-primary);border-color:#0284c7;border-color:var(--primary-600);box-shadow:0 2px 4px #0000000f;box-shadow:var(--shadow-md);color:#fff;color:var(--text-white);transform:scale(1.05)}.word.correct{background:linear-gradient(135deg,#22c55e,#16a34a);background:var(--gradient-success);border-color:#16a34a;border-color:var(--success-600)}.word.correct,.word.wrong{box-shadow:0 1px 2px #0000000a;box-shadow:var(--shadow-sm);color:#fff;color:var(--text-white)}.word.wrong{animation:shake .5s ease-in-out;background:linear-gradient(135deg,#f472b6,#c084fc);background:var(--gradient-accent);border-color:#dc2626;border-color:var(--error-600)}@keyframes shake{0%,to{transform:translateX(0)}25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}.score-display{background:#fff;background:var(--bg-primary);border:1px solid #e2e8f0;border:1px solid var(--border-light);border-radius:16px;border-radius:var(--radius-lg);box-shadow:0 2px 4px #0000000f;box-shadow:var(--shadow-md);color:#1e293b;color:var(--text-primary);font-size:1.1rem;font-weight:700;margin-bottom:24px;padding:20px;text-align:center}.practice-controls{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}.next-button,.start-button{align-items:center;border:none;border-radius:16px;border-radius:var(--radius-lg);box-shadow:0 2px 4px #0000000f;box-shadow:var(--shadow-md);cursor:pointer;display:flex;font-size:1rem;font-weight:700;gap:8px;justify-content:center;min-width:140px;padding:14px 28px;transition:all .25s cubic-bezier(.34,1.56,.64,1);transition:var(--transition-bounce)}.start-button{background:linear-gradient(135deg,#38bdf8,#0ea5e9);background:var(--gradient-primary);color:#fff;color:var(--text-white)}.start-button:hover:not(:disabled){box-shadow:0 4px 8px #00000014;box-shadow:var(--shadow-lg);transform:translateY(-3px)}.start-button:disabled{cursor:not-allowed;opacity:.6}.next-button{background:linear-gradient(135deg,#22c55e,#16a34a);background:var(--gradient-success);color:#fff;color:var(--text-white)}.next-button:hover{box-shadow:0 4px 8px #00000014;box-shadow:var(--shadow-lg);transform:translateY(-3px)}.error-banner,.error-message{animation:slideIn .3s ease;background:linear-gradient(135deg,#f472b6,#c084fc);background:var(--gradient-accent);border-radius:16px;border-radius:var(--radius-lg);box-shadow:0 2px 4px #0000000f;box-shadow:var(--shadow-md);color:#fff;color:var(--text-white);font-weight:600;margin-bottom:20px;padding:16px 20px;text-align:center}@keyframes slideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.error-banner{box-shadow:0 8px 16px #0000001a;box-shadow:var(--shadow-xl);left:50%;position:fixed;top:24px;transform:translateX(-50%);z-index:1000}.sentence-navigation{display:flex;gap:16px;justify-content:center;margin:24px 0}.nav-button{align-items:center;border:none;border-radius:16px;border-radius:var(--radius-lg);box-shadow:0 2px 4px #0000000f;box-shadow:var(--shadow-md);cursor:pointer;display:flex;font-size:1rem;font-weight:700;gap:8px;padding:12px 24px;transition:all .25s cubic-bezier(.34,1.56,.64,1);transition:var(--transition-bounce)}.prev-btn{background:linear-gradient(135deg,#38bdf8,#0ea5e9);background:var(--gradient-primary);color:#fff;color:var(--text-white)}.prev-btn:hover:not(:disabled){box-shadow:0 4px 8px #00000014;box-shadow:var(--shadow-lg);transform:translateY(-2px)}.next-btn{background:linear-gradient(135deg,#2dd4bf,#14b8a6);background:var(--gradient-secondary);color:#fff;color:var(--text-white)}.next-btn:hover:not(:disabled){box-shadow:0 4px 8px #00000014;box-shadow:var(--shadow-lg);transform:translateY(-2px)}.nav-button:disabled{background:#cbd5e1;background:var(--gray-300);color:#475569;color:var(--gray-600);cursor:not-allowed;opacity:.5}@media (max-width:1024px){.dashboard{padding:0 24px}.header{margin:0 -24px 40px;padding:40px 32px 56px}.stats-grid{gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.activity-grid{gap:20px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}}@media (max-width:768px){.dashboard{padding:0 16px}.header{gap:24px;margin:0 -16px 32px;padding:32px 24px 48px}.header,.user-welcome{flex-direction:column;text-align:center}.stats-summary{flex-direction:column;gap:16px;padding:16px 20px}.activity-grid,.stats-grid{gap:16px;grid-template-columns:1fr}.achievements-grid{grid-template-columns:repeat(2,1fr)}.words-container{font-size:1.1rem;padding:24px}.sentence-navigation{flex-direction:column}.nav-button{width:100%}}@media (max-width:480px){.achievements-grid{grid-template-columns:1fr}.words-container{font-size:1rem;padding:16px}.word{padding:8px 12px}}:root{--primary-black:#1a1a1a;--secondary-black:#2d2d2d;--light-gray:#f5f5f5;--medium-gray:#e0e0e0;--dark-gray:#666;--white:#fff;--accent-blue:#2563eb;--accent-blue-hover:#1d4ed8;--accent-green:#059669;--accent-green-hover:#047857;--accent-red:#dc2626;--accent-red-hover:#b91c1c;--accent-orange:#ea580c;--accent-purple:#7c3aed;--success-color:#10b981;--warning-color:#f59e0b;--error-color:#ef4444;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;--transition-fast:0.15s ease-in-out;--transition-normal:0.3s ease-in-out}.daily-tasks-container{background-color:#f5f5f5;background-color:var(--light-gray);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;margin:0 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#0000000f;box-shadow:var(--shadow-md);transform:translateY(-2px)}.add-btn:disabled{background:#666;background:var(--dark-gray)}.edit-btn{align-items:center;background:#fff;background:var(--white);border:2px solid #2563eb;border:2px solid var(--accent-blue);border-radius:6px;color:#2563eb;color:var(--accent-blue);cursor:pointer;display:flex;font-size:13px;font-weight:500;gap:6px;padding:8px 16px;transition:all .15s ease-in-out;transition:all var(--transition-fast)}.edit-btn:hover{background:#2563eb;background:var(--accent-blue);color:#fff;color:var(--white);transform:translateY(-1px)}.delete-btn{align-items:center;background:#fff;background:var(--white);border:2px solid #dc2626;border:2px solid var(--accent-red);border-radius:6px;color:#dc2626;color:var(--accent-red);cursor:pointer;display:flex;font-size:13px;font-weight:500;gap:6px;padding:8px 16px;transition:all .15s ease-in-out;transition:all var(--transition-fast)}.delete-btn:hover{background:#dc2626;background:var(--accent-red);color:#fff;color:var(--white);transform:translateY(-1px)}.cancel-btn{background:var(--white);border:2px solid #e0e0e0;border:2px solid var(--medium-gray);color:#666;color:var(--dark-gray);font-size:14px;padding:10px 20px;transition:all .15s ease-in-out;transition:all var(--transition-fast)}.cancel-btn:hover{background:#f5f5f5;background:var(--light-gray);border-color:#666;border-color:var(--dark-gray)}.tasks-grid{grid-gap:20px;display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));margin-bottom:30px}.task-card{background:#fff;background:var(--white);border:1px solid #e0e0e0;border:1px solid var(--medium-gray);border-radius:12px;box-shadow:0 1px 2px 0 #0000000d;box-shadow:var(--shadow-sm);overflow:hidden;padding:24px;position:relative;transition:all .3s ease-in-out;transition:all var(--transition-normal)}.task-card:hover{box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px 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(max-width:768px){.daily-tasks-container{padding:16px}.tab-header{flex-direction:column;gap:16px;text-align:center}.tasks-grid{grid-template-columns:1fr}.task-actions{flex-direction:column}.delete-btn,.edit-btn{justify-content:center}.modal-content{margin:20px;padding:24px}.modal-actions{flex-direction:column}}.add-btn:disabled,.delete-btn:disabled,.edit-btn:disabled{cursor:not-allowed;opacity:.6;transform:none}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.task-card{animation:fadeIn .3s ease-out}.task-card:hover .task-header h3{color:#2563eb;color:var(--accent-blue);transition:color .15s ease-in-out;transition:color var(--transition-fast)}.task-level[style*="rgb(76, 175, 80)"]{background:linear-gradient(135deg,#10b981,#059669)!important;background:linear-gradient(135deg,var(--success-color),#059669)!important}.task-level[style*="rgb(255, 152, 0)"]{background:linear-gradient(135deg,#f59e0b,#d97706)!important;background:linear-gradient(135deg,var(--warning-color),#d97706)!important}.task-level[style*="rgb(244, 67, 54)"]{background:linear-gradient(135deg,#ef4444,#dc2626)!important;background:linear-gradient(135deg,var(--error-color),#dc2626)!important}button:focus-visible{outline:2px solid #2563eb;outline:2px solid var(--accent-blue);outline-offset:2px}*{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f5f5f5;background:var(--light-gray)}::-webkit-scrollbar-thumb{background:#666;background:var(--dark-gray);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#2d2d2d;background:var(--secondary-black)}body{background:#f8f9fa;color:#1a1a1a;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe 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span{font-size:.9rem;opacity:.9}.school-info{font-size:.8rem!important;opacity:.7!important}.admin-nav{background:#fff;border-bottom:1px solid #e9ecef;box-shadow:0 2px 8px #0000000a;padding:0 2rem}.admin-nav,.nav-btn{display:flex;gap:.5rem}.nav-btn{align-items:center;background:none;border:none;border-bottom:3px solid #0000;color:#6c757d;cursor:pointer;font-weight:500;overflow:hidden;padding:1rem 1.5rem;position:relative;transition:all .2s ease}.nav-btn:before{background:linear-gradient(90deg,#667eea,#764ba2);bottom:0;content:"";height:3px;left:0;position:absolute;right:0;transform:scaleX(0);transition:transform .2s ease}.nav-btn:hover{background:#f8f9fa;color:#667eea}.nav-btn:hover:before{transform:scaleX(1)}.nav-btn.active{background:#f8f9fa;color:#667eea}.nav-btn.active:before{transform:scaleX(1)}.admin-content{margin:0 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