:root{--font-sans:"Zalando Sans Expanded Variable",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--font-display:var(--font-sans);--font-mono:var(--font-sans);--type-weight-black:900;--type-weight-bold:700;--type-weight-regular:400;--type-weight-light:300;--type-line-display:1.04;--type-line-heading:1.14;--type-line-body:1.55;--font-weight-black:var(--type-weight-black);--font-weight-bold:var(--type-weight-bold);--font-weight-regular:var(--type-weight-regular);--font-weight-light:var(--type-weight-light);--font-size-tiny:.625rem;--font-size-micro:.6875rem;--font-size-label:.8125rem;--font-size-ui:.875rem;--font-size-body:1rem;--font-size-h6:.875rem;--font-size-h5:1.125rem;--font-size-h4:1.375rem;--font-size-h3:1.75rem;--font-size-h2:2.25rem;--font-size-h1:3rem;--font-size-title:1.875rem;--line-height-tiny:1.3;--line-height-micro:1.35;--line-height-label:1.35;--line-height-ui:1.4;--line-height-small:1.45;--line-height-body:var(--type-line-body);--line-height-h5:var(--type-line-heading);--line-height-h4:var(--type-line-heading);--line-height-h3:var(--type-line-heading);--line-height-h2:1.08;--line-height-h1:var(--type-line-display);--line-height-title:var(--type-line-display);--tracking-tight:-.01em;--tracking-title:-.015em;--space-0:0;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-7:2rem;--space-8:2.5rem;--space-9:3rem;--space-10:3.5rem;--brand-blue:#4f6bff;--brand-blue-violet:#5b5cff;--brand-purple:#7a4dff;--brand-purple-vibrant:#8b4cff;--brand-purple-dark:#3a2a6a;--brand-blue-dark:#1e2a4f;--neutral-black:#000;--neutral-gray-900:#1a1a1a;--neutral-white:#fff;--gradient-brand:linear-gradient(135deg,#4f6bff 0%,#5b5cff 32%,#7a4dff 68%,#8b4cff 100%);--ds-bg:var(--neutral-white);--ds-surface:var(--neutral-white);--ds-surface-modal:var(--neutral-white);--ds-surface-2:#f6f7fb;--ds-text:var(--neutral-gray-900);--ds-muted:#1a1a1ab8;--ds-border:#1e2a4f1f;--ds-primary:var(--brand-blue);--ds-primary-hover:var(--brand-blue-violet);--ds-accent:var(--brand-purple-vibrant);--color-info-bg:#4f6bff2e;--color-info-border:#4f6bff52;--color-info-text:var(--brand-blue-dark);--color-accent-bg:#8b4cff2e;--color-accent-border:#8b4cff52;--color-accent-text:var(--brand-purple-dark);--color-success-bg:#e9f9ef;--color-success-border:#34d399;--color-success-text:#047857;--color-warning-bg:#fff3e0;--color-warning-border:#f59e0b;--color-warning-text:#b45309;--color-danger-bg:#feecee;--color-danger-border:#f87171;--color-danger-text:#b91c1c;--radius-sm:10px;--radius-md:14px;--radius-lg:18px;--radius-pill:999px;--shadow-sm:0 8px 20px #1e2a4f1f;--shadow-md:0 16px 36px #1e2a4f29;--shadow-lg:0 26px 60px #1e2a4f38;--transition-fast:.12s ease;--transition-base:.2s ease;--transition:all var(--transition-base);--focus-ring:0 0 0 3px #4f6bff47;--bg:var(--ds-bg);--card:var(--ds-surface);--text:var(--ds-text);--muted:var(--ds-muted);--border:var(--ds-border);--shadow:var(--shadow-md);--radius:var(--radius-lg);--primary-color:var(--brand-blue-dark);--secondary-color:var(--ds-primary);--accent-color:var(--ds-accent);--success-color:#22c55e;--warning-color:#f59e0b;--danger-color:#ef4444;--light-color:var(--neutral-white);--dark-color:var(--brand-blue-dark);--gray-50:#f8fafc;--gray-100:#f1f5f9;--gray-200:#e2e8f0;--gray-300:#cbd5e1;--gray-400:#94a3b8;--gray-500:#64748b;--gray-600:#475569;--gray-700:#334155;--gray-800:#1e293b;--gray-900:#0f172a;--gray-color:#1a1a1a85;--border-radius:var(--radius-sm);--box-shadow:var(--shadow-sm);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}body[data-theme=dark]{--ds-bg:#2c0d6d;--ds-surface:#120e30db;--ds-surface-modal:#120e30;--ds-surface-2:#ffffff1a;--ds-text:#f8fbff;--ds-muted:#dbe3ffc7;--ds-border:#8b4cff57;--ds-primary:#8b4cff;--ds-primary-hover:#5b5cff;--ds-accent:#4dfce0;--color-info-bg:#4f6bff57;--color-info-border:#93abff80;--color-info-text:#dbe7ff;--color-accent-bg:#8b4cff57;--color-accent-border:#ccb1ff80;--color-accent-text:#f0e7ff;--color-success-bg:#22c55e2e;--color-success-border:#22c55e99;--color-success-text:#34d399;--color-warning-bg:#f59e0b2e;--color-warning-border:#f59e0b99;--color-warning-text:#fbbf24;--color-danger-bg:#ef444429;--color-danger-border:#f871718c;--color-danger-text:#fca5a5;--shadow-sm:0 10px 26px #00000059;--shadow-md:0 18px 38px #00000073;--shadow-lg:0 26px 60px #0000008c;--focus-ring:0 0 0 3px #5b5cff52;--bg:var(--ds-bg);--card:var(--ds-surface);--text:var(--ds-text);--muted:var(--ds-muted);--border:var(--ds-border);--shadow:var(--shadow-md);--primary-color:#5b5cff;--secondary-color:#8b4cff;--accent-color:#4dfce0;--light-color:#f8fbff;--dark-color:#120e30;--gray-color:#dbe3ff9e}html[data-theme=dark],body[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}
*{box-sizing:border-box;margin:0;padding:0}:root{--primary-color:#2c3e50;--secondary-color:#3498db;--accent-color:#e74c3c;--success-color:#2ecc71;--warning-color:#f39c12;--danger-color:#c0392b;--light-color:#ecf0f1;--dark-color:#2c3e50;--gray-color:#95a5a6;--border-radius:8px;--box-shadow:0 2px 10px #0000001a;--transition:all .3s ease;--font-mono:var(--font-sans)}body{font-family:var(--font-sans);color:#2b2f33;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f5f7fa;font-size:16px;line-height:1.65}button,input,select,textarea{font-family:inherit}code,pre,kbd,samp{font-family:var(--font-mono);font-size:.95em}h1,h2,h3,h4,.logo-main{letter-spacing:-.02em}.small,.stat-label,.question-number,.question-subject{letter-spacing:.01em}.container{border-radius:20px;max-width:1400px;margin:0 auto;padding:10px 20px}.status-bar{background:var(--gradient-brand);color:#fff;padding:10px 0}.status-container{justify-content:space-between;align-items:center;display:flex}.user-status{align-items:center;gap:20px;display:flex}.points-display,.rank-badge{align-items:center;gap:8px;font-weight:600;display:flex}.status-actions{gap:10px;display:flex}.status-btn{border-radius:var(--border-radius);cursor:pointer;transition:var(--transition);border:none;align-items:center;gap:5px;padding:6px 15px;font-size:.9rem;display:flex}.btn-review{color:#fff;background-color:#3498db}.btn-simulated{color:#fff;background-color:#9b59b6}.status-btn:hover{opacity:.9;transform:translateY(-2px)}.header-container{box-shadow:var(--box-shadow);background-color:#fff;justify-content:space-between;align-items:center;padding:20px 0;display:flex}.logo{color:var(--primary-color);align-items:center;gap:10px;margin-left:30px;display:flex}.logo i{color:#3498db var(--secondary-color);font-size:2rem}nav ul{gap:30px;list-style:none;display:flex}nav a{color:var(--primary-color);transition:var(--transition);padding:8px 0;font-weight:600;text-decoration:none;position:relative}nav a:hover,nav a.active{color:var(--secondary-color)}nav a.active:after{content:"";background-color:var(--secondary-color);height:3px;position:absolute;bottom:0;left:0;right:0}.user-info{align-items:center;gap:10px;display:flex}.header .user-avatar{background:var(--gradient-brand);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.level-display{color:#fff;border-radius:var(--border-radius);background-color:#3498db;padding:5px 12px;font-size:.9rem;font-weight:600}.level-badge{color:#fff;background:linear-gradient(45deg,gold,orange);border-radius:10px;padding:2px 8px;font-size:.7rem;font-weight:700}.session-progress{border-radius:var(--border-radius);box-shadow:var(--box-shadow);background-color:#fff;margin:20px auto;padding:20px}.progress-stats{gap:30px;display:flex}.stat{text-align:center}.stat-value{font-size:1.5rem;font-weight:700;display:block}.stat-value.correct{color:var(--success-color)}.stat-value.wrong{color:var(--danger-color)}.progress-bar{background-color:#ecf0f1;border-radius:4px;height:8px;overflow:hidden}.progress-fill{background:linear-gradient(90deg,#3498db 0%,#2ecc71 100%);width:10%;height:100%;transition:width .5s}.content-filters{border-radius:var(--border-radius);box-shadow:var(--box-shadow);background-color:#fff;margin:20px auto;padding:25px}.filters-container h3{color:var(--primary-color);align-items:center;gap:10px;margin-bottom:20px;display:flex}.filter-group{flex-direction:column;gap:8px;display:flex}.filter-group label{color:var(--primary-color);align-items:center;gap:8px;font-weight:600;display:flex}.filter-select{border-radius:var(--border-radius);transition:var(--transition);background-color:#fff;border:2px solid #ecf0f1;padding:12px 15px;font-size:1rem}.filter-select:focus{border-color:var(--secondary-color);outline:none}.filter-actions{gap:15px;margin-bottom:20px;display:flex}.filter-info{border-radius:var(--border-radius);border-left:4px solid var(--secondary-color);background-color:#f8f9fa;padding:15px}#currentFilters{color:var(--gray-color);font-size:.95rem}.btn{border-radius:var(--border-radius);cursor:pointer;transition:var(--transition);border:none;justify-content:center;align-items:center;gap:8px;padding:10px;font-size:1rem;font-weight:600;display:inline-flex}.btn-primary{background-color:var(--secondary-color);color:#fff}.btn-secondary{background-color:var(--light-color);color:var(--dark-color)}.btn-accent{background-color:var(--accent-color);color:#fff}.btn:hover{transform:translateY(-2px);box-shadow:0 4px 15px #0000001a}.btn:active{transform:translateY(0)}.main-content{grid-template-columns:1fr 350px;gap:30px;margin:30px auto;display:grid}.question-container{border-radius:var(--border-radius);box-shadow:var(--box-shadow);background-color:#fff;overflow:hidden}.question-header{background-color:#f8f9fa;border-bottom:1px solid #ecf0f1;justify-content:space-between;align-items:center;padding:20px;display:flex}.question-meta{flex-wrap:wrap;align-items:center;gap:15px;display:flex}.question-number{color:var(--primary-color);font-weight:700}.question-subject{color:var(--secondary-color);background-color:#e8f4fc;border-radius:20px;padding:5px 12px;font-size:.9rem}.board-badge{color:#fff;background-color:#f60;border-radius:3px;margin-left:5px;padding:2px 8px;font-size:.8rem}.question-difficulty{border-radius:20px;padding:5px 12px;font-size:.9rem;font-weight:600}.question-difficulty.easy{color:#27ae60;background-color:#d5f4e6}.question-difficulty.medium{color:#f39c12;background-color:#fef9e7}.question-difficulty.hard{color:#e74c3c;background-color:#fdeaea}.question-timer{color:var(--primary-color);align-items:center;gap:8px;font-weight:700;display:flex}.question-body{padding:30px}.question-text{color:#1f2d3d;max-width:78ch;margin-bottom:30px;margin-left:auto;margin-right:auto;font-size:1.06rem;line-height:1.85}.question-image{text-align:center;margin:20px 0}.question-image img{border-radius:var(--border-radius);max-width:100%;box-shadow:var(--box-shadow)}.question-options{padding:0 30px 20px}.option{border-radius:var(--border-radius);cursor:pointer;transition:var(--transition);background-color:#f8f9fa;border:2px solid #0000;margin-bottom:12px;padding:15px 20px;position:relative}.option:hover{border-color:var(--secondary-color);background-color:#e8f4fc}.option input[type=radio]{display:none}.option-label{cursor:pointer;align-items:flex-start;gap:15px;display:flex}.option-letter{color:var(--primary-color);background-color:#dfe6e9;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-weight:700;display:flex}.option-text{flex:1;padding-top:4px;font-size:.98rem;line-height:1.6}.option.correct{background-color:#d5f4e6;border-color:#27ae60}.option.correct .option-letter{color:#fff;background-color:#27ae60}.option.incorrect{background-color:#fdeaea;border-color:#e74c3c}.option.incorrect .option-letter{color:#fff;background-color:#e74c3c}.question-feedback{border-radius:var(--border-radius);background-color:#f8f9fa;margin:0 30px 30px;padding:20px}.feedback-content{flex-direction:column;gap:15px;display:flex}.feedback-content h4{border-radius:var(--border-radius);padding:10px 15px;font-size:1.2rem}.feedback-content h4.correct{color:#27ae60;background-color:#d5f4e6}.feedback-content h4.incorrect{color:#e74c3c;background-color:#fdeaea}.correct-answer,.explanation{border-radius:var(--border-radius);background-color:#fff;border-left:4px solid;padding:15px}.correct-answer{border-left-color:var(--success-color)}.explanation{border-left-color:var(--secondary-color)}.question-actions{background-color:#f8f9fa;border-top:1px solid #ecf0f1;justify-content:space-between;padding:20px 30px;display:flex}.dashboard-container{padding:20px}.dashboard-card{border-radius:var(--border-radius);box-shadow:var(--box-shadow);background-color:#fff;overflow:hidden}.dashboard-header{color:#fff;text-align:center;background:linear-gradient(135deg,#2c3e50 0%,#3498db 100%);border-radius:30px;padding:30px}.dashboard-header h2{margin-bottom:10px}.dashboard-stats{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;padding:30px;display:grid}.stat-card{border-radius:var(--border-radius);transition:var(--transition);background-color:#f8f9fa;align-items:center;gap:15px;padding:20px;display:flex}.stat-card:hover{box-shadow:var(--box-shadow);transform:translateY(-5px)}.stat-card.total{border-left:4px solid var(--secondary-color)}.stat-card.correct{border-left:4px solid var(--success-color)}.stat-card.wrong{border-left:4px solid var(--danger-color)}.stat-card.percentage{border-left:4px solid var(--warning-color)}.stat-icon{background-color:#fff;border-radius:50%;justify-content:center;align-items:center;width:50px;height:50px;font-size:1.5rem;display:flex}.stat-card.total .stat-icon{color:var(--secondary-color);background-color:#e8f4fc}.stat-card.correct .stat-icon{color:var(--success-color);background-color:#d5f4e6}.stat-card.wrong .stat-icon{color:var(--danger-color);background-color:#fdeaea}.stat-card.percentage .stat-icon{color:var(--warning-color);background-color:#fef9e7}.stat-content h3{margin-bottom:5px;font-size:2rem}.dashboard-charts{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;padding:0 30px 30px;display:grid}.chart-container{border-radius:var(--border-radius);box-shadow:var(--box-shadow);background-color:#fff;padding:20px}.chart-container h3{color:var(--primary-color);margin-bottom:20px}.chart{width:100%;height:250px}.dashboard-recommendations{padding:0 30px 30px}.recommendations-list{flex-direction:column;gap:15px;display:flex}.recommendation-item{border-radius:var(--border-radius);border-left:4px solid var(--secondary-color);background-color:#f8f9fa;align-items:flex-start;gap:15px;padding:15px;display:flex}.recommendation-item i{margin-top:2px;font-size:1.2rem}.dashboard-actions{background-color:#f8f9fa;justify-content:center;gap:20px;padding:30px;display:flex}.sidebar{flex-direction:column;gap:20px;display:flex}.sidebar-card{border-radius:var(--border-radius);box-shadow:var(--box-shadow);background-color:#fff;padding:25px}.sidebar-card h3{color:var(--primary-color);align-items:center;gap:10px;margin-bottom:20px;display:flex}.tips-list{flex-direction:column;gap:10px;list-style:none;display:flex}.tips-list li{border-radius:var(--border-radius);border-left:3px solid var(--secondary-color);background-color:#f8f9fa;padding:10px 15px}.subjects-list,.ranking-list{flex-direction:column;gap:10px;display:flex}.subject-item,.ranking-item{border-radius:var(--border-radius);transition:var(--transition);background-color:#f8f9fa;justify-content:space-between;align-items:center;padding:12px 15px;display:flex}.subject-item:hover,.ranking-item:hover{background-color:#e8f4fc}.ranking-item{grid-template-columns:40px 1fr 60px;gap:10px;display:grid}.rank{color:var(--secondary-color);font-weight:700}.score{color:var(--success-color);text-align:right;font-weight:700}.achievements-list{flex-direction:column;gap:10px;max-height:300px;padding-right:6px;display:flex;overflow-y:auto}.achievement{border-radius:var(--border-radius);opacity:.7;transition:var(--transition);background-color:#f8f9fa;align-items:center;gap:15px;padding:15px;display:flex}.achievement.unlocked{opacity:1;border-left:4px solid var(--success-color);background-color:#e8f4fc}.achievement.locked{filter:grayscale()}.achievement-icon{background-color:#fff;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.2rem;display:flex}.achievement.unlocked .achievement-icon{background-color:var(--success-color);color:#fff}.achievement-info h4{margin-bottom:5px}.achievement-info p{color:var(--gray-color);font-size:.9rem}.unlock-icon{color:var(--success-color)}.lock-icon{color:var(--gray-color)}.review-section{margin-top:15px}.review-list{flex-direction:column;gap:10px;max-height:300px;display:flex;overflow-y:auto}.review-item{border-radius:var(--border-radius);border-left:4px solid var(--danger-color);background-color:#f8f9fa;justify-content:space-between;align-items:center;padding:12px 15px;display:flex}.review-question h4{color:var(--primary-color);margin-bottom:5px;font-size:.9rem}.review-question p{color:var(--gray-color);margin-bottom:8px;font-size:.85rem}.review-answers{gap:15px;font-size:.85rem;display:flex}.user-answer,.correct-answer{border-radius:4px;padding:3px 8px;font-weight:600}.user-answer.incorrect{color:var(--danger-color);background-color:#fdeaea}.correct-answer.correct{color:var(--success-color);background-color:#d5f4e6}.review-btn{padding:6px 12px;font-size:.85rem}.no-review{text-align:center;color:var(--gray-color);padding:30px 20px}.no-review i{color:var(--success-color);margin-bottom:15px;font-size:3rem}.time-options{flex-direction:column;gap:15px;display:flex}.time-selector label{color:var(--primary-color);font-weight:600}.ranking-global{width:100%}.ranking-global table{border-collapse:collapse;width:100%}.ranking-global th,.ranking-global td{text-align:left;border-bottom:1px solid #ecf0f1;padding:12px 15px}.ranking-global th{color:var(--primary-color);background-color:#f8f9fa;font-weight:600}.ranking-global tr:hover{background-color:#f8f9fa}.ranking-global tr.current-rank{background-color:#e8f4fc;font-weight:600}.ranking-badge{color:#fff;border-radius:4px;padding:4px 8px;font-size:.85rem;font-weight:600;display:inline-block}.achievement-notification{border-radius:var(--border-radius);z-index:1000;border-left:5px solid var(--success-color);background-color:#fff;align-items:center;gap:15px;max-width:400px;padding:20px;animation:.3s slideIn;display:flex;position:fixed;top:20px;right:20px;box-shadow:0 5px 20px #00000026}@keyframes slideIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.achievement-notification .achievement-icon{background-color:var(--success-color);color:#fff;width:50px;height:50px;font-size:1.5rem}.achievement-notification .achievement-content h4{color:var(--gray-color);margin-bottom:5px;font-size:.9rem}.achievement-notification .achievement-content h3{color:var(--primary-color);margin-bottom:5px}.modal{z-index:2000;background-color:#00000080;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-content{border-radius:var(--border-radius);background-color:#fff;width:100%;max-width:500px;max-height:90vh;animation:.3s fadeIn;overflow-y:auto}@keyframes fadeIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.modal-header{border-bottom:1px solid #ecf0f1;justify-content:space-between;align-items:center;padding:20px;display:flex}.modal-header h3{color:var(--primary-color)}.close-modal{cursor:pointer;color:var(--gray-color);background:0 0;border:none;font-size:1.5rem}.modal-body{padding:20px}.modal-footer{border-top:1px solid #ecf0f1;justify-content:flex-end;gap:10px;padding:20px;display:flex}.form-group{margin-bottom:20px}.form-group label{color:var(--primary-color);margin-bottom:8px;font-weight:600;display:block}.form-control{border-radius:var(--border-radius);width:100%;transition:var(--transition);border:2px solid #ecf0f1;padding:12px 15px;font-size:1rem}.form-control:focus{border-color:var(--secondary-color);outline:none}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.pulse{animation:1s infinite pulse}.no-questions-message{text-align:center;padding:50px 30px}.no-questions-message h3{color:var(--primary-color);margin-bottom:15px}.no-questions-message p{color:var(--gray-color);margin-bottom:20px}.site-footer{color:#fff;background-color:#2c5576;margin-top:50px;padding:40px 0 20px}.footer-container{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:40px;margin-bottom:30px;display:grid}.footer-column h4{color:var(--light-color);margin-bottom:20px}.footer-column ul{list-style:none}.footer-column ul li{margin-bottom:10px}.footer-column a{color:#ecf0f1;transition:var(--transition);text-decoration:none}.footer-column a:hover{color:#fff}.footer-column i{width:20px;margin-right:10px}.copyright{text-align:center;color:#bdc3c7;border-top:1px solid #ffffff1a;padding-top:20px;font-size:.9rem}@media (max-width:992px){.main-content{grid-template-columns:1fr}.dashboard-stats{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.header-container{flex-direction:column;gap:15px}nav ul{flex-wrap:wrap;justify-content:center;gap:15px}.status-container{text-align:center;flex-direction:column;gap:15px}.progress-info{text-align:center;flex-direction:column;gap:20px}.progress-stats{flex-wrap:wrap;justify-content:center}.filters-grid{grid-template-columns:1fr}.filter-actions{flex-direction:column}.question-actions{flex-direction:column;gap:10px}.dashboard-stats,.dashboard-charts{grid-template-columns:1fr}.dashboard-actions{flex-direction:column}.footer-container{text-align:center;grid-template-columns:1fr}}@media (max-width:480px){.question-meta{flex-direction:column;align-items:flex-start;gap:10px}.question-header{flex-direction:column;align-items:flex-start;gap:15px}.question-body,.question-options,.question-feedback,.question-actions{padding:20px}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1;border-radius:4px}::-webkit-scrollbar-thumb{background:var(--secondary-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#2980b9}.content-filters{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:linear-gradient(135deg,#fff 0%,#f8fafc 100%);border:1px solid #ffffff4d;border-radius:20px;margin:20px auto;padding:30px;box-shadow:0 8px 30px #00000014}@supports ((-webkit-backdrop-filter:blur(10px)) or (backdrop-filter:blur(10px))){.content-filters{background:linear-gradient(135deg,#fffffff2 0%,#f8fafcf2 100%)}}.filters-container h3{color:#2c3e50;border-bottom:2px solid #e8f4fc;align-items:center;gap:12px;margin-bottom:25px;padding-bottom:15px;font-size:1.4rem;font-weight:700;display:flex}.filters-container h3 i{color:#0000;background:linear-gradient(135deg,#3498db,#2980b9);-webkit-background-clip:text;background-clip:text;font-size:1.3em;display:inline-block}.filters-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:25px;margin-bottom:30px;display:grid}.filter-group{position:relative}.filter-group label{color:#2c3e50;align-items:center;gap:10px;margin-bottom:12px;font-size:.95rem;font-weight:600;transition:all .3s;display:flex}.filter-group label i{color:#3498db;background:linear-gradient(135deg,#3498db1a,#2980b91a);border-radius:6px;justify-content:center;align-items:center;width:24px;height:24px;padding:5px;display:flex}.filter-select{color:#2c3e50;appearance:none;cursor:pointer;background-color:#fff;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%233498db' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");background-position:right 15px center;background-repeat:no-repeat;background-size:16px;border:2px solid #e1e8ed;border-radius:12px;width:100%;padding:14px 45px 14px 15px;font-size:1rem;transition:all .3s;box-shadow:0 2px 5px #0000000d}.filter-select:hover{border-color:#3498db;transform:translateY(-2px);box-shadow:0 4px 12px #3498db26}.filter-select:focus{outline:2px solid var(--secondary-color);outline-offset:2px;border-color:var(--secondary-color);box-shadow:0 4px 15px #2980b940}@supports selector(:focus-visible){.filter-select:focus{outline:none}.filter-select:focus-visible{outline:2px solid var(--secondary-color);outline-offset:2px}}.filter-select option{padding:10px;font-size:.95rem}.filter-group:first-child .filter-select{border-left:4px solid #3498db}.filter-group:nth-child(2) .filter-select{border-left:4px solid #9b59b6}.filter-group:nth-child(3) .filter-select{border-left:4px solid #2ecc71}.filter-group:nth-child(4) .filter-select{border-left:4px solid #e74c3c}.filter-actions{border-top:1px solid #f0f4f8;gap:15px;margin-bottom:25px;padding-top:20px;display:flex}#resetFiltersBtn{color:#fff;background:linear-gradient(135deg,#95a5a6,#7f8c8d);border:none;border-radius:12px;flex:1;justify-content:center;align-items:center;gap:10px;padding:14px 20px;font-weight:600;transition:all .3s;display:flex}#applyFiltersBtn{color:#fff;background:linear-gradient(135deg,#3498db,#2980b9);border:none;border-radius:12px;flex:1;justify-content:center;align-items:center;gap:10px;padding:14px 20px;font-weight:600;transition:all .3s;display:flex}#randomQuestionBtn{color:#fff;background:linear-gradient(135deg,#e74c3c,#c0392b);border:none;border-radius:12px;flex:1;justify-content:center;align-items:center;gap:10px;padding:14px 20px;font-weight:600;transition:all .3s;display:flex}#resetFiltersBtn:not(:disabled):hover,#applyFiltersBtn:not(:disabled):hover,#randomQuestionBtn:not(:disabled):hover{transform:translateY(-3px);box-shadow:0 6px 15px #00000026}#resetFiltersBtn:not(:disabled):hover{background:linear-gradient(135deg,#7f8c8d,#6c7a7d)}#applyFiltersBtn:not(:disabled):hover{background:linear-gradient(135deg,#2980b9,#2573a7)}#randomQuestionBtn:not(:disabled):hover{background:linear-gradient(135deg,#c0392b,#a93226)}.filter-info{background:linear-gradient(135deg,#e8f4fc,#d6eaf8);border-left:4px solid #3498db;border-radius:12px;padding:20px;font-size:1rem;line-height:1.6}#filterInfo{color:#2c3e50}#filterInfo strong{color:#2980b9;font-weight:700}#currentFilters{color:#5d6d7e;background:#ffffffb3;border-radius:8px;margin-top:5px;padding:8px 12px;font-size:.95rem;font-weight:500;display:inline-block}.session-progress{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:linear-gradient(135deg,#fff 0%,#f8fafc 100%);border:1px solid #ffffff4d;border-radius:20px;margin:20px auto;padding:30px;box-shadow:0 8px 30px #00000014}@supports ((-webkit-backdrop-filter:blur(10px)) or (backdrop-filter:blur(10px))){.session-progress{background:linear-gradient(135deg,#fffffff2 0%,#f8fafcf2 100%)}}.progress-info{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.progress-text h3{color:#0000;background:linear-gradient(135deg,#2c3e50,#3498db);-webkit-background-clip:text;background-clip:text;margin-bottom:8px;font-size:1.5rem;font-weight:700;display:inline-block}#progressDescription{color:#7f8c8d;font-size:1rem;font-weight:500}.progress-stats{background:#fff;border-radius:15px;gap:30px;padding:15px 25px;display:flex;box-shadow:0 4px 15px #0000000d}.stat{text-align:center;min-width:90px}.stat-label{color:#95a5a6;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:.9rem;font-weight:600;display:block}.stat-value{color:#2c3e50;font-size:1.8rem;font-weight:800;display:block}.stat-value.correct{color:#27ae60;position:relative}.stat-value.correct:after{content:"✓";color:#27ae60;font-size:1.2rem;position:absolute;top:50%;right:-1px;transform:translateY(-50%)}.stat-value.wrong{color:#e74c3c;position:relative}.stat-value.wrong:after{content:"✗";color:#e74c3c;font-size:1.2rem;position:absolute;top:50%;right:-1px;transform:translateY(-50%)}.progress-bar{background:linear-gradient(135deg,#ecf0f1,#dfe6e9);border-radius:10px;height:10px;overflow:hidden;box-shadow:inset 0 2px 5px #0000001a}.progress-fill{background:linear-gradient(90deg,#3498db 0%,#2ecc71 100%);border-radius:10px;width:0%;height:100%;transition:width .8s cubic-bezier(.34,1.56,.64,1);position:relative;overflow:hidden}.progress-fill:after{content:"";z-index:1;background-image:linear-gradient(-45deg,#fff3 25%,#0000 25% 50%,#fff3 50% 75%,#0000 75%,#0000);background-size:3.125rem 3.125rem;animation:2s linear infinite move;position:absolute;inset:0}@keyframes move{0%{background-position:0 0}to{background-position:3.125rem 3.125rem}}@media (max-width:768px){.filters-grid{grid-template-columns:1fr}.filter-actions{flex-direction:column}.progress-info{text-align:center;flex-direction:column;gap:20px}.progress-stats{flex-wrap:wrap;justify-content:center;width:100%}.stat{min-width:80px}}@media (max-width:480px){.content-filters,.session-progress{border-radius:15px;padding:20px 15px}.filters-grid{gap:20px}.progress-stats{gap:20px;padding:12px 15px}.stat-value{font-size:1.5rem}}.filter-group:before{content:"";opacity:0;pointer-events:none;background:linear-gradient(135deg,#3498db1a,#0000);border-radius:12px;transition:opacity .3s;position:absolute;inset:0}.filter-group:hover:before{opacity:1}.filter-group:first-child:after{content:"👩‍⚕️";opacity:.5;pointer-events:none;font-size:1.2rem;position:absolute;top:45px;right:15px}.filter-group:nth-child(2):after{content:"🏛️";opacity:.5;pointer-events:none;font-size:1.2rem;position:absolute;top:45px;right:15px}.filter-group:nth-child(3):after{content:"📚";opacity:.5;pointer-events:none;font-size:1.2rem;position:absolute;top:45px;right:15px}.filter-group:nth-child(4):after{content:"📊";opacity:.5;pointer-events:none;font-size:1.2rem;position:absolute;top:45px;right:15px}:focus-visible{outline:2px solid var(--secondary-color);outline-offset:2px}.content-filters,.session-progress,.question-container{width:100%;max-width:1250px;margin-left:auto;margin-right:auto}.logo{align-items:center;gap:15px;min-width:200px;text-decoration:none;display:flex}.logo-icon{color:#fff;background:linear-gradient(135deg,#2196f3 0%,#f2f2f3 100%);border-radius:12px;justify-content:center;align-items:center;width:70px;height:50px;font-size:1.8rem;display:flex;position:relative;overflow:hidden;box-shadow:0 4px 15px #2196f34d}.logo-text{flex-direction:column;display:flex}.logo-main{color:#1a237e;letter-spacing:-.5px;margin-left:15px;font-size:1.6rem;font-weight:800;line-height:1.1}.logo-sub{color:#666;letter-spacing:1.2px;text-transform:uppercase;opacity:.8;margin-top:2px;margin-left:15px;font-size:.7rem;font-weight:500}.main-nav{flex:1;justify-content:center;max-width:1000px;margin:0 auto;display:flex}.nav-list{background:#fff;border:1px solid #00000014;border-radius:60px;align-items:center;gap:0;width:100%;height:56px;margin:0 10px 0 0;padding:6px 20px;list-style:none;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;box-shadow:0 4px 25px #0000001a}.nav-list:hover{box-shadow:0 4px 25px #0000001f}.nav-link{color:#555;background:0 0;border-radius:40px;align-items:center;gap:10px;margin:0 2px;padding:14px 30px;font-size:.95rem;font-weight:600;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:relative;overflow:hidden}.nav-link i{color:#6c757d;text-align:center;width:20px;font-size:1.1rem;transition:all .3s}.nav-link span{transition:all .3s}.nav-link.active{color:#fff;letter-spacing:-.2px;background:linear-gradient(135deg,#2196f3 0%,#1976d2 100%);height:55px;font-weight:700;animation:2s infinite pulse-glow;position:relative;box-shadow:0 4px 12px #2196f34d}@keyframes pulse-glow{0%,to{box-shadow:0 4px 12px #2196f34d}50%{box-shadow:0 4px 20px #2196f380}}.nav-item:not(:last-child):after{content:"•";color:#dee2e6;opacity:.6;pointer-events:none;font-size:.7rem;position:absolute;top:50%;right:-7px;transform:translateY(-50%)}.user-area{align-items:center;gap:15px;display:flex;position:relative}.notification-bell{cursor:pointer;color:#555;background:#f5f5f5;border-radius:999px;justify-content:center;align-items:center;width:40px;height:40px;margin-left:10px;font-size:1.2rem;transition:all .3s;display:flex;position:relative}.notification-bell:hover{color:#2196f3;background:#e3f2fd;transform:rotate(15deg)}.user-profile{cursor:pointer;z-index:10002;background:linear-gradient(135deg,#f8f9fa 0%,#e9ecef 100%);border:2px solid #0000;border-radius:30px;align-items:center;gap:6px;height:80px;margin-right:20px;padding:1px 10px;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:relative}.user-avatar{color:#fff;background:linear-gradient(135deg,#2196f3 0%,#1976d2 100%);border:3px solid #fff;border-radius:50%;justify-content:center;align-items:center;width:42px;height:42px;font-size:1.2rem;font-weight:700;display:flex;position:relative;overflow:hidden;box-shadow:0 4px 12px #2196f34d}.user-info{flex-direction:column;display:flex}.user-name{color:#333;font-size:.95rem;font-weight:700;line-height:1.2}.user-level{color:#666;align-items:center;gap:4px;font-size:.8rem;display:flex}.level-badge{color:#fff;background:linear-gradient(45deg,gold,orange);border-radius:10px;width:70px;height:25px;padding:2px 1px;font-size:.7rem;font-weight:700}.dropdown-icon{color:#777;font-size:.9rem}.user-dropdown{opacity:0;visibility:hidden;z-index:10003;background:#fff;border:1px solid #e0e0e0;border-radius:15px;width:250px;transition:all .3s cubic-bezier(.4,0,.2,1);position:absolute;top:calc(100% + 10px);right:0;overflow:hidden;transform:translateY(-10px);box-shadow:0 10px 40px #00000026}.dropdown-header{color:#fff;text-align:center;background:linear-gradient(135deg,#2196f3 0%,#1976d2 100%);padding:20px}.dropdown-avatar{color:#2196f3;background:#fff;border:3px solid #fff;border-radius:50%;justify-content:center;align-items:center;width:60px;height:60px;margin:0 auto 10px;font-size:1.5rem;font-weight:700;display:flex;box-shadow:0 4px 12px #0003}.dropdown-name{margin-bottom:5px;font-size:1.1rem;font-weight:700}.dropdown-email{opacity:.9;font-size:.85rem}.dropdown-rank{opacity:.9;font-size:.85rem;font-weight:700}.dropdown-menu{margin:0;padding:10px 0;list-style:none}.dropdown-menu li{border-bottom:1px solid #f5f5f5}.dropdown-menu li:last-child{border-bottom:none}.dropdown-menu a{color:#555;align-items:center;gap:12px;padding:12px 20px;text-decoration:none;transition:all .3s;display:flex}.dropdown-menu a:hover{color:#2196f3;background:#f5f5f5;padding-left:25px}.dropdown-menu i{text-align:center;color:#777;width:20px}.dropdown-menu a:hover i{color:#2196f3}.dropdown-divider{background:#f0f0f0;height:1px;margin:10px 0}@media (max-width:1024px){.nav-list{gap:0;padding:6px}.nav-link{padding:12px 20px;font-size:.9rem}.nav-link i{font-size:1rem}.logo-main{font-size:1.4rem}}@media (max-width:768px){.header-container{flex-direction:column;align-items:center;gap:25px;min-height:auto;padding:25px!important}.main-nav{-webkit-overflow-scrolling:touch;justify-content:flex-start;width:100%;padding:10px 0;overflow-x:auto}.nav-list{min-width:max-content;height:48px;margin:0 10px;padding:4px}.nav-link span{font-size:.85rem;display:inline}.nav-link{padding:10px 16px}.nav-link i{margin-right:5px;font-size:.9rem}.nav-item:not(:last-child):after,.nav-link.active:after{display:none}.logo{min-width:auto}.user-profile .user-info{display:flex}.user-profile{padding:8px 12px}}@media (max-width:480px){.nav-link span{display:none}.nav-link{padding:12px 15px}.nav-link i{margin-right:0;font-size:1rem}.user-profile .user-info{display:none}.user-profile{padding:8px}.notification-bell{width:36px;height:36px;font-size:1rem}}.progress-dashboard{margin:30px auto}.dashboard-header{text-align:center;margin-bottom:40px}.dashboard-header h1{color:#fff;justify-content:center;align-items:center;gap:15px;margin-bottom:10px;font-size:2.5rem;display:flex}.dashboard-header p{color:#fff;font-size:1.1rem}.dashboard-cards{grid-template-columns:2fr 1fr;gap:30px;margin-bottom:40px;display:grid}@media (max-width:992px){.dashboard-cards{grid-template-columns:1fr}}.progress-card{border-radius:var(--border-radius);box-shadow:var(--box-shadow);background:#fff;padding:30px}.progress-card.main-card{background:linear-gradient(135deg,#f8fafc 0%,#e8f4fc 100%)}.progress-card-header{border-bottom:2px solid #0000000d;justify-content:space-between;align-items:center;margin-bottom:25px;padding-bottom:15px;display:flex}.progress-card-header h3{color:var(--primary-color);align-items:center;gap:10px;display:flex}.last-updated{color:var(--gray-color);font-size:.9rem}.progress-stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:30px;display:grid}.progress-stat{border-radius:var(--border-radius);background:#fff;align-items:center;gap:15px;padding:20px;display:flex;box-shadow:0 2px 10px #0000000d}.stat-icon{background:var(--light-color);width:50px;height:50px;color:var(--secondary-color);border-radius:12px;justify-content:center;align-items:center;font-size:1.5rem;display:flex}.stat-info{flex:1}.stat-label{color:var(--gray-color);margin-bottom:5px;font-size:.9rem;display:block}.stat-value{color:var(--primary-color);font-size:2rem;font-weight:800;line-height:1;display:block}.stat-subtext{color:var(--secondary-color);margin-top:5px;font-size:.85rem;display:block}.progress-bar-container{margin-top:20px}.progress-labels{color:var(--gray-color);justify-content:space-between;margin-top:10px;font-size:.9rem;display:flex}.time-stats{grid-template-columns:repeat(2,1fr);gap:15px;margin-bottom:20px;display:grid}.time-stat{text-align:center;background:var(--light-color);border-radius:var(--border-radius);padding:15px}.time-icon{color:var(--secondary-color);margin-bottom:10px;font-size:1.5rem}.time-value{color:var(--primary-color);margin-bottom:5px;font-size:1.8rem;font-weight:700;line-height:1;display:block}.time-label{color:var(--gray-color);font-size:.9rem;display:block}.progress-chart{width:100%;height:200px;margin-top:20px}.detailed-stats{margin:40px auto}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:30px;display:grid}@media (max-width:768px){.stats-grid{grid-template-columns:1fr}}.stat-chart-card{border-radius:var(--border-radius);box-shadow:var(--box-shadow);background:#fff;padding:25px}.chart-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.chart-header h3{color:var(--primary-color);align-items:center;gap:10px;font-size:1.1rem;display:flex}.chart-filter{border:2px solid var(--light-color);border-radius:var(--border-radius);background:#fff;padding:8px 15px;font-size:.9rem}.detailed-chart{width:100%;height:250px}.activity-history{border-radius:var(--border-radius);box-shadow:var(--box-shadow);background:#fff;margin:40px auto;padding:30px}.section-header{border-bottom:2px solid var(--light-color);justify-content:space-between;align-items:center;margin-bottom:30px;padding-bottom:20px;display:flex}.section-header h2{color:var(--primary-color);align-items:center;gap:10px;display:flex}.activity-filters{flex-wrap:wrap;gap:20px;margin-bottom:30px;display:flex}.activity-filters .filter-group{flex:1;min-width:200px}.activity-filters label{color:var(--primary-color);margin-bottom:8px;font-weight:600;display:block}.activity-list-container{max-height:500px;padding-right:10px;overflow-y:auto}.activity-list{flex-direction:column;gap:15px;display:flex}.activity-item{background:var(--light-color);border-radius:var(--border-radius);border-left:4px solid var(--secondary-color);transition:var(--transition);gap:20px;padding:20px;display:flex}.activity-item:hover{transform:translateY(-2px);box-shadow:0 4px 15px #0000001a}.activity-item.question{border-left-color:#3498db}.activity-item.simulated{border-left-color:#9b59b6}.activity-item.review{border-left-color:#e74c3c}.activity-icon{width:50px;height:50px;color:var(--secondary-color);background:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:1.2rem;display:flex}.activity-item.question .activity-icon{color:#3498db;background:#e8f4fc}.activity-item.simulated .activity-icon{color:#9b59b6;background:#f4e8fc}.activity-item.review .activity-icon{color:#e74c3c;background:#fce8e8}.activity-content{flex:1}.activity-header{justify-content:space-between;align-items:flex-start;margin-bottom:10px;display:flex}.activity-header h4{color:var(--primary-color);font-size:1.1rem}.activity-time{color:var(--gray-color);background:#fff;border-radius:12px;padding:3px 8px;font-size:.9rem}.activity-content p{color:var(--gray-color);margin-bottom:10px;line-height:1.5}.activity-footer{justify-content:space-between;align-items:center;font-size:.9rem;display:flex}.activity-date{color:var(--gray-color)}.activity-points{background:var(--success-color);color:#fff;border-radius:12px;padding:3px 10px;font-weight:600}.no-activities{text-align:center;padding:60px 20px}.no-activities i{color:var(--gray-color);margin-bottom:20px;font-size:4rem}.no-activities h3{color:var(--primary-color);margin-bottom:10px}.no-activities p{color:var(--gray-color);margin-bottom:20px}.load-more-container{text-align:center;border-top:1px solid var(--light-color);margin-top:30px;padding-top:20px}.goals-section{border-radius:var(--border-radius);box-shadow:var(--box-shadow);background:#fff;margin:40px auto;padding:30px}.goals-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:25px;display:grid}.goal-card{background:var(--light-color);border-radius:var(--border-radius);transition:var(--transition);border:2px solid #0000;padding:25px}.goal-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px #0000001a}.add-goal-card{border:2px dashed var(--light-color);cursor:pointer;background:#fff;justify-content:center;align-items:center;display:flex}.add-goal-card:hover{border-color:var(--secondary-color);background:#f8fafc}.add-goal-content{text-align:center;color:var(--secondary-color)}.add-goal-content i{margin-bottom:10px;font-size:2.5rem;display:block}.add-goal-content span{font-size:1.1rem;font-weight:600}.goal-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.goal-header h4{color:var(--primary-color);align-items:center;gap:10px;display:flex}.goal-badge{border-radius:20px;padding:4px 10px;font-size:.8rem;font-weight:600}.goal-badge.active{color:var(--secondary-color);background:#e8f4fc}.goal-badge.completed{color:var(--success-color);background:#d5f4e6}.goal-progress{margin-top:15px}.goal-info{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.goal-label{color:var(--gray-color);font-size:.9rem}.goal-value{color:var(--primary-color);font-weight:600}.goal-progress .progress-bar{background:#0000001a;border-radius:4px;height:8px;margin-bottom:15px;overflow:hidden}.goal-progress .progress-fill{background:linear-gradient(90deg,var(--secondary-color),var(--success-color));height:100%;transition:width .5s}.goal-time{color:var(--gray-color);align-items:center;gap:8px;font-size:.9rem;display:flex}.achievements-section{border-radius:var(--border-radius);box-shadow:var(--box-shadow);background:#fff;margin:40px auto;padding:30px}.achievement-count{background:var(--secondary-color);color:#fff;border-radius:20px;padding:5px 15px;font-weight:600}.achievements-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px;margin-top:30px;display:grid}.achievement-card{background:var(--light-color);border-radius:var(--border-radius);transition:var(--transition);border-left:4px solid #0000;align-items:center;gap:15px;padding:20px;display:flex}.achievement-card.unlocked{border-left-color:var(--success-color);background:#f8fdfa}.achievement-card.locked{opacity:.7;filter:grayscale(.3)}.achievement-card:hover{transform:translateY(-3px);box-shadow:0 4px 15px #0000001a}.achievement-icon{width:50px;height:50px;color:var(--secondary-color);background:#fff;border-radius:12px;justify-content:center;align-items:center;font-size:1.5rem;display:flex}.achievement-card.unlocked .achievement-icon{background:var(--success-color);color:#fff}.achievement-info{flex:1}.achievement-info h4{color:var(--primary-color);margin-bottom:5px;font-size:1rem}.achievement-info p{color:var(--gray-color);font-size:.85rem;line-height:1.4}.achievement-status{font-size:1.2rem}@media (max-width:768px){.dashboard-header h1{font-size:2rem}.progress-stats-grid,.time-stats{grid-template-columns:1fr}.activity-filters{flex-direction:column}.activity-filters .filter-group{min-width:100%}.goals-grid,.achievements-grid{grid-template-columns:1fr}}@media (max-width:480px){.progress-card,.activity-history,.goals-section,.achievements-section{padding:20px}.activity-item{flex-direction:column;gap:15px}.activity-icon{width:40px;height:40px;font-size:1rem}}.subject-item,.achievement,.review-item,.review-btn,.ranking-global tbody tr{cursor:pointer}.subject-item:focus-visible,.achievement:focus-visible,.review-btn:focus-visible,.status-btn:focus-visible,.btn:focus-visible,.nav-link:focus-visible{outline:2px solid var(--secondary-color);outline-offset:3px}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.sidebar-panels{display:none}.sidebar.is-open .sidebar-panels{animation:.18s sidebarPanelsIn;display:flex}@keyframes sidebarPanelsIn{0%{opacity:0;transform:translate(10px)}to{opacity:1;transform:translate(0)}}.review-section a.btn{border-radius:14px}.btn-outline{color:var(--primary-color);background:#ffffffe6;border:1px solid #0000001a}.btn-outline:hover{background:#ecf0f1e6}.btn-sm{border-radius:14px;padding:10px 12px;font-size:.88rem}.timer-settings-btn{width:38px;height:38px;box-shadow:var(--box-shadow);cursor:pointer;transition:var(--transition);background:#ffffffe6;border:1px solid #0000001a;border-radius:14px;justify-content:center;align-items:center;margin-left:10px;display:inline-flex}.timer-settings-btn:hover{transform:translateY(-1px)}.main-content{grid-template-columns:1fr}.sidebar{z-index:1300;flex-direction:row-reverse;align-items:flex-start;gap:12px;width:auto;display:flex;position:fixed;top:120px;right:18px}.sidebar-mini-menu{box-shadow:var(--box-shadow);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffffe0;border:1px solid #00000014;border-radius:20px;flex-direction:column;gap:10px;padding:12px;display:flex}.mini-menu-btn,.mini-menu-link{width:48px;height:48px;color:var(--primary-color);cursor:pointer;transition:var(--transition);background:#ecf0f199;border:1px solid #0000000f;border-radius:18px;justify-content:center;align-items:center;text-decoration:none;display:inline-flex}.mini-menu-btn:hover,.mini-menu-link:hover{background:#ecf0f1e6;transform:translateY(-1px)}.mini-menu-btn.active{background:linear-gradient(135deg,#3498db2e,#e74c3c24);border-color:#3498db40;box-shadow:0 10px 28px #3498db33}.sidebar-panels{width:340px}.sidebar-panel{display:none}.sidebar-panel.active{display:block}.sidebar .sidebar-card{border-radius:20px;padding:18px}@media (max-width:980px){.sidebar{flex-direction:column;align-items:flex-end;top:auto;bottom:12px;right:12px}.sidebar-panels{width:min(92vw,420px)}}.pomodoro-widget{background:linear-gradient(#3498db1a,#e74c3c0f);border:1px solid #0000000f;border-radius:18px;padding:14px}.pomodoro-status{text-transform:uppercase;letter-spacing:.08em;color:var(--gray-color);font-size:.78rem;font-weight:900}.pomodoro-time{color:var(--primary-color);margin:6px 0 10px;font-size:2.2rem;font-weight:900}.pomodoro-controls{align-items:center;gap:10px;display:flex}.pomodoro-meta{color:var(--gray-color);margin-top:10px;font-size:.9rem;font-weight:700}.pomodoro-blocktimer{border-top:1px solid #0000000f;margin-top:12px;padding-top:12px}.pomodoro-block-row{justify-content:space-between;align-items:center;gap:10px;display:flex}.pomodoro-block-row .label{color:var(--primary-color);font-size:.92rem;font-weight:800}.pomodoro-block-hint{color:var(--gray-color);margin-top:8px;font-weight:700}.ranking-overview{margin-bottom:14px}.sidebar.is-open .sidebar-panels{flex-direction:column;gap:12px;animation:.18s sidebarPanelsIn;display:flex}.sidebar .sidebar-panels{gap:12px;display:none}.sidebar.is-open .sidebar-panels{flex-direction:column;gap:12px;display:flex}.sidebar .sidebar-panel{display:none}.sidebar .sidebar-panel.active{animation:.18s panelFadeIn;display:block}@keyframes panelFadeIn{0%{opacity:0;transform:translate(6px)}to{opacity:1;transform:translate(0)}}.sidebar .sidebar-card{-webkit-backdrop-filter:blur(10px);background:radial-gradient(900px 220px at 0 0,#3498db29,#0000 55%),radial-gradient(900px 220px at 100% 0,#9b59b624,#0000 55%),#ffffffdb;border:1px solid #0000000f;border-radius:22px;padding:18px;position:relative;overflow:hidden;box-shadow:0 18px 40px #0000001a}.sidebar .sidebar-card:before{content:"";opacity:.65;background:linear-gradient(90deg,#3498dbd9,#9b59b6bf,#2ecc71b3);border-radius:999px;height:3px;position:absolute;top:10px;left:14px;right:14px}.sidebar .sidebar-card h3{color:var(--primary-color);letter-spacing:.06em;text-transform:uppercase;border-bottom:1px solid #0000000f;align-items:center;gap:10px;margin:0 0 14px;padding-bottom:12px;font-size:.95rem;font-weight:900;display:flex}.sidebar .sidebar-card h3 i{color:#fff;background:linear-gradient(135deg,var(--secondary-color),var(--accent-color));border-radius:14px;flex:none;justify-content:center;align-items:center;width:34px;height:34px;display:inline-flex;box-shadow:0 14px 30px #00000024,inset 0 0 0 1px #ffffff59}.sidebar .sidebar-card hr,.sidebar .sidebar-card .divider{background:#0000000f;border:none;height:1px;margin:14px 0}.sidebar .sidebar-card>:not(h3){margin-top:0}.sidebar .sidebar-card .no-review,.sidebar .sidebar-card .no-tips,.sidebar .sidebar-card .no-items{background:#ffffffb3;border:1px solid #0000000f;border-radius:18px;padding:14px}.sidebar .sidebar-panels{scrollbar-gutter:stable both-edges}.sidebar .sidebar-panels::-webkit-scrollbar{width:9px}.sidebar .sidebar-panels::-webkit-scrollbar-thumb{background:linear-gradient(#3498db40,#9b59b638);border:2px solid #ffffff8c;border-radius:999px}.sidebar .sidebar-panels::-webkit-scrollbar-track{background:0 0}@media (prefers-reduced-motion:reduce){.sidebar .sidebar-panel.active{animation:none!important}}.sidebar-panel[data-panel=ranking] .ranking-overview .rank-top{flex-wrap:wrap}.sidebar-panel[data-panel=ranking] .ranking-overview .rank-points-pill{margin-left:auto}.sidebar-panel[data-panel=ranking] .ranking-global{-webkit-overflow-scrolling:touch;padding-bottom:2px;overflow-x:auto}.sidebar-panel[data-panel=ranking] .ranking-global table{table-layout:fixed;width:100%;min-width:0}.sidebar-panel[data-panel=ranking] .ranking-global th,.sidebar-panel[data-panel=ranking] .ranking-global td{vertical-align:top;white-space:normal;word-break:break-word;padding:10px 8px}.sidebar-panel[data-panel=ranking] .ranking-global th{letter-spacing:.02em;font-size:.78rem}.rank-cell{align-items:center;gap:10px;min-width:0;display:flex}.rank-badge{color:#fff;background:linear-gradient(135deg,var(--rank-start,#3498db),var(--rank-end,#9b59b6));box-shadow:0 10px 18px var(--rank-glow,#3498db40);border:1px solid #ffffff38;border-radius:999px;align-items:center;gap:8px;padding:7px 9px;font-size:.78rem;font-weight:900;display:inline-flex}.rank-badge i{opacity:.95}.rank-title{flex-direction:column;gap:2px;min-width:0;display:flex}.rank-title .name{color:var(--primary-color);font-weight:900;line-height:1.1}.rank-title .range{color:var(--gray-color);font-size:.78rem;line-height:1.2}.rank-status{white-space:normal;background:#ffffffd6;border:1px solid #00000014;border-radius:999px;align-items:center;gap:7px;padding:7px 9px;font-size:.78rem;font-weight:900;line-height:1.2;display:inline-flex}.rank-status.current{color:var(--rank-end,var(--secondary-color));background:linear-gradient(135deg,#3498db1f,#9b59b61a);border-color:#3498db3d}.rank-status.done{color:#1e7e34;background:#2ecc711a;border-color:#2ecc7140}.rank-status.locked{color:#b02a37;background:#e74c3c14;border-color:#e74c3c2e}.user-profile{z-index:1400}.user-dropdown{z-index:1401}.sidebar{z-index:1500}.sidebar .sidebar-panels{width:auto}.sidebar .sidebar-panel{width:340px}.sidebar .sidebar-panel[data-panel=ranking]{width:460px}@media (max-width:1100px){.sidebar .sidebar-panel[data-panel=ranking]{width:420px}}@media (max-width:920px){.sidebar .sidebar-panel,.sidebar .sidebar-panel[data-panel=ranking]{width:100%}}.sidebar-panel[data-panel=ranking] .sidebar-card{background:radial-gradient(1200px 240px at 0 0,#f1c40f2e,#0000 60%),radial-gradient(1200px 240px at 100% 0,#e74c3c24,#0000 60%),radial-gradient(900px 220px at 50% 100%,#9b59b61a,#0000 55%),#ffffffe0;border:1px solid #0000000f;border-radius:26px;padding:20px;box-shadow:0 22px 52px #0000001f}.sidebar-panel[data-panel=ranking] .sidebar-card:before{opacity:.78;background:linear-gradient(90deg,#f1c40ff2,#e74c3cc7,#9b59b6b8,#3498dbd1)}.sidebar-panel[data-panel=ranking] .ranking-global{overflow-x:auto}.sidebar-panel[data-panel=ranking] .ranking-global table{table-layout:auto}.sidebar-panel[data-panel=ranking] .ranking-global th:first-child,.sidebar-panel[data-panel=ranking] .ranking-global td:first-child{width:14%}.sidebar-panel[data-panel=ranking] .ranking-global th:nth-child(2),.sidebar-panel[data-panel=ranking] .ranking-global td:nth-child(2){width:19%}.sidebar-panel[data-panel=ranking] .ranking-global th:nth-child(3),.sidebar-panel[data-panel=ranking] .ranking-global td:nth-child(3){width:13%}.sidebar-panel[data-panel=ranking] .ranking-global th:nth-child(4),.sidebar-panel[data-panel=ranking] .ranking-global td:nth-child(4){width:20%}.sidebar-panel[data-panel=ranking] .ranking-overview{background:radial-gradient(1000px 260px at 0 0,#f1c40f2e,#0000 60%),radial-gradient(900px 220px at 100% 0,#3498db24,#0000 55%),#ffffffdb;border-radius:22px}.content-filters{box-shadow:none;background:0 0;border:none;margin:18px auto;padding:0}.content-filters .container{border-radius:0}.content-filters .filters-container{-webkit-backdrop-filter:blur(10px);background:radial-gradient(1000px 240px at 0 0,#3498db1a,#0000 60%),radial-gradient(900px 220px at 100% 0,#9b59b614,#0000 55%),#ffffffdb;border:1px solid #0000000f;border-radius:26px;padding:18px 18px 16px;position:relative;box-shadow:0 18px 44px #0000001a}.content-filters .filters-container:before{content:"";opacity:.7;background:linear-gradient(90deg,#3498dbc7,#9b59b6b3,#2ecc71a3);border-radius:999px;height:3px;position:absolute;top:10px;left:16px;right:16px}.filters-container h3{color:var(--primary-color);letter-spacing:.08em;text-transform:uppercase;border-bottom:1px solid #0000000f;align-items:center;gap:10px;margin:0 0 14px;padding:10px 0 12px;font-size:.95rem;font-weight:900;display:flex}.filters-container h3 i{color:#fff;background:linear-gradient(135deg,var(--secondary-color),var(--accent-color));border-radius:14px;justify-content:center;align-items:center;width:34px;height:34px;display:inline-flex;box-shadow:0 14px 30px #00000024,inset 0 0 0 1px #ffffff59}.filters-grid{gap:14px;margin-bottom:14px}.filter-group{gap:8px;display:grid;position:relative}.filter-group label{color:#0000008c;letter-spacing:.1em;text-transform:uppercase;align-items:center;gap:8px;margin:0;font-size:.76rem;font-weight:900;display:flex}.filter-group label i{color:#00000059}.filter-select{appearance:none;width:100%;color:var(--primary-color);transition:var(--transition);cursor:pointer;background:linear-gradient(#fffffff0,#ffffffdb);border:1px solid #0000001a;border-radius:16px;padding:12px 42px 12px 14px;font-weight:800;box-shadow:0 10px 24px #0000000f,inset 0 0 0 1px #ffffff59}.filter-group:after{content:"";color:#00000059;pointer-events:none;font-family:"Font Awesome 5 Free";font-size:.85rem;font-weight:900;position:absolute;bottom:13px;right:14px}.filter-select:focus{border-color:#3498db8c;outline:none;transform:translateY(-1px);box-shadow:0 14px 28px #00000014,0 0 0 4px #3498db1f}.filter-actions{flex-wrap:wrap;gap:10px;margin:0 0 12px;display:flex}.filter-actions .btn{border-radius:16px;padding:10px 12px;box-shadow:0 14px 28px #0000000f}.filter-actions .btn i{opacity:.9}.filter-info{color:#000000b3;background:#ffffffb3;border:1px solid #0000000f;border-radius:18px;margin-top:10px;padding:12px 14px;box-shadow:0 12px 28px #0000000f}@media (max-width:640px){.filter-actions{flex-direction:column}.filter-actions .btn{justify-content:center;width:100%}}:root{--bg:#f5f7fa;--card:#fff;--text:#1f2937;--muted:#6b7280;--primary:#2563eb;--secondary:#2276c5;--success:#22c55e;--warning:#f59e0b;--border:#0f172a1a;--shadow:0 10px 30px #02061714;--shadow-soft:0 6px 18px #0206170f;--radius:18px;--radius-sm:12px;--font:var(--font-sans);--mono:var(--font-sans);--focus:0 0 0 3px #2563eb40;--primary-color:#1f3d2a;--secondary-color:#2271c5;--accent-color:#2563eb;--success-color:#22c55e;--warning-color:#f59e0b;--danger-color:#ef4444;--light-color:#f8fafc;--dark-color:#1f2937;--gray-color:#95a5a6;--border-radius:18px;--box-shadow:0 10px 30px #02061714;--transition:all .3s ease}body{font-family:var(--font-sans);color:var(--text);background:radial-gradient(1200px 700px at 20% 0%,#22c55e1f,transparent 60%),radial-gradient(900px 600px at 90% 10%,#2563eb24,transparent 55%),var(--bg);margin:0}:focus-visible{box-shadow:var(--focus);border-radius:10px;outline:none}.status-bar{color:#fff;background:linear-gradient(135deg,#6ebdfe 0%,#c8ffe1 100%);padding:10px 0}.status-container{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:15px;display:flex}.user-status{flex-wrap:wrap;align-items:center;gap:15px;display:flex}.points-display,.rank-badge,.level-display{background:#ffffff26;border-radius:20px;align-items:center;gap:8px;padding:8px 15px;font-size:14px;font-weight:600;display:flex}.points-display i{color:#f1c40f}.rank-badge i{color:#e67e22}.status-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.status-btn{cursor:pointer;transition:var(--transition);color:#fff;border:none;border-radius:20px;align-items:center;gap:8px;padding:8px 16px;font-weight:700;text-decoration:none;display:inline-flex}.status-btn:hover{filter:brightness(1.05);transform:translateY(-2px)}.btn-review{background:var(--accent-color)}.btn-simulated{background:var(--secondary-color)}.header-container{box-shadow:var(--box-shadow);background-color:#fff;grid-template-columns:minmax(160px,max-content) minmax(0,1fr) minmax(200px,max-content);align-items:center;gap:24px;padding:18px 0;display:grid}header{z-index:1400;position:relative}.menu-wide .header-container{grid-template-columns:minmax(160px,max-content) minmax(0,1fr) minmax(160px,240px);gap:16px}.menu-wide .main-nav{justify-content:flex-start}.menu-wide .nav-list{justify-content:flex-start;padding-left:8px}.logo{color:var(--primary-color);align-items:center;gap:1px;min-width:0;margin-left:0;padding-left:24px;text-decoration:none;display:flex}.logo-icon{background:linear-gradient(135deg,var(--accent-color)0%,#60a5fa 100%);border-radius:18px;justify-content:center;align-items:center;width:70px;height:70px;display:flex;position:relative;overflow:hidden;box-shadow:0 8px 25px #2563eb40}.logo-icon img{-o-object-fit:contain;object-fit:contain;z-index:1;width:75%;height:75%;position:relative}.logo-icon i{color:#fff;z-index:1;font-size:32px;position:relative}.logo-text{flex-direction:column;min-width:0;display:flex}.logo-main{letter-spacing:-.5px;white-space:normal;width:min-content;font-size:28px;font-weight:800;line-height:1.1;display:inline-block}.logo-sub{color:var(--gray-color);letter-spacing:1px;margin-top:4px;font-size:12px;font-weight:600}.main-nav{justify-content:center;width:100%;min-width:0;display:flex}.nav-list{background:#1e2a4f0d;border-radius:30px;flex-wrap:nowrap;justify-content:center;align-items:center;gap:8px;width:100%;min-height:56px;margin:0;padding:8px 12px;list-style:none;display:flex;box-shadow:inset 0 2px 10px #1e2a4f0f}.nav-item{position:relative}.nav-item:not(:last-child):after{content:none}.nav-link{color:var(--brand-blue-dark);transition:var(--transition);white-space:nowrap;border-radius:25px;align-items:center;gap:10px;padding:14px 24px;font-size:14px;font-weight:600;text-decoration:none;display:flex;position:relative;overflow:hidden}.nav-link i{color:inherit}.nav-link:before{content:"";background:linear-gradient(90deg,#0000,#4f6bff24,#0000);width:100%;height:100%;transition:left .5s;position:absolute;top:0;left:-100%}.nav-link:hover:before{left:100%}.nav-link:hover{color:var(--brand-purple-dark);background:linear-gradient(135deg,#4f6bff1a,#8b4cff14);transform:translateY(-2px);box-shadow:0 8px 20px #1e2a4f1f}.nav-link:hover i{color:inherit;transform:none}.nav-link.active{background:var(--gradient-brand);color:#fff;box-shadow:0 12px 26px #1e2a4f38}.nav-link.active i{color:inherit}.nav-link.active span{color:#fff}.nav-link.active:after{content:none;display:none}.user-area{justify-content:flex-end;justify-self:end;align-items:center;gap:12px;min-width:190px;display:flex;transform:translate(-12px)}.notification-wrap{align-items:center;display:flex;position:relative}.notification-wrap:after{content:"";height:14px;position:absolute;top:100%;left:-8px;right:-8px}.notification-bell{cursor:pointer;width:50px;height:50px;transition:var(--transition);background:#2563eb1a;border:none;border-radius:999px;justify-content:center;align-items:center;margin-left:0;margin-right:16px;display:flex;position:relative}.notification-panel{opacity:0;visibility:hidden;z-index:2000;background:#fff;border:1px solid #2c3e501f;border-radius:16px;width:min(320px,82vw);padding:12px;transition:opacity .2s,transform .2s;position:absolute;top:calc(100% + 12px);right:0;transform:translateY(-6px);box-shadow:0 18px 40px #2c3e502e}.notification-wrap:hover .notification-panel,.notification-wrap:focus-within .notification-panel,.notification-panel:hover{opacity:1;visibility:visible;transform:translateY(0)}.notification-panel-head{color:var(--primary-color);justify-content:space-between;align-items:center;margin-bottom:10px;font-weight:800;display:flex}.notification-link{color:var(--primary-color);justify-content:center;align-items:center;text-decoration:none;display:inline-flex}.notification-list{flex-direction:column;gap:8px;max-height:220px;display:flex;overflow-y:auto}.notification-item{background:#ecf0f199;border:1px solid #2c3e5014;border-radius:12px;align-items:flex-start;gap:10px;padding:8px 10px;display:flex}.notification-item i{color:var(--secondary-color);margin-top:2px}.notification-item strong{color:var(--primary-color);font-size:.9rem;display:block}.notification-item span{color:var(--gray-color);font-size:.8rem;display:block}.notification-view{color:var(--primary-color);background:#ecf0f1b3;border:1px solid #2c3e501f;border-radius:999px;justify-content:center;margin-top:10px;padding:8px 10px;font-weight:800;text-decoration:none;display:flex}.notification-view:hover{background:#3498db1f}.notification-bell:hover{background:#2563eb33;transform:translateY(-2px)}.notification-bell i{color:var(--accent-color);font-size:20px}.notification-badge{color:#fff;background:#e74c3c;border:2px solid #fff;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-size:10px;font-weight:700;display:flex;position:absolute;top:8px;right:8px}.user-profile{cursor:pointer;transition:var(--transition);border:1px solid var(--border);background:#1e2a4f0a;border-radius:25px;align-items:center;gap:12px;height:auto;margin-right:-60px;padding:10px 18px;display:flex;position:relative}.user-profile-skeleton{cursor:default;transform:none}.user-avatar-skeleton{background:#1e2a4f1a;border:1px solid #1e2a4f1a}.user-info-skeleton{gap:6px;min-width:140px}.skeleton-line{background:linear-gradient(90deg,#1e2a4f14 0%,#4f6bff33 35%,#8b4cff29 65%,#1e2a4f14 100%) 0 0/220% 100%;border-radius:999px;width:160px;height:10px;animation:1.2s ease-in-out infinite skeleton-shimmer;display:block}.skeleton-line.is-short{opacity:.85;width:110px;height:9px}@keyframes skeleton-shimmer{0%{background-position:0 0}to{background-position:100% 0}}.user-profile:hover{background:linear-gradient(135deg,#4f6bff1f,#8b4cff1a);border-color:#4f6bff40;transform:translateY(-2px);box-shadow:0 10px 22px #1e2a4f24}.user-avatar{background:var(--gradient-brand);color:#fff;width:40px;height:40px;box-shadow:none;border:0;border-radius:15px;justify-content:center;align-items:center;font-size:16px;font-weight:800;display:flex}.user-info{flex-direction:column;gap:2px;display:flex}.user-name{color:var(--brand-blue-dark);font-size:14px;font-weight:800}.user-level{color:var(--muted);font-size:12px;font-weight:650}.level-badge{min-width:22px;height:18px;color:var(--brand-purple-dark);font-variant-numeric:tabular-nums;background:#4f6bff24;border:1px solid #4f6bff38;border-radius:999px;justify-content:center;align-items:center;padding:0 6px;font-weight:800;display:inline-flex}.dropdown-icon{color:var(--gray-color);transition:var(--transition);font-size:12px}.user-profile:hover .dropdown-icon{transform:rotate(180deg)}.user-dropdown{background:var(--card);box-shadow:var(--shadow);border:1px solid var(--border);opacity:0;visibility:hidden;min-width:220px;transition:var(--transition);z-index:1401;border-radius:20px;margin-top:10px;position:absolute;top:100%;right:0;overflow:hidden;transform:translateY(-10px)}.user-profile:hover .user-dropdown{opacity:1;visibility:visible;transform:translateY(0)}.dropdown-header{text-align:center;background:linear-gradient(135deg,#4f6bff24 0%,#8b4cff1a 100%);padding:20px}.dropdown-avatar{background:var(--gradient-brand);color:#fff;border-radius:20px;justify-content:center;align-items:center;width:60px;height:60px;margin:0 auto 12px;font-size:20px;font-weight:800;display:flex}.dropdown-name{color:var(--brand-blue-dark);margin-bottom:4px;font-weight:800}.dropdown-email{color:var(--muted);font-size:12px}.dropdown-rank{color:var(--muted);font-size:12px;font-weight:800}.dropdown-divider{background:var(--border);height:1px}.dropdown-menu{flex-direction:column;gap:5px;margin:0;padding:10px;list-style:none;display:flex}.dropdown-menu li{margin:0}.dropdown-menu a{color:var(--brand-blue-dark);transition:var(--transition);border-radius:15px;align-items:center;gap:12px;padding:12px 15px;font-size:14px;font-weight:600;text-decoration:none;display:flex}.dropdown-menu a:hover{color:var(--brand-purple-dark);background:#4f6bff1a}.dropdown-menu i,.dropdown-menu a:hover i{color:inherit}.main-content{gap:18px;width:min(1200px,100% - 28px);margin:18px auto 40px}.session-progress,.content-filters,.question-container,.dashboard-card,.chart-container,.sidebar-card,.progress-card,.stat-chart-card,.goal-card,.achievement-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.question-header,.question-actions{border-color:var(--border);background:#02061705}.question-header{border-bottom:1px solid var(--border)}.question-actions{border-top:1px solid var(--border)}.question-text{color:var(--text)}.question-subject{color:#1e40af;background:#2563eb1f;border:1px solid #2563eb2e}.board-badge{color:#fff;background:#2563ebd9;border-radius:999px;padding:4px 10px}.question-difficulty.easy{color:#166534;background:#22c55e1f}.question-difficulty.medium{color:#7c2d12;background:#f59e0b1f}.question-difficulty.hard{color:#7f1d1d;background:#ef44441f}.question-feedback{border:1px solid var(--border);background:#02061705}.feedback-content h4{border-radius:14px}.feedback-content h4.correct{color:#166534;background:#22c55e1f}.feedback-content h4.incorrect{color:#7f1d1d;background:#ef44441f}.correct-answer,.explanation{border-left:4px solid;border-top:1px solid var(--border);border-right:1px solid var(--border);border-bottom:1px solid var(--border);background:#fff;border-radius:14px}.option{border:1px solid var(--border);background:#ffffffeb;border-radius:16px}.option:hover{background:#fff;border-color:#2563eb59}.option-letter{color:var(--text);border:1px solid var(--border);background:#0206170a}.option.correct{background:#22c55e1f;border-color:#22c55e59}.option.correct .option-letter{color:#fff;background:#22c55ed9}.option.incorrect{background:#ef44441f;border-color:#ef444459}.option.incorrect .option-letter{color:#fff;background:#ef4444d9}.filter-select{border:1px solid var(--border);background:#ffffffeb;border-radius:14px}.filter-select:focus{box-shadow:var(--focus);border-color:#2563eb59}.filter-info{border-left:4px solid var(--secondary-color);color:var(--muted);background:#22c55e14}.progress-bar{background-color:#02061714;border-radius:999px}.progress-fill{background:linear-gradient(90deg,#22c55ef2 0%,#2563ebf2 100%)}.btn{border:1px solid var(--border);color:var(--text);background:#fff;border-radius:14px;padding:11px 12px;font-weight:800;transition:transform .15s,background .15s}.btn:hover{transform:translateY(-1px)}.btn:not(.btn-primary):not(.btn-accent):hover{background:#02061705}.btn-primary:hover,.btn-accent:hover{filter:brightness(1.05)saturate(1.05)}.btn-primary{background:var(--gradient-brand);color:#fff;border-color:#4f6bff59}.btn-secondary{color:var(--brand-blue-dark);background:#1e2a4f0f;border-color:#1e2a4f24}.btn-accent{background:var(--gradient-brand);color:#fff;border-color:#4f6bff59}.stat-card{border:1px solid var(--border);box-shadow:var(--shadow-soft);background:#ffffffd9;border-radius:16px}.stat-icon{border:1px solid var(--border);background:#fff}.dashboard-header{background:linear-gradient(135deg,#2563ebd9 0%,#22c55ed9 100%);border-radius:22px}@media (max-width:980px){.header-container{flex-direction:column;align-items:stretch;gap:16px;padding:18px 0;display:flex}.logo{justify-content:center}.main-nav{justify-content:center;width:100%;display:flex}.nav-list{justify-content:center;width:100%}.user-area{justify-content:center;width:100%;transform:none}}@media (max-width:560px){.status-actions .status-btn span{display:none}.status-btn{padding:8px 12px}.logo-icon{width:60px;height:60px}.logo-main{font-size:24px}}body[data-theme=dark]{--bg:#0b1220;--card:#111827;--text:#e5e7eb;--muted:#9ca3af;--primary:#60a5fa;--secondary:#3b82f6;--success:#34d399;--warning:#fbbf24;--border:#94a3b833;--shadow:0 18px 38px #00000073;--shadow-soft:0 10px 26px #00000059;--primary-color:#60a5fa;--secondary-color:#3b82f6;--accent-color:#38bdf8;--success-color:#34d399;--warning-color:#fbbf24;--danger-color:#f87171;--light-color:#1f2937;--dark-color:#e5e7eb;--gray-color:#94a3b8;--box-shadow:0 16px 36px #00000073;color:var(--text);background:radial-gradient(1200px 700px at 20% 0%,#3b82f629,transparent 60%),radial-gradient(900px 600px at 90% 10%,#10b9811f,transparent 55%),var(--bg)}body[data-theme=dark] .status-bar{color:var(--text);background:linear-gradient(135deg,#0f172a 0%,#1f2937 100%)}body[data-theme=dark] .header-container{box-shadow:var(--shadow);background:#0f172ad9}body[data-theme=dark] .nav-list{background:#0000002e;border-color:#ffffff1f;box-shadow:inset 0 2px 10px #00000059}body[data-theme=dark] .logo{color:var(--text)}body[data-theme=dark] .logo-sub,body[data-theme=dark] .dropdown-email,body[data-theme=dark] .dropdown-rank,body[data-theme=dark] .user-level,body[data-theme=dark] .dropdown-icon{color:var(--muted)}body[data-theme=dark] .points-display,body[data-theme=dark] .rank-badge,body[data-theme=dark] .level-display{background:#0f172a8c}body[data-theme=dark] .main-nav .nav-link{color:#ffffffc7}body[data-theme=dark] .main-nav .nav-link.active{background:var(--gradient-brand);color:#fff;box-shadow:0 14px 34px #00000059}body[data-theme=dark] .main-nav .nav-link:hover{color:#fff;background:#ffffff1a}body[data-theme=dark] .user-dropdown,body[data-theme=dark] .notification-panel,body[data-theme=dark] .notification-modal,body[data-theme=dark] .login-dropdown,body[data-theme=dark] .card,body[data-theme=dark] .question-container,body[data-theme=dark] .question-header,body[data-theme=dark] .question-actions,body[data-theme=dark] .filter-panel,body[data-theme=dark] .review-item,body[data-theme=dark] .activity-item,body[data-theme=dark] .contest-card,body[data-theme=dark] .history-card,body[data-theme=dark] .stat-chart-card,body[data-theme=dark] .settings-card,body[data-theme=dark] .hero,body[data-theme=dark] .hero-panel,body[data-theme=dark] .feature-card,body[data-theme=dark] .plan-card,body[data-theme=dark] .photo-card,body[data-theme=dark] .logo-card,body[data-theme=dark] .metric,body[data-theme=dark] .highlight,body[data-theme=dark] .kpi,body[data-theme=dark] .question-card,body[data-theme=dark] .content-filters,body[data-theme=dark] .session-progress{background:var(--card);border-color:var(--border);color:var(--text)}body[data-theme=dark] .question-header,body[data-theme=dark] .question-actions,body[data-theme=dark] .content-filters,body[data-theme=dark] .session-progress{background:#0f172a99}body[data-theme=dark] .card p,body[data-theme=dark] .card span,body[data-theme=dark] .card label,body[data-theme=dark] .review-item p,body[data-theme=dark] .review-item span,body[data-theme=dark] .activity-item span,body[data-theme=dark] .contest-card p,body[data-theme=dark] .history-card p{color:var(--muted)}body[data-theme=dark] input,body[data-theme=dark] select,body[data-theme=dark] textarea{color:var(--text);border-color:var(--border);background:#0f172a}body[data-theme=dark] input::-moz-placeholder{color:#94a3b8cc}body[data-theme=dark] textarea::-moz-placeholder{color:#94a3b8cc}body[data-theme=dark] input::placeholder,body[data-theme=dark] textarea::placeholder{color:#94a3b8cc}body[data-theme=dark] .btn-secondary{color:var(--text);background:#ffffff14;border-color:#ffffff29}body[data-theme=dark] .btn:not(.btn-primary):not(.btn-accent):hover{background:#ffffff1a}body[data-theme=dark] .notification-item{border-color:var(--border);background:#0f172a8c}body[data-theme=dark] .user-profile{background:#00000038;border-color:#ffffff29}body[data-theme=dark] .user-profile:hover{background:linear-gradient(135deg,#4f6bff33,#8b4cff29);border-color:#5b5cff47}body[data-theme=dark] .user-avatar-skeleton{background:#ffffff1a;border-color:#ffffff1f}body[data-theme=dark] .skeleton-line{background:linear-gradient(90deg,#ffffff14 0%,#5b5cff38 35%,#8b4cff2e 65%,#ffffff14 100%) 0 0/220% 100%}body[data-theme=dark] .question-body,body[data-theme=dark] .question-text,body[data-theme=dark] .question-meta,body[data-theme=dark] .question-number,body[data-theme=dark] .question-timer{color:var(--text)}body[data-theme=dark] .question-options,body[data-theme=dark] .question-feedback,body[data-theme=dark] .correct-answer,body[data-theme=dark] .explanation,body[data-theme=dark] .option{border-color:var(--border);color:var(--text);background:#0f172a99}body[data-theme=dark] .option:hover{background:#3b82f61f;border-color:#3b82f659}body[data-theme=dark] .option-letter{border-color:var(--border);color:var(--text);background:#0f172ad9}body[data-theme=dark] .option.correct{background:#34d39929;border-color:#34d39959}body[data-theme=dark] .option.correct .option-letter{color:#ecfdf5;background:#34d39999}body[data-theme=dark] .option.incorrect{background:#f8717129;border-color:#f8717159}body[data-theme=dark] .option.incorrect .option-letter{color:#fee2e2;background:#f8717199}body[data-theme=dark] .feedback-content h4.correct{color:#a7f3d0;background:#34d3992e}body[data-theme=dark] .feedback-content h4.incorrect{color:#fecaca;background:#f871712e}body[data-theme=dark] .correct-answer,body[data-theme=dark] .explanation{border-left-color:#3b82f680}body[data-theme=dark] .progress-stats,body[data-theme=dark] .stat{border-color:var(--border);color:var(--text);background:#0f172aa6}body[data-theme=dark] .stat-label{color:var(--muted)}body[data-theme=dark] .progress-bar{background:#94a3b838}body[data-theme=dark] .status-btn{color:var(--text)}body[data-theme=dark] .chart-sub,body[data-theme=dark] .kpi-label,body[data-theme=dark] .meta-id{color:var(--muted)}body[data-theme=dark] table,body[data-theme=dark] th,body[data-theme=dark] td{border-color:var(--border);color:var(--text)}body[data-theme=dark] th,body[data-theme=dark] .ranking-global th{background:#0f172acc}body[data-theme=dark] tr,body[data-theme=dark] .ranking-global tr{background:#0f172a99}body[data-theme=dark] tr:hover,body[data-theme=dark] .ranking-global tr:hover{background:#3b82f61f}body[data-theme=dark] .ranking-global tr.current-rank{background:#3b82f633}body[data-theme=dark] .badge,body[data-theme=dark] .pill,body[data-theme=dark] .chip{border-color:var(--border);color:var(--text);background:#94a3b81f}body[data-theme=dark] .notification-panel-head,body[data-theme=dark] .notification-view{color:var(--text)}body[data-theme=dark] .notification-view{border-color:var(--border);background:#0f172aa6}body[data-theme=dark] .filters-container{border-color:var(--border);box-shadow:var(--shadow);background:radial-gradient(1000px 240px at 0 0,#3b82f62e,#0000 60%),radial-gradient(900px 220px at 100% 0,#10b98129,#0000 55%),#0f172ac7}body[data-theme=dark] .filters-container h3{color:var(--text);border-color:var(--border)}body[data-theme=dark] .filter-group label,body[data-theme=dark] .filter-group label i,body[data-theme=dark] .filter-group:after{color:var(--muted)}body[data-theme=dark] .filter-select{border-color:var(--border);color:var(--text);box-shadow:none;background:#0f172abf}body[data-theme=dark] .filter-info{border-color:var(--border);color:var(--muted);background:#0f172a99}body[data-theme=dark] .sidebar-mini-menu,body[data-theme=dark] .mini-menu-btn,body[data-theme=dark] .mini-menu-link,body[data-theme=dark] .sidebar .sidebar-card{border-color:var(--border);color:var(--text);background:#0f172ab3}body[data-theme=dark] .sidebar .sidebar-card h3{color:var(--text);border-color:var(--border)}body[data-theme=dark] .sidebar .sidebar-card:before{opacity:.5}body[data-theme=dark] .sidebar .sidebar-card .no-review,body[data-theme=dark] .sidebar .sidebar-card .no-tips,body[data-theme=dark] .sidebar .sidebar-card .no-items{border-color:var(--border);background:#0f172a99}body[data-theme=dark] .rank-status{border-color:var(--border);color:var(--text);background:#0f172ab3}body[data-theme=dark] .rank-title .name{color:var(--text)}body[data-theme=dark] .rank-title .range{color:var(--muted)}@keyframes slow-blink{0%{opacity:1}50%{opacity:.45}to{opacity:1}}.timer-blink{color:#dc2626;background-color:#fee2e299;border:1px solid #f8717173;animation:2.6s ease-in-out infinite slow-blink}.timer-blink svg{color:#dc2626}@keyframes start-steps-reveal{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.start-steps-card{opacity:0;animation:.5s forwards start-steps-reveal;transform:translateY(12px)}.start-steps-card--delay-1{animation-delay:50ms}.start-steps-card--delay-2{animation-delay:.12s}.start-steps-card--delay-3{animation-delay:.2s}@media (prefers-reduced-motion:reduce){.start-steps-card{opacity:1;animation:none;transform:none}}
.stats-page .main-content.progress-main{grid-template-columns:1fr!important}.stats-page .dashboard-header{background:radial-gradient(1200px 420px at 20% 0,#3498db33,#0000 60%),radial-gradient(1200px 420px at 80% 10%,#2ecc712e,#0000 55%),linear-gradient(135deg,#fffffff2,#ffffffe6);border-radius:18px;padding:34px 22px;box-shadow:0 12px 30px #0000001a}.stats-page .dashboard-header p{opacity:.95}.goal-progress-wrap{background:#ffffffbf;border:1px solid #0000000f;border-radius:14px;padding:16px}.goal-head{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px;display:flex}.goal-head .muted{color:#6c7a7d;margin-top:4px;font-size:.92rem;font-weight:600}.pill{color:#2c3e50;white-space:nowrap;background:#3498db1f;border-radius:999px;padding:6px 10px;font-size:.9rem;font-weight:800}.mini-kpis{flex-direction:column;gap:12px;display:flex}.mini-kpi{background:#f8fafc;border:1px solid #0000000f;border-radius:14px;align-items:center;gap:12px;padding:14px;display:flex}.mini-kpi-icon{color:#2980b9;background:#3498db1f;border-radius:12px;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.15rem;display:flex}.mini-kpi-title{color:#2c3e50;font-size:.95rem;font-weight:800}.mini-kpi-value{color:#2c3e50;margin-top:2px;font-size:1.2rem;font-weight:900}.side-actions{margin-top:16px}.chart-bars{flex-direction:column;gap:12px;padding:4px 0;display:flex}.bar-row{align-items:center;gap:12px;display:flex}.bar-label{color:#2c3e50;white-space:nowrap;text-overflow:ellipsis;width:170px;font-size:.92rem;font-weight:800;overflow:hidden}.bar-track{background:#00000014;border-radius:999px;flex:1;height:10px;position:relative;overflow:hidden}.bar-fill{background:linear-gradient(90deg,#3498db 0%,#2ecc71 100%);border-radius:999px;width:0%;height:100%;transition:width .7s cubic-bezier(.2,.9,.2,1)}.bar-meta{text-align:right;color:#6c7a7d;white-space:nowrap;width:110px;font-size:.9rem;font-weight:900}.chart-tabs{gap:10px;margin-bottom:12px;display:flex}.tab-btn{cursor:pointer;color:#2c3e50;background:#fff;border:1px solid #0000001a;border-radius:12px;padding:10px 12px;font-weight:800;transition:all .2s}.tab-btn i{margin-right:6px}.tab-btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px #00000014}.tab-btn.active{background:linear-gradient(135deg,#3498db24,#2ecc7124);border-color:#3498db38}.spark{align-items:flex-end;gap:10px;height:120px;padding:6px 0 10px;display:flex}.spark-col{background:#0000000f;border:1px solid #0000000d;border-radius:14px;flex:1;align-items:flex-end;min-width:18px;height:100%;display:flex;overflow:hidden}.spark-fill{background:linear-gradient(#3498db 0%,#2ecc71 100%);width:100%;height:0%;transition:height .7s cubic-bezier(.2,.9,.2,1)}.spark-labels{color:#6c7a7d;justify-content:space-between;gap:10px;font-size:.82rem;font-weight:800;display:flex}.empty-state{color:#6c7a7d;background:#f8fafc;border:1px dashed #00000026;border-radius:14px;padding:14px;font-weight:700}.simple-modal{z-index:9999;position:fixed;inset:0}.simple-modal-backdrop{background:#00000059;position:absolute;inset:0}.simple-modal-content{z-index:1;background:#fff;border-radius:18px;width:min(620px,100% - 26px);margin:7vh auto 0;position:relative;overflow:hidden;box-shadow:0 18px 50px #00000038}.simple-modal-head{border-bottom:1px solid #0000000f;justify-content:space-between;align-items:center;padding:16px 18px;display:flex}.icon-btn{cursor:pointer;background:#fff;border:1px solid #0000001a;border-radius:12px;width:40px;height:40px;transition:all .2s}.icon-btn:hover{transform:translateY(-1px);box-shadow:0 8px 18px #0000001a}.simple-modal-body{padding:18px}.muted{color:#6c7a7d;font-weight:650}.goals-grid{grid-template-columns:1fr 1fr;gap:12px;margin-top:12px;display:grid}.goals-grid label{color:#2c3e50;flex-direction:column;gap:6px;font-weight:800;display:flex}.goals-grid input{border:1px solid #00000024;border-radius:12px;padding:12px;font-family:inherit;font-weight:800}.modal-actions{justify-content:flex-end;gap:10px;margin-top:14px;display:flex}.muted-note{color:#6c7a7d;margin-top:12px;font-size:.9rem;font-weight:650}@media (max-width:640px){.bar-label{width:120px}.bar-meta{width:92px}.goals-grid{grid-template-columns:1fr}}a.status-btn,a.logo,.nav-link{text-decoration:none}a.status-btn:visited,a.logo:visited,.nav-link:visited{color:inherit}.status-actions a.status-btn,.status-actions a.status-btn:visited{text-decoration:none}.stats-page .detailed-stats,.stats-page .activity-history,.stats-page .trophy-section{background:#ffffffeb;border:1px solid #0000000f;border-radius:20px;width:75%;max-width:100%;margin:28px auto;padding:clamp(18px,2.2vw,32px);box-shadow:0 14px 34px #00000014}.stats-page .detailed-stats .section-header,.stats-page .activity-history .section-header,.stats-page .trophy-section .section-header{border-bottom:1px solid #0000000f;flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:18px;padding-bottom:16px;display:flex}.stats-page .detailed-stats .section-header h2,.stats-page .activity-history .section-header h2,.stats-page .trophy-section .section-header h2{color:#2c3e50;margin:0;font-size:1.25rem;font-weight:900}.stats-page .detailed-stats .section-header p,.stats-page .activity-history .section-header p,.stats-page .trophy-section .section-header p{color:#6c7a7d;margin:0;font-weight:650}.stats-page .trophy-grid{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;max-height:320px;padding-right:6px;display:grid;overflow-y:auto}.stats-page .trophy-card{background:#fff;border:1px solid #0000000f;border-radius:16px;align-items:center;gap:12px;padding:14px 16px;display:flex;box-shadow:0 10px 24px #0000000f}.stats-page .trophy-card.locked{color:#7a8a8d;background:#f0f4f6e6;border-style:dashed}.stats-page .trophy-icon{border-radius:12px;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.05rem;display:inline-flex}.stats-page .trophy-card.unlocked .trophy-icon{color:#2ecc71;background:#2ecc7133}.stats-page .trophy-card.locked .trophy-icon{color:#7f8c8d;background:#7f8c8d33}.stats-page .trophy-info strong{color:#2c3e50;font-weight:800;display:block}.stats-page .trophy-card.locked .trophy-info strong{color:#6c7a7d}.stats-page .trophy-info span{color:#6c7a7d;margin-top:4px;font-size:.85rem;font-weight:650;display:inline-block}.stats-page .activity-history-dropdown{padding:clamp(18px,2.2vw,32px)}.stats-page .activity-history-dropdown>summary{cursor:pointer;list-style:none}.stats-page .activity-history-dropdown>summary::-webkit-details-marker{display:none}.stats-page .activity-history-dropdown>summary.section-header{flex-direction:row;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:0}.stats-page .activity-history-dropdown .section-header-text{flex-direction:column;gap:8px;display:flex}.stats-page .activity-history-dropdown .history-caret{color:#2ecc71;background:#2ecc7129;border-radius:50%;flex:none;justify-content:center;align-items:center;width:34px;height:34px;transition:transform .2s,background .2s;display:inline-flex}.stats-page .activity-history-dropdown[open] .history-caret{background:#2ecc7142;transform:rotate(180deg)}.stats-page .activity-history-dropdown .history-body{margin-top:18px}.stats-page .stats-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:18px}.stats-page .stat-chart-card{border:1px solid #0000000f;border-radius:18px;padding:18px;transition:transform .18s,box-shadow .18s;position:relative;overflow:hidden;box-shadow:0 10px 26px #0000000f}.stats-page .stat-chart-card:before{content:"";background:linear-gradient(90deg,#3498dbb3,#2ecc71b3);height:4px;position:absolute;inset:0 0 auto}.stats-page .stat-chart-card:hover{transform:translateY(-2px);box-shadow:0 16px 36px #0000001a}.stats-page .chart-header{justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px;display:flex}.stats-page .chart-header h3{color:#2c3e50;align-items:center;gap:10px;margin:0;font-size:1.05rem;font-weight:900;display:flex}.stats-page .chart-sub{color:#2c3e50;white-space:nowrap;background:#0000000a;border:1px solid #0000000f;border-radius:999px;padding:6px 10px;font-size:.85rem;font-weight:850}.stats-page .chart-body{background:linear-gradient(#f8fafcf2,#fffffff2);border:1px solid #0000000d;border-radius:16px;padding:14px}.stats-page .bar-row{background:#00000004;border:1px solid #0000000d;border-radius:14px;padding:10px;transition:transform .15s,background .15s}.stats-page .bar-row:hover{background:#3498db0a;transform:translateY(-1px)}.stats-page .chart-tabs{background:#00000008;border:1px solid #0000000f;border-radius:14px;gap:8px;padding:6px}.stats-page .chart-tabs .tab-btn{border-radius:12px;flex:1;padding:10px 12px}.stats-page .chart-tabs .tab-btn.active{background:#fff;box-shadow:0 10px 22px #00000014}.stats-page .weekly-card{margin-top:14px}.stats-page .trend-grid{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);align-items:start;gap:16px;display:grid}.stats-page .trend-block h4{color:#2c3e50;margin:0 0 10px;font-size:.95rem;font-weight:900}.stats-page .line-chart{background:linear-gradient(#3498db1a,#2ecc710f);border:1px solid #0000000f;border-radius:16px;height:170px;padding:10px;position:relative;overflow:hidden}.stats-page .line-chart svg{width:100%;height:100%;display:block}.stats-page .line-path{fill:none;stroke:#2c7be5;stroke-width:2.6px}.stats-page .line-area{fill:#2ecc712e}.stats-page .line-point{fill:#fff;stroke:#2c7be5;stroke-width:1.4px}.stats-page .line-legend{color:#6c7a7d;flex-wrap:wrap;gap:10px;margin-top:8px;font-size:.85rem;font-weight:800;display:flex}.stats-page .pie-wrap{grid-template-columns:140px 1fr;align-items:center;gap:12px;display:grid}.stats-page .pie-chart{background:conic-gradient(#d1d5db 0% 100%);border:1px solid #00000014;border-radius:50%;width:140px;height:140px;box-shadow:inset 0 0 0 8px #ffffffd9}.stats-page .pie-legend{flex-direction:column;gap:8px;display:flex}.stats-page .pie-item{color:#2c3e50;align-items:center;gap:8px;font-size:.85rem;font-weight:800;display:flex}.stats-page .pie-swatch{border-radius:4px;flex:none;width:12px;height:12px}.stats-page .chart-actions{justify-content:flex-end;margin-top:12px;display:flex}.stats-page .activity-filters{margin:6px 0 14px}.stats-page .filter-row{grid-template-columns:190px 190px 1fr;align-items:end;gap:12px;display:grid}.stats-page .filter-row label{color:#2c3e50;flex-direction:column;gap:6px;font-size:.92rem;font-weight:850;display:flex}.stats-page .filter-row select,.stats-page .filter-row input{background:#fff;border:1px solid #00000024;border-radius:12px;outline:none;padding:12px;font-family:inherit;font-weight:800;transition:box-shadow .15s,border-color .15s}.stats-page .filter-row select:focus,.stats-page .filter-row input:focus{border-color:#3498db73;box-shadow:0 0 0 4px #3498db24}.stats-page .activity-list{--activity-item-height:120px;--activity-list-gap:12px;max-height:calc((var(--activity-item-height)*2) + var(--activity-list-gap));scrollbar-gutter:stable;flex-direction:column;gap:12px;margin-top:12px;padding-right:6px;display:flex;overflow-y:auto}.stats-page .activity-item{min-height:var(--activity-item-height);max-height:var(--activity-item-height);background:#fff;border:1px solid #0000000f;border-radius:18px;align-items:flex-start;gap:14px;padding:12px;transition:transform .18s,box-shadow .18s;display:flex;position:relative;overflow:hidden;box-shadow:0 10px 26px #0000000f}.stats-page .activity-item:hover{transform:translateY(-2px);box-shadow:0 16px 36px #0000001a}.stats-page .activity-item:before{content:"";background:#3498dba6;width:5px;position:absolute;inset:0 auto 0 0}.stats-page .activity-item.simulado:before{background:#f39c12b3}.stats-page .activity-item.questoes:before{background:#3498dbb3}.stats-page .activity-icon{color:#2980b9;background:#3498db1a;border:1px solid #0000000f;border-radius:16px;flex:none;justify-content:center;align-items:center;width:46px;height:46px;font-size:1.15rem;display:flex}.stats-page .activity-item.simulado .activity-icon{color:#d35400;background:#f39c121f}.stats-page .activity-content{flex:1;min-width:0}.stats-page .activity-title{color:#2c3e50;white-space:nowrap;text-overflow:ellipsis;margin-bottom:6px;font-size:1.02rem;font-weight:950;overflow:hidden}.stats-page .activity-meta{flex-wrap:nowrap;gap:8px;display:flex;overflow:hidden}.stats-page .activity-meta span{color:#465a60;white-space:nowrap;text-overflow:ellipsis;background:#00000008;border:1px solid #0000000f;border-radius:999px;flex:0 auto;align-items:center;gap:8px;min-width:0;padding:6px 8px;font-size:.82rem;font-weight:800;display:inline-flex;overflow:hidden}.stats-page .activity-points{color:#2c3e50;white-space:nowrap;background:#2ecc711f;border:1px solid #2ecc7133;border-radius:999px;padding:8px 10px;font-weight:950}@media (max-width:820px){.stats-page .filter-row{grid-template-columns:1fr}.stats-page .chart-header{flex-direction:column;align-items:flex-start}.stats-page .chart-sub{white-space:normal}.stats-page .trend-grid,.stats-page .pie-wrap{grid-template-columns:1fr}}.dashboard-header h1{color:#080707;justify-content:center;align-items:center;gap:15px;margin-bottom:10px;font-size:2.5rem;display:flex}.dashboard-header p{color:#000;font-size:1.1rem}.main-content{grid-template-columns:1fr 350px;gap:0;margin:30px auto;display:grid}.last-updated{color:#fff;font-size:.9rem}body[data-theme=dark].stats-page .dashboard-header{background:radial-gradient(1200px 420px at 20% 0,#3b82f633,#0000 60%),radial-gradient(1200px 420px at 80% 10%,#10b9812e,#0000 55%),linear-gradient(135deg,#0f172aeb,#0f172adb);box-shadow:0 16px 36px #00000073}body[data-theme=dark] .dashboard-header h1,body[data-theme=dark] .dashboard-header p{color:var(--text)}body[data-theme=dark] .goal-progress-wrap{border-color:var(--border);background:#0f172aa6}body[data-theme=dark].stats-page .detailed-stats,body[data-theme=dark].stats-page .activity-history,body[data-theme=dark].stats-page .trophy-section,body[data-theme=dark].stats-page .activity-history-dropdown{border-color:var(--border);background:#0f172ab8}body[data-theme=dark].stats-page .section-header,body[data-theme=dark].stats-page .activity-history-dropdown>summary.section-header{border-color:var(--border)}body[data-theme=dark].stats-page .section-header h2,body[data-theme=dark].stats-page .trophy-info strong,body[data-theme=dark].stats-page .activity-title{color:var(--text)}body[data-theme=dark] .goal-head .muted,body[data-theme=dark].stats-page .section-header p,body[data-theme=dark].stats-page .trophy-info span,body[data-theme=dark] .bar-meta,body[data-theme=dark] .spark-labels,body[data-theme=dark].stats-page .line-legend{color:var(--muted)}body[data-theme=dark] .pill{color:var(--text);background:#3b82f633}body[data-theme=dark] .mini-kpi{border-color:var(--border);background:#0f172a99}body[data-theme=dark] .mini-kpi-icon{color:#93c5fd;background:#3b82f633}body[data-theme=dark] .mini-kpi-title,body[data-theme=dark] .mini-kpi-value,body[data-theme=dark] .bar-label,body[data-theme=dark].stats-page .chart-header h3,body[data-theme=dark].stats-page .trend-block h4,body[data-theme=dark].stats-page .pie-item{color:var(--text)}body[data-theme=dark] .bar-track{background:#94a3b83d}body[data-theme=dark].stats-page .chart-body{border-color:var(--border);background:linear-gradient(#0f172a99,#0f172acc)}body[data-theme=dark].stats-page .chart-sub{border-color:var(--border);color:var(--muted);background:#94a3b81f}body[data-theme=dark].stats-page .bar-row{border-color:var(--border);background:#0f172a80}body[data-theme=dark].stats-page .bar-row:hover{background:#3b82f61f}body[data-theme=dark].stats-page .chart-tabs{border-color:var(--border);background:#0f172a99}body[data-theme=dark].stats-page .chart-tabs .tab-btn{border-color:var(--border);color:var(--muted);background:#0f172acc}body[data-theme=dark].stats-page .chart-tabs .tab-btn.active{color:var(--text);background:#3b82f633;border-color:#3b82f659}body[data-theme=dark] .spark-col{background:#94a3b81f;border-color:#94a3b833}body[data-theme=dark] .empty-state{color:var(--muted);background:#0f172a99;border-color:#94a3b833}body[data-theme=dark].stats-page .activity-item{border-color:var(--border);background:#0f172ab3}body[data-theme=dark].stats-page .activity-icon{color:#93c5fd;border-color:var(--border);background:#3b82f633}body[data-theme=dark].stats-page .activity-item.simulado .activity-icon{color:#fbbf24;background:#fbbf2429}body[data-theme=dark].stats-page .activity-meta span{border-color:var(--border);color:var(--muted);background:#94a3b81f}body[data-theme=dark].stats-page .activity-points{color:#a7f3d0;background:#34d39933;border-color:#34d39959}body[data-theme=dark].stats-page .trophy-card{border-color:var(--border);background:#0f172aa6}body[data-theme=dark].stats-page .trophy-card.locked{background:#0f172a59;border-color:#94a3b833}body[data-theme=dark].stats-page .trophy-card.locked .trophy-info strong{color:var(--muted)}body[data-theme=dark].stats-page .line-chart{border-color:var(--border);background:linear-gradient(#3b82f633,#0f172a1a)}body[data-theme=dark].stats-page .line-area{fill:#34d39933}body[data-theme=dark].stats-page .line-point{fill:#0f172a;stroke:#60a5fa}body[data-theme=dark].stats-page .pie-chart{border-color:var(--border);background:conic-gradient(#1f2937 0% 100%);box-shadow:inset 0 0 0 8px #0f172ae6}body[data-theme=dark].stats-page .filter-row label{color:var(--text)}body[data-theme=dark].stats-page .filter-row select,body[data-theme=dark].stats-page .filter-row input{border-color:var(--border);color:var(--text);background:#0f172a}body[data-theme=dark] .simple-modal-content{border-color:var(--border);color:var(--text);background:#0f172af5}body[data-theme=dark] .icon-btn{border-color:var(--border);color:var(--text);background:#0f172ab3}body[data-theme=dark] .progress-card,body[data-theme=dark] .progress-stat,body[data-theme=dark] .time-stat{border-color:var(--border);color:var(--text);background:#0f172ab3;box-shadow:0 12px 28px #00000059}body[data-theme=dark] .progress-card.main-card{background:linear-gradient(135deg,#0f172aeb,#0f172abf)}body[data-theme=dark] .progress-card-header{border-color:var(--border)}body[data-theme=dark] .progress-card-header h3{color:var(--text)}body[data-theme=dark] .last-updated,body[data-theme=dark] .progress-labels{color:var(--muted)}body[data-theme=dark] .progress-stat .stat-icon{color:#bfdbfe;background:#3b82f62e}body[data-theme=dark] .progress-stat .stat-value{color:var(--text)}body[data-theme=dark] .progress-stat .stat-subtext{color:var(--muted)}body[data-theme=dark] .time-icon{color:#bfdbfe}body[data-theme=dark] .legend-item{border:1px solid var(--border);background:#94a3b824}body[data-theme=dark] .legend-item:hover{background:#5b5cff38}body[data-theme=dark] .legend-item.active{border-left-color:var(--ds-primary);background:#5b5cff42}body[data-theme=dark] .legend-label,body[data-theme=dark] .legend-value,body[data-theme=dark] .pie-center-value{color:var(--text)}body[data-theme=dark] .pie-center-label{color:var(--muted)}.pie-chart-container{align-items:center;gap:32px;margin-bottom:32px;display:flex}.pie-chart-svg{flex-shrink:0;width:180px;height:180px}.pie-chart-svg svg{width:100%;height:100%;animation:1.5s ease-out rotatePie}@keyframes rotatePie{0%{opacity:0;transform:rotate(-90deg)scale(.8)}to{opacity:1;transform:rotate(0)scale(1)}}.pie-slice{cursor:pointer;transition:all .3s}.pie-slice:hover{stroke-width:4px;filter:brightness(1.1)}.pie-slice.is-active{stroke-width:5px;filter:drop-shadow(0 3px 6px #1e2a4f40)brightness(1.15)}.pie-center-value{font-weight:700}.pie-center-label{font-weight:500}.pie-chart-legend{flex:1}.legend-item{background:var(--gray-50);transition:var(--transition);cursor:pointer;border-radius:8px;align-items:center;gap:12px;margin-bottom:12px;padding:8px;display:flex}.legend-item:hover{background:var(--gray-100);transform:translate(5px)}.legend-item.active{border-left:3px solid var(--primary-color);background:#2563eb1a}.legend-color{border-radius:4px;flex-shrink:0;width:16px;height:16px}.legend-label{color:var(--gray-700);flex:1;font-size:14px;font-weight:500}.legend-value{color:var(--gray-900);font-size:14px;font-weight:700}@media (max-width:1024px){.pie-chart-container{text-align:center;flex-direction:column}}.stats-scroll{scrollbar-width:thin;scrollbar-color:var(--brand-purple)#7a4dff1f}.stats-scroll::-webkit-scrollbar{width:8px}.stats-scroll::-webkit-scrollbar-track{background:#7a4dff1f;border-radius:999px}.stats-scroll::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--brand-purple),var(--brand-purple-vibrant));border-radius:999px}
header.site-header{z-index:1200;position:sticky;top:0}.site-header .header-container{grid-template-columns:minmax(160px,max-content) minmax(0,1fr) max-content;gap:18px}.site-header .logo{padding-left:24px}.site-header .logo-icon{width:88px;height:88px;box-shadow:none;background:0 0;border-radius:0;overflow:visible}.site-header .logo-icon:before{content:none;animation:none}.site-header .logo-icon img{-o-object-fit:contain;object-fit:contain;width:100%;height:100%;display:block}@media (max-width:560px){.site-header .logo-icon{width:72px;height:72px}}.site-header .user-area{justify-self:start;padding-right:58px}.site-header .user-profile{min-width:0;max-width:280px}.site-header .user-info{text-align:center;align-items:center;min-width:0;max-width:160px}.site-header .user-name{white-space:normal;word-break:break-word;overflow-wrap:anywhere;line-height:1.2}body.pomodoro-mode>div>header{visibility:hidden;pointer-events:none}
.site-footer{background:0 0;border-top:0;margin-top:0}.site-footer .container{border-radius:0;max-width:1200px;margin:0 auto;padding:0 22px}.footer-container{grid-template-columns:minmax(0,1.1fr) minmax(0,1.4fr) minmax(0,1fr);gap:24px;padding:32px 0;display:grid}.footer-brand{align-items:flex-start;gap:14px;display:flex}.footer-logo{width:48px;height:48px;color:var(--brand-blue-dark);background:#4f6bff1f;border-radius:14px;place-items:center;font-size:20px;display:grid}.footer-brand strong{font-size:16px}.footer-brand p{color:var(--muted);margin:6px 0 0;font-size:13px}.footer-links{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.footer-col h4{margin:0 0 10px;font-size:14px}.footer-col a{color:var(--text);margin-bottom:8px;font-size:13px;font-weight:600;text-decoration:none;display:block}.footer-col a:hover{color:var(--accent-color)}.footer-newsletter h4{margin:0 0 6px;font-size:14px}.footer-newsletter p{color:var(--muted);margin:0 0 12px;font-size:13px}.newsletter-form{grid-template-columns:1fr auto;gap:8px;display:grid}.newsletter-form input{border:1px solid var(--border);font:inherit;background:#fff;border-radius:12px;padding:10px 12px}.footer-social{gap:10px;margin-top:14px;display:flex}.footer-social a{border:1px solid var(--border);width:36px;height:36px;color:var(--text);background:#ffffffe6;border-radius:12px;place-items:center;display:grid}.footer-social a:hover{color:var(--accent-color);border-color:#4f6bff40}.footer-bottom{color:var(--muted);border-top:0;justify-content:space-between;gap:12px;padding:6px 22px 10px;font-size:12px;display:flex}@media (max-width:980px){.footer-container{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column;align-items:flex-start}}body[data-theme=dark] .site-footer{background:0 0;border-top-color:#0000}body[data-theme=dark] .footer-col a{color:var(--text)}body[data-theme=dark] .footer-col a:hover{color:#4f6bffe6}body[data-theme=dark] .newsletter-form input,body[data-theme=dark] .footer-social a{border-color:var(--border);color:var(--text);background:#0f172ab3}body[data-theme=dark] .footer-bottom{color:var(--muted);border-top-color:#0000}body.pomodoro-mode>div>footer{visibility:hidden;pointer-events:none}