.subject-page{padding:2rem 0 4rem}.subject-header{display:flex;align-items:flex-start;gap:1.5rem;margin-bottom:2rem;padding:2rem;background:var(--subject-bg, var(--color-primary-bg));border-radius:var(--radius-xl);border-left:6px solid var(--subject-color, var(--color-primary))}.subject-header-icon{font-size:3.5rem;width:80px;height:80px;display:flex;align-items:center;justify-content:center;background:var(--color-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);flex-shrink:0}.subject-header-info{flex:1}.subject-header h1{color:var(--color-text);margin-bottom:.25rem;font-size:2rem}.subject-level{color:var(--color-text-light);font-size:1.1rem;font-weight:600;margin-bottom:.75rem}.year-selector{display:inline-flex;align-items:center;gap:.5rem;margin-top:.5rem}.year-selector label{color:var(--color-text-light);font-size:.9rem;font-weight:600}.year-selector select{padding:.5rem 1rem;border:2px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-card);color:var(--color-text);font-size:.9rem;font-family:Nunito,sans-serif;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.year-selector select:focus{outline:none;border-color:var(--subject-color, var(--color-primary))}.curriculum-badge{display:inline-block;padding:.35rem .75rem;background:var(--color-card);border-radius:var(--radius-full);font-size:.8rem;font-weight:700;color:var(--color-text-light);margin-top:.5rem}.subject-page .tabs{display:flex;flex-wrap:wrap;gap:.5rem;padding:.75rem;background:var(--color-card);border-radius:var(--radius-xl);margin-bottom:2rem;box-shadow:var(--shadow-sm)}.subject-page .tab{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.25rem;border:none;background:transparent;cursor:pointer;font-family:Nunito,sans-serif;font-size:.9rem;font-weight:600;color:var(--color-text-light);border-radius:var(--radius-lg);transition:all var(--transition-fast)}.subject-page .tab:hover{background:var(--color-bg-secondary);color:var(--color-text)}.subject-page .tab.active{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-color)}.tab-icon{font-size:1rem}.tab-label{white-space:nowrap}.tab-content{padding:0;min-height:400px}.loading-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem;gap:1rem}.loading-state p{color:var(--color-text-light);font-weight:600}.syllabus-content{line-height:1.8;background:var(--color-card);padding:2rem;border-radius:var(--radius-xl);box-shadow:var(--shadow-sm)}.syllabus-content h2{margin-top:2.5rem;margin-bottom:1rem;color:var(--color-primary);padding-bottom:.5rem;border-bottom:2px solid var(--color-border-light)}.syllabus-content h2:first-child{margin-top:0}.syllabus-content h3{margin-top:1.5rem;margin-bottom:.75rem;color:var(--color-text)}.syllabus-content ul,.syllabus-content ol{margin-left:1.5rem;margin-bottom:1rem}.syllabus-content li{margin-bottom:.5rem;color:var(--color-text-light)}.syllabus-content table{width:100%;border-collapse:collapse;margin:1.5rem 0}.syllabus-content th,.syllabus-content td{padding:.75rem;border:1px solid var(--color-border-light);text-align:left}.syllabus-content th{background:var(--color-bg-secondary);font-weight:700}.assessment-content h2{margin-bottom:.75rem}.assessment-legend{display:flex;gap:2rem;margin:1.5rem 0;padding:1rem 1.5rem;background:var(--color-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.legend-item{display:flex;align-items:center;gap:.5rem;font-size:.95rem;font-weight:600}.legend-item.confident{color:var(--color-success)}.legend-item.practice{color:var(--color-secondary)}.legend-item.help{color:var(--color-error)}.assessment-list{margin:1.5rem 0;background:var(--color-card);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.assessment-item{display:flex;align-items:center;justify-content:space-between;padding:1.25rem 1.5rem;border-bottom:1px solid var(--color-border-light);transition:background var(--transition-fast)}.assessment-item:last-child{border-bottom:none}.assessment-item:hover{background:var(--color-bg)}.assessment-topic{font-weight:600;color:var(--color-text)}.assessment-buttons{display:flex;gap:.5rem}.assessment-btn{width:44px;height:44px;border:2px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-card);font-size:1.25rem;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center}.assessment-btn:hover{transform:scale(1.1)}.assessment-btn.confident:hover,.assessment-btn.confident.selected{background:var(--color-success-light);border-color:var(--color-success)}.assessment-btn.practice:hover,.assessment-btn.practice.selected{background:var(--color-secondary-light);border-color:var(--color-secondary)}.assessment-btn.help:hover,.assessment-btn.help.selected{background:#fee2e2;border-color:var(--color-error)}.progress-summary{margin:1.5rem 0;padding:1rem 1.5rem;background:var(--color-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.progress-bar-container{margin-bottom:.75rem}.progress-bar{height:12px;background:var(--color-bg-secondary);border-radius:var(--radius-full);overflow:hidden;display:flex}.progress-bar-fill{height:100%;transition:width var(--transition-normal)}.progress-bar-fill.confident{background:var(--color-success)}.progress-bar-fill.practice{background:var(--color-secondary)}.progress-bar-fill.help{background:var(--color-error)}.progress-stats{display:flex;gap:1.5rem;flex-wrap:wrap;font-size:.9rem;font-weight:600}.progress-stats .stat{display:flex;align-items:center;gap:.25rem}.progress-stats .stat.confident{color:var(--color-success)}.progress-stats .stat.practice{color:var(--color-secondary)}.progress-stats .stat.help{color:var(--color-error)}.progress-stats .stat.unrated{color:var(--color-text-light)}.assessment-sections{margin-top:1.5rem}.assessment-section{margin-bottom:2rem}.assessment-section .section-title{font-size:1.1rem;font-weight:700;color:var(--color-primary);margin-bottom:.75rem;padding-left:.5rem;border-left:3px solid var(--color-primary)}.assessment-item.rated-confident{background:#22c55e0d}.assessment-item.rated-practice{background:#f973160d}.assessment-item.rated-help{background:#ef44440d}.coming-soon-card{display:flex;align-items:center;gap:1.5rem;padding:2rem;background:var(--color-bg-secondary);border-radius:var(--radius-xl);margin-top:2rem;border:2px dashed var(--color-border)}.coming-soon-card h4{margin-bottom:.5rem;color:var(--color-text)}.coming-soon-card p{color:var(--color-text-light);margin:0}.papers-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem;margin:1.5rem 0}.paper-card{padding:1.5rem;background:var(--color-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:all var(--transition-normal);border:1px solid var(--color-border-light)}.paper-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.paper-icon{font-size:2rem;display:block;margin-bottom:.75rem}.paper-card h4{margin-bottom:.25rem;color:var(--color-text)}.paper-card>p{color:var(--color-text-light);font-size:.9rem;margin-bottom:1rem}.paper-actions{display:flex;gap:.5rem}.paper-actions .btn{flex:1}.paper-viewed{position:relative}.viewed-check{color:var(--color-success);margin-right:.25rem;font-weight:700}.parent-guide-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.25rem;margin:1.5rem 0}.parent-guide-card{padding:1.5rem;background:var(--color-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:all var(--transition-normal);border:1px solid var(--color-border-light)}.parent-guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--color-primary)}.guide-icon{font-size:2rem;display:block;margin-bottom:.75rem}.parent-guide-card h4{margin-bottom:.5rem;color:var(--color-text)}.parent-guide-card p{color:var(--color-text-light);font-size:.9rem;margin:0;line-height:1.5}.source-selector{margin-bottom:1.5rem;padding:1rem;background:var(--color-bg-secondary);border-radius:var(--radius-lg);border:2px solid var(--color-border-light);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.source-toggle{display:flex;gap:.5rem;flex-wrap:wrap}.source-btn{padding:.6rem 1.2rem;border:2px solid var(--color-border);border-radius:var(--radius-md);background:#fff;cursor:pointer;transition:all var(--transition-fast);font-weight:600;font-size:.9rem;font-family:Nunito,sans-serif;color:var(--color-text)}.source-btn:hover{border-color:var(--color-primary);background:var(--color-primary-light, #f0f5ff);transform:translateY(-2px)}.source-btn.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary);box-shadow:0 4px 12px #0066cc4d;font-weight:700}@media(max-width:1024px){.subject-page .tabs{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch}.tab-label{display:none}.subject-page .tab{padding:.75rem 1rem}.tab-icon{font-size:1.25rem}}@media(max-width:768px){.subject-header{flex-direction:column;align-items:center;text-align:center;padding:1.5rem}.subject-header h1{font-size:1.75rem}.subject-header-icon{width:64px;height:64px;font-size:2.5rem}.syllabus-content{padding:1.5rem}.assessment-legend{flex-direction:column;gap:.75rem}.assessment-item{flex-direction:column;gap:1rem;align-items:flex-start}.coming-soon-card{flex-direction:column;text-align:center}.papers-grid,.parent-guide-grid{grid-template-columns:1fr}.paper-actions{flex-direction:column}.source-selector{flex-direction:column;align-items:stretch}.source-toggle{width:100%}.source-btn{flex:1;text-align:center}}.seo-intro{max-width:800px;margin:.75rem auto 1.5rem;padding:1rem 1.5rem 1rem 3rem;background:linear-gradient(135deg,var(--color-primary-bg) 0%,#F0FDF4 100%);border-left:4px solid var(--color-primary);border-radius:0 .75rem .75rem 0;color:var(--color-text);font-size:.95rem;line-height:1.6;text-align:left;position:relative;box-shadow:0 2px 8px #3b82f614}.seo-intro:before{content:"📚";position:absolute;left:.75rem;top:50%;transform:translateY(-50%);font-size:1.25rem}.level-subject-page{padding:1.5rem 0 3rem}.level-header{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem}.level-icon{font-size:3rem}.level-header h1{margin:0;font-size:2rem}.level-intro{color:var(--color-text-light);margin:.25rem 0 0}.subject-selector{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2rem;padding:1rem;background:var(--color-card);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm)}.subject-pill{display:flex;align-items:center;gap:.5rem;padding:.6rem 1rem;border:2px solid var(--color-border-light);border-radius:var(--radius-full);background:var(--color-bg);cursor:pointer;transition:all var(--transition-fast);font-family:inherit;font-size:.95rem;font-weight:600;color:var(--color-text)}.subject-pill:hover{border-color:var(--subject-color);background:var(--subject-bg)}.subject-pill.active{border-color:var(--subject-color);background:var(--subject-bg);color:var(--subject-color)}.pill-icon{font-size:1.1rem}.pill-name{white-space:nowrap}.subject-content-area{animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.subject-header-mini{display:flex;align-items:center;gap:1rem;margin-bottom:1rem;padding:.75rem 1rem;background:var(--subject-bg);border-radius:var(--radius-lg);border-left:4px solid var(--subject-color)}.no-subject-selected{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;text-align:center;background:var(--color-card);border-radius:var(--radius-xl);border:2px dashed var(--color-border)}.no-subject-selected p{margin-top:1rem;color:var(--color-text-light);font-size:1.1rem}.level-footer{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--color-border-light)}@media(max-width:768px){.level-header{flex-direction:column;text-align:center}.level-icon{font-size:2.5rem}.level-header h1{font-size:1.75rem}.subject-selector{padding:.75rem;gap:.4rem}.subject-pill{padding:.5rem .75rem;font-size:.85rem}.pill-name{display:none}.pill-icon{font-size:1.25rem}.no-subject-selected{padding:3rem 1.5rem}}