*{margin:0;padding:0;box-sizing:border-box}:root{--bg-sidebar:#f8fafc;--bg-main:#ffffff;--primary:#1e40af;--primary-dark:#1e3a8a;--accent:#0f172a;--border:#e2e8f0;--card-shadow:0 8px 20px rgba(0,0,0,0.03),0 2px 4px rgba(0,0,0,0.05);--text-main:#0f172a;--text-muted:#475569;--tag-bg:#eef2ff;--tag-color:#1e40af;--code-bg:#f1f5f9;--transition:all 0.3s ease}.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#f5f7fa 0%,#c3cfe2 100%)}.login-card{background:white;border-radius:12px;box-shadow:0 20px 40px rgba(0,0,0,0.1);padding:2.5rem;width:100%;max-width:400px;transition:all 0.3s ease}.login-card:hover{box-shadow:0 25px 50px rgba(0,0,0,0.15)}.login-card h1{font-size:1.8rem;margin-bottom:0.5rem;color:var(--primary);text-align:center}.login-subtitle{text-align:center;color:var(--text-muted);margin-bottom:2rem}.auth-tabs{display:flex;margin-bottom:1.5rem;border-bottom:1px solid var(--border)}.auth-tab{flex:1;padding:0.75rem;background:none;border:none;font-size:1rem;font-weight:500;color:var(--text-muted);cursor:pointer;transition:all 0.3s ease;border-bottom:2px solid transparent}.auth-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.auth-form{display:flex;flex-direction:column;gap:1rem}.form-group{display:flex;flex-direction:column;gap:0.5rem}.form-group label{font-size:0.9rem;font-weight:500;color:var(--text-main)}.form-input{padding:0.75rem;border:1px solid var(--border);border-radius:6px;font-size:1rem;transition:all 0.3s ease}.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(30,64,175,0.1)}.auth-button{padding:0.75rem;background:var(--primary);color:white;border:none;border-radius:6px;font-size:1rem;font-weight:500;cursor:pointer;transition:all 0.3s ease;margin-top:1rem}.auth-button:hover{background:var(--primary-dark)}.auth-button:disabled{background:#93c5fd;cursor:not-allowed}.error-message{background:#fee2e2;color:#b91c1c;padding:0.75rem;border-radius:6px;font-size:0.9rem;margin-bottom:1rem}body.dark-theme{--bg-sidebar:#1e293b;--bg-main:#0f172a;--primary:#3b82f6;--primary-dark:#2563eb;--accent:#f8fafc;--border:#334155;--card-shadow:0 8px 20px rgba(0,0,0,0.15),0 2px 4px rgba(0,0,0,0.2);--text-main:#f8fafc;--text-muted:#94a3b8;--tag-bg:#1e293b;--tag-color:#93c5fd;--code-bg:#1e293b;background:#0f172a}body.dark-theme .card{background:#1e293b;border-color:#334155}body.dark-theme .table-wrap{background:#1e293b;border-color:#334155}body.dark-theme th{background:#334155;color:#f8fafc}body.dark-theme .notes-textarea{background:#1e293b;color:#f8fafc;border-color:#334155}body.dark-theme .notes-textarea:focus{background:#1e293b}body.dark-theme .file-upload-area{background:#1e293b;border-color:#334155}body.dark-theme .file-upload-area:hover{border-color:var(--primary);background:#334155}body.dark-theme .file-upload-area.dragover{border-color:var(--primary);background:#334155}body.dark-theme .file-item{background:#1e293b;border-color:#334155}body.dark-theme .extra-tip{background:#4c1d95;border-left-color:#a855f7;color:#f8fafc}body.dark-theme .search-input{background:#1e293b;color:#f8fafc;border-color:#334155}body.dark-theme .search-results{background:#1e293b;border-color:#334155}body.dark-theme .search-result-item:hover{background:#334155}body.dark-theme .search-result-title{color:#f8fafc}body.dark-theme .search-result-content{color:#94a3b8}body.dark-theme .search-result-highlight{background:#4c1d95;color:#f8fafc}body{font-family:system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;background:#f1f5f9;color:var(--text-main);line-height:1.45;transition:var(--transition)}.page{display:flex;min-height:100vh;max-width:1600px;margin:0 auto;background:var(--bg-main);box-shadow:0 0 40px rgba(0,0,0,0.02)}.sidebar{width:280px;background:var(--bg-sidebar);border-right:1px solid var(--border);padding:2rem 1.2rem;position:sticky;top:0;height:100vh;overflow-y:auto;flex-shrink:0;transition:var(--transition)}.sidebar .title{font-size:1.7rem;font-weight:700;line-height:1.3;background:linear-gradient(135deg,#0f2b4d,#1e3a8a);background-clip:text;-webkit-background-clip:text;color:transparent;margin-bottom:0.5rem}.progress{font-size:0.85rem;background:#e0e7ff;display:inline-block;padding:0.2rem 0.8rem;border-radius:20px;color:var(--primary-dark);margin:1rem 0 1rem 0;transition:var(--transition)}.jump-select{width:100%;padding:0.5rem;border-radius:12px;border:1px solid var(--border);background:white;font-size:0.85rem;margin-bottom:1.5rem;cursor:pointer;outline:none;transition:var(--transition)}.jump-select:focus{border-color:var(--primary);box-shadow:0 0 0 2px rgba(30,64,175,0.2)}.nav-list{list-style:none;margin-top:0.5rem}.nav-item{margin-bottom:0.4rem}.nav-item a{display:flex;align-items:center;gap:0.75rem;padding:0.6rem 0.8rem;border-radius:12px;color:var(--text-main);text-decoration:none;font-weight:500;font-size:0.9rem;transition:var(--transition)}.nav-item a:hover{background:#e6edf5;color:var(--primary);transform:translateX(4px)}.nav-item a.active{background:#e0e7ff;color:var(--primary-dark);font-weight:600;transform:translateX(4px)}.index{font-weight:600;color:var(--primary);background:#eef2ff;width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;font-size:0.8rem}.main{flex:1;padding:2rem 2rem 3rem 2rem;overflow-x:auto}.top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1.5rem;margin-bottom:2rem;border-bottom:1px var(--border);padding-bottom:1.5rem}.top h1{font-size:2rem;font-weight:700;background:linear-gradient(145deg,#0f2b4d,#2563eb);background-clip:text;-webkit-background-clip:text;color:transparent;letter-spacing:-0.01em;animation:fadeInUp 0.8s ease-out}.top p{color:var(--text-muted);max-width:550px;margin-top:0.5rem;animation:fadeInUp 0.8s ease-out 0.2s both}.search-container{margin-top:1rem;position:relative;max-width:400px;animation:fadeInUp 0.8s ease-out 0.4s both}.search-input{width:100%;padding:0.75rem 3rem 0.75rem 1rem;border:2px solid var(--border);border-radius:25px;font-size:0.9rem;outline:none;transition:var(--transition);background:white}.search-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(30,64,175,0.1)}.search-button{position:absolute;right:4px;top:50%;transform:translateY(-50%);background:var(--primary);color:white;border:none;border-radius:50%;width:36px;height:36px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:var(--transition)}.search-button:hover{background:var(--primary-dark);transform:translateY(-50%) scale(1.05)}.search-results{position:absolute;top:100%;left:0;right:0;background:white;border:1px solid var(--border);border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,0.1);max-height:300px;overflow-y:auto;z-index:1000;margin-top:0.5rem;display:none;animation:fadeIn 0.3s ease-out}.search-result-item{padding:0.75rem 1rem;border-bottom:1px solid var(--border);cursor:pointer;transition:var(--transition)}.search-result-item:hover{background:#f8fafc;transform:translateX(4px)}.search-result-item:last-child{border-bottom:none}.search-result-title{font-weight:600;color:var(--text-main);margin-bottom:0.25rem}.search-result-section{font-size:0.8rem;color:var(--text-muted)}.search-result-highlight{background:#fef3c7;font-weight:600}.theme-toggle{display:flex;align-items:center}.theme-button{background:var(--primary);color:white;border:none;border-radius:50%;width:40px;height:40px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.2rem;transition:var(--transition);box-shadow:0 2px 4px rgba(0,0,0,0.1)}.theme-button:hover{background:var(--primary-dark);transform:scale(1.1)}.body.dark-theme .theme-button{background:#334155;color:#f8fafc}.body.dark-theme .theme-button:hover{background:#475569}.stats{display:flex;gap:1.8rem;background:#f8fafc;padding:0.6rem 1.2rem;border-radius:40px;align-items:center;animation:fadeInUp 0.8s ease-out 0.6s both}.stat{text-align:center}.stat .label{font-size:0.7rem;text-transform:uppercase;color:var(--text-muted);letter-spacing:0.5px}.stat .value{font-size:1.8rem;font-weight:800;color:var(--primary);line-height:1;animation:countUp 1.5s ease-out}.tags{display:flex;flex-wrap:wrap;gap:0.5rem;margin-bottom:2rem;animation:fadeInUp 0.8s ease-out 0.8s both}.tag{background:var(--tag-bg);color:var(--tag-color);padding:0.3rem 1rem;border-radius:30px;font-size:0.8rem;font-weight:500;transition:var(--transition);cursor:pointer}.tag:hover{transform:scale(1.05);box-shadow:0 2px 4px rgba(0,0,0,0.1)}.tag.important{background:#1e40af;color:white}.content{display:flex;flex-direction:column;gap:3rem}.section{scroll-margin-top:1.5rem;background:white;border-radius:1.5rem;padding:0.2rem 0 1rem 0;opacity:1;transition:var(--transition);box-shadow:var(--card-shadow)}.section:hover{box-shadow:0 12px 24px -12px rgba(0,0,0,0.12)}.lazy-load{opacity:0;transform:translateY(20px);transition:opacity 0.5s ease-in-out,transform 0.5s ease-in-out}.lazy-load.loaded{opacity:1;transform:translateY(0)}.section h2{font-size:1.8rem;font-weight:700;border-left:6px solid var(--primary);padding-left:1rem;margin-bottom:0.75rem;display:flex;justify-content:space-between;align-items:center;animation:fadeInLeft 0.6s ease-out}.notes-toggle{background:#e0e7ff;color:var(--primary-dark);border:none;padding:0.3rem 0.8rem;border-radius:20px;font-size:0.8rem;cursor:pointer;transition:var(--transition)}.notes-toggle:hover{background:var(--primary);color:white;transform:scale(1.05)}.bookmark-button,.progress-button{background:none;border:none;font-size:1rem;cursor:pointer;margin-left:0.5rem;padding:0.2rem;border-radius:50%;transition:var(--transition)}.bookmark-button:hover,.progress-button:hover{background:rgba(30,64,175,0.1);transform:scale(1.1)}.bookmark-button.active,.progress-button.active{background:rgba(30,64,175,0.2);transform:scale(1.1)}.notes-area{margin-top:1rem;display:none;animation:fadeIn 0.3s ease-out}.notes-area.show{display:block}.notes-textarea{width:100%;min-height:120px;padding:1rem;border:1px solid var(--border);border-radius:12px;font-family:inherit;font-size:0.9rem;line-height:1.5;resize:vertical;background:#f8fafc;outline:none;transition:var(--transition)}.notes-textarea:focus{border-color:var(--primary);background:white;box-shadow:0 0 0 2px rgba(30,64,175,0.1)}.notes-save{margin-top:0.5rem;background:var(--primary);color:white;border:none;padding:0.5rem 1rem;border-radius:8px;font-size:0.85rem;cursor:pointer;transition:var(--transition)}.notes-save:hover{background:var(--primary-dark);transform:scale(1.02)}.file-upload-area{margin-top:1rem;padding:1rem;border:2px dashed var(--border);border-radius:12px;background:#f8fafc;text-align:center;transition:var(--transition)}.file-upload-area:hover{border-color:var(--primary);background:#f0f4ff}.file-upload-area.dragover{border-color:var(--primary);background:#e0e7ff;transform:scale(1.01)}.file-input{display:none}.upload-btn{background:var(--primary);color:white;border:none;padding:0.5rem 1rem;border-radius:8px;font-size:0.85rem;cursor:pointer;margin-bottom:0.5rem;transition:var(--transition)}.upload-btn:hover{background:var(--primary-dark);transform:scale(1.02)}.uploaded-files{margin-top:1rem}.file-item{display:flex;align-items:center;justify-content:space-between;padding:0.5rem;background:white;border:1px solid var(--border);border-radius:8px;margin-bottom:0.5rem;transition:var(--transition);animation:fadeIn 0.3s ease-out}.file-item:hover{box-shadow:0 2px 4px rgba(0,0,0,0.1);transform:translateX(4px)}.file-info{display:flex;align-items:center;gap:0.5rem}.file-icon{font-size:1.2rem}.file-name{font-size:0.85rem;font-weight:500}.file-size{font-size:0.75rem;color:var(--text-muted)}.file-actions{display:flex;gap:0.5rem}.file-download,.file-delete{background:none;border:none;padding:0.3rem 0.6rem;border-radius:6px;font-size:0.75rem;cursor:pointer;transition:var(--transition)}.file-download{background:#10b981;color:white}.file-download:hover{background:#059669;transform:scale(1.05)}.file-delete{background:#ef4444;color:white}.file-delete:hover{background:#dc2626;transform:scale(1.05)}.section>p{color:var(--text-muted);margin-bottom:1.5rem;font-size:0.95rem;animation:fadeIn 0.6s ease-out 0.2s both}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;margin:1.5rem 0}.card{background:#ffffff;border:1px solid var(--border);border-radius:1.2rem;padding:1.3rem 1.2rem;transition:var(--transition);box-shadow:var(--card-shadow);animation:fadeInUp 0.6s ease-out}.card{cursor:pointer;transition:all 0.3s ease}.card:hover{transform:translateY(-3px);border-color:#cbd5e1;box-shadow:0 12px 24px -12px rgba(0,0,0,0.12)}.card-footer{margin-top:1rem;text-align:right}.read-more{color:var(--primary);font-size:0.85rem;font-weight:500;transition:all 0.3s ease}.card:hover .read-more{color:var(--primary-dark);transform:translateX(5px)}.card h3{font-size:1.2rem;font-weight:700;margin-bottom:0.75rem;display:flex;align-items:center;gap:0.5rem}.card p{color:var(--text-muted);font-size:0.9rem;line-height:1.5}.table-wrap{overflow-x:auto;margin:1rem 0 1.2rem;border-radius:1rem;border:1px solid var(--border);background:white;animation:fadeIn 0.6s ease-out 0.3s both}table{width:100%;border-collapse:collapse;font-size:0.85rem}th,td{padding:0.75rem 1rem;text-align:left;border-bottom:1px solid var(--border);transition:var(--transition)}th{background:#f1f5f9;font-weight:600}tr:last-child td{border-bottom:none}tr:hover td{background:rgba(30,64,175,0.02)}.code-block{background:var(--code-bg);padding:0.9rem;border-radius:12px;font-family:'JetBrains Mono',monospace;font-size:0.8rem;border-left:4px solid var(--primary);margin-top:1rem;white-space:pre-wrap;word-break:break-word;animation:fadeIn 0.6s ease-out 0.4s both}.extra-tip{background:#fef9e3;border-radius:1rem;padding:0.8rem 1.2rem;margin-top:0.5rem;font-size:0.85rem;border-left:4px solid #eab308;animation:fadeIn 0.6s ease-out 0.5s both}footer{margin-top:3rem;text-align:center;font-size:0.75rem;color:var(--text-muted);border-top:1px solid var(--border);padding-top:2rem;animation:fadeIn 0.8s ease-out 1s both}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInLeft{from{opacity:0;transform:translateX(-20px)}to{opacity:1;transform:translateX(0)}}@keyframes countUp{from{opacity:0;transform:scale(0.8)}to{opacity:1;transform:scale(1)}}@media (max-width:780px){.page{flex-direction:column}.sidebar{width:100%;height:auto;position:relative;border-right:none;border-bottom:1px solid var(--border);padding:1rem;max-height:300px;overflow-y:auto}.main{padding:1rem}.top{flex-direction:column;align-items:flex-start}.stats{justify-content:space-around;width:100%;flex-wrap:wrap;gap:1rem}.card-grid{grid-template-columns:1fr;gap:1rem}.section h2{font-size:1.4rem;flex-direction:column;align-items:flex-start;gap:0.5rem}.notes-toggle{align-self:flex-start}.stats .stat{min-width:80px}.stats .stat .value{font-size:1.4rem}.top h1{font-size:1.6rem}.mobile-menu-toggle{display:block;background:var(--primary);color:white;border:none;padding:0.5rem;border-radius:8px;font-size:0.9rem;cursor:pointer;margin-bottom:1rem}.sidebar-content{display:none}.sidebar-content.show{display:block}}@media (hover:none) and (pointer:coarse){.nav-item a{padding:0.8rem 1rem}.notes-toggle,.notes-save,.upload-btn,.file-download,.file-delete{padding:0.6rem 1.2rem;font-size:0.9rem}.card{padding:1.5rem 1.4rem}}img{max-width:100%;height:auto;transition:var(--transition)}.lazy-image{opacity:0;transform:scale(0.95);transition:var(--transition)}.lazy-image.loaded{opacity:1;transform:scale(1)}.user-auth{display:flex;justify-content:flex-end;align-items:center;gap:1rem;margin-bottom:1rem}.user-info{display:flex;align-items:center;gap:1rem}.user-info span{font-weight:500;color:var(--text-main)}.login-button,.register-button,.logout-button{padding:0.5rem 1rem;border-radius:8px;font-size:0.85rem;cursor:pointer;transition:var(--transition);border:none}.login-button{background:var(--primary);color:white}.login-button:hover{background:var(--primary-dark);transform:scale(1.02)}.register-button{background:#f1f5f9;color:var(--text-main);border:1px solid var(--border)}.register-button:hover{background:#e2e8f0;transform:scale(1.02)}.logout-button{background:#ef4444;color:white}.logout-button:hover{background:#dc2626;transform:scale(1.02)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);display:flex;align-items:center;justify-content:center;z-index:2000;animation:fadeIn 0.3s ease-out}.modal-content{background:white;border-radius:16px;padding:2rem;max-width:400px;width:90%;box-shadow:0 20px 40px rgba(0,0,0,0.2);animation:fadeInUp 0.3s ease-out}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.modal-header h2{margin:0;font-size:1.5rem;color:var(--text-main)}.modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-muted);transition:var(--transition)}.modal-close:hover{color:var(--text-main);transform:scale(1.1)}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:0.5rem;font-weight:500;color:var(--text-main)}.form-group input{width:100%;padding:0.75rem;border:1px solid var(--border);border-radius:8px;font-size:0.9rem;transition:var(--transition)}.form-group input:focus{border-color:var(--primary);box-shadow:0 0 0 2px rgba(30,64,175,0.1);outline:none}.auth-button{width:100%;padding:0.75rem;background:var(--primary);color:white;border:none;border-radius:8px;font-size:0.9rem;cursor:pointer;transition:var(--transition);margin-top:1rem}.auth-button:hover:not(:disabled){background:var(--primary-dark);transform:scale(1.02)}.auth-button:disabled{background:#94a3b8;cursor:not-allowed}.error-message{background:#fee2e2;border:1px solid #fecaca;border-radius:8px;padding:0.75rem;margin-bottom:1rem;color:#dc2626;font-size:0.85rem}.auth-toggle{margin-top:1rem;text-align:center;font-size:0.85rem;color:var(--text-muted)}.toggle-button{background:none;border:none;color:var(--primary);cursor:pointer;font-weight:500;transition:var(--transition)}.toggle-button:hover{text-decoration:underline;transform:scale(1.05)}.export-buttons{display:flex;gap:0.5rem}.export-pdf-button,.export-md-button{padding:0.5rem 1rem;border-radius:8px;font-size:0.85rem;cursor:pointer;transition:var(--transition);border:none}.export-pdf-button{background:#10b981;color:white}.export-pdf-button:hover{background:#059669;transform:scale(1.02)}.export-md-button{background:#f59e0b;color:white}.export-md-button:hover{background:#d97706;transform:scale(1.02)}.update-button{background:#8b5cf6;color:white;border:none;padding:0.5rem 1rem;border-radius:8px;font-size:0.85rem;cursor:pointer;transition:var(--transition)}.update-button:hover{background:#7c3aed;transform:scale(1.02)}.comments-section{margin-top:2rem;padding-top:2rem;border-top:1px solid var(--border)}.comments-title{font-size:1.2rem;font-weight:700;margin-bottom:1.5rem;color:var(--text-main)}.comment-input-section{margin-bottom:2rem}.comment-input{width:100%;padding:1rem;border:1px solid var(--border);border-radius:12px;font-family:inherit;font-size:0.9rem;line-height:1.5;resize:vertical;transition:var(--transition)}.comment-input:focus{border-color:var(--primary);box-shadow:0 0 0 2px rgba(30,64,175,0.1);outline:none}.comment-submit{margin-top:0.5rem;background:var(--primary);color:white;border:none;padding:0.5rem 1rem;border-radius:8px;font-size:0.85rem;cursor:pointer;transition:var(--transition)}.comment-submit:hover{background:var(--primary-dark);transform:scale(1.02)}.no-comments{text-align:center;color:var(--text-muted);padding:2rem;background:#f8fafc;border-radius:12px}.comments-list{display:flex;flex-direction:column;gap:1.5rem}.comment-item{background:white;border:1px solid var(--border);border-radius:12px;padding:1.5rem;transition:var(--transition)}.comment-item:hover{box-shadow:0 4px 12px rgba(0,0,0,0.1)}.comment-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:0.75rem}.comment-username{font-weight:600;color:var(--primary)}.comment-date{font-size:0.8rem;color:var(--text-muted)}.comment-content{margin-bottom:1rem;line-height:1.5;color:var(--text-main)}.comment-actions{display:flex;gap:0.5rem}.reply-button{background:none;border:none;color:var(--primary);cursor:pointer;font-size:0.85rem;transition:var(--transition)}.reply-button:hover{text-decoration:underline;transform:scale(1.05)}.reply-input-section{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border)}.reply-input{width:100%;padding:0.75rem;border:1px solid var(--border);border-radius:8px;font-family:inherit;font-size:0.85rem;line-height:1.5;resize:vertical;transition:var(--transition)}.reply-input:focus{border-color:var(--primary);box-shadow:0 0 0 2px rgba(30,64,175,0.1);outline:none}.reply-actions{display:flex;gap:0.5rem;margin-top:0.5rem}.reply-submit{background:var(--primary);color:white;border:none;padding:0.375rem 0.75rem;border-radius:6px;font-size:0.8rem;cursor:pointer;transition:var(--transition)}.reply-submit:hover{background:var(--primary-dark);transform:scale(1.02)}.reply-cancel{background:#f1f5f9;color:var(--text-main);border:1px solid var(--border);padding:0.375rem 0.75rem;border-radius:6px;font-size:0.8rem;cursor:pointer;transition:var(--transition)}.reply-cancel:hover{background:#e2e8f0;transform:scale(1.02)}.replies-list{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:1rem}.reply-item{background:#f8fafc;border:1px solid var(--border);border-radius:8px;padding:1rem;transition:var(--transition)}.reply-item:hover{box-shadow:0 2px 8px rgba(0,0,0,0.05)}.reply-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:0.5rem}.reply-username{font-weight:500;color:var(--primary);font-size:0.85rem}.reply-date{font-size:0.75rem;color:var(--text-muted)}.reply-content{font-size:0.85rem;line-height:1.5;color:var(--text-main)}