.breadcrumb{color:var(--text-muted);border-bottom:1px solid var(--border);padding:16px 48px;font-size:13px}.breadcrumb a{color:var(--text-muted);text-decoration:none}.breadcrumb a:hover{color:var(--gold)}.breadcrumb span{margin:0 8px}.concept-title{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:8px;display:flex}.concept-title h2{color:var(--l3);margin:0;font-size:22px}.pali-sub{color:var(--text-muted);font-size:13px;font-style:italic}.concept-desc{color:var(--text-muted);margin-bottom:20px;font-size:14px;line-height:1.7}.concept-section{border-top:1px solid var(--border);margin:40px 0;padding-top:40px}.connector-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin:14px 0;padding:18px 22px}.connector-box h4{color:var(--gold);margin-bottom:8px;font-size:13px}.chain{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.chain-node{border-radius:20px;padding:4px 12px;font-size:12px;font-weight:600}.chain-arrow{color:var(--gold);opacity:.6;font-size:16px}.diagram-wrap{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);margin:16px 0;overflow:hidden}.ngu-uan-stack{border-radius:var(--radius);border:1px solid var(--border);flex-direction:column;gap:0;margin:16px 0;display:flex;overflow:hidden}.uan-layer{border-bottom:1px solid var(--border);transition:var(--transition);cursor:default;align-items:center;gap:16px;padding:14px 20px;display:flex}.uan-layer:last-child{border-bottom:none}.uan-layer:hover{filter:brightness(1.1)}.uan-num{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:14px;font-weight:800;display:flex}.uan-content{flex:1}.uan-content h4{margin-bottom:2px;font-size:14px;font-weight:700}.uan-content .pali{opacity:.6;margin-bottom:4px;font-size:11px;font-style:italic}.uan-content p{color:var(--text-muted);margin:0;font-size:12px}.uan-tag{border-radius:4px;margin-top:5px;padding:2px 8px;font-size:11px;display:inline-block}.uan-self{border-radius:var(--radius-sm);background:#e74c3c14;border:1px dashed #e74c3c66;justify-content:space-between;align-items:center;margin-top:8px;padding:14px 20px;display:flex}.nd-grid{gap:8px;margin:16px 0;display:grid}.nd-period{margin-bottom:4px}.nd-period-label{letter-spacing:2px;text-transform:uppercase;opacity:.7;margin-bottom:6px;font-size:10px;font-weight:700}.nd-links{flex-wrap:wrap;gap:6px;display:flex}.nd-link{border-radius:var(--radius-sm);cursor:pointer;min-width:80px;transition:var(--transition);border:1px solid;flex-direction:column;align-items:center;padding:8px 10px;display:flex;position:relative}.nd-link:hover{transform:translateY(-3px)}.nd-link .nd-num{letter-spacing:1px;opacity:.6;font-size:9px;font-weight:700}.nd-link .nd-name{text-align:center;margin:2px 0;font-size:12px;font-weight:700}.nd-link .nd-pali{opacity:.55;text-align:center;font-size:9px;font-style:italic}.nd-link .nd-desc{color:var(--text-muted);text-align:center;margin-top:3px;font-size:10px;display:none}.nd-link:hover .nd-desc{display:block}.nd-arrow-row{color:var(--gold);opacity:.4;justify-content:center;align-items:center;margin:2px 0;font-size:18px;display:flex}.proof-steps{border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:0;margin:16px 0;display:flex;overflow:hidden}.proof-step{border-bottom:1px solid var(--border);transition:var(--transition);gap:14px;padding:14px 18px;display:flex}.proof-step:last-child{border-bottom:none}.proof-step:hover{background:var(--bg-card-hover)}.proof-label{letter-spacing:1px;opacity:.8;min-width:80px;padding-top:2px;font-size:10px;font-weight:700}.proof-text{font-size:13px;line-height:1.6}.tam-phap-an{grid-template-columns:repeat(3,1fr);gap:14px;margin:16px 0;display:grid}.tpa-card{border-radius:var(--radius);transition:var(--transition);border:1px solid;padding:18px}.tpa-card:hover{transform:translateY(-3px)}.tpa-card h3{margin-bottom:4px;font-size:17px;font-weight:800}.tpa-card .pali{opacity:.6;margin-bottom:10px;font-size:11px;font-style:italic}.tpa-card p{color:var(--text-muted);margin-bottom:8px;font-size:12px;line-height:1.6}.tpa-card .relation{border-radius:4px;padding:5px 8px;font-size:11px}.that-giac-chi{grid-template-columns:repeat(7,1fr);gap:8px;margin:16px 0;display:grid}.tgc-item{text-align:center;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);transition:var(--transition);padding:12px 6px;font-size:11px}.tgc-item:hover{border-color:var(--l3);transform:translateY(-2px)}.tgc-item .tgc-num{color:var(--text-muted);margin-bottom:4px;font-size:9px}.tgc-item .tgc-name{color:var(--l3);margin-bottom:3px;font-weight:700}.tgc-item .tgc-en{color:var(--text-muted);font-size:9px;font-style:italic}.study-weeks{flex-direction:column;gap:10px;margin:16px 0;display:flex}.week-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);gap:16px;padding:14px 18px;display:flex}.week-num{min-width:70px;color:var(--l3);font-size:13px;font-weight:800}.week-content h4{margin-bottom:4px;font-size:14px}.week-content p{color:var(--text-muted);margin:0;font-size:12px}.week-content .resources{flex-wrap:wrap;gap:6px;margin-top:6px;display:flex}.res-tag{color:var(--l3);background:#9b59b61a;border:1px solid #9b59b64d;border-radius:4px;padding:2px 8px;font-size:11px}.checklist{margin:16px 0;list-style:none}.checklist li{background:var(--bg-card);border-radius:var(--radius-sm);border:1px solid var(--border);transition:var(--transition);cursor:pointer;align-items:flex-start;gap:10px;margin-bottom:6px;padding:10px 14px;font-size:13px;display:flex}.checklist li:hover{border-color:var(--l3)}.checklist li.done{background:#9b59b614;border-color:#9b59b64d}.check-icon{border:2px solid var(--border);width:18px;height:18px;transition:var(--transition);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-top:1px;display:flex}.checklist li.done .check-icon{background:var(--l3);border-color:var(--l3)}.check-icon:after{content:"";border:2px solid #fff;border-top:none;border-left:none;width:5px;height:9px;display:none;transform:rotate(45deg)translate(-1px,-1px)}.checklist li.done .check-icon:after{display:block}.level-nav{border-top:1px solid var(--border);justify-content:space-between;align-items:center;padding:24px 48px;display:flex}.nav-btn{border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--border);color:var(--text);transition:var(--transition);align-items:center;gap:8px;padding:10px 20px;font-size:13px;text-decoration:none;display:flex}.nav-btn:hover{border-color:var(--gold);color:var(--gold)}.nd-tooltip{background:var(--bg-card);border:1px solid var(--l3);border-radius:var(--radius-sm);color:var(--text);pointer-events:none;z-index:500;opacity:0;max-width:200px;padding:8px 12px;font-size:12px;transition:opacity .15s;position:fixed;box-shadow:0 4px 20px #0006}.nd-tooltip.show{opacity:1}@media (width<=900px){.tam-phap-an{grid-template-columns:1fr}.that-giac-chi{grid-template-columns:repeat(4,1fr)}.breadcrumb,.level-nav{padding:14px 20px}}@media (width<=600px){.that-giac-chi{grid-template-columns:repeat(2,1fr)}}