.pf-root *{box-sizing:border-box;margin:0;padding:0}.pf-root{font-family:DM Sans,Segoe UI,sans-serif;background:#faf9f7;min-height:100vh;display:flex;flex-direction:column}.pf-header{padding:1.25rem 2rem;border-bottom:1px solid #e8e6e1;background:#fff;display:flex;align-items:baseline;gap:1rem;flex-wrap:wrap}.pf-header-name{font-family:"DM Serif Display",serif;font-size:20px;color:#1a1917;letter-spacing:-.01em}.pf-header-dot{color:#d0cdc7;margin:0 4px}.pf-header-sub{font-size:12px;font-family:DM Mono,monospace;color:#9a9895}.pf-body{display:flex;flex:1;overflow:hidden;min-height:600px}.pf-tl{width:300px;min-width:260px;overflow-y:auto;background:#fff;border-right:1px solid #e8e6e1;padding:1.5rem 0}.pf-year-block{margin-bottom:1.75rem}.pf-year{font-family:DM Mono,monospace;font-size:10px;color:#9a9895;letter-spacing:.1em;text-transform:uppercase;padding:0 1.25rem .6rem 3.25rem;border-bottom:1px solid #e8e6e1;margin-bottom:.5rem}.pf-branch{position:relative;padding-left:3.25rem;padding-right:1rem}.pf-spine{position:absolute;left:1.25rem;top:0;bottom:0;width:1px;background:#e8e6e1}.pf-node{position:relative;margin-bottom:4px;cursor:pointer}.pf-node-line{position:absolute;left:-2rem;top:50%;transform:translateY(-50%);width:1.6rem;height:1px;background:#e8e6e1;transition:background .2s}.pf-node-dot{position:absolute;left:-2.4rem;top:50%;transform:translateY(-50%);width:9px;height:9px;border-radius:50%;border:2px solid #fff;transition:all .2s;z-index:2}.pf-node-card{padding:9px 12px;border-radius:8px;border:1px solid transparent;transition:all .18s ease;background:transparent}.pf-node:hover .pf-node-card{background:#faf9f7;border-color:#e8e6e1}.pf-node.active .pf-node-card{background:#eff4ff;border-color:#bfcffd}.pf-node-role{font-size:10px;font-family:DM Mono,monospace;color:#9a9895;margin-bottom:3px}.pf-node-title{font-size:13px;font-weight:500;color:#1a1917;line-height:1.35}.pf-node-period{font-size:11px;font-family:DM Mono,monospace;color:#9a9895;margin-top:2px}.pf-detail{flex:1;overflow-y:auto;padding:2rem 2.5rem}.pf-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:#9a9895;gap:10px}.pf-empty p{font-size:13px}.pf-dc{animation:pfFadeUp .22s ease}@keyframes pfFadeUp{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.pf-dc-hero{padding-bottom:1.5rem;border-bottom:1px solid #e8e6e1;margin-bottom:1.75rem}.pf-dc-eyebrow{font-family:DM Mono,monospace;font-size:11px;color:#9a9895;letter-spacing:.06em;text-transform:uppercase;margin-bottom:6px;display:flex;align-items:center;gap:8px}.pf-dc-title{font-family:"DM Serif Display",serif;font-size:28px;color:#1a1917;line-height:1.2;letter-spacing:-.02em;margin-bottom:8px}.pf-dc-tagline{font-size:14px;color:#4a4845;line-height:1.6;margin-bottom:14px}.pf-dc-meta{display:flex;flex-wrap:wrap;gap:8px}.pf-pill{font-size:11px;font-family:DM Mono,monospace;padding:3px 10px;border-radius:100px;border:1px solid #d0cdc7;color:#4a4845;background:#fff}.pf-section{margin-bottom:2rem}.pf-section-head{display:flex;align-items:center;gap:8px;margin-bottom:1rem}.pf-section-num{font-family:DM Mono,monospace;font-size:10px;color:#9a9895;width:20px}.pf-section-title{font-size:11px;font-weight:500;color:#9a9895;letter-spacing:.1em;text-transform:uppercase;font-family:DM Mono,monospace}.pf-section-rule{flex:1;height:1px;background:#e8e6e1}.pf-arch-box{background:#fff;border:1px solid #e8e6e1;border-radius:10px;padding:1rem 1.25rem;margin-top:.75rem}.pf-arch-label{font-size:10px;font-family:DM Mono,monospace;color:#9a9895;letter-spacing:.06em;text-transform:uppercase;margin-bottom:8px}.pf-arch-layers{display:flex;flex-direction:column;gap:4px}.pf-arch-layer{display:flex;align-items:center;gap:8px;font-size:12px;font-family:DM Mono,monospace;color:#4a4845}.pf-arch-layer-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}.pf-team-row{display:flex;align-items:center;gap:10px;margin-top:.75rem;padding:10px 14px;background:#fff;border:1px solid #e8e6e1;border-radius:8px}.pf-team-icon{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0}.pf-team-info{font-size:13px;color:#1a1917}.pf-team-sub{font-size:11px;font-family:DM Mono,monospace;color:#9a9895}.pf-stack-groups{display:flex;flex-direction:column;gap:10px}.pf-stack-group-label{font-size:10px;font-family:DM Mono,monospace;color:#9a9895;letter-spacing:.06em;text-transform:uppercase;margin-bottom:6px}.pf-stack-chips{display:flex;flex-wrap:wrap;gap:5px}.pf-stack-chip{font-size:12px;font-family:DM Mono,monospace;padding:4px 10px;border-radius:6px;border:1px solid #d0cdc7;color:#1a1917;background:#fff}.pf-tasks{list-style:none;display:flex;flex-direction:column;gap:8px;padding:0}.pf-task{display:flex;gap:10px;align-items:flex-start;padding:10px 14px;background:#fff;border:1px solid #e8e6e1;border-radius:8px;transition:border-color .15s}.pf-task:hover{border-color:#d0cdc7}.pf-task-bullet{width:4px;height:4px;border-radius:50%;background:#2563eb;margin-top:7px;flex-shrink:0}.pf-task-text{font-size:13px;color:#4a4845;line-height:1.6}.pf-task-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}.pf-task-tag{font-size:10px;font-family:DM Mono,monospace;padding:2px 7px;border-radius:100px;display:inline-block}.pf-troubles{display:flex;flex-direction:column;gap:10px}.pf-trouble{background:#fff;border:1px solid #e8e6e1;border-radius:10px;overflow:hidden}.pf-trouble-q{padding:12px 14px;display:flex;align-items:flex-start;gap:10px}.pf-trouble-q-icon{font-size:10px;font-family:DM Mono,monospace;background:#fef3c7;color:#92400e;padding:2px 7px;border-radius:4px;flex-shrink:0;margin-top:1px}.pf-trouble-q-text{font-size:13px;font-weight:500;color:#1a1917;line-height:1.45;flex:1}.pf-trouble-a{padding:10px 14px 12px 42px;font-size:13px;color:#4a4845;line-height:1.7;border-top:1px solid #e8e6e1}.pf-links{display:flex;gap:8px;flex-wrap:wrap}.pf-link{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-family:DM Mono,monospace;padding:5px 12px;border:1px solid #d0cdc7;border-radius:6px;color:#4a4845;text-decoration:none;background:#fff;transition:border-color .15s,color .15s;cursor:pointer}.pf-link:hover{border-color:#2563eb;color:#2563eb}@media (max-width:680px){.pf-body{flex-direction:column}.pf-tl{width:100%;min-width:unset;border-right:none;border-bottom:1px solid #e8e6e1;max-height:260px}.pf-detail{padding:1.25rem}}