.pw-problem,.pw-dark{--st-bg:#0b0b0f;--st-fg:#f5f5f7;--st-fg-muted:#f5f5f7b8;--st-fg-subtle:#f5f5f780;--st-fg-faint:#f5f5f73d;--st-border:#f5f5f72e;--pw-accent:var(--brand-on-ink);--lp-focus:var(--pw-accent)}.pw-pipe-slab,.pw-slab{--st-bg:#f7f6f4;--st-fg:#14141b;--st-fg-muted:#14141bb8;--st-fg-subtle:#14141b80;--st-border:#14141b24;--pw-accent:var(--brand);--pw-faint:#14141b29}.pw-problem{background:var(--st-bg);color:var(--st-fg);padding:clamp(80px,10vw,150px) 0 clamp(72px,8vw,120px);position:relative}.pw-problem-head{max-width:780px}.pw-problem-head .st-h2{margin-bottom:24px}.pw-problem-lead{color:var(--st-fg-muted);margin:0;font-size:clamp(1.05rem,1.5vw,1.28rem);line-height:1.6}.pw-problem-lead strong{color:var(--st-fg);font-weight:600}.pw-flow{margin:clamp(44px,6vw,80px) 0 clamp(40px,5vw,64px)}.pw-flow-svg{width:100%;height:auto;display:block;overflow:visible}.pw-flow-path{fill:none;stroke:var(--st-border);stroke-width:2px}.pw-node-dot{fill:var(--st-fg-faint)}.pw-node-dot.is-duty{fill:var(--pw-accent)}.pw-node-dot.is-out{fill:none;stroke:var(--st-fg-faint);stroke-width:1.5px;stroke-dasharray:3 3}.pw-node-name{font-family:var(--font-mono);fill:var(--st-fg);text-anchor:middle;font-size:16px}.pw-node-name.is-out{fill:var(--st-fg-subtle)}.pw-node-tier{font-family:var(--font-mono);letter-spacing:.12em;text-transform:uppercase;fill:var(--st-fg-subtle);text-anchor:middle;font-size:11px}.pw-node-tier.is-duty{fill:var(--pw-accent)}.pw-read-bracket{fill:none;stroke:var(--st-fg-faint);stroke-width:1.5px;stroke-dasharray:4 5}.pw-read-label{font-family:var(--font-mono);letter-spacing:.08em;fill:var(--st-fg-subtle);text-anchor:middle;font-size:12px}.pw-packet{fill:var(--pw-accent);opacity:0}.pw-flow-caption{font-family:var(--font-mono);letter-spacing:.06em;color:var(--st-fg-subtle);text-align:center;margin:clamp(20px,2.5vw,32px) 0 0;font-size:12px}.pw-stats{grid-template-columns:repeat(4,1fr);gap:clamp(20px,3vw,40px);margin:clamp(48px,6vw,84px) 0 clamp(56px,7vw,96px);display:grid}.pw-stat{border-top:1px solid var(--st-border);padding-top:20px}.pw-stat-num{font-family:var(--font-sans);letter-spacing:-.02em;color:var(--st-fg);font-size:clamp(2.4rem,5vw,3.8rem);font-weight:600;line-height:1;display:block}.pw-stat-num.is-accent{color:var(--pw-accent)}.pw-stat-label{font-family:var(--font-mono);letter-spacing:.04em;color:var(--st-fg-muted);margin-top:12px;font-size:12.5px;line-height:1.45;display:block}.pw-verdict{max-width:960px}.pw-verdict-quote{font-family:var(--font-sans);letter-spacing:-.015em;margin:0 0 22px;font-size:clamp(1.5rem,3vw,2.6rem);font-weight:600;line-height:1.16}.pw-verdict-cite{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--st-fg-subtle);font-size:12.5px}@media (max-width:760px){.pw-stats{grid-template-columns:repeat(2,1fr);gap:28px 20px}}.pw-pipe{z-index:1;background:#0b0b0f;padding:0 12px;position:relative}.pw-pipe-slab{background:var(--st-bg);color:var(--st-fg);border-radius:clamp(28px,4vw,60px) clamp(28px,4vw,60px) 0 0;padding:clamp(60px,7vw,110px) 0 clamp(72px,9vw,130px)}.pw-pipe-head{max-width:720px;margin-bottom:clamp(40px,5vw,76px)}.pw-pipe-head .st-h2{margin-bottom:20px}.pw-pipe-sub{color:var(--st-fg-muted);max-width:620px;margin:0;font-size:clamp(1.02rem,1.4vw,1.2rem);line-height:1.6}.pw-pipe-sub strong{color:var(--st-fg);font-weight:600}.pw-pipe-steps{flex-direction:column;gap:clamp(30px,4.5vw,60px);display:flex;position:relative}.pw-pipe-rail-bg,.pw-pipe-rail-fill{border-radius:2px;width:2px;position:absolute;top:23px;bottom:23px;left:31px}.pw-pipe-rail-bg{background:var(--pw-faint)}.pw-pipe-rail-fill{background:var(--pw-accent);transform-origin:top;transform:scaleY(1)}.pw-pipe-packet{background:var(--pw-accent);width:12px;height:12px;box-shadow:0 0 0 5px color-mix(in srgb, var(--pw-accent) 22%, transparent);opacity:0;border-radius:50%;position:absolute;top:17px;left:26px}.pw-pipe-step{grid-template-columns:64px 1fr;align-items:start;gap:clamp(16px,2.5vw,36px);display:grid;position:relative}.pw-pipe-marker{z-index:1;background:var(--st-bg);border:1.5px solid var(--st-border);width:46px;height:46px;font-family:var(--font-mono);letter-spacing:.02em;color:var(--st-fg-subtle);border-radius:50%;justify-content:center;align-items:center;margin:0 auto;font-size:13px;display:flex;position:relative}.pw-pipe-marker.is-active{border-color:var(--pw-accent);background:var(--pw-accent);color:#fff}.pw-pipe-content{padding-top:4px}.pw-pipe-label{font-family:var(--font-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--pw-accent);margin-bottom:12px;font-size:12px;display:block}.pw-pipe-h3{font-family:var(--font-sans);letter-spacing:-.01em;margin:0 0 14px;font-size:clamp(1.35rem,2.4vw,2rem);font-weight:600;line-height:1.1}.pw-pipe-body{color:var(--st-fg-muted);max-width:620px;margin:0 0 18px;font-size:clamp(1rem,1.25vw,1.12rem);line-height:1.6}.pw-pipe-chips{flex-wrap:wrap;gap:8px;display:flex}.pw-pipe-chip{font-family:var(--font-mono);letter-spacing:.03em;color:var(--st-fg-muted);border:1px solid var(--st-border);background:color-mix(in srgb, var(--pw-accent) 5%, transparent);border-radius:999px;padding:6px 13px;font-size:12px}@media (max-width:620px){.pw-pipe-step{grid-template-columns:40px 1fr;gap:14px}.pw-pipe-marker{width:38px;height:38px;font-size:12px}.pw-pipe-rail-bg,.pw-pipe-rail-fill{top:19px;bottom:19px;left:19px}.pw-pipe-packet{top:13px;left:14px}}.pw-dark{--pw-faint:#f5f5f729;background:var(--st-bg);color:var(--st-fg);padding:clamp(72px,9vw,132px) 0;position:relative}.pw-slab-wrap{z-index:1;background:#0b0b0f;padding:0 12px;position:relative}.pw-slab{--st-fg-faint:#14141b38;background:var(--st-bg);color:var(--st-fg);border-radius:clamp(28px,4vw,60px) clamp(28px,4vw,60px) 0 0;padding:clamp(60px,7vw,110px) 0 clamp(72px,9vw,130px)}.pw-act-head{max-width:760px;margin-bottom:clamp(38px,5vw,68px)}.pw-act-head .st-h2{margin-bottom:20px}.pw-act-sub{color:var(--st-fg-muted);max-width:680px;margin:0;font-size:clamp(1.02rem,1.4vw,1.2rem);line-height:1.6}.pw-act-sub strong{color:var(--st-fg);font-weight:600}.pw-scan-tabs{flex-wrap:wrap;gap:10px;margin-bottom:clamp(22px,3vw,34px);display:flex}.pw-scan-tab{min-height:44px;font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--st-fg-muted);border:1px solid var(--st-border);cursor:pointer;background:0 0;border-radius:999px;align-items:center;padding:10px 20px;font-size:12.5px;display:inline-flex;position:relative}.pw-scan-tab input{opacity:0;cursor:pointer;margin:0;position:absolute;inset:0}.pw-scan-tab:has(input:focus-visible){outline:3px solid var(--lp-focus);outline-offset:2px}.pw-scan-tab.is-on{color:#0c0a09;background:var(--pw-accent);border-color:var(--pw-accent)}.pw-scan-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;display:grid}.pw-scan-field{border:1px solid var(--st-border);background:#f5f5f708;border-radius:14px;flex-direction:column;gap:8px;padding:16px 18px;display:flex}.pw-scan-field-name{color:var(--st-fg);font-size:15px;line-height:1.3}.pw-scan-field-tier{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--pw-accent);font-size:10.5px}.pw-scan-caption{font-family:var(--font-mono);letter-spacing:.04em;color:var(--st-fg-subtle);max-width:78ch;margin:clamp(20px,2.5vw,30px) 0 0;font-size:12px;line-height:1.5}.pw-gran-grid{grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,24px);margin-bottom:clamp(40px,5vw,72px);display:grid}.pw-gran-card{border:1px solid var(--st-border);background:#fff;border-radius:18px;padding:clamp(22px,2.6vw,32px)}.pw-gran-card.is-min{border-color:color-mix(in srgb, var(--pw-accent) 45%, var(--st-border));background:color-mix(in srgb, var(--pw-accent) 5%, #fff)}.pw-gran-tag{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--st-fg-subtle);margin-bottom:14px;font-size:11px;display:inline-block}.pw-gran-tag.is-accent{color:var(--pw-accent)}.pw-gran-name{font-family:var(--font-sans);margin:0 0 12px;font-size:clamp(1.4rem,2.4vw,2rem);font-weight:600;line-height:1}.pw-gran-desc{color:var(--st-fg-muted);margin:0;font-size:.98rem;line-height:1.55}.pw-gran-note{font-family:var(--font-mono);letter-spacing:.03em;color:var(--st-fg-subtle);max-width:78ch;margin:0;font-size:12px;line-height:1.5}.pw-cal-list{flex-direction:column;display:flex}.pw-cal-row{border-top:1px solid var(--st-border);grid-template-columns:260px 1fr;gap:clamp(20px,3vw,48px);padding:clamp(22px,3vw,34px) 0;display:grid}.pw-cal-row:last-child{border-bottom:1px solid var(--st-border)}.pw-cal-when{font-family:var(--font-sans);letter-spacing:-.015em;color:var(--st-fg);font-size:clamp(1.4rem,2.5vw,2.2rem);font-weight:600;line-height:1.05}.pw-cal-row.is-hard .pw-cal-when{color:var(--pw-accent)}.pw-cal-body{color:var(--st-fg-muted);align-self:center;max-width:640px;font-size:clamp(1rem,1.25vw,1.12rem);line-height:1.55}.pw-cal-flag{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--pw-accent);margin-top:8px;font-size:10.5px;display:block}.pw-file-body{grid-template-columns:1fr .9fr;align-items:center;gap:clamp(32px,5vw,80px);display:grid}.pw-file-lead{color:var(--st-fg);margin:0 0 clamp(22px,2.4vw,30px);font-size:clamp(1.05rem,1.5vw,1.28rem);line-height:1.55}.pw-file-text{color:var(--st-fg-muted);margin:0 0 clamp(26px,2.8vw,36px);font-size:1rem;line-height:1.6}.pw-file-panel{border:1px solid color-mix(in srgb, var(--pw-accent) 45%, var(--st-border));background:color-mix(in srgb, var(--pw-accent) 5%, #fff);border-radius:18px;margin:0 0 clamp(24px,2.6vw,32px);padding:clamp(20px,2.4vw,28px)}.pw-file-panel-tag{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--pw-accent);margin-bottom:12px;font-size:11px;display:block}.pw-file-panel p{color:var(--st-fg-muted);margin:0;font-size:.98rem;line-height:1.55}.pw-file-trigger{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.pw-file-trigger li{font-family:var(--font-mono);color:var(--st-fg-muted);border:1px solid var(--st-border);border-radius:999px;padding:6px 13px;font-size:12px}.pw-file-ring{width:100%;height:auto;overflow:visible}.pw-file-circle{fill:none;stroke:var(--pw-accent);stroke-width:2.5px;stroke-linecap:round}.pw-file-node-dot{fill:var(--pw-accent)}.pw-file-node-label{font-family:var(--font-mono);fill:var(--st-fg);font-size:13.5px}.pw-file-orbit{fill:var(--pw-accent);stroke:color-mix(in srgb, var(--pw-accent) 30%, transparent);stroke-width:6px;opacity:0}.pw-file-center{font-family:var(--font-mono);letter-spacing:.06em;fill:var(--st-fg-subtle);text-anchor:middle;font-size:12px}.pw-rails-explorer{grid-template-columns:.82fr 1fr;align-items:start;gap:clamp(20px,3vw,44px);display:grid}.pw-rails-tablist{flex-direction:column;gap:8px;display:flex}.pw-rails-tab{text-align:left;width:100%;font:inherit;cursor:pointer;border:1px solid var(--st-border);color:inherit;background:#f5f5f708;border-radius:14px;padding:14px 18px;transition:border-color .2s,background .2s;display:block}.pw-rails-tab:hover{border-color:color-mix(in srgb, var(--pw-accent) 40%, var(--st-border))}.pw-rails-tab[aria-selected=true]{border-color:var(--pw-accent);background:color-mix(in srgb, var(--pw-accent) 8%, transparent)}.pw-rails-tab-name{font-family:var(--font-mono);letter-spacing:.04em;color:var(--st-fg);margin-bottom:4px;font-size:13px;display:block}.pw-rails-tab[aria-selected=true] .pw-rails-tab-name{color:var(--pw-accent)}.pw-rails-tab-role{color:var(--st-fg-subtle);font-size:.82rem;line-height:1.35}.pw-rails-detail{border:1px solid var(--st-border);background:#f5f5f708;border-radius:20px;padding:clamp(26px,3vw,42px)}.pw-rails-detail-tag{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--pw-accent);margin-bottom:18px;font-size:11px;display:inline-block}.pw-rails-detail-title{font-family:var(--font-sans);letter-spacing:-.01em;margin:0 0 18px;font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:600;line-height:1.08}.pw-rails-detail-body{color:var(--st-fg-muted);max-width:54ch;margin:0 0 26px;font-size:clamp(1rem,1.2vw,1.12rem);line-height:1.65}.pw-rails-detail-points{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.pw-rails-detail-points li{font-family:var(--font-mono);color:var(--st-fg-muted);border:1px solid var(--st-border);border-radius:999px;padding:6px 13px;font-size:12px}@media (max-width:820px){.pw-rails-explorer{grid-template-columns:1fr}}.pw-check-list{flex-direction:column;margin-bottom:clamp(32px,4vw,56px);display:flex}.pw-check-row{border-top:1px solid var(--st-border);grid-template-columns:.85fr 1.15fr;gap:clamp(18px,3vw,48px);padding:clamp(22px,2.8vw,32px) 0;display:grid}.pw-check-row:last-child{border-bottom:1px solid var(--st-border)}.pw-check-claim{color:var(--st-fg-subtle);text-decoration:line-through;-webkit-text-decoration-color:color-mix(in srgb, var(--st-fg-subtle) 55%, transparent);text-decoration-color:color-mix(in srgb, var(--st-fg-subtle) 55%, transparent);margin:0;font-size:clamp(1rem,1.2vw,1.12rem);line-height:1.5;text-decoration-thickness:1px}.pw-check-truth{color:var(--st-fg);margin:0;font-size:clamp(1rem,1.2vw,1.12rem);line-height:1.55}.pw-check-cite{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--pw-accent);margin-top:10px;font-size:11.5px;display:block}.pw-check-note{font-family:var(--font-mono);letter-spacing:.03em;color:var(--st-fg-subtle);max-width:78ch;margin:0;font-size:12px;line-height:1.5}.pw-close-badges{grid-template-columns:repeat(5,1fr);gap:12px;margin:clamp(40px,5vw,72px) 0 clamp(44px,6vw,80px);display:grid}.pw-close-badge{border-top:1px solid var(--st-border);font-family:var(--font-mono);color:var(--st-fg-muted);padding-top:16px;font-size:12.5px;line-height:1.45}.pw-close-badge strong{font-family:var(--font-sans);color:var(--st-fg);margin-bottom:8px;font-size:1.05rem;font-weight:600;display:block}.pw-close-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.pw-close-panel{border:1px solid var(--st-border);color:var(--st-fg);background:#f5f5f708;border-radius:20px;padding:clamp(28px,3.5vw,44px);text-decoration:none;display:block;position:relative;overflow:hidden}.pw-close-panel h3{font-family:var(--font-sans);text-transform:uppercase;letter-spacing:-.01em;margin:0 0 10px;font-size:clamp(1.5rem,2.6vw,2.2rem);font-weight:600}.pw-close-panel p{color:var(--st-fg-muted);max-width:34ch;margin:0;font-size:1rem;line-height:1.5}.pw-close-arrow{color:var(--pw-accent);display:inline-flex;position:absolute;top:clamp(28px,3.5vw,44px);right:clamp(28px,3.5vw,44px)}.pw-close-arrow svg{width:24px;height:24px}.pw-close-panel.is-primary{background:var(--pw-accent);border-color:var(--pw-accent);color:#0c0a09}.pw-close-panel.is-primary p{color:#0c0a09b8}.pw-close-panel.is-primary .pw-close-arrow{color:#0c0a09}@media (max-width:900px){.pw-file-body{grid-template-columns:1fr}.pw-close-badges{grid-template-columns:repeat(2,1fr)}}@media (max-width:700px){.pw-gran-grid{grid-template-columns:1fr}.pw-cal-row,.pw-check-row{grid-template-columns:1fr;gap:10px}.pw-close-grid{grid-template-columns:1fr}}