:root{--bg: #f4f6f8;--panel: #ffffff;--panel-2: #fafbfc;--line: #dfe4ea;--line-strong: #c3cbd5;--ink: #1a2029;--ink-muted: #667180;--ink-faint: #949ea9;--accent: #1e4c82;--accent-ink: #ffffff;--ok: #15803d;--warn: #b45309;--bad: #b91c1c;--off: #94a3b8;--radius: 6px;--mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace}@media(prefers-color-scheme:dark){:root{--bg: #14171b;--panel: #1c2026;--panel-2: #23282f;--line: #2f353d;--line-strong: #414952;--ink: #e6e9ed;--ink-muted: #98a2ae;--ink-faint: #6b7681;--accent: #4d90d4;--accent-ink: #0d1117;--ok: #4ade80;--warn: #fbbf24;--bad: #f87171;--off: #64748b}}*,*:before,*:after{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}button,input,select{font:inherit;color:inherit}h1,h2,h3,h4{margin:0;font-weight:600}h3{font-size:15px}h4{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-muted)}p{margin:0}.muted{color:var(--ink-muted);font-weight:400}.boot{padding:3rem;text-align:center;color:var(--ink-muted)}.boot-error{color:var(--bad)}.app{min-height:100vh;display:flex;flex-direction:column}.top{display:flex;align-items:center;gap:1.5rem;padding:0 1rem;height:52px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.brand{display:flex;flex-direction:column;line-height:1.15}.brand-name{font-weight:700;letter-spacing:.02em}.brand-sub{font-size:11px;color:var(--ink-faint)}.tabs{display:flex;gap:.25rem;margin-right:auto}.tabs button{position:relative;padding:.45rem .8rem;border:1px solid transparent;background:none;border-radius:var(--radius);cursor:pointer;color:var(--ink-muted)}.tabs button:hover{background:var(--panel-2);color:var(--ink)}.tabs button.on{background:var(--accent);color:var(--accent-ink);font-weight:600}.badge{margin-left:.4rem;padding:0 .35rem;border-radius:9px;background:var(--warn);color:#fff;font-size:11px;font-weight:700}.tabs button.on .badge{background:#ffffff40}.status{display:flex;align-items:center;gap:.8rem;font-size:12px;color:var(--ink-muted)}.status-off{color:var(--off)}.save{min-width:62px;text-align:right;font-size:11px}.save-saved{color:var(--ok)}.save-error{color:var(--bad);font-weight:600}main{flex:1;padding:1rem;max-width:1180px;width:100%;margin:0 auto}.bar{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;padding:.6rem .8rem;margin-bottom:1rem;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.bar-note{font-size:12.5px;color:var(--ink-muted);margin-right:auto}.bar-actions{display:flex;align-items:center;gap:.7rem;flex-wrap:wrap}.check{display:flex;align-items:center;gap:.35rem;font-size:12.5px;color:var(--ink-muted);cursor:pointer}.num{width:48px;padding:.25rem .35rem;border:1px solid var(--line-strong);border-radius:4px;background:var(--panel-2)}.tip{display:inline-grid;place-items:center;width:15px;height:15px;border-radius:50%;background:var(--line);color:var(--ink-muted);font-size:10px;font-weight:700;cursor:help}button.primary{padding:.45rem 1.1rem;border:none;border-radius:var(--radius);background:var(--accent);color:var(--accent-ink);font-weight:600;cursor:pointer}button.primary:disabled{opacity:.45;cursor:not-allowed}.bar-actions>button:not(.primary),.review-actions button:not(.primary),button.ghost{padding:.4rem .8rem;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--panel-2);cursor:pointer}button.ghost{border-style:dashed;color:var(--ink-muted);width:100%;margin-top:.4rem}button:disabled{opacity:.45;cursor:not-allowed}.counter{font-size:12px;color:var(--ink-muted);min-width:56px;text-align:center}.segmented{display:inline-flex;border:1px solid var(--line-strong);border-radius:var(--radius);overflow:hidden}.segmented button{padding:.35rem .7rem;border:none;background:var(--panel-2);cursor:pointer;color:var(--ink-muted);white-space:nowrap}.segmented button+button{border-left:1px solid var(--line-strong)}.segmented button.on{background:var(--accent);color:var(--accent-ink);font-weight:600}.segmented-static{padding:.35rem .7rem;color:var(--ink-muted)}.search{flex:1;min-width:220px;padding:.45rem .6rem;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--panel-2)}select{padding:.4rem .5rem;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--panel-2)}.ends{display:grid;grid-template-columns:1fr auto 1fr;gap:.75rem;align-items:center;margin-bottom:1rem}@media(max-width:820px){.ends{grid-template-columns:1fr}}.picker{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:.7rem .8rem}.picker-label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-muted);margin-bottom:.45rem}.picker-row{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.picker-system{min-width:106px}.picker-size{position:relative;display:flex;align-items:center}.picker-size input{width:92px;padding:.4rem 2.1rem .4rem .55rem;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--panel-2);font-family:var(--mono)}.picker-size input.bad,input.bad{border-color:var(--bad)}.picker-unit{position:absolute;right:.5rem;font-size:11px;color:var(--ink-faint);pointer-events:none}.port-row .picker-unit{position:static}.swap{width:34px;height:34px;border-radius:50%;border:1px solid var(--line-strong);background:var(--panel);cursor:pointer;font-size:15px}.hint{margin-top:.4rem;font-size:12px;color:var(--warn)}.empty{padding:2rem;text-align:center;color:var(--ink-muted)}.results-head{font-size:12.5px;color:var(--ink);margin-bottom:.6rem;font-weight:600}.results.stale{opacity:.55}.stale-note{padding:.5rem .7rem;margin-bottom:.7rem;border-radius:var(--radius);background:color-mix(in srgb,var(--warn) 14%,transparent);border:1px solid var(--warn);color:var(--warn);font-size:12.5px}.solution{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:.8rem;overflow:hidden}.solution>header{display:flex;align-items:baseline;gap:.7rem;padding:.6rem .8rem;border-bottom:1px solid var(--line);background:var(--panel-2)}.why{font-size:12px;color:var(--ink-muted)}.chain{padding:.7rem .8rem;display:flex;flex-direction:column;gap:.4rem}.direct{padding:.6rem;text-align:center;color:var(--ok);font-weight:600}.terminal{display:flex;align-items:center;gap:.6rem;font-size:12px}.terminal-label{text-transform:uppercase;letter-spacing:.06em;font-size:10px;color:var(--ink-faint);min-width:62px}.terminal-port{font-family:var(--mono);color:var(--ink-muted)}.step{border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--panel-2)}.step-off{opacity:.5}.step-line{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:.5rem;padding:.45rem .6rem}.step-end{font-family:var(--mono);font-size:12px;color:var(--ink-muted);display:flex;align-items:center;gap:.35rem}.step-end-right{justify-content:flex-end}.glyph{font-family:var(--mono);color:var(--accent);font-weight:700;letter-spacing:-.05em}.step-sku{border:none;background:none;cursor:pointer;padding:.1rem .3rem;font-family:var(--mono);font-weight:700;font-size:13px;color:var(--ink);border-bottom:1px dotted var(--line-strong);white-space:nowrap}.step-sku:hover{color:var(--accent)}.step-foot{display:flex;align-items:center;gap:.5rem;padding:0 .6rem .4rem}.tags{display:flex;gap:.25rem;flex-wrap:wrap;margin-right:auto}.tag{padding:.05rem .35rem;border-radius:3px;font-size:10px;text-transform:uppercase;letter-spacing:.04em;background:var(--line);color:var(--ink-muted)}.tag-mat{background:color-mix(in srgb,var(--accent) 18%,transparent);color:var(--accent)}.tag-ok{background:color-mix(in srgb,var(--ok) 20%,transparent);color:var(--ok)}.bom{padding:.45rem .8rem;border-top:1px solid var(--line);background:var(--panel-2);font-family:var(--mono);font-size:12px;color:var(--ink-muted)}.no-route{padding:1rem;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.no-route ul{margin:.5rem 0 0;padding-left:1.1rem;color:var(--ink-muted);font-size:13px}.no-route li{margin-bottom:.2rem}.toggle{display:inline-flex;align-items:center;gap:.4rem;border:none;background:none;cursor:pointer;padding:0}.toggle-track{width:30px;height:17px;border-radius:9px;background:var(--off);position:relative;transition:background .12s;flex:none}.toggle-knob{position:absolute;top:2px;left:2px;width:13px;height:13px;border-radius:50%;background:#fff;transition:transform .12s}.toggle-on .toggle-track{background:var(--ok)}.toggle-on .toggle-knob{transform:translate(13px)}.toggle-label{font-size:11px;color:var(--ink-muted)}.table-wrap{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow-x:auto}table.parts{width:100%;border-collapse:collapse;font-size:13px}table.parts th{text-align:left;padding:.5rem .6rem;border-bottom:1px solid var(--line);background:var(--panel-2);font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-muted);position:sticky;top:0}table.parts td{padding:.45rem .6rem;border-bottom:1px solid var(--line);vertical-align:top}table.parts tr:last-child td{border-bottom:none}.row-off{opacity:.5}.col-status{width:22px}.col-toggle{width:96px}.col-desc{color:var(--ink-muted);max-width:340px}.col-ports{white-space:nowrap}.port-chip{display:inline-flex;align-items:center;gap:.25rem;margin-right:.5rem;font-family:var(--mono);font-size:11.5px;color:var(--ink-muted)}.link{border:none;background:none;padding:0;cursor:pointer;font-family:var(--mono);font-weight:600;color:var(--ink);border-bottom:1px dotted var(--line-strong)}.link:hover{color:var(--accent)}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--off)}.dot-verified{background:var(--ok)}.dot-needs_review{background:var(--warn)}.dot-unusable{background:var(--bad)}.review-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:.9rem}.review-card>header{display:flex;align-items:center;justify-content:space-between;gap:1rem}.review-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin-top:1rem}@media(max-width:820px){.review-grid{grid-template-columns:1fr}}.review-grid h4{margin:.9rem 0 .35rem}.review-grid section>h4:first-child{margin-top:0}.declared{font-family:var(--mono);font-size:12.5px;color:var(--ink-muted)}ul.ports,ul.issues{margin:0;padding-left:0;list-style:none}ul.ports li{font-family:var(--mono);font-size:12.5px;padding:.15rem 0;display:flex;gap:.4rem;align-items:center}ul.issues{padding-left:1.05rem;list-style:disc}ul.issues li{font-size:12.5px;color:var(--warn);padding:.1rem 0}.port-row{display:flex;align-items:center;gap:.4rem;margin-bottom:.4rem;flex-wrap:wrap}.port-row input{width:76px;padding:.35rem .5rem;border:1px solid var(--line-strong);border-radius:4px;background:var(--panel-2);font-family:var(--mono)}.review-actions{display:flex;gap:.5rem;margin-top:.9rem}.modal-backdrop{position:fixed;inset:0;background:#00000073;display:grid;place-items:center;padding:1rem;z-index:40}.modal{background:var(--panel);border:1px solid var(--line-strong);border-radius:8px;width:min(560px,100%);max-height:84vh;overflow-y:auto}.modal>header{display:flex;justify-content:space-between;gap:1rem;padding:.9rem;border-bottom:1px solid var(--line)}.modal section{padding:.8rem .9rem;border-bottom:1px solid var(--line)}.modal footer{padding:.8rem .9rem;display:flex;align-items:center;gap:.8rem}.modal-desc{font-size:12.5px;color:var(--ink-muted);margin-top:.2rem}.icon{border:none;background:none;font-size:20px;line-height:1;cursor:pointer;color:var(--ink-muted);padding:0 .3rem}.icon:hover{color:var(--ink)}.detail-grid{display:grid;grid-template-columns:auto 1fr;gap:.25rem .9rem;margin:0;font-size:13px}.detail-grid dt{color:var(--ink-muted)}.detail-grid dd{margin:0}