:root{--ground:#EEF0EC;--card:#fff;--line:#D5D9D2;--line2:#E3E6E0;--ink:#1B1F23;--muted:#5B635B;--accent:#1F4E79;--accent2:#163A5C;--amber:#B45309;--bar:#1B2B3A}
*{box-sizing:border-box}
body{margin:0;background:var(--ground);color:var(--ink);font-family:'IBM Plex Sans',system-ui,sans-serif;font-size:15px}
a{color:var(--accent)}a:hover{color:var(--accent2)}
.mono{font-family:'IBM Plex Mono',ui-monospace,monospace}
.muted{color:var(--muted);font-size:13px}
header.top{background:var(--bar);color:#fff;display:flex;flex-wrap:wrap;align-items:center;gap:16px;padding:12px 32px}
header.top .logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.04em;color:#fff;text-decoration:none}
header.top .logo span.b{display:inline-flex;width:30px;height:30px;border-radius:6px;background:var(--amber);align-items:center;justify-content:center;font-size:13px}
header.top nav{display:flex;flex-wrap:wrap;gap:4px}
header.top nav a{color:#C9D3DC;padding:8px 12px;border-radius:6px;text-decoration:none;font-size:14px}
header.top nav a.on,header.top nav a:hover{color:#fff;background:rgba(255,255,255,.12)}
header.top form{flex:1 1 220px;display:flex;justify-content:flex-end}
header.top input{width:100%;max-width:380px;min-height:40px;border:0;border-radius:8px;padding:0 12px;font:inherit;font-size:14px}
header.top .user{font-size:13px;color:#C9D3DC}
main{max-width:1360px;margin:0 auto;padding:24px 32px 48px;display:flex;flex-direction:column;gap:20px}
.crumb{font-size:13px;color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px;display:flex;flex-direction:column;gap:12px;min-width:0}
.card h2{margin:0;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#4A524A}
.card .hd{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(380px,1fr));gap:20px}
.wide{grid-column:1/-1}
.row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;border-radius:8px;border:1px solid var(--line2);min-height:44px;text-decoration:none;color:inherit}
a.row:hover{background:#F3F6F9;border-color:#9DB4CB;color:inherit}
.row .t{display:flex;flex-direction:column;gap:2px;min-width:0}
.row .t b{font-weight:600}
.chip{font-size:12px;font-weight:600;padding:3px 8px;border-radius:999px;white-space:nowrap;background:#E8EAE6;color:#4A524A}
.chip.ok,.chip.released,.chip.confirmed,.chip.accepted{background:#DDEEDD;color:#1E5A2A}
.chip.warn,.chip.review,.chip.trial{background:#FBE7CC;color:#7A3E06}
.chip.info,.chip.sent,.chip.work{background:#DCE7F2;color:var(--accent2)}
.chip.blocked{background:#F6D6D3;color:#7A1D14}
.steps{display:flex;flex-wrap:wrap;gap:8px 28px;padding-top:16px;border-top:1px solid var(--line2)}
.step{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.step .dot{width:12px;height:12px;border-radius:50%;border:2px solid #A8AFA6;background:#fff}
.step.done{color:#2F4A33}.step.done .dot{background:#2F6B3A;border-color:#2F6B3A}
.step.current{color:var(--ink);font-weight:600}.step.current .dot{background:var(--amber);border-color:var(--amber)}
dl.kv{display:grid;grid-template-columns:150px minmax(0,1fr);gap:8px 16px;margin:0;font-size:14px}
dl.kv dt{color:var(--muted)}dl.kv dd{margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border-radius:8px;background:var(--accent);color:#fff;font-weight:600;font-size:14px;text-decoration:none;border:0;cursor:pointer}
.btn:hover{background:var(--accent2);color:#fff}
.btn.sec{background:#fff;color:var(--accent);border:1px solid #9DB4CB}.btn.sec:hover{background:#F3F6F9}
.tbl{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.06em;padding:8px 10px;border-bottom:1px solid var(--line)}
td{padding:10px;border-bottom:1px solid var(--line2);vertical-align:top}
tr.link:hover td{background:#F3F6F9}
.empty{color:var(--muted);font-size:13px;padding:6px 0}
.flags{background:#FBE7CC;color:#5C2F04;border-radius:8px;padding:10px 14px;font-size:13px}
.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.filters a{font-size:13px;padding:6px 10px;border-radius:999px;border:1px solid var(--line);text-decoration:none;background:#fff}
.filters a.on{background:var(--accent);color:#fff;border-color:var(--accent)}
.pager{display:flex;gap:12px;align-items:center;font-size:14px}
.login{max-width:380px;margin:80px auto}
.login input{width:100%;min-height:44px;border:1px solid var(--line);border-radius:8px;padding:0 12px;font:inherit;margin-bottom:12px}
@media (max-width:640px){header.top,main{padding-left:16px;padding-right:16px}.grid{grid-template-columns:1fr}dl.kv{grid-template-columns:1fr}}
.card.bc{border:2px solid #E7B9B3;background:#FFFBFA}
h3.sub{margin:6px 0 0;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#7A1D14}
pre.potext{margin:4px 0 0;white-space:pre-wrap;font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:13px;line-height:1.45}
.chip.proposed{background:#FBE7CC;color:#7A3E06}.chip.rejected{background:#F6D6D3;color:#7A1D14}
.btn.mini{min-height:32px;padding:0 10px;font-size:13px}
input.rv{width:100%;min-width:180px;min-height:32px;border:1px solid var(--line);border-radius:6px;padding:0 8px;font:inherit;font-size:14px;background:#fff}
.chip.accepted{background:#DDEEDD;color:#1E5A2A}

.dsform{display:flex;flex-direction:column;gap:10px}
.dsform fieldset{border:0;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center}
.dsform legend{font-size:12px;color:var(--muted);float:left;width:80px}
.dsform label{font-size:14px;display:inline-flex;align-items:center;gap:6px;min-height:32px}
.dsform select{min-height:32px;border:1px solid var(--line);border-radius:6px;font:inherit;max-width:220px}
.filters select{min-height:40px;min-width:280px;max-width:100%;border:1px solid var(--line);border-radius:8px;padding:0 10px;font:inherit;font-size:14px;background:#fff}

/* ---- assembly structure (multi-level BOM) */
.lv{display:inline-block;min-width:30px;text-align:center;font:600 11px/1 'IBM Plex Mono',ui-monospace,monospace;color:#fff;border-radius:4px;padding:4px 5px;background:#6B7280;vertical-align:middle}
.lv.L1{background:#1F4E79}.lv.L2{background:#2F7D4F}.lv.L3{background:#B45309}.lv.L4{background:#7C3AED}.lv.L5{background:#B91C1C}.lv.L6{background:#0E7490}.lv.L7{background:#4D7C0F}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}
.kpis div{font-size:12px;color:var(--muted)}.kpis b{display:block;font-size:20px;color:var(--ink);font-weight:600}
.toolbar{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.toolbar .btn.mini.on{background:var(--accent);color:#fff}
table.tree td{padding:6px 10px;vertical-align:middle}
table.tree tr.asm td{background:#FAFBFC}
table.tree tr:hover td{background:#F3F6F9}
table.tree .tog{display:inline-block;width:18px;cursor:pointer;color:var(--muted);user-select:none;text-align:center}
table.tree .tog:empty{cursor:default}
table.tree tr.hid{display:none}
.shared{font-size:11px;color:#9A4A06;margin-left:6px;white-space:nowrap}
.loop{font-size:11px;color:#7A1D14;margin-left:6px}
.chain{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:10px 0;border-bottom:1px dashed var(--line2)}
.chain:last-child{border-bottom:0}
.chain .node{border:1px solid var(--line);border-radius:8px;padding:5px 9px;background:#fff;font-size:13px;display:inline-flex;gap:6px;align-items:center}
.chain .node.me{border-color:var(--amber);background:#FFF8EE}
.chain .arr{color:var(--muted)}
.legend{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:12px;color:var(--muted)}
.belongs{font-size:13px}
@media print{header.top,.toolbar,.noprint{display:none!important}main{padding:0}.card{border:0;padding:0}}