/* ============================================================
   Pangolin PLM — Part Numbers
   Single themeable stylesheet. Direction A "Workbench".
   Theming via CSS custom properties; light + dark.
   Maps onto a PHP layout: .app-nav (shared layout),
   .page (per-page content), components reused in partials.
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  --font-sans:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  /* brand */
  --brand:#bf1e2d; --brand-press:#a3192a; --brand-tint:#fbe9eb; --brand-ink:#7d121d;

  /* cool blue-grey ramp */
  --c50:#f7f8fa; --c100:#eef1f4; --c150:#e8ecf0; --c200:#dee3e8;
  --c300:#cbd2da; --c400:#a4adb8; --c500:#7b8794; --c600:#586472;
  --c700:#3d4651; --c800:#28303a; --c900:#161b21;

  /* semantic (light) */
  --page-bg:#f4f6f8; --surface:#ffffff; --surface-2:#f7f8fa;
  --border:#dee3e8; --border-strong:#cbd2da;
  --text:#1b2128; --text-strong:#0f141a; --muted:#5c6773; --faint:#7b8794;
  --row-hover:#f6f7f9; --nav-bg:#ffffff;
  --focus:rgba(191,30,45,.20);

  /* status */
  --ok:#1f6b4a; --ok-bg:#e6f2ec; --ok-bd:#cfe6da;
  --warn:#8a5a00; --warn-bg:#f7eed9; --warn-bd:#ecdcb6;
  --neutral:#566270; --neutral-bg:#eef1f4;
  --info:#1f5b8a; --info-bg:#e6eef5;

  /* spacing */
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px;
  --r-sm:2px; --r:3px; --r-lg:5px;
  --shadow-card:0 1px 2px rgba(16,22,30,.04);
  --shadow-pop:0 6px 22px rgba(16,22,30,.13);
  --shadow-modal:0 18px 50px rgba(16,22,30,.24);

  --nav-h:50px; --maxw:1240px;
}

[data-theme="dark"]{
  --brand:#e2495a; --brand-press:#ef5b6b; --brand-tint:#2a1519; --brand-ink:#f6b9c0;
  --page-bg:#0f1318; --surface:#161b21; --surface-2:#1b2128;
  --border:#272f38; --border-strong:#39434e;
  --text:#dfe4e9; --text-strong:#f4f6f7; --muted:#9aa4b0; --faint:#79838f;
  --row-hover:#1b212a; --nav-bg:#12161b;
  --focus:rgba(226,73,90,.28);
  --ok:#6ad3a2; --ok-bg:#15271f; --ok-bd:#244536;
  --warn:#e0ad52; --warn-bg:#2a2210; --warn-bd:#473719;
  --neutral:#9aa4b0; --neutral-bg:#1f262e;
  --info:#6db0e6; --info-bg:#142536;
  --shadow-card:0 1px 2px rgba(0,0,0,.3);
  --shadow-pop:0 8px 26px rgba(0,0,0,.5);
  --shadow-modal:0 20px 56px rgba(0,0,0,.6);
}

/* ---------- Base ---------- */
*{box-sizing:border-box}
html,body{margin:0}
html{color-scheme:light}
[data-theme="dark"]{color-scheme:dark}
body{
  font-family:var(--font-sans);font-size:14px;line-height:1.45;
  color:var(--text);background:var(--page-bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4,h5{margin:0;color:var(--text-strong);font-weight:600;letter-spacing:-.01em}
:focus-visible{outline:none;box-shadow:0 0 0 3px var(--focus);border-radius:var(--r)}
::selection{background:var(--brand-tint)}
.mono{font-family:var(--font-mono)}
.muted{color:var(--muted)}
.faint{color:var(--faint)}
.right{margin-left:auto}
.nowrap{white-space:nowrap}
.dim{color:var(--c500)}
[data-theme="dark"] .dim{color:var(--faint)}
.hidden{display:none!important}

/* ---------- Top nav (shared layout) ---------- */
.app-nav{
  position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:20px;
  height:var(--nav-h);padding:0 20px;background:var(--nav-bg);
  border-bottom:1px solid var(--border);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px;color:var(--text-strong);white-space:nowrap}
.brand img{height:23px;width:auto;display:block}
[data-theme="dark"] .brand img{filter:saturate(1.15) brightness(1.12)}
.nav-links{display:flex;gap:1px}
.nav-links a{display:flex;align-items:center;padding:0 11px;height:var(--nav-h);font-size:13.5px;color:var(--muted);font-weight:500;border-bottom:2px solid transparent;margin-bottom:-1px}
.nav-links a:hover{color:var(--text-strong);text-decoration:none}
.nav-links a[aria-current="page"]{color:var(--text-strong);border-bottom-color:var(--brand)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--muted)}
.nav-right .who{color:var(--text);white-space:nowrap}
.nav-right .who b{font-weight:600;color:var(--text-strong)}
.nav-right .who .role{color:var(--muted)}
.nav-right a{color:var(--muted)}
.nav-right a:hover{color:var(--text-strong);text-decoration:none}
.nav-sep{width:1px;height:18px;background:var(--border-strong)}
.theme-toggle{display:flex;align-items:center;justify-content:center;width:30px;height:30px;border:1px solid var(--border-strong);border-radius:var(--r);background:var(--surface);color:var(--muted);cursor:pointer}
.theme-toggle:hover{color:var(--text-strong);border-color:var(--c400)}
.theme-toggle .moon{display:none}
[data-theme="dark"] .theme-toggle .moon{display:block}
[data-theme="dark"] .theme-toggle .sun{display:none}

/* ---------- Page shell ---------- */
.page{max-width:var(--maxw);margin:0 auto;padding:var(--s5) 20px var(--s7)}
.page-head{display:flex;align-items:flex-end;gap:var(--s3);margin-bottom:var(--s5)}
.page-head h1{font-size:21px}
.page-head .sub{font-size:13px;color:var(--muted);margin-top:3px}
.crumbs{font-size:12.5px;color:var(--muted);margin-bottom:var(--s2);display:flex;gap:6px;align-items:center}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--text-strong)}
.crumbs .sep{color:var(--c400)}

/* ---------- Flash / toasts ---------- */
.flash-wrap{max-width:var(--maxw);margin:0 auto;padding:var(--s4) 20px 0}
.flash{display:flex;align-items:flex-start;gap:9px;padding:10px 13px;border-radius:var(--r);font-size:13px;border:1px solid;margin-bottom:var(--s2)}
.flash svg{flex:none;margin-top:1px}
.flash-success{background:var(--ok-bg);border-color:var(--ok-bd);color:var(--ok)}
.flash-error{background:var(--brand-tint);border-color:#f0cdd1;color:var(--brand-ink)}
[data-theme="dark"] .flash-error{border-color:#4a2126}
.flash ul{margin:4px 0 0;padding-left:18px}
.flash .x{margin-left:auto;cursor:pointer;opacity:.6;font-size:15px;line-height:1;background:none;border:none;color:inherit}
.flash .x:hover{opacity:1}

.toast-stack{position:fixed;right:18px;bottom:18px;z-index:80;display:flex;flex-direction:column;gap:9px;width:340px;max-width:calc(100vw - 36px)}
.toast{display:flex;align-items:flex-start;gap:9px;background:var(--surface);border:1px solid var(--border-strong);border-left:3px solid var(--ok);border-radius:var(--r);padding:11px 12px;font-size:13px;box-shadow:var(--shadow-pop);animation:toast-in .22s ease}
.toast.error{border-left-color:var(--brand)}
.toast .x{margin-left:auto;cursor:pointer;color:var(--c400);background:none;border:none;font-size:15px;line-height:1}
.toast .x:hover{color:var(--text)}
@keyframes toast-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- Card ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow-card)}
.card+.card{margin-top:var(--s4)}
/* Cards laid out side by side (not stacked) — .card+.card's stacking margin would otherwise
   push every card but the first down and break top alignment across the row. */
.card-row{display:flex;flex-wrap:wrap;gap:var(--s4)}
.card-row+.card-row{margin-top:var(--s4)}
.card-row>.card{margin-top:0}
.card-head{display:flex;align-items:center;gap:var(--s3);padding:12px 15px;border-bottom:1px solid var(--border)}
.card-head h2,.card-head h3{font-size:14px;font-weight:600}
.card-head .count{font-size:11.5px;font-family:var(--font-mono);color:var(--muted);background:var(--c100);border-radius:999px;padding:2px 8px}
[data-theme="dark"] .card-head .count{background:var(--surface-2)}
.card-head .right .btn{margin-left:0}
.card-body{padding:15px}
.card-body.flush{padding:0}
.card-foot{padding:11px 15px;border-top:1px solid var(--border);background:var(--surface-2);border-radius:0 0 var(--r) var(--r)}

/* section grid for detail page */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:var(--s4)}
@media(max-width:880px){.grid-2{grid-template-columns:1fr}}

/* ---------- Tables ---------- */
.table{width:100%;border-collapse:collapse;font-size:13px}
.table th{text-align:left;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding:10px 13px;border-bottom:1px solid var(--border);white-space:nowrap;background:var(--surface)}
.table td{padding:8px 13px;border-bottom:1px solid var(--border);vertical-align:middle}
.table tbody tr:last-child td{border-bottom:none}
.table tbody tr:hover td{background:var(--row-hover)}
.table tr.no-hover:hover td{background:transparent}
.table .num{text-align:right;font-variant-numeric:tabular-nums}
.table .shrink{width:1%;white-space:nowrap}
.table th.sortable{cursor:pointer;user-select:none;position:relative;padding-right:20px}
.table th.sortable:hover{color:var(--text)}
.table th.sortable::after{content:"";position:absolute;right:7px;top:50%;transform:translateY(-50%);
  border:4px solid transparent;border-top-color:var(--faint);opacity:.55}
.table th.sortable[data-sort-dir="asc"]::after{border-top-color:transparent;border-bottom-color:var(--brand);opacity:1}
.table th.sortable[data-sort-dir="desc"]::after{border-top-color:var(--brand);opacity:1}
.table-compact th{padding:8px 11px}
.table-compact td{padding:6px 11px}
.col-actions{text-align:right;width:1%;white-space:nowrap}
.row-removing{animation:row-out .22s ease forwards}
@keyframes row-out{to{opacity:0;transform:translateX(10px)}}
.row-adding{animation:row-in .24s ease}
@keyframes row-in{from{opacity:0;background:var(--brand-tint)}to{opacity:1}}

/* identifier treatments */
.pn{font-family:var(--font-mono);font-size:12.5px;color:var(--brand);font-weight:500;letter-spacing:-.01em}
.pn:hover{text-decoration:underline}
td .pn,.pn-plain{font-family:var(--font-mono);font-size:12.5px;letter-spacing:-.01em}
.pn-plain{color:var(--text)}

/* ---------- Badges / pills ---------- */
.badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:500;line-height:1;padding:3px 8px;border-radius:999px;background:var(--bbg,var(--c100));color:var(--bcolor,var(--c600));white-space:nowrap;border:1px solid transparent}
.badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor}
.badge.active{--bcolor:var(--ok);--bbg:var(--ok-bg)}
.badge.draft{--bcolor:var(--warn);--bbg:var(--warn-bg)}
.badge.obsolete{--bcolor:var(--neutral);--bbg:var(--neutral-bg)}
.badge.role-admin{--bcolor:var(--brand);--bbg:var(--brand-tint)}
.badge.role-engineer{--bcolor:var(--info);--bbg:var(--info-bg)}
.badge.role-viewer{--bcolor:var(--neutral);--bbg:var(--neutral-bg)}
.badge.doc{--bcolor:#3d4651;--bbg:var(--c100)}
[data-theme="dark"] .badge.doc{--bcolor:var(--c300);--bbg:var(--surface-2)}
/* build line states + build status */
.badge.st-short{--bcolor:var(--brand-ink);--bbg:var(--brand-tint)}
.badge.st-late{--bcolor:var(--warn);--bbg:var(--warn-bg)}
.badge.st-ordered{--bcolor:var(--info);--bbg:var(--info-bg)}
.badge.st-covered{--bcolor:var(--ok);--bbg:var(--ok-bg)}
.badge.st-build{--bcolor:var(--neutral);--bbg:var(--neutral-bg)}
.badge.st-stale{--bcolor:var(--neutral);--bbg:var(--neutral-bg);text-decoration:line-through}
.badge.build-open{--bcolor:var(--info);--bbg:var(--info-bg)}
.badge.build-done{--bcolor:var(--ok);--bbg:var(--ok-bg)}
.badge.build-cancelled{--bcolor:var(--neutral);--bbg:var(--neutral-bg)}
td.is-late{color:var(--warn);font-weight:600}

/* Compact status dot for BOM lines — same colors as .badge, no pill/label so it doesn't
   widen the Part number column. Lock icon only shows when released (the exceptional state). */
.line-status{display:inline-block;width:6px;height:6px;border-radius:50%;margin-left:5px;vertical-align:middle}
.line-status.active{background:var(--ok)}
.line-status.draft{background:var(--warn)}
.line-status.obsolete{background:var(--neutral)}
.line-lock{margin-left:3px;vertical-align:middle;color:var(--muted)}
.badge.pref{--bcolor:#fff;--bbg:var(--brand);font-weight:600}
[data-theme="dark"] .badge.pref{--bcolor:#1a0d0f}
.rev{display:inline-flex;align-items:center;font-family:var(--font-mono);font-size:11px;font-weight:500;color:var(--c700);border:1px solid var(--border-strong);border-radius:var(--r);padding:1px 6px;background:var(--surface)}
[data-theme="dark"] .rev{color:var(--c300)}
.cat-tag{font-family:var(--font-mono);font-size:10.5px;font-weight:600;letter-spacing:.04em;color:var(--muted);background:var(--c100);border-radius:var(--r-sm);padding:2px 6px}
[data-theme="dark"] .cat-tag{background:var(--surface-2)}

/* ---------- Buttons ---------- */
.btn{font-family:inherit;font-size:13px;font-weight:500;padding:7px 13px;border-radius:var(--r);border:1px solid transparent;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;line-height:1.1;white-space:nowrap;transition:background .12s,border-color .12s,color .12s}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn svg{flex:none}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-press)}
[data-theme="dark"] .btn-primary{color:#1a0d0f}
.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border-strong)}
.btn-secondary:hover{background:var(--surface-2);border-color:var(--c400)}
.btn-ghost{background:transparent;color:var(--muted)}
.btn-ghost:hover{background:var(--surface-2);color:var(--text-strong)}
.btn-danger{background:transparent;color:var(--brand);border-color:transparent}
.btn-danger:hover{background:var(--brand-tint)}
.btn-danger-solid{background:var(--brand);color:#fff}
.btn-danger-solid:hover{background:var(--brand-press)}
[data-theme="dark"] .btn-danger-solid{color:#1a0d0f}
.btn-sm{padding:4px 9px;font-size:12px}
.btn-lg{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.btn-icon{padding:5px;width:28px;height:28px}
.btn-row{display:flex;gap:var(--s2);align-items:center;flex-wrap:wrap}

/* ---------- Forms ---------- */
.field{margin-bottom:var(--s4)}
.field:last-child{margin-bottom:0}
.field label,.label{display:block;font-size:12.5px;font-weight:500;color:var(--text);margin-bottom:5px}
.field .req{color:var(--brand);margin-left:2px}
.field .opt{color:var(--faint);font-weight:400;margin-left:4px}
.control,.field input:not([type=checkbox]):not([type=radio]),.field select,.field textarea{
  font-family:inherit;font-size:13.5px;width:100%;padding:7px 10px;color:var(--text);
  background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--r);transition:border-color .12s,box-shadow .12s}
.field textarea{resize:vertical;min-height:74px;line-height:1.5}
.field input:focus,.field select:focus,.field textarea:focus,.control:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--focus)}
.field input::placeholder,.field textarea::placeholder{color:var(--c400)}
.field input.mono,.control.mono{font-family:var(--font-mono);letter-spacing:-.01em}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%237b8794' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 11px center;padding-right:30px}
.field-row{display:flex;gap:var(--s3)}
.field-row .field{flex:1}
.hint{font-size:11.5px;color:var(--muted);margin-top:5px;display:flex;align-items:center;gap:5px}
.hint.ok{color:var(--ok)}
.hint.err{color:var(--brand)}
.is-valid .control,.is-valid input,input.is-valid{border-color:var(--ok)}
.is-invalid .control,.is-invalid input,input.is-invalid{border-color:var(--brand)}
.read-field{font-size:13.5px;padding:7px 0}
.read-field .pn-plain{font-size:14px}
.lock{display:inline-flex;align-items:center;gap:5px;font-size:11px;color:var(--faint);background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r);padding:6px 10px}
.field-group{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r);padding:13px}

/* search box */
.search{position:relative}
.search input{font-family:inherit;font-size:13.5px;padding:7px 10px 7px 30px;border:1px solid var(--border-strong);border-radius:var(--r);background:var(--surface);color:var(--text);width:280px}
.search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--focus)}
.search svg{position:absolute;left:9px;top:50%;transform:translateY(-50%);color:var(--c500);pointer-events:none}
.nav-search{flex:none;width:220px;transition:width .15s ease}
.nav-search:focus-within{width:280px}
.nav-search input{width:100%;padding-top:6px;padding-bottom:6px;background:var(--surface-2)}
.nav-search:focus-within input{background:var(--surface)}
.search .clear{position:absolute;right:7px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--c400);cursor:pointer;font-size:14px}
.search .clear:hover{color:var(--text)}

/* ---------- Combobox / typeahead ---------- */
.combo{position:relative}
.combo-pop{position:absolute;left:0;right:0;top:calc(100% + 4px);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--r);box-shadow:var(--shadow-pop);overflow:hidden;z-index:40;max-height:264px;overflow-y:auto}
.combo-opt{display:flex;gap:9px;align-items:baseline;padding:7px 11px;cursor:pointer;border-bottom:1px solid var(--border)}
.combo-opt:last-child{border-bottom:none}
.combo-opt .pnm{font-family:var(--font-mono);font-size:12px;color:var(--text);flex:none}
.combo-opt .desc{font-size:12.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.combo-opt[aria-selected="true"],.combo-opt:hover{background:var(--brand-tint)}
.combo-opt[aria-selected="true"] .pnm{color:var(--brand)}
.combo-opt mark{background:transparent;color:var(--brand);font-weight:600}
.combo-empty{padding:11px;font-size:12.5px;color:var(--muted);text-align:center}
.combo-create{font-size:12.5px;color:var(--brand);font-weight:600}

/* ---------- Modal ---------- */
.modal-backdrop{position:fixed;inset:0;z-index:70;background:rgba(15,19,24,.46);display:flex;align-items:center;justify-content:center;padding:20px;animation:fade .14s ease}
[data-theme="dark"] .modal-backdrop{background:rgba(0,0,0,.6)}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal{background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--r-lg);box-shadow:var(--shadow-modal);width:400px;max-width:100%;animation:modal-in .18s cubic-bezier(.2,.7,.3,1)}
@keyframes modal-in{from{opacity:0;transform:translateY(10px) scale(.99)}to{opacity:1;transform:none}}
.modal-head{padding:15px 17px 0}
.modal-head h3{font-size:15px}
.modal-body{padding:8px 17px 17px;font-size:13px;color:var(--muted)}
.modal-body .pn-plain{color:var(--text)}
.modal-foot{display:flex;justify-content:flex-end;gap:var(--s2);padding:12px 17px;border-top:1px solid var(--border);background:var(--surface-2);border-radius:0 0 var(--r-lg) var(--r-lg)}
.modal-icon{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--brand-tint);color:var(--brand);margin-bottom:4px}

/* ---------- Inline edit ---------- */
.editable{cursor:text;border-radius:var(--r);padding:2px 5px;margin:-2px -5px;border:1px solid transparent}
.editable:hover{background:var(--surface-2);border-color:var(--border)}
.editable .pen{opacity:0;margin-left:5px;color:var(--c400)}
.editable:hover .pen{opacity:1}
.inline-edit{display:inline-flex;gap:5px;align-items:center}
.inline-edit input,.inline-edit select{font-family:inherit;font-size:13px;padding:3px 7px;border:1px solid var(--brand);border-radius:var(--r);background:var(--surface);color:var(--text);box-shadow:0 0 0 3px var(--focus)}
.inline-edit input.mono{font-family:var(--font-mono)}

/* status as clickable inline-edit chip */
.status-edit{cursor:pointer;position:relative}
.status-edit:hover{filter:brightness(.97)}

/* ---------- BOM tree ---------- */
.bom-toggle{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border:none;background:none;cursor:pointer;color:var(--c500);border-radius:var(--r-sm);flex:none}
.bom-toggle:hover{background:var(--surface-2);color:var(--text)}
.bom-toggle svg{transition:transform .15s}
.bom-toggle.open svg{transform:rotate(90deg)}
.bom-indent{display:inline-block}
.bom-line{display:flex;align-items:center;gap:7px}
.bom-spacer{width:18px;flex:none}
tr.bom-child td{background:var(--surface-2)}
tr.bom-child:hover td{background:var(--row-hover)}
.bom-loading{font-size:12px;color:var(--muted);display:inline-flex;align-items:center;gap:7px}
.spinner{width:13px;height:13px;border:2px solid var(--c300);border-top-color:var(--brand);border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- Empty states ---------- */
.empty{text-align:center;padding:34px 20px;color:var(--muted)}
.empty .ico{width:38px;height:38px;border-radius:var(--r);background:var(--surface-2);border:1px solid var(--border);display:inline-flex;align-items:center;justify-content:center;color:var(--c400);margin-bottom:10px}
.empty h4{font-size:14px;color:var(--text-strong);margin-bottom:3px}
.empty p{margin:0 0 13px;font-size:12.5px}

/* ---------- Part detail header ---------- */
.part-hero{display:flex;align-items:flex-start;gap:var(--s5);padding:18px 20px}
.part-id{display:flex;align-items:center;gap:12px}
.part-id .num{font-family:var(--font-mono);font-size:27px;font-weight:600;color:var(--text-strong);letter-spacing:-.02em}
.part-id .rev-lg{font-family:var(--font-mono);font-size:13px;font-weight:500;color:var(--c700);border:1px solid var(--border-strong);border-radius:var(--r);padding:3px 9px;background:var(--surface)}
[data-theme="dark"] .part-id .rev-lg{color:var(--c300)}
.part-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:9px;font-size:12.5px;color:var(--muted)}
.part-meta .kv{display:flex;gap:5px;align-items:center}
.part-meta .kv b{color:var(--text);font-weight:500}
.part-desc{margin-top:11px;font-size:14px;color:var(--text);max-width:62ch;line-height:1.5}

/* meta dot separators */
.dotsep{color:var(--c400)}

/* ---------- Auth screens ---------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--page-bg)}
.auth-card{width:380px;max-width:100%}
.auth-brand{display:flex;align-items:center;gap:11px;justify-content:center;margin-bottom:var(--s5)}
.auth-brand img{height:30px}
.auth-brand .name{font-size:18px;font-weight:600;color:var(--text-strong)}
.auth-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-card);padding:24px}
.auth-box h1{font-size:17px;margin-bottom:4px}
.auth-box .lede{font-size:13px;color:var(--muted);margin-bottom:var(--s5)}
.auth-foot{text-align:center;font-size:12.5px;color:var(--muted);margin-top:var(--s4)}

/* ---------- Misc ---------- */
.divider{height:1px;background:var(--border);margin:var(--s4) 0}
.stack-sm>*+*{margin-top:var(--s2)}
.inline-form{display:flex;gap:var(--s2);align-items:flex-end;flex-wrap:wrap}
.inline-form .field{margin-bottom:0}
hr.soft{border:none;border-top:1px solid var(--border);margin:0}
[x-cloak]{display:none!important}

@media(max-width:760px){
  .app-nav{gap:10px;padding:0 12px;overflow-x:auto}
  .nav-right .who{display:none}
  .search input{width:170px}
  .page{padding:var(--s4) 12px var(--s6)}
  .part-hero{flex-direction:column;gap:var(--s3)}
}

/* ============================================================
   Round 2 additions — extends the vocabulary above.
   Released/locked · BOM diff · multi-level page · pager ·
   API tokens & show-once reveal · file uploads · filterbar ·
   logout link-button · combo loading.
   ============================================================ */

/* ---------- Released / locked ---------- */
/* distinct from .badge.pref (vendor "Preferred") — a frozen, official state */
.badge.released{--bcolor:#fff;--bbg:var(--c700);font-weight:600}
[data-theme="dark"] .badge.released{--bcolor:#0f1318;--bbg:var(--c400)}
.badge.released svg{width:10px;height:10px}
.rev.rev-frozen{border-color:var(--c700);color:var(--c700)}
[data-theme="dark"] .rev.rev-frozen{border-color:var(--c400);color:var(--c300)}

/* whole-card locked treatment (BOM on a released part) */
.card.is-locked{background:var(--surface-2)}
.card.is-locked .card-head{background:var(--surface-2)}
.card.is-locked .table th{background:transparent}
.locked-note{display:flex;align-items:center;gap:9px;padding:12px 15px;font-size:12.5px;color:var(--muted)}
.locked-note svg{flex:none;color:var(--c500)}
.card-head .lock-flag{display:inline-flex;align-items:center;gap:5px;font-size:11px;color:var(--faint)}
.card-head .lock-flag svg{color:var(--c500)}

/* ---------- Card-head action links (Multi-level view · Export CSV) ---------- */
.card-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.card-link{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:500;color:var(--muted)}
.card-link:hover{color:var(--brand);text-decoration:none}
.card-link svg{flex:none}
.card-actions .sep{width:1px;height:13px;background:var(--border-strong)}

/* ---------- BOM diff ---------- */
.diff-summary{display:flex;flex-wrap:wrap;gap:var(--s2);margin-bottom:var(--s4)}
.diff-chip{display:inline-flex;align-items:center;gap:7px;padding:6px 11px 6px 9px;border:1px solid var(--border);border-radius:var(--r);background:var(--surface);font-size:12.5px;color:var(--muted);box-shadow:var(--shadow-card)}
.diff-chip b{font-family:var(--font-mono);font-size:13px;color:var(--text-strong);font-weight:600}
.diff-chip .swatch{width:8px;height:8px;border-radius:2px;flex:none}
.diff-chip.added .swatch{background:var(--ok)}
.diff-chip.removed .swatch{background:var(--brand)}
.diff-chip.qty .swatch{background:var(--warn)}
.diff-chip.same .swatch{background:var(--c400)}
.badge.diff-added{--bcolor:var(--ok);--bbg:var(--ok-bg)}
.badge.diff-removed{--bcolor:var(--brand);--bbg:var(--brand-tint)}
.badge.diff-qty{--bcolor:var(--warn);--bbg:var(--warn-bg)}
tr.diff-added td:first-child{box-shadow:inset 3px 0 0 var(--ok)}
tr.diff-removed td:first-child{box-shadow:inset 3px 0 0 var(--brand)}
tr.diff-qty td:first-child{box-shadow:inset 3px 0 0 var(--warn)}
tr.diff-removed .pn-plain,tr.diff-removed td{color:var(--muted)}
.qty-delta{font-family:var(--font-mono);font-size:11px;color:var(--warn);margin-left:5px}
.qty-strike{text-decoration:line-through;color:var(--faint)}

/* diff header A → B */
.diff-head{display:flex;align-items:center;gap:var(--s4);flex-wrap:wrap}
.diff-side{display:flex;flex-direction:column;gap:3px}
.diff-side .id{display:flex;align-items:center;gap:8px}
.diff-side .id .pn-plain{font-size:17px;font-weight:600}
.diff-side .sub{font-size:11.5px;color:var(--faint)}
.diff-arrow{color:var(--c400);display:flex;align-items:center}

/* ---------- Rolled-up type tag ---------- */
.badge.type-sub{--bcolor:var(--info);--bbg:var(--info-bg)}
.badge.type-comp{--bcolor:var(--neutral);--bbg:var(--neutral-bg)}

/* ---------- Pager ---------- */
.pager{display:flex;align-items:center;justify-content:space-between;gap:var(--s3);flex-wrap:wrap}
.pager .pg-count{font-size:12.5px;color:var(--muted)}
.pager .pg-count b{color:var(--text);font-weight:600}
.pager .pg-nav{display:flex;align-items:center;gap:var(--s2)}
.pager .pg-info{font-size:12.5px;color:var(--muted);padding:0 4px;font-variant-numeric:tabular-nums}
.pager .pg-info b{color:var(--text-strong);font-weight:600}
.pg-btn{display:inline-flex;align-items:center;gap:5px;font-family:inherit;font-size:12.5px;font-weight:500;padding:5px 10px;border:1px solid var(--border-strong);border-radius:var(--r);background:var(--surface);color:var(--text);cursor:pointer}
.pg-btn:hover{background:var(--surface-2);border-color:var(--c400);text-decoration:none}
.pg-btn[disabled],.pg-btn.is-disabled{opacity:.45;cursor:not-allowed;pointer-events:none}
.pg-btn svg{flex:none}

/* ---------- Two-badge status cell ---------- */
.badge-stack{display:inline-flex;gap:5px;align-items:center;flex-wrap:wrap}

/* ---------- Filter bar (reworked toolbar) ---------- */
.filterbar{display:flex;align-items:center;gap:var(--s2);flex-wrap:wrap;width:100%}
.filterbar .search{flex:1;min-width:200px}
.filterbar .search input{width:100%}
.filterbar .filter-select{position:relative;flex:none}
.filterbar select{font-family:inherit;font-size:13px;padding:7px 30px 7px 10px;border:1px solid var(--border-strong);border-radius:var(--r);background:var(--surface);color:var(--text);appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%237b8794' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center}
.filterbar select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--focus)}
.filterbar .fb-clear{font-size:12px;color:var(--muted);background:none;border:none;cursor:pointer;padding:6px 4px}
.filterbar .fb-clear:hover{color:var(--brand)}

/* ---------- Logout / link-style button ---------- */
.linklike{font-family:inherit;font-size:12.5px;color:var(--muted);background:none;border:none;padding:0;cursor:pointer;line-height:inherit}
.linklike:hover{color:var(--text-strong);text-decoration:none}
.nav-logout{margin:0;display:inline-flex}

/* ---------- File upload input ---------- */
input[type=file].file-input{padding:0;border:none;background:none;font-size:12.5px;color:var(--muted);width:100%}
input[type=file].file-input::file-selector-button{font-family:inherit;font-size:12.5px;font-weight:500;padding:6px 11px;margin-right:10px;border:1px solid var(--border-strong);border-radius:var(--r);background:var(--surface);color:var(--text);cursor:pointer;transition:background .12s,border-color .12s}
input[type=file].file-input::file-selector-button:hover{background:var(--surface-2);border-color:var(--c400)}
.file-field{border:1px solid var(--border-strong);border-radius:var(--r);background:var(--surface);padding:7px 10px;display:flex;align-items:center;gap:8px}
.file-meta{font-size:11px;color:var(--faint);font-family:var(--font-mono)}

/* ---------- API token show-once reveal ---------- */
.token-reveal{border:1px solid var(--ok-bd);background:var(--ok-bg);border-radius:var(--r-lg);padding:16px 18px;margin-bottom:var(--s4)}
.token-reveal .tr-head{display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--ok);margin-bottom:3px}
.token-reveal .tr-sub{font-size:12.5px;color:var(--ok);opacity:.85;margin-bottom:12px}
.copybox{display:flex;align-items:stretch;border:1px solid var(--border-strong);border-radius:var(--r);background:var(--surface);overflow:hidden}
.copybox code{flex:1;font-family:var(--font-mono);font-size:13px;color:var(--text-strong);padding:11px 13px;word-break:break-all;letter-spacing:-.01em;user-select:all}
.copybox .copy-btn{flex:none;display:inline-flex;align-items:center;gap:6px;font-family:inherit;font-size:12.5px;font-weight:500;padding:0 15px;border:none;border-left:1px solid var(--border);background:var(--surface-2);color:var(--text);cursor:pointer}
.copybox .copy-btn:hover{background:var(--c100)}
[data-theme="dark"] .copybox .copy-btn:hover{background:var(--surface)}
.copybox .copy-btn.copied{color:var(--ok)}
.token-prefix{font-family:var(--font-mono);font-size:12.5px;color:var(--muted)}
.token-prefix .head{color:var(--text)}

/* ---------- Combo loading state ---------- */
.combo-loading{display:flex;align-items:center;justify-content:center;gap:9px;padding:14px;color:var(--muted);font-size:12.5px}

/* ---------- Ext-qty / rollup helpers ---------- */
td.qty-strong{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:500;color:var(--text)}
.ext-qty{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--muted)}

/* ---------- Revisions rows ---------- */
.rev-when{font-family:var(--font-mono);font-size:12px;color:var(--muted)}
.hist-note td .tag,.hist-release td .tag{display:inline-flex;align-items:center;gap:5px;font-size:10.5px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;padding:1px 6px;border-radius:var(--r-sm);margin-right:7px;vertical-align:1px}
.hist-note td .tag{color:var(--info);background:var(--info-bg)}
.hist-release td .tag{color:var(--c700);background:var(--c100)}
[data-theme="dark"] .hist-release td .tag{color:var(--c300);background:var(--surface-2)}

/* ============================================================
   Round 3 additions — lifecycle layer + make/buy source.
   Source tags · release-blocked / guidance notes · hero
   action menu & End-of-life zone · obsolete hero · BOM
   reference-only rows.
   ============================================================ */

/* ---------- Make / buy source tag ---------- */
/* cool = make (built in-house) · warm = buy (purchased) — scannable split */
.src-tag{display:inline-flex;align-items:center;gap:4px;font-family:var(--font-mono);font-size:10.5px;font-weight:600;letter-spacing:.02em;text-transform:uppercase;padding:2px 7px 2px 6px;border-radius:var(--r-sm);border:1px solid transparent}
.src-tag svg{width:10px;height:10px}
.src-tag.make{color:var(--info);background:var(--info-bg);border-color:color-mix(in oklab,var(--info) 22%,transparent)}
.src-tag.buy{color:var(--warn);background:var(--warn-bg);border-color:color-mix(in oklab,var(--warn) 24%,transparent)}
.src-tag.group{color:var(--muted);background:var(--surface-2);border-color:var(--border)}
/* quiet variant for dense table cells */
.src-tag.q{background:transparent;padding-left:0}

/* ---------- Superseded-by meta link ---------- */
.supersede{display:inline-flex;align-items:center;gap:5px;color:var(--muted)}
.supersede a{color:var(--brand);font-family:var(--font-mono);font-size:12px}
.supersede svg{color:var(--c400)}

/* ---------- Release-blocked / guidance notes ---------- */
.release-note{display:flex;gap:11px;padding:13px 15px;border:1px solid;border-radius:var(--r);margin-top:var(--s4);align-items:flex-start}
.release-note .rn-ico{flex:none;width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-top:1px}
.release-note .rn-body{flex:1;font-size:13px;line-height:1.5}
.release-note .rn-body h4{font-size:13px;margin-bottom:2px}
.release-note .rn-body p{margin:0;color:var(--muted)}
.release-note .rn-body .pn-plain{color:var(--text)}
.release-note .rn-act{margin-top:9px;display:flex;gap:8px;flex-wrap:wrap}
.release-note .x{flex:none;background:none;border:none;color:var(--c400);cursor:pointer;font-size:15px;line-height:1;padding:0 2px}
.release-note .x:hover{color:var(--text)}
/* blocked = calm red; a hard stop */
.release-note.is-blocked{background:var(--brand-tint);border-color:#f0cdd1}
[data-theme="dark"] .release-note.is-blocked{border-color:#4a2126}
.release-note.is-blocked .rn-ico{background:color-mix(in oklab,var(--brand) 16%,transparent);color:var(--brand)}
.release-note.is-blocked h4{color:var(--brand-ink)}
/* guidance = amber; advice, not a mistake */
.release-note.is-guidance{background:var(--warn-bg);border-color:var(--warn-bd)}
.release-note.is-guidance .rn-ico{background:color-mix(in oklab,var(--warn) 18%,transparent);color:var(--warn)}
.release-note.is-guidance h4{color:var(--warn)}

/* ---------- Hero action area (primary vs overflow) ---------- */
.hero-actions{display:flex;align-items:flex-start;gap:var(--s2)}
.menu{position:relative}
.btn-kebab{width:34px;padding:7px 0;justify-content:center}
.menu-pop{position:absolute;right:0;top:calc(100% + 6px);width:280px;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--r);box-shadow:var(--shadow-pop);z-index:45;overflow:hidden}
.menu-item{display:flex;align-items:center;gap:9px;width:100%;padding:9px 13px;font-family:inherit;font-size:13px;color:var(--text);background:none;border:none;cursor:pointer;text-align:left}
.menu-item:hover{background:var(--surface-2);text-decoration:none}
.menu-item svg{flex:none;color:var(--c500)}
.menu-item.danger{color:var(--brand)}
.menu-item.danger svg{color:var(--brand)}
.menu-sep{height:1px;background:var(--border);margin:0}
/* End-of-life zone inside the menu */
.eol-zone{padding:12px 13px;background:var(--surface-2);border-top:1px solid var(--border)}
.eol-zone h5{font-size:10.5px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:6px;margin-bottom:9px}
.eol-zone .eol-help{font-size:11.5px;color:var(--faint);margin:8px 0 0;line-height:1.45}
.eol-zone .field{margin-bottom:8px}
.eol-zone label{font-size:11.5px}

/* ---------- Obsolete hero treatment ---------- */
.part-hero.is-obsolete .num{color:var(--muted)}
.part-hero.is-obsolete .rev-lg{opacity:.7}

/* ---------- BOM reference-only rows (inside a bought assembly) ---------- */
tr.bom-ref td{color:var(--muted);font-style:italic}
tr.bom-ref td:first-child{box-shadow:inset 3px 0 0 var(--c300)}
[data-theme="dark"] tr.bom-ref td:first-child{box-shadow:inset 3px 0 0 var(--border-strong)}
tr.bom-ref .pn{font-style:normal}
.ref-tag{font-family:var(--font-mono);font-size:9.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--faint);border:1px solid var(--border-strong);border-radius:var(--r-sm);padding:0 4px;margin-left:7px;font-style:normal;vertical-align:1px}

/* rollup card header note */
.card-note{font-size:11.5px;color:var(--muted);font-style:italic;margin-left:auto;padding-right:2px}
.card-head .card-note{font-weight:400;text-transform:none;letter-spacing:0}