/* ============================================================
   Plating ERP — design system (v2)
   Self-contained. No external framework. Runs fully offline.
   Identity: refined brass-gold accent on cool slate. Dense, fast,
   legible. v2 adds a mobile-first shell, smoother interactions,
   sticky form actions, progress steps, empty states, and toasts.
   ============================================================ */
:root{
  --slate-900:#171B26;   --slate-800:#1F2532;   --slate-700:#2A3140;
  --slate-500:#6C727F;   --slate-300:#AEB4BF;
  --paper:#F1F2F4;       --card:#FFFFFF;         --line:#E4E6EA;
  --line-strong:#D2D5DB;
  --ink:#1B1E27;         --ink-muted:#6C727F;
  --gold:#C6A15B;        --gold-strong:#9A7B3A;  --gold-wash:#FBF3E0;
  --green:#2E7D53;       --green-wash:#E7F4ED;
  --amber:#B8860B;       --amber-wash:#FBF3E0;
  --coal:#3A3F4A;        --coal-wash:#E8E9EC;
  --red:#B23B3B;         --red-wash:#FBEBEB;
  --radius:10px;         --radius-sm:7px;
  --shadow:0 1px 2px rgba(16,20,30,.04), 0 4px 14px rgba(16,20,30,.05);
  --shadow-lg:0 6px 16px rgba(16,20,30,.08), 0 20px 40px rgba(16,20,30,.10);
  --focus:0 0 0 3px rgba(198,161,91,.28);
  --font:-apple-system,"Segoe UI",Roboto,"DejaVu Sans",system-ui,sans-serif;
  --mono:"DejaVu Sans Mono",ui-monospace,Menlo,monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--font);background:var(--paper);color:var(--ink);
  font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility}
a{color:var(--gold-strong);text-decoration:none;transition:color .15s var(--ease)}
a:hover{color:var(--gold);text-decoration:underline}
::selection{background:var(--gold-wash);color:var(--ink)}

/* ---- layout shell ---- */
.shell{display:flex;min-height:100vh}
.sidebar{width:236px;background:var(--slate-900);color:#fff;flex-shrink:0;
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
  transition:transform .28s var(--ease)}
.brand{padding:20px 22px 18px;border-bottom:1px solid rgba(255,255,255,.07);
  display:flex;align-items:center;justify-content:space-between;gap:8px}
.brand .mark{display:flex;align-items:center;gap:10px}
.brand .dot{width:26px;height:26px;border-radius:7px;
  background:linear-gradient(135deg,var(--gold),var(--gold-strong));
  display:flex;align-items:center;justify-content:center;color:#171B26;
  font-weight:800;font-size:14px}
.brand .name{font-weight:700;font-size:15px;letter-spacing:.2px}
.brand .sub{color:var(--slate-300);font-size:11px;margin-top:2px;letter-spacing:.3px}
.brand .sb-close{display:none;background:none;border:0;color:var(--slate-300);
  font-size:22px;cursor:pointer;padding:4px 8px;border-radius:6px}
.brand .sb-close:hover{background:var(--slate-800);color:#fff}

.nav{padding:12px 12px;flex:1;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--slate-700) transparent}
.nav::-webkit-scrollbar{width:6px}
.nav::-webkit-scrollbar-thumb{background:var(--slate-700);border-radius:3px}
.nav .group{color:var(--slate-500);font-size:10.5px;font-weight:700;
  letter-spacing:.9px;text-transform:uppercase;padding:14px 12px 6px}
.nav a{display:flex;align-items:center;gap:11px;color:#C7CBD3;
  padding:9px 12px;border-radius:8px;font-size:13.5px;font-weight:500;
  border-left:3px solid transparent;margin:1px 0;transition:background .15s var(--ease),color .15s var(--ease)}
.nav a:hover{background:var(--slate-800);color:#fff;text-decoration:none}
.nav a.active{background:var(--slate-800);color:#fff;border-left-color:var(--gold)}
.nav a .ic{width:17px;text-align:center;opacity:.85;font-size:14px}
.who{padding:14px 16px;border-top:1px solid rgba(255,255,255,.07);
  display:flex;align-items:center;gap:10px}
.who .av{width:32px;height:32px;border-radius:50%;background:var(--slate-700);
  display:flex;align-items:center;justify-content:center;font-weight:700;
  color:var(--gold);font-size:13px}
.who .n{font-size:13px;font-weight:600;color:#fff;line-height:1.2}
.who .r{font-size:11px;color:var(--slate-300)}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{height:60px;background:var(--card);border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;padding:0 26px;gap:12px;
  position:sticky;top:0;z-index:50;box-shadow:0 1px 0 var(--line),0 6px 16px rgba(16,20,30,.05)}
.topbar .left{display:flex;align-items:center;gap:12px;min-width:0;flex:1}
.topbar .crumb{font-size:13px;color:var(--ink-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .crumb b{color:var(--ink);font-weight:600}
.topbar .right{display:flex;gap:12px;align-items:center}
.sb-toggle{display:none;background:none;border:1px solid var(--line);
  width:36px;height:36px;border-radius:8px;cursor:pointer;padding:0;
  align-items:center;justify-content:center;color:var(--ink)}
.sb-toggle:hover{background:#FAFAFB}
.sb-toggle svg{width:18px;height:18px}
.sb-scrim{display:none;position:fixed;inset:0;background:rgba(10,12,18,.5);z-index:60;
  animation:fadeIn .18s var(--ease)}
.content{padding:26px;max-width:1180px;width:100%;animation:pageIn .28s var(--ease)}

@keyframes pageIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

/* sign-out */
.btn-signout{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);
  background:var(--card);color:#31363F;padding:8px 14px;border-radius:8px;
  font-size:13.5px;font-weight:700;cursor:pointer;transition:.15s var(--ease);white-space:nowrap}
.btn-signout .ic{font-size:15px;line-height:1;color:var(--slate-500)}
.btn-signout:hover{border-color:var(--red);background:var(--red-wash);color:var(--red);text-decoration:none}
.btn-signout:hover .ic{color:var(--red)}

/* ---- page header ---- */
.page-h{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:20px;gap:16px;flex-wrap:wrap}
.page-h h1{font-size:21px;margin:0;font-weight:700;letter-spacing:-.2px}
.page-h .lead{color:var(--ink-muted);font-size:13px;margin-top:3px;max-width:640px}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);
  background:var(--card);color:var(--ink);padding:8px 14px;border-radius:8px;
  font-size:13.5px;font-weight:600;cursor:pointer;transition:.15s var(--ease);
  user-select:none;-webkit-user-select:none}
.btn:hover{border-color:var(--line-strong);text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:none;box-shadow:var(--focus)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-primary{background:linear-gradient(180deg,var(--gold),var(--gold-strong));
  border-color:var(--gold-strong);color:#20160a;font-weight:700}
.btn-primary:hover{filter:brightness(1.05);border-color:var(--gold-strong)}
.btn-dark{background:var(--slate-900);border-color:var(--slate-900);color:#fff}
.btn-dark:hover{background:var(--slate-800);border-color:var(--slate-800)}
.btn-sm{padding:5px 10px;font-size:12.5px}
.btn-ghost{background:transparent;border-color:transparent;color:var(--ink-muted)}
.btn-ghost:hover{background:#FAFAFB;color:var(--ink)}
.btn-danger{color:var(--red);border-color:var(--red-wash);background:var(--red-wash)}
.btn-danger:hover{background:var(--red);color:#fff;border-color:var(--red)}

/* ---- cards ---- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden}
.card + .card{margin-top:18px}
.card-h{padding:15px 20px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.card-h h2{font-size:14.5px;margin:0;font-weight:700}
.card-h .hint{font-size:12px;color:var(--ink-muted)}
.card-b{padding:20px}
.card-b.tight{padding:0}

/* ---- stat tiles ---- */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.tile{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;box-shadow:var(--shadow);transition:.18s var(--ease);position:relative}
.tile:hover{box-shadow:var(--shadow-lg);transform:translateY(-1px)}
.tile .k{font-size:12px;color:var(--ink-muted);font-weight:600;letter-spacing:.2px}
.tile .v{font-size:26px;font-weight:750;margin-top:6px;letter-spacing:-.5px;font-variant-numeric:tabular-nums}
.tile .m{font-size:11.5px;color:var(--ink-muted);margin-top:3px}
.tile .v .u{font-size:14px;color:var(--ink-muted);font-weight:600}
.tile.accent{border-top:3px solid var(--gold)}

/* ---- progress steps (job lifecycle) ---- */
.flow{display:flex;gap:0;align-items:stretch;background:#FAFAFB;border:1px solid var(--line);
  border-radius:var(--radius);padding:8px;margin-bottom:20px;overflow-x:auto}
.flow .step{flex:1;min-width:120px;display:flex;flex-direction:column;gap:2px;
  padding:10px 12px;border-radius:8px;position:relative;transition:.15s var(--ease)}
.flow .step + .step::before{content:"›";position:absolute;left:-8px;top:50%;
  transform:translateY(-50%);color:var(--slate-300);font-size:18px;font-weight:700}
.flow .step .n{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--ink-muted)}
.flow .step .t{font-size:13px;font-weight:600;color:var(--ink)}
.flow .step .m{font-size:11px;color:var(--ink-muted)}
.flow .step.done{background:var(--green-wash)}
.flow .step.done .n{color:var(--green)}
.flow .step.current{background:var(--gold-wash);box-shadow:inset 0 0 0 1px var(--gold)}
.flow .step.current .n{color:var(--gold-strong)}

/* ---- tables ---- */
table.grid{width:100%;border-collapse:collapse;font-size:13.5px}
table.grid th{text-align:left;padding:11px 16px;background:#FAFAFB;
  color:var(--ink-muted);font-weight:700;font-size:11.5px;letter-spacing:.4px;
  text-transform:uppercase;border-bottom:1px solid var(--line);white-space:nowrap}
table.grid td{padding:11px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
table.grid tr:last-child td{border-bottom:0}
table.grid tbody tr{transition:background .12s var(--ease)}
table.grid tbody tr:hover{background:#FCFBF8}
table.grid tbody tr:focus-within{background:var(--gold-wash)}
table.grid td.num,table.grid th.num{text-align:right;font-variant-numeric:tabular-nums}
table.grid tfoot td{font-weight:700;background:#FAFAFB;border-top:2px solid var(--line)}
.code-chip{font-family:var(--mono);font-size:12px;font-weight:700;color:var(--gold-strong);
  background:var(--gold-wash);padding:2px 7px;border-radius:5px;white-space:nowrap}

/* horizontal scroll wrapper for wide tables on mobile */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* ---- badges ---- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:20px;
  font-size:11.5px;font-weight:700;letter-spacing:.2px}
.badge .d{width:6px;height:6px;border-radius:50%}
.b-green{background:var(--green-wash);color:var(--green)} .b-green .d{background:var(--green)}
.b-amber{background:var(--amber-wash);color:var(--amber)} .b-amber .d{background:var(--amber)}
.b-coal{background:var(--coal-wash);color:var(--coal)} .b-coal .d{background:var(--coal)}
.b-gold{background:var(--gold-wash);color:var(--gold-strong)} .b-gold .d{background:var(--gold-strong)}
.b-red{background:var(--red-wash);color:var(--red)} .b-red .d{background:var(--red)}

/* ---- forms ---- */
.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:12.5px;font-weight:700;margin-bottom:6px;color:#31363F}
.field .req{color:var(--red)}
input[type=text],input[type=number],input[type=date],input[type=password],input[type=email],
input[type=tel],select,textarea{
  width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;
  font-size:13.5px;font-family:var(--font);background:#fff;color:var(--ink);
  transition:border-color .12s var(--ease),box-shadow .12s var(--ease)}
input:hover:not(:disabled),select:hover:not(:disabled),textarea:hover{border-color:var(--line-strong)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--gold);box-shadow:var(--focus)}
input:disabled,select:disabled,textarea:disabled{background:#F6F7F9;color:var(--ink-muted);cursor:not-allowed}
input:user-invalid{border-color:var(--red)}
input:user-invalid:focus{box-shadow:0 0 0 3px rgba(178,59,59,.18)}
/* Prevent number wheel from changing values on scroll */
input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
input[type=number]{-moz-appearance:textfield}
textarea{resize:vertical;min-height:64px}
.help{font-size:11.5px;color:var(--ink-muted);margin-top:5px}
.divider{height:1px;background:var(--line);margin:18px 0}

/* line-item editor */
.lines th{font-size:11px}
.lines td{padding:8px 10px}
.lines input,.lines select{padding:7px 9px;font-size:13px}
.lines .qty{max-width:104px;text-align:right}
.calc{font-variant-numeric:tabular-nums;font-weight:700}
.row-actions button{border:none;background:none;color:var(--ink-muted);cursor:pointer;
  font-size:15px;padding:4px 8px;border-radius:6px;transition:.12s var(--ease)}
.row-actions button:hover{background:var(--red-wash);color:var(--red)}
.thumb{width:38px;height:38px;border-radius:7px;object-fit:cover;border:1px solid var(--line);
  background:#F3F1EB;display:flex;align-items:center;justify-content:center;color:var(--gold-strong);
  font-size:15px;transition:.15s var(--ease)}
.thumb:hover{border-color:var(--gold);background:var(--gold-wash)}

/* sticky action bar at bottom of long forms */
.form-actions{position:sticky;bottom:0;background:linear-gradient(180deg,transparent,var(--paper) 30%);
  padding:18px 0 6px;margin-top:18px;display:flex;gap:10px;align-items:center;
  z-index:20;flex-wrap:wrap}
.form-actions .fa-hint{color:var(--ink-muted);font-size:12px;margin-left:auto}

/* pending identity strip */
.identity{display:flex;gap:18px;align-items:center;background:#FAFAF7;
  border:1px dashed var(--line);border-radius:9px;padding:12px 16px;margin-top:14px;flex-wrap:wrap}
.identity .seg{display:flex;flex-direction:column}
.identity .seg .lab{font-size:11px;color:var(--ink-muted);font-weight:700;text-transform:uppercase;letter-spacing:.4px}
.identity .seg .val{font-size:19px;font-weight:750;font-variant-numeric:tabular-nums}
.identity .op{font-size:18px;color:var(--slate-300);font-weight:700}
.identity .ok{margin-left:auto;font-size:12.5px;font-weight:700}

/* login */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:radial-gradient(1200px 500px at 50% -10%,#232A38,#141821)}
.auth-card{width:380px;max-width:100%;background:var(--card);border-radius:14px;padding:34px 32px;
  box-shadow:0 24px 60px rgba(0,0,0,.35);animation:pageIn .32s var(--ease)}
.auth .mark{display:flex;align-items:center;gap:11px;margin-bottom:6px}
.auth .dot{width:34px;height:34px;border-radius:9px;
  background:linear-gradient(135deg,var(--gold),var(--gold-strong));
  display:flex;align-items:center;justify-content:center;color:#171B26;font-weight:800}
.auth h1{font-size:19px;margin:0} .auth .sub{color:var(--ink-muted);font-size:12.5px;margin:2px 0 22px}

/* header clock */
.clock{display:flex;flex-direction:column;align-items:flex-end;line-height:1.15;
  padding-right:12px;border-right:1px solid var(--line);margin-right:2px}
.clock .c-time{font-variant-numeric:tabular-nums;font-weight:700;font-size:14px;
  color:var(--ink);letter-spacing:.3px}
.clock .c-date{font-size:11px;color:var(--ink-muted);font-weight:600}

/* empty state */
.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:40px 20px;text-align:center;color:var(--ink-muted)}
.empty .glyph{width:56px;height:56px;border-radius:14px;background:var(--gold-wash);
  color:var(--gold-strong);display:flex;align-items:center;justify-content:center;
  font-size:24px;margin-bottom:12px}
.empty h3{margin:0 0 4px;font-size:15px;color:var(--ink);font-weight:700}
.empty p{margin:0 0 14px;font-size:13px;max-width:360px}

/* toast area (used by JS showToast()) */
.toast-slot{position:fixed;top:76px;right:20px;z-index:200;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.toast{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--gold);
  border-radius:8px;padding:10px 14px;box-shadow:var(--shadow-lg);min-width:220px;max-width:360px;
  font-size:13px;color:var(--ink);animation:toastIn .22s var(--ease);pointer-events:auto}
.toast.ok{border-left-color:var(--green)}
.toast.err{border-left-color:var(--red)}
@keyframes toastIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:none}}

.flex-between{display:flex;align-items:center;justify-content:space-between}

/* Quick-create modal (item / party) */
.qc-dialog{border:0;border-radius:12px;padding:0;background:transparent;
  box-shadow:0 30px 80px rgba(10,14,22,.35);max-width:96vw;width:420px}
.qc-dialog::backdrop{background:rgba(10,14,22,.45);backdrop-filter:blur(1px);animation:fadeIn .18s var(--ease)}
.qc-form{background:var(--card);border-radius:12px;padding:20px 22px;animation:pageIn .22s var(--ease)}
.qc-h{font-size:16px;font-weight:700;margin-bottom:14px;letter-spacing:-.1px}
.qc-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:6px}
.qc-err{background:var(--red-wash);color:var(--red);padding:8px 12px;border-radius:8px;
  font-size:12.5px;margin-bottom:12px;font-weight:600}
.mt0{margin-top:0}.muted{color:var(--ink-muted)}
.owner-only{background:var(--gold-wash);border-radius:5px;padding:1px 6px;font-size:10.5px;
  font-weight:700;color:var(--gold-strong);letter-spacing:.3px;text-transform:uppercase;vertical-align:middle}

/* skip-to-content for a11y */
.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:8px;top:8px;background:var(--gold);color:#20160a;padding:8px 12px;
  border-radius:8px;z-index:300;font-weight:700}

/* ============================================================
   Mobile: collapse sidebar into an off-canvas drawer
   ============================================================ */
@media (max-width: 900px){
  .shell{display:block}
  .sidebar{position:fixed;top:0;left:0;height:100vh;z-index:70;
    transform:translateX(-100%);box-shadow:var(--shadow-lg)}
  body.sb-open .sidebar{transform:translateX(0)}
  body.sb-open .sb-scrim{display:block}
  .brand .sb-close{display:inline-flex;align-items:center;justify-content:center}
  .sb-toggle{display:inline-flex}
  .main{width:100%}
  .topbar{padding:0 14px;height:56px}
  .content{padding:16px}
  .tiles{grid-template-columns:repeat(2,1fr);gap:12px}
  .tile .v{font-size:22px}
  .form-row{grid-template-columns:1fr}
  .page-h h1{font-size:19px}
  .clock{display:none}
  .card-b{padding:16px}
}

@media (max-width: 520px){
  .tiles{grid-template-columns:1fr}
  .btn-signout span:not(.ic){display:none}
  .btn-signout{padding:8px 10px}
}