:root{
  --navy:#0f3d5c; --navy-2:#164e75; --sky:#0ea5e9; --sky-soft:#e0f2fe;
  --ink:#0f1b25; --muted:#5b7183; --line:#dde5ec; --bg:#f2f6f9; --card:#fff;
  --ok:#0f9d63; --ok-bg:#e7f7ef; --warn:#b45309; --warn-bg:#fef4e2;
  --danger:#c0392f; --danger-bg:#fdeceb; --violet:#6d4aff; --violet-bg:#efeaff;
  --r:12px; --shadow:0 1px 2px rgba(16,38,55,.06),0 6px 18px rgba(16,38,55,.06);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font:15px/1.5 "Inter","Segoe UI",system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}
.hidden{display:none!important}
svg{stroke:currentColor;stroke-width:1.9;fill:none;stroke-linecap:round;stroke-linejoin:round}
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}

/* ------------------------------- login ------------------------------- */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;
  background:radial-gradient(1200px 600px at 20% -10%,#1d5b85 0%,#0f3d5c 45%,#0a2a41 100%)}
.login-card{background:#fff;border-radius:18px;padding:32px;width:100%;max-width:390px;
  box-shadow:0 24px 60px rgba(0,0,0,.28);display:flex;flex-direction:column;gap:16px}
.login-brand{display:flex;gap:14px;align-items:center;margin-bottom:6px}
.login-brand h1{font-size:21px}
.login-brand p{margin:2px 0 0;color:var(--muted);font-size:13px}
label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:#33475a}
input,select,textarea{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:9px;
  background:#fff;color:var(--ink);width:100%;font-weight:400}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--sky);box-shadow:0 0 0 3px var(--sky-soft)}
input[readonly]{background:#f6f9fb;color:var(--muted)}
textarea{resize:vertical;min-height:64px}
.form-error{background:var(--danger-bg);color:var(--danger);padding:10px 12px;border-radius:9px;font-size:13px}

/* ------------------------------ buttons ------------------------------ */
.btn{font:inherit;font-weight:600;font-size:14px;padding:9px 15px;border-radius:9px;border:1px solid transparent;
  background:#fff;color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;gap:7px;
  white-space:nowrap;transition:.14s}
.btn svg{width:16px;height:16px}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:none}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-2)}
.btn-sky{background:var(--sky);color:#fff}
.btn-outline{border-color:var(--line);background:#fff}
.btn-outline:hover{border-color:var(--navy);color:var(--navy)}
.btn-ghost{background:transparent;color:#cfe3f0}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-danger{background:var(--danger);color:#fff}
.btn-sm{padding:6px 11px;font-size:13px}
.btn-block{width:100%;justify-content:center;padding:11px}
.icon-btn{background:none;border:none;color:inherit;cursor:pointer;padding:6px;border-radius:8px;display:grid;place-items:center}
.icon-btn svg{width:22px;height:22px}
.icon-btn:hover{background:rgba(255,255,255,.12)}

/* ------------------------------- topbar ------------------------------ */
.topbar{height:58px;background:var(--navy);color:#fff;display:flex;align-items:center;gap:14px;
  padding:0 16px;position:sticky;top:0;z-index:40}
.topbar-brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:16px}
.topbar-search{flex:1;max-width:460px;position:relative;display:flex;align-items:center}
.topbar-search svg{position:absolute;left:11px;width:16px;height:16px;color:#7fa8c4}
.topbar-search input{background:rgba(255,255,255,.12);border-color:transparent;color:#fff;padding-left:34px;height:37px}
.topbar-search input::placeholder{color:#8fb3cc}
.topbar-search input:focus{background:rgba(255,255,255,.2);box-shadow:none;border-color:#4d90bb}
.topbar-user{margin-left:auto;display:flex;align-items:center;gap:10px}
.user-chip{font-size:13px;color:#cfe3f0;white-space:nowrap}
.user-chip b{color:#fff;display:block;font-size:13.5px;font-weight:600}
.menu-btn{display:none}

/* ------------------------------- layout ------------------------------ */
.shell{display:flex;min-height:calc(100vh - 58px)}
.sidebar{width:224px;flex:0 0 224px;background:#fff;border-right:1px solid var(--line);
  padding:12px 10px;display:flex;flex-direction:column;gap:2px;position:sticky;top:58px;
  height:calc(100vh - 58px);overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:9px;
  font-size:14px;font-weight:550;color:#3e556a;cursor:pointer}
.nav-item svg{width:18px;height:18px;color:#8aa2b6;flex:0 0 18px}
.nav-item:hover{background:#f1f6fa;color:var(--navy)}
.nav-item.active{background:var(--sky-soft);color:var(--navy);font-weight:650}
.nav-item.active svg{color:var(--sky)}
.nav-sep{height:1px;background:var(--line);margin:9px 12px}
.scrim{display:none}
.main{flex:1;padding:22px;min-width:0;max-width:1500px}

/* ------------------------------- pieces ------------------------------ */
.page-head{display:flex;align-items:flex-start;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.page-head h2{font-size:21px}
.page-head p{margin:3px 0 0;color:var(--muted);font-size:13.5px}
.page-actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);margin-bottom:18px}
.card-head{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.card-head h3{font-size:15px}
.card-head .sub{color:var(--muted);font-size:13px;font-weight:400}
.card-head .right{margin-left:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.card-body{padding:18px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(auto-fit,minmax(330px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.field-row{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));margin-bottom:14px}
.hint{font-size:12.5px;color:var(--muted);font-weight:400;margin-top:4px}

/* KPI */
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;box-shadow:var(--shadow)}
.kpi .label{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:650}
.kpi .value{font-size:28px;font-weight:700;margin-top:6px;letter-spacing:-.02em}
.kpi .foot{font-size:12.5px;color:var(--muted);margin-top:3px}
.kpi.alert .value{color:var(--danger)}
.kpi.warn .value{color:var(--warn)}

/* tables */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{text-align:left;padding:10px 14px;background:#f7fafc;color:#546a7d;font-weight:650;font-size:12px;
  text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:11px 14px;border-bottom:1px solid #eef3f7;vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr.clickable{cursor:pointer}
tbody tr.clickable:hover{background:#f7fbfe}
.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.mono{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-size:12.5px}
.dim{color:var(--muted)}
.strong{font-weight:600}
.empty{padding:40px 20px;text-align:center;color:var(--muted)}
.empty svg{width:34px;height:34px;color:#c3d3df;margin-bottom:8px}

/* badges */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:99px;
  font-size:11.5px;font-weight:650;white-space:nowrap}
.b-ok{background:var(--ok-bg);color:var(--ok)}
.b-warn{background:var(--warn-bg);color:var(--warn)}
.b-danger{background:var(--danger-bg);color:var(--danger)}
.b-sky{background:var(--sky-soft);color:#0369a1}
.b-violet{background:var(--violet-bg);color:var(--violet)}
.b-grey{background:#eef2f6;color:#5b7183}
.dot{width:7px;height:7px;border-radius:50%;background:currentColor;flex:0 0 7px}

.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:18px;overflow-x:auto}
.tab{padding:9px 15px;font-size:14px;font-weight:600;color:var(--muted);cursor:pointer;
  border-bottom:2px solid transparent;white-space:nowrap}
.tab.active{color:var(--navy);border-bottom-color:var(--sky)}
.tab:hover{color:var(--navy)}

.filters{display:flex;gap:9px;flex-wrap:wrap;align-items:flex-end;margin-bottom:16px}
.filters label{font-size:12px}
.filters input,.filters select{min-width:150px}

/* modal */
.modal-back{position:fixed;inset:0;background:rgba(12,28,42,.5);display:grid;place-items:center;
  z-index:100;padding:18px;overflow-y:auto}
.modal{background:#fff;border-radius:15px;width:100%;max-width:640px;box-shadow:0 24px 70px rgba(0,0,0,.3);
  max-height:92vh;display:flex;flex-direction:column;margin:auto}
.modal.wide{max-width:900px}
.modal-head{padding:17px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px}
.modal-head h3{font-size:16.5px}
.modal-head .sub{font-size:13px;color:var(--muted);margin-top:2px}
.modal-body{padding:20px;overflow-y:auto}
.modal-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;gap:9px;justify-content:flex-end;
  background:#fafcfd;border-radius:0 0 15px 15px}

/* toasts */
.toasts{position:fixed;bottom:18px;right:18px;z-index:200;display:flex;flex-direction:column;gap:9px}
.toast{background:#122c40;color:#fff;padding:12px 16px;border-radius:10px;font-size:14px;
  box-shadow:0 10px 30px rgba(0,0,0,.25);max-width:380px;animation:slide .22s ease}
.toast.ok{background:#0f7d52}
.toast.err{background:#a5322a}
@keyframes slide{from{opacity:0;transform:translateX(16px)}}

/* lot picker rows */
.line-row{display:grid;grid-template-columns:1fr 120px 34px;gap:9px;align-items:end;margin-bottom:9px}
.plan{background:#f7fafc;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-top:6px}
.plan-line{display:flex;justify-content:space-between;gap:10px;padding:4px 0;font-size:13.5px}

/* trace tree */
.tree{list-style:none;margin:0;padding-left:0}
.tree ul{list-style:none;margin:4px 0 0;padding-left:22px;border-left:2px solid #dbe6ee}
.tnode{padding:9px 12px;border:1px solid var(--line);border-radius:10px;margin:5px 0;background:#fff}
.tnode.raw{border-left:4px solid var(--sky)}
.tnode.finished{border-left:4px solid var(--violet)}
.tnode.packaging{border-left:4px solid #94a3b8}
.tnode .t-top{display:flex;gap:9px;align-items:center;flex-wrap:wrap}
.tnode .t-meta{font-size:12.5px;color:var(--muted);margin-top:3px}

.stack{display:flex;flex-direction:column;gap:2px}
.inline{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.spacer{flex:1}

@media(max-width:900px){
  .menu-btn{display:grid}
  .topbar-search{display:none}
  .sidebar{position:fixed;left:0;top:58px;z-index:50;transform:translateX(-100%);transition:.2s;box-shadow:4px 0 24px rgba(0,0,0,.14)}
  .sidebar.open{transform:none}
  .scrim.show{display:block;position:fixed;inset:58px 0 0;background:rgba(10,25,38,.4);z-index:45}
  .main{padding:14px}
  .user-chip b{display:inline}
  .user-chip span{display:none}
  .line-row{grid-template-columns:1fr 90px 34px}
}
@media(max-width:560px){
  .topbar-brand span{display:none}
  .page-head h2{font-size:19px}
  td,th{padding:9px 10px}
  .hide-sm{display:none}
  .grid.g4{grid-template-columns:1fr 1fr}
  .kpi{padding:12px 14px}
  .kpi .value{font-size:22px}
}
.nowrap{white-space:nowrap}
@media print{
  .topbar,.sidebar,.page-actions,.modal-foot{display:none!important}
  body{background:#fff}
  .card{box-shadow:none;break-inside:avoid}
}

/* language picker */
.lang-pick{width:auto;min-width:86px;padding:5px 8px;font-size:13px;border-radius:8px;
  background:rgba(255,255,255,.12);border-color:transparent;color:#fff;cursor:pointer}
.lang-pick:focus{box-shadow:none;border-color:#4d90bb}
.lang-pick option{color:var(--ink);background:#fff}
.login-card .lang-pick{background:#fff;border:1px solid var(--line);color:var(--ink);margin-left:auto}
@media(max-width:560px){ .lang-pick{min-width:0;font-size:12px} }

/* costing */
.mat-row{display:flex;flex-wrap:wrap;gap:5px;margin-top:5px}
.mat-chip{font-size:11.5px;background:#f1f6fa;border:1px solid var(--line);border-radius:6px;
  padding:2px 7px;color:var(--muted);white-space:nowrap}
.mat-chip b{color:var(--ink);font-weight:600;margin-left:4px}
.mat-chip.supplied{background:#fff7ed;border-color:#fed7aa;color:var(--warn)}
.mat-chip.supplied b{color:var(--warn);font-weight:600}
tr.month-head td{background:#f2f7fb;font-weight:700;font-size:12.5px;color:var(--navy);
  border-top:1px solid var(--line)}

/* voided ledger rows */
tbody tr.voided td{opacity:.55}
tbody tr.voided td:nth-child(5){text-decoration:line-through}