:root{
  --ink:#0f2033;        /* deep slate navy */
  --ink-2:#1d3550;
  --paper:#f4f6f9;      /* app background */
  --surface:#ffffff;
  --line:#e2e7ee;
  --line-2:#cdd6e2;
  --muted:#5f6f82;
  --muted-2:#8493a5;
  --brand:#0e7c86;      /* industrial teal */
  --brand-d:#0a5b63;
  --brand-soft:#e3f3f4;
  --amber:#c9820b;      /* pending */
  --amber-soft:#fbf1dc;
  --blue:#2563a8;       /* in progress */
  --blue-soft:#e5eefa;
  --green:#1c7a4d;      /* done / paid */
  --green-soft:#e2f3ea;
  --red:#c0392b;        /* overdue / lost */
  --red-soft:#fbe7e4;
  --radius:10px;
  --shadow:0 1px 2px rgba(15,32,51,.06),0 4px 16px rgba(15,32,51,.05);
  --mono:"SF Mono",ui-monospace,"Cascadia Mono","Roboto Mono",Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:14px}
a{color:var(--brand-d)}

/* ---------- Layout ---------- */
.app{display:flex;min-height:100vh}
.side{width:230px;background:var(--ink);color:#cdd8e6;flex-shrink:0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{padding:20px 20px 16px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand .logo{display:flex;align-items:center;gap:10px}
.brand .mark{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,var(--brand),#12a3ad);display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:16px;letter-spacing:.5px}
.brand .name{font-weight:700;color:#fff;font-size:15px;line-height:1.1}
.brand .sub{font-size:11px;color:#7f93ac;letter-spacing:.4px;text-transform:uppercase;margin-top:2px}
.nav{padding:10px 12px;flex:1;overflow:auto}
.nav .grp{font-size:10px;text-transform:uppercase;letter-spacing:.8px;color:#63758d;padding:14px 10px 6px}
.nav button{width:100%;display:flex;align-items:center;gap:10px;background:none;border:0;color:#c2cfdf;padding:9px 10px;border-radius:8px;text-align:left;font-size:13.5px;font-weight:500;position:relative}
.nav button .ic{width:18px;text-align:center;opacity:.85;font-size:14px}
.nav button:hover{background:rgba(255,255,255,.06);color:#fff}
.nav button.active{background:var(--brand);color:#fff}
.nav button .badge{margin-left:auto;background:var(--red);color:#fff;font-size:11px;font-weight:700;min-width:18px;height:18px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 5px}
.nav button.active .badge{background:rgba(255,255,255,.25)}
.side .foot{padding:12px 16px;border-top:1px solid rgba(255,255,255,.08);font-size:11px;color:#63758d}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{background:var(--surface);border-bottom:1px solid var(--line);padding:14px 26px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:20}
.topbar h1{font-size:18px;margin:0;font-weight:700}
.topbar .crumb{color:var(--muted);font-size:12.5px;margin-top:1px}
.topbar .spacer{flex:1}
.content{padding:24px 26px 60px;max-width:1400px;width:100%}

/* ---------- Buttons ---------- */
.btn{border:1px solid var(--line-2);background:var(--surface);color:var(--ink);padding:8px 14px;border-radius:8px;font-weight:600;font-size:13px;display:inline-flex;align-items:center;gap:7px;transition:.12s}
.btn:hover{border-color:var(--muted-2);background:#fafbfc}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-d);border-color:var(--brand-d)}
.btn.ghost{border-color:transparent;background:transparent}
.btn.ghost:hover{background:#eef1f5}
.btn.sm{padding:5px 10px;font-size:12px}
.btn.icon-btn{padding:5px 9px;font-size:14px;line-height:1}
.btn.icon-btn:hover{color:var(--brand-d);border-color:var(--brand)}
.btn.danger{color:var(--red);border-color:#eecfca}
.btn.danger:hover{background:var(--red-soft)}

/* ---------- Cards / KPI ---------- */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(158px,1fr));gap:14px;margin-bottom:22px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:15px 16px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.kpi[data-preset]{cursor:pointer;transition:.14s}
.kpi[data-preset]:hover{border-color:var(--brand);box-shadow:0 3px 14px rgba(14,124,134,.14);transform:translateY(-1px)}
.kpi[data-preset]:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.kpi .k-more{color:var(--brand-d);font-weight:700;opacity:0;transition:.14s}
.kpi[data-preset]:hover .k-more{opacity:1}
.kpi .k-top{display:flex;align-items:center;justify-content:space-between}
.kpi .k-label{font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.4px;font-weight:600}
.kpi .k-val{font-size:26px;font-weight:800;margin-top:6px;font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.kpi .k-sub{font-size:11.5px;color:var(--muted-2);margin-top:2px}
.kpi .k-dot{width:8px;height:8px;border-radius:50%}
.kpi.alert{border-color:#eecfca}
.kpi.alert .k-val{color:var(--red)}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:22px}
.panel .p-head{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px}
.panel .p-head h2{margin:0;font-size:15px;font-weight:700}
.panel .p-head .spacer{flex:1}
.panel .p-body{padding:6px 0}
.panel .p-pad{padding:16px 18px}

/* ---------- Table ---------- */
table{width:100%;border-collapse:collapse}
thead th{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);font-weight:700;text-align:left;padding:10px 16px;border-bottom:1px solid var(--line);background:#fafbfd;white-space:nowrap}
tbody td{padding:11px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#f8fafc}
.t-strong{font-weight:700}
.t-mono{font-family:var(--mono);font-size:12.5px}
.t-sub{color:var(--muted);font-size:12px}
.num{text-align:right;font-variant-numeric:tabular-nums}
.row-click{cursor:pointer}

/* ---------- Badges / chips ---------- */
.chip{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:20px;font-size:11.5px;font-weight:700;white-space:nowrap}
.chip .d{width:6px;height:6px;border-radius:50%}
.c-amber{background:var(--amber-soft);color:#8a5a06}
.c-blue{background:var(--blue-soft);color:#1c477e}
.c-green{background:var(--green-soft);color:#155c3a}
.c-red{background:var(--red-soft);color:#932218}
.c-gray{background:#eef1f5;color:#54627a}
.tag{display:inline-block;padding:2px 7px;border-radius:5px;font-size:11px;font-weight:600;background:#eef1f5;color:#54627a;margin:1px 2px 1px 0}
.tag.haz{background:var(--red-soft);color:#932218}
.tag.ok{background:var(--green-soft);color:#155c3a}

/* ---------- Pipeline / Kanban ---------- */
.kanban{display:flex;gap:14px;overflow-x:auto;padding-bottom:10px}
.kcol{flex:0 0 250px;background:#eef2f6;border-radius:12px;padding:10px;display:flex;flex-direction:column}
.kcol .kc-head{display:flex;align-items:center;gap:8px;padding:4px 6px 10px;font-weight:700;font-size:13px}
.kcol .kc-head .cnt{margin-left:auto;background:#fff;border:1px solid var(--line);border-radius:20px;font-size:11px;padding:1px 8px;color:var(--muted);font-weight:700}
.kcard{background:#fff;border:1px solid var(--line);border-radius:9px;padding:11px 12px;margin-bottom:9px;box-shadow:0 1px 2px rgba(15,32,51,.05);cursor:pointer;transition:.12s}
.kcard:hover{border-color:var(--brand);box-shadow:0 3px 10px rgba(14,124,134,.12)}
.kcard .kc-no{font-family:var(--mono);font-size:11px;color:var(--muted-2)}
.kcard .kc-client{font-weight:700;font-size:13.5px;margin:2px 0}
.kcard .kc-meta{font-size:11.5px;color:var(--muted);display:flex;justify-content:space-between;margin-top:6px}
.kcard .kc-val{font-weight:700;color:var(--ink)}
.kcard.overdue{border-left:3px solid var(--red)}
.kcol.empty-hint{opacity:.9}
.kc-empty{font-size:12px;color:var(--muted-2);text-align:center;padding:14px 6px}

/* ---------- Forms / Modal ---------- */
.overlay{position:fixed;inset:0;background:rgba(15,32,51,.45);display:none;align-items:flex-start;justify-content:center;z-index:100;padding:34px 16px;overflow:auto;backdrop-filter:blur(2px)}
.overlay.on{display:flex}
.modal{background:var(--surface);border-radius:14px;width:100%;max-width:720px;box-shadow:0 24px 60px rgba(15,32,51,.3);animation:pop .16s ease}
.modal.wide{max-width:920px}
@keyframes pop{from{transform:translateY(8px) scale(.99);opacity:0}to{transform:none;opacity:1}}
.modal .m-head{padding:16px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px}
.modal .m-head h3{margin:0;font-size:16px;font-weight:700}
.modal .m-head .x{margin-left:auto;border:0;background:none;font-size:22px;color:var(--muted);line-height:1;padding:2px 6px;border-radius:6px}
.modal .m-head .x:hover{background:#eef1f5;color:var(--ink)}
.modal .m-body{padding:20px 22px;max-height:70vh;overflow:auto}
.modal .m-foot{padding:14px 22px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end;background:#fafbfd;border-radius:0 0 14px 14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.field{margin-bottom:14px}
.field.full{grid-column:1/-1}
label.lbl{display:block;font-size:12px;font-weight:700;color:var(--ink-2);margin-bottom:5px}
label.lbl .req{color:var(--red)}
.field input,.field select,.field textarea{width:100%;padding:9px 11px;border:1px solid var(--line-2);border-radius:8px;background:#fff;color:var(--ink);transition:.12s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.field textarea{min-height:72px;resize:vertical}
.hint{font-size:11.5px;color:var(--muted-2);margin-top:4px}
.section-title{font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);font-weight:700;margin:20px 0 12px;padding-bottom:6px;border-bottom:1px solid var(--line)}
.section-title:first-child{margin-top:0}

/* line items editor */
.li-table{width:100%;border:1px solid var(--line);border-radius:8px;overflow:hidden;margin-bottom:8px}
.li-table th{padding:8px 10px;font-size:10.5px}
.li-table td{padding:6px 8px;border-bottom:1px solid var(--line)}
.li-table input,.li-table select{padding:6px 8px;border:1px solid var(--line-2);border-radius:6px}
.li-table .liDel{border:0;background:none;color:var(--red);font-size:16px;padding:2px 6px;border-radius:5px}
.li-table .liDel:hover{background:var(--red-soft)}

/* detail drawer */
.detail-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:20px}
.dg-block{margin-bottom:18px}
.dg-block h4{font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin:0 0 10px;font-weight:700}
.kv{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px dashed var(--line);font-size:13px}
.kv .k{color:var(--muted)}
.kv .v{font-weight:600;text-align:right}
.timeline{list-style:none;margin:0;padding:0}
.timeline li{position:relative;padding:0 0 14px 20px;border-left:2px solid var(--line);margin-left:5px}
.timeline li:last-child{border-color:transparent}
.timeline li::before{content:"";position:absolute;left:-6px;top:2px;width:10px;height:10px;border-radius:50%;background:var(--brand);border:2px solid #fff}
.timeline .tl-date{font-size:11px;color:var(--muted-2);font-family:var(--mono)}
.timeline .tl-note{font-size:13px;margin-top:1px}

/* stage stepper */
.stepper{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 14px}
.step{flex:1;min-width:70px;text-align:center;padding:7px 4px;border-radius:7px;font-size:11px;font-weight:700;background:#eef1f5;color:var(--muted-2);position:relative}
.step.done{background:var(--brand-soft);color:var(--brand-d)}
.step.current{background:var(--brand);color:#fff}
.step.lost{background:var(--red-soft);color:var(--red)}

.empty{text-align:center;padding:46px 20px;color:var(--muted)}
.empty .big{font-size:34px;margin-bottom:8px}
.empty h3{margin:0 0 4px;color:var(--ink)}
.searchbar{display:flex;align-items:center;gap:8px;border:1px solid var(--line-2);border-radius:8px;padding:6px 10px;background:#fff;min-width:220px}
.searchbar input{border:0;outline:none;flex:1;font-size:13px}
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.filters select{padding:7px 10px;border:1px solid var(--line-2);border-radius:8px;background:#fff}
.mini{font-size:11.5px;color:var(--muted)}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:11px 18px;border-radius:10px;font-size:13px;font-weight:600;box-shadow:0 10px 30px rgba(15,32,51,.3);z-index:200;opacity:0;pointer-events:none;transition:.2s}
.toast.on{opacity:1}
.doc-line{display:flex;align-items:center;gap:8px;padding:7px 0;border-bottom:1px dashed var(--line);font-size:13px}
.doc-line .fname{color:var(--muted);font-size:12px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:1000px){.detail-grid,.split{grid-template-columns:1fr}}
@media(max-width:820px){.side{display:none}.grid3,.grid2{grid-template-columns:1fr}.content{padding:16px}}

/* ---------- Auth / Login ---------- */
.auth-gate{position:fixed;inset:0;z-index:500;background:linear-gradient(140deg,#0f2033,#12414a);display:flex;align-items:center;justify-content:center;padding:20px}
.auth-card{background:#fff;border-radius:16px;box-shadow:0 30px 80px rgba(0,0,0,.45);width:100%;max-width:390px;padding:32px 30px}
.auth-card .brandrow{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.auth-card .mark{width:40px;height:40px;border-radius:9px;background:linear-gradient(135deg,var(--brand),#12a3ad);display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:17px}
.auth-card h2{margin:0;font-size:19px}
.auth-card .sub{color:var(--muted);font-size:12.5px;margin:2px 0 22px}
.auth-card label.lbl{display:block;font-size:12px;font-weight:700;color:var(--ink-2);margin-bottom:5px}
.auth-card .field{margin-bottom:15px}
.auth-card input,.auth-card select{width:100%;padding:11px 12px;border:1px solid var(--line-2);border-radius:9px;font-size:14px}
.auth-card input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.auth-card .btn{width:100%;justify-content:center;padding:12px;font-size:14px;margin-top:4px}
.auth-err{background:var(--red-soft);color:#932218;font-size:13px;padding:9px 12px;border-radius:8px;margin-bottom:14px;display:none}
.auth-note{font-size:11.5px;color:var(--muted-2);margin-top:16px;line-height:1.5;text-align:center}
.side .foot .who{color:#cdd8e6;font-weight:700}
.side .foot .fbtn{background:none;border:1px solid rgba(255,255,255,.18);color:#aab8ca;border-radius:6px;padding:4px 9px;font-size:11px;margin-top:8px;margin-right:6px}
.side .foot .fbtn:hover{background:rgba(255,255,255,.08);color:#fff}