:root{
  --bg:#f4f5f7;--card:#fff;--ink:#1d2330;--muted:#6b7280;--line:#e3e6ec;--brand:#0f766e;--brand-d:#0b5a54;
  --green:#15803d;--green-bg:#dcfce7;--amber:#b45309;--amber-bg:#fef3c7;--red:#b91c1c;--red-bg:#fee2e2;--blue:#1d4ed8;
}
*{box-sizing:border-box}
html{font-size:15px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.45}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
h1{font-size:1.5rem;margin:0}h2{font-size:1.1rem;margin:0 0 .6rem}h3{font-size:1rem;margin:0 0 .4rem}
.muted{color:var(--muted)}.small-t{font-size:.85rem}
.side{position:fixed;inset:0 auto 0 0;width:230px;background:#10231f;color:#cfe3df;display:flex;flex-direction:column;overflow-y:auto;z-index:20}
.brand{padding:18px 18px 10px;font-weight:700;color:#fff;font-size:1.05rem}.brand small{display:block;font-weight:400;color:#86a8a1;font-size:.75rem}
.side nav{flex:1;padding:4px 10px}
.grp{font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:#6f948c;margin:14px 8px 4px}
.side nav a{display:flex;gap:10px;align-items:center;padding:8px 10px;border-radius:8px;color:#cfe3df}
.side nav a i{font-style:normal;width:18px;text-align:center;opacity:.8}
.side nav a:hover{background:#18352f;text-decoration:none}.side nav a.on{background:var(--brand);color:#fff}
.logout{padding:12px}.logout .btn{width:100%}
.topbar{display:none}
.main{margin-left:230px;padding:24px 28px 60px;max-width:1280px}
.page-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:16px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin-bottom:16px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.stat .l{color:var(--muted);font-size:.8rem}.stat .v{font-size:1.35rem;font-weight:700;margin-top:2px}
.stat .s{font-size:.78rem;color:var(--muted)}
.stat.warn .v{color:var(--red)}.stat.good .v{color:var(--green)}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(380px,1fr));gap:16px}
.tbl{width:100%;border-collapse:collapse;font-size:.92rem;background:var(--card)}
.tbl th{background:#f8f9fb;text-align:left;font-weight:600;color:#444;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em}
.tbl th,.tbl td{padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:hover td{background:#fafbfc}
.tbl .num,.num{text-align:right;white-space:nowrap}
.tbl tfoot td{font-weight:700;background:#f8f9fb}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--card);margin-bottom:16px}
.tbl-wrap .tbl{border:0}
.btn{display:inline-block;border:1px solid var(--brand);background:var(--brand);color:#fff;padding:8px 14px;border-radius:8px;font-size:.9rem;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--brand-d);text-decoration:none}
.btn.ghost{background:#fff;color:var(--brand)}.btn.ghost:hover{background:#f0fdfa}
.btn.danger{background:#fff;color:var(--red);border-color:#f1b5b5}.btn.danger:hover{background:var(--red-bg)}
.btn.small{padding:4px 10px;font-size:.82rem}
.badge{display:inline-block;padding:2px 9px;border-radius:99px;font-size:.75rem;font-weight:600}
.badge.green{background:var(--green-bg);color:var(--green)}.badge.amber{background:var(--amber-bg);color:var(--amber)}
.badge.red{background:var(--red-bg);color:var(--red)}.badge.gray{background:#eceef2;color:#555}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:12px;font-size:.92rem}
.flash.ok{background:var(--green-bg);color:var(--green)}.flash.err{background:var(--red-bg);color:var(--red)}.flash.warn{background:var(--amber-bg);color:var(--amber)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px 16px}
.fld{display:flex;flex-direction:column;gap:4px}.fld>span{font-size:.8rem;color:var(--muted);font-weight:600}
.fld.wide{grid-column:1/-1}
input,select,textarea{font:inherit;padding:8px 10px;border:1px solid #cdd2db;border-radius:8px;background:#fff;color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid #99e0d8;border-color:var(--brand)}
.tbl.edit input,.tbl.edit select{padding:6px 8px}
.tbl.edit td:nth-child(2) input,.tbl.edit td:nth-child(3) input,.tbl.edit td:nth-child(4) input{min-width:80px}
.sz input{width:72px;text-align:right}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px;align-items:end}
.filters .fld{min-width:140px}.filters input,.filters select{padding:6px 8px}
.totals{display:flex;gap:24px;justify-content:flex-end;flex-wrap:wrap;padding:10px 4px;font-size:.95rem}
.totals b{font-size:1.1rem}
.kv{display:grid;grid-template-columns:150px 1fr;gap:4px 12px;font-size:.93rem}.kv dt{color:var(--muted)}.kv dd{margin:0}
.bar{height:8px;background:#d7efec;border-radius:4px;min-width:2px}
.inline{display:inline}
.auth{display:flex;min-height:100vh;align-items:center;justify-content:center;background:#10231f}
.auth-card{background:#fff;border-radius:14px;padding:28px;width:min(400px,92vw)}
.auth-card h1{margin-bottom:14px;font-size:1.3rem}.auth-card .fld{margin-bottom:12px}.auth-card .btn{width:100%}
.hint{font-size:.82rem;color:var(--muted);margin:4px 0 0}
@media (max-width:900px){
  .side{transform:translateX(-100%);transition:transform .2s}body.nav-open .side{transform:none}
  .topbar{display:flex;align-items:center;gap:12px;position:sticky;top:0;background:#10231f;color:#fff;padding:10px 14px;z-index:15}
  .burger{background:none;border:0;color:#fff;font-size:1.3rem}
  .main{margin-left:0;padding:16px 12px 60px}.cols{grid-template-columns:1fr}
}
@media print{
  .side,.topbar,.actions,.filters,.no-print,.flash{display:none!important}
  .main{margin:0;padding:0}body{background:#fff}.card,.tbl-wrap{border:0}
}
/* invoice */
.inv{background:#fff;max-width:820px;margin:20px auto;padding:28px;border:1px solid var(--line);font-size:.9rem}
.inv h1{font-size:1.4rem}.inv .row{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:14px}
.inv .tbl th,.inv .tbl td{border:1px solid #ccc}
.inv-bar{max-width:820px;margin:16px auto 0;display:flex;gap:8px}
@media print{.inv{border:0;margin:0;padding:0;max-width:none}.inv-bar{display:none}}