:root{
  --bg:#f4f6fb; --card:#fff; --ink:#1c2340; --muted:#6b7390; --line:#e5e8f2;
  --primary:#1e2a5a; --primary-2:#3450b5; --accent:#f5a623;
  --green-bg:#e8f5e9; --green:#1b7f3b; --amber-bg:#fff8e1; --amber:#a06a00;
  --red-bg:#fdecea; --red:#c0392b; --blue-bg:#e8f0fe; --blue:#2456c4;
  --radius:12px; --shadow:0 1px 3px rgba(20,26,60,.08),0 8px 24px rgba(20,26,60,.06);
}
*{box-sizing:border-box} html{-webkit-text-size-adjust:100%}
body{margin:0;font:14px/1.5 Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--primary-2);text-decoration:none} a:hover{text-decoration:underline}
h1{font-size:20px;margin:0} h2{font-size:16px;margin:0 0 12px} h3{font-size:14px;margin:0 0 8px}
.muted{color:var(--muted)} .small{font-size:12px} .right{text-align:right} .center{text-align:center}
.nowrap{white-space:nowrap}

/* ---- shell ---- */
.app{display:flex;min-height:100vh}
.sidebar{width:236px;background:var(--primary);color:#dfe5ff;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;flex-shrink:0}
.brand{display:flex;gap:10px;align-items:center;padding:16px 14px;border-bottom:1px solid rgba(255,255,255,.12)}
.brand img{width:44px;height:44px;object-fit:contain;background:#fff;border-radius:10px;padding:2px}
.brand strong{display:block;font-size:15px;color:#fff}.brand span{font-size:11px;opacity:.75}
.sidebar nav{flex:1;overflow-y:auto;padding:10px 8px}
.sidebar nav a{display:flex;align-items:center;gap:10px;color:#cdd6ff;padding:9px 10px;border-radius:8px;margin:2px 0;font-weight:500}
.sidebar nav a:hover{background:rgba(255,255,255,.09);text-decoration:none}
.sidebar nav a.active{background:rgba(255,255,255,.16);color:#fff}
.sidebar .ic{width:20px;text-align:center}
.pill{margin-left:auto;font-size:11px;border-radius:99px;padding:1px 7px;color:#fff}
.pill.red{background:#e05545}.pill.amber{background:#e5a413;color:#3d2c00}
.side-foot{padding:12px 14px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;align-items:center;gap:8px}
.uinfo b{display:block;font-size:13px;color:#fff}.uinfo span{font-size:11px;opacity:.7;text-transform:capitalize}
.logout{color:#ffd7d2;font-size:12px}
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;gap:12px;background:var(--card);padding:12px 20px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;font-size:16px;padding:4px 10px;cursor:pointer}
.topbar-right{margin-left:auto;color:var(--muted);font-size:13px}
.content{padding:20px;max-width:1500px;width:100%}
.foot{padding:14px 20px;color:var(--muted);font-size:12px}

/* ---- components ---- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:18px}
.grid{display:grid;gap:14px}
.cards-6{grid-template-columns:repeat(6,1fr)} .cards-4{grid-template-columns:repeat(4,1fr)}
.cards-3{grid-template-columns:repeat(3,1fr)} .cards-2{grid-template-columns:repeat(2,1fr)}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.kpi .v{font-size:22px;font-weight:700} .kpi .l{font-size:12px;color:var(--muted)}
.kpi.red .v{color:var(--red)} .kpi.amber .v{color:var(--amber)} .kpi.blue .v{color:var(--blue)} .kpi.green .v{color:var(--green)}
.flash{margin:14px 20px 0;padding:10px 14px;border-radius:10px;font-weight:500}
.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)}

table.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th{font-size:11px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);text-align:left;padding:8px;border-bottom:2px solid var(--line);cursor:pointer;user-select:none}
.tbl td{padding:8px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:hover td{background:#fafbff}
tr.row-green td{background:var(--green-bg)} tr.row-green:hover td{background:#ddefdf}
tr.row-amber td{background:var(--amber-bg)} tr.row-amber:hover td{background:#f7edcb}
tr.row-red td{background:var(--red-bg)} tr.row-blue td{background:var(--blue-bg)}
.tbl-wrap{overflow-x:auto}

.badge{display:inline-block;padding:2px 9px;border-radius:99px;font-size:11.5px;font-weight:600;white-space:nowrap}
.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.blue{background:var(--blue-bg);color:var(--blue)}
.badge.gray{background:#eef0f6;color:#5b627c} .badge.purple{background:#f1e8fd;color:#6d3bbf}

.btn{display:inline-block;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:9px;padding:7px 14px;font-size:13px;font-weight:600;cursor:pointer}
.btn:hover{border-color:#c9cfe4;text-decoration:none}
.btn.primary{background:var(--primary-2);border-color:var(--primary-2);color:#fff}
.btn.primary:hover{background:#2a45a0}
.btn.danger{background:#fff;border-color:#eec4be;color:var(--red)}
.btn.small{padding:4px 10px;font-size:12px}
.btn.block{width:100%}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.toolbar form{display:flex;gap:8px;flex-wrap:wrap;align-items:center}

label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:10px}
input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff;color:var(--ink);margin-top:4px}
input:focus,select:focus,textarea:focus{outline:2px solid #bcd0ff;border-color:var(--primary-2)}
input[type=checkbox]{width:auto;margin-right:6px;vertical-align:middle}
.inline{display:inline-block;width:auto} .w-s{max-width:130px}.w-m{max-width:220px}.w-l{max-width:340px}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
textarea{min-height:80px}
.thumb{width:42px;height:42px;object-fit:contain;border:1px solid var(--line);border-radius:8px;background:#fff}
.prod-cell{display:flex;gap:10px;align-items:center}
.hint{font-size:11.5px;color:var(--muted)}
.sep{border:0;border-top:1px solid var(--line);margin:16px 0}
details.box{border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin-bottom:12px;background:#fff}
details.box summary{cursor:pointer;font-weight:600}
.list-plain{list-style:none;margin:0;padding:0}
.list-plain li{padding:8px 0;border-bottom:1px solid var(--line);display:flex;gap:10px;align-items:center}
.list-plain li:last-child{border-bottom:0}
.task-done{text-decoration:line-through;color:var(--muted)}
.progress{height:7px;background:#edf0f8;border-radius:99px;overflow:hidden}
.progress i{display:block;height:100%;background:var(--green)}

/* login */
.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:radial-gradient(1000px 500px at 20% 0%,#243468,var(--primary))}
.login-box{background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.35);padding:34px;width:100%;max-width:380px;text-align:center}
.login-box img{width:88px;margin-bottom:6px}
.login-box h1{font-size:22px}
.login-box form{text-align:left;margin-top:14px}
.login-box .flash{margin:12px 0}

/* responsive */
@media(max-width:1200px){.cards-6{grid-template-columns:repeat(3,1fr)}.cards-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:920px){
  .sidebar{position:fixed;left:-260px;transition:left .2s;z-index:50}
  .sidebar.open{left:0;box-shadow:0 0 0 100vmax rgba(0,0,0,.35)}
  .burger{display:block}
  .content{padding:12px}
  .cards-3,.cards-2{grid-template-columns:1fr}
}
@media(max-width:640px){
  .cards-6,.cards-4{grid-template-columns:repeat(2,1fr)}
  .tbl.stack thead{display:none}
  .tbl.stack tr{display:block;border:1px solid var(--line);border-radius:10px;margin-bottom:10px;padding:6px 10px;background:#fff}
  .tbl.stack td{display:flex;justify-content:space-between;gap:10px;border-bottom:1px dashed var(--line)}
  .tbl.stack td::before{content:attr(data-l);font-weight:600;color:var(--muted);font-size:11px;text-transform:uppercase}
  tr.row-green,tr.row-amber{border-left:5px solid}
  tr.row-green{border-left-color:var(--green)} tr.row-amber{border-left-color:var(--amber)}
}
@media print{.sidebar,.topbar,.foot,.toolbar,.btn{display:none!important}.content{padding:0}}