:root{
  --navy:#1f3864; --blue:#2e5496; --green:#2e7d32; --red:#c62828; --amber:#b8860b;
  --teal:#0f6f6f; --purple:#5b2c6f; --bg:#f4f6fb; --card:#fff; --line:#e3e8f0;
  --text:#1f2937; --muted:#6b7280;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--text);font-size:14px}
a{color:var(--blue);text-decoration:none}
.layout{display:flex;min-height:100vh}
.sidebar{width:230px;background:var(--navy);color:#cdd6e8;padding:18px 0;position:sticky;top:0;height:100vh;flex-shrink:0}
.sidebar .brand{font-size:18px;font-weight:700;color:#fff;padding:6px 22px 18px}
.sidebar .brand small{display:block;font-size:11px;color:#8fa3c7;font-weight:400;margin-top:2px}
.sidebar a{display:block;color:#cdd6e8;padding:11px 22px;font-size:14px;border-left:3px solid transparent}
.sidebar a:hover{background:rgba(255,255,255,.06)}
.sidebar a.active{background:rgba(255,255,255,.12);border-left-color:#7aa2ff;color:#fff;font-weight:600}
.sidebar .sep{height:1px;background:rgba(255,255,255,.1);margin:12px 22px}
.main{flex:1;padding:26px 32px;max-width:1200px}
h1{font-size:22px;margin:0 0 4px} h2{font-size:16px;margin:26px 0 12px}
.sub{color:var(--muted);margin:0 0 18px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;box-shadow:0 1px 2px rgba(0,0,0,.03)}
.card .label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.card .value{font-size:24px;font-weight:700;margin-top:6px}
.green{color:var(--green)} .red{color:var(--red)} .blue{color:var(--blue)} .teal{color:var(--teal)} .amber{color:var(--amber)}
.panel{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin-bottom:20px}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line)}
th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
td.num,th.num{text-align:right}
tr:last-child td{border-bottom:none}
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;font-weight:600}
.b-green{background:#e2efda;color:var(--green)} .b-red{background:#fde3e3;color:var(--red)}
.b-amber{background:#fff3cd;color:var(--amber)} .b-grey{background:#eef0f4;color:var(--muted)}
.b-blue{background:#e3ecfb;color:var(--blue)}
input,select,textarea{font:inherit;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue)}
label{font-size:12px;color:var(--muted);display:block;margin-bottom:4px}
.row{display:grid;gap:12px;align-items:end}
.btn{display:inline-block;background:var(--blue);color:#fff;border:none;border-radius:8px;padding:9px 16px;font-weight:600;cursor:pointer;font-size:14px}
.btn:hover{filter:brightness(1.07)} .btn.green{background:var(--green)} .btn.teal{background:var(--teal)}
.btn.sm{padding:5px 10px;font-size:12px} .btn.ghost{background:#eef0f4;color:var(--text)}
.btn.danger{background:#fde3e3;color:var(--red)}
.bar{height:8px;border-radius:6px;background:#eef0f4;overflow:hidden;margin-top:5px}
.bar > span{display:block;height:100%;background:var(--green)}
.bar.over > span{background:var(--red)}
.muted{color:var(--muted)} .right{text-align:right} .nowrap{white-space:nowrap}
.flex{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.between{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh}
.login-box{background:#fff;border-radius:14px;padding:34px;width:340px;box-shadow:0 10px 30px rgba(0,0,0,.12)}
.err{background:#fde3e3;color:var(--red);padding:8px 12px;border-radius:8px;margin-bottom:12px;font-size:13px}
.actions{display:flex;gap:6px;flex-wrap:wrap}
.ok-msg{background:#e2efda;color:var(--green);padding:8px 12px;border-radius:8px;margin-bottom:12px;font-size:13px}
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:20px}

/* --- mobile top bar (hidden on desktop) --- */
.topbar{display:none;align-items:center;gap:14px;background:var(--navy);color:#fff;
  padding:0 16px;height:52px;position:fixed;top:0;left:0;right:0;z-index:60}
.topbar-brand{font-weight:700;font-size:16px}
.hamburger{background:transparent;border:none;color:#fff;font-size:22px;width:40px;height:40px;
  border-radius:8px;cursor:pointer;padding:0}
.overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:55}
.overlay.show{display:block}

/* --- phones / small tablets --- */
@media (max-width:820px){
  .topbar{display:flex}
  .sidebar{position:fixed;top:0;left:0;height:100vh;z-index:60;
    transform:translateX(-100%);transition:transform .22s ease;box-shadow:2px 0 16px rgba(0,0,0,.25)}
  .sidebar.open{transform:translateX(0)}
  .main{padding:68px 16px 28px}
  .row{grid-template-columns:1fr !important;gap:10px}
  .cols2{grid-template-columns:1fr !important}
  .panel{overflow-x:auto}
  .inv-grid{flex-wrap:wrap}
  h1{font-size:20px}
  .card .value{font-size:21px}
}