:root{
  --bg:#f4f5f7; --card:#fff; --ink:#18212f; --muted:#667085; --line:#e4e7ec;
  --side:#111c2d; --side-ink:#c7cfdc; --accent:#f2a90f; --accent-ink:#1b1300;
  --primary:#1f4fd1; --primary-dark:#183ea6;
  --red:#d92d20; --red-bg:#fde8e7; --amber:#b54708; --amber-bg:#fef0c7; --green:#067647; --green-bg:#dcfae6;
  --blue:#175cd3; --blue-bg:#e0eaff; --grey:#475467; --grey-bg:#eef0f3;
  --radius:10px; --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h2{font-size:17px;margin:0 0 12px}
h3{font-size:15px;margin:0 0 10px}
.muted{color:var(--muted)}
.small{font-size:12px}
.right{text-align:right}
.nowrap{white-space:nowrap}
.inline{display:inline}

/* layout */
.app{display:flex;min-height:100vh}
.sidebar{width:236px;background:var(--side);color:var(--side-ink);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;flex-shrink:0}
.brand{display:flex;align-items:center;gap:10px;padding:18px 18px 14px;color:#fff;font-weight:700;font-size:15px;line-height:1.2}
.brand-mark{background:var(--accent);color:var(--accent-ink);border-radius:8px;width:34px;height:34px;display:grid;place-items:center;flex-shrink:0}
.sidebar nav{flex:1;overflow:auto;padding:6px 10px}
.sidebar nav a{display:flex;align-items:center;gap:10px;color:var(--side-ink);padding:9px 10px;border-radius:8px;margin-bottom:2px}
.sidebar nav a:hover{background:rgba(255,255,255,.06);text-decoration:none;color:#fff}
.sidebar nav a.active{background:rgba(242,169,15,.16);color:#fff;box-shadow:inset 3px 0 0 var(--accent)}
.sidebar-foot{padding:14px 18px;border-top:1px solid rgba(255,255,255,.08);font-size:13px}
.sidebar-foot a{color:var(--side-ink)}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:12px;background:var(--card);border-bottom:1px solid var(--line);padding:12px 24px;position:sticky;top:0;z-index:5}
.topbar h1{font-size:18px;margin:0;flex:1}
.topbar-right{color:var(--muted);font-size:13px}
.menu-btn{display:none;background:none;border:0;cursor:pointer;color:var(--ink);padding:4px}
.content{padding:22px 24px;flex:1}
.foot{padding:12px 24px;color:var(--muted);font-size:12px}

/* cards & grid */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:18px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.card-head h2,.card-head h3{margin:0}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);display:block;color:inherit}
a.stat:hover{text-decoration:none;border-color:#c9cfd9}
.stat .k{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.stat .v{font-size:24px;font-weight:700;margin-top:4px;font-variant-numeric:tabular-nums}
.stat .s{font-size:12px;color:var(--muted);margin-top:2px}
.stat.red{border-left:4px solid var(--red)} .stat.amber{border-left:4px solid #f79009} .stat.green{border-left:4px solid #17b26a} .stat.blue{border-left:4px solid var(--blue)}

/* tables */
.table-wrap{overflow-x:auto;margin:0 -2px}
table.t{width:100%;border-collapse:collapse}
.t th,.t td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.t th{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.03em;background:#fafbfc;white-space:nowrap}
.t td.num,.t th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.t tr:hover td{background:#fafbfd}
.t tfoot td{font-weight:700;background:#fafbfc}
.t tr.row-red td:first-child{box-shadow:inset 3px 0 0 var(--red)}
.t tr.row-amber td:first-child{box-shadow:inset 3px 0 0 #f79009}
.t tr.row-green td:first-child{box-shadow:inset 3px 0 0 #17b26a}
.empty{padding:28px;text-align:center;color:var(--muted)}

/* pills */
.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}
.pill-red{background:var(--red-bg);color:var(--red)}
.pill-amber{background:var(--amber-bg);color:var(--amber)}
.pill-green{background:var(--green-bg);color:var(--green)}
.pill-blue{background:var(--blue-bg);color:var(--blue)}
.pill-grey{background:var(--grey-bg);color:var(--grey)}
.amt-red{color:var(--red);font-weight:600} .amt-green{color:var(--green);font-weight:600}

/* forms */
label{display:block;font-weight:600;font-size:13px;margin-bottom:4px}
.field{margin-bottom:14px}
.hint{font-size:12px;color:var(--muted);margin-top:3px;font-weight:400}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=datetime-local],input[type=tel],input[type=url],select,textarea{
  width:100%;padding:8px 10px;border:1px solid #d0d5dd;border-radius:8px;font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(31,79,209,.25);border-color:var(--primary)}
textarea{min-height:80px;resize:vertical}
input[readonly]{background:#f6f7f9}
.check{display:flex;align-items:center;gap:8px;font-weight:500}
.check input{width:auto}
fieldset{border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px 2px;margin:0 0 16px}
legend{font-weight:700;padding:0 6px;font-size:13px}
.form-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-end;margin-bottom:14px}
.filters .field{margin:0}
.filters input,.filters select{width:auto;min-width:140px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;border:1px solid #d0d5dd;background:#fff;color:var(--ink);font:inherit;font-weight:600;cursor:pointer;white-space:nowrap}
.btn:hover{background:#f6f7f9;text-decoration:none}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-accent{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn-accent:hover{background:#dd9a0b}
.btn-danger{color:var(--red);border-color:#f4b6b1}
.btn-danger:hover{background:var(--red-bg)}
.btn-sm{padding:4px 10px;font-size:12px}
.btn-group{display:flex;gap:6px;flex-wrap:wrap}

/* alerts */
.alert{padding:11px 14px;border-radius:8px;margin-bottom:14px;border:1px solid}
.alert-success{background:var(--green-bg);border-color:#a6f4c5;color:var(--green)}
.alert-error{background:var(--red-bg);border-color:#fecdca;color:#912018}
.alert-info{background:var(--blue-bg);border-color:#b2ccff;color:#1849a9}
.alert-warning{background:var(--amber-bg);border-color:#fedf89;color:var(--amber)}

/* detail lists */
dl.kv{display:grid;grid-template-columns:160px 1fr;gap:6px 12px;margin:0}
dl.kv dt{color:var(--muted)}
dl.kv dd{margin:0;font-weight:500}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;flex-wrap:wrap}
.tabs a{padding:8px 14px;color:var(--muted);font-weight:600;border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs a.active{color:var(--ink);border-color:var(--accent)}
.tabs a:hover{text-decoration:none;color:var(--ink)}
.pager{display:flex;gap:4px;margin-top:12px;flex-wrap:wrap}
.pager a,.pager span{padding:4px 10px;border:1px solid var(--line);border-radius:6px}
.pager .current{background:var(--primary);color:#fff;border-color:var(--primary)}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-bottom:10px}
.big-amount{font-size:28px;font-weight:700;font-variant-numeric:tabular-nums}
.progress{height:8px;background:var(--grey-bg);border-radius:99px;overflow:hidden}
.progress > span{display:block;height:100%;background:#17b26a}

/* login */
.auth-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(160deg,#111c2d 0%,#1d2f4c 100%);padding:20px}
.auth-card{background:#fff;border-radius:14px;padding:30px;width:100%;max-width:380px;box-shadow:0 20px 40px rgba(0,0,0,.25)}
.auth-card .brand{color:var(--ink);padding:0 0 18px}

/* report */
.report-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:12px}
.report-section{margin-bottom:22px}

@media (max-width:1100px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:860px){
  .sidebar{position:fixed;left:-250px;z-index:20;transition:left .2s}
  .sidebar.open{left:0;box-shadow:0 0 0 100vmax rgba(0,0,0,.35)}
  .menu-btn{display:block}
  .g2,.g3{grid-template-columns:1fr}
  .content{padding:16px}
  .topbar{padding:10px 16px}
  dl.kv{grid-template-columns:120px 1fr}
}
@media (max-width:520px){.g4{grid-template-columns:1fr}.topbar-right{display:none}}
@media print{
  .sidebar,.topbar,.foot,.no-print,.filters,.btn{display:none!important}
  .content{padding:0}.card{box-shadow:none;border:0;padding:0}
  body{background:#fff}
}