:root{
  --green:#0b3d27; --green-2:#116b45; --accent:#16a34a; --accent-2:#22c55e;
  --bg:#f4f7f5; --card:#ffffff; --line:#e3e9e5; --ink:#1f2a24; --muted:#6b7c73;
  --amber:#b45309; --red:#b91c1c; --blue:#1d4ed8; --purple:#6d28d9;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px;line-height:1.6}
a{color:inherit;text-decoration:none}
.inline{display:inline}

/* layout */
.layout{display:flex;min-height:100vh}
.sidebar{width:230px;background:linear-gradient(180deg,var(--green),#082e1d);color:#d9ede2;
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px;padding:20px 18px;border-bottom:1px solid rgba(255,255,255,.08)}
.logo{width:38px;height:38px;border-radius:10px;background:var(--accent);color:#fff;display:flex;
  align-items:center;justify-content:center;font-weight:700;font-size:18px}
.brand-txt b{display:block;color:#fff;font-size:15px}
.brand-txt span{font-size:11px;color:#9fd0b7}
.nav{display:flex;flex-direction:column;padding:12px 10px;gap:2px;flex:1}
.nav a{padding:10px 14px;border-radius:8px;color:#c6e2d4;font-size:14px}
.nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.nav a.active{background:var(--accent);color:#fff;font-weight:600}
.side-foot{padding:14px 18px;font-size:11px;color:#7fb69c;border-top:1px solid rgba(255,255,255,.08)}

.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:60px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;
  justify-content:space-between;padding:0 22px;position:sticky;top:0;z-index:5}
.page-title{font-size:17px;font-weight:600}
.top-actions{display:flex;align-items:center;gap:10px}
.user{color:var(--muted);font-size:13px}
.content{padding:22px;flex:1}

/* cards */
.grid{display:grid;gap:16px}
.kpis{grid-template-columns:repeat(4,1fr)}
.cols-2{grid-template-columns:1.4fr 1fr}
.cols-2b{grid-template-columns:1fr 1fr}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;
  box-shadow:0 1px 2px rgba(16,40,28,.03)}
.card h3{margin:0 0 12px;font-size:15px;font-weight:600}
.kpi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.kpi .label{color:var(--muted);font-size:12.5px}
.kpi .val{font-size:24px;font-weight:700;margin-top:6px;letter-spacing:.5px}
.kpi .val small{font-size:13px;font-weight:500;color:var(--muted)}
.kpi .sub{color:var(--muted);font-size:12px;margin-top:4px}
.kpi.accent{border-left:4px solid var(--accent)}
.kpi.warn{border-left:4px solid var(--amber)}
.kpi.info{border-left:4px solid var(--blue)}

/* tables */
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
th{color:var(--muted);font-weight:600;background:#fafcfb;font-size:12.5px}
tbody tr:hover{background:#f7fbf9}
.num{text-align:right;font-variant-numeric:tabular-nums}
.tbl-wrap{overflow-x:auto}

/* badges */
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;line-height:1.7}
.b-green{background:#dcfce7;color:#166534}
.b-amber{background:#fef3c7;color:#92400e}
.b-red{background:#fee2e2;color:#991b1b}
.b-blue{background:#dbeafe;color:#1e40af}
.b-gray{background:#e7ecea;color:#495952}
.b-purple{background:#ede9fe;color:#5b21b6}

/* buttons */
.btn{display:inline-block;border:1px solid var(--line);background:#fff;color:var(--ink);
  padding:7px 14px;border-radius:8px;font-size:13px;cursor:pointer;transition:.15s}
.btn:hover{border-color:#c9d6cf;background:#f6faf8}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.btn-primary:hover{background:var(--accent-2);border-color:var(--accent-2)}
.btn-ghost{background:transparent}
.btn-sm{padding:4px 10px;font-size:12px;border-radius:6px}
.btn-block{width:100%;padding:10px;margin-top:14px}
.btn-danger{color:var(--red);border-color:#f3c6c6}

/* forms */
label{display:block;font-size:12.5px;color:var(--muted);margin:10px 0 4px}
input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;
  font-size:13px;background:#fff;color:var(--ink);font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}
textarea{resize:vertical;line-height:1.5}
.form-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;align-items:end}
.pgroup{border-top:1px dashed var(--line);margin-top:10px}
.nav-dot{display:inline-block;min-width:18px;padding:0 6px;margin-left:6px;border-radius:999px;
  background:#dc2626;color:#fff;font-size:11px;line-height:18px;text-align:center}
.alert{background:#fee2e2;color:#991b1b;padding:9px 12px;border-radius:8px;font-size:13px;margin:8px 0}
.note{background:#f0fdf4;border:1px solid #bbf7d0;color:#166534;padding:9px 12px;border-radius:8px;font-size:13px}
.note.warn{background:#fffbeb;border-color:#fde68a;color:#92400e}

/* login */
.login-body{background:linear-gradient(135deg,#0b3d27,#116b45 60%,#16a34a)}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{width:380px;background:#fff;border-radius:16px;padding:34px 32px;
  box-shadow:0 20px 50px rgba(0,0,0,.25);text-align:center}
.login-logo{width:56px;height:56px;border-radius:14px;background:var(--accent);color:#fff;font-size:26px;
  font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.login-card h1{font-size:20px;margin:0}
.login-card .sub{color:var(--muted);font-size:12.5px;margin:6px 0 6px}
.login-card form{text-align:left}
.demo-hint{margin-top:16px;font-size:11.5px;color:#94a3a0;line-height:1.7}
.chart{width:100%;height:300px}
.muted{color:var(--muted)}
.sec-title{font-size:15px;font-weight:600;margin:22px 0 10px}
.flex{display:flex;gap:12px;align-items:center}
.spacer{flex:1}
@media(max-width:960px){
  .kpis{grid-template-columns:repeat(2,1fr)}
  .cols-2,.cols-2b{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr 1fr}
  .sidebar{width:64px}
  .brand-txt,.side-foot{display:none}
}