:root{
  --bg:#f4f6f9; --card:#ffffff; --ink:#1f2937; --muted:#7a869a; --line:#e7ebf0;
  --nav:#0f1b2d; --nav2:#13263d; --nav-ink:#c7d2e0; --nav-active:#1f9d6b;
  --green:#1f9d6b; --blue:#2563eb; --amber:#d9a441; --red:#e05b5b; --slate:#64748b;
  --radius:14px; --shadow:0 1px 3px rgba(16,24,40,.06),0 1px 2px rgba(16,24,40,.04);
  --font:'Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:var(--font);background:var(--bg);color:var(--ink);font-size:14px;line-height:1.45}
a{color:inherit;text-decoration:none}
.muted{color:var(--muted)}
.small{font-size:12px}
.r{text-align:right}
.link{color:var(--blue);font-size:12.5px;font-weight:600}
.link:hover{text-decoration:underline}

/* layout */
.layout{display:flex;min-height:100vh}
.sidebar{width:230px;background:linear-gradient(180deg,var(--nav),var(--nav2));color:var(--nav-ink);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px;padding:20px 18px;font-weight:700;color:#fff;letter-spacing:.3px;font-size:14px}
.logo-badge{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;background:var(--amber);color:#1a1a1a;font-weight:800}
.nav{display:flex;flex-direction:column;padding:8px}
.nav-item{padding:11px 14px;border-radius:10px;color:var(--nav-ink);font-weight:500;margin:2px 0}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.is-active{background:var(--nav-active);color:#fff}
.sidebar-foot{margin-top:auto;padding:16px 18px;border-top:1px solid rgba(255,255,255,.07);font-size:12px}
.sys-status{display:flex;align-items:center;gap:8px;color:#cfe8dc;margin-bottom:4px}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block}
.dot-green{background:#36d399;box-shadow:0 0 0 3px rgba(54,211,153,.2)}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:20px 26px 10px}
.topbar h1{margin:0;font-size:22px;font-weight:700}
.topbar-right{display:flex;align-items:center;gap:14px}

/* filter bar */
.filterbar{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px;padding:10px 26px 16px;border-bottom:1px solid var(--line)}
.fb-field{display:flex;flex-direction:column;gap:4px}
.fb-field label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}
.fb-field input,.fb-field select{padding:8px 10px;border:1px solid var(--line);border-radius:9px;background:#fff;font:inherit;min-width:150px}
.fb-actions{display:flex;gap:8px}
.fb-presets{display:flex;gap:6px;margin-left:auto;align-items:center}
.chip{padding:6px 11px;border:1px solid var(--line);border-radius:999px;font-size:12px;color:var(--muted);background:#fff}
.chip:hover{border-color:var(--green);color:var(--green)}

.content{padding:20px 26px 34px}

/* buttons */
.btn-primary{background:var(--nav);color:#fff;border:none;padding:9px 16px;border-radius:9px;font:inherit;font-weight:600;cursor:pointer}
.btn-primary:hover{background:#17304f}
.btn-ghost{background:#fff;border:1px solid var(--line);padding:8px 14px;border-radius:9px;font:inherit;cursor:pointer;color:var(--ink)}
.btn-ghost:hover{border-color:#cbd5e1}
.btn-block{width:100%;margin-top:8px}

/* KPI */
.kpi-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:16px}
.kpi-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);display:block;transition:transform .08s,box-shadow .12s}
a.kpi-card:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(16,24,40,.08);border-color:#dfe6ee}
.kpi-head{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.kpi-ic{width:30px;height:30px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;background:#eef2f7;color:var(--slate)}
.ic-money{background:#fdf1dd;color:#b9821f}
.ic-car{background:#e7effe}
.ic-in{background:#e6f6ef;color:var(--green)}
.ic-ratio{background:#f1ecfe;color:#7c3aed}
.ic-alert{background:#fdeaea;color:var(--red)}
.kpi-label{font-size:12.5px;color:var(--muted);font-weight:600}
.kpi-val{font-size:26px;font-weight:800;letter-spacing:-.5px;line-height:1.1}
.kpi-sub{font-size:11.5px;color:var(--muted);margin-top:3px}
.kpi-card canvas{margin-top:8px;max-height:40px}

/* panels & grids */
.grid-2{display:grid;grid-template-columns:1.4fr 1fr;gap:14px;margin-bottom:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:16px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);margin-bottom:16px}
.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.panel-head h3{margin:0;font-size:15px;font-weight:700}
.chart-wrap{position:relative;height:260px}
.chart-donut{height:240px}

/* table */
.table-wrap{overflow-x:auto}
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th,.tbl td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl th{font-size:11px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);font-weight:600}
.tbl tbody tr:hover{background:#fafbfc}
.tbl td.r,.tbl th.r{text-align:right}
.badge{padding:3px 9px;border-radius:999px;font-size:11px;font-weight:600}
.b-green{background:#e6f6ef;color:#157a52}
.b-amber{background:#fdf1dd;color:#9a6b15}
.b-slate{background:#eef2f7;color:#53617a}
.b-red{background:#fdeaea;color:#b23b3b}

.pager{display:flex;align-items:center;gap:12px;margin-top:14px}

/* alerts */
.alert-error{background:#fdeaea;color:#b23b3b;padding:10px 12px;border-radius:9px;margin-bottom:12px;font-size:13px}

/* login */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#0f1b2d,#17304f)}
.login-card{background:#fff;border-radius:16px;padding:30px 28px;width:340px;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.login-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800}
.login-sub{color:var(--muted);margin:4px 0 18px;font-size:13px}
.login-card label{display:block;font-size:12px;color:var(--muted);margin:10px 0 4px;font-weight:600}
.login-card input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font:inherit}

/* responsive */
@media(max-width:1100px){.kpi-grid{grid-template-columns:repeat(3,1fr)}.grid-3{grid-template-columns:1fr 1fr}}
@media(max-width:860px){.sidebar{display:none}.kpi-grid{grid-template-columns:1fr 1fr}.grid-2,.grid-3{grid-template-columns:1fr}.filterbar,.topbar,.content{padding-left:16px;padding-right:16px}.fb-presets{margin-left:0;width:100%}}