:root{
  --bg:#f6f6f6;
  --panel:#ffffff;
  --muted:#9aa0a6;
  --accent:#e9eef0;
  --primary:#1f6aa5;
  --success:#16a34a;
  --card-radius:12px;
  --shadow:0 8px 20px rgba(20,20,20,0.06);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color-scheme: light;
}

/* Reset */
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:#111827;font-size:15px;line-height:1.4}

/* Layout */
.app{display:grid;grid-template-columns:260px 1fr;gap:32px;min-height:100vh}

/* Sidebar (same style as other pages) */
.sidebar{background:#f3f6f6;padding:28px 18px;display:flex;flex-direction:column;justify-content:space-between;border-right:1px solid rgba(0,0,0,0.03)}
.brand{font-weight:700;color:var(--primary);font-size:22px;margin-bottom:26px}
.nav{display:flex;flex-direction:column;gap:10px}
.nav a{display:block;padding:12px 14px;border-radius:10px;color:#374151;text-decoration:none;font-weight:500}
.nav a.active{background:var(--accent);color:#0f172a;font-weight:600}
.logout{color:#e04b4b;font-weight:600;text-decoration:none;padding:10px 12px}

/* Main */
.main{padding:28px 36px}

/* Header */
.page-header{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:18px}
.page-title{font-size:36px;margin:0;font-weight:800}
.page-sub{margin:4px 0 0;color:var(--muted);font-weight:500}

/* Export button */
.header-actions .btn-primary{
  background:var(--primary);color:#fff;padding:10px 16px;border-radius:8px;border:0;font-weight:700;cursor:pointer;
  box-shadow: 0 6px 14px rgba(31,106,165,0.12);
}

/* Controls grid */
.controls-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.control-card{padding:18px;border-radius:var(--card-radius);background:var(--panel);box-shadow:var(--shadow)}
.control-title{margin:0 0 10px 0;font-size:18px;font-weight:800;color:#111827}
.full-select{width:100%;padding:12px 14px;border-radius:8px;border:1px solid rgba(0,0,0,0.06);font-size:15px;outline:none;background:#fff}
.date-wrap .date-input{width:100%;padding:12px 14px;border-radius:8px;border:1px solid rgba(0,0,0,0.06);font-size:15px;background:#fff;outline:none}

/* KPI cards */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:18px 0}
.kpi-card{display:flex;justify-content:space-between;align-items:center;padding:20px;border-radius:12px;background:var(--panel);box-shadow:var(--shadow)}
.kpi-left{display:flex;flex-direction:column;gap:6px}
.kpi-label{color:var(--muted);font-weight:600}
.kpi-value{font-size:28px;font-weight:800}
.kpi-change{color:var(--success);font-weight:700;font-size:13px}
.kpi-icon{width:56px;height:56px;border-radius:12px;background:#fff7ea;display:grid;place-items:center;font-size:22px}

/* Analytics section */
.analytics{margin-top:18px;padding:18px;border-radius:var(--card-radius);background:var(--panel);box-shadow:var(--shadow)}
.analytics-title{margin:0;font-size:22px;font-weight:800}
.analytics-sub{margin:6px 0 12px;color:var(--muted)}
.analytics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:12px}

/* small KPI cards inside analytics */
.small-kpi{padding:16px;border-radius:10px;background:linear-gradient(180deg,#fff,#fbfbfb);border:1px solid rgba(0,0,0,0.04)}
.small-label{color:var(--muted);font-weight:700;margin-bottom:8px}
.small-value{font-size:24px;font-weight:800;margin-bottom:8px}
.small-change{color:var(--success);font-weight:700;font-size:13px}

/* Generic card class to keep consistent */
.card{background:var(--panel);border-radius:var(--card-radius);box-shadow:var(--shadow)}

/* Responsive */
@media (max-width:1100px){
  .kpis{grid-template-columns:repeat(2,1fr)}
  .analytics-grid{grid-template-columns:repeat(2,1fr)}
  .controls-grid{grid-template-columns:1fr}
}

@media (max-width:700px){
  .app{grid-template-columns:1fr}
  .page-title{font-size:28px}
  .kpis{grid-template-columns:1fr}
  .analytics-grid{grid-template-columns:1fr}
  .controls-grid{grid-template-columns:1fr}
}