:root{
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --primary:#2563EB;
  --sidebar:#0F2A44;
  --text:#0F172A;
  --muted:#6B7280;
  --border:#E5E7EB;
  --success:#22C55E;
  --danger:#EF4444;
}

*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:var(--bg)}
a{text-decoration:none;color:inherit}

.app{display:flex;min-height:100vh}
.sidebar{width:260px;background:var(--sidebar);color:#fff;padding:18px 16px;position:sticky;top:0;height:100vh}
.brand{padding:8px 8px 18px}
.brand-title{font-weight:800;letter-spacing:0.5px;font-size:22px}
.brand-sub{color:#BBD1E8;font-size:12px;margin-top:4px}

.nav{margin-top:8px}
.nav-item{display:block;padding:10px 12px;border-radius:10px;color:#BBD1E8;margin:6px 6px}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item.active{background:rgba(37,99,235,.25);color:#fff}
.nav-item.disabled{opacity:.55;cursor:not-allowed}
.nav-divider{height:1px;background:rgba(255,255,255,.12);margin:12px 8px}
.nav-section{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#BBD1E8;margin:10px 14px}

.main{flex:1;display:flex;flex-direction:column;min-width:0;overflow-x:hidden;}
.topbar{height:64px;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid var(--border)}
.page-title{margin:0;font-size:18px;font-weight:700}
.topbar-right{display:flex;gap:14px;align-items:center}
.hello{color:var(--muted);font-size:14px}

.content{
  padding:20px;
  max-width: 1200px;   /* adjust: 1100–1400 sweet spot */
  margin: 0 auto;
  width: 100%;
}

.card{background:var(--card);border-radius:14px;box-shadow:0 6px 18px rgba(15,23,42,.06);padding:18px;margin-bottom:16px}
.card-title{font-weight:700;margin-bottom:8px}
.muted{color:var(--muted)}

.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.grid-2{display:grid;grid-template-columns:2fr 1fr;gap:14px}
@media (max-width:1100px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr}
}
@media (max-width:650px){
  .sidebar{display:none}
  .grid-4{grid-template-columns:1fr}
}

.card-kpi{display:flex;flex-direction:column;gap:6px}
.kpi-num{font-size:26px;font-weight:800}
.kpi-label{color:var(--muted);font-size:13px}

.pill{display:inline-block;padding:6px 10px;border-radius:999px;font-size:12px}
.pill-success{background:rgba(34,197,94,.12);color:var(--success);font-weight:700}
.pill-muted{background:#F1F5F9;color:var(--muted);font-weight:700}

/* Auth */
.auth-bg{display:flex;align-items:center;justify-content:center;min-height:100vh}
.auth-card{width:460px;background:#fff;border-radius:16px;box-shadow:0 10px 30px rgba(15,23,42,.10);padding:26px}
.auth-brand{font-weight:800;color:var(--sidebar);letter-spacing:.02em}
.auth-title{margin:14px 0 6px;font-size:26px}
.auth-sub{color:var(--muted);margin-bottom:18px}
.auth-form label{display:block;font-size:12px;color:var(--muted);margin:10px 0 6px}
.auth-form input{width:100%;padding:12px 12px;border:1px solid var(--border);border-radius:10px;font-size:14px;outline:none}
.auth-form input:focus{border-color:rgba(37,99,235,.55);box-shadow:0 0 0 4px rgba(37,99,235,.10)}
.auth-foot{margin-top:14px;font-size:12px;color:var(--muted)}

.btn{display:inline-block;border-radius:10px;padding:10px 14px;font-weight:700;font-size:14px;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{filter:brightness(.96)}
.btn-outline{background:#fff;border-color:var(--border);color:var(--text)}
.btn-outline:hover{background:#F8FAFC}
.btn-block{width:100%}

.alert{padding:10px 12px;border-radius:10px;margin:10px 0}
.alert-danger{background:rgba(239,68,68,.10);color:var(--danger);font-weight:700;border:1px solid rgba(239,68,68,.20)}
/* Prevent ultra-wide stretching on big monitors */
.sk-page{
  width: 100%;
  max-width: 1200px;   /* change to 1200–1600 depending on your taste */
  margin: 0 auto;
  padding: 0 16px;
}

/* Optional: keep inputs from becoming airport runways */
.sk-page input[type="text"],
.sk-page input[type="number"],
.sk-page input[type="date"],
.sk-page select{
  max-width: 520px;
}

/* Let textareas still expand nicely */
.sk-page textarea{
  max-width: 100%;
}
/* Fix date + datetime width alignment */
input[type="date"],
input[type="datetime-local"] {
    width: 100%;
    box-sizing: border-box;
}