:root{
  --bg:#f3f6fa;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --brand:#0f4c81;
  --accent:#b58a2a;
  --danger:#e53935;
  --warn:#f6c343;
  --shadow: 0 12px 30px rgba(15,23,42,.10);
  --radius:16px;
}

*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;color:var(--text);background:var(--bg)}
a{color:inherit;text-decoration:none}
.container{max-width:1150px;margin:0 auto;padding:0 16px}

.nav{
  background:var(--brand); color:#fff;
  padding:12px 0;
  box-shadow: 0 8px 20px rgba(2,6,23,.18);
}
.nav-inner{display:flex;align-items:center;gap:16px}
.brand{
  display:flex;align-items:center;gap:10px;
  font-weight:800; letter-spacing:.2px;
}
.brand img{width:28px;height:28px;border-radius:8px;background:#fff;padding:3px}
.spacer{flex:1}
.nav a{opacity:.9;padding:6px 10px;border-radius:10px}
.nav a:hover{background:rgba(255,255,255,.10)}
.nav a.active{background:rgba(255,255,255,.18);opacity:1;font-weight:700}

.page{padding:22px 0}
.card{
  background:var(--card);
  border-radius:var(--radius);
  box-shadow: var(--shadow);
  padding:18px;
}
.h1{font-size:22px;font-weight:800;margin:0 0 14px}
.h2{font-size:18px;font-weight:800;margin:0 0 12px}
.muted{color:var(--muted)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row.center{justify-content:center}
input,select{
  border:1px solid #dbe3ef;
  border-radius:12px;
  padding:10px 12px;
  outline:none;
  background:#fff;
}
input:focus,select:focus{border-color:#93c5fd; box-shadow:0 0 0 3px rgba(59,130,246,.15)}
.btn{
  border:0;border-radius:12px;padding:10px 12px;
  font-weight:700; cursor:pointer;
}
.btn-primary{background:#1976d2;color:#fff}
.btn-primary:hover{filter:brightness(.95)}
.btn-warn{background:var(--warn)}
.btn-danger{background:var(--danger);color:#fff}
.btn-ghost{background:#eef2ff;color:#1e40af}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:11px 10px;border-bottom:1px solid #eef2f7;text-align:left}
.table th{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.table td.actions{white-space:nowrap}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;background:#eef2ff;color:#1e40af;font-weight:700;font-size:12px}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:900px){.grid-3{grid-template-columns:1fr}}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media (max-width:900px){.grid-2{grid-template-columns:1fr}}

.kpi{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}
.kpi .t{color:var(--muted);font-weight:700}
.kpi .v{font-size:26px;font-weight:900;margin-top:6px}
.kpi.green .v{color:#15803d}

.alert{padding:12px;border-radius:12px;margin:12px 0}
.alert.error{background:#ffebee;color:#b71c1c;border:1px solid #ffcdd2}
.alert.ok{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}

.login-bg{min-height:100vh;display:grid;place-items:center;background:linear-gradient(180deg,#f7fafc,#eef5ff)}
.login-card{
  width:min(420px,92vw);
  background:var(--card);
  border-radius:22px;
  box-shadow: var(--shadow);
  padding:26px 24px;
  text-align:center;
}
.login-card .logo{
  width:92px;height:92px;border-radius:18px;
  background:#f3efe6;
  display:grid;place-items:center;
  margin:0 auto 10px;
}
.login-card .logo img{width:54px;height:auto}
.title{margin:10px 0 18px;font-size:22px;font-weight:900}
.title .accent{color:var(--accent)}
.login-card label{display:block;text-align:left;color:var(--muted);font-weight:700;margin-top:10px;margin-bottom:6px}
.login-card button{width:100%;padding:12px;border-radius:14px;background:var(--accent);color:#fff;border:0;font-weight:900;margin-top:14px;cursor:pointer}
.login-card button:hover{filter:brightness(.97)}