:root{
  --bg:#f5f7fb;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --primary:#2563eb;
  --danger:#dc2626;
  --border:#e5e7eb;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
}
.login-body{
  min-height:100vh;
  display:grid;
  place-items:center;
  padding:16px;
}
.login-card{
  width:100%;
  max-width:400px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:12px;
  padding:24px;
  box-shadow:0 10px 30px rgba(0,0,0,.05);
}
h1,h2,h3,p{margin:0 0 12px}
.subtitle{color:var(--muted);margin-bottom:20px}
label{display:block;font-size:14px;margin:10px 0 6px}
input{
  width:100%;
  padding:10px 12px;
  border:1px solid var(--border);
  border-radius:8px;
  outline:none;
}
button{
  width:100%;
  margin-top:14px;
  background:var(--primary);
  color:#fff;
  border:none;
  border-radius:8px;
  padding:11px;
  cursor:pointer;
}
.hint{font-size:12px;color:var(--muted);margin-top:14px}
.alert{
  padding:10px 12px;
  border-radius:8px;
  margin-bottom:12px;
  font-size:14px;
}
.alert-error{
  background:#fee2e2;
  color:#991b1b;
  border:1px solid #fecaca;
}
.topbar{
  background:var(--card);
  border-bottom:1px solid var(--border);
  padding:14px 20px;
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.menu-actions{
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
}
.btn-link,
.btn-logout{
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:38px;
  padding:8px 14px;
  border-radius:10px;
  border:2px solid transparent;
  font-weight:600;
  letter-spacing:.2px;
  transition:all .2s ease;
  box-shadow:0 2px 6px rgba(0,0,0,.08);
}
.btn-link{
  background:#1d4ed8;
  border-color:#1e40af;
  color:#fff;
}
.btn-link:hover,
.btn-link:focus{
  background:#1e40af;
  border-color:#1e3a8a;
  transform:translateY(-1px);
}
.btn-logout{
  background:#dc2626;
  border-color:#991b1b;
  color:#fff;
}
.btn-logout:hover,
.btn-logout:focus{
  background:#b91c1c;
  border-color:#7f1d1d;
  transform:translateY(-1px);
}
.container{
  max-width:1100px;
  margin:20px auto;
  padding:0 16px 24px;
}
.kpis{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:12px;
  margin-bottom:14px;
}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:12px;
  padding:14px;
}
.value{
  font-size:26px;
  font-weight:700;
}
.grid-2{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  margin-bottom:14px;
}
.cash-form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px 14px;
}
.cash-form-grid h4{
  margin:6px 0 0;
}
.full-row{
  grid-column:1 / -1;
}
.alert-ok{
  background:#dcfce7;
  color:#166534;
  border:1px solid #bbf7d0;
}
table{
  width:100%;
  border-collapse:collapse;
}
th,td{
  border-bottom:1px solid var(--border);
  text-align:left;
  padding:9px;
  font-size:14px;
}
@media (max-width:900px){
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-2{grid-template-columns:1fr}
}
@media (max-width:640px){
  .menu-actions{
    width:100%;
  }
  .btn-link,
  .btn-logout{
    flex:1 1 auto;
    text-align:center;
  }
}

@media print{
  body{
    background:#fff;
  }
  .topbar,
  .menu-actions,
  .no-print,
  .alert,
  .print-actions{
    display:none !important;
  }
  .container{
    max-width:100%;
    margin:0;
    padding:0;
  }
  .card{
    border:none;
    box-shadow:none;
    padding:0;
  }
  .print-card{
    display:block !important;
  }
  #print-report{
    display:block !important;
    padding:0;
    margin:0;
  }
  #print-report h3{
    margin-bottom:12px;
  }
  #print-report p{
    margin:0 0 8px;
    font-size:14px;
  }
}