:root {
  --boja-primarna: #2563eb;
  --boja-primarna-tamna: #1d4ed8;
  --boja-pozadina: #f4f6f8;
  --boja-kartica: #ffffff;
  --boja-tekst: #1f2937;
  --boja-tekst-slaba: #6b7280;
  --boja-granica: #e2e8f0;
  --boja-uspjeh: #16a34a;
  --boja-opasnost: #dc2626;
  --radijus: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--boja-pozadina);
  color: var(--boja-tekst);
  font-size: 14px;
}

.navbar {
  background: #111827;
  color: white;
  display: flex;
  align-items: center;
  padding: 0 20px;
  height: 52px;
}

.navbar .brand { font-weight: 600; margin-right: 32px; }

.navbar a {
  color: #cbd5e1;
  text-decoration: none;
  margin-right: 20px;
  padding: 6px 0;
  font-size: 13.5px;
}

.navbar a.active, .navbar a:hover { color: white; border-bottom: 2px solid var(--boja-primarna); }

.container { max-width: 1200px; margin: 24px auto; padding: 0 20px; }

.karta {
  background: var(--boja-kartica);
  border: 1px solid var(--boja-granica);
  border-radius: var(--radijus);
  padding: 20px;
  margin-bottom: 20px;
}

h1 { font-size: 20px; margin: 0 0 16px; }
h2 { font-size: 16px; margin: 0 0 12px; }

table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { border: 1px solid var(--boja-granica); padding: 6px 8px; text-align: left; }
th { background: #f8fafc; font-weight: 600; }
tr:hover td { background: #f9fafb; }

.forma-red { margin-bottom: 12px; }
.forma-red label { display: block; margin-bottom: 4px; font-weight: 500; color: var(--boja-tekst-slaba); }
input, select, button, textarea {
  font-family: inherit; font-size: 13.5px;
  padding: 7px 10px; border: 1px solid var(--boja-granica); border-radius: 6px;
}
input:focus, select:focus { outline: none; border-color: var(--boja-primarna); }

.dugme {
  background: var(--boja-primarna); color: white; border: none;
  cursor: pointer; padding: 8px 16px; border-radius: 6px; font-weight: 500;
}
.dugme:hover { background: var(--boja-primarna-tamna); }
.dugme.sekundarno { background: white; color: var(--boja-tekst); border: 1px solid var(--boja-granica); }
.dugme.sekundarno:hover { background: #f1f5f9; }
.dugme.opasnost { background: var(--boja-opasnost); }

.trakica {
  display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px;
}

.oznaka {
  display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11.5px; font-weight: 600;
}
.oznaka.aktivan { background: #dcfce7; color: #166534; }
.oznaka.neaktivan { background: #f1f5f9; color: #64748b; }

.grid-forma { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }

.poruka { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; font-size: 13.5px; }
.poruka.ok { background: #dcfce7; color: #166534; }
.poruka.greska { background: #fee2e2; color: #991b1b; }

.dan-input { width: 46px; text-align: center; padding: 4px; }
.tabela-evidencija td, .tabela-evidencija th { padding: 3px 4px; font-size: 11.5px; }
.tabela-evidencija input[type=number] { width: 40px; padding: 3px; }
.tabela-evidencija input[type=time] { width: 78px; padding: 3px; }

.tabovi { display: flex; gap: 4px; margin-bottom: 16px; border-bottom: 1px solid var(--boja-granica); }
.tabovi a {
  padding: 8px 14px; text-decoration: none; color: var(--boja-tekst-slaba); font-size: 13.5px;
  border-bottom: 2px solid transparent;
}
.tabovi a.aktivan { color: var(--boja-primarna); border-color: var(--boja-primarna); font-weight: 600; }

.modal-pozadina {
  display: none; position: fixed; inset: 0; background: rgba(15,23,42,0.5);
  align-items: center; justify-content: center; z-index: 1000;
}
.modal-pozadina.otvoren { display: flex; }
.modal-prozor {
  background: white; border-radius: 10px; padding: 24px; width: 480px; max-width: 92vw;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}
.modal-prozor h2 { margin-top: 0; }
.modal-zatvori { float: right; cursor: pointer; color: var(--boja-tekst-slaba); font-size: 18px; border:none; background:none; }

.kartica-radnika {
  display: flex; gap: 32px; flex-wrap: wrap; align-items: center;
}
.kartica-radnika .stavka { font-size: 13px; }
.kartica-radnika .stavka strong { display: block; font-size: 14.5px; color: var(--boja-tekst); }
.kartica-radnika .stavka span { color: var(--boja-tekst-slaba); font-size: 12px; }