:root{
  --brand:#c62828; --brand-dark:#8e1b1b; --bg:#f1f5f9; --card:#ffffff;
  --text:#0f172a; --muted:#64748b; --border:#e2e8f0;
  --ok:#16a34a; --warn:#d97706; --danger:#dc2626;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,'Segoe UI',Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:15px}
a{color:var(--brand);text-decoration:none}

.topbar{position:sticky;top:0;z-index:50;background:#111418;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:12px 16px}
.brand{color:#fff;font-weight:800;letter-spacing:.5px;font-size:17px}
.brand span{color:#f87171}
.topnav a{color:#cbd5e1;margin-left:14px;font-size:14px}
.topnav a:hover{color:#fff}
.lang-switch{margin-left:14px;display:inline-flex;gap:2px;border:1px solid #334155;border-radius:6px;overflow:hidden}
.lang-switch a{margin:0;padding:2px 7px;font-size:12px;color:#94a3b8;background:transparent}
.lang-switch a.active{background:var(--brand);color:#fff}
.lang-switch a:hover{color:#fff;background:#334155}

.content{max-width:960px;margin:0 auto;padding:14px}
.content.has-bottomnav{padding-bottom:120px}

.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px;margin-bottom:14px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.card h2,.card h3{margin-top:0}

.grid{display:grid;gap:12px}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.grid-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}
.tile{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px 10px;text-align:center;font-weight:600;color:var(--text)}
.tile .ico{display:block;font-size:26px;margin-bottom:8px}
.tile:active{background:#fee2e2}

.saldo-card{border-left:5px solid var(--brand)}
.saldo-iznos{font-size:26px;font-weight:800}
.saldo-neg{color:var(--danger)}
.saldo-pos{color:var(--ok)}
.muted{color:var(--muted);font-size:13px}

label{display:block;font-size:13px;color:var(--muted);font-weight:600;margin:10px 0 4px}
input,select,textarea{width:100%;padding:10px;border:1px solid var(--border);border-radius:8px;font-size:15px;background:#fff;color:var(--text)}
textarea{min-height:80px}
button,.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:8px;padding:10px 18px;font-size:15px;font-weight:600;cursor:pointer;text-align:center}
button:hover,.btn:hover{background:var(--brand-dark);color:#fff}
.btn-block{width:100%;margin-top:14px}
.btn-outline{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.btn-outline:hover{background:var(--brand);color:#fff}
.btn-sm{padding:5px 10px;font-size:13px}
.btn-danger{background:var(--danger)}

.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th{
  text-align:left;color:var(--muted);font-size:12px;text-transform:uppercase;
  letter-spacing:.4px;padding:8px;border-bottom:2px solid var(--border)}
td{padding:8px;border-bottom:1px solid var(--border);vertical-align:top}
tr:last-child td{border-bottom:0}
.num{text-align:right;white-space:nowrap}

.badge{display:inline-block;padding:3px 9px;border-radius:99px;font-size:12px;font-weight:600}
.badge.novo{background:#fee2e2;color:#b91c1c}
.badge.u_radu{background:#dbeafe;color:#1d4ed8}
.badge.zavrseno{background:#dcfce7;color:#15803d}
.badge.gray{background:#e2e8f0;color:#475569}
.badge.popup{background:#fef3c7;color:#b45309}
.badge.storno{background:#fee2e2;color:#b91c1c;text-decoration:line-through}

.flash-wrap{max-width:960px;margin:10px auto 0;padding:0 14px}
.flash{background:#dcfce7;border:1px solid #86efac;color:#166534;border-radius:10px;padding:10px 14px;margin-bottom:8px;font-size:14px}

.login-box{max-width:380px;margin:8vh auto}

.stanar-footer{position:fixed;bottom:0;left:0;right:0;z-index:50}
.zgrada-saldo-bar{display:flex;align-items:center;justify-content:center;gap:8px;background:#111418;color:#fff;padding:8px 14px;font-size:13px;font-weight:600;text-decoration:none}
.zgrada-saldo-bar b{font-size:15px}
.zgrada-saldo-bar .saldo-pos{color:#4ade80}
.zgrada-saldo-bar .saldo-neg{color:#f87171}
.bottomnav{background:#fff;border-top:1px solid var(--border);display:flex;justify-content:space-around;padding:6px 0 max(6px, env(safe-area-inset-bottom))}
.bottomnav a{display:flex;flex-direction:column;align-items:center;font-size:11px;color:var(--muted);font-weight:600;padding:4px 10px}
.bottomnav a span{font-size:20px;line-height:1.2}

.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}
.modal-card{background:#fff;border-radius:16px;max-width:440px;width:100%;padding:22px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal-card h2{margin:0 0 10px;color:var(--brand)}

details{margin-top:6px}
details summary{cursor:pointer;color:var(--brand);font-size:13px;font-weight:600}
.istorija{background:#f8fafc;border-left:3px solid var(--warn);padding:8px 10px;margin-top:6px;font-size:13px;border-radius:6px}
.istorija div{margin-bottom:4px}

.section-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.section-nav a{background:#fff;border:1px solid var(--border);border-radius:99px;padding:6px 14px;font-size:13px;font-weight:600;color:var(--text)}
.section-nav a:hover{border-color:var(--brand);color:var(--brand)}

@media print{
  .topbar,.bottomnav,.section-nav,.flash-wrap{display:none!important}
  body{background:#fff}
  .card{border:0;box-shadow:none}
}