:root{
  --ink:#171B1D;
  --paper:#EFEDE6;
  --steel:#3B5169;
  --steel-dark:#243444;
  --yellow:#F2B705;
  --red:#C1272D;
  --green:#3B7A3E;
  --line:#C9C4B6;
}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'Segoe UI', Arial, sans-serif;
}
.topbar{
  background:var(--steel-dark);
  border-bottom:4px solid var(--yellow);
}
.sidebar{
  width:230px;
  min-height:calc(100vh - 56px);
  background:#fff;
  border-right:1px solid var(--line);
}
.sidebar-heading{
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:0.6px;
  color:#8a8578;
  margin:16px 0 6px;
  font-weight:600;
}
.sidebar-heading:first-child{margin-top:0;}
.side-link{
  display:block;
  padding:8px 10px;
  border-radius:4px;
  color:var(--ink);
  text-decoration:none;
  font-size:14px;
  margin-bottom:2px;
}
.side-link:hover{background:var(--paper);}
.side-link.active{background:var(--steel); color:#fff;}
.main-content{background:var(--paper);}
.stat-card{
  background:#fff;
  border:1px solid var(--line);
  border-left:4px solid var(--steel);
  border-radius:6px;
  padding:16px 18px;
}
.stat-card .value{font-size:28px; font-weight:700; color:var(--ink);}
.stat-card .label{font-size:12px; text-transform:uppercase; letter-spacing:0.5px; color:#8a8578;}
.stat-card.open{border-left-color:var(--red);}
.stat-card.closed{border-left-color:var(--green);}
.stat-card.warn{border-left-color:var(--yellow);}
.badge-open{background:var(--red); color:#fff;}
.badge-closed{background:var(--green); color:#fff;}
.login-wrap{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--steel-dark);
}
.login-card{
  background:#fff;
  border-radius:8px;
  padding:36px;
  width:360px;
  border-top:6px solid var(--yellow);
}
.form-label{font-weight:600; font-size:13px;}
.obs-table th{background:#E7E3D6; font-size:11px; text-transform:uppercase;}
.obs-table td textarea{min-height:38px;}
.report-sheet{background:#fff; border:1px solid var(--line); padding:24px;}
@media print{
  .no-print{display:none !important;}
  .sidebar, .topbar{display:none !important;}
  main{padding:0 !important;}
}