:root{
  --navy:#0b2e4f;
  --navy-dark:#071f37;
  --gold:#d4a72c;
  --bg:#f4f6f9;
  --card:#ffffff;
  --text:#1c2733;
  --muted:#6b7785;
  --danger:#c0392b;
  --warn:#d4a72c;
  --ok:#2f855a;
  --border:#e3e8ee;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
}
a{color:var(--navy);text-decoration:none}
.topbar{
  background:var(--navy);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:.75rem 1.5rem;
}
.topbar .brand{font-weight:700;font-size:1.1rem;display:flex;align-items:center;gap:.5rem}
.topbar .brand span.tag{color:var(--gold)}
.topbar nav a{color:#dce6f0;margin-left:1.1rem;font-size:.92rem}
.topbar nav a:hover{color:var(--gold)}
.container{max-width:1100px;margin:0 auto;padding:1.5rem}
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:1.25rem;margin-bottom:1rem}
.grid{display:grid;gap:1rem}
.grid-3{grid-template-columns:repeat(3,1fr)}
.stat{padding:1rem;border-radius:10px;background:#fff;border:1px solid var(--border)}
.stat .num{font-size:1.8rem;font-weight:700}
.stat .label{color:var(--muted);font-size:.85rem}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:.6rem .5rem;border-bottom:1px solid var(--border);font-size:.92rem}
th{color:var(--muted);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em}
tr:hover td{background:#fafcff}
.badge{display:inline-block;padding:.2rem .6rem;border-radius:20px;font-size:.75rem;font-weight:600}
.badge-open{background:#e6f0fa;color:var(--navy)}
.badge-in_progress{background:#fff3d6;color:#8a6100}
.badge-on_hold{background:#eee;color:#555}
.badge-resolved{background:#e3f7ea;color:var(--ok)}
.badge-closed{background:#eee;color:#666}
.badge-reopened{background:#fde3e1;color:var(--danger)}
.pri-low{color:var(--muted)}
.pri-medium{color:#8a6100}
.pri-high{color:#c0392b;font-weight:600}
.pri-critical{color:#fff;background:var(--danger);padding:.1rem .5rem;border-radius:6px;font-weight:700}
.btn{display:inline-block;padding:.55rem 1.1rem;border-radius:7px;border:none;background:var(--navy);color:#fff;cursor:pointer;font-size:.9rem}
.btn:hover{background:var(--navy-dark)}
.btn-gold{background:var(--gold);color:#3a2b00}
.btn-outline{background:transparent;color:var(--navy);border:1px solid var(--navy)}
.btn-sm{padding:.3rem .7rem;font-size:.8rem}
input,select,textarea{
  width:100%;padding:.6rem;border:1px solid var(--border);border-radius:6px;font-size:.92rem;background:#fff;color:var(--text);
}
label{display:block;margin:.6rem 0 .25rem;font-size:.85rem;color:var(--muted);font-weight:600}
form .row{display:flex;gap:1rem}
form .row > div{flex:1}
.error{background:#fde3e1;color:var(--danger);padding:.6rem 1rem;border-radius:6px;margin-bottom:1rem;font-size:.9rem}
.auth-wrap{max-width:420px;margin:4rem auto;padding:0 1rem}
.muted{color:var(--muted);font-size:.85rem}
.comment{border:1px solid var(--border);border-radius:8px;padding:.75rem 1rem;margin-bottom:.75rem}
.comment.internal{background:#fff8e6;border-color:#f0dca0}
.filters{display:flex;gap:.6rem;margin-bottom:1rem;flex-wrap:wrap}
.filters select,.filters input{width:auto}
.section-title{font-size:1.05rem;font-weight:700;margin-bottom:.75rem;color:var(--navy-dark)}
footer{text-align:center;color:var(--muted);font-size:.8rem;padding:2rem 0}