:root{
  --bg:#f6f8fc;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --border:#e6eaf2;
  --primary:#2563eb;
  --primary2:#0ea5e9;
  --danger:#ef4444;
  --warn:#f59e0b;
  --ok:#10b981;
  --shadow:0 10px 30px rgba(15,23,42,0.08);
  --radius:14px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color:var(--text);
  background:var(--bg);
}

.container{max-width:1160px;margin:0 auto;padding:18px 16px}

.topnav{
  background:var(--card);
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  z-index:10;
}
.topnav-inner{
  max-width:1160px;
  margin:0 auto;
  padding:10px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}
.brand{font-weight:800; letter-spacing:0.2px}
.tabs{display:flex; gap:6px; align-items:center; flex-wrap:wrap}
.tab{
  padding:8px 10px;
  border-radius:10px;
  border:1px solid transparent;
  background:transparent;
  color:var(--muted);
  text-decoration:none;
  font-size:13px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  cursor:pointer;
}
.tab.active{
  background:#eef2ff;
  color:#1d4ed8;
  border-color:#dbeafe;
}
.tab:hover{background:#f3f6ff}

.userbox{
  display:flex;
  align-items:center;
  gap:10px;
  padding:6px 10px;
  border:1px solid var(--border);
  border-radius:999px;
  background:#fff;
}
.avatar{
  width:30px;height:30px;border-radius:999px;
  background:linear-gradient(135deg, #dbeafe, #e0f2fe);
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
  flex:0 0 auto;
}
.avatar img{width:100%;height:100%;object-fit:cover}
.user-meta{line-height:1.1}
.user-meta .name{font-size:13px;font-weight:700}
.user-meta .role{font-size:11px;color:var(--muted)}
.btn{
  border:1px solid var(--border);
  background:#fff;
  border-radius:12px;
  padding:10px 12px;
  cursor:pointer;
  font-weight:600;
}
.btn.primary{
  border-color:#c7d2fe;
  background:linear-gradient(90deg, var(--primary), var(--primary2));
  color:#fff;
}
.btn.secondary{border-color:#bfdbfe;background:#eff6ff;color:#1d4ed8}
.btn.danger{border-color:#fecaca;background:#fff;color:var(--danger)}
.btn.link{border:none;background:transparent;color:var(--primary);padding:0}
.btn:disabled{opacity:.6;cursor:not-allowed}

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:16px;
}

h1{font-size:28px;margin:0 0 4px}
h2{font-size:16px;margin:0;color:var(--muted);font-weight:600}

.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row > *{flex:1; min-width:180px}
.tight{flex:0 0 auto; min-width:auto}

label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
input, select, textarea{
  width:100%;
  padding:10px 12px;
  border:1px solid var(--border);
  border-radius:12px;
  outline:none;
  background:#fff;
}
input:focus, select:focus, textarea:focus{border-color:#bfd2ff; box-shadow:0 0 0 4px rgba(37,99,235,0.12)}

.msg{
  margin-top:10px;
  border:1px solid var(--border);
  border-radius:12px;
  padding:10px 12px;
  background:#fff;
  color:var(--muted);
}
.msg.error{border-color:#fecaca;background:#fff5f5;color:#991b1b}
.msg.ok{border-color:#bbf7d0;background:#f0fdf4;color:#065f46}
.msg.info{border-color:#bfdbfe;background:#eff6ff;color:#1e3a8a}

.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  padding:2px 8px;
  border-radius:999px;
  border:1px solid var(--border);
  color:var(--muted);
  background:#fff;
}
.pill.ok{border-color:#bbf7d0;color:#047857;background:#f0fdf4}
.pill.fail{border-color:#fecaca;color:#b91c1c;background:#fff5f5}
.pill.danger{border-color:#fecaca;color:#b91c1c;background:#fff5f5}
.pill.warn{border-color:#fde68a;color:#92400e;background:#fffbeb}

table{width:100%; border-collapse:collapse; margin-top:10px}
thead th{
  text-align:left;
  font-size:11px;
  letter-spacing:.02em;
  text-transform:uppercase;
  color:var(--muted);
  padding:10px;
  border-bottom:1px solid var(--border);
}
tbody td{
  padding:10px;
  border-bottom:1px solid var(--border);
  font-size:13px;
  vertical-align:top;
}
tbody tr:hover{background:#f9fbff}

.login-bg{
  min-height:100vh;
  background:
    radial-gradient(1200px 800px at 20% 10%, rgba(37,99,235,0.20), transparent 60%),
    radial-gradient(1200px 800px at 80% 40%, rgba(14,165,233,0.18), transparent 60%),
    linear-gradient(180deg, #0b1020, #0b1020);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:20px;
}
.login-shell{
  width:min(980px, 100%);
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:18px;
}
.login-left{
  color:#e6eeff;
  padding:26px 18px;
}
.login-left .title{font-size:40px;font-weight:900;margin:0 0 10px}
.login-left .subtitle{color:rgba(230,238,255,0.7);max-width:520px;line-height:1.6}
.login-left ul{margin:16px 0 0 16px;color:rgba(230,238,255,0.75);line-height:1.8}
.login-card{
  background:#ffffff;
  border-radius:18px;
  padding:18px;
  border:1px solid rgba(255,255,255,0.10);
  box-shadow:0 20px 60px rgba(0,0,0,0.30);
}

@media (max-width: 900px){
  .login-shell{grid-template-columns:1fr}
  .login-left{display:none}
}

.modal{
  position:fixed;
  inset:0;
  background:rgba(15,23,42,0.45);
  display:none;
  align-items:center;
  justify-content:center;
  padding:18px;
  z-index:50;
}
.modal.open{display:flex}
.modal-card{
  width:min(860px, 100%);
  max-height:calc(100vh - 36px);
  overflow:auto;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:16px;
  box-shadow:0 30px 90px rgba(0,0,0,0.35);
  padding:14px;
}

.alert{
  border:1px solid var(--border);
  border-radius:14px;
  padding:12px;
  background:#fff;
  margin-top:10px;
}