:root { --accent:#0ea5e9; --danger:#b91c1c; --ok:#16a34a; --muted:#666; }
* { box-sizing: border-box; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Tahoma, sans-serif;
  margin: 0; background: #f7f7fb; color: #111827;
}
.container { max-width: 1100px; margin: 40px auto; padding: 0 16px; }
.card {
  background:#fff; border:1px solid #e5e7eb; border-radius:16px; padding:20px;
  box-shadow: 0 10px 20px rgba(0,0,0,.04);
}
.row { display:flex; gap:16px; flex-wrap:wrap; }
.col { flex:1; min-width: 280px; }
h1,h2,h3 { margin: 8px 0 16px; }
label { display:block; font-size:14px; color:#374151; margin:8px 0 6px; }
input, select, textarea {
  width:100%; padding:10px 12px; border:1px solid #d1d5db; border-radius:10px;
  font-size:14px; outline:none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow:0 0 0 3px rgba(14,165,233,.2); }

.btn {
  border:none; padding:10px 14px; border-radius:10px; cursor:pointer; font-weight:600;
  background: var(--accent); color:#fff;
}
.btn.secondary { background:#111827; }
.btn.danger { background: var(--danger); }
.btn.ghost { background:#fff; color:#111; border:1px solid #e5e7eb; }
.btn:disabled { opacity:.5; cursor:not-allowed; }

.table { width:100%; border-collapse: collapse; margin-top:12px; }
.table th, .table td { border-bottom:1px solid #eee; padding:8px 6px; text-align:left; font-size:14px; }
.table th { color:#374151; font-weight:700; background:#fafafa; }

.navbar {
  background:#fff; border-bottom:1px solid #eee; padding:10px 16px; display:flex; gap:12px; align-items:center;
}
.navbar a { text-decoration:none; color:#111; font-weight:600; padding:8px 10px; border-radius:8px; }
.navbar a.active, .navbar a:hover { background:#f1f5f9; }

.badge { padding:2px 8px; border-radius:999px; background:#f1f5f9; font-size:12px; color:#475569; }
.right { margin-left:auto; }

.login-box {
  max-width:360px; margin: 10vh auto; padding:24px; border-radius:16px; background:#fff;
  border:1px solid #eee; box-shadow: 0 20px 40px rgba(0,0,0,.06);
}
.small { font-size:12px; color:#6b7280; }

hr { border:0; border-top:1px solid #eee; margin:16px 0; }