:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --line: #d9e2ec;
  --text: #1f2933;
  --primary: #2457c5;
  --primary-dark: #1b4297;
  --ok: #117a37;
  --warn: #b06a00;
  --danger: #b42318;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}
.topbar {
  display:flex; justify-content:space-between; align-items:center;
  background:#fff; border-bottom:1px solid var(--line); padding:14px 20px;
}
.topbar nav a { margin-left: 14px; color: var(--primary); text-decoration:none; font-weight:700; }
.container { max-width: 1100px; margin: 24px auto; padding: 0 16px; }
.card {
  background: var(--card); border:1px solid var(--line); border-radius:14px;
  padding:20px; margin-bottom:20px; box-shadow: 0 4px 16px rgba(15,23,42,.04);
}
.grid { display:grid; gap:16px; }
.grid-2 { grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); }
label { display:block; font-weight:700; margin-bottom:6px; }
input, select, textarea {
  width:100%; padding:10px 12px; border:1px solid #b8c4d0; border-radius:10px; background:#fff;
}
textarea { min-height: 110px; resize: vertical; }
button, .btn {
  display:inline-block; background:var(--primary); color:#fff; border:none; border-radius:10px;
  padding:10px 14px; cursor:pointer; text-decoration:none; font-weight:700;
}
button:hover, .btn:hover { background: var(--primary-dark); }
.btn-danger { background: var(--danger); }
.badge { display:inline-block; padding:4px 8px; border-radius:999px; background:#e9f0ff; color:var(--primary); font-size:.85rem; font-weight:700; }
.table { width:100%; border-collapse: collapse; }
.table th, .table td { border-bottom:1px solid var(--line); padding:10px; text-align:left; vertical-align: top; }
.alert { padding:12px 14px; border-radius:10px; margin-bottom:16px; }
.alert-success { background:#e8f7ee; color:var(--ok); }
.alert-error { background:#fdecec; color:var(--danger); }
.alert-warn { background:#fff5e8; color:var(--warn); }
.small { font-size: .86rem; color:#52606d; }
.kpi { font-size: 2rem; font-weight: 700; }
.footer { text-align:center; color:#617282; padding: 30px 10px; }
pre.json { white-space: pre-wrap; background:#0f172a; color:#e2e8f0; padding:14px; border-radius:10px; overflow:auto; }
ul.clean { padding-left: 18px; margin-top: 8px; }