:root {
  --ink: #172033;
  --ink-soft: #3d4a63;
  --paper: #f3efe6;
  --card: #fffdf8;
  --line: #e4d9c6;
  --gold: #8d6a32;
  --gold-soft: #f3e6cf;
  --green: #0e6b4f;
  --green-soft: #e5f4ee;
  --red: #8f2d2d;
  --red-soft: #f8e8e4;
  --amber: #8a5a00;
  --amber-soft: #fff1d6;
  --sidebar: #121a27;
  --shadow: 0 10px 30px rgba(23, 32, 51, 0.06);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.45;
}
a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: Georgia, "Iowan Old Style", Palatino, serif; font-weight: 600; letter-spacing: -0.02em; }
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 248px;
  background: var(--sidebar);
  color: #efe8da;
  padding: 22px 16px;
  flex-shrink: 0;
}
.brand { font-family: Georgia, serif; font-size: 22px; margin: 0 0 4px; }
.brand span { color: #e4c48a; }
.brand-sub { color: #b7c0ce; font-size: 12px; margin-bottom: 18px; }
.nav-group { margin: 16px 0 6px; color: #8d98ab; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; }
.sidebar a { color: #efe8da; display: block; padding: 6px 8px; border-radius: 6px; }
.sidebar a:hover, .sidebar a.active { background: rgba(228, 196, 138, 0.14); text-decoration: none; }
.main { flex: 1; min-width: 0; }
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 28px; border-bottom: 1px solid var(--line); background: rgba(255,253,248,0.9);
}
.pill { display: inline-block; padding: 3px 8px; border-radius: 999px; font-size: 12px; font-weight: 650; }
.pill.sandbox { background: var(--amber-soft); color: var(--amber); }
.pill.production { background: var(--green-soft); color: var(--green); }
.pill.bad { background: var(--red-soft); color: var(--red); }
.pill.ok { background: var(--green-soft); color: var(--green); }
.content { padding: 28px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 18px 14px; box-shadow: var(--shadow);
}
.grid { display: grid; gap: 16px; }
.grid.kpis { grid-template-columns: repeat(4, 1fr); }
.grid.two { grid-template-columns: 1.4fr 1fr; }
.kpi .label { color: var(--ink-soft); font-size: 13px; }
.kpi .value { font-family: Georgia, serif; font-size: 30px; margin: 4px 0; }
.kpi .hint { color: var(--ink-soft); font-size: 12px; }
.formula { font-size: 13px; color: var(--ink-soft); margin-top: 8px; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th { text-align: left; font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-soft); padding: 8px 8px; border-bottom: 1px solid var(--line); }
td { padding: 8px; border-bottom: 1px solid #f0e8da; vertical-align: top; }
tr.negative td { background: var(--red-soft); }
tr.overdue td { background: var(--red-soft); }
.banner { padding: 12px 14px; border-radius: 10px; margin-bottom: 16px; }
.banner.warn { background: var(--amber-soft); color: var(--amber); }
.banner.bad { background: var(--red-soft); color: var(--red); }
.banner.ok { background: var(--green-soft); color: var(--green); }
.messages { list-style: none; padding: 0; }
.messages li { padding: 10px 12px; border-radius: 8px; margin-bottom: 8px; }
.messages .success { background: var(--green-soft); }
.messages .error { background: var(--red-soft); }
button, .button {
  background: var(--ink); color: white; border: 0; border-radius: 8px;
  padding: 8px 14px; font: inherit; cursor: pointer;
}
button.secondary, .button.secondary { background: transparent; color: var(--ink); border: 1px solid var(--line); }
button.danger { background: var(--red); }
label { display: block; font-size: 13px; margin: 12px 0 4px; }
input, select, textarea {
  width: 100%; max-width: 460px; padding: 8px 10px; border-radius: 8px;
  border: 1px solid var(--line); background: white; font: inherit;
}
textarea { min-height: 80px; }
.auth {
  max-width: 440px; margin: 8vh auto; background: var(--card);
  border: 1px solid var(--line); border-radius: 16px; padding: 28px;
}
.muted { color: var(--ink-soft); }
.row-actions { display: flex; gap: 8px; align-items: center; }
.split { display: flex; justify-content: space-between; gap: 12px; align-items: end; }
@media (max-width: 980px) {
  .shell { display: block; }
  .sidebar { width: auto; }
  .grid.kpis, .grid.two { grid-template-columns: 1fr; }
}