/* Design tokens — VTU Admin Dashboard
   Palette chosen for a Nigerian fintech back-office: calm, legible money
   figures over a quiet neutral field, one accent color per status meaning
   (never decorative gradients). See docs/05-ADMIN-DASHBOARD.md. */
:root {
  --navy-950: #0D1224;
  --navy-900: #10162B;
  --navy-800: #1B2340;
  --ink: #171B26;
  --ink-soft: #5B6270;
  --field: #F6F7FA;
  --card: #FFFFFF;
  --line: #E4E7EE;

  --teal: #0EA57A;    /* revenue, success */
  --teal-soft: #E4F6EF;
  --amber: #C98A2E;   /* pending, review */
  --amber-soft: #FBF1E1;
  --coral: #D65B57;   /* failed, error */
  --coral-soft: #FBEAE9;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--field);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
}

.shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 232px;
  flex-shrink: 0;
  background: var(--navy-900);
  color: #C9CEDD;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.sidebar .brand {
  font-family: var(--font-display);
  color: #fff;
  font-size: 18px;
  padding: 0 8px 20px;
  letter-spacing: 0.2px;
}
.sidebar a {
  color: #C9CEDD;
  text-decoration: none;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 13.5px;
  display: block;
}
.sidebar a:hover { background: var(--navy-800); color: #fff; }
.sidebar a.active { background: var(--teal); color: #06251C; font-weight: 600; }
.sidebar .group-label {
  color: #6D7590;
  font-size: 11px;
  margin: 16px 8px 4px;
}

.main { flex: 1; min-width: 0; }
.topbar {
  height: 64px;
  border-bottom: 1px solid var(--line);
  background: var(--card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
}
.topbar input[type="search"] {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 12px;
  font-size: 13px;
  width: 280px;
  background: var(--field);
}
.content { padding: 28px; }

h1.page-title {
  font-family: var(--font-display);
  font-size: 22px;
  margin: 0 0 20px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 22px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 18px 16px;
}
.stat-card .label { color: var(--ink-soft); font-size: 12.5px; margin-bottom: 6px; }
.stat-card .value { font-family: var(--font-display); font-size: 26px; }
.stat-card .value.teal { color: var(--teal); }
.stat-card .value.amber { color: var(--amber); }
.stat-card .value.coral { color: var(--coral); }

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
}
.panel + .panel { margin-top: 16px; }
.panel h2 {
  font-size: 14.5px;
  font-weight: 600;
  margin: 0 0 14px;
}

.two-col { display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; }

table.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data-table th {
  text-align: left;
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 12px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
}
table.data-table td {
  padding: 10px 10px;
  border-bottom: 1px solid var(--line);
}
table.data-table tr:hover td { background: var(--field); }

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
}
.badge.success { background: var(--teal-soft); color: #076B4E; }
.badge.pending { background: var(--amber-soft); color: #8A5C1B; }
.badge.failed  { background: var(--coral-soft); color: #A23A36; }

.toolbar { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar input, .toolbar select {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 13px;
  background: var(--card);
}
.btn {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 13px;
  cursor: pointer;
}
.btn.primary { background: var(--navy-900); color: #fff; border-color: var(--navy-900); }
.btn.danger { color: var(--coral); border-color: #F2C9C7; }

.provider-row { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--line); }
.provider-row:last-child { border-bottom: none; }
.provider-name { font-weight: 500; }
.provider-meta { color: var(--ink-soft); font-size: 12px; }
.rate-bar { width: 90px; height: 6px; border-radius: 4px; background: var(--line); overflow: hidden; }
.rate-bar span { display: block; height: 100%; background: var(--teal); }