:root {
  --brand: #534AB7;
  --brand-dark: #3f3893;
  --brand-light: #ece9fa;
  --bg: #f6f7fb;
  --text: #1f2233;
  --muted: #6b7080;
  --border: #e3e4ee;
  --success: #2f9e44;
  --warning: #d97706;
  --danger: #c92a2a;
  --info: #1c7ed6;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 200px;
  background: #1f2233;
  color: #fff;
  padding: 20px 0;
  flex-shrink: 0;
}
.sidebar .brand {
  padding: 0 20px 20px;
  color: #fff;
  border-bottom: 1px solid #2b2f44;
  text-align: center;
}
.sidebar .brand img.logo {
  width: 60px;
  height: 60px;
  display: block;
  margin: 0 auto 8px;
  object-fit: contain;
}
.sidebar .brand .name {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  text-align: center;
}
.sidebar .brand .accent { color: var(--brand); }
.sidebar nav { display: flex; flex-direction: column; padding: 20px 0; }
.sidebar nav a {
  color: #cbd0e0;
  padding: 10px 20px;
  text-decoration: none;
  font-size: 14px;
}
.sidebar nav a:hover { background: #2b2f44; color: #fff; text-decoration: none; }
.sidebar nav a.active { background: var(--brand); color: #fff; }
.sidebar nav .nav-group { padding: 16px 20px 4px; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.7px; color: #6a7088; }
.sidebar nav .nav-group:first-child { padding-top: 0; }
.sidebar .footer {
  padding: 20px;
  border-top: 1px solid #2b2f44;
  margin-top: auto;
  font-size: 12px;
  color: #8a90a8;
}
.main { flex: 1; padding: 30px 40px; overflow-x: auto; }
h1, h2, h3 { color: var(--brand); margin-top: 0; }
h1 { font-size: 24px; }
h2 { font-size: 18px; }
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.metric { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 16px; }
.metric .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.metric .value { font-size: 28px; font-weight: 700; color: var(--brand); }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; }
th { background: #fafbfc; font-weight: 600; color: var(--muted); text-transform: uppercase; font-size: 11px; letter-spacing: 0.4px; }
tr:hover td { background: #fafbfc; }
.pill { display: inline-block; background: var(--brand-light); color: var(--brand-dark); padding: 2px 8px; border-radius: 12px; font-size: 11px; margin-right: 4px; margin-bottom: 2px; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; }
.badge.success { background: #e6f7ec; color: var(--success); }
.badge.warning { background: #fff4e0; color: var(--warning); }
.badge.danger { background: #ffe4e4; color: var(--danger); }
.badge.muted { background: #eef0f5; color: var(--muted); }
.badge.info { background: #e0eefd; color: var(--info); }
.btn {
  display: inline-block;
  padding: 8px 16px;
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  text-decoration: none;
  font-weight: 500;
}
.btn:hover { background: var(--brand-dark); text-decoration: none; color: #fff; }
.btn.secondary { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn.secondary:hover { background: #fafbfc; color: var(--text); }
.btn.danger { background: var(--danger); }
.btn.danger:hover { background: #a51919; }
.btn.small { padding: 4px 10px; font-size: 12px; }
form .field { margin-bottom: 16px; }
form label { display: block; font-weight: 500; margin-bottom: 6px; color: var(--text); }
form input[type=text], form input[type=email], form input[type=password],
form input[type=number], form input[type=date], form select, form textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
}
form input:focus, form select:focus, form textarea:focus { outline: none; border-color: var(--brand); }
form textarea { min-height: 80px; resize: vertical; }
.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; border: 1px solid; }
.alert.error { background: #ffe4e4; color: var(--danger); border-color: #f8b4b4; }
.alert.success { background: #e6f7ec; color: var(--success); border-color: #b6e2c4; }
.alert.warning { background: #fff4e0; color: var(--warning); border-color: #f5d9a4; }
.alert.info { background: #e0eefd; color: var(--info); border-color: #afd0f5; }
.checkbox-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 8px; }
.checkbox-row { display: flex; align-items: center; padding: 6px; border: 1px solid var(--border); border-radius: 4px; background: #fafbfc; }
.checkbox-row input { margin-right: 8px; }
.toolbar { display: flex; gap: 10px; margin-bottom: 16px; align-items: center; }
.toolbar .spacer { flex: 1; }
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 20px; }
.tabs a { padding: 10px 16px; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -2px; }
.tabs a.active { color: var(--brand); border-bottom-color: var(--brand); font-weight: 600; }
.tabs a:hover { text-decoration: none; color: var(--brand); }
.mono { font-family: ui-monospace, "SF Mono", Monaco, monospace; font-size: 12px; }
.key-display {
  font-family: ui-monospace, "SF Mono", Monaco, monospace;
  font-size: 16px;
  background: #1f2233;
  color: #6dd49a;
  padding: 16px;
  border-radius: 6px;
  word-break: break-all;
  user-select: all;
}
.row { display: flex; gap: 20px; }
.row > * { flex: 1; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.modal-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 100;
  align-items: center; justify-content: center;
}
.modal-backdrop.show { display: flex; }
.modal {
  background: #fff;
  border-radius: 8px;
  padding: 24px;
  max-width: 500px;
  width: 90%;
}
.pagination { display: flex; gap: 8px; margin-top: 16px; align-items: center; }
.pagination a, .pagination span { padding: 6px 10px; border: 1px solid var(--border); border-radius: 4px; }
.pagination .current { background: var(--brand); color: #fff; border-color: var(--brand); }

/* Chart styles */
.chart-container { position: relative; margin-bottom: 20px; }
.chart-bar-group { display: flex; align-items: flex-end; gap: 2px; height: 120px; }
.chart-bar {
  flex: 1;
  background: var(--brand);
  border-radius: 2px 2px 0 0;
  min-width: 4px;
  transition: opacity 0.15s;
  position: relative;
}
.chart-bar:hover { opacity: 0.8; }
.chart-bar.danger { background: var(--danger); }
.chart-bar.warning { background: var(--warning); }
.chart-bar.success { background: var(--success); }
.chart-labels { display: flex; justify-content: space-between; font-size: 10px; color: var(--muted); margin-top: 4px; }
.chart-legend { display: flex; gap: 16px; font-size: 11px; color: var(--muted); margin-top: 8px; flex-wrap: wrap; }
.chart-legend-item { display: flex; align-items: center; gap: 4px; }
.chart-legend-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

/* Bulk operations */
.bulk-bar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--brand-light);
  border: 1px solid var(--brand);
  border-radius: 6px;
  padding: 10px 16px;
  margin-bottom: 12px;
  align-items: center;
  gap: 12px;
}
.bulk-bar.show { display: flex; }
.bulk-bar .count { font-weight: 600; color: var(--brand-dark); }