:root {
  --bg: #0b0f1a;
  --surface: #121829;
  --surface-2: #1a2236;
  --border: #2a3550;
  --text: #e8ecf4;
  --muted: #9aa8c4;
  --accent: #7c3aed;
  --accent-2: #0891b2;
  --success: #22c55e;
  --danger: #ef4444;
  --radius: 12px;
  --font: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", monospace;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.5; }
a { color: #a78bfa; text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11, 15, 26, 0.95); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  max-width: 1280px; margin: 0 auto; padding: 0.85rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 0.65rem; font-weight: 700; color: var(--text); text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand__dot { width: 10px; height: 10px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.nav { display: flex; gap: 0.35rem; flex-wrap: wrap; align-items: center; }
.nav a, .nav button.linkish {
  padding: 0.45rem 0.85rem; border-radius: 8px; color: var(--muted); font-size: 0.9rem;
  text-decoration: none; background: none; border: none; cursor: pointer; font-family: inherit;
}
.nav a:hover, .nav a.is-active { color: var(--text); background: var(--surface-2); text-decoration: none; }
.user-pill { font-size: 0.82rem; color: var(--muted); padding: 0.35rem 0.65rem; background: var(--surface-2); border-radius: 999px; }

.layout { max-width: 1280px; margin: 0 auto; padding: 1.5rem; }
.page-title { margin: 0 0 0.35rem; font-size: 1.65rem; }
.page-sub { margin: 0 0 1.5rem; color: var(--muted); }

.filters {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.85rem; margin-bottom: 1.25rem;
}
.field label { display: block; font-size: 0.78rem; font-weight: 600; color: var(--muted); margin-bottom: 0.35rem; }
.field input, .field select {
  width: 100%; padding: 0.55rem 0.7rem; border-radius: 8px;
  border: 1px solid var(--border); background: #0d1117; color: var(--text); font: inherit; font-size: 0.9rem;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--accent); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.35rem;
  padding: 0.55rem 1rem; border-radius: 8px; border: none; font-weight: 600;
  font-size: 0.9rem; cursor: pointer; font-family: inherit;
}
.btn--primary { background: linear-gradient(135deg, var(--accent), #5b21b6); color: #fff; }
.btn--secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.btn--danger { background: #7f1d1d; color: #fecaca; }

.kpi-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem; margin-bottom: 1.25rem;
}
.kpi {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem 1.1rem;
}
.kpi__label { font-size: 0.78rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.kpi__value { font-size: 1.75rem; font-weight: 700; margin-top: 0.25rem; line-height: 1.1; }
.kpi__sub { font-size: 0.82rem; color: var(--muted); margin-top: 0.25rem; }
.kpi--accent .kpi__value { background: linear-gradient(90deg, #c4b5fd, #67e8f9); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

.charts-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.25rem;
}
@media (max-width: 900px) { .charts-grid { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem 1.1rem;
}
.card h3 { margin: 0 0 0.75rem; font-size: 0.95rem; color: var(--muted); font-weight: 600; }
.chart-wrap { position: relative; height: 260px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { text-align: left; padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; }
td.mono { font-family: var(--mono); font-size: 0.78rem; }
.pager { display: flex; gap: 0.5rem; align-items: center; justify-content: flex-end; margin-top: 0.75rem; }

.granularity-badge {
  display: inline-block;
  margin: -0.75rem 0 1rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.78rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--muted);
}

.charts-grid--3 {
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 1.25rem;
}
@media (max-width: 1000px) { .charts-grid--3 { grid-template-columns: 1fr; } }
.chart-wrap--sm { height: 200px; }

.login-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1.5rem;
}
.login-card {
  width: 100%; max-width: 400px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem;
}
.login-card h1 { margin: 0 0 0.35rem; font-size: 1.35rem; }
.login-card p { margin: 0 0 1.5rem; color: var(--muted); font-size: 0.92rem; }
.login-card .field { margin-bottom: 1rem; }
.error { color: #fca5a5; font-size: 0.88rem; margin-bottom: 1rem; min-height: 1.2em; }
.loading { color: var(--muted); text-align: center; padding: 3rem; }

.badge-role {
  display: inline-block; padding: 0.15rem 0.5rem; border-radius: 6px; font-size: 0.72rem; font-weight: 600;
}
.badge-role--admin { background: #4c1d95; color: #ddd6fe; }
.badge-role--user { background: #1e3a5f; color: #bae6fd; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.85rem; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }