:root {
  --bg: #0f1419;
  --panel: #1a2332;
  --border: #2d3a4d;
  --text: #e8eef7;
  --muted: #8b9cb3;
  --accent: #3b82f6;
  --positive: #22c55e;
  --negative: #ef4444;
  --warning: #f59e0b;
  --received: #64748b;
  --executed: #22c55e;
  --rejected: #ef4444;
  --font: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
}

a { color: var(--accent); text-decoration: none; }

.top-bar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 0.75rem; }
.brand h1 { margin: 0; font-size: 1.25rem; }

.badge {
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-weight: 600;
}
.badge-ok { background: rgba(34, 197, 94, 0.2); color: var(--positive); }
.badge-stale { background: rgba(239, 68, 68, 0.2); color: var(--negative); }
.badge-unknown { background: rgba(100, 116, 139, 0.3); color: var(--muted); }

.header-metrics {
  display: flex;
  gap: 1.5rem;
  flex: 1;
  flex-wrap: wrap;
}

.metric .label {
  display: block;
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.metric .value { font-size: 1.1rem; font-weight: 600; }
.positive { color: var(--positive); }
.negative { color: var(--negative); }

.logout-link {
  margin-left: auto;
  font-size: 0.9rem;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.panel-wide { grid-column: 1 / -1; }

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}

.panel-header h2 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
}

.panel-meta {
  font-size: 0.75rem;
  color: var(--muted);
}

.range-toggle {
  display: flex;
  gap: 0.35rem;
}

.range-button {
  border: 1px solid var(--border);
  background: rgba(15, 20, 25, 0.5);
  color: var(--muted);
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
}

.range-button.active {
  background: rgba(59, 130, 246, 0.2);
  border-color: var(--accent);
  color: var(--text);
}

.chart-container {
  height: 280px;
  padding: 0.5rem;
}

.donut-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 0.75rem 1rem 1rem;
}

.donut-grid h3 {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin: 0 0 0.35rem;
  text-transform: uppercase;
}

.donut-container {
  height: 260px;
}

.table-wrap {
  overflow-x: auto;
  max-height: 420px;
  overflow-y: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

th, td {
  padding: 0.55rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  position: sticky;
  top: 0;
  background: #152030;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
}

tr:hover td { background: rgba(59, 130, 246, 0.06); }

.action-pill {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}
.action-EXECUTED { background: rgba(34, 197, 94, 0.2); color: var(--executed); }
.action-REJECTED { background: rgba(239, 68, 68, 0.2); color: var(--rejected); }
.action-RECEIVED, .action-BATCH_RECEIVED {
  background: rgba(100, 116, 139, 0.25);
  color: var(--received);
}

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
}

.login-card h1 { margin: 0 0 0.25rem; }
.subtitle { color: var(--muted); margin: 0 0 1.5rem; font-size: 0.9rem; }

.login-card label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.login-card input {
  width: 100%;
  margin-bottom: 1rem;
  padding: 0.6rem 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.login-card button {
  width: 100%;
  padding: 0.65rem;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: white;
  font-weight: 600;
  cursor: pointer;
}

.flash {
  padding: 0.6rem 0.75rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}
.flash-error { background: rgba(239, 68, 68, 0.15); color: var(--negative); }

@media (max-width: 960px) {
  .dashboard-grid { grid-template-columns: 1fr; }
  .donut-grid { grid-template-columns: 1fr; }
}