:root {
  --bg: #0f1420;
  --panel: #171d2e;
  --panel-border: #262d40;
  --text: #e8ebf5;
  --text-dim: #9aa3bd;
  --accent: #5b8def;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  border-bottom: 1px solid var(--panel-border);
}

.topbar h1 {
  font-size: 18px;
  margin: 0;
  font-weight: 600;
}

.topbar .subtitle {
  color: var(--text-dim);
  font-size: 13px;
  margin-top: 2px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-dim);
}

button.logout {
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--text);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}
button.logout:hover { border-color: var(--accent); color: var(--accent); }

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 28px 60px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.kpi-card .kpi-label {
  color: var(--text-dim);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kpi-card .kpi-value {
  font-size: 26px;
  font-weight: 700;
  margin-top: 6px;
}

.utilization-bar {
  height: 6px;
  background: #262d40;
  border-radius: 3px;
  margin-top: 10px;
  overflow: hidden;
}
.utilization-bar-fill {
  height: 100%;
  width: 0%;
  border-radius: 3px;
  transition: width 0.4s ease;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
}

.panel h2 {
  font-size: 15px;
  margin: 0 0 16px;
  font-weight: 600;
}

.chart-wrap {
  position: relative;
  height: 320px;
}

.breakdown-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--panel-border);
  font-size: 14px;
}
.breakdown-row:last-child { border-bottom: none; }

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.breakdown-label { flex: 1; color: var(--text); }
.breakdown-value { font-weight: 600; }

.two-col {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 20px;
}
@media (max-width: 800px) {
  .two-col { grid-template-columns: 1fr; }
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table th, table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--panel-border);
}
table th {
  color: var(--text-dim);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.03em;
}

.empty-state {
  color: var(--text-dim);
  font-size: 13px;
  padding: 12px 0;
}

#loading-state {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60vh;
  color: var(--text-dim);
}

#global-error {
  display: none;
  background: #3a1a1a;
  border: 1px solid #eb5757;
  color: #ffb3b3;
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 13px;
}