:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --ink: #1f2933;
  --muted: #697586;
  --line: #d9dee7;
  --accent: #1d4ed8;
  --accent-dark: #1e40af;
  --soft: #eff6ff;
  --danger: #dc2626;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.45 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button, input, select, textarea { font: inherit; }

button {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  min-height: 34px;
  padding: 0 12px;
}

button:hover { border-color: var(--accent); color: var(--accent-dark); }

.sso-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.sso-avatar { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; background: #ddd; }
.sso-name { font-weight: 600; font-size: 14px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  background: #fff;
  flex-wrap: wrap;
}

.eyebrow { margin: 0 0 2px; color: var(--accent-dark); font-size: 12px; font-weight: 700; text-transform: uppercase; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: 22px; }
h2 { font-size: 14px; font-weight: 700; }

.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

.workspace { padding: 18px; display: flex; flex-direction: column; gap: 18px; }
.status-bar { color: var(--muted); font-size: 13px; }

/* KPI row */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.kpi-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.kpi-label { font-size: 11px; font-weight: 700; text-transform: uppercase; color: var(--muted); }
.kpi-value { font-size: 22px; font-weight: 700; color: var(--ink); }

/* Reports grid */
.reports-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.report-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.report-card.wide {
  grid-column: 1 / -1;
}

/* Bar chart */
.bar-chart { display: flex; flex-direction: column; gap: 8px; }
.bar-row { display: grid; grid-template-columns: 120px 1fr 60px; gap: 8px; align-items: center; }
.bar-label { font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-track { height: 10px; background: #f1f5f9; border-radius: 5px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); border-radius: 5px; transition: width 0.3s; }
.bar-count { font-size: 12px; text-align: right; color: var(--muted); }
.chart-empty { color: var(--muted); font-size: 13px; text-align: center; padding: 16px 0; }

/* Table */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  text-align: left;
  padding: 8px 10px;
  background: #f8fafc;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
}

tbody td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--soft); }

.status-badge { font-size: 11px; font-weight: 700; text-transform: uppercase; }
#emptyInvoices { text-align: center; color: var(--muted); padding: 24px; }

[hidden] { display: none; }

@media (max-width: 1100px) {
  .kpi-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .kpi-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .reports-grid { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; align-items: stretch; }
  .bar-row { grid-template-columns: 90px 1fr 50px; }
}