:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --border: #2a2f3a;
  --text: #e6e8ec;
  --muted: #8b93a3;
  --accent: #4f8cff;
  --green: #3ec98f;
  --red: #ff6b6b;
  --amber: #ffb454;
  --chart-blue: #3987e5;
  --chart-orange: #d95926;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  padding: 24px;
}
h1 { font-size: 20px; margin: 0 0 4px; }
.subtitle { color: var(--muted); font-size: 13px; margin-bottom: 16px; }

nav.appnav {
  display: flex;
  gap: 4px;
  max-width: 1100px;
  margin: 0 auto 20px;
  border-bottom: 1px solid var(--border);
}
nav.appnav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  padding: 10px 14px;
  border-bottom: 2px solid transparent;
}
nav.appnav a.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
}
.panel h2 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--muted);
  margin: 0 0 14px;
}
form { display: flex; flex-direction: column; gap: 10px; }
label { font-size: 12px; color: var(--muted); }
input, select {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 14px;
  width: 100%;
}
.row { display: flex; gap: 10px; }
.row > div { flex: 1; }
button {
  margin-top: 4px;
  padding: 9px 14px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.btn-in { background: var(--green); color: #06231a; }
.btn-out { background: var(--red); color: #2a0a0a; }
.btn-secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.btn-delete {
  background: transparent;
  border: 1px solid var(--red);
  color: var(--red);
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  margin-top: 0;
}
.btn-delete:hover { background: rgba(255,107,107,.12); }
.btn-delete:disabled { opacity: .5; cursor: default; }
.error { color: var(--red); font-size: 12px; min-height: 16px; }
.full { grid-column: 1 / -1; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .03em; }
tr:last-child td { border-bottom: none; }
tr.clickable-row { cursor: pointer; }
tr.clickable-row:hover { background: var(--panel-2); }
table a { color: inherit; text-decoration: none; }
table a:hover { color: var(--accent); text-decoration: underline; }
.qty-in { color: var(--green); }
.qty-out { color: var(--red); }
.balance-table td:last-child, .balance-table th:last-child { text-align: right; }
.empty { color: var(--muted); font-size: 13px; padding: 10px 0; }
.badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 600;
}
.badge-in { background: rgba(62,201,143,.15); color: var(--green); }
.badge-out { background: rgba(255,107,107,.15); color: var(--red); }
.low { color: var(--amber); }
.status { font-size: 12px; margin-bottom: 20px; }
.status-ok { color: var(--green); }
.status-error { color: var(--red); }
.hint { color: var(--muted); font-size: 11px; }
.load-more { display: flex; justify-content: center; margin-top: 12px; }

/* KPI stat tiles */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  max-width: 1100px;
  margin: 0 auto 20px;
}
.kpi-tile {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.kpi-label { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.kpi-value { font-size: 24px; font-weight: 600; font-variant-numeric: proportional-nums; }
.kpi-value.warn { color: var(--amber); }

/* Ranked bar chart (sequential, single hue) */
.barchart { display: flex; flex-direction: column; gap: 10px; }
.barchart-row { display: grid; grid-template-columns: 110px 1fr 90px; align-items: center; gap: 10px; }
.barchart-row.clickable { cursor: pointer; border-radius: 6px; padding: 2px 4px; margin: -2px -4px; }
.barchart-row.clickable:hover { background: var(--panel-2); }
.barchart-label {
  font-size: 12px;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.barchart-track {
  background: var(--panel-2);
  border-radius: 4px;
  height: 20px;
  position: relative;
}
.barchart-fill {
  height: 20px;
  max-height: 20px;
  border-radius: 0 4px 4px 0;
  min-width: 2px;
}
.barchart-value {
  font-size: 12px;
  color: var(--muted);
  text-align: right;
  font-variant-numeric: tabular-nums;
}