:root {
  --bg: #0b1020;
  --panel: #121831;
  --panel-2: #0f1530;
  --text: #e8ecf8;
  --muted: #9aa3ba;
  --primary: #4f7cff;
  --primary-700: #3f62cc;
  --success: #3ccf91;
  --warning: #ffcc66;
  --danger: #ff6b6b;
  --border: #1f2545;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 800px at 10% 0%, #10173a 0%, var(--bg) 40%);
  color: var(--text);
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: rgba(9, 14, 30, 0.65);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; gap: 12px; align-items: center; }
.brand .logo { font-size: 22px; }
.brand h1 { font-size: 18px; margin: 0; font-weight: 600; letter-spacing: 0.2px; }
.header-actions { display: flex; gap: 8px; }

.icon-btn, .primary-btn, .secondary-btn {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
}
.icon-btn { width: 36px; height: 36px; display: grid; place-items: center; }
.icon-btn#btn-refresh { /* make refresh icon more noticeable */
  width: 48px;
  height: 48px;
  font-size: 20px;
  padding: 6px;
  background: linear-gradient(180deg, var(--primary), var(--primary-700));
  border-color: var(--primary-700);
  box-shadow: 0 8px 24px rgba(79,124,255,0.12);
}
.icon-btn#btn-refresh:hover { transform: translateY(-2px); }
.primary-btn { background: var(--primary); border-color: var(--primary-700); }
.primary-btn:hover { background: var(--primary-700); }
.secondary-btn { background: var(--panel-2); }

.container { max-width: 1280px; margin: 20px auto; padding: 0 16px; }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 12px;
}
.kpi-card {
  background: linear-gradient(180deg, rgba(34, 44, 94, 0.5), rgba(15, 21, 48, 0.9));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
}
.kpi-title { color: var(--muted); font-size: 12px; }
.kpi-value { font-size: 26px; font-weight: 700; margin-top: 6px; word-break: break-word; }

.charts-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.kpi-meta { color: var(--muted); font-size: 12px; margin: 6px 0 10px; }
.chart-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}
.chart-header { font-size: 14px; color: var(--muted); margin-bottom: 8px; }
.chart-card .rotate-hint {
  color: var(--warning);
  font-size: 13px;
  margin: 5px 0 0 0;
  font-style: italic;
  font-weight: 500;
}

.table-card {
  margin-top: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.zone-card { background: linear-gradient(180deg, rgba(32, 53, 120, 0.35), rgba(15, 21, 48, 0.9)); border-color: #2a3f86; }
.zone-card thead th { background: rgba(20, 33, 88, 0.9); }
.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  border-bottom: 1px solid var(--border);
}
.table-header.zone-header {
  background: linear-gradient(180deg, rgba(79,124,255,0.15), rgba(15,21,48,0.9));
}
.table-header .table-controls { display: flex; align-items: center; gap: 8px; color: var(--muted); }
.table-wrapper { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
thead th { font-weight: 600; font-size: 12px; color: var(--muted); text-align: left; padding: 10px 12px; background: #0e1536; position: sticky; top: 0; }
tbody td { padding: 10px 12px; border-top: 1px solid var(--border); font-size: 14px; }
tbody tr:hover { background: rgba(255,255,255,0.03); }

/* Drawer */
.drawer {
  position: fixed;
  right: -380px;
  top: 0;
  height: 100%;
  width: 360px;
  background: #0b112b;
  border-left: 1px solid var(--border);
  box-shadow: -12px 0 40px rgba(0,0,0,0.3);
  transition: right 0.25s ease;
  z-index: 60;
  display: flex;
  flex-direction: column;
}
.drawer.open { right: 0; }
.drawer-header { display: flex; align-items: center; justify-content: space-between; padding: 12px; border-bottom: 1px solid var(--border); }
.drawer-content { padding: 12px; overflow: auto; flex: 1; }
.drawer-footer { padding: 12px; display: flex; justify-content: space-between; gap: 8px; border-top: 1px solid var(--border); }

.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
label { font-size: 12px; color: var(--muted); }
input, select { background: var(--panel); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; min-height: 36px; }
select[multiple] { height: 120px; }
.count-filter { display: grid; grid-template-columns: 100px 1fr; gap: 8px; }

.toast {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 16px;
  background: rgba(15, 21, 48, 0.95);
  color: var(--text);
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(-4px); }

/* Responsive */
@media (max-width: 1100px) {
  .kpi-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .charts-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .charts-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}
@media (max-width: 720px) {
  .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .table-wrapper { overflow-x: auto; }
  .app-header { padding: 10px 12px; }
  .header-actions { gap: 6px; }
  .kpi-value { font-size: 22px; }
}

/* Sortable table headers */
th.sortable { cursor: pointer; user-select: none; }
th.sortable::after { content: ' \25BE'; opacity: 0.35; font-size: 11px; }
th.sortable.sort-asc::after { content: ' \25B4'; }
th.sortable.sort-desc::after { content: ' \25BE'; }


.yellow-divider {
    height: 16px;
    background-color: rgb(48, 48, 8);
    margin: 20px 0; /* adds a bit of spacing above and below */
}