:root {
  --bg:        #0f1117;
  --surface:   #1c1f30;
  --surface-2: #262a44;
  --border:    rgba(255,255,255,0.09);
  --text:      #ecedf3;
  --text-dim:  #a8adc4;
  --text-mute: #848aa6;
  --accent:    #818cf8;
  --good:      #6ee7b7;
  --warn:      #fbbf24;
  --bad:       #f87171;
  --info:      #60a5fa;
  --shadow-1:  0 1px 0 rgba(255,255,255,0.04) inset, 0 8px 24px rgba(0,0,0,0.25);
  --shadow-2:  0 1px 0 rgba(255,255,255,0.05) inset, 0 18px 40px rgba(0,0,0,0.35);
  --radius:    14px;
}

*, *::before, *::after { box-sizing: border-box; }
/* Restore the spec'd behavior of the hidden attribute, which our
   .filterbar .field { display: flex } rule overrides otherwise. */
[hidden] { display: none !important; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0; color: #fff; font-weight: 600; }

/* ------- Topbar ------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  background: linear-gradient(135deg, #1a1d2e 0%, #2a1a3e 100%);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 30;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand h1 { font-size: 18px; letter-spacing: 0.2px; }
.brand-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--good);
  box-shadow: 0 0 12px rgba(110,231,183,0.6);
}
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.cache-pill {
  font-size: 11px; color: var(--text-mute);
  padding: 4px 8px; border-radius: 999px;
  border: 1px solid var(--border); background: rgba(255,255,255,0.02);
}
.cache-pill.hit { color: var(--good); border-color: rgba(110,231,183,0.25); }
.cache-pill.miss { color: var(--info); border-color: rgba(96,165,250,0.25); }

button.ghost, a.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 13px;
  transition: background-color 120ms, border-color 120ms;
}
button.ghost:hover, a.ghost:hover { background: rgba(255,255,255,0.04); text-decoration: none; }
button.primary {
  background: var(--accent); color: #1a1d2e;
  border: 0; padding: 10px 18px; border-radius: 10px; font-weight: 600;
}
button.primary:disabled { opacity: 0.6; cursor: not-allowed; }
button.link {
  background: transparent; border: 0; color: var(--accent);
  padding: 0; margin-left: 6px; font-size: 12px;
}

/* ------- Filter bar ------- */
.filterbar {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: flex-end;
  padding: 16px 32px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 65px;
  z-index: 20;
}
.filterbar .field { display: flex; flex-direction: column; gap: 6px; }
.filterbar label, .field > label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-mute);
}
.filterbar select, .filterbar input[type=text] {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 10px;
  min-width: 140px;
}
.filterbar select[multiple] { padding: 4px; min-height: 36px; }
.filterbar input[type=checkbox] { transform: translateY(2px); margin-right: 6px; }
.period-summary { color: var(--text-dim); font-size: 12px; }

/* ------- Compare-to-prior toggle (replaces bare checkbox) ------- */
.field-toggle { justify-content: flex-end; }
.toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text);
  user-select: none;
  padding-top: 18px; /* align baseline with adjacent field controls */
}
.toggle input { position: absolute; opacity: 0; width: 0; height: 0; }
.toggle-track {
  width: 36px;
  height: 20px;
  background: rgba(255,255,255,0.10);
  border-radius: 999px;
  position: relative;
  transition: background-color 150ms;
}
.toggle-thumb {
  position: absolute;
  top: 2px; left: 2px;
  width: 16px; height: 16px;
  background: #d6d8e3;
  border-radius: 50%;
  transition: transform 150ms, background-color 150ms;
}
.toggle input:checked + .toggle-track { background: var(--accent); }
.toggle input:checked + .toggle-track .toggle-thumb {
  transform: translateX(16px);
  background: #1a1d2e;
}
.toggle input:focus-visible + .toggle-track {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.toggle-text { color: var(--text-dim); }
.toggle input:checked ~ .toggle-text { color: var(--text); }

/* ------- Store picker (compact multiselect popover) ------- */
.store-picker { position: relative; display: inline-block; }
.store-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 10px;
  min-width: 220px;
  font-size: 13px;
  text-align: left;
  transition: border-color 120ms;
}
.store-trigger:hover { border-color: rgba(255,255,255,0.18); }
.store-trigger[aria-expanded="true"] { border-color: var(--accent); }
.store-trigger .caret {
  width: 12px; height: 12px; flex-shrink: 0; color: var(--text-mute);
  transition: transform 150ms;
}
.store-trigger[aria-expanded="true"] .caret { transform: rotate(180deg); }
.store-trigger .pill-count {
  background: var(--accent);
  color: #1a1d2e;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  margin-left: 6px;
}

.store-popover {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  width: 300px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.45), 0 1px 0 rgba(255,255,255,0.05) inset;
  z-index: 50;
  overflow: hidden;
}
.store-popover-head {
  padding: 10px;
  border-bottom: 1px solid var(--border);
}
.store-popover-head input {
  width: 100%;
  padding: 8px 10px;
  font-size: 13px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  min-width: 0;
}
.store-popover-head input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.store-popover-list {
  max-height: 280px;
  overflow-y: auto;
  padding: 4px 0;
}
.store-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  cursor: pointer;
  font-size: 13px;
  user-select: none;
}
.store-row:hover { background: rgba(255,255,255,0.05); }
.store-row input[type=checkbox] {
  accent-color: var(--accent);
  transform: none;
  margin: 0;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}
.store-row .store-row-name { flex: 1; }
.store-row.empty {
  color: var(--text-mute);
  font-style: italic;
  cursor: default;
}
.store-row.empty:hover { background: transparent; }
.store-popover-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 14px;
  border-top: 1px solid var(--border);
  background: rgba(0,0,0,0.18);
}
.store-popover-foot .link {
  margin: 0;
  padding: 4px 0;
  font-size: 12px;
}
.store-popover-hint {
  font-size: 12px;
  color: var(--text-mute);
}

/* segmented control */
.seg {
  display: inline-flex;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 3px;
  gap: 2px;
}
.seg button {
  background: transparent;
  border: 0;
  color: var(--text-dim);
  padding: 6px 12px;
  border-radius: 7px;
  font-size: 12px;
  font-weight: 500;
  transition: background-color 120ms, color 120ms;
}
.seg button:hover { color: var(--text); }
.seg button[aria-pressed="true"] {
  background: var(--accent);
  color: #1a1d2e;
}

/* ------- Container & cards ------- */
.container { max-width: 1500px; margin: 0 auto; padding: 24px 32px 80px; }

.loading-bar {
  height: 3px; background: linear-gradient(90deg, transparent, var(--accent), transparent);
  background-size: 200% 100%;
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  opacity: 0; transition: opacity 200ms;
  pointer-events: none;
}
.loading-bar.active { opacity: 1; animation: shimmer 1.4s linear infinite; }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-1);
  margin-bottom: 22px;
}
.card h2 {
  font-size: 15px; margin-bottom: 8px;
}
.card-sub {
  font-size: 12.5px;
  color: var(--text-dim);
  margin: 0 0 16px;
  line-height: 1.5;
  max-width: 600px;
}
.card-header {
  display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; gap: 12px;
}
.card-tools { display: flex; gap: 8px; }
.chart-wrap { position: relative; min-height: 280px; }

.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-bottom: 22px;
}
.chart-grid > .card { margin-bottom: 0; }

/* ------- Headline (plain-English summary above KPIs) ------- */
.headline {
  margin-bottom: 18px;
}
.headline-window {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-mute);
  margin-bottom: 6px;
}
.headline-text {
  margin: 0;
  font-size: 18px;
  line-height: 1.55;
  color: var(--text);
  max-width: 920px;
}
.headline-text strong { color: #fff; font-weight: 600; }
.delta-inline {
  font-weight: 700;
}
.delta-inline.good { color: var(--good); }
.delta-inline.bad  { color: var(--bad); }

/* ------- KPI tiles ------- */
.kpi-grid {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
}
.kpi-grid.hero {
  /* Always 4 across on wide screens; collapses smoothly. */
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.kpi-grid.secondary {
  /* 4 across on desktop matches the hero row width and keeps tiles paired. */
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 28px;
}
.kpi-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow-1);
  transition: border-color 150ms;
}
.kpi-tile:hover { border-color: rgba(255,255,255,0.16); }
.kpi-tile .label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-mute);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.kpi-tile .value {
  font-size: 34px;
  font-weight: 700;
  color: #fff;
  margin-top: 8px;
  line-height: 1.05;
  letter-spacing: -0.4px;
}
.kpi-tile .sub {
  font-size: 12.5px;
  color: var(--text-dim);
  margin-top: 8px;
  line-height: 1.5;
}
.kpi-tile .sub .delta { margin-right: 4px; }
.kpi-tile.good .value { color: var(--good); }
.kpi-tile.warn .value { color: var(--warn); }
.kpi-tile.info .value { color: var(--info); }
.kpi-tile.accent .value { color: var(--accent); }
.kpi-tile-sm { padding: 16px 18px; }
.kpi-tile-sm .value { font-size: 22px; margin-top: 4px; }
.kpi-tile-sm .sub { font-size: 12px; margin-top: 4px; }

/* Info badge with native-tooltip definitions for analysts. */
.kpi-info {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  color: var(--text-mute);
  font-size: 9px;
  font-weight: 700;
  font-style: italic;
  font-family: 'Georgia', serif;
  cursor: help;
  outline: none;
}
.kpi-info:hover, .kpi-info:focus { background: var(--accent); color: #1a1d2e; }

.delta { font-weight: 600; }
.delta.up   { color: var(--good); }
.delta.down { color: var(--bad); }
.delta.flat { color: var(--text-mute); }

@media (max-width: 1100px) {
  .kpi-grid.hero      { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kpi-grid.secondary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .kpi-grid.hero      { grid-template-columns: 1fr; }
  .kpi-grid.secondary { grid-template-columns: 1fr; }
}

/* ------- Tables ------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 10px 14px; color: var(--text-mute); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: 0.4px; border-bottom: 1px solid var(--border); }
td { padding: 10px 14px; border-bottom: 1px solid rgba(255,255,255,0.03); color: #c0c4d8; }
tr:hover td { background: rgba(255,255,255,0.02); }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: rgba(129,140,248,0.08); }
td .muted { color: var(--text-mute); }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.badge.good { background: rgba(110,231,183,0.15); color: var(--good); }
.badge.warn { background: rgba(251,191,36,0.18); color: var(--warn); }
.badge.bad  { background: rgba(248,113,113,0.18); color: var(--bad); }
.badge.muted{ background: rgba(255,255,255,0.06); color: var(--text-mute); }

/* simple-datatables overrides */
.datatable-wrapper { color: var(--text); }
.datatable-top, .datatable-bottom { padding: 8px 0; color: var(--text-dim); }
.datatable-input, .datatable-selector {
  background: var(--bg) !important;
  color: var(--text) !important;
  border: 1px solid var(--border) !important;
  border-radius: 8px !important;
  padding: 6px 10px !important;
}
.datatable-pagination a { color: var(--text-dim); padding: 4px 10px; border-radius: 6px; }
.datatable-pagination a:hover { background: rgba(255,255,255,0.05); }
.datatable-pagination .active a { background: var(--accent); color: #1a1d2e; }
.datatable-sorter::after { color: var(--text-mute) !important; }

/* ------- Insights ------- */
.insights-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px;
}
.insight-box {
  background: rgba(255,255,255,0.02);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  padding: 14px 16px;
}
.insight-box.good { border-left-color: var(--good); }
.insight-box.warn { border-left-color: var(--warn); }
.insight-box.bad  { border-left-color: var(--bad); }
.insight-box h3 { font-size: 13px; margin: 0 0 6px; }
.insight-box p { font-size: 13px; color: var(--text-dim); margin: 0; line-height: 1.55; }

.alert {
  padding: 10px 14px; border-radius: 10px; font-size: 13px;
  margin-bottom: 12px;
}
.alert.error { background: rgba(248,113,113,0.12); color: var(--bad); border: 1px solid rgba(248,113,113,0.3); }
.alert.warn  { background: rgba(251,191,36,0.12); color: var(--warn); border: 1px solid rgba(251,191,36,0.3); }

/* ------- Footer ------- */
.footer {
  display: flex; justify-content: center; gap: 14px;
  padding: 18px; color: var(--text-mute); font-size: 12px;
  border-top: 1px solid var(--border);
}
.footer .dot { color: var(--border); }

/* ------- Login ------- */
body.login-page {
  background: radial-gradient(ellipse at top, #2a1a3e 0%, var(--bg) 60%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-shell { width: 100%; padding: 32px; }
.login-card {
  width: 100%; max-width: 380px; margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-1);
}
.login-title { font-size: 22px; margin-bottom: 4px; }
.login-sub { color: var(--text-dim); font-size: 14px; margin-bottom: 22px; }
.field { margin-bottom: 14px; display: block; }
.field input[type=password], .field input[type=text] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
}
.field input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.field span { display: block; margin-bottom: 6px; font-size: 12px; color: var(--text-mute); text-transform: uppercase; letter-spacing: 0.5px; }
.login-card button.primary { width: 100%; margin-top: 6px; }

/* ------- Responsive ------- */
@media (max-width: 1100px) {
  .chart-grid { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .topbar { padding: 14px 16px; }
  .filterbar { padding: 14px 16px; gap: 10px; top: 60px; }
  .container { padding: 16px; }
  .kpi-tile .value { font-size: 22px; }
  .filterbar .field { min-width: 0; }
  .filterbar select { min-width: 0; }
}

/* Visually-hidden but available to screen readers */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}