/* ---------- Design tokens (dark theme) ---------- */
:root {
  --bg: #0b0f17;
  --bg-elev: #111826;
  --bg-card: #131c2c;
  --bg-card-hover: #182338;
  --border: #1f2a3f;
  --border-strong: #2a3a55;
  --text: #e6ecf5;
  --text-dim: #98a4bc;
  --text-mute: #6b7894;
  --accent: #6366f1;
  --accent-2: #8b5cf6;
  --accent-soft: rgba(99, 102, 241, 0.14);
  --good: #22c55e;
  --bad: #ef4444;
  --warn: #f59e0b;
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
  --radius: 12px;
  --radius-sm: 8px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sidebar-w: 280px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  height: 100%;
}

::selection { background: var(--accent-soft); color: var(--text); }

button, input, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  outline: none;
  transition: border-color .15s, background .15s, transform .05s;
}
button { cursor: pointer; user-select: none; }
button:hover { border-color: var(--border-strong); background: var(--bg-card-hover); }
button:active { transform: translateY(1px); }
button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: white;
  font-weight: 600;
}
button.primary:hover { filter: brightness(1.1); }
button:disabled { opacity: .4; cursor: not-allowed; }

input::placeholder { color: var(--text-mute); }
input:focus, select:focus, button:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.icon-btn {
  width: 26px; height: 26px;
  padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px;
  color: var(--text-dim);
}
.show-mobile { display: none; }

/* ---------- Layout ---------- */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
  transition: grid-template-columns .2s ease;
}
.app.sidebar-collapsed {
  grid-template-columns: 0 1fr;
}
.app.sidebar-collapsed .sidebar {
  transform: translateX(-100%);
  pointer-events: none;
  visibility: hidden;
}

.sidebar {
  background: var(--bg-elev);
  border-right: 1px solid var(--border);
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  width: var(--sidebar-w);
  transition: transform .2s ease;
}

.brand { display: flex; gap: 10px; align-items: center; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  position: relative;
  flex-shrink: 0;
}
.brand-mark::after {
  content: ""; position: absolute; inset: 6px;
  border-radius: 6px;
  background: radial-gradient(closest-side, rgba(255,255,255,.25), transparent 70%);
}
.brand-text { flex: 1; min-width: 0; }
.brand-title { font-weight: 700; letter-spacing: .2px; font-size: 14px; }
.brand-sub { color: var(--text-dim); font-size: 11px; margin-top: 1px; }

.filters { display: flex; flex-direction: column; gap: 6px; }

/* ---------- Collapsible filter groups (details/summary) ---------- */
.fgroup {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  overflow: hidden;
}
.fgroup > summary {
  list-style: none;
  cursor: pointer;
  padding: 9px 10px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: center;
  user-select: none;
  font-size: 12.5px;
}
.fgroup > summary::-webkit-details-marker { display: none; }
.fgroup > summary:hover { background: var(--bg-card-hover); }
.fgroup .fgroup-name {
  font-weight: 600;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: 10.5px;
}
.fgroup .fgroup-summary {
  color: var(--text-mute);
  font-size: 11.5px;
  font-family: var(--mono);
  text-align: right;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
.fgroup .fgroup-summary.has-value {
  color: var(--accent);
}
.fgroup .chev {
  width: 10px; height: 10px;
  border-right: 2px solid var(--text-mute);
  border-bottom: 2px solid var(--text-mute);
  transform: rotate(45deg);
  margin-left: 2px;
  transition: transform .15s;
}
.fgroup[open] > summary .chev {
  transform: rotate(-135deg);
}
.fgroup-body {
  padding: 8px 10px 10px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-label {
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--text-mute);
  font-weight: 600;
}

/* ---------- Range presets ---------- */
.range-presets { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; }
.range-presets button { padding: 6px 0; font-size: 12px; }
.range-presets button.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--text);
}
.range-custom { display: grid; grid-template-columns: 1fr; gap: 5px; }
.range-custom input { font-size: 12px; padding: 5px 7px; }

/* ---------- Multi-select with search ---------- */
.ms-toolbar { display: flex; gap: 5px; align-items: center; }
.ms-toolbar input.ms-search {
  flex: 1;
  padding: 5px 8px;
  font-size: 12px;
}
.ms-toolbar button {
  padding: 4px 7px;
  font-size: 11px;
  color: var(--text-dim);
}
.ms-options {
  display: flex;
  flex-direction: column;
  gap: 1px;
  max-height: 220px;
  overflow-y: auto;
  padding: 2px;
  background: var(--bg-elev);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.ms-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 12.5px;
  transition: background .1s;
  user-select: none;
}
.ms-row:hover { background: var(--bg-card-hover); }
.ms-row input { width: 13px; height: 13px; padding: 0; cursor: pointer; }
.ms-row .label {
  flex: 1; min-width: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.ms-row.checked { background: var(--accent-soft); color: var(--text); }
.ms-row.hidden { display: none; }
.ms-empty { color: var(--text-mute); font-size: 11.5px; padding: 8px; text-align: center; }
.ms-stats { color: var(--text-mute); font-size: 11px; padding: 0 4px; display: flex; justify-content: space-between; }

/* ---------- Misc sidebar ---------- */
.actions { display: grid; grid-template-columns: 2fr 1fr; gap: 6px; margin-top: 4px; }
.actions #cache-clear { grid-column: 1 / -1; }
.autorefresh { font-size: 12px; color: var(--text-dim); display: flex; align-items: center; gap: 6px; padding-top: 4px; }

.sidebar-footer { margin-top: auto; padding-top: 10px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 4px; }
.sidebar-foot-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.who { font-size: 11px; color: var(--text-mute); font-family: var(--mono); }
#logout { font-size: 13px; }
#logout:hover { color: var(--bad); }
.health {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-mute);
  display: flex; align-items: center; gap: 6px;
}
.health::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--bad);
  box-shadow: 0 0 8px currentColor;
}
.health.online { color: var(--good); }
.health.online::before { background: var(--good); }

/* ---------- Main ---------- */
.main { padding: 22px 26px 40px; min-width: 0; }
.page-header {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  margin-bottom: 18px;
}
.page-header h1 { margin: 0; font-size: 20px; letter-spacing: .2px; flex: 1; }
.period { color: var(--text-dim); font-family: var(--mono); font-size: 12px; }

.kpi {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}
.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  position: relative;
  overflow: hidden;
}
.kpi-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  opacity: .9;
}
.kpi-label {
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 6px;
}
.kpi-value { font-size: 24px; font-weight: 700; font-variant-numeric: tabular-nums; }

.charts {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 14px;
  margin-bottom: 18px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.card-header {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  margin-bottom: 12px;
}
.card-header h2 { margin: 0; font-size: 13px; color: var(--text-dim); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.badge {
  font-family: var(--mono);
  font-size: 11px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 999px;
  color: var(--text-dim);
}
.inline-select { padding: 4px 8px; font-size: 12px; }

.chart-wrap { position: relative; height: 260px; }
.chart-large .chart-wrap { height: 280px; }

/* ---------- Table ---------- */
.events-card { padding: 14px 16px 8px; }
.events-toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.paginator { display: flex; gap: 6px; align-items: center; font-family: var(--mono); font-size: 12px; }
.paginator select { padding: 4px 8px; }
.paginator button { padding: 4px 10px; }
#page-info { color: var(--text-dim); min-width: 110px; text-align: center; }
#export-csv { padding: 4px 12px; font-size: 12px; font-family: var(--mono); color: var(--text-dim); }
#export-csv:hover { color: var(--text); }

/* ---------- Popover (column picker / GROUP picker) ---------- */
.popover { position: relative; }
.popover > summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 12px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
}
.popover > summary::-webkit-details-marker { display: none; }
.popover > summary:hover { color: var(--text); border-color: var(--border-strong); }
.popover[open] > summary { color: var(--text); border-color: var(--accent); background: var(--accent-soft); }
.popover .badge {
  font-family: var(--mono);
  font-size: 10.5px;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--bg-card);
  color: var(--text-dim);
}
.popover[open] .badge { color: var(--accent); }

.popover-body {
  position: absolute;
  z-index: 20;
  top: calc(100% + 6px);
  right: 0;
  min-width: 220px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 6px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 1px;
  max-height: 360px;
  overflow-y: auto;
}
.col-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 12.5px;
  font-family: var(--mono);
  user-select: none;
}
.col-row:hover { background: var(--bg-card-hover); }
.col-row input { width: 13px; height: 13px; padding: 0; cursor: pointer; }
.col-row.checked { color: var(--text); }
.col-row .label { flex: 1; }
.col-actions {
  display: flex;
  gap: 4px;
  padding: 4px 0 2px;
  margin-top: 4px;
  border-top: 1px solid var(--border);
}
.col-actions button { flex: 1; padding: 4px 6px; font-size: 11px; color: var(--text-dim); }

.table-wrap { overflow-x: auto; }
.events-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
  font-family: var(--mono);
}
.events-table th, .events-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.events-table th {
  position: sticky; top: 0;
  background: var(--bg-card);
  color: var(--text-mute);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: 10.5px;
}
.events-table tbody tr:hover { background: var(--bg-card-hover); }
.events-table .num { text-align: right; }
.muted { color: var(--text-mute); text-align: center; padding: 24px; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; right: 20px; bottom: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  font-size: 13px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .2s, transform .2s;
  pointer-events: none;
  max-width: 380px;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { border-color: var(--bad); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .kpi { grid-template-columns: repeat(2, 1fr); }
  .charts { grid-template-columns: 1fr; }
}
@media (max-width: 800px) {
  .show-mobile { display: inline-flex; margin-right: 8px; }
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    z-index: 30;
    height: 100vh;
    width: min(86vw, 320px);
    transform: translateX(-100%);
    box-shadow: var(--shadow);
  }
  .app.sidebar-open .sidebar {
    transform: translateX(0);
  }
}

/* ---------- Login page ---------- */
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(1200px 600px at 20% 0%, rgba(99, 102, 241, 0.10), transparent 60%),
    radial-gradient(800px 500px at 100% 100%, rgba(139, 92, 246, 0.08), transparent 60%),
    var(--bg);
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 26px 22px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  overflow: hidden;
}
.login-card::before {
  content: "";
  position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.login-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.login-title {
  margin: 4px 0 -4px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .2px;
}
.login-sub {
  margin: 0;
  font-size: 12.5px;
  color: var(--text-dim);
  line-height: 1.5;
}
.login-sub code,
.login-foot code {
  font-family: var(--mono);
  font-size: 11.5px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--text);
}
.login-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.login-field > span {
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-mute);
  font-weight: 600;
}
.login-field > input {
  padding: 10px 12px;
  font-size: 14px;
}
.login-error {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.45);
  color: #fca5a5;
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 12.5px;
}
.login-submit {
  padding: 11px 14px;
  font-size: 14px;
  margin-top: 4px;
}
.login-foot {
  margin-top: 6px;
  font-size: 11.5px;
  color: var(--text-mute);
  line-height: 1.5;
  text-align: center;
}

/* ---------- Scrollbars ---------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #243049; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: #324363; }
::-webkit-scrollbar-track { background: transparent; }