:root {
  --bg: #ffffff;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-strong: #ffffff;
  --surface-muted: rgba(95, 76, 255, 0.06);
  --text: #08080f;
  --text-muted: #5d6073;
  --accent: #6f4cff;
  --accent-strong: #2f1b82;
  --accent-soft: rgba(111, 76, 255, 0.12);
  --accent-soft-strong: rgba(111, 76, 255, 0.2);
  --danger: #ef4444;
  --danger-soft: rgba(239, 68, 68, 0.12);
  --line: rgba(12, 13, 24, 0.08);
  --line-strong: rgba(12, 13, 24, 0.14);
  --shadow: 0 24px 60px rgba(16, 18, 34, 0.08);
  --shadow-soft: 0 8px 30px rgba(111, 76, 255, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Inter", "SF Pro Display", "SF Pro Text", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(111, 76, 255, 0.12), transparent 28%),
    radial-gradient(circle at 90% 0%, rgba(134, 92, 255, 0.1), transparent 24%),
    linear-gradient(180deg, #fcfcff 0%, #ffffff 42%, #fbfbfd 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.68), rgba(255, 255, 255, 0.92)),
    radial-gradient(circle at top, rgba(111, 76, 255, 0.08), transparent 30%);
  pointer-events: none;
  backdrop-filter: blur(2px);
}

.page-shell {
  width: min(1440px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 88px;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(320px, 420px) auto minmax(320px, 420px);
  gap: 16px;
  align-items: center;
  margin-bottom: 22px;
  position: sticky;
  top: 12px;
  z-index: 5;
}

.brand-block,
.profile-switcher,
.sync-card,
.screen-tabs,
.panel,
.metric-card,
.chart-card {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px);
}

.brand-block,
.profile-switcher,
.sync-card {
  border-radius: 24px;
  padding: 16px 20px;
}

.eyebrow,
.panel-kicker {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.brand-block h1 {
  margin: 0;
  font-size: 20px;
  letter-spacing: -0.04em;
  font-weight: 700;
}

.profile-label {
  display: block;
  margin-bottom: 10px;
  color: var(--text-muted);
  font-size: 12px;
}

.profile-controls {
  display: flex;
  gap: 10px;
  align-items: center;
}

.profile-controls select {
  flex: 1;
  min-width: 0;
  appearance: none;
  border: 1px solid rgba(17, 17, 23, 0.08);
  border-radius: 14px;
  padding: 12px 14px;
  background: rgba(247, 247, 252, 0.92);
  color: var(--text);
  font: inherit;
}

.profile-button {
  appearance: none;
  border: 1px solid rgba(17, 17, 23, 0.08);
  border-radius: 999px;
  background: rgba(247, 247, 252, 0.92);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  padding: 12px 14px;
  cursor: pointer;
}

.profile-button-danger {
  color: var(--danger);
  background: rgba(255, 245, 245, 0.98);
  border-color: rgba(239, 68, 68, 0.14);
}

.profile-button:disabled {
  opacity: 0.55;
  cursor: default;
}

.screen-tabs {
  display: inline-grid;
  grid-template-columns: repeat(2, auto);
  gap: 8px;
  padding: 8px;
  border-radius: 999px;
}

.screen-tab,
.funnel-switch {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  padding: 12px 18px;
  border-radius: 999px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.screen-tab.is-active,
.funnel-switch.is-active {
  background: linear-gradient(180deg, rgba(111, 76, 255, 0.96), rgba(74, 46, 196, 0.96));
  color: #ffffff;
  box-shadow: 0 12px 30px rgba(111, 76, 255, 0.2);
}

.sync-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.sync-card strong {
  display: block;
  margin-top: 4px;
  font-size: 20px;
  letter-spacing: -0.04em;
}

.sync-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
}

.save-meta {
  margin: 6px 0 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.45;
}

.save-button {
  appearance: none;
  border: 1px solid rgba(17, 17, 23, 0.08);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(111, 76, 255, 0.98), rgba(74, 46, 196, 0.98));
  color: #ffffff;
  font: inherit;
  font-weight: 600;
  padding: 12px 16px;
  cursor: pointer;
  box-shadow: 0 14px 30px rgba(111, 76, 255, 0.18);
}

.save-button:disabled {
  opacity: 0.6;
  cursor: default;
  box-shadow: none;
}

#app {
  display: grid;
}

.screen-panel.hidden {
  display: none;
}

.dashboard-layout {
  display: grid;
  gap: 18px;
}

.dashboard-header {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metric-card,
.chart-card,
label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(250, 249, 255, 0.98));
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.metric-card {
  min-height: 112px;
  justify-content: space-between;
}

.metric-card span {
  display: block;
  color: var(--text-muted);
  font-size: 12px;
}

.metric-card strong {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1;
  letter-spacing: -0.04em;
}

.metric-card.negative strong,
.value-negative {
  color: var(--danger);
}

.metric-card.positive strong,
.value-positive {
  color: var(--accent-strong);
}

.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.chart-card {
  padding: 22px;
  border-radius: var(--radius-lg);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-bottom: 18px;
}

.chart-header h2 {
  margin-bottom: 6px;
  font-size: 28px;
  letter-spacing: -0.04em;
}

.chart-header p {
  margin-bottom: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.55;
}

.chart-total {
  text-align: right;
}

.chart-total span {
  display: block;
  color: var(--text-muted);
  font-size: 12px;
}

.chart-total strong {
  font-size: 26px;
  letter-spacing: -0.04em;
}

.chart-shell {
  width: 100%;
}

.chart-shell svg {
  width: 100%;
  height: auto;
  display: block;
}

.dashboard-tables {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.panel {
  border-radius: var(--radius-xl);
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(111, 76, 255, 0.08), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.94));
  pointer-events: none;
}

.panel > * {
  position: relative;
  z-index: 1;
}

.panel-heading,
.subpanel-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
}

.panel-heading {
  margin-bottom: 20px;
}

.panel-heading h2 {
  margin-bottom: 0;
  font-size: 30px;
  letter-spacing: -0.03em;
  font-weight: 750;
}

.panel-note,
.subpanel-heading p {
  margin-bottom: 0;
  color: var(--text-muted);
  max-width: 62ch;
  line-height: 1.6;
  font-size: 14px;
}

.subpanel {
  margin-top: 18px;
  padding: 22px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(251, 250, 255, 0.92));
  border: 1px solid rgba(12, 13, 24, 0.07);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.settings-shell {
  display: grid;
  gap: 18px;
}

.funnel-tabs {
  display: inline-grid;
  grid-template-columns: repeat(2, auto);
  gap: 8px;
  padding: 8px;
  width: fit-content;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.funnel-screen.hidden {
  display: none;
}

.settings-grid,
.retention-grid,
.metric-grid,
.summary-grid {
  display: grid;
  gap: 14px;
}

.settings-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin-bottom: 18px;
}

.retention-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.metric-grid,
.summary-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 18px;
}

label span {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: -0.01em;
}

input {
  width: 100%;
  border: 1px solid rgba(17, 17, 23, 0.08);
  border-radius: 14px;
  padding: 13px 14px;
  font: inherit;
  color: var(--text);
  background: rgba(247, 247, 252, 0.86);
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(111, 76, 255, 0.12);
  background: #ffffff;
}

.table-wrap {
  overflow: auto;
  margin-top: 16px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: right;
  font-size: 14px;
  white-space: nowrap;
}

th:first-child,
td:first-child {
  text-align: left;
}

thead th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  background: rgba(247, 247, 252, 0.92);
}

.compact-table table,
table.compact-table {
  min-width: 520px;
}

.compact-table th,
.compact-table td {
  padding: 9px 10px;
  font-size: 12px;
}

.compact-matrix table {
  min-width: 1400px;
}

.compact-matrix th,
.compact-matrix td {
  padding: 7px 8px;
  font-size: 11px;
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:hover {
  background: rgba(111, 76, 255, 0.04);
}

.footer-note {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.5;
  margin-top: 18px;
}

.chart-legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.chart-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 13px;
}

.chart-legend-swatch {
  width: 12px;
  height: 12px;
  border-radius: 999px;
}

.hidden {
  display: none;
}

@media (max-width: 1180px) {
  .topbar,
  .dashboard-header,
  .charts-grid,
  .dashboard-tables,
  .settings-grid,
  .metric-grid,
  .summary-grid,
  .retention-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 20px, 1440px);
    padding-top: 18px;
  }

  .topbar,
  .dashboard-header,
  .charts-grid,
  .dashboard-tables,
  .settings-grid,
  .metric-grid,
  .summary-grid,
  .retention-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    position: static;
  }

  .sync-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .profile-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .panel,
  .subpanel,
  .chart-card,
  .brand-block,
  .sync-card {
    padding: 18px;
  }
}