:root {
  --csi-font-family: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --csi-bg: #f3f6fa;
  --csi-surface: #ffffff;
  --csi-surface-muted: #f8fafc;
  --csi-surface-subtle: #eef4ff;
  --csi-text: #172033;
  --csi-heading: #0f172a;
  --csi-muted: #64748b;
  --csi-muted-strong: #475569;
  --csi-border: #d9e2ec;
  --csi-border-strong: #c7d2df;
  --csi-primary: #2563eb;
  --csi-primary-dark: #1d4ed8;
  --csi-primary-soft: #dbeafe;
  --csi-purple: #455fa9;
  --csi-purple-dark: #32467f;
  --csi-purple-soft: #edf0ff;
  --csi-success: #168a4a;
  --csi-success-soft: #dcfce7;
  --csi-warning: #b7791f;
  --csi-warning-soft: #fff7ed;
  --csi-danger: #dc2626;
  --csi-danger-soft: #fee2e2;
  --csi-radius: 8px;
  --csi-shadow: 0 10px 28px rgba(15, 23, 42, 0.07);
  --csi-shadow-soft: 0 1px 2px rgba(15, 23, 42, 0.06);
  --csi-focus: 0 0 0 3px rgba(37, 99, 235, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--csi-bg);
  color: var(--csi-text);
  font-family: var(--csi-font-family);
  min-height: 100vh;
}

a {
  color: var(--csi-primary);
}

a:hover {
  color: var(--csi-primary-dark);
}

:focus-visible {
  outline: 0;
  box-shadow: var(--csi-focus);
}

.container,
.container-fluid {
  max-width: 100%;
}

.csi-page-shell {
  width: min(100%, 1440px);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.csi-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  background: var(--csi-surface);
  border: 1px solid var(--csi-border);
  border-radius: var(--csi-radius);
  box-shadow: var(--csi-shadow-soft);
}

.csi-page-header h1,
.csi-page-header h2,
.csi-page-header h3 {
  margin: 0;
  color: var(--csi-heading);
  font-weight: 750;
  letter-spacing: 0;
}

.csi-page-header p {
  margin: 4px 0 0;
  color: var(--csi-muted);
  line-height: 1.45;
}

.csi-surface,
.card,
.chart-panel,
.filters-panel,
.table-section,
.kpi-card,
.kpi-bar-card,
.table-card {
  background: var(--csi-surface);
  border: 1px solid var(--csi-border) !important;
  border-radius: var(--csi-radius) !important;
  box-shadow: var(--csi-shadow-soft);
}

.card-header {
  background: var(--csi-surface-muted);
  border-bottom-color: var(--csi-border);
  color: var(--csi-heading);
}

.card-body {
  color: var(--csi-text);
}

.btn {
  border-radius: 7px;
  font-weight: 700;
  letter-spacing: 0;
}

.btn-primary {
  background: var(--csi-primary);
  border-color: var(--csi-primary);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--csi-primary-dark);
  border-color: var(--csi-primary-dark);
}

.btn-success {
  background: var(--csi-success);
  border-color: var(--csi-success);
}

.btn-warning {
  background: #d99b2b;
  border-color: #d99b2b;
  color: #1f2937;
}

.btn-outline-secondary,
.btn-secondary {
  border-color: var(--csi-border-strong);
}

.form-control,
.form-select,
.Select-control,
.dash-dropdown .Select-control,
.dash-core-components .Select-control {
  min-height: 38px;
  border-color: var(--csi-border-strong) !important;
  border-radius: 7px !important;
  background: var(--csi-surface) !important;
  color: var(--csi-text);
  box-shadow: none;
}

.form-control:focus,
.form-select:focus,
.Select.is-focused > .Select-control {
  border-color: var(--csi-primary) !important;
  box-shadow: var(--csi-focus) !important;
}

label,
.form-label,
.control-label {
  color: var(--csi-muted-strong);
  font-weight: 700;
  letter-spacing: 0;
}

.table {
  color: var(--csi-text);
  border-color: var(--csi-border);
}

.table th {
  background: var(--csi-surface-muted);
  color: var(--csi-muted-strong);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.table td,
.table th {
  border-color: var(--csi-border) !important;
  vertical-align: middle;
}

.dash-table-container .dash-spreadsheet-container .dash-spreadsheet-inner th {
  background: var(--csi-surface-muted) !important;
}

.alert {
  border-radius: var(--csi-radius);
  border-width: 1px;
  box-shadow: none;
}

.alert-warning {
  background: var(--csi-warning-soft);
  border-color: #fed7aa;
  color: #7c4a03;
}

.alert-success {
  background: var(--csi-success-soft);
  border-color: #bbf7d0;
  color: #14532d;
}

.alert-info {
  background: var(--csi-primary-soft);
  border-color: #bfdbfe;
  color: #1e3a8a;
}

.alert-danger {
  background: var(--csi-danger-soft);
  border-color: #fecaca;
  color: #7f1d1d;
}

.badge {
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: 0;
}

.csi-app-navbar.navbar {
  position: sticky;
  top: 0;
  z-index: 5000;
  min-height: 64px;
  padding: 0;
  background: var(--csi-purple) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 10px 22px rgba(50, 70, 127, 0.24);
}

.csi-app-navbar .container {
  max-width: 100%;
  padding: 0 24px;
}

.csi-app-navbar__brand.navbar-brand {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0;
  margin-right: 22px;
}

.csi-app-navbar__brand.navbar-brand:hover,
.csi-app-navbar__brand.navbar-brand:focus {
  color: #ffffff;
}

.csi-app-navbar__links.navbar-nav {
  align-items: center;
  gap: 4px;
}

.csi-app-navbar__right {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
}

.csi-app-navbar__link.nav-link,
.csi-app-navbar__dropdown .nav-link,
.csi-app-navbar__logout {
  color: #ffffff !important;
  border: 0;
  border-radius: 7px;
  background: transparent;
  padding: 8px 10px;
  font-size: 0.9rem;
  font-weight: 750;
  line-height: 1.2;
  text-decoration: none;
}

.csi-app-navbar__link.nav-link:hover,
.csi-app-navbar__link.nav-link:focus,
.csi-app-navbar__dropdown .nav-link:hover,
.csi-app-navbar__dropdown .nav-link:focus,
.csi-app-navbar__logout:hover,
.csi-app-navbar__logout:focus {
  color: #ffffff !important;
  background: rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.csi-app-navbar__user {
  max-width: 260px;
  overflow: hidden;
  color: #e6eaff;
  font-size: 0.86rem;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.csi-app-navbar__separator {
  color: rgba(255, 255, 255, 0.45);
  padding: 0 2px;
}

.csi-app-navbar .dropdown-menu {
  border-color: var(--csi-border);
  border-radius: var(--csi-radius);
  box-shadow: 0 16px 34px rgba(50, 70, 127, 0.22);
}

.csi-app-navbar .dropdown-item {
  color: var(--csi-purple-dark);
  font-weight: 650;
}

.csi-app-navbar .dropdown-item:hover {
  color: var(--csi-purple-dark);
  background: var(--csi-purple-soft);
}

.auth-page {
  min-height: calc(100vh - 64px);
  display: grid;
  place-items: start center;
  padding: 56px 16px;
  background: radial-gradient(circle at top left, rgba(37, 99, 235, 0.08), transparent 32rem), var(--csi-bg);
}

.auth-card-wrap {
  width: min(100%, 460px);
}

.auth-card__brand {
  margin-bottom: 12px;
  color: var(--csi-primary);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
}

.auth-card {
  border: 1px solid var(--csi-border) !important;
  border-radius: var(--csi-radius) !important;
  box-shadow: var(--csi-shadow);
}

.auth-card .card-body {
  padding: 26px;
}

.auth-card__title {
  margin: 0 0 8px;
  color: var(--csi-heading);
  font-size: 1.45rem;
  font-weight: 800;
}

.auth-card__copy {
  margin: 0 0 18px;
  color: var(--csi-muted);
  line-height: 1.45;
}

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

.chart-card {
  height: 60vh !important;
}

.chart-card .card-body {
  padding: 0.75rem !important;
  height: 100% !important;
}

.chart-panel .js-plotly-plot,
.kpi-card-wrapper .js-plotly-plot {
  height: 100% !important;
}

.filters-column {
  padding-left: 6px !important;
  padding-right: 6px !important;
}

.kpi-stack {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 1rem !important;
  align-items: stretch !important;
}

.kpi-stack > [class*="col-"] {
  flex: 1 1 0 !important;
  min-width: 200px !important;
}

.kpi-card.h-100 {
  display: flex !important;
  flex-direction: column !important;
  height: 100% !important;
}

.combined-deep-dive-kpi.chart-panel {
  min-height: 210px !important;
  padding: 12px !important;
}

.combined-deep-dive-kpi .card-body {
  padding: 0.25rem 0.5rem !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
}

.combined-deep-dive-kpi h4 {
  text-align: center !important;
}

.navbar,
.sticky-top {
  z-index: 5000 !important;
}

#combined-comparison-filters_container .Select,
#combined-comparison-filters_container .Select-menu-outer {
  z-index: 6000 !important;
}

@media (max-width: 900px) {
  .csi-app-navbar .container {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding: 10px 16px;
  }

  .csi-app-navbar__links.navbar-nav,
  .csi-app-navbar__right {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .csi-app-navbar__user {
    max-width: min(72vw, 320px);
  }

  .csi-page-shell,
  .page-wrapper {
    padding-left: 16px;
    padding-right: 16px;
  }

  .csi-page-header {
    flex-direction: column;
  }
}