:root {
  --sidebar-width: 280px;

  /* Light theme defaults */
  --bg-app: #ECEBDF;
  --bg-sidebar: #2F3130;
  --bg-card: #F5F2E6;
  --border-default: #D3D0C0;
  --text-primary: #2F3130;
  --text-secondary: #596257;
  --text-muted: #6E7068;

  --color-accent: #8FA83B;
  --color-accent-hover: #9DB747;
  --color-accent-active: #244F4A;
  --color-accent-text: #2F3130;
  --color-accent-rgb: 143, 168, 59;
  --color-accent-alt-rgb: 36, 79, 74;

  --chart-gross: #343636;
  --chart-net: #244F4A;
  --chart-expenses: #8FA83B;
  --chart-profit: #C8C6B5;
  --chart-loss: #5D5E58;

  --space-24: 24px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --shadow-card: 0 8px 24px rgba(47, 49, 48, 0.12);

  /* Backward compatible aliases used across existing views */
  --color-primary: var(--color-accent);
  --color-bg: var(--bg-app);
  --color-card: var(--bg-card);
  --color-border: var(--border-default);
  --color-text-primary: var(--text-primary);
  --color-text-secondary: var(--text-secondary);

  /* Bootstrap token bridge */
  --bs-primary: var(--color-accent);
  --bs-body-bg: var(--bg-app);
  --bs-body-color: var(--text-primary);
  --bs-border-color: var(--border-default);
  --bs-secondary-color: var(--text-muted);
  --bs-card-bg: var(--bg-card);
}

:root[data-theme="dark"] {
  /* Background layers */
  --bg-app: #080909;
  --bg-sidebar: #1F2120;
  --bg-card: #2F3130;

  /* Borders */
  --border-default: #4B4C47;

  /* Text */
  --text-primary: #F2F0E4;
  --text-secondary: #C8C6B5;
  --text-muted: #9A9B91;

  /* Accent */
  --color-accent: #8FA83B;
  --color-accent-hover: #A1BB49;
  --color-accent-active: #244F4A;
  --color-accent-text: #2F3130;
  --color-accent-rgb: 143, 168, 59;
  --color-accent-alt-rgb: 36, 79, 74;

  /* Viz */
  --chart-gross: #C8C6B5;
  --chart-net: #244F4A;
  --chart-expenses: #8FA83B;
  --chart-profit: #C8C6B5;
  --chart-loss: #5D5E58;
  --table-text: #C8C6B5;

  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
}

html {
  font-size: 16px;
  position: relative;
  min-height: 100%;
}

body.app-body {
  font-family: "Inter", "Segoe UI", sans-serif;
  background: var(--bg-app);
  color: var(--text-primary);
  margin: 0;
  overflow-x: hidden;
}

:root[data-theme="dark"] body.app-body {
  background:
    radial-gradient(circle at top, rgba(var(--color-accent-rgb), 0.1), transparent 60%),
    radial-gradient(circle at bottom, rgba(var(--color-accent-alt-rgb), 0.1), transparent 60%),
    var(--bg-app);
}

a {
  color: var(--color-accent);
}

.app-sidebar {
  background: var(--bg-sidebar);
  border-bottom: 1px solid var(--border-default);
  padding: 0.5rem 0.75rem;
}

.app-sidebar .container-fluid {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.5rem;
}

.app-sidebar .navbar-brand {
  font-weight: 700;
  color: var(--text-primary);
  display: block;
  margin: 0;
}

.app-sidebar .nav-item {
  width: 100%;
}

.app-sidebar .nav-link {
  color: var(--text-secondary) !important;
  border-radius: var(--radius-sm);
}

.app-sidebar .nav-link:hover,
.app-sidebar .nav-link:focus {
  color: var(--color-accent) !important;
  background: rgba(var(--color-accent-rgb), 0.16);
}

.app-sidebar .nav-link.active,
.app-sidebar .dropdown-item.active {
  background: rgba(var(--color-accent-rgb), 0.15);
  color: var(--color-accent) !important;
}

.app-sidebar .sidebar-submenu {
  position: static !important;
  inset: auto !important;
  transform: none !important;
  float: none !important;
  width: 100%;
  margin: 0.25rem 0 0.5rem;
  border: 0;
  border-left: 2px solid var(--border-default);
  box-shadow: none;
  background: transparent;
  list-style: none;
  padding: 0.25rem 0 0.25rem 0.75rem;
}

.app-sidebar .sidebar-submenu.show {
  display: block;
}

.app-sidebar .dropdown-item {
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  padding: 0.35rem 0.5rem;
}

.app-sidebar .dropdown-item:hover,
.app-sidebar .dropdown-item:focus {
  color: var(--color-accent);
  background: rgba(var(--color-accent-rgb), 0.16);
}

.sidebar-footer {
  border-top: 1px solid var(--border-default);
  padding-top: 0.75rem;
}

.nav-theme-toggle {
  width: 22px;
  height: 22px;
  border: 1px solid var(--border-default);
  border-radius: 999px;
  background: var(--bg-card);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  line-height: 1;
  padding: 0;
}

.nav-theme-toggle:hover,
.nav-theme-toggle:focus {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.app-main {
  padding: var(--space-24);
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  overflow-x: visible;
}

.app-container {
  max-width: 100%;
  padding-left: 12px;
  padding-right: 12px;
  min-width: 0;
}

.app-content {
  min-height: calc(100vh - 130px);
  max-width: 100%;
  min-width: 0;
  overflow-x: visible;
  padding-bottom: 1px;
}

:root[data-theme="dark"] .main-content {
  background: transparent;
}

.sidebar-rail-toggle {
  position: fixed;
  top: 50vh;
  transform: translateY(-50%);
  left: calc(var(--sidebar-width) - 9px);
  width: 18px;
  height: 72px;
  border: 1px solid var(--border-default);
  border-left: 0;
  border-radius: 0 8px 8px 0;
  background: var(--bg-card);
  color: var(--text-secondary);
  z-index: 1040;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
}

.sidebar-rail-toggle:hover,
.sidebar-rail-toggle:focus {
  color: var(--color-accent);
  background: rgba(var(--color-accent-rgb), 0.16);
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.card-title,
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
}

p,
.text-muted,
.form-label,
label,
small {
  color: var(--text-muted) !important;
}

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

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

.btn-primary:active,
.btn-primary:active:focus {
  background-color: var(--color-accent-active);
  border-color: var(--color-accent-active);
}

.btn-outline-primary {
  border-color: var(--border-default);
  color: var(--text-secondary);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background-color: rgba(var(--color-accent-rgb), 0.16);
  border-color: var(--border-default);
  color: var(--text-secondary);
}

.btn-outline-secondary {
  background: transparent;
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
  background: rgba(var(--color-accent-rgb), 0.08);
  border-color: var(--border-default);
  color: var(--text-secondary);
}

.form-control,
.form-select {
  border-color: var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-primary);
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-control:focus,
.form-select:focus,
.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.2rem rgba(var(--color-accent-rgb), 0.2);
  border-color: var(--color-accent);
}

.table {
  --bs-table-bg: var(--bg-card);
  --bs-table-striped-bg: rgba(148, 163, 184, 0.06);
  --bs-table-border-color: var(--border-default);
  color: var(--table-text, var(--text-primary));
}

.table thead th {
  background: var(--bg-card);
}

:root[data-theme="dark"] .table,
:root[data-theme="dark"] .table thead th,
:root[data-theme="dark"] .table tbody td,
:root[data-theme="dark"] .table tbody th,
:root[data-theme="dark"] .table tfoot th,
:root[data-theme="dark"] .table tfoot td {
  color: var(--table-text);
}

:root[data-theme="dark"] .table .text-muted,
:root[data-theme="dark"] .table small {
  color: var(--table-text) !important;
}

.financial-value {
  font-variant-numeric: tabular-nums;
  text-align: right !important;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-24);
}

.dashboard-col-3 { grid-column: span 3; }
.dashboard-col-4 { grid-column: span 4; }
.dashboard-col-6 { grid-column: span 6; }
.dashboard-col-8 { grid-column: span 8; }
.dashboard-col-12 { grid-column: span 12; }

.dashboard-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-24);
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.dashboard-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
}

.kpi-grid > [class*="dashboard-col-"] {
  display: flex;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: 12px;
  padding: 18px;
  box-shadow: var(--shadow-card);
}

.kpi-grid .stat-card {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 28px;
  font-weight: 600;
  margin-top: 6px;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 13px;
}

.stat-trend {
  font-size: 12px;
  margin-top: 6px;
}

.kpi-grid .stat-trend {
  margin-top: auto;
  padding-top: 6px;
}

.metric-value {
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.5rem;
}

.metric-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.chart-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.chart-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
}

.chart-dot.gross { background: var(--chart-gross); }
.chart-dot.net { background: var(--chart-net); }
.chart-dot.profit { background: var(--chart-profit); }
.chart-dot.loss { background: var(--chart-loss); }
.chart-dot.expenses { background: var(--chart-expenses); }

@media (min-width: 992px) {
  .app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    border-right: 1px solid var(--border-default);
    border-bottom: 0;
    overflow-y: auto;
    z-index: 1030;
    transition: width 0.2s ease, padding 0.2s ease, border-color 0.2s ease;
  }

  .app-main {
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    transition: margin-left 0.2s ease, width 0.2s ease;
  }

  .app-sidebar .navbar-collapse {
    align-items: flex-start;
    display: flex !important;
    flex-direction: column;
    min-height: 0;
  }

  .app-sidebar .navbar-nav {
    width: 100%;
    gap: 0.25rem;
  }

  .app-sidebar .sidebar-footer {
    margin-top: auto !important;
    width: 100%;
  }

  .app-body.sidebar-collapsed .app-sidebar {
    width: 0;
    padding: 0;
    border-right-color: transparent;
    overflow: hidden;
  }

  .app-body.sidebar-collapsed .app-main {
    margin-left: 0;
    width: 100%;
  }

  .app-body.sidebar-collapsed .sidebar-rail-toggle {
    left: 0;
  }
}

@media (max-width: 991.98px) {
  .sidebar-rail-toggle {
    display: none;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-col-3,
  .dashboard-col-4,
  .dashboard-col-6,
  .dashboard-col-8,
  .dashboard-col-12 {
    grid-column: span 1;
  }
}