:root {
  --app-bg: #f6f8fb;
  --app-surface: #ffffff;
  --app-border: #dbe3ea;
  --app-text: #16202a;
  --app-muted: #64748b;
  --app-primary: #0f766e;
  --app-primary-dark: #115e59;
  --app-income: #15803d;
  --app-expense: #dc2626;
  --app-warning: #b45309;
  --app-radius: 8px;
  --app-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

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

body {
  min-height: 100vh;
  margin: 0;
  color: var(--app-text);
  background: var(--app-bg);
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  padding-bottom: 5.5rem;
}

a {
  text-decoration: none;
}

.app-container {
  max-width: 1180px;
}

.app-main {
  padding: 1.2rem 0 2rem;
}

.brand-mark {
  display: inline-grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  color: #fff;
  background: var(--app-primary);
  border-radius: var(--app-radius);
}

.navbar .nav-link {
  display: flex;
  gap: .45rem;
  align-items: center;
  border-radius: var(--app-radius);
}

.navbar .nav-link:hover {
  background: #eef7f5;
}

.app-alert {
  box-shadow: var(--app-shadow);
}

.page-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.page-heading h1 {
  margin: 0;
  font-size: 1.7rem;
  font-weight: 750;
}

.page-heading p {
  margin: .25rem 0 0;
  color: var(--app-muted);
}

.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .75rem;
}

.metric-card,
.auth-card,
.app-form,
.responsive-table-card,
.simple-card,
.empty-state,
.cashflow-card,
.stack-list {
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  box-shadow: var(--app-shadow);
}

.metric-card {
  padding: 1rem;
  border-left: 5px solid var(--app-primary);
}

.metric-card span {
  display: block;
  color: var(--app-muted);
  font-size: .85rem;
}

.metric-card strong {
  display: block;
  margin-top: .3rem;
  font-size: 1.25rem;
}

.metric-card.income { border-color: var(--app-income); }
.metric-card.expense { border-color: var(--app-expense); }
.metric-card.balance { border-color: #2563eb; }
.metric-card.net { border-color: var(--app-warning); }

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 1rem 0 .65rem;
}

.section-title h2 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 750;
}

.wallet-grid,
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(386px, 1fr));
    gap: .85rem;
}

.wallet-card {
  display: flex;
  flex-direction: column;
  gap: .8rem;
  min-height: 150px;
  padding: 1rem;
  color: #fff;
  background: var(--wallet-color, var(--app-primary));
  border-radius: var(--app-radius);
  box-shadow: var(--app-shadow);
}

.wallet-card a {
  display: flex;
  gap: .9rem;
  align-items: flex-start;
  color: inherit;
}

.wallet-card span:first-child {
  display: inline-grid;
  width: 2.6rem;
  height: 2.6rem;
  place-items: center;
  background: rgba(255,255,255,.18);
  border-radius: var(--app-radius);
}

.wallet-card h3,
.simple-card h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 750;
}

.wallet-card p,
.simple-card p {
  margin: .25rem 0 0;
}

.card-actions {
  margin-top: auto;
}

.card-actions.inline {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
}

.simple-card {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .9rem;
}

.card-icon {
  display: inline-grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  flex: 0 0 auto;
  color: #fff;
  border-radius: var(--app-radius);
}

.shadow-icon { background: #d97706; }
.budget-icon { background: #2563eb; }

.stack-list {
  overflow: hidden;
}

.mini-row {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .85rem;
  border-bottom: 1px solid var(--app-border);
}

.mini-row:last-child {
  border-bottom: 0;
}

.mini-row small,
td small {
  display: block;
  color: var(--app-muted);
}

.type-dot {
  width: .75rem;
  height: .75rem;
  border-radius: 999px;
  background: var(--app-primary);
  flex: 0 0 auto;
}

.type-dot.income { background: var(--app-income); }
.type-dot.expense { background: var(--app-expense); }

.auth-shell {
  min-height: calc(100vh - 140px);
  display: grid;
  place-items: center;
  padding: 1rem;
}

.auth-card {
  width: min(100%, 440px);
  padding: 1.25rem;
}

.auth-card h1 {
  margin-bottom: 1rem;
  font-weight: 800;
}

.auth-links {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
}

.app-form {
  padding: 1rem;
}

.app-form.narrow {
  max-width: 540px;
}

.form-control,
.form-select,
.btn {
  border-radius: var(--app-radius);
}

.form-control-lg,
.form-select-lg {
  min-height: 3rem;
}

.filter-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: .65rem;
  align-items: center;
  margin-bottom: 1rem;
  padding: .75rem;
  background: #fff;
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
}

.responsive-table-card {
  overflow-x: auto;
}

.table {
  margin: 0;
}

.table th {
  color: var(--app-muted);
  font-weight: 650;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 220px;
  padding: 1.5rem;
  text-align: center;
}

.empty-state i {
  font-size: 2rem;
  color: var(--app-primary);
}

.empty-state.compact {
  min-height: 80px;
  box-shadow: none;
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.chip {
  display: inline-flex;
  gap: .35rem;
  align-items: center;
  padding: .45rem .65rem;
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
}

.sticky-summary {
  position: sticky;
  top: 70px;
  z-index: 5;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  padding: .75rem;
  margin-bottom: 1rem;
  background: #fff;
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  box-shadow: var(--app-shadow);
}

.cashflow-cards {
  display: none;
}

.cashflow-card {
  padding: .9rem;
  margin-bottom: .75rem;
}

.cashflow-card header {
  display: flex;
  justify-content: space-between;
  margin-bottom: .75rem;
}

.cashflow-grid {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) 1.2fr;
  gap: .4rem .75rem;
}

.cashflow-grid span {
  color: var(--app-muted);
}

.shadow-row {
  background: #fff8e8;
}

.fab-add {
  position: fixed;
  right: 1.1rem;
  bottom: 5rem;
  z-index: 30;
  display: grid;
  width: 3.35rem;
  height: 3.35rem;
  place-items: center;
  color: #fff;
  background: var(--app-primary);
  border-radius: 999px;
  box-shadow: var(--app-shadow);
}

.mobile-bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 25;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: .25rem;
  padding: .45rem .35rem calc(.45rem + env(safe-area-inset-bottom));
  background: rgba(255,255,255,.97);
  border-top: 1px solid var(--app-border);
  box-shadow: 0 -10px 24px rgba(15, 23, 42, .08);
}

.mobile-bottom-nav a {
  display: grid;
  gap: .2rem;
  justify-items: center;
  color: var(--app-muted);
  font-size: .75rem;
}

.mobile-bottom-nav i {
  font-size: 1.1rem;
}

.mobile-bottom-nav .add-slot {
  color: var(--app-primary);
  font-weight: 700;
}

@media (max-width: 767.98px) {
  .page-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .wallet-grid,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .simple-card {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .desktop-only {
    display: none;
  }

  .cashflow-cards {
    display: block;
  }

  .report-filter {
    grid-template-columns: 1fr;
  }
}