:root {
  --ink: #10213a;
  --ink-2: #233753;
  --muted: #5b6c80;
  --brand: #0d5c54;
  --brand-2: #19726a;
  --accent: #f5c543;
  --accent-2: #fff0c2;
  --danger: #b42318;
  --danger-2: #f04438;
  --on-brand: #ffffff;
  --chart-track: rgba(13, 92, 84, 0.12);
  --bg: #fffbf5;
  --card: #ffffff;
  --card-2: #fffaf7;
  --border: #e8ddd3;
  --shadow: 0 18px 45px rgba(16, 29, 48, 0.12);
  --radius: 18px;
  --radius-sm: 12px;
  --focus: 0 0 0 3px rgba(245, 197, 67, 0.55);
  --font-body: "Atkinson Hyperlegible", "Lexend", system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

:root[data-theme="dark"] {
  --ink: #eef2f7;
  --ink-2: #cbd6e2;
  --muted: #9fb0c3;
  --brand: #5fd1bf;
  --brand-2: #3bb39e;
  --accent: #f5c543;
  --accent-2: #fff0c2;
  --danger: #ffb4ab;
  --danger-2: #ff7b6f;
  --chart-track: rgba(95, 209, 191, 0.12);
  --bg: #0b1117;
  --card: #111b24;
  --card-2: #0e1720;
  --border: #223041;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.45);
  --focus: 0 0 0 3px rgba(245, 197, 67, 0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --ink: #eef2f7;
    --ink-2: #cbd6e2;
    --muted: #9fb0c3;
    --brand: #5fd1bf;
    --brand-2: #3bb39e;
    --accent: #f5c543;
    --accent-2: #fff0c2;
    --danger: #ffb4ab;
    --danger-2: #ff7b6f;
    --chart-track: rgba(95, 209, 191, 0.12);
    --bg: #0b1117;
    --card: #111b24;
    --card-2: #0e1720;
    --border: #223041;
    --shadow: 0 18px 45px rgba(0, 0, 0, 0.45);
    --focus: 0 0 0 3px rgba(245, 197, 67, 0.4);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1100px 600px at 12% -10%, rgba(13, 92, 84, 0.12), transparent),
    radial-gradient(900px 520px at 100% 0%, rgba(245, 197, 67, 0.15), transparent),
    radial-gradient(900px 520px at 20% 110%, rgba(245, 197, 67, 0.12), transparent),
    var(--bg);
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: var(--font-body);
  font-weight: 700;
  margin: 0 0 0.6rem;
  letter-spacing: -0.02em;
}

h1 {
  line-height: 1.05;
}

p {
  margin: 0 0 1rem;
  color: var(--ink-2);
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 0.5rem;
  padding: 0.6rem 0.9rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  transform: translateY(-200%);
  transition: transform 0.2s ease;
  z-index: 50;
}

.skip-link:focus {
  transform: translateY(0);
  outline: none;
  box-shadow: var(--focus);
}

.app-header {
  position: sticky;
  top: 0;
  background: rgba(255, 251, 245, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 20;
}

:root[data-theme="dark"] .app-header {
  background: rgba(11, 17, 23, 0.86);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 0.8rem 0;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
}

.brand-name {
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.25rem;
}

.nav-links a {
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  color: var(--ink-2);
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-links a:hover {
  text-decoration: none;
  background: rgba(13, 92, 84, 0.1);
  color: var(--ink);
}

.nav-links a.active {
  background: rgba(13, 92, 84, 0.14);
  color: var(--ink);
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--ink);
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--ink);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

.theme-label {
  font-size: 0.9rem;
}

.banner {
  background: rgba(245, 197, 67, 0.18);
  border-bottom: 1px solid rgba(245, 197, 67, 0.35);
  color: var(--ink);
}

.banner-inner {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.6rem 0;
}

.main {
  padding: 2rem 0 3rem;
}

.page-hero {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin: 0 0 1.5rem;
}

.lede {
  margin: 0;
  color: var(--ink-2);
  max-width: 56ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.grid {
  display: grid;
  gap: 1.25rem;
}

.summary-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin: 1rem 0 1.75rem;
}

.charts-grid {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.settings-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.section {
  margin: 2rem 0 0;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.8rem;
  margin: 0 0 0.8rem;
}

.card {
  background: linear-gradient(180deg, var(--card), var(--card-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card-head {
  padding: 1.2rem 1.2rem 0;
}

.card-body {
  padding: 1.2rem;
}

.summary-card .kicker {
  margin: 0 0 0.25rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.summary-card .value {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.03em;
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 0.92rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(16, 29, 48, 0.12);
}

.button:focus {
  outline: none;
  box-shadow: var(--focus);
}

.button.primary {
  background: linear-gradient(180deg, var(--brand-2), var(--brand));
  color: var(--on-brand);
  border-color: rgba(13, 92, 84, 0.25);
}

.button.secondary {
  background: rgba(13, 92, 84, 0.12);
  border-color: rgba(13, 92, 84, 0.25);
}

.button.subtle {
  background: transparent;
  border-color: var(--border);
  color: var(--ink-2);
}

.button.danger {
  background: rgba(240, 68, 56, 0.12);
  border-color: rgba(240, 68, 56, 0.25);
  color: var(--ink);
}

.notice {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(13, 92, 84, 0.22);
  background: rgba(13, 92, 84, 0.08);
}

.notice-link {
  font-weight: 700;
  color: var(--ink);
  text-decoration: underline;
}

.form {
  margin: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field label {
  font-weight: 700;
  color: var(--ink);
}

.field input,
.field select {
  font: inherit;
  padding: 0.7rem 0.8rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--ink);
}

.field input:focus,
.field select:focus,
.theme-toggle:focus,
.menu-toggle:focus {
  outline: none;
  box-shadow: var(--focus);
}

.hint {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.field-error {
  margin: 0;
  font-size: 0.9rem;
  color: var(--danger-2);
}

.field.has-error input,
.field.has-error select {
  border-color: rgba(240, 68, 56, 0.55);
}

.form-errors {
  border: 1px solid rgba(240, 68, 56, 0.35);
  background: rgba(240, 68, 56, 0.08);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  margin: 0 0 1rem;
}

.form-errors p {
  margin: 0 0 0.3rem;
  color: var(--ink);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.segmented {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.segmented-button {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--ink-2);
  border-radius: 999px;
  padding: 0.55rem 0.85rem;
  font: inherit;
  font-weight: 700;
}

.segmented-button[aria-pressed="true"] {
  background: rgba(13, 92, 84, 0.14);
  color: var(--ink);
}

.filters-custom {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.9rem;
}

.table-wrap {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

.table caption {
  text-align: left;
  font-weight: 700;
  padding: 0 0 0.6rem;
  color: var(--ink);
}

.table th,
.table td {
  text-align: left;
  padding: 0.75rem 0.6rem;
  border-top: 1px solid var(--border);
  vertical-align: top;
}

.table th {
  color: var(--ink);
}

.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.25rem 0.6rem;
  font-weight: 700;
  font-size: 0.85rem;
  background: rgba(13, 92, 84, 0.1);
  color: var(--ink);
}

.pill.income {
  background: rgba(245, 197, 67, 0.25);
}

.txn-cards {
  display: none;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 0.9rem;
}

.txn-card {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  display: grid;
  gap: 0.35rem;
}

:root[data-theme="dark"] .txn-card {
  background: rgba(17, 27, 36, 0.55);
}

.txn-card-head {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
}

.txn-card strong {
  color: var(--ink);
}

.txn-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.icon-button {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 999px;
  padding: 0.35rem 0.6rem;
  font: inherit;
  font-weight: 700;
  color: var(--ink-2);
}

.icon-button:hover {
  background: rgba(13, 92, 84, 0.1);
}

.icon-button:focus {
  outline: none;
  box-shadow: var(--focus);
}

.chart {
  width: 100%;
  min-height: 220px;
}

.chart svg {
  display: block;
  color: var(--ink);
}

.chart svg text {
  fill: currentColor;
}

.chart .chart-axis {
  stroke: var(--border);
}

.chart .chart-bar-track {
  fill: var(--chart-track);
}

.chart .chart-bar-fill {
  fill: var(--brand-2);
}

.chart .chart-income {
  stroke: var(--brand-2);
}

.chart .chart-expense {
  stroke: var(--accent);
}

.details {
  margin-top: 0.9rem;
}

.details summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--ink);
}

.details-body {
  margin-top: 0.75rem;
}

.legend {
  margin: 0.25rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.legend-line {
  width: 22px;
  height: 0;
  border-top: 3px solid var(--brand-2);
  display: inline-block;
  transform: translateY(-1px);
}

.legend-line.expense {
  border-top-color: var(--accent);
  border-top-style: dashed;
}

.legend-line.income {
  border-top-color: var(--brand-2);
}

.recent-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.8rem;
}

.recent-item {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 0.75rem;
  align-items: baseline;
}

.recent-item + .recent-item {
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
}

.recent-amount {
  font-weight: 700;
  color: var(--ink);
}

.budget-note {
  margin-top: 0.9rem;
}

.budget-grid {
  display: grid;
  gap: 1rem;
}

.budget-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
}

.progress-list {
  display: grid;
  gap: 0.9rem;
}

.progress-row {
  display: grid;
  gap: 0.35rem;
}

.progress-top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
}

.progress-bar {
  height: 10px;
  border-radius: 999px;
  background: rgba(13, 92, 84, 0.12);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--brand-2), var(--brand));
}

.progress-fill.overspent {
  background: linear-gradient(90deg, var(--danger-2), var(--danger));
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.stack {
  display: grid;
  gap: 0.75rem;
}

.toast-stack {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  width: min(360px, calc(100% - 2rem));
  display: grid;
  gap: 0.75rem;
  z-index: 60;
}

.toast {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.94);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 0.85rem 1rem;
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  justify-content: space-between;
}

:root[data-theme="dark"] .toast {
  background: rgba(17, 27, 36, 0.94);
}

.toast p {
  margin: 0;
  color: var(--ink);
}

.app-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 2.5rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
  align-items: baseline;
}

@media (max-width: 820px) {
  .header-inner {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--card);
    border-bottom: 1px solid var(--border);
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.9rem 0.8rem 1rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    width: 100%;
    text-align: left;
  }
}

@media (max-width: 820px) {
  .table-wrap {
    display: none;
  }

  .txn-cards {
    display: grid;
  }
}

@media (max-width: 520px) {
  .recent-item {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
  }
}