:root {
  color-scheme: light;
  --bg: #f7f9f7;
  --surface: #ffffff;
  --surface-soft: #eef5f2;
  --text: #1d2523;
  --muted: #63706c;
  --line: #dce6e1;
  --primary: #0f8b8d;
  --primary-dark: #08666a;
  --coral: #ef6f6c;
  --gold: #e2a326;
  --green: #2b9a66;
  --shadow: 0 18px 42px rgba(24, 42, 38, 0.12);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #151817;
  --surface: #202624;
  --surface-soft: #1b302e;
  --text: #eef5f2;
  --muted: #a9b9b4;
  --line: #32403c;
  --shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-header {
  position: relative;
  overflow: hidden;
  min-height: 680px;
  color: #fff;
  background: #16201e;
}

.header-art {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(13, 24, 22, 0.92), rgba(13, 24, 22, 0.5), rgba(13, 24, 22, 0.18)),
    url("assets/budget-banner.png") center / cover;
}

.topbar,
.hero,
main,
footer {
  position: relative;
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
}

.brand,
.topbar-actions,
.field-row,
.button-row,
.panel-heading {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  color: inherit;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  position: relative;
  display: inline-block;
  flex: 0 0 auto;
  width: 46px;
  height: 42px;
}

.brand-sheet {
  position: absolute;
  top: 0;
  left: 9px;
  width: 26px;
  height: 30px;
  border-radius: 8px;
  border: 2px solid #10262c;
  background: #fff;
}

.brand-sheet::before {
  content: "";
  position: absolute;
  right: -2px;
  top: -2px;
  width: 11px;
  height: 11px;
  background: #26a943;
  clip-path: polygon(0 0, 100% 100%, 0 100%);
}

.brand-sheet::after {
  content: "";
  position: absolute;
  left: 6px;
  bottom: 6px;
  width: 14px;
  height: 10px;
  background: linear-gradient(90deg, #5fc86a 0 30%, transparent 30% 38%, #31aa4f 38% 68%, transparent 68% 76%, #118b38 76%);
}

.brand-wallet {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 43px;
  height: 24px;
  border-radius: 8px;
  background: linear-gradient(135deg, #12333a, #0e6f3b);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.brand-wallet::after {
  content: "";
  position: absolute;
  right: -2px;
  top: 7px;
  width: 15px;
  height: 12px;
  border-radius: 999px 4px 4px 999px;
  background: #26a943;
}

.wordmark {
  font-size: 1.15rem;
  letter-spacing: 0;
}

.wordmark span,
.wordmark small {
  color: #2dcb58;
}

.wordmark small {
  margin-left: 2px;
  font-size: 0.82em;
}

.topbar-actions {
  gap: 10px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 40px;
  align-items: center;
  padding: 76px 0 96px;
}

.eyebrow {
  margin: 0 0 12px;
  color: #9de0d9;
  font-size: 0.83rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 18px;
  font-size: clamp(2.45rem, 7vw, 5rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: 1rem;
}

.hero-copy {
  max-width: 600px;
  color: #d7e4df;
  font-size: 1.12rem;
  line-height: 1.65;
}

.quick-add,
.panel,
.metric {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.quick-add {
  color: var(--text);
  padding: 22px;
}

label {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

input,
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  padding: 0 12px;
  outline: none;
}

input:focus,
select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 139, 141, 0.18);
}

.field-row {
  gap: 12px;
}

.field-row > label {
  flex: 1;
}

.primary-button,
.ghost-button,
.danger-button,
.text-button,
.icon-button {
  min-height: 42px;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0 14px;
  font-weight: 800;
}

.primary-button {
  width: 100%;
  background: var(--primary);
  color: #fff;
}

.primary-button:hover {
  background: var(--primary-dark);
}

.ghost-button,
.icon-button {
  border-color: rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

main .ghost-button,
main .icon-button {
  border-color: var(--line);
  background: var(--surface);
  color: var(--text);
}

.danger-button {
  border-color: #f4b3b1;
  background: #fff3f2;
  color: #a73a36;
}

.text-button {
  background: transparent;
  color: var(--primary);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: -54px;
}

.metric {
  padding: 20px;
}

.metric span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.metric strong {
  display: block;
  margin-top: 8px;
  font-size: 1.8rem;
}

.metric.accent {
  border-color: rgba(15, 139, 141, 0.35);
  background: var(--surface-soft);
}

.workspace {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 18px;
  margin-top: 18px;
}

.panel {
  padding: 20px;
}

.panel-heading {
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.panel-heading h2 {
  margin: 0;
}

.panel-heading span {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.progress-wrap {
  margin: 4px 0 22px;
}

.progress-bar {
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--line);
}

.progress-bar span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--gold));
}

.progress-wrap p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.button-row {
  gap: 10px;
}

.button-row button {
  flex: 1;
}

.chart-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}

canvas {
  width: 100%;
  max-width: 300px;
  aspect-ratio: 1;
}

.legend {
  display: grid;
  gap: 10px;
}

.legend-item {
  display: grid;
  grid-template-columns: 14px 1fr auto;
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.swatch {
  width: 14px;
  height: 14px;
  border-radius: 4px;
}

.table-panel {
  margin-top: 18px;
}

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

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

th,
td {
  border-top: 1px solid var(--line);
  padding: 14px 10px;
  text-align: left;
}

th {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.amount-cell {
  text-align: right;
}

.pill {
  display: inline-flex;
  min-width: 74px;
  justify-content: center;
  border-radius: 999px;
  padding: 5px 9px;
  background: var(--surface-soft);
  color: var(--primary-dark);
  font-size: 0.8rem;
  font-weight: 800;
}

[data-theme="dark"] .pill {
  color: #9de0d9;
}

.delete-button {
  border: 0;
  background: transparent;
  color: var(--coral);
  font-weight: 800;
}

.empty-state {
  display: none;
  margin: 22px 0 4px;
  color: var(--muted);
  text-align: center;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

footer {
  padding: 32px 0 42px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 900px) {
  .app-header {
    min-height: auto;
  }

  .hero,
  .workspace,
  .chart-layout,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 44px;
  }

  .summary-grid {
    margin-top: 18px;
  }
}

@media (max-width: 560px) {
  .topbar,
  .topbar-actions,
  .field-row,
  .button-row {
    align-items: stretch;
    flex-direction: column;
  }

  .topbar {
    align-items: flex-start;
  }

  .ghost-button,
  .icon-button {
    width: 100%;
  }

  .panel,
  .quick-add,
  .metric {
    padding: 16px;
  }
}