:root {
  color-scheme: light;
  --bg: #f5f7f6;
  --surface: #ffffff;
  --ink: #1f2825;
  --muted: #6b746f;
  --line: #d9e0dd;
  --accent: #24594f;
  --accent-2: #d85f3f;
  --focus: #e7b64b;
}

* {
  box-sizing: border-box;
}

html, body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

[hidden] { display: none !important; }
body { font-size: 16px; touch-action: manipulation; }
input, select, textarea, button { font-size: 16px; }
main, section, article, form, .card-top > div { min-width: 0; max-width: 100%; }
button, a, input, select, textarea { touch-action: manipulation; }
button, a.button { cursor: pointer; }
button:disabled { opacity: .6; cursor: wait; }
p, h2, strong, dd, .button { overflow-wrap: anywhere; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  gap: 12px;
  padding: max(14px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) 12px max(12px, env(safe-area-inset-left));
  background: rgba(245, 247, 246, 0.97);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 28px;
  line-height: 1.1;
}
h2 { font-size: 20px; }

.eyebrow {
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.tabs a,
.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  font-size: 16px;
  padding: 8px 10px;
  gap: 6px;
}

.tabs { width: min(736px, 100%); margin: 0 auto; }
.app-header > div { width: min(736px, 100%); margin: 0 auto; }
.button svg { width: 18px; height: 18px; flex-shrink: 0; }

.tabs a.active,
.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

main {
  width: min(760px, 100%);
  margin: 0 auto;
  padding: 16px max(12px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
}

.screen {
  display: none;
}

.screen.active {
  display: grid;
  gap: 16px;
}

.hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 18px;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
}

.hero .eyebrow {
  color: #f1d283;
}

.hero-total {
  min-width: 0;
  font-size: 34px;
  font-weight: 800;
}

.metric-grid,
.actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.install-button {
  border-color: var(--accent-2);
  color: var(--accent-2);
}

.metric,
.panel,
.receipt-card,
.summary-card {
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.metric span,
.status,
.empty,
.meta {
  color: var(--muted);
}

.metric strong {
  display: block;
  margin-top: 6px;
  font-size: 22px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

label,
fieldset {
  display: grid;
  gap: 7px;
  min-width: 0;
  font-weight: 700;
}

fieldset {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  margin: 0;
}

legend {
  padding: 0 6px;
  color: var(--muted);
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 16px;
  min-width: 0;
  max-width: 100%;
}

input[type="date"], input[type="time"] { min-height: 46px; appearance: none; }
input[type="file"] { font-weight: 400; padding: 8px; overflow: hidden; }
input::file-selector-button { font: inherit; font-size: 16px; max-width: 100%; }

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus,
.button:focus,
.tabs a:focus {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.wide {
  grid-column: 1 / -1;
}

.file-picker {
  padding: 12px;
  min-height: 132px;
  border: 1px dashed var(--accent);
  border-radius: 8px;
  background: #fff;
}

.file-picker span {
  display: block;
  margin-bottom: 10px;
}

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

.receipt-card,
.summary-card {
  display: grid;
  gap: 8px;
}

.card-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.amount {
  font-size: 22px;
  font-weight: 800;
  text-align: right;
  flex-shrink: 1;
}

.pill {
  width: max-content;
  padding: 4px 8px;
  border-radius: 999px;
  background: #e2eee9;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}

.panel { border: 0; border-radius: 0; padding: 0; background: transparent; }
.status { min-height: 48px; line-height: 1.5; }
#pwa-help { min-height: 0; }
#pwa-help:empty { display: none; }
.section-band { border-top: 1px solid var(--line); padding-top: 16px; display: grid; gap: 12px; }
.stats-grid { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 16px; }
.stats-grid > div { min-width: 0; padding: 10px 0; border-bottom: 1px solid var(--line); }
.stats-grid dt { font-size: 13px; color: var(--muted); }
.stats-grid dd { margin: 4px 0 0; font-size: 18px; font-weight: 700; font-variant-numeric: tabular-nums; }
.filters { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.export-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.card-actions { display: flex; gap: 8px; justify-content: flex-end; }
.icon-button { width: 44px; height: 44px; padding: 10px; flex-shrink: 0; }
.danger { color: #ad3434; }
.review-message { background: #fff2e4; color: #704218; border-left: 3px solid #ce853b; padding: 10px 12px; line-height: 1.5; }
.needs-check { background: #fff0f0; border-color: #d18a8a; }
.field-review { font-size: 12px; color: #a33838; font-weight: 500; min-height: 18px; line-height: 18px; }
.breakdown-row { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--line); padding: 8px 0; }
.breakdown-row span:first-child { min-width: 0; overflow-wrap: anywhere; }
.breakdown-row span:last-child { flex-shrink: 0; font-variant-numeric: tabular-nums; }
.breakdown { margin-top: 12px; }
.breakdown h3 { margin: 0 0 6px; font-size: 16px; }
.chart { width: 100%; min-width: 0; min-height: 100px; }
.chart svg { width: 100%; display: block; height: auto; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 12px; font-size: 13px; }
.chart-legend span { display: inline-flex; gap: 4px; align-items: center; }
.chart-legend i { width: 10px; height: 10px; display: inline-block; }
.chart-details { margin-top: 8px; color: var(--muted); font-size: 13px; }
dialog { width: min(420px, calc(100% - 24px)); max-width: 100%; padding: 20px; border: 1px solid var(--line); border-radius: 8px; }
dialog::backdrop { background: rgba(0,0,0,.35); }
dialog .actions { margin: 16px 0; }
dialog form .button { width: 100%; }
.login-form { display: grid; gap: 12px; margin-top: 16px; }
.period-nav { display: grid; grid-template-columns: 44px minmax(0, 1fr) 44px; align-items: center; gap: 10px; }
.period-title { border: 0; background: transparent; min-height: 44px; color: var(--ink); font: inherit; font-size: 20px; font-weight: 750; }
.period-nav button:disabled, .event-buttons button:disabled { cursor: default; }
.budget-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 4px 0 8px; }
.budget-heading > span { color: var(--muted); font-size: 14px; }
.budget-heading strong { font-size: 28px; font-variant-numeric: tabular-nums; }
.section-title { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.section-title h2 { font-size: 18px; }
.segmented { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-bottom: 1px solid var(--line); }
.segmented button { min-height: 44px; border: 0; border-bottom: 3px solid transparent; background: transparent; color: var(--muted); font: inherit; font-size: 16px; }
.segmented button[aria-pressed="true"] { border-bottom-color: var(--accent); color: var(--accent); font-weight: 750; }
.chart-summary { display: flex; gap: 18px; justify-content: space-between; padding: 10px 0; font-size: 14px; }
.chart-summary strong { display: block; font-size: 18px; margin-top: 3px; color: var(--ink); }
.combo-plot { width: 100%; min-width: 0; }
.combo-plot svg { width: 100%; display: block; touch-action: manipulation; }
.chart-readout { min-height: 124px; padding: 12px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: grid; gap: 5px; }
.chart-readout .section-title strong { min-width: 0; overflow-wrap: anywhere; font-size: 15px; }
.chart-readout .event-buttons { display: flex; gap: 6px; }
.chart-note { font-size: 12px; color: var(--muted); margin-top: 6px; }
.fuel-event { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 8px; border-bottom: 1px solid var(--line); padding: 9px 0; font-size: 13px; }
.fuel-event .meta { grid-column: 1 / -1; }
.food-composition { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 12px; align-items: center; }
.donut { width: 130px; height: 150px; }
.donut svg { display: block; width: 100%; height: 100%; }
.food-legend { display: grid; gap: 8px; min-width: 0; }
.food-legend-row { display: grid; grid-template-columns: 8px minmax(0, 1fr) auto; align-items: center; gap: 6px; font-size: 12px; }
.food-legend-row i { display: block; width: 8px; height: 8px; border-radius: 2px; }
.food-legend-row strong { font-size: 12px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.calendar-heading { display: flex; gap: 10px; align-items: baseline; justify-content: space-between; margin: 12px 0; }
.calendar-heading h3 { margin: 0; font-size: 16px; }
.calendar-weekdays, .calendar-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; }
.calendar-weekdays span { text-align: center; font-size: 11px; color: var(--muted); padding: 5px 0; }
.calendar-cell { min-width: 0; height: 66px; padding: 5px 2px; border: 1px solid var(--line); border-radius: 4px; background: #fff; color: var(--ink); display: flex; align-items: center; flex-direction: column; justify-content: space-between; font-family: inherit; font-size: 16px; }
.calendar-cell .day-number { font-size: 11px; }
.calendar-cell .day-amount { font-size: 10px; font-weight: 700; white-space: nowrap; }
.calendar-cell[aria-pressed="true"] { outline: 2px solid var(--accent); outline-offset: -2px; }
.calendar-cell.empty { background: transparent; border-color: transparent; }
.category-dots { display: flex; justify-content: center; gap: 2px; height: 5px; }
.category-dots i { width: 4px; height: 4px; border-radius: 50%; }
.food-day-details { min-height: 44px; margin-top: 10px; font-size: 13px; }
.food-day-details .breakdown-row { align-items: flex-start; }
.summary-period-chart { width: 100%; }
@media (max-width: 360px) {
  .food-composition { grid-template-columns: 110px minmax(0, 1fr); gap: 8px; }
  .donut { width: 110px; height: 140px; }
  .food-legend-row { gap: 4px; font-size: 11px; }
  .food-legend-row strong { font-size: 11px; }
  .period-title { font-size: 18px; }
}

@media (max-width: 560px) {
  main { padding-top: 12px; }
  .screen.active { gap: 12px; }
  .app-header { position: static; gap: 10px; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric, .receipt-card, .summary-card { padding: 12px; }
  .card-top h2 { font-size: 18px; }
}

@media (max-width: 560px) {
  .actions,
  .form-grid,
  fieldset {
    grid-template-columns: 1fr;
  }

  .hero {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-total {
    font-size: 30px;
  }
}