:root {
  color-scheme: light;
  --bg: #f5f7fa;
  --panel: #ffffff;
  --ink: #17202a;
  --muted: #64748b;
  --line: #d9e2ec;
  --brand: #0f766e;
  --brand-dark: #115e59;
  --accent: #b45309;
  --danger: #b91c1c;
  --shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 0;
  border-radius: 8px;
  background: var(--brand);
  color: white;
  cursor: pointer;
  min-height: 42px;
  padding: 0 14px;
  font-weight: 700;
}

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

button.secondary {
  background: #e2e8f0;
  color: var(--ink);
}

button.secondary:hover {
  background: #cbd5e1;
}

button.small {
  min-height: 32px;
  padding: 0 10px;
  font-size: 13px;
}

input,
select,
textarea {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  background: white;
  color: var(--ink);
}

.date-text {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.shell {
  width: min(1180px, calc(100vw - 28px));
  margin: 0 auto;
  padding: 22px 0 40px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.brand {
  display: grid;
  gap: 2px;
}

.brand h1 {
  margin: 0;
  font-size: clamp(26px, 4vw, 40px);
}

.brand span,
.muted {
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 14px;
}

.app-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.app-nav button[aria-selected="true"] {
  background: var(--brand);
  color: white;
}

.panel,
.card,
.auth {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.panel,
.auth {
  padding: 18px;
}

.panel h2,
.auth h1,
.auth h2 {
  margin: 0 0 14px;
  font-size: 20px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.stack {
  display: grid;
  gap: 14px;
}

.forms {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

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

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

.filters {
  display: grid;
  grid-template-columns: 180px minmax(220px, 1fr) auto;
  gap: 10px;
  align-items: end;
  margin-bottom: 14px;
}

.summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  padding: 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fbfdff;
}

.metric b {
  display: block;
  font-size: 24px;
  margin-top: 4px;
}

.list {
  display: grid;
  gap: 8px;
}

.item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.transaction-list {
  display: grid;
  gap: 8px;
}

.transaction-item {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(280px, 0.8fr) auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.transaction-main {
  display: grid;
  gap: 3px;
}

.transaction-main small {
  color: var(--muted);
}

.transaction-edit {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.item strong {
  display: block;
}

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

.amount {
  color: var(--accent);
  font-weight: 800;
  white-space: nowrap;
}

.amount.income {
  color: #15803d;
}

.compact-list {
  margin-top: 14px;
}

.receipt {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--line);
}

.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 18px;
}

.auth-layout {
  width: min(980px, 100%);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 18px;
  align-items: stretch;
}

.auth-intro {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  padding: 32px;
  border-radius: 8px;
  background: #0f2f2c;
  color: white;
  box-shadow: var(--shadow);
}

.auth-intro h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.02;
}

.auth-intro p {
  margin: 0;
  max-width: 560px;
  color: #d7f3ef;
  font-size: 17px;
}

.eyebrow {
  color: #facc15 !important;
  font-size: 13px !important;
  font-weight: 900;
  text-transform: uppercase;
}

.auth-points {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.auth-points span {
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 700;
}

.auth {
  width: min(460px, 100%);
}

.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 14px;
}

.tabs button[aria-selected="true"] {
  background: var(--brand);
  color: white;
}

.error {
  color: var(--danger);
  min-height: 20px;
  font-weight: 700;
}

.invite {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.button-row,
.item-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.code {
  padding: 8px 10px;
  border-radius: 8px;
  background: #ecfeff;
  border: 1px solid #67e8f9;
  font-weight: 900;
}

canvas {
  width: 100%;
  max-height: 260px;
}

@media (max-width: 860px) {
  .grid,
  .forms,
  .summary,
  .auth-layout,
  .row,
  .filters,
  .transaction-item,
  .transaction-edit {
    grid-template-columns: 1fr;
  }

  .auth-intro {
    padding: 22px;
  }

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