:root {
  --ink: oklch(29% 0.025 284);
  --ink-muted: oklch(49% 0.025 284);
  --canvas: oklch(98% 0.012 78);
  --surface: oklch(99.5% 0.006 78);
  --surface-warm: oklch(95% 0.025 70);
  --line: oklch(88% 0.018 72);
  --coral: oklch(68% 0.14 39);
  --coral-deep: oklch(54% 0.14 35);
  --amber-soft: oklch(94% 0.06 78);
  --success: oklch(48% 0.11 151);
  --warning: oklch(55% 0.14 72);
  --danger: oklch(50% 0.18 27);
  --focus: oklch(57% 0.15 39);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-dialog: 0 18px 50px oklch(29% 0.025 284 / 0.16);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background: var(--canvas);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--canvas); }
body { margin: 0; min-height: 100vh; background: var(--canvas); }
button, input, select, textarea { font: inherit; color: inherit; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
button, .button { min-height: 44px; }
a { color: var(--coral-deep); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.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; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 100; padding: 10px 14px; border-radius: var(--radius-sm); background: var(--ink); color: var(--surface); }
.skip-link:focus { top: 12px; }

.loading-page, .auth-page, .onboarding-page { min-height: 100vh; display: grid; place-items: center; padding: 32px 20px; }
.loading-page > *, .auth-panel > * { margin-inline: auto; }
.loading-page { align-content: center; color: var(--ink-muted); text-align: center; gap: 10px; }
.auth-page { background: linear-gradient(135deg, var(--canvas), var(--surface-warm)); }
.auth-panel { width: min(100%, 440px); padding: 36px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); text-align: center; }
.brand-logo { display: block; object-fit: contain; }
.auth-panel h1 { max-width: 13ch; margin: 22px auto 12px; font-size: 2rem; line-height: 1.15; letter-spacing: -0.025em; }
.auth-panel p { max-width: 38ch; margin: 0 auto 12px; color: var(--ink-muted); line-height: 1.55; }
.auth-panel .privacy-note { margin-top: 22px; font-size: .875rem; }
.apple-button { width: 100%; margin-top: 20px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; background: var(--ink); color: var(--surface); text-decoration: none; border: 0; border-radius: var(--radius-sm); padding: 11px 16px; font-weight: 680; }
.apple-mark { font-size: 1.25rem; line-height: 1; }

.shell { min-height: 100vh; display: grid; grid-template-columns: 248px minmax(0, 1fr); }
.sidebar { position: sticky; top: 0; height: 100vh; padding: 20px 14px; border-right: 1px solid var(--line); background: var(--surface-warm); display: flex; flex-direction: column; }
.brand { display: flex; align-items: center; gap: 10px; padding: 2px 8px 20px; font-weight: 750; font-size: 1.125rem; }
.brand img { width: 38px; height: 38px; }
.nav { display: grid; gap: 4px; }
.nav button { position: relative; display: flex; align-items: center; gap: 11px; width: 100%; padding: 9px 12px; border: 0; border-radius: var(--radius-sm); background: transparent; color: var(--ink-muted); text-align: left; cursor: pointer; }
.nav button:hover { background: oklch(92% 0.03 70); color: var(--ink); }
.nav button[aria-current="page"] { background: var(--surface); color: var(--ink); font-weight: 680; }
.nav button[aria-current="page"]::before { content: ""; position: absolute; left: 0; top: 10px; bottom: 10px; width: 3px; border-radius: 3px; background: var(--coral); }
.nav svg { width: 19px; height: 19px; stroke: currentColor; fill: none; stroke-width: 1.8; }
.sidebar-foot { margin-top: auto; padding: 16px 8px 4px; border-top: 1px solid var(--line); }
.sidebar-foot strong, .sidebar-foot small { display: block; overflow: hidden; text-overflow: ellipsis; }
.sidebar-foot small { margin-top: 3px; color: var(--ink-muted); }
.link-button { min-height: 36px; padding: 7px 0; border: 0; background: transparent; color: var(--ink-muted); cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.mobile-bar { display: none; }
.content { min-width: 0; padding: 30px clamp(20px, 4vw, 56px) 64px; }
.page { max-width: 1180px; margin: 0 auto; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.page-head h1 { margin: 0; font-size: 2rem; line-height: 1.15; letter-spacing: -0.025em; }
.page-head p { margin: 8px 0 0; color: var(--ink-muted); line-height: 1.5; }
.page-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.analysis-controls { display: flex; align-items: end; gap: 10px; }
.analysis-controls .field { min-width: 180px; }
.transaction-filters { display: grid; grid-template-columns: minmax(220px, 1.4fr) repeat(3, minmax(140px, .75fr)) auto; align-items: end; gap: 12px; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface-warm); }
.transaction-search { min-width: 0; }
.filter-actions { display: flex; gap: 8px; }
.filter-status { margin: 10px 2px 12px; color: var(--ink-muted); font-size: .875rem; }

.button, button.primary, button.secondary, button.danger { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: var(--radius-sm); padding: 10px 15px; font-weight: 660; text-decoration: none; cursor: pointer; border: 1px solid transparent; }
button.primary, .button.primary { background: var(--ink); color: var(--surface); }
button.primary:hover, .button.primary:hover { background: oklch(35% 0.03 284); }
button.secondary, .button.secondary { border-color: var(--line); background: var(--surface); color: var(--ink); }
button.secondary:hover, .button.secondary:hover { background: var(--surface-warm); }
button.danger { border-color: oklch(82% 0.08 27); background: oklch(96% 0.025 27); color: var(--danger); }
button:disabled, .button[aria-disabled="true"] { opacity: .48; cursor: not-allowed; }

.summary-strip { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); overflow: hidden; }
.home-monthly-summary { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.home-monthly-summary .summary-item:first-child { background: var(--surface-warm); }
.summary-item { min-width: 0; padding: 20px; border-left: 1px solid var(--line); }
.summary-item:first-child { border-left: 0; }
.summary-item.attention { background: var(--amber-soft); }
.eyebrow { color: var(--ink-muted); font-size: .8125rem; font-weight: 680; }
.summary-value { display: block; margin-top: 8px; font-size: 1.35rem; font-weight: 730; font-variant-numeric: tabular-nums; }
.summary-detail { display: block; margin-top: 5px; color: var(--ink-muted); font-size: .8125rem; }
.section { margin-top: 32px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.section-head h2 { margin: 0; font-size: 1.2rem; }
.section-head p { margin: 0; color: var(--ink-muted); font-size: .875rem; }
.split { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 24px; }
.panel { border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); overflow: hidden; }
.panel-pad { padding: 20px; }
.receipt-group + .receipt-group { border-top: 1px solid var(--line); }
.receipt-month { display: flex; justify-content: space-between; gap: 12px; margin: 0; padding: 10px 18px; background: var(--surface-warm); color: var(--ink); font-size: .875rem; font-weight: 700; }
.receipt-month span { color: var(--ink-muted); font-size: .75rem; font-weight: 650; }
.plain-list { margin: 0; padding: 0; list-style: none; }
.row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px; align-items: center; padding: 15px 18px; border-top: 1px solid var(--line); }
.row:first-child { border-top: 0; }
.row-main { min-width: 0; }
.row-title { display: block; font-weight: 670; overflow-wrap: anywhere; }
.row-meta { display: flex; flex-wrap: wrap; gap: 5px 12px; margin-top: 5px; color: var(--ink-muted); font-size: .875rem; }
.row-amount { font-weight: 680; font-variant-numeric: tabular-nums; white-space: nowrap; }
.row-side { display: grid; justify-items: end; gap: 8px; }
.row-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
button.compact { min-height: 44px; padding: 8px 12px; }
.status { display: inline-flex; align-items: center; min-height: 26px; padding: 3px 8px; border-radius: 6px; background: var(--surface-warm); color: var(--ink-muted); font-size: .75rem; font-weight: 680; }
.status.warning { background: var(--amber-soft); color: var(--warning); }
.status.success { background: oklch(94% 0.035 151); color: var(--success); }
.empty { padding: 30px 22px; text-align: center; color: var(--ink-muted); }
.empty strong { display: block; margin-bottom: 6px; color: var(--ink); }
.bar-list { display: grid; gap: 16px; }
.bar-item { display: grid; grid-template-columns: minmax(100px, 1fr) minmax(90px, 2fr) auto; gap: 12px; align-items: center; font-size: .875rem; }
.bar-track { width: 100%; height: 8px; border: 0; border-radius: 4px; background: var(--surface-warm); overflow: hidden; appearance: none; }
.bar-track::-webkit-progress-bar { border-radius: inherit; background: var(--surface-warm); }
.bar-track::-webkit-progress-value { border-radius: inherit; background: var(--coral); }
.bar-track::-moz-progress-bar { border-radius: inherit; background: var(--coral); }
.bar-track.other::-webkit-progress-value { background: var(--ink-muted); }
.bar-track.other::-moz-progress-bar { background: var(--ink-muted); }
.bar-value { font-variant-numeric: tabular-nums; font-weight: 650; }
.home-category-chart { margin-top: 16px; }
.home-category-chart h3 { margin: 0 0 18px; font-size: 1rem; }
.home-recent { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.next-step { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 22px 24px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); }
.next-step h2 { margin: 5px 0 7px; font-size: 1.2rem; }
.next-step p { max-width: 68ch; margin: 0; color: var(--ink-muted); line-height: 1.5; }
.next-step button { flex: 0 0 auto; }
.home-breakdowns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.home-breakdown { min-width: 0; padding: 20px; border-left: 1px solid var(--line); }
.home-breakdown:first-child { border-left: 0; }
.home-breakdown h3 { margin: 0 0 14px; font-size: 1rem; }
.home-breakdown ol { display: grid; gap: 11px; margin: 0; padding: 0; list-style: none; }
.home-breakdown li { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; }
.home-breakdown li span { min-width: 0; overflow-wrap: anywhere; }
.home-breakdown li strong { flex: 0 0 auto; font-size: .875rem; font-variant-numeric: tabular-nums; }
.analysis-source { display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px; padding: 12px 15px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-warm); color: var(--ink-muted); line-height: 1.45; }
.analysis-source strong { flex: 0 0 auto; color: var(--ink); }
.analysis-empty { display: flex; align-items: center; justify-content: space-between; gap: 28px; margin-top: 28px; padding: 28px; }
.analysis-empty h2 { margin: 5px 0 7px; font-size: 1.2rem; }
.analysis-empty p { max-width: 60ch; margin: 0; color: var(--ink-muted); line-height: 1.5; }

.form { display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.field { display: grid; gap: 7px; }
.field > span, .field > label { font-size: .8125rem; font-weight: 680; }
.field input, .field select, .field textarea { width: 100%; min-height: 44px; padding: 10px 11px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); }
.field textarea { min-height: 96px; resize: vertical; }
.field small, .help { color: var(--ink-muted); font-size: .8125rem; line-height: 1.45; }
.checkbox { display: flex; align-items: flex-start; gap: 10px; }
.checkbox input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--coral-deep); }
.form-actions { display: flex; justify-content: flex-end; gap: 8px; padding-top: 4px; }
.notice { padding: 13px 15px; border-radius: var(--radius-sm); background: var(--amber-soft); color: var(--ink); line-height: 1.45; }
.notice.error { background: oklch(96% 0.025 27); color: var(--danger); }
.notice.success { background: oklch(95% 0.03 151); color: var(--success); }
.skeleton { min-height: 18px; border-radius: 5px; background: linear-gradient(90deg, var(--surface-warm), var(--canvas), var(--surface-warm)); background-size: 220% 100%; animation: skeleton 1.5s ease-in-out infinite; }
.skeleton-title { width: 38%; height: 32px; }
.skeleton-panel { height: 150px; margin-top: 28px; }
@keyframes skeleton { to { background-position: -220% 0; } }

dialog { width: min(92vw, 640px); max-height: 90vh; padding: 0; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); color: var(--ink); box-shadow: var(--shadow-dialog); }
dialog::backdrop { background: oklch(29% 0.025 284 / .35); }
.dialog-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; padding: 20px 22px; border-bottom: 1px solid var(--line); }
.dialog-head h2 { margin: 0; font-size: 1.25rem; }
.dialog-head p { margin: 5px 0 0; color: var(--ink-muted); font-size: .875rem; }
.dialog-body { max-height: calc(90vh - 86px); padding: 22px; overflow: auto; }
.icon-button { width: 44px; height: 44px; border: 0; border-radius: var(--radius-sm); background: transparent; cursor: pointer; font-size: 1.35rem; }
.icon-button:hover { background: var(--surface-warm); }

.admin-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); gap: 24px; }
.member-role { display: flex; align-items: center; gap: 8px; }
.member-role select { min-height: 38px; padding: 6px 28px 6px 9px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); }
.invite-link { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; margin-top: 14px; }
.invite-ready { margin-top: 16px; }
.invite-link input { min-width: 0; padding: 9px 10px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--canvas); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { color: var(--ink-muted); font-size: .75rem; font-weight: 700; }
td { font-size: .9rem; }
tr:last-child td { border-bottom: 0; }

@media (max-width: 850px) {
  .shell { display: block; }
  .sidebar { display: none; position: fixed; inset: 60px 0 0; z-index: 30; width: min(320px, 88vw); height: calc(100vh - 60px); box-shadow: var(--shadow-dialog); }
  .sidebar.open { display: flex; }
  .mobile-bar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; height: 60px; padding: 8px 14px; border-bottom: 1px solid var(--line); background: var(--surface); }
  .mobile-brand { display: flex; align-items: center; gap: 8px; font-weight: 740; }
  .mobile-brand img { width: 36px; height: 36px; }
  .content { padding-top: 24px; }
  .summary-strip { grid-template-columns: repeat(2, 1fr); }
  .home-monthly-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .summary-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .summary-item:nth-child(4) { border-top: 1px solid var(--line); }
  .split, .admin-grid { grid-template-columns: 1fr; }
  .transaction-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .transaction-search { grid-column: 1 / -1; }
  .filter-actions { align-self: end; }
  .home-breakdowns { grid-template-columns: 1fr; }
  .home-breakdown { border-left: 0; border-top: 1px solid var(--line); }
  .home-breakdown:first-child { border-top: 0; }
}

@media (max-width: 560px) {
  .auth-panel { padding: 28px 22px; }
  .content { padding-inline: 16px; }
  .page-head { display: grid; }
  .analysis-controls { align-items: stretch; }
  .analysis-controls .field { min-width: 0; flex: 1; }
  .transaction-filters { grid-template-columns: 1fr; }
  .transaction-search { grid-column: auto; }
  .filter-actions > button { flex: 1; }
  .page-actions, .page-actions > button { width: 100%; }
  .summary-strip { grid-template-columns: 1fr; }
  .home-monthly-summary { grid-template-columns: 1fr; }
  .summary-item { border-left: 0; border-top: 1px solid var(--line); }
  .summary-item:first-child { border-top: 0; }
  .form-row { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr; }
  .row-amount { justify-self: start; }
  .row-side { justify-items: start; }
  .row-actions { justify-content: flex-start; }
  .bar-item { grid-template-columns: minmax(0, 1fr) auto; }
  .bar-track { grid-column: 1 / -1; grid-row: 2; }
  .invite-link { grid-template-columns: 1fr; }
  .next-step { display: grid; }
  .next-step button { width: 100%; }
  .analysis-source, .analysis-empty { display: grid; }
  .analysis-empty button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}