:root {
  --bg: #f5f7fa;
  --card: #ffffff;
  --text: #001c42;
  --muted: #6b7280;
  --border: #e3e8ee;
  /* PayPal palette: navy, blue, light blue. Red is kept only for errors and over-budget. */
  --primary: #0070e0;
  --primary-dark: #003087;
  --accent: #009cde;
  --ai: var(--primary-dark);
  --good: var(--primary);
  --bad: #c62828;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1420;
    --card: #182030;
    --text: #e8ecf3;
    --muted: #9aa4b5;
    --border: #2a3448;
    --primary: #4ca6ff;
    --primary-dark: #9cc9ff;
    --accent: #5cc8f0;
    --ai: var(--primary-dark);
    --good: var(--primary);
    --bad: #f87171;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
h1, h2, h3 { margin: 0; }
h3 { margin: 24px 0 8px; font-size: 16px; }

.topbar {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 16px 24px; background: var(--card); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand h1 { font-size: 20px; color: var(--primary-dark); }
.logo {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; font-weight: 800; font-size: 20px;
}
.tagline { margin: 0; color: var(--muted); font-size: 13px; }
.status { display: flex; gap: 8px; flex-wrap: wrap; }
.pill { font-size: 12px; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--border); }
.pill.on { color: var(--good); border-color: var(--good); }
.pill.off { color: var(--muted); }

.tabs { display: flex; gap: 4px; padding: 0 24px; background: var(--card); border-bottom: 1px solid var(--border); overflow-x: auto; }
.tab {
  background: none; border: 0; padding: 12px 16px; font: inherit; color: var(--muted); cursor: pointer;
  border-bottom: 3px solid transparent;
}
.tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

main { max-width: 1100px; margin: 0 auto; padding: 24px 16px 64px; }
.panel { display: none; }
.panel.active { display: block; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

.btn {
  font: inherit; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--card); color: var(--text); cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: var(--primary); }
.btn.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn.ai { background: var(--ai); color: var(--card); border-color: var(--ai); }
.btn.danger { color: var(--bad); border-color: var(--bad); }
.btn.small { padding: 4px 10px; font-size: 13px; }
.btn:disabled { opacity: 0.55; cursor: progress; }

input, select, textarea {
  font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 10px; width: 100%;
}
textarea { resize: vertical; }
.inline-form { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.inline-form input { flex: 1 1 160px; width: auto; }
.inline-form.compact { margin: 8px 0 0; }
.field { display: block; margin-bottom: 16px; }
.field > span { display: block; font-weight: 600; font-size: 13px; margin-bottom: 6px; }
.ai-tag { font-style: normal; font-size: 11px; color: var(--card); background: var(--ai); border-radius: 4px; padding: 1px 5px; margin-left: 4px; }

.filters { display: flex; gap: 16px; flex-wrap: wrap; margin: 0 0 12px; color: var(--muted); font-size: 14px; }
.filters input { width: auto; }

.list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.list li {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px;
}
.list .grow { flex: 1 1 200px; min-width: 0; }
.list .title { font-weight: 600; }
.list .meta { color: var(--muted); font-size: 13px; }
.amount { font-variant-numeric: tabular-nums; font-weight: 600; }
.amount.out { color: var(--text); }
.amount.in { color: var(--good); }
.badge { font-size: 11px; padding: 2px 8px; border-radius: 999px; background: var(--bg); border: 1px solid var(--border); color: var(--muted); }
.badge.shared { color: var(--ai); border-color: var(--ai); }
.badge.done { color: var(--good); border-color: var(--good); }
.empty { color: var(--muted); text-align: center; padding: 32px; justify-content: center; }

.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
@media (max-width: 800px) { .split-grid { grid-template-columns: 1fr; } }
.txn-summary { margin: -8px 0 16px; color: var(--muted); font-size: 14px; }
.ai-box { border: 1px dashed var(--ai); border-radius: 10px; padding: 12px; margin-bottom: 16px; }
.ai-box .field { margin-bottom: 8px; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font: inherit; font-size: 14px; padding: 5px 12px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--border); background: var(--bg); color: var(--text);
}
.chip.on { background: var(--primary); border-color: var(--primary); color: #fff; }

.segmented { display: inline-flex; border: 1px solid var(--border); border-radius: 999px; overflow: hidden; flex-wrap: wrap; }
.segmented button { font: inherit; border: 0; background: none; padding: 7px 14px; cursor: pointer; color: var(--text); }
.segmented button.active { background: var(--primary); color: #fff; }

.shares { width: 100%; border-collapse: collapse; margin-top: 8px; }
.shares th, .shares td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border); }
.shares th { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; }
.shares .num { text-align: right; font-variant-numeric: tabular-nums; }
.shares input { max-width: 120px; }
.share-check { margin: 12px 0; font-size: 14px; }
.share-check.ok { color: var(--good); }
.share-check.err { color: var(--bad); }
.row-actions { display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }

.balance-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; }
.balance-cards .card .name { font-weight: 600; }
.balance-cards .card .amt { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.pos { color: var(--good); }
.neg { color: var(--bad); }

dialog {
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); color: var(--text);
  width: min(440px, calc(100vw - 32px)); padding: 20px;
}
dialog::backdrop { background: rgba(0, 0, 0, 0.45); }
.dialog-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
#paypalButtons { min-height: 50px; margin-top: 8px; }
#nudgeText { margin: 8px 0 12px; }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(120px);
  background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 999px;
  transition: transform 0.25s; max-width: calc(100vw - 32px); z-index: 10;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.err { background: var(--bad); color: #fff; }

/* ---------- inbox triage ---------- */
.list li .pick { width: auto; }
.bulk-bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 12px;
  padding: 10px 14px; border: 1px solid var(--primary); border-radius: var(--radius); background: var(--card);
}
.bulk-bar input { width: auto; }
.bulk-split { flex-basis: 100%; display: grid; gap: 8px; padding-top: 8px; border-top: 1px solid var(--border); }
.badge.personal { color: var(--muted); border-style: dashed; }

/* ---------- report ---------- */
.report-controls { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 16px; }
.report-controls label { display: flex; gap: 6px; align-items: center; font-size: 14px; }
.report-controls input { width: auto; }
.ai-summary { border-left: 4px solid var(--ai); }
.ai-summary h3 { margin: 0 0 6px; }
.ai-summary ul { margin: 8px 0 0; padding-left: 18px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; margin: 16px 0; }
.tile .label { color: var(--muted); font-size: 13px; }
.tile .value { font-size: 24px; font-weight: 700; font-variant-numeric: tabular-nums; }
.charts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 800px) { .charts { grid-template-columns: 1fr; } }
.chart h4 { margin: 0 0 10px; font-size: 14px; }
.hbar { display: grid; grid-template-columns: 110px 1fr 70px; gap: 8px; align-items: center; font-size: 13px; padding: 3px 0; }
.hbar .track { height: 12px; }
.hbar .fill { height: 12px; background: var(--primary); border-radius: 0 4px 4px 0; min-width: 2px; }
.hbar .v { text-align: right; font-variant-numeric: tabular-nums; }
.hbar:hover .fill { filter: brightness(1.15); }
.vbars { display: flex; align-items: flex-end; gap: 4px; height: 140px; border-bottom: 1px solid var(--border); }
.vbars .col { flex: 1; display: flex; align-items: flex-end; height: 100%; }
.vbars .col div { width: 100%; background: var(--primary); border-radius: 4px 4px 0 0; min-height: 1px; }
.vbars .col:hover div { filter: brightness(1.15); }
.vlabels { display: flex; gap: 4px; font-size: 11px; color: var(--muted); margin-top: 4px; }
.vlabels span { flex: 1; text-align: center; overflow: hidden; }
details.table-view { margin-top: 8px; font-size: 13px; }
details.table-view table { width: 100%; border-collapse: collapse; }
details.table-view td { padding: 2px 4px; border-bottom: 1px solid var(--border); }
.snapshots { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.snapshot { display: grid; gap: 8px; align-content: start; }
.snapshot .head { display: flex; justify-content: space-between; align-items: baseline; }
.snapshot ul { margin: 0; padding-left: 18px; font-size: 13px; }
.snapshot .msg { font-style: italic; font-size: 14px; background: var(--bg); padding: 8px 10px; border-radius: 8px; }
.snapshot .btns { display: flex; gap: 6px; flex-wrap: wrap; }

/* ---------- budget ---------- */
:root { --warn: var(--primary-dark); }
.tab-badge { display: inline-block; min-width: 18px; padding: 0 6px; border-radius: 999px; background: var(--primary); color: #fff; font-size: 11px; line-height: 18px; text-align: center; }
.period-nav { align-items: center; }
.period-nav strong { min-width: 110px; text-align: center; }
.pay-form { display: grid; gap: 8px; margin-bottom: 16px; }
.pay-fields { display: grid; grid-template-columns: 2fr 1fr 1.3fr 2fr auto; gap: 8px; }
.pay-fields.card-fields { grid-template-columns: 2fr 1fr 1.3fr auto; }
@media (max-width: 800px) { .pay-fields, .pay-fields.card-fields { grid-template-columns: 1fr 1fr; } }
.alert {
  display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; margin-bottom: 12px;
  padding: 12px 14px; border-radius: var(--radius); border: 1px solid var(--bad); background: var(--card);
}
.alert .grow { flex: 1 1 260px; }
.alert strong { color: var(--bad); }
.bucket-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; margin-bottom: 16px; }
.bucket { display: grid; gap: 6px; align-content: start; }
.bucket.common { border-style: dashed; }
.bucket .avail { font-size: 24px; font-weight: 700; font-variant-numeric: tabular-nums; }
.meter { height: 8px; border-radius: 4px; background: var(--bg); border: 1px solid var(--border); overflow: hidden; }
.meter div { height: 100%; background: var(--accent); border-radius: 0 4px 4px 0; }
.meter.warn div { background: var(--warn); }
.meter.over div { background: var(--bad); }
.state { font-size: 12px; font-weight: 600; }
.state.warn { color: var(--warn); }
.state.over { color: var(--bad); }
.bucket details { font-size: 13px; }
.bucket details ul { list-style: none; padding: 0; margin: 6px 0 0; display: grid; gap: 4px; }
.bucket details li { display: flex; justify-content: space-between; gap: 6px; }
.list select, .bucket select { width: auto; font-size: 13px; padding: 4px 6px; }
.editor-row { display: grid; grid-template-columns: 1.3fr 110px auto; gap: 8px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); }
.editor-row .chips { grid-column: 1 / -1; }
.guard-options { display: grid; gap: 8px; margin: 12px 0; }
.guard-options .btn { white-space: normal; text-align: left; }
.fits { color: var(--good); font-weight: 600; }
.bucket .row { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.card > h3:first-child { margin-top: 0; }
.inline-form { align-items: center; }
.inline-form select { width: auto; flex: 0 1 180px; }

/* ---------- purchases ---------- */
.notice {
  position: fixed; top: 16px; right: 16px; z-index: 50; width: min(360px, calc(100vw - 32px));
  display: grid; gap: 4px; padding: 14px 16px; border-radius: 14px;
  background: var(--card); border: 1px solid var(--border); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
  transform: translateY(-140%); visibility: hidden; transition: transform 0.25s ease, visibility 0.25s;
}
.notice.show { transform: translateY(0); visibility: visible; }
#askDialog { width: min(560px, calc(100vw - 32px)); }
.ask-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; margin: 12px 0; }
.ask-pot {
  display: grid; gap: 2px; text-align: left; font: inherit; color: var(--text); cursor: pointer;
  padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg);
}
.ask-pot:hover, .ask-pot:focus-visible { border-color: var(--primary); }
.ask-pot.suggested { border-color: var(--primary); border-width: 2px; }
.ask-pot.common { border-style: dashed; }
.remember { display: flex; gap: 8px; align-items: center; }
.remember input { width: auto; }
#questionCard { border-color: var(--primary); margin-bottom: 16px; }
#purchaseForm .pay-fields.card-fields { grid-template-columns: 1.3fr 2fr 1fr auto; }
@media (max-width: 800px) { #purchaseForm .pay-fields.card-fields { grid-template-columns: 1fr 1fr; } }
.chip.mini { font-size: 12px; padding: 2px 8px; }
.subtabs { margin-bottom: 16px; }

/* ---------- tidy layout ---------- */
.badge { display: inline-block; line-height: 16px; white-space: nowrap; vertical-align: middle; }
.badge.pot { color: var(--primary); border-color: var(--primary); background: var(--card); font-weight: 600; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.tags:empty { display: none; }
.row-btns { display: flex; gap: 6px; flex-wrap: nowrap; }
.list .amount { white-space: nowrap; }
.list .meta { overflow-wrap: anywhere; }
.bucket .row { flex-wrap: wrap; }
.bucket .avail span { font-size: 14px; font-weight: 500; color: var(--muted); }
.bucket .avail.neg span { color: var(--bad); }
.state { padding: 1px 8px; border-radius: 999px; border: 1px solid currentColor; white-space: nowrap; }
#purchaseForm > .muted { line-height: 1.6; }
.report-controls label { white-space: nowrap; }

@media (max-width: 600px) {
  .topbar, .tabs { padding-left: 16px; padding-right: 16px; }
  .tab { padding: 12px 10px; }
  .panel-head h2 { font-size: 20px; }
  /* list rows: details + amount on the first line, buttons underneath */
  .list li { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 8px 12px; align-items: start; }
  .list li > .grow { grid-column: 1 / 3; }
  .list li > .pick + .grow { grid-column: 2; }
  .list li > .amount { grid-column: 3; grid-row: 1; }
  .list li > .row-btns, .list li > select { grid-column: 1 / -1; justify-content: flex-end; }
  .list li.empty { display: block; }
  #purchaseForm .pay-fields.card-fields { grid-template-columns: 1fr 1fr; }
  #purchaseForm .pay-fields select, #purchaseForm .pay-fields input[name="merchant"] { grid-column: 1 / -1; }
  .report-controls { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .report-controls .segmented, .report-controls .btn { grid-column: 1 / -1; }
  .report-controls .segmented { display: flex; }
  .report-controls label { min-width: 0; }
  .report-controls label input { flex: 1; min-width: 0; }
  .segmented { flex-wrap: nowrap; }
  #periodPresets button { flex: 1; padding: 7px 8px; }
  .filters .segmented { width: 100%; }
  .filters .segmented button { flex: 1; padding: 7px 6px; }
  .bulk-bar .btn { flex: 1 1 auto; }
  .segmented button { white-space: nowrap; }
  .balance-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .balance-cards .card .amt { font-size: 20px; }
  #addPersonForm input, #addTxnForm input { flex-basis: 100%; }
}