:root {
  --bg: #f4f5f7;
  --card-bg: #ffffff;
  --entry-bg: #fafbfc;
  --border: #dfe3e8;
  --hairline: #f0f1f3;
  --disabled-bg: #eef0f3;
  --text: #1f2430;
  --text-muted: #6b7280;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --danger-bg-hover: #fee2e2;
  --success: #16a34a;
  --radius: 10px;
  --btn-add-bg: #eef2ff;
  --btn-add-bg-hover: #e0e7ff;
  --input-bg: #ffffff;
  --account-business: #2563eb;
  --account-business-bg: #eef4ff;
  --account-personal: #16a34a;
  --account-personal-bg: #eefdf3;
  --account-joint: #f59e0b;
  --account-joint-bg: #fff7ed;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17191d;
    --card-bg: #1f2227;
    --entry-bg: #24272d;
    --border: #34383f;
    --hairline: #2c2f35;
    --disabled-bg: #2a2d33;
    --text: #e7e9ec;
    --text-muted: #9aa1ab;
    --primary: #3b82f6;
    --primary-dark: #60a5fa;
    --danger: #f87171;
    --danger-bg: #3a1f1f;
    --danger-bg-hover: #4a2626;
    --success: #4ade80;
    --btn-add-bg: #262b45;
    --btn-add-bg-hover: #313868;
    --input-bg: #26292f;
    --account-business: #60a5fa;
    --account-business-bg: #1c2942;
    --account-personal: #4ade80;
    --account-personal-bg: #163529;
    --account-joint: #fbbf24;
    --account-joint-bg: #3a2c14;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.4;
}

.app {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

header h1 {
  margin: 0 0 4px;
  font-size: 1.7rem;
}

.subtitle {
  margin: 0 0 24px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

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

.section-head h2 {
  margin: 0;
  font-size: 1.15rem;
}

.section-head-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.hint {
  margin: 6px 0 16px;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.btn {
  border: none;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 0.9rem;
  cursor: pointer;
  font-weight: 600;
}

.btn-add {
  background: var(--btn-add-bg);
  color: var(--primary-dark);
}
.btn-add:hover { background: var(--btn-add-bg-hover); }

.btn-remove {
  background: var(--danger-bg);
  color: var(--danger);
}
.btn-remove:hover { background: var(--danger-bg-hover); }

.btn-secondary {
  background: transparent;
  color: var(--primary-dark);
  border: 1px solid var(--primary-dark);
}
.btn-secondary:hover { background: var(--btn-add-bg); }

.btn-secondary-remove {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}
.btn-secondary-remove:hover { background: var(--danger-bg); }

.entry-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.entry {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  background: var(--entry-bg);
}

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

.entry-grid-employed {
  grid-template-columns: 1.3fr 0.8fr 0.6fr 0.9fr 1.2fr 0.6fr;
}

.snapshot-row {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
}

.snapshot-row[hidden] {
  display: none;
}

.snapshot-row input[type="text"],
.snapshot-row select {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--input-bg);
}

.section-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 16px 0;
}

.snapshot-row-label {
  flex: 0 0 auto;
  font-size: 0.85rem;
  color: var(--text-muted);
  white-space: nowrap;
}

#linkedActiveControls #linkedStatusText {
  flex: 1;
  margin: 0;
}

.entry-grid-selfemployed {
  grid-template-columns: 1.4fr 1.2fr 0.9fr 0.7fr;
}

.entry-grid-other {
  grid-template-columns: 1.4fr 1.2fr 0.9fr 0.7fr 0.8fr 0.6fr;
}

.entry-grid-expense {
  grid-template-columns: 1.6fr 0.9fr 0.7fr 0.8fr;
}

.entry-grid-pot {
  grid-template-columns: 0.8fr 1.4fr 1.2fr 0.9fr;
}

.entry-grid-jointsetup {
  grid-template-columns: 1fr 1fr;
}

.entry-grid-jointbill {
  grid-template-columns: 1.6fr 1fr;
}

.pot-entry {
  position: relative;
  padding-left: 34px;
  border-left: 4px solid var(--border);
  transition: border-color 0.15s, background 0.15s;
}

.pot-entry[data-account="business"] {
  border-left-color: var(--account-business);
  background: var(--account-business-bg);
}

.pot-entry[data-account="personal"] {
  border-left-color: var(--account-personal);
  background: var(--account-personal-bg);
}

.pot-entry[data-account="joint"] {
  border-left-color: var(--account-joint);
  background: var(--account-joint-bg);
}

.pot-entry[data-gradient="true"] {
  background: linear-gradient(to right, var(--pot-bg-from), var(--pot-bg-to));
}

.pot-entry.dragging {
  opacity: 0.4;
}

.pot-joint-row {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
}

.pot-transfer-row {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
  max-width: 220px;
}

.entry label.checkbox-row {
  flex-direction: row;
  align-items: center;
}

.pot-auto-row {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--text-muted);
  max-width: none;
}

.pot-auto-row input,
.pot-joint-row input {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.pot-entry.drag-over-top {
  box-shadow: inset 0 2px 0 var(--primary);
}

.pot-entry.drag-over-bottom {
  box-shadow: inset 0 -2px 0 var(--primary);
}

.pot-drag-handle {
  cursor: grab;
  position: absolute;
  left: 2px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--text-muted);
  padding: 4px;
  user-select: none;
}

.pot-drag-handle:active {
  cursor: grabbing;
}

.pot-add-row {
  display: flex;
  justify-content: center;
  margin-top: 14px;
}

.entry label {
  display: flex;
  flex-direction: column;
  font-size: 0.75rem;
  color: var(--text-muted);
  gap: 4px;
  font-weight: 600;
}

.entry label[hidden] {
  display: none;
}

.entry input[type="text"],
.entry input[type="number"],
.entry select {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 8px;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--input-bg);
  font-weight: 400;
  width: 100%;
}

.primary-label {
  align-items: center;
  justify-content: center;
  flex-direction: row-reverse;
  gap: 6px;
}
.primary-label input[type="radio"] {
  width: 18px;
  height: 18px;
}

.entry-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
}

.yearly-total {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.top-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--border);
}

.top-tab-btn {
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  padding: 10px 18px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
}

.top-tab-btn.active {
  color: var(--primary-dark);
  border-bottom-color: var(--primary);
}

.entry input:disabled {
  background: var(--disabled-bg);
  color: var(--text-muted);
  cursor: not-allowed;
}

.auto-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
}

.pots-totals {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.pots-subtotal-heading {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  margin: 10px 0 2px;
}

.joint-bill-share-note {
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--text-muted);
}

.joint-bill-split {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.loan-options {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  cursor: pointer;
}
.checkbox-row input {
  width: 18px;
  height: 18px;
}

.results h2 {
  margin-top: 0;
}

.tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
}

.tab-btn.active {
  color: var(--primary-dark);
  border-bottom-color: var(--primary);
}

.result-group {
  margin-bottom: 18px;
}

.result-group h3 {
  font-size: 0.95rem;
  margin: 0 0 8px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 0.75rem;
}

.result-line {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--hairline);
}

.result-line.total {
  font-weight: 700;
  border-bottom: none;
  border-top: 2px solid var(--border);
  padding-top: 10px;
  margin-top: 4px;
}

.result-line.net {
  font-weight: 700;
  color: var(--success);
  font-size: 1.05rem;
}

.result-line .neg {
  color: var(--danger);
}

.band-details summary {
  font-size: 0.75rem;
  margin: 0 0 8px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 600;
  cursor: pointer;
}

.band-details[open] summary {
  margin-bottom: 8px;
}

.band-subheading {
  font-size: 0.8rem;
  font-weight: 700;
  margin: 14px 0 2px;
}

.band-subheading:first-of-type {
  margin-top: 0;
}

.balance-headline {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 4px 0;
}

.balance-headline-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 600;
}

.balance-headline-value {
  font-size: 2.2rem;
  font-weight: 700;
}

.summary-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.summary-table th,
.summary-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--hairline);
}

.summary-table th {
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 700;
}

.summary-table td:last-child,
.summary-table th:last-child {
  text-align: right;
}

.account-color-business { color: var(--account-business); font-weight: 600; }
.account-color-personal { color: var(--account-personal); font-weight: 600; }
.account-color-joint { color: var(--account-joint); font-weight: 600; }

.note {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 16px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

@media (max-width: 700px) {
  .entry-grid-employed,
  .entry-grid-selfemployed,
  .entry-grid-other,
  .entry-grid-expense,
  .entry-grid-pot,
  .entry-grid-jointbill {
    grid-template-columns: 1fr 1fr;
  }
}