:root {
  --surface-1:      #fcfcfb;
  --page-plane:     #f9f9f7;
  --text-primary:   #0b0b0b;
  --text-secondary: #52514e;
  --text-muted:     #898781;
  --gridline:       #e1e0d9;
  --baseline:       #c3c2b7;
  --border-hairline: rgba(11,11,11,0.10);
  --good:           #006300;
  --critical:       #d03b3b;
  --series-1: #2a78d6; /* blue - primary accent */
  --series-2: #1baf7a; /* aqua */
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface-1:      #1a1a19;
    --page-plane:     #0d0d0d;
    --text-primary:   #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted:     #898781;
    --gridline:       #2c2c2a;
    --baseline:       #383835;
    --border-hairline: rgba(255,255,255,0.10);
    --good:           #0ca30c;
    --critical:       #e66767;
    --series-1: #3987e5;
    --series-2: #199e70;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--page-plane);
  color: var(--text-primary);
}

.app {
  max-width: 760px;
  margin: 0 auto;
  padding: 16px 14px 64px;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.app-header h1 {
  font-size: 20px;
  margin: 0;
}

.muted { color: var(--text-muted); font-weight: 400; font-size: 13px; }

.card {
  background: var(--surface-1);
  border: 1px solid var(--border-hairline);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 14px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.card-header h2 {
  margin: 0;
  font-size: 16px;
}

.card-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.collapse-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 11px;
  padding: 4px 6px;
  line-height: 1;
  transition: transform 0.15s ease;
}
.collapse-toggle:hover { color: var(--text-primary); }

.card.collapsed .card-header { margin-bottom: 0; }
.card.collapsed .collapse-toggle { transform: rotate(-90deg); }
.card.collapsed .card-body { display: none; }

/* Dashboard */
.dash-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

@media (min-width: 560px) {
  .dash-grid { grid-template-columns: repeat(3, 1fr); }
}

.dash-tile {
  background: var(--page-plane);
  border: 1px solid var(--border-hairline);
  border-radius: 10px;
  padding: 10px 12px;
}

.dash-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.dash-value {
  font-size: 18px;
  font-weight: 600;
}

.dash-value.good { color: var(--good); }

/* Buttons & inputs */
.primary-btn, .secondary-btn {
  font: inherit;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  padding: 8px 14px;
}

.primary-btn {
  border: none;
  background: var(--series-1);
  color: #fff;
  width: 100%;
}
.primary-btn:hover { opacity: 0.92; }

.secondary-btn {
  border: 1px solid var(--border-hairline);
  background: var(--surface-1);
  color: var(--text-primary);
  font-size: 13px;
  white-space: nowrap;
}
.secondary-btn:hover { background: var(--page-plane); }

.link-btn {
  background: none;
  border: none;
  color: var(--series-1);
  font-size: 13px;
  cursor: pointer;
  padding: 0;
}
.link-btn:hover { text-decoration: underline; }

.delete-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 13px;
  padding: 4px 8px;
  white-space: nowrap;
}
.delete-btn:hover { color: var(--critical); }

input[type="text"], input[type="number"], input[type="date"] {
  font: inherit;
  padding: 7px 9px;
  border: 1px solid var(--border-hairline);
  border-radius: 7px;
  background: var(--page-plane);
  color: var(--text-primary);
  width: 100%;
}

.field {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 10px;
}
.field span { display: block; margin-bottom: 3px; }

.toggle-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
}
.toggle-switch input { width: 16px; height: 16px; cursor: pointer; }

.check-inline {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  white-space: nowrap;
  cursor: pointer;
}
.check-inline input[type="checkbox"] { width: 18px; height: 18px; cursor: pointer; }

/* Debt rows */
.debt-row {
  padding: 12px 0;
  border-bottom: 1px solid var(--gridline);
}

.debt-row:last-child { border-bottom: none; }

.debt-row-main {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.9fr 0.9fr 1.3fr auto auto;
  gap: 8px;
  align-items: end;
  margin-bottom: 10px;
}

.debt-quick-pay { margin-bottom: 0; }

.field-inline {
  font-size: 11px;
  color: var(--text-secondary);
}
.field-inline label { display: block; margin-bottom: 3px; }

@media (max-width: 700px) {
  .debt-row-main {
    grid-template-columns: 1fr 1fr;
  }
  .field-inline.wide { grid-column: 1 / -1; }
  .debt-row-main .check-inline { grid-column: 1 / -1; }
  .debt-row-main .delete-btn { grid-column: 1 / -1; text-align: left; }
}

/* Lending cards */
.lending-card {
  border: 1px solid var(--border-hairline);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 12px;
}
.lending-card:last-child { margin-bottom: 0; }

.lending-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.lending-header input { font-weight: 600; }

.lending-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1.4fr auto;
  gap: 8px;
  align-items: end;
  margin-bottom: 14px;
}

@media (max-width: 700px) {
  .lending-row { grid-template-columns: 1fr 1fr; }
  .lending-row .field-inline.wide { grid-column: 1 / -1; }
  .lending-row .check-inline { grid-column: 1 / -1; }
}

.lending-savings {
  background: var(--page-plane);
  border-radius: 8px;
  padding: 12px;
}
.lending-savings h4 { margin: 0 0 10px; font-size: 13px; color: var(--text-secondary); }

/* Savings pot (shared by Savings + each lending's principal savings) */
.savings-stats {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 8px;
  font-size: 13px;
}
.savings-stats strong { font-size: 15px; }

.meter-track {
  height: 10px;
  border-radius: 5px;
  background: color-mix(in srgb, var(--series-1) 18%, var(--surface-1));
  overflow: hidden;
  margin-bottom: 12px;
}
.meter-fill {
  height: 100%;
  background: var(--series-1);
  border-radius: 5px;
  transition: width 0.15s ease;
}

.deposit-form {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.deposit-form input[type="number"] { flex: 1 1 160px; }
.deposit-form button {
  border: none;
  background: var(--series-1);
  color: #fff;
  border-radius: 7px;
  padding: 7px 12px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

/* Checklist */
.checklist-row {
  display: grid;
  grid-template-columns: auto 1.1fr 0.7fr 0.7fr 1.1fr auto;
  gap: 8px;
  align-items: end;
  padding: 8px 0;
  border-bottom: 1px solid var(--gridline);
}
.checklist-row:last-child { border-bottom: none; }
.checklist-row.checked .item-name,
.checklist-row.checked .item-amount,
.checklist-row.checked .item-amount-usd { color: var(--text-muted); text-decoration: line-through; }

.checklist-row input[type="checkbox"] { width: 20px; height: 20px; cursor: pointer; }

@media (max-width: 700px) {
  .checklist-row {
    grid-template-columns: auto 1fr;
  }
  .checklist-row .field-inline,
  .checklist-row .item-bank { grid-column: 2 / 3; }
  .checklist-row .delete-btn { grid-column: 2 / 3; text-align: left; }
}

/* Schedule generator */
.schedule-form {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  align-items: end;
  margin-bottom: 16px;
}
.schedule-form .primary-btn { grid-column: 1 / -1; }

@media (max-width: 700px) {
  .schedule-form { grid-template-columns: 1fr 1fr; }
}

.schedule-card {
  border: 1px solid var(--border-hairline);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 12px;
}
.schedule-card:last-child { margin-bottom: 0; }

.schedule-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.schedule-card-header h4 { margin: 0; font-size: 14px; }
.schedule-caption { font-size: 12px; color: var(--text-muted); }

.schedule-dates {
  max-height: 240px;
  overflow-y: auto;
}

.schedule-date-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 2px;
  font-size: 13px;
  border-bottom: 1px solid var(--gridline);
}
.schedule-date-row:last-child { border-bottom: none; }
.schedule-date-row.paid .date-label,
.schedule-date-row.paid .date-amount { color: var(--text-muted); text-decoration: line-through; }
.schedule-date-row input[type="checkbox"] { width: 18px; height: 18px; cursor: pointer; }
.date-label { flex: 1; }
.date-amount { font-variant-numeric: tabular-nums; }

.empty-state {
  color: var(--text-muted);
  font-size: 13px;
  padding: 6px 0 0;
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 4px 14px;
}