:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f3f2ee;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;

  /* Series: color follows the entity everywhere */
  --s-income: #eda100;
  --s-taxable: #2a78d6;
  --s-deferred: #eb6834;
  --s-roth: #1baf7a;

  /* Status (reserved, always with icon + label) */
  --good: #0ca30c;
  --good-text: #006300;
  --critical: #d03b3b;
  --warning: #fab219;

  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --surface-2: #232321;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;
    --s-income: #c98500;
    --s-taxable: #3987e5;
    --s-deferred: #d95926;
    --s-roth: #199e70;
    --good-text: #0ca30c;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --surface-2: #232321;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --axis: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --accent: #3987e5;
  --s-income: #c98500;
  --s-taxable: #3987e5;
  --s-deferred: #d95926;
  --s-roth: #199e70;
  --good-text: #0ca30c;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background: var(--page);
  color: var(--ink);
  font: 14px/1.45 var(--font);
}

h1, h2, h3 { margin: 0; font-weight: 600; }
h1 { font-size: 20px; }
h2 { font-size: 15px; }
h3 { font-size: 13px; color: var(--ink-2); }

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

/* ---------- Top bar ---------- */
.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.topbar .sub { margin: 2px 0 0; color: var(--ink-2); font-size: 13px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- Buttons ---------- */
.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  padding: 6px 12px;
  border-radius: 8px;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { background: var(--surface-2); }
.btn-ghost { background: transparent; }
.btn-small { padding: 3px 9px; font-size: 12px; }
.btn-icon {
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 4px 6px;
  border-radius: 6px;
}
.btn-icon:hover { color: var(--critical); background: var(--surface-2); }
button:focus-visible, input:focus-visible, select:focus-visible, label.btn:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

/* ---------- Layout ---------- */
.layout {
  display: grid;
  grid-template-columns: minmax(340px, 420px) minmax(0, 1fr);
  gap: 20px;
  padding: 20px 24px 40px;
  align-items: start;
}
.inputs {
  position: sticky;
  top: 12px;
  max-height: calc(100vh - 24px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-right: 4px;
}
.results { display: flex; flex-direction: column; gap: 16px; min-width: 0; }

@media (max-width: 900px) {
  .layout { grid-template-columns: minmax(0, 1fr); padding: 16px; }
  .inputs, .results { min-width: 0; }
  .inputs { position: static; max-height: none; overflow: visible; padding-right: 0; }
  .topbar { padding: 12px 16px; }
}

/* ---------- Input panels ---------- */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.hint { margin: 0; color: var(--ink-2); font-size: 12px; }
.hint ul { margin: 6px 0 0; padding-left: 18px; }
.hint li { margin-bottom: 4px; }
.hint summary { cursor: pointer; color: var(--ink-2); }
.warn { margin: 0; color: var(--critical); font-size: 12px; }

label {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 12px;
  color: var(--ink-2);
  min-width: 0;
}
label.check { flex-direction: row; align-items: flex-start; gap: 8px; }
label.check input { margin-top: 2px; }
.unit { color: var(--muted); font-size: 11px; }

input[type="number"], input[type="text"], input[type="month"], select {
  width: 100%;
  font: inherit;
  font-size: 13px;
  color: var(--ink);
  background: var(--page);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  min-width: 0;
}
input[type="number"] { font-variant-numeric: tabular-nums; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }

.rows { display: flex; flex-direction: column; gap: 8px; }
.row {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 10px 34px 10px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
}
.row .btn-icon { position: absolute; top: 4px; right: 4px; }
.row-2, .row-3 { align-items: end; }
.row-2 { grid-template-columns: 1fr 1fr; }
.row-3 { grid-template-columns: 1fr 1fr 1fr; }
.row .span-all { grid-column: 1 / -1; }
.row .checks { display: flex; gap: 14px; flex-wrap: wrap; }
.empty { margin: 0; font-size: 12px; color: var(--muted); font-style: italic; }
.type-key {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: 6px;
  vertical-align: -1px;
}

/* ---------- Status banner ---------- */
.status {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
}
.status .icon {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
}
.status.good .icon { background: var(--good); }
.status.bad .icon { background: var(--critical); }
.status .title { font-weight: 600; }
.status .detail { color: var(--ink-2); font-size: 13px; }

/* ---------- Controls row ---------- */
.controls-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.seg {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
}
.seg button {
  border: none;
  background: transparent;
  color: var(--ink-2);
  padding: 6px 12px;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.seg button[aria-checked="true"] { background: var(--surface-2); color: var(--ink); font-weight: 600; }

/* ---------- Tiles ---------- */
.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
}
.tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  min-width: 0;
}
.tile-label { font-size: 12px; color: var(--ink-2); }
.tile-value { font-size: 26px; font-weight: 600; margin-top: 4px; overflow-wrap: anywhere; }
.tile-hero .tile-value { font-size: 34px; }
.tile-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ---------- Cards / charts ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  min-width: 0;
}
.card-head { margin-bottom: 10px; }
.card-head p { margin: 2px 0 0; font-size: 12px; }
.chart-box { position: relative; height: 340px; }
@media (max-width: 600px) { .chart-box { height: 280px; } }

/* ---------- Table ---------- */
.table-wrap { overflow: auto; max-height: 520px; border: 1px solid var(--border); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; font-size: 12px; font-variant-numeric: tabular-nums; }
th, td { padding: 6px 10px; text-align: right; white-space: nowrap; border-bottom: 1px solid var(--grid); }
th:first-child, td:first-child, th:nth-child(2), td:nth-child(2) { text-align: left; }
thead th {
  position: sticky;
  top: 0;
  background: var(--surface-2);
  color: var(--ink-2);
  font-weight: 600;
  z-index: 1;
}
tr.retire-start td { border-top: 2px solid var(--ink-2); }
td.short { color: var(--critical); font-weight: 600; }

.disclaimer { color: var(--muted); font-size: 12px; margin: 0; }