:root {
  color-scheme: light;
  --bg: #f4f3ef; --surface: #fcfcfb; --surface-2: #f0efeb; --line: #e3e1da; --grid: #ece9e2;
  --ink: #0b0b0b; --ink-2: #52514e; --ink-3: #7d7b74;
  --accent: #2a78d6; --accent-ink: #ffffff; --accent-soft: #e4eefb;
  --good: #167a4a; --warn: #a86a00; --bad: #c0392b;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100; --s5: #e87ba4; --s6: #008300; --s7: #6250d6; --s8: #e34948;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #121211; --surface: #1a1a19; --surface-2: #232321; --line: #32312e; --grid: #2a2927;
    --ink: #f0efec; --ink-2: #c3c2b7; --ink-3: #8f8d84;
    --accent: #3987e5; --accent-soft: #1c2a3d;
    --good: #4cc58a; --warn: #e0a43a; --bad: #ef7a6c;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
h1, h2, h3 { margin: 0; line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: 24px; } h2 { font-size: 17px; } h3 { font-size: 14px; color: var(--ink-2); font-weight: 600; }
a { color: var(--accent); }
.muted { color: var(--ink-2); } .faint { color: var(--ink-3); } .small { font-size: 13px; }
.num { font-variant-numeric: tabular-nums; }

/* shell */
.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.nav { position: sticky; top: 0; height: 100vh; padding: 22px 14px; border-right: 1px solid var(--line); background: var(--surface); display: flex; flex-direction: column; gap: 4px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; padding: 0 10px 18px; font-size: 17px; }
.brand i { width: 26px; height: 26px; border-radius: 8px; background: var(--accent); display: grid; place-items: center; }
.brand svg { width: 16px; height: 16px; }
.nav a.tab { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 10px; text-decoration: none; color: var(--ink-2); font-weight: 500; }
.nav a.tab:hover { background: var(--surface-2); }
.nav a.tab.on { background: var(--accent-soft); color: var(--accent); }
.nav .spacer { flex: 1; }
.main { padding: 28px clamp(16px, 3vw, 40px) 80px; max-width: 1240px; width: 100%; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.page-head p { margin: 4px 0 0; color: var(--ink-2); }

/* cards & grids */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.card + .card, .grid + .card, .card + .grid, .grid + .grid { margin-top: 16px; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g-wide { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); }
.kpi .label { color: var(--ink-2); font-size: 13px; }
.kpi .value { font-size: 26px; font-weight: 650; letter-spacing: -0.02em; margin-top: 2px; font-variant-numeric: tabular-nums; }
.kpi .sub { font-size: 13px; color: var(--ink-3); margin-top: 2px; }
.chart-box { position: relative; height: 320px; }
.chart-box.tall { height: 380px; } .chart-box.short { height: 240px; }

/* hero */
.hero { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 28px; align-items: center; }
.hero .big { font-size: clamp(30px, 5vw, 46px); font-weight: 700; letter-spacing: -0.03em; line-height: 1.05; }
.hero .eyebrow { font-size: 13px; font-weight: 600; color: var(--ink-2); text-transform: uppercase; letter-spacing: .06em; }
.bar { height: 14px; border-radius: 8px; background: var(--surface-2); overflow: hidden; margin: 10px 0 6px; }
.bar > div { height: 100%; background: var(--accent); border-radius: 8px; transition: width .4s; }
.bar-meta { display: flex; justify-content: space-between; font-size: 13px; color: var(--ink-2); }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600; background: var(--surface-2); color: var(--ink-2); }
.chip.good { background: color-mix(in srgb, var(--good) 14%, transparent); color: var(--good); }
.chip.warn { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }
.chip.bad { background: color-mix(in srgb, var(--bad) 14%, transparent); color: var(--bad); }
.stat-list { display: grid; gap: 10px; }
.stat-list div { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--line); padding-bottom: 8px; }
.stat-list div:last-child { border: 0; padding: 0; }
.banner { display: flex; gap: 12px; align-items: center; justify-content: space-between; background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); padding: 12px 16px; border-radius: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.banner.warn { background: color-mix(in srgb, var(--warn) 12%, transparent); border-color: color-mix(in srgb, var(--warn) 35%, transparent); }

/* forms & buttons */
button, .btn { font: inherit; font-weight: 600; border: 1px solid var(--line); background: var(--surface); color: var(--ink); padding: 8px 14px; border-radius: 10px; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
button:hover, .btn:hover { background: var(--surface-2); }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
button.primary:hover { filter: brightness(1.08); }
button.danger { color: var(--bad); }
button.ghost { border-color: transparent; background: transparent; color: var(--ink-2); }
button.small { padding: 4px 10px; font-size: 13px; }
button:disabled { opacity: .5; cursor: default; }
input, select, textarea { font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; width: 100%; min-width: 0; }
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
label.field { display: grid; gap: 4px; font-size: 13px; color: var(--ink-2); font-weight: 500; }
label.field .hint { font-weight: 400; color: var(--ink-3); font-size: 12px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
input[type=checkbox] { width: auto; }
.check { display: inline-flex; gap: 6px; align-items: center; font-size: 13.5px; }
.pills { display: flex; gap: 8px; flex-wrap: wrap; }
.pill { cursor: pointer; padding: 5px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); font-size: 13px; }
.pill.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }

/* tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-3); font-weight: 600; white-space: nowrap; }
td.r, th.r { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:hover { background: var(--surface-2); }
tr.group td { background: var(--surface-2); font-weight: 600; font-size: 13px; color: var(--ink-2); }
.delta.up { color: var(--good); } .delta.down { color: var(--bad); }
td input { padding: 6px 8px; }

/* legend */
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; color: var(--ink-2); margin-bottom: 8px; }
.legend span { display: inline-flex; gap: 6px; align-items: center; }
.legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }

/* modal + toast */
dialog { border: 1px solid var(--line); border-radius: 16px; padding: 22px; background: var(--surface); color: var(--ink); width: min(560px, calc(100vw - 24px)); max-height: 90vh; overflow: auto; }
dialog::backdrop { background: rgba(0,0,0,.4); }
#toast { position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--ink); color: var(--surface); padding: 10px 16px; border-radius: 10px; opacity: 0; pointer-events: none; transition: .25s; z-index: 50; font-weight: 500; }
#toast.show { opacity: 1; transform: translateX(-50%); }

/* auth */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.auth .card { width: min(420px, 100%); display: grid; gap: 14px; }
.error { color: var(--bad); font-size: 13.5px; min-height: 1em; }

/* mobile */
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .nav { position: fixed; top: auto; bottom: 0; left: 0; right: 0; height: auto; z-index: 20; flex-direction: row; border-right: 0; border-top: 1px solid var(--line); padding: 6px 4px calc(6px + env(safe-area-inset-bottom)); gap: 0; overflow-x: auto; }
  .nav .brand, .nav .spacer { display: none; }
  .nav a.tab { flex: 1; flex-direction: column; gap: 2px; font-size: 11px; padding: 6px 8px; min-width: 62px; text-align: center; }
  .main { padding-top: 18px; }
  .g2, .g3, .g4, .g-wide, .hero { grid-template-columns: 1fr; }
  .g4.kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chart-box { height: 260px; } .chart-box.tall { height: 300px; }
  .hide-sm { display: none; }
}
@media (max-width: 520px) { .g3.keep { grid-template-columns: 1fr; } h1 { font-size: 21px; } }

/* History table: keep account names pinned while scrolling through dates */
table.hist th:first-child, table.hist td:first-child { position: sticky; left: 0; z-index: 1; background: var(--surface); min-width: 170px; box-shadow: 1px 0 0 var(--line); }
table.hist tr.group td:first-child { background: var(--surface-2); }
table.hist tbody tr:hover td:first-child { background: var(--surface-2); }
table.hist th a { white-space: nowrap; }

table.hist tr.lvl1 td { background: var(--surface-2); font-weight: 650; cursor: pointer; border-top: 1px solid var(--line); }
table.hist tr.lvl1 td:first-child, table.hist tr.lvl2 td:first-child { cursor: pointer; }
table.hist tr.lvl2 td { font-weight: 550; color: var(--ink); cursor: pointer; }
table.hist tr.lvl2 td:first-child { padding-left: 26px; }
table.hist tr.acct td:first-child { padding-left: 46px; color: var(--ink-2); }
table.hist tr.acct td { font-size: 13.5px; }
table.hist tr.total td { border-top: 1px solid var(--line); }
table.hist tr.lvl1 td:first-child { background: var(--surface-2); }
.caret { display: inline-block; width: 12px; color: var(--ink-3); font-size: 11px; }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin-right: 6px; }

/* Check-in column on the History page */
table.hist th.edit-col, table.hist td.edit-col { background: color-mix(in srgb, var(--accent) 7%, var(--surface)); min-width: 150px; }
table.hist td.edit-col input, table.hist th.edit-col input { padding: 5px 7px; text-align: right; font-variant-numeric: tabular-nums; }
table.hist input.ck-in.changed { border-color: var(--accent); background: var(--accent-soft); }
table.hist tr.ratebar td { border-bottom: 1px solid var(--line); }
table.hist tr.lvl1 td.edit-col { background: color-mix(in srgb, var(--accent) 12%, var(--surface-2)); }

/* Plan → Assumptions */
.assume-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px 32px; }
.assume { display: grid; gap: 8px; align-content: start; }
.assume label { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.assume .hint { margin: 0; font-size: 13px; color: var(--ink-3); line-height: 1.45; }
.suffix-input { display: flex; align-items: center; gap: 8px; }
.suffix-input input { width: 110px; text-align: right; font-variant-numeric: tabular-nums; }
.suffix-input span { color: var(--ink-2); font-size: 13.5px; }