/* Tax Weasel tools: shared tokens and components. Layout: inputs column beside a ledger-style result card; the headline number is the thesis. */
:root {
  --bg: #F6F5F0;
  --surface: #FFFFFF;
  --fg: #1F2521;
  --muted: #646B66;
  --line: #D9D7CE;
  --accent: #2E6B4F;
  --accent-ink: #FFFFFF;
  --owe: #B4501C;
  --owe-bg: #FBEFE6;
  --refund: #2E6B4F;
  --refund-bg: #E8F2EC;
  --even-bg: #ECEBE4;
  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --body: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #161A18; --surface: #1F2522; --fg: #E9E7DF; --muted: #A2A79F; --line: #343B36;
    --accent: #6BBF93; --accent-ink: #0F1512; --owe: #E8884F; --owe-bg: #2E2017;
    --refund: #6BBF93; --refund-bg: #182A20; --even-bg: #262B28; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #161A18; --surface: #1F2522; --fg: #E9E7DF; --muted: #A2A79F; --line: #343B36;
  --accent: #6BBF93; --accent-ink: #0F1512; --owe: #E8884F; --owe-bg: #2E2017;
  --refund: #6BBF93; --refund-bg: #182A20; --even-bg: #262B28; color-scheme: dark;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--body); font-size: 16px; line-height: 1.5; }
.wrap { max-width: 1080px; margin: 0 auto; padding-block: 32px 64px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }

header { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 24px; border-bottom: 2px solid var(--fg); padding-bottom: 12px; margin-bottom: 28px; }
.brand { font-family: var(--display); font-weight: 800; font-stretch: 87.5%; letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.85rem; color: var(--accent); }
h1 { font-family: var(--display); font-stretch: 87.5%; font-weight: 800; font-size: clamp(1.6rem, 3.5vw, 2.4rem); line-height: 1.1; margin: 4px 0 0; text-wrap: balance; }
.stamp { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); }

.grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 32px; align-items: start; }
@media (max-width: 820px) { .grid { grid-template-columns: 1fr; } }

fieldset { border: 0; padding: 0; margin: 0 0 22px; min-width: 0; }
legend { font-family: var(--display); font-stretch: 87.5%; font-weight: 700; font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.field { display: grid; gap: 4px; margin-bottom: 12px; }
.field label { font-weight: 600; font-size: 0.95rem; }
.field .hint { font-size: 0.82rem; color: var(--muted); line-height: 1.35; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 420px) { .two { grid-template-columns: 1fr; } }
.two.spaced { margin-top: 12px; }
input, select { font: inherit; font-variant-numeric: tabular-nums; width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 4px; background: var(--surface); color: var(--fg); }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.pre { position: relative; }
.pre input { padding-left: 24px; }
.pre::before { content: "$"; position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--muted); font-variant-numeric: tabular-nums; }
.pre.pct input { padding-left: 10px; padding-right: 26px; }
.pre.pct::before { content: "%"; left: auto; right: 10px; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 22px; min-width: 0; }
.headline { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-bottom: 18px; }
@media (max-width: 520px) { .headline { grid-template-columns: 1fr; } }
.stat { border-top: 2px solid var(--line); padding-top: 8px; }
.stat .k { font-family: var(--display); font-stretch: 87.5%; font-weight: 700; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.stat .v { font-family: var(--display); font-stretch: 87.5%; font-weight: 800; font-size: 1.9rem; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat .s { font-size: 0.85rem; color: var(--muted); }
.stat.gap { border-top-color: var(--accent); }

.verdict { padding: 12px 14px; border-radius: 4px; font-size: 1rem; margin-bottom: 20px; }
.verdict.owe { background: var(--owe-bg); color: var(--fg); border-left: 4px solid var(--owe); }
.verdict.refund { background: var(--refund-bg); border-left: 4px solid var(--refund); }
.verdict.even { background: var(--even-bg); border-left: 4px solid var(--muted); }

h2 { font-family: var(--display); font-stretch: 87.5%; font-weight: 700; font-size: 1.05rem; margin: 24px 0 10px; }
.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { text-align: right; padding: 9px 8px; border-bottom: 1px solid var(--line); vertical-align: top; font-variant-numeric: tabular-nums; }
th[scope="row"] { text-align: left; font-weight: 600; }
th.left { text-align: left; }
th[scope="row"] .note { display: block; font-weight: 400; font-size: 0.8rem; color: var(--muted); line-height: 1.35; max-width: 34ch; }
thead th { font-family: var(--display); font-stretch: 87.5%; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); border-bottom: 2px solid var(--fg); }
tfoot td, tfoot th { font-weight: 700; border-bottom: 0; border-top: 2px solid var(--fg); }
td.pos { color: var(--owe); font-weight: 600; }
td.neg { color: var(--refund); font-weight: 600; }

.shares { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 520px) { .shares { grid-template-columns: 1fr 1fr; } }
.shares div { border-top: 1px solid var(--line); padding-top: 6px; }
.shares .k { font-size: 0.78rem; color: var(--muted); }
.shares .v { font-family: var(--mono); font-size: 1.15rem; }

details { border-top: 1px solid var(--line); padding: 12px 0; }
summary { cursor: pointer; font-family: var(--display); font-stretch: 87.5%; font-weight: 700; font-size: 0.95rem; }
details p, details li { font-size: 0.92rem; color: var(--fg); max-width: 68ch; }
details ul { padding-left: 20px; }
.btn { font: inherit; font-weight: 600; background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 4px; padding: 8px 14px; cursor: pointer; }
.btn:focus-visible { outline: 2px solid var(--fg); outline-offset: 2px; }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
footer { margin-top: 48px; border-top: 1px solid var(--line); padding-top: 16px; font-size: 0.82rem; color: var(--muted); max-width: 80ch; }
footer a { color: var(--accent); }
@media (prefers-reduced-motion: no-preference) { .stat .v { transition: color 120ms; } }

/* slider */
input[type="range"] { padding: 0; accent-color: var(--accent); }
.rangeRow { display: flex; align-items: center; gap: 12px; }
.rangeRow output { font-family: var(--mono); min-width: 4ch; }
/* chart */
.chart { width: 100%; height: auto; display: block; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .zero { stroke: var(--fg); stroke-width: 1.5; }
.chart .line { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; }
.chart .dot { fill: var(--accent); stroke: var(--surface); stroke-width: 2; }
.chart .tick { fill: var(--muted); font-size: 11px; font-family: var(--mono); }
.chart .label { fill: var(--fg); font-size: 12px; font-weight: 600; font-family: var(--body); }
.verdict.good { background: var(--refund-bg); border-left: 4px solid var(--refund); }
.verdict.bad { background: var(--owe-bg); border-left: 4px solid var(--owe); }
.kv { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 8px; }
.kv div { border-top: 1px solid var(--line); padding-top: 6px; }
.kv .k { font-size: 0.78rem; color: var(--muted); }
.kv .v { font-family: var(--mono); font-size: 1.05rem; }
.check { display: flex; gap: 8px; align-items: flex-start; }
.check input { width: auto; margin-top: 4px; }

.shareurl { margin-top: 10px; font-family: var(--mono); font-size: 0.8rem; }
p.note, .note-p { font-size: 0.82rem; color: var(--muted); }

/* Site chrome shared by tool and site pages: brand line links and the footer link line. */
.brand a { color: inherit; text-decoration: none; }
.brand a:hover { text-decoration: underline; text-underline-offset: 3px; }
.brand a:focus-visible, footer a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
.footnav { margin-top: 10px; }