/* Tax Structure Calculator. One chart on top, a statement ledger below. */
:root {
    --ink: #1f2a24;
    --soft: #4a5850;
    --mute: #626e66;
    --paper: #fbf8f1;
    --rule: #ddd4be;
    --hair: #ebe4d4;
    --track: #f3eddf;
    --green: #16352a;
    --red: #b0503c;
    --serif: 'Public Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --sans: 'Public Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
}
* {
    box-sizing: border-box;
}
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
}
main a {
    color: inherit;
}
button,
input,
select {
    font: inherit;
}
main h1,
main p,
main fieldset,
main table {
    margin: 0;
}
fieldset {
    border: 0;
    padding: 0;
    min-width: 0;
}
legend {
    padding: 0;
}
:focus-visible {
    outline: 2px solid var(--ink);
    outline-offset: 3px;
}
[hidden] {
    display: none !important;
}
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}
.n {
    font-variant-numeric: tabular-nums;
}

/* Top bar */
.top {
    max-width: 640px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--mute);
    border-bottom: 1px solid var(--hair);
}
.top .brand {
    color: var(--ink);
    font-weight: 600;
    text-decoration: none;
}
.top .meta a {
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* Page */
main {
    max-width: 640px;
    margin: 0 auto;
    padding: 26px 20px 40px;
    font: 400 15px/1.45 var(--sans);
}
h1 {
    font: 600 clamp(24px, 6vw, 30px) / 1.2 var(--sans);
    letter-spacing: -0.015em;
    text-wrap: balance;
    color: var(--green);
}
.sub-meta {
    margin: 0 0 18px;
    font-size: 13px;
    color: var(--mute);
}
.sub-meta a {
    color: var(--green);
    text-decoration: none;
}
.sub-meta a:hover {
    text-decoration: underline;
}
.sub {
    margin-top: 4px;
    font-size: 13px;
    color: var(--mute);
}

/* Controls */
.controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 12px;
    margin-top: 20px;
}
.amount {
    grid-column: 1 / -1;
}
.controls label,
legend,
.split-head {
    display: block;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--mute);
    margin-bottom: 6px;
}
.money {
    display: flex;
    align-items: baseline;
    gap: 4px;
    border-bottom: 1.5px solid var(--ink);
}
.money > span {
    font: 600 22px/1 var(--sans);
    color: var(--mute);
}
.money input {
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    padding: 4px 0 8px;
    color: var(--ink);
    font: 600 38px/1 var(--sans);
    letter-spacing: -0.01em;
    font-variant-numeric: tabular-nums;
    -moz-appearance: textfield;
}
.money input::-webkit-outer-spin-button,
.money input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.money input:focus {
    outline: none;
}
input[type='range'] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 24px;
    background: transparent;
    margin: 12px 0 0;
    cursor: pointer;
}
input[type='range']::-webkit-slider-runnable-track {
    height: 3px;
    background: var(--rule);
    border-radius: 2px;
}
input[type='range']::-moz-range-track {
    height: 3px;
    background: var(--rule);
    border-radius: 2px;
}
input[type='range']::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    margin-top: -10px;
    border-radius: 50%;
    background: var(--ink);
    border: 3px solid var(--paper);
    box-shadow: 0 0 0 1px var(--ink);
}
input[type='range']::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--ink);
    border: 3px solid var(--paper);
    box-shadow: 0 0 0 1px var(--ink);
}
.ticks {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--mute);
    margin-top: 2px;
}
.seg {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border: 1px solid var(--rule);
    border-radius: 6px;
    padding: 2px;
}
.seg input {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
}
.seg label {
    margin: 0;
    text-align: center;
    padding: 7px 4px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0;
    text-transform: none;
    color: var(--mute);
    border-radius: 4px;
    cursor: pointer;
}
.seg input:checked + label {
    background: var(--ink);
    color: var(--paper);
}
.seg input:focus-visible + label {
    outline: 2px solid var(--ink);
    outline-offset: 2px;
}
.split {
    grid-column: 1 / -1;
    padding-top: 14px;
    border-top: 1px solid var(--hair);
}
.split-head {
    display: flex;
    justify-content: space-between;
}
.split-head #split-sum {
    color: var(--ink);
    font-variant-numeric: tabular-nums;
}
.split-head #split-sum.off {
    color: var(--red);
}
.split-row {
    display: grid;
    grid-template-columns: 120px 1fr 64px;
    gap: 12px;
    align-items: center;
    padding: 2px 0;
}
.split-row label {
    margin: 0;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0;
    text-transform: none;
    color: var(--ink);
}
.split-row input[type='range'] {
    margin: 0;
}
.pct {
    display: flex;
    align-items: baseline;
    gap: 2px;
    border-bottom: 1px solid var(--rule);
    font-size: 13px;
    color: var(--mute);
}
.pct input {
    width: 100%;
    min-width: 0;
    border: 0;
    background: transparent;
    padding: 4px 0;
    text-align: right;
    font-size: 15px;
    font-weight: 500;
    color: var(--ink);
    font-variant-numeric: tabular-nums;
    -moz-appearance: textfield;
}
.pct input::-webkit-outer-spin-button,
.pct input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.pct input:focus {
    outline: none;
}
.hint {
    font-size: 12px;
    color: var(--mute);
    margin-top: 8px;
}
#error {
    margin-top: 18px;
    padding: 10px 12px;
    border-radius: 6px;
    background: #f6e4dd;
    color: var(--red);
    font-size: 13px;
}

/* Chart */
.chart {
    margin-top: 28px;
}
.bar {
    margin-bottom: 16px;
}
.bar .h {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 10px;
    font-size: 13px;
    margin-bottom: 6px;
}
.bar .h b {
    font-weight: 600;
}
.bar .h span {
    color: var(--mute);
    font-size: 12px;
    white-space: nowrap;
}
.bar .h i {
    font-style: normal;
    color: var(--ink);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}
.track {
    height: 40px;
    background: var(--track);
    border-radius: 5px;
    overflow: hidden;
    display: flex;
}
.fill {
    background: var(--ink);
    color: var(--paper);
    display: flex;
    align-items: center;
    padding-left: 10px;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    flex: 0 0 auto;
    width: 0;
    transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    font-variant-numeric: tabular-nums;
}
.fill.tight {
    padding-left: 0;
}
.fill.tight span {
    display: none;
}
.rest {
    display: flex;
    align-items: center;
    padding-left: 10px;
    font-size: 12px;
    color: var(--soft);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-variant-numeric: tabular-nums;
}
.rest .lead {
    font-weight: 600;
    color: var(--ink);
    margin-right: 6px;
}
.legend {
    display: flex;
    gap: 14px;
    font-size: 11px;
    color: var(--mute);
}
.legend i {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 2px;
    vertical-align: -1px;
    margin-right: 5px;
}
.legend .dark {
    background: var(--ink);
}
.legend .light {
    background: var(--track);
}
.split-total {
    margin-top: 20px;
    border-top: 1.5px solid var(--ink);
    padding-top: 6px;
}
.split-total p {
    display: grid;
    grid-template-columns: 1fr auto 52px;
    gap: 12px;
    align-items: baseline;
    padding: 6px 0;
    font-size: 13px;
    color: var(--soft);
    border-bottom: 1px dotted var(--rule);
}
.split-total p:last-child {
    border-bottom: 0;
}
.split-total b {
    font-weight: 600;
    color: var(--ink);
    font-variant-numeric: tabular-nums;
}
.split-total em {
    font-style: normal;
    text-align: right;
    color: var(--mute);
    font-variant-numeric: tabular-nums;
}
.tagline {
    margin-top: 26px;
    font: 500 17px/1.3 var(--sans);
    color: var(--ink);
}

/* Statement */
.statement {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
    margin-top: 6px;
}
.statement th {
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink);
    padding: 22px 0 6px;
    border-bottom: 1.5px solid var(--ink);
}
.statement th.r {
    text-align: right;
    font-variant-numeric: tabular-nums;
}
.statement td {
    padding: 6px 0;
    color: var(--soft);
    border-bottom: 1px dotted var(--rule);
}
.statement td.r {
    text-align: right;
    color: var(--ink);
    font-variant-numeric: tabular-nums;
}
.statement td.neg {
    color: var(--ink);
}
.statement tr.sub td {
    color: var(--ink);
    font-weight: 500;
}
.statement tr.total td {
    color: var(--ink);
    font-weight: 600;
    border-bottom: 0;
    padding-top: 9px;
}
.statement tr.total td.r {
    font-size: 16px;
}
.statement tr.keep td {
    color: var(--mute);
    font-size: 12px;
    border-bottom: 0;
    padding-top: 0;
}
.statement tr.keep td.r {
    color: var(--green);
    font-weight: 600;
    font-size: 13px;
}
.statement .loss {
    color: var(--red);
}
.note {
    font-size: 12px;
    color: var(--mute);
    line-height: 1.5;
    margin-top: 18px;
}

/* Assumptions, footer */
.assumptions {
    margin-top: 26px;
    border-top: 1px solid var(--hair);
}
summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 14px;
    padding: 12px 0;
    font-size: 12px;
    color: var(--mute);
    line-height: 1.5;
}
summary::-webkit-details-marker {
    display: none;
}
summary b {
    color: var(--ink);
    font-weight: 500;
}
.edit {
    flex-shrink: 0;
    font-weight: 600;
    color: var(--ink);
    text-decoration: underline;
    text-underline-offset: 3px;
}
details[open] > summary .edit {
    text-decoration: none;
}
.body {
    padding: 4px 0 16px;
}
.check {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    margin-bottom: 12px;
}
.check input {
    width: 15px;
    height: 15px;
    accent-color: var(--ink);
}
.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.field label {
    display: block;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--mute);
    margin-bottom: 4px;
}
.field input,
.field select {
    width: 100%;
    min-width: 0;
    height: 36px;
    border: 0;
    border-bottom: 1px solid var(--rule);
    border-radius: 0;
    padding: 4px 0;
    background: transparent;
    color: var(--ink);
    font-size: 15px;
    font-variant-numeric: tabular-nums;
}
.field input:focus,
.field select:focus {
    outline: none;
    border-bottom-color: var(--ink);
}
.field input:disabled,
.field select:disabled {
    color: var(--mute);
    border-bottom-style: dashed;
}
.reset {
    padding: 0 0 12px;
    border: 0;
    background: none;
    color: var(--mute);
    font-size: 12px;
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
}
.reset:hover {
    color: var(--ink);
}
.calc-notes {
    border-top: 1px solid var(--hair);
    padding-top: 12px;
    font-size: 11px;
    color: var(--mute);
    line-height: 1.5;
}
.calc-notes p {
    margin: 6px 0;
}
.calc-notes summary {
    padding: 6px 0;
    font-size: 11px;
    justify-content: flex-start;
}
.calc-notes a {
    text-decoration: underline;
    text-underline-offset: 3px;
}
noscript {
    display: block;
    margin-top: 16px;
}
@media (max-width: 420px) {
    main {
        padding: 22px 16px 36px;
    }
    .top {
        padding: 12px 16px;
    }
    .split-row {
        grid-template-columns: 1fr 60px;
    }
    .split-row label {
        grid-column: 1 / -1;
        margin-bottom: -6px;
    }
    .grid {
        grid-template-columns: 1fr;
    }
}
@media (prefers-reduced-motion: reduce) {
    .fill {
        transition: none;
    }
}