:root {
  --paper: #f4f6f8;
  --sheet: #ffffff;
  --ink: #13202f;
  --ink-2: #4a5868;
  --rule: #d5dce4;
  --rule-strong: #9fb0c2;
  --blue: #1d4e89;
  --blue-soft: #e7eef7;
  --green: #2e7d5b;
  --green-soft: #e3f2ea;
  --amber: #8f5a0c;
  --amber-soft: #fbf0dc;
  --slate: #5d6977;
  --slate-soft: #eceff3;
  --red: #b42318;
  --red-soft: #fdecea;
  --focus: #2f6fd1;
  --font: 'Public Sans', 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0f1720;
    --sheet: #16212d;
    --ink: #e6edf4;
    --ink-2: #a7b4c2;
    --rule: #2a3a4b;
    --rule-strong: #4a5f75;
    --blue: #8db6ea;
    --blue-soft: #1c2f45;
    --green: #74c69d;
    --green-soft: #173327;
    --amber: #e8b45e;
    --amber-soft: #36290f;
    --slate: #a7b4c2;
    --slate-soft: #222f3d;
    --red: #f2877c;
    --red-soft: #3a1c1a;
    --focus: #8db6ea;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: var(--font); color: var(--ink); background: var(--paper); font-size: 15px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
.num, td.num, .amount { font-variant-numeric: tabular-nums; }
a { color: var(--blue); }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
h1, h2, h3 { line-height: 1.2; margin: 0; }

/* ---------- top bar ---------- */
.bar { background: var(--sheet); border-bottom: 1px solid var(--rule); position: sticky; top: 0; z-index: 10; }
.bar-in { max-width: 1280px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; gap: 28px; min-height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.brand b { font-size: 17px; font-weight: 700; letter-spacing: -0.01em; }
.brand span { color: var(--ink-2); font-size: 13px; }
.tabs { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.tabs button { background: none; border: 0; padding: 18px 12px 16px; cursor: pointer; color: var(--ink-2); border-bottom: 3px solid transparent; white-space: nowrap; }
.tabs button[aria-current="page"] { color: var(--ink); border-bottom-color: var(--blue); font-weight: 600; }
.who { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--ink-2); white-space: nowrap; }
.link { background: none; border: 0; color: var(--blue); cursor: pointer; padding: 4px 0; text-decoration: underline; text-underline-offset: 3px; }

main { max-width: 1280px; margin: 0 auto; padding: 28px 24px 64px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.page-head h1 { font-size: 26px; font-weight: 700; letter-spacing: -0.015em; }
.page-head p { margin: 6px 0 0; color: var(--ink-2); max-width: 70ch; }

/* ---------- buttons & fields ---------- */
.btn { border: 1px solid var(--rule-strong); background: var(--sheet); padding: 9px 16px; border-radius: 6px; cursor: pointer; font-weight: 500; }
.btn:hover { border-color: var(--ink-2); }
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; }
@media (prefers-color-scheme: dark) { .btn.primary { color: #0f1720; } }
.btn.danger { color: var(--red); border-color: var(--red); background: transparent; }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: default; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field > span { font-size: 13px; font-weight: 600; }
.field small { color: var(--ink-2); font-size: 12.5px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=url], input[type=search], select, textarea {
  border: 1px solid var(--rule-strong); background: var(--sheet); border-radius: 6px; padding: 9px 11px; width: 100%; min-width: 0;
}
textarea { min-height: 72px; resize: vertical; }
input[type=number] { font-variant-numeric: tabular-nums; }
.money { position: relative; }
.money input { padding-left: 24px; }
.money::before { content: '$'; position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--ink-2); pointer-events: none; }
.check { display: flex; gap: 9px; align-items: flex-start; font-size: 14px; cursor: pointer; }
.check input { margin-top: 3px; width: 16px; height: 16px; accent-color: var(--blue); }
.err { color: var(--red); font-size: 13.5px; min-height: 1em; }

/* ---------- auth ---------- */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-card { width: 100%; max-width: 420px; background: var(--sheet); border: 1px solid var(--rule); border-radius: 10px; padding: 32px; }
.auth-card h1 { font-size: 22px; margin-bottom: 6px; }
.auth-card p.lead { color: var(--ink-2); margin: 0 0 22px; }
.auth-card form { display: grid; gap: 14px; }
.auth-foot { margin-top: 18px; font-size: 14px; color: var(--ink-2); }
.stamp { display: inline-block; border: 2px solid var(--blue); color: var(--blue); padding: 3px 10px; border-radius: 4px; font-weight: 700; font-size: 12.5px; letter-spacing: .04em; transform: rotate(-2deg); margin-bottom: 18px; }

/* ---------- estimate layout ---------- */
.est { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); gap: 28px; align-items: start; }
@media (max-width: 1000px) { .est { grid-template-columns: 1fr; } }
.form-col { display: grid; gap: 18px; }
.panel { background: var(--sheet); border: 1px solid var(--rule); border-radius: 8px; padding: 20px; }
.panel h2 { font-size: 15px; font-weight: 700; margin-bottom: 14px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .grid2, .grid3 { grid-template-columns: 1fr; } }
.seg { display: inline-grid; grid-auto-flow: column; border: 1px solid var(--rule-strong); border-radius: 7px; overflow: hidden; background: var(--sheet); }
.seg button { border: 0; background: none; padding: 9px 16px; cursor: pointer; color: var(--ink-2); }
.seg button + button { border-left: 1px solid var(--rule-strong); }
.seg button[aria-pressed="true"] { background: var(--blue); color: #fff; font-weight: 600; }
@media (prefers-color-scheme: dark) { .seg button[aria-pressed="true"] { color: #0f1720; } }
.direction { display: flex; flex-direction: column; gap: 8px; }
.direction .seg { width: 100%; grid-auto-columns: 1fr; }
.hs-picked { margin-top: 8px; font-size: 13.5px; color: var(--ink-2); }
.hs-picked b { color: var(--ink); font-weight: 600; }
.suggest { border: 1px solid var(--rule); border-radius: 6px; margin-top: 6px; max-height: 260px; overflow: auto; }
.suggest button { display: block; width: 100%; text-align: left; border: 0; border-bottom: 1px solid var(--rule); background: var(--sheet); padding: 9px 11px; cursor: pointer; }
.suggest button:last-child { border-bottom: 0; }
.suggest button:hover, .suggest button:focus-visible { background: var(--blue-soft); }
.suggest .c { font-weight: 600; font-variant-numeric: tabular-nums; }
.suggest .d { display: block; font-size: 13px; color: var(--ink-2); }
details.more summary { cursor: pointer; font-weight: 600; font-size: 14px; color: var(--blue); }
details.more[open] summary { margin-bottom: 14px; }

/* ---------- the ledger (entry summary) ---------- */
.ledger { background: var(--sheet); border: 1px solid var(--rule-strong); border-radius: 8px; position: sticky; top: 84px; }
.ledger-head { padding: 18px 22px 14px; border-bottom: 2px solid var(--ink); display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; }
.ledger-head h2 { font-size: 18px; font-weight: 700; }
.ledger-head .route { color: var(--ink-2); font-size: 13.5px; grid-column: 1 / -1; }
.ledger-head .ref { font-size: 13px; color: var(--ink-2); text-align: right; }
.ledger table { width: 100%; border-collapse: collapse; }
.ledger th { text-align: left; font-size: 12px; font-weight: 600; color: var(--ink-2); padding: 10px 12px 6px; border-bottom: 1px solid var(--rule); }
.ledger th.r, .ledger td.r { text-align: right; }
.ledger td { padding: 10px 12px; border-bottom: 1px solid var(--rule); vertical-align: top; font-size: 14px; }
.ledger td:first-child, .ledger th:first-child { padding-left: 22px; }
.ledger td:last-child, .ledger th:last-child { padding-right: 22px; }
.ledger .lbl { font-weight: 600; }
.ledger .auth-tag { display: block; font-size: 12.5px; color: var(--ink-2); font-weight: 400; }
.ledger .note { display: block; font-size: 12.5px; color: var(--ink-2); margin-top: 3px; max-width: 46ch; }
.ledger .note a { font-size: 12.5px; }
.ledger tr.zero td { color: var(--ink-2); }
.ledger tr.zero .lbl { font-weight: 500; }
.ledger tr.group td { background: var(--paper); font-size: 12.5px; font-weight: 700; padding-top: 8px; padding-bottom: 8px; color: var(--ink-2); }
.ledger tr.sub td { font-weight: 600; border-bottom: 1px solid var(--rule-strong); }
.ledger tr.total td { border-top: 2px solid var(--ink); border-bottom: 0; font-size: 17px; font-weight: 700; padding-top: 14px; padding-bottom: 16px; }
.ledger tr.total td .eff { display: block; font-size: 12.5px; font-weight: 500; color: var(--ink-2); }
.ledger-foot { padding: 14px 22px 18px; border-top: 1px solid var(--rule); display: grid; gap: 12px; }
.ledger-empty { padding: 40px 22px; color: var(--ink-2); }
.warns { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; }
.warns li { font-size: 13px; padding: 8px 10px; border-left: 3px solid var(--amber); background: var(--amber-soft); border-radius: 0 4px 4px 0; }
.save-row { display: flex; gap: 10px; flex-wrap: wrap; }
.save-row input { flex: 1; min-width: 180px; }

/* status marks */
.st { display: inline-block; font-size: 11.5px; font-weight: 600; padding: 1px 7px; border-radius: 999px; white-space: nowrap; vertical-align: 1px; }
.st.verified { color: var(--green); background: var(--green-soft); }
.st.unverified { color: var(--slate); background: var(--slate-soft); }
.st.review { color: var(--amber); background: var(--amber-soft); }
.st.estimate { color: var(--slate); background: var(--slate-soft); border: 1px dashed var(--rule-strong); }
.st.user { color: var(--blue); background: var(--blue-soft); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12.5px; color: var(--ink-2); }
.legend span { display: inline-flex; gap: 6px; align-items: center; }

/* ---------- data tables ---------- */
.tbl-wrap { overflow-x: auto; background: var(--sheet); border: 1px solid var(--rule); border-radius: 8px; }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th { text-align: left; font-size: 12.5px; font-weight: 600; color: var(--ink-2); padding: 11px 12px; border-bottom: 1px solid var(--rule-strong); white-space: nowrap; background: var(--sheet); }
table.data td { padding: 10px 12px; border-bottom: 1px solid var(--rule); vertical-align: top; }
table.data tr:last-child td { border-bottom: 0; }
table.data td.num, table.data th.num { text-align: right; white-space: nowrap; }
table.data td.wrap { max-width: 42ch; }
table.data td.act { white-space: nowrap; text-align: right; }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar input[type=search] { max-width: 340px; }
.muted { color: var(--ink-2); }
.subtabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; }
.subtabs button { border: 1px solid var(--rule-strong); background: var(--sheet); border-radius: 999px; padding: 6px 14px; cursor: pointer; font-size: 14px; }
.subtabs button[aria-current="true"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.pill-count { display: inline-block; margin-left: 6px; background: var(--red); color: #fff; border-radius: 999px; font-size: 11.5px; padding: 0 7px; font-weight: 700; }
.empty { padding: 36px 20px; text-align: center; color: var(--ink-2); }

/* lookup cards */
.results { display: grid; gap: 10px; }
.result { background: var(--sheet); border: 1px solid var(--rule); border-radius: 8px; padding: 14px 16px; display: grid; grid-template-columns: 1fr auto; gap: 6px 16px; align-items: start; }
.result .code { font-weight: 700; font-size: 16px; font-variant-numeric: tabular-nums; }
.result .desc { grid-column: 1; color: var(--ink); }
.result .meta { grid-column: 1; font-size: 13px; color: var(--ink-2); }
.result .btn { grid-row: 1 / span 3; grid-column: 2; align-self: center; }

/* dialog */
dialog { border: 1px solid var(--rule-strong); border-radius: 10px; padding: 0; width: min(640px, 94vw); background: var(--sheet); color: var(--ink); }
dialog::backdrop { background: rgba(10, 20, 30, .45); }
.dlg-head { padding: 18px 22px; border-bottom: 1px solid var(--rule); display: flex; justify-content: space-between; align-items: center; }
.dlg-head h2 { font-size: 17px; }
.dlg-body { padding: 18px 22px; display: grid; gap: 14px; max-height: 66vh; overflow: auto; }
.dlg-foot { padding: 14px 22px; border-top: 1px solid var(--rule); display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }
.dlg-foot .spacer { flex: 1; }
.code-box { font-size: 18px; font-weight: 700; padding: 10px 12px; background: var(--paper); border-radius: 6px; user-select: all; }

#toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--paper); padding: 10px 18px; border-radius: 6px; font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 50; }
#toast.show { opacity: 1; }
@media (prefers-reduced-motion: reduce) { #toast { transition: none; } }

@media print {
  .bar, .form-col, .ledger-foot .save-row, .no-print { display: none !important; }
  body { background: #fff; }
  .est { display: block; }
  .ledger { position: static; border: 0; }
  main { padding: 0; }
}

/* return claim */
.return-box { padding: 16px 22px 6px; border-bottom: 1px solid var(--rule); display: grid; gap: 12px; }
.claim { border-radius: 6px; padding: 12px 14px; display: grid; gap: 8px; font-size: 13.5px; border-left: 4px solid var(--slate); background: var(--slate-soft); }
.claim.ok { border-left-color: var(--green); background: var(--green-soft); }
.claim.warn { border-left-color: var(--amber); background: var(--amber-soft); }
.claim.no { border-left-color: var(--red); background: var(--red-soft); }
.claim.info { border-left-color: var(--blue); background: var(--blue-soft); }
.claim ul { margin: 0; padding-left: 18px; }
.claim > span { color: var(--ink-2); font-size: 12.5px; }
.compare { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.compare span { display: block; font-size: 12px; color: var(--ink-2); }
.compare strong { font-size: 17px; font-variant-numeric: tabular-nums; }
.docs-head { font-size: 13px; font-weight: 700; }
ul.docs { list-style: none; margin: 0; padding: 0 0 8px; display: grid; gap: 8px; }
ul.docs .check { font-size: 13.5px; }
.gap-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; margin-bottom: 16px; }
.gap-cards button { text-align: left; border: 1px solid var(--rule); background: var(--sheet); border-radius: 8px; padding: 12px 14px; cursor: pointer; }
.gap-cards button[aria-pressed="true"] { border-color: var(--blue); box-shadow: inset 0 0 0 1px var(--blue); }
.gap-cards strong { display: block; font-size: 22px; font-variant-numeric: tabular-nums; }
.gap-cards span { font-size: 12.5px; color: var(--ink-2); }
@media print { .return-box input { display: none; } }

/* ---------- guided estimate ---------- */
.tasks { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; margin-bottom: 22px; }
.tasks button { text-align: left; background: var(--sheet); border: 1px solid var(--rule); border-radius: 10px; padding: 14px 16px; cursor: pointer; display: grid; gap: 4px; }
.tasks button b { font-size: 15.5px; }
.tasks button span { font-size: 13.5px; color: var(--ink-2); }
.tasks button[aria-checked="true"] { border-color: var(--blue); box-shadow: inset 0 0 0 2px var(--blue); background: var(--blue-soft); }
.step-n { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--blue); color: #fff; font-size: 12.5px; margin-right: 9px; vertical-align: 1px; }
@media (prefers-color-scheme: dark) { .step-n { color: #0f1720; } }
.answer { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--rule); border-bottom: 1px solid var(--rule); }
.answer > div { background: var(--sheet); padding: 16px 22px; display: grid; gap: 2px; }
.answer span { font-size: 12.5px; color: var(--ink-2); font-weight: 600; }
.answer strong { font-size: 26px; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.answer small { color: var(--ink-2); font-size: 12.5px; }
.next { padding: 14px 22px; border-bottom: 1px solid var(--rule); background: var(--amber-soft); font-size: 13.5px; }
.next ul { margin: 6px 0 0; padding-left: 18px; display: grid; gap: 4px; }
details.breakdown > summary, details.good-to-know > summary { cursor: pointer; padding: 12px 22px; font-weight: 600; font-size: 14px; color: var(--blue); }
details.breakdown { border-bottom: 1px solid var(--rule); }
details.good-to-know > summary { padding: 0 0 8px; }
.ledger-head { border-bottom-width: 1px; }

/* ---------- AI helper ---------- */
.ai-card { margin-top: 14px; border: 1px dashed var(--rule-strong); border-radius: 8px; padding: 12px 14px; display: grid; gap: 8px; font-size: 13.5px; background: var(--paper); }
.ai-card > span { color: var(--ink-2); }
.ai-card .btn { justify-self: start; }
.ai-result { display: grid; gap: 10px; }
.cand { border: 1px solid var(--rule); border-radius: 6px; padding: 10px 12px; background: var(--sheet); display: grid; gap: 4px; }
.cand-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cand-top .btn { margin-left: auto; }
.dg-yes { color: var(--red); }
.ai-result ul { margin: 4px 0 0; padding-left: 18px; }

/* ---------- classification ---------- */
.wave-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 14px; }
.wave-row .field.inline { min-width: 190px; }
.wave-row input[type=search] { max-width: 260px; }
.progress { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; font-size: 13.5px; color: var(--ink-2); }
.progress-bar { flex: 0 0 220px; height: 8px; border-radius: 99px; background: var(--rule); overflow: hidden; }
.progress-bar i { display: block; height: 100%; background: var(--green); }
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; font-size: 14px; }
.facts span:first-child { display: block; font-size: 12px; font-weight: 600; color: var(--ink-2); }
.dg-note { border-left: 4px solid var(--red); background: var(--red-soft); padding: 10px 12px; border-radius: 0 6px 6px 0; font-size: 13.5px; }
.similar { margin-top: 14px; display: grid; gap: 6px; }
.similar-list { max-height: 150px; overflow: auto; border: 1px solid var(--rule); border-radius: 6px; padding: 8px 10px; display: grid; gap: 6px; }
@media (max-width: 560px) { .facts { grid-template-columns: 1fr; } .answer { grid-template-columns: 1fr; } }