/* ============================================================
   Mileage & Expenses Tracker — Niggly Stuff
   Calm, warm, mobile-first. One confident accent colour.
   ============================================================ */

:root {
  --accent:        #1D5C96;   /* Niggly Stuff brass-blue */
  --accent-dark:   #164A7A;
  --accent-soft:   #e8f0f8;
  --accent-line:   #c2d8ec;

  --ink:           #132A45;   /* navy ink */
  --ink-soft:      #55676f;
  --ink-faint:     #7d8b91;

  --bg:            #f7f5f0;    /* warm parchment */
  --card:          #ffffff;
  --line:          #e4e1da;
  --line-strong:   #d3cec4;

  --good:          #2f7d5b;   /* green = good (semantic) */
  --good-soft:     #e7f4ec;
  --good-line:     #bfe0cd;
  --warn:          #b06a00;
  --warn-soft:     #fdf2e2;
  --stop:          #b3261e;
  --stop-soft:     #fbeceb;
  --info:          #2563a8;
  --info-soft:     #eaf1fa;

  --radius:        14px;
  --radius-sm:     9px;
  --shadow:        0 1px 2px rgba(19,42,69,.04), 0 8px 24px rgba(19,42,69,.06);
  --shadow-sm:     0 1px 2px rgba(19,42,69,.06);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  font-size: 16px;
}

.wrap { width: 100%; max-width: 860px; margin: 0 auto; padding: 0 20px; }

a { color: var(--accent-dark); }
a:hover { color: var(--accent); }

h1, h2, h3, h4 { line-height: 1.25; color: var(--ink); }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--accent); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0; z-index: 50;
}
.skip-link:focus { left: 0; }

/* ---------- Header ---------- */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 20px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 40px; height: 40px; flex: 0 0 auto;
  display: grid; place-items: center;
}
.brand-mark svg { width: 100%; height: 100%; display: block; }
.brand-title { margin: 0; font-weight: 700; font-size: 1.05rem; }
.brand-sub { margin: 0; font-size: .8rem; color: var(--ink-faint); }
.brand-sub a { color: var(--ink-faint); text-decoration: underline; }
.privacy-badge {
  display: inline-flex; align-items: center; gap: 6px; margin: 0;
  font-size: .78rem; font-weight: 600; color: var(--accent-dark);
  background: var(--accent-soft); border: 1px solid var(--accent-line);
  padding: 6px 11px; border-radius: 999px;
}

/* ---------- Stepper ---------- */
.stepper { margin-top: 18px; }
.stepper ol {
  list-style: none; display: flex; gap: 6px; margin: 0; padding: 0;
  counter-reset: none; overflow-x: auto;
}
.stepper li {
  display: flex; align-items: center; gap: 8px; flex: 1 1 0; min-width: max-content;
  color: var(--ink-faint); font-size: .82rem; font-weight: 600;
}
.stepper .dot {
  width: 24px; height: 24px; border-radius: 999px; display: grid; place-items: center;
  background: #fff; border: 1.5px solid var(--line-strong); color: var(--ink-faint);
  font-size: .78rem; flex: 0 0 auto;
}
.stepper li.done .dot { background: var(--accent); border-color: var(--accent); color: #fff; }
.stepper li.active .dot { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-dark); }
.stepper li.active { color: var(--accent-dark); }
.stepper li.done { color: var(--ink-soft); }
.stepper li.hidden-step { display: none; }

/* ---------- Main / cards ---------- */
#app { padding: 22px 20px 8px; }
#app:focus { outline: none; }
.loading { color: var(--ink-faint); padding: 40px 0; text-align: center; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 26px; margin-bottom: 18px;
}
.card > h1 { font-size: 1.5rem; margin: 0 0 6px; }
.card > h2 { font-size: 1.25rem; margin: 0 0 6px; }
.lead { color: var(--ink-soft); margin: 0 0 18px; }
.eyebrow { text-transform: uppercase; letter-spacing: .07em; font-size: .72rem; font-weight: 700; color: var(--accent-dark); margin: 0 0 6px; }

.field { margin-bottom: 18px; }
.field > label, .field > .field-label {
  display: block; font-weight: 600; margin-bottom: 7px; font-size: .95rem;
}
.field .hint { font-size: .82rem; color: var(--ink-faint); margin: 3px 0 8px; font-weight: 400; }

input[type="text"], input[type="number"], input[type="date"], select, textarea {
  width: 100%; padding: 11px 13px; font-size: 1rem; font-family: inherit; color: var(--ink);
  background: #fff; border: 1.5px solid var(--line-strong); border-radius: var(--radius-sm);
  transition: border-color .15s, box-shadow .15s;
}
textarea { min-height: 76px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft);
}
.input-prefix { position: relative; }
.input-prefix > span { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--ink-faint); pointer-events: none; }
.input-prefix input { padding-left: 26px; }

/* radio / option cards */
.options { display: grid; gap: 10px; }
.opt {
  display: flex; gap: 12px; align-items: flex-start; padding: 14px 15px; cursor: pointer;
  border: 1.5px solid var(--line-strong); border-radius: var(--radius-sm); background: #fff;
  transition: border-color .15s, background .15s, box-shadow .15s;
}
.opt:hover { border-color: var(--accent-line); background: var(--accent-soft); }
.opt input { margin-top: 3px; accent-color: var(--accent); width: 18px; height: 18px; flex: 0 0 auto; }
.opt .opt-main { display: block; }
.opt .opt-title { font-weight: 600; display: block; }
.opt .opt-desc { font-size: .84rem; color: var(--ink-soft); display: block; margin-top: 2px; }
.opt.selected { border-color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 1px var(--accent) inset; }

.check {
  display: inline-flex; align-items: center; gap: 9px; font-size: .95rem; cursor: pointer;
}
.check input { width: 18px; height: 18px; accent-color: var(--accent); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-size: 1rem; font-weight: 600; cursor: pointer;
  padding: 12px 22px; border-radius: var(--radius-sm); border: 1.5px solid transparent;
  transition: background .15s, border-color .15s, color .15s, transform .05s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-dark); }
.btn-subtle { background: transparent; color: var(--ink-soft); border-color: transparent; padding: 10px 12px; }
.btn-subtle:hover { color: var(--accent-dark); }
.btn-danger { background: #fff; color: var(--stop); border-color: #edc9c6; }
.btn-danger:hover { background: var(--stop-soft); }
.btn:focus-visible { outline: 3px solid var(--accent-soft); outline-offset: 1px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn-lg { padding: 14px 26px; font-size: 1.05rem; }

.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.actions.spread { justify-content: space-between; }

/* callouts */
.callout { border-radius: var(--radius-sm); padding: 13px 15px; font-size: .9rem; margin: 14px 0; border: 1px solid; }
.callout p { margin: 0 0 6px; } .callout p:last-child { margin: 0; }
.callout-info { background: var(--info-soft); border-color: #cfe0f2; color: #1c3d63; }
.callout-warn { background: var(--warn-soft); border-color: #f3dcb4; color: #6d4300; }
.callout-stop { background: var(--stop-soft); border-color: #f0cecb; color: #7c1c16; }
.callout-good { background: var(--good-soft); border-color: var(--good-line); color: #1f5e42; }
.callout strong { font-weight: 700; }

/* status pills */
.pill { display: inline-block; font-size: .72rem; font-weight: 700; padding: 2px 9px; border-radius: 999px; white-space: nowrap; }
.pill-standard { background: var(--info-soft); color: #1c3d63; }
.pill-zero     { background: #eef7ee; color: #256b2a; }
.pill-exempt   { background: #f2eefb; color: #5b3fa0; }
.pill-outside_scope { background: #f0f2f3; color: #55676f; }
.pill-reverse_charge { background: var(--warn-soft); color: #6d4300; }

/* ---------- Add-item category grid ---------- */
.cat-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
.cat-btn {
  text-align: left; display: flex; gap: 12px; align-items: center; width: 100%;
  padding: 14px 16px; border: 1.5px solid var(--line-strong); border-radius: var(--radius-sm);
  background: #fff; cursor: pointer; font: inherit; color: var(--ink); transition: border-color .15s, background .15s;
}
.cat-btn:hover { border-color: var(--accent); background: var(--accent-soft); }
.cat-btn:focus-visible { outline: 3px solid var(--accent-soft); }
.cat-btn .cat-ico { width: 34px; height: 34px; border-radius: 9px; background: var(--accent-soft); color: var(--accent-dark); display: grid; place-items: center; flex: 0 0 auto; }
.cat-btn .cat-title { font-weight: 600; display: block; }
.cat-btn .cat-sub { font-size: .82rem; color: var(--ink-faint); display: block; }

/* ---------- Review table ---------- */
.review-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 4px 0 20px; }
.stat { background: var(--accent-soft); border: 1px solid var(--accent-line); border-radius: var(--radius-sm); padding: 14px; }
.stat .stat-label { font-size: .76rem; color: var(--accent-dark); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.stat .stat-val { font-size: 1.4rem; font-weight: 700; color: var(--ink); margin-top: 2px; }

.item-list { display: grid; gap: 12px; }
.item-row {
  border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 15px; background: #fff;
}
.item-row.excluded { background: #fbfbfb; border-style: dashed; }
.item-head { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; flex-wrap: wrap; }
.item-title { font-weight: 600; }
.item-meta { font-size: .8rem; color: var(--ink-faint); }
.item-amount { font-weight: 700; font-size: 1.05rem; white-space: nowrap; }
.item-why { font-size: .85rem; color: var(--ink-soft); margin: 8px 0 0; display: flex; gap: 8px; align-items: flex-start; }
.item-maths { font-size: .82rem; color: var(--ink-soft); margin-top: 6px; font-variant-numeric: tabular-nums; }
.item-maths span { display: inline-block; background: #f4f6f6; border-radius: 6px; padding: 1px 7px; margin: 2px 4px 2px 0; }
.item-controls { display: flex; gap: 6px; margin-top: 10px; }
.tag-overseas { font-size: .72rem; font-weight: 700; color: var(--warn); background: var(--warn-soft); padding: 1px 8px; border-radius: 999px; }

.empty-note { text-align: center; color: var(--ink-faint); padding: 24px; border: 1.5px dashed var(--line-strong); border-radius: var(--radius-sm); }

/* BIK breakdown */
.bik-lines { display: grid; gap: 8px; margin: 12px 0; }
.bik-line { display: flex; justify-content: space-between; gap: 12px; padding: 10px 12px; background: #f7f9f9; border-radius: 8px; }
.bik-line .bl-label { color: var(--ink-soft); }
.bik-line .bl-val { font-weight: 700; font-variant-numeric: tabular-nums; }
.bik-line.total { background: var(--accent-soft); }
.bik-steps { font-size: .84rem; color: var(--ink-soft); margin: 6px 0 0; padding-left: 18px; }
.bik-steps li { margin: 2px 0; }

/* ---------- Guidance panel ---------- */
.guidance-wrap { margin: 16px auto; }
.guidance { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; }
.guidance > summary {
  list-style: none; cursor: pointer; padding: 16px 20px; font-weight: 700; color: var(--ink);
  display: flex; justify-content: space-between; align-items: center;
}
.guidance > summary::-webkit-details-marker { display: none; }
.guidance[open] > summary { border-bottom: 1px solid var(--line); }
.guidance .chev { transition: transform .2s; color: var(--ink-faint); }
.guidance[open] .chev { transform: rotate(180deg); }
.guidance-body { padding: 6px 20px 20px; }
.guidance-body h3 { font-size: 1rem; margin: 18px 0 6px; }
.guidance-body h4 { font-size: .92rem; margin: 14px 0 4px; }
.guidance-body p, .guidance-body li { font-size: .9rem; color: var(--ink-soft); }
.status-legend { display: grid; gap: 8px; margin: 8px 0; }
.status-legend .sl { display: grid; grid-template-columns: 130px 1fr; gap: 10px; align-items: start; }

/* ---------- Footer ---------- */
.site-footer { margin-top: 30px; background: #f1ede4; border-top: 1px solid var(--line); padding: 30px 0; }
.related h2 { font-size: 1.05rem; margin: 0 0 12px; }
.related-grid { list-style: none; margin: 0 0 22px; padding: 0; display: grid; gap: 10px; grid-template-columns: 1fr; }
.related-grid a { display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 13px 15px; text-decoration: none; color: var(--ink); transition: border-color .15s; }
.related-grid a:hover { border-color: var(--accent); }
.related-grid .rt-title { display: block; font-weight: 600; color: var(--accent-dark); margin-bottom: 2px; }
.related-grid .rt-desc { display: block; font-size: .84rem; color: var(--ink-soft); }
.fane-note { background: #fff; border: 1px solid var(--accent-line); border-left: 4px solid var(--accent); border-radius: var(--radius-sm); padding: 14px 16px; margin-bottom: 18px; }
.fane-note p { margin: 0; font-size: .92rem; color: var(--ink-soft); }
.fane-note .fane-fca { margin-top: 8px; font-size: .76rem; color: var(--ink-faint); line-height: 1.5; }
.disclaimer { font-size: .82rem; color: var(--ink-faint); margin: 0 0 8px; }
.colophon { font-size: .78rem; color: var(--ink-faint); margin: 0; }

/* progress subtitle within card */
.substep { font-size: .8rem; color: var(--ink-faint); margin: 0 0 14px; }

/* running mileage note */
.running-note { font-size: .82rem; color: var(--accent-dark); background: var(--accent-soft); border-radius: 8px; padding: 8px 12px; display: inline-block; margin-top: 4px; }

.conditional { display: none; }
.conditional.show { display: block; }

/* ---------- Responsive ---------- */
@media (min-width: 620px) {
  .cat-grid { grid-template-columns: 1fr 1fr; }
  .related-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .review-summary { grid-template-columns: 1fr; }
  .header-inner { flex-direction: column; align-items: flex-start; }
  .privacy-badge { align-self: flex-start; }
  .card { padding: 20px 16px; }
}

/* ============================================================
   PRINT — print the review summary directly, no PDF step.
   Add class "printable" to <body> is not needed; we style the
   review screen. Non-summary chrome is hidden.
   ============================================================ */
@media print {
  body { background: #fff; color: #000; font-size: 12pt; }
  .site-header, .stepper, .guidance-wrap, .fane-note, .related,
  .actions, .item-controls, .skip-link, .privacy-badge, .btn { display: none !important; }
  .wrap { max-width: 100%; padding: 0; }
  .card { box-shadow: none; border: none; padding: 0; margin: 0 0 14px; }
  #app { padding: 0; }
  .review-summary { grid-template-columns: repeat(3, 1fr); }
  .stat { border: 1px solid #ccc; background: #f4f4f4; }
  .item-row { break-inside: avoid; border: 1px solid #ccc; }
  .bik-line { break-inside: avoid; }
  .print-only { display: block !important; }
  a { color: #000; text-decoration: none; }
  .site-footer { background: #fff; border-top: 1px solid #ccc; }
  .disclaimer, .colophon { color: #333; }
}
.print-only { display: none; }