:root {
  --bg: #fbfcfe;
  --bg-alt: #f3f6fa;
  --surface: #ffffff;
  --text: #101525;
  --text-secondary: #667085;
  --border: #dfe5ec;
  --accent: #3569dc;
  --accent-strong: #2455bd;
  --accent-soft: #edf3ff;
  --success: #18794e;
  --success-soft: #ecf8f2;
  --warning: #f0a12a;
  --danger: #cc3f3f;
  --shadow: 0 1px 2px rgba(16,24,40,.04), 0 12px 30px rgba(16,24,40,.07);
  --maxw: 1120px;
}
body[data-tool="category-finder"] { --accent: #a44f27; --accent-strong: #823d1e; --accent-soft: #fff3eb; }
body[data-tool="mileage-template"] { --accent: #18765a; --accent-strong: #105b45; --accent-soft: #eaf8f2; }
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0d14;
    --bg-alt: #0e131c;
    --surface: #151922;
    --text: #f8fafc;
    --text-secondary: #a7b0c0;
    --border: #313948;
    --accent: #7fa3ff;
    --accent-strong: #a9c0ff;
    --accent-soft: #22375f;
    --success: #49c987;
    --success-soft: #1d3a2d;
    --shadow: 0 1px 3px rgba(0,0,0,.38), 0 18px 48px rgba(0,0,0,.35);
  }
  body[data-tool="category-finder"] { --accent: #f0a07b; --accent-strong: #ffc0a3; --accent-soft: #4b2b20; }
  body[data-tool="mileage-template"] { --accent: #62d2aa; --accent-strong: #9ee6cd; --accent-soft: #173d32; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); white-space: nowrap; }
.brand:hover { text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a { color: var(--text-secondary); font-size: 15px; font-weight: 550; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links a[href="/faq.html"] { display: none; }
@media (max-width: 760px) { .nav-links { display: none; } }
.hero { padding: 46px 0 34px; background: var(--bg); }
.tools-hub-hero { padding: 82px 0 66px; text-align: center; background: var(--bg); }
.tools-hub-hero .eyebrow { letter-spacing: .12em; }
.tools-hub-hero h1 { max-width: 820px; margin-left: auto; margin-right: auto; text-transform: uppercase; font-size: clamp(42px, 7vw, 76px); font-weight: 500; }
.tools-hub-hero .lede { margin-left: auto; margin-right: auto; max-width: 700px; }
.tools-hub-hero .meta { justify-content: center; }
.breadcrumbs { display: flex; align-items: center; gap: 8px; margin-bottom: 28px; font-size: 13px; color: var(--text-secondary); }
.breadcrumbs a { color: var(--text-secondary); }
.breadcrumbs a:hover { color: var(--text); }
.breadcrumbs span { color: color-mix(in srgb, var(--text-secondary) 55%, transparent); }
.eyebrow { color: var(--accent); font-size: 13px; font-weight: 760; letter-spacing: .04em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: 0; }
h1 { font-size: clamp(36px, 5vw, 54px); margin-top: 12px; max-width: 780px; }
h2 { font-size: clamp(27px, 4vw, 38px); margin-top: 56px; }
h3 { font-size: 21px; margin-top: 0; }
p { margin: 14px 0 0; color: var(--text-secondary); }
.lede { font-size: 20px; max-width: 720px; }
.meta { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 24px; color: var(--text-secondary); font-size: 14px; }
.meta span { display: inline-flex; align-items: center; gap: 7px; }
.meta span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--border); }
.meta .tag { color: var(--accent); font-weight: 700; }
.meta .tag::before { background: var(--accent); }
.tool-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 20px;
  align-items: start;
  padding: 18px 0 72px;
}
@media (max-width: 980px) { .tool-shell { grid-template-columns: 1fr; } }
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.tool-card { padding: 28px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); margin: -28px -28px 28px; border-bottom: 1px solid var(--border); }
.step {
  position: relative;
  padding: 16px 18px;
  border-right: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 650;
}
.step:last-child { border-right: 0; }
.step::after { content: ""; position: absolute; left: 18px; right: 18px; bottom: -1px; height: 2px; background: transparent; }
.step:first-child, .tool-card.result-ready .step { color: var(--accent); background: var(--accent-soft); }
.step:first-child::after, .tool-card.result-ready .step::after { background: var(--accent); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: grid; gap: 7px; }
label { color: var(--text); font-size: 14px; font-weight: 680; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 12px 13px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
input:hover, select:hover, textarea:hover { border-color: color-mix(in srgb, var(--text-secondary) 45%, var(--border)); }
input:focus, select:focus, textarea:focus { outline: 3px solid color-mix(in srgb, var(--accent) 18%, transparent); border-color: var(--accent); }
input[type="checkbox"] { width: 18px; height: 18px; margin: 0; padding: 0; accent-color: var(--accent); flex: 0 0 auto; }
.hint label { display: inline-flex; align-items: center; gap: 9px; font-weight: 500; color: var(--text-secondary); }
textarea { min-height: 116px; resize: vertical; }
.hint { color: var(--text-secondary); font-size: 13px; }
.choice-group, .entry-mode { border: 0; padding: 0; margin: 0 0 22px; }
.choice-group legend, .entry-mode legend { color: var(--text); font-size: 14px; font-weight: 680; padding: 0; margin-bottom: 9px; }
.choice-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.choice, .mode { position: relative; display: grid; gap: 5px; padding: 14px; border: 1px solid var(--border); border-radius: 7px; background: var(--surface); cursor: pointer; }
.choice input, .mode input { position: absolute; opacity: 0; pointer-events: none; }
.choice span, .mode span { color: var(--text); font-weight: 750; }
.choice small, .field-note { color: var(--text-secondary); font-size: 12px; line-height: 1.4; }
.choice.selected, .mode.selected { border-color: var(--accent); background: var(--accent-soft); }
.mode-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.mode { display: block; text-align: center; }
.period-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 18px; }
.period-field { padding: 16px; border: 1px solid var(--border); border-radius: 7px; background: var(--bg-alt); }
.period-field label { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; margin-bottom: 8px; }
.period-field label span { color: var(--text); }
.period-field label b { color: var(--accent); white-space: nowrap; font-size: 13px; }
.period-field small { display: block; margin-top: 7px; color: var(--text-secondary); font-size: 12px; }
.breakdown { display: grid; gap: 8px; margin-top: 12px; }
.breakdown-row { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 12px; align-items: center; padding: 11px 13px; border: 1px solid var(--border); border-radius: 7px; background: var(--surface); }
.breakdown-row span, .breakdown-row b { color: var(--text-secondary); font-size: 14px; }
.breakdown-row strong { color: var(--text); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 7px;
  padding: 12px 18px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 720;
  cursor: pointer;
}
button:focus-visible, .btn:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 25%, transparent); outline-offset: 2px; }
button.secondary, .btn.secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
button:hover, .btn:hover { background: var(--accent-strong); text-decoration: none; }
button.secondary:hover, .btn.secondary:hover { background: var(--bg-alt); }
button:disabled { opacity: .5; cursor: not-allowed; }
.result {
  margin-top: 24px;
  padding: 22px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent-soft) 45%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--border));
}
.result[hidden] { display: none; }
.result-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 16px; }
@media (max-width: 760px) { .result-grid { grid-template-columns: 1fr; } }
.metric { padding: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: 7px; }
.metric span { display: block; color: var(--text-secondary); font-size: 13px; font-weight: 650; }
.metric b { display: block; margin-top: 6px; font-size: 26px; line-height: 1; }
.privacy-seal {
  display: grid;
  gap: 10px;
  padding: 18px;
  background: var(--success-soft);
  border: 1px solid color-mix(in srgb, var(--success) 35%, var(--border));
  border-radius: 8px;
  color: var(--text);
}
.privacy-seal b { color: var(--success); }
.us-note { display: flex; align-items: flex-start; gap: 9px; max-width: 820px; margin-top: 22px; padding: 13px 15px; border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border)); border-radius: 8px; background: var(--accent-soft); color: var(--text); font-size: 14px; }
.side-card { padding: 20px; margin-top: 14px; box-shadow: none; }
.side-card ul { padding-left: 20px; margin: 10px 0 0; color: var(--text-secondary); }
.side-card li { margin: 8px 0; }
.content { max-width: 760px; padding-bottom: 84px; }
.content ul, .content ol { color: var(--text-secondary); padding-left: 24px; }
.content li { margin: 10px 0; }
.chart { padding: 22px; margin: 28px 0; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; box-shadow: var(--shadow); }
.bar-row { display: grid; grid-template-columns: 150px 1fr 62px; gap: 12px; align-items: center; margin-top: 14px; }
.bar-label { color: var(--text-secondary); font-size: 14px; }
.bar-track { height: 14px; border-radius: 999px; background: var(--bg-alt); overflow: hidden; border: 1px solid var(--border); }
.bar-fill { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--accent), var(--success)); }
.bar-value { text-align: right; font-size: 14px; font-weight: 760; }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); margin: 26px 0; }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { padding: 14px 16px; border-bottom: 1px solid var(--border); text-align: left; }
th { color: var(--text-secondary); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }
tr:last-child td { border-bottom: 0; }
.match-list { display: grid; gap: 12px; margin-top: 16px; }
.match { padding: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: 7px; }
.match-head { display: flex; justify-content: space-between; gap: 12px; align-items: start; }
.score { color: var(--success); font-weight: 800; white-space: nowrap; }
.copy-box {
  white-space: pre-wrap;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface);
  color: var(--text);
  overflow-x: auto;
}
.source-box { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 20px; margin-top: 36px; }
.source-box h2 { margin-top: 0; font-size: 25px; }
.source-box ul { margin-bottom: 0; }
details { border: 1px solid var(--border); border-radius: 8px; padding: 17px 19px; margin-bottom: 12px; background: var(--surface); }
summary { cursor: pointer; font-weight: 700; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; float: right; color: var(--text-secondary); font-size: 21px; font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { margin-top: 10px; }
.tool-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
@media (max-width: 900px) { .tool-grid { grid-template-columns: 1fr; } }
.hub-content { padding: 16px 24px 88px; }
.hub-intro { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 20px; align-items: start; padding: 18px 0 12px; }
.hub-intro h2, .hub-tools h2, .hub-reference h2, .hub-faq h2 { margin-top: 0; }
.hub-intro p { max-width: 700px; }
.hub-tools { padding-top: 34px; }
.tool-directory-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 26px; }
.tool-directory-heading h2 { margin-top: 10px; }
.tool-directory-heading .privacy-seal { max-width: 310px; }
.tool-directory { display: grid; gap: 18px; }
.tool-row { position: relative; display: grid; grid-template-columns: 230px minmax(0, 1fr) 130px; gap: 28px; align-items: center; min-height: 220px; padding: 22px 26px 22px 22px; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 2px; box-shadow: var(--shadow); overflow: hidden; }
.tool-row::before { content: ""; position: absolute; left: 0; top: 0; width: 9px; height: 70px; background: var(--accent); clip-path: polygon(0 0, 100% 0, 0 100%); }
.tool-row:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-2px); transition: transform .18s ease, border-color .18s ease; }
.tool-preview { position: relative; height: 166px; display: flex; align-items: center; justify-content: center; overflow: hidden; background: var(--bg-alt); border: 1px solid var(--border); }
.tool-preview img { width: 100%; height: 100%; object-fit: cover; object-position: center 18%; opacity: .95; }
.tool-preview span { position: absolute; left: 10px; bottom: 10px; padding: 5px 8px; border: 1px solid color-mix(in srgb, var(--success) 45%, var(--border)); border-radius: 3px; background: color-mix(in srgb, var(--success-soft) 90%, transparent); color: var(--success); font-size: 11px; font-weight: 760; text-transform: uppercase; letter-spacing: .04em; }
.tool-row-copy h3 { margin-top: 8px; font-size: 27px; }
.tool-row-copy p { max-width: 650px; font-size: 16px; }
.tool-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.tool-tags span { padding: 5px 9px; border: 1px solid var(--border); border-radius: 3px; color: var(--text-secondary); font-size: 12px; font-weight: 650; }
.tool-row-action { justify-self: end; color: var(--accent); font-size: 13px; font-weight: 780; text-transform: uppercase; letter-spacing: .04em; white-space: nowrap; }
.tool-row-action span { margin-left: 5px; font-size: 18px; }
.tool-explainer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tool-explainer { padding: 22px; box-shadow: none; }
.tool-explainer-top { display: flex; justify-content: space-between; gap: 12px; align-items: start; }
.tool-explainer-top .btn { padding: 8px 11px; font-size: 13px; white-space: nowrap; }
.tool-explainer h3 { margin-top: 22px; }
.tool-explainer-lead { color: var(--text); font-weight: 600; }
.tool-explainer h4 { margin: 26px 0 0; font-size: 15px; }
.tool-explainer ul { display: grid; gap: 12px; padding: 0; margin: 22px 0 0; list-style: none; }
.tool-explainer li { display: grid; gap: 2px; padding-top: 12px; border-top: 1px solid var(--border); }
.tool-explainer li b { font-size: 14px; }
.tool-explainer li span { color: var(--text-secondary); font-size: 14px; }
.text-link { display: inline-block; margin-top: 22px; font-weight: 700; }
.hub-reference { max-width: 820px; padding: 48px 0 0; }
.hub-reference p { font-size: 16px; }
.hub-faq { max-width: 820px; padding: 48px 0 0; }
@media (max-width: 980px) { .tool-explainer-grid { grid-template-columns: 1fr; } .hub-intro { grid-template-columns: 1fr; } .tool-row { grid-template-columns: 180px minmax(0, 1fr); } .tool-row-action { grid-column: 2; justify-self: start; } }
.tool-link { display: block; padding: 22px; color: var(--text); min-height: 210px; box-shadow: none; }
.tool-link:hover { text-decoration: none; border-color: var(--accent); }
.tool-link .icon { font-size: 34px; }
.tool-link h3 { margin-top: 18px; }
.site-footer { border-top: 1px solid var(--border); background: var(--bg-alt); padding: 54px 0 34px; color: var(--text-secondary); font-size: 14px; }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 28px; flex-wrap: wrap; }
.footer-top .brand { color: var(--text); }
.footer-top p { max-width: 360px; margin-top: 12px; }
.footer-cta { margin-top: 2px; }
.footer-links-grid { display: grid; grid-template-columns: 170px 300px minmax(0, 1fr); gap: 28px; margin-top: 38px; padding-top: 28px; border-top: 1px solid var(--border); }
.footer-links-grid h3 { margin: 0 0 14px; color: var(--text); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.footer-links { display: grid; align-content: start; gap: 9px; }
.footer-links a, .language-grid a { color: var(--text-secondary); }
.footer-links a:hover, .language-grid a:hover { color: var(--text); }
.language-grid { display: grid; grid-template-columns: repeat(5, minmax(76px, 1fr)); gap: 9px 18px; }
.footer-bottom { margin-top: 30px; padding-top: 18px; border-top: 1px solid var(--border); color: var(--text-secondary); font-size: 13px; }
footer:not(.site-footer) { border-top: 1px solid var(--border); background: var(--bg-alt); padding: 42px 0; color: var(--text-secondary); font-size: 14px; }
.toast { position: fixed; z-index: 50; right: 20px; bottom: 20px; padding: 11px 15px; border-radius: 7px; background: var(--text); color: var(--bg); font-size: 14px; font-weight: 650; box-shadow: var(--shadow); opacity: 0; transform: translateY(8px); pointer-events: none; transition: opacity .18s ease, transform .18s ease; }
.toast.show { opacity: 1; transform: translateY(0); }
@media (max-width: 700px) {
  .wrap { padding: 0 18px; }
  .hero { padding: 32px 0 24px; }
  .breadcrumbs { margin-bottom: 20px; }
  .tool-shell { padding-top: 8px; }
  .tool-card { padding: 20px; }
  .steps { margin: -20px -20px 22px; }
  .step { padding: 13px 10px; font-size: 12px; }
  .step::after { left: 10px; right: 10px; }
  .actions > button, .actions > .btn { flex: 1 1 100%; }
  .bar-row { grid-template-columns: 108px 1fr 46px; gap: 8px; }
  .meta { gap: 10px 16px; }
  .choice-grid, .period-grid { grid-template-columns: 1fr 1fr; }
  .choice { padding: 12px; }
  .breakdown-row { grid-template-columns: 1fr auto; }
  .breakdown-row strong { grid-column: 2; grid-row: 1; }
  .tools-hub-hero { padding: 56px 0 42px; }
  .tools-hub-hero h1 { font-size: clamp(38px, 12vw, 58px); }
  .tool-directory-heading { display: grid; gap: 18px; }
  .tool-row { grid-template-columns: 1fr; gap: 18px; padding: 18px; }
  .tool-preview { height: 180px; }
  .tool-row-action { grid-column: auto; }
  .footer-links-grid { grid-template-columns: 1fr 1fr; }
  .language-grid { grid-column: 1 / -1; grid-template-columns: repeat(3, minmax(76px, 1fr)); }
}
@media print {
  header, .hero, form, aside, .steps, .result .actions, .content, footer, .toast { display: none !important; }
  body { background: #fff; color: #000; }
  .tool-shell { display: block; padding: 0; }
  .panel, .result, .copy-box { border: 0; box-shadow: none; }
  .result { display: block !important; margin: 0; padding: 0; }
}