/* JustCalc — "Confetti" v2 (calmer)
 * Light, modern, soft-blue primary, gentle pastel category accents.
 */
:root {
  --bg: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-sunk: #F1F5F9;
  --bg-input: #F1F5F9;
  --ink: #0F172A;
  --ink-mid: #475569;
  --ink-soft: #64748B;
  --line: #E2E8F0;
  --line-soft: #EFF3F8;

  --primary: #0D9488;
  --primary-deep: #3B4789;
  --primary-soft: #EEF0FA;
  --primary-tint: #F5F6FC;

  /* category pastels — desaturated */
  --c-finance: #FBE9DA;        --c-finance-ink: #8E4A26;
  --c-everyday: #DEF0E4;        --c-everyday-ink: #2A6B49;
  --c-converters: #FBF1C8;      --c-converters-ink: #6F5912;
  --c-health: #E4E9F8;          --c-health-ink: #344B98;
  --c-utilities: #F5DBED;       --c-utilities-ink: #7E2A6E;

  --r-card: 16px;
  --r-tile: 16px;
  --r-input: 12px;
  --r-pill: 999px;
  --shadow-card: 0 1px 2px rgba(15,23,42,.04), 0 8px 20px rgba(15,23,42,.06);
  --shadow-soft: 0 1px 2px rgba(15,23,42,.04);

  --display: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;

  --content: 720px;
  --wide: 1100px;
}

@media (prefers-color-scheme: dark) {
  :root[data-theme="auto"], :root[data-theme="dark"] {
    --bg: #0F172A;
    --bg-card: #1A2236;
    --bg-sunk: #0B121F;
    --bg-input: #1F2A40;
    --ink: #E2E8F0;
    --ink-mid: #94A3B8;
    --ink-soft: #64748B;
    --line: #2A3654;
    --line-soft: #1E2840;
    --primary: #818CC4;
    --primary-soft: #1F2540;
    --primary-tint: #181D34;
    --shadow-card: 0 1px 2px rgba(0,0,0,.3), 0 8px 20px rgba(0,0,0,.4);
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--primary-deep); text-decoration: none; text-underline-offset: 3px; }
a:hover { text-decoration: underline; text-decoration-thickness: 1.5px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; background: var(--ink); color: var(--bg); padding: 8px 12px; border-radius: 8px; z-index: 100; }

/* ===== NAV ===== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--wide); margin: 0 auto;
  padding: 12px 20px;
  display: flex; align-items: center; gap: 14px;
}
.brand {
  display: flex; align-items: center; gap: 9px;
  font-family: var(--display); font-weight: 700;
  font-size: 1.18rem; letter-spacing: -0.02em;
  color: var(--ink);
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 28px; height: 28px;
  background: var(--primary);
  color: #fff; border-radius: 8px;
  display: grid; place-items: center;
  font-family: var(--display); font-size: 0.95rem; font-weight: 700;
}
.nav-spacer { flex: 1; }
.nav-search {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: 6px 14px;
  min-width: 220px;
}
.nav-search input {
  flex: 1; border: 0; background: transparent; outline: none;
  font-family: inherit; font-size: 0.92rem; color: var(--ink);
}
.nav-search input::placeholder { color: var(--ink-soft); }
.icon-btn {
  background: var(--bg-card);
  border: 1px solid var(--line);
  width: 36px; height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: grid; place-items: center;
  color: var(--ink-mid);
  transition: border-color .15s, color .15s;
}
.icon-btn:hover { border-color: var(--primary); color: var(--primary); }

/* ===== HERO ===== */
.hero {
  max-width: var(--wide); margin: 0 auto;
  padding: 60px 20px 28px;
  text-align: center;
}
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 6px 12px; border-radius: var(--r-pill);
  margin-bottom: 20px;
}
.hero h1 {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(2.1rem, 5.6vw, 3.2rem);
  letter-spacing: -0.025em; line-height: 1.12;
  max-width: 22ch; margin: 0 auto 16px;
  color: var(--ink);
}
.hero h1 em, .hero h1 .em, .hero h1 .scribble {
  font-style: normal; font-weight: 700;
  background: none; padding: 0;
  color: var(--primary);
}
.hero p.lede {
  max-width: 52ch; margin: 0 auto 28px;
  color: var(--ink-mid); font-size: 1.04rem;
}
.hero-search {
  max-width: 520px; margin: 0 auto;
  display: flex; align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: 6px 6px 6px 18px;
  box-shadow: var(--shadow-soft);
  transition: border-color .2s, box-shadow .2s;
}
.hero-search:focus-within { border-color: var(--primary); box-shadow: var(--shadow-card); }
.hero-search input {
  flex: 1; border: 0; background: transparent; outline: none;
  font-family: inherit; font-size: 1rem; padding: 10px 0; color: var(--ink);
}
.hero-search button {
  background: var(--primary); color: #fff; border: 0;
  padding: 10px 18px; border-radius: var(--r-pill);
  font-family: inherit; font-weight: 600; font-size: 0.9rem; cursor: pointer;
  transition: background .15s;
}
.hero-search button:hover { background: var(--primary-deep); }

/* ===== CATEGORY GRID ===== */
.cats { max-width: var(--wide); margin: 0 auto; padding: 18px 20px 60px; }
.cat { margin-bottom: 38px; }
.cat-head {
  display: flex; align-items: center; gap: 12px; margin-bottom: 16px;
}
.cat-head h2 {
  font-family: var(--display); font-weight: 700;
  font-size: 1.4rem; letter-spacing: -0.015em;
  color: var(--ink);
}
.cat-chip {
  display: inline-flex; align-items: center;
  font-size: 0.72rem; font-weight: 600;
  padding: 4px 10px; border-radius: var(--r-pill);
  background: var(--primary-soft); color: var(--primary-deep);
}
.cat[data-cat="everyday"] .cat-chip { background: var(--c-everyday); color: var(--c-everyday-ink); }
.cat[data-cat="converters"] .cat-chip { background: var(--c-converters); color: var(--c-converters-ink); }
.cat[data-cat="health"] .cat-chip { background: var(--c-health); color: var(--c-health-ink); }
.cat[data-cat="utilities"] .cat-chip { background: var(--c-utilities); color: var(--c-utilities-ink); }
.cat[data-cat="finance"] .cat-chip { background: var(--c-finance); color: var(--c-finance-ink); }

.cgrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}
.tile {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-tile);
  padding: 20px;
  display: flex; flex-direction: column; gap: 10px;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
  position: relative;
}
.tile:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
  border-color: var(--primary);
  text-decoration: none;
}
.tile .tile-icon {
  width: 42px; height: 42px;
  border-radius: 11px;
  background: var(--primary-soft);
  color: var(--primary);
  display: grid; place-items: center;
}
.tile .tile-icon svg { width: 22px; height: 22px; }
.cat[data-cat="finance"] .tile .tile-icon { background: var(--c-finance); color: var(--c-finance-ink); }
.cat[data-cat="everyday"] .tile .tile-icon { background: var(--c-everyday); color: var(--c-everyday-ink); }
.cat[data-cat="converters"] .tile .tile-icon { background: var(--c-converters); color: var(--c-converters-ink); }
.cat[data-cat="health"] .tile .tile-icon { background: var(--c-health); color: var(--c-health-ink); }
.cat[data-cat="utilities"] .tile .tile-icon { background: var(--c-utilities); color: var(--c-utilities-ink); }

.tile h3 {
  font-family: var(--display); font-weight: 600;
  font-size: 1.04rem; letter-spacing: -0.01em;
  color: var(--ink);
}
.tile p { color: var(--ink-mid); font-size: 0.88rem; line-height: 1.5; }
.tile.hidden { display: none; }

/* ===== CALCULATOR PAGE ===== */
.crumb {
  max-width: var(--content); margin: 0 auto;
  padding: 24px 20px 0;
  font-size: 0.84rem; color: var(--ink-soft);
}
.crumb a { color: var(--ink-soft); }
.crumb a:hover { color: var(--ink); }
.crumb .sep { margin: 0 8px; color: var(--line); }

.calc-head {
  max-width: var(--content); margin: 0 auto;
  padding: 14px 20px 6px;
}
.calc-head .topic {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.75rem; font-weight: 600;
  background: var(--primary-soft); color: var(--primary-deep);
  padding: 4px 10px; border-radius: var(--r-pill);
  margin-bottom: 14px;
}
.calc-head h1 {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(1.85rem, 4.4vw, 2.4rem);
  letter-spacing: -0.025em; line-height: 1.15;
  color: var(--ink);
  margin-bottom: 10px;
}
.calc-head .lede {
  font-size: 1.02rem; color: var(--ink-mid);
  max-width: 56ch;
}
.byline {
  margin-top: 14px; padding-top: 14px;
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
  font-size: 0.8rem; color: var(--ink-soft);
  border-top: 1px solid var(--line);
}
.byline strong { color: var(--ink); font-weight: 600; }
.byline .dot { color: var(--line); }

.calc { max-width: var(--content); margin: 18px auto 0; padding: 0 20px; }
.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  padding: 26px;
}
.field { margin-bottom: 16px; }
.field:last-child { margin-bottom: 0; }
.field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}
.field .hint { font-size: 0.78rem; color: var(--ink-soft); margin-left: 6px; font-weight: 400; }

input[type=number], input[type=text], input[type=date], select, textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1.5px solid transparent;
  border-radius: var(--r-input);
  color: var(--ink);
  padding: 12px 14px;
  font-family: inherit; font-size: 1rem;
  outline: none;
  transition: border-color .15s, background .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  background: var(--bg-card);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
input[type=number] { -moz-appearance: textfield; }
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }

.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.seg {
  display: grid; grid-auto-flow: column; grid-auto-columns: 1fr;
  background: var(--bg-input);
  border-radius: var(--r-input);
  padding: 4px;
  gap: 4px;
}
.seg input[type=radio] { position: absolute; opacity: 0; pointer-events: none; }
.seg label {
  text-align: center;
  padding: 9px 8px;
  border-radius: 9px;
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--ink-mid);
  transition: background .15s, color .15s, box-shadow .15s;
  user-select: none;
}
.seg input[type=radio]:checked + label {
  background: var(--bg-card);
  color: var(--primary);
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(15,23,42,.06), 0 0 0 1px var(--line);
}
.seg input[type=radio]:focus-visible + label { outline: 2px solid var(--primary-soft); outline-offset: 1px; }

/* ===== RESULT ===== */
.result { margin-top: 22px; }
.result-hero {
  text-align: center;
  padding: 26px 18px 22px;
  background: var(--primary-soft);
  border: 1px solid color-mix(in srgb, var(--primary) 20%, transparent);
  border-radius: var(--r-card);
}
.result-hero .label {
  font-size: 0.78rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--primary-deep);
  margin-bottom: 8px;
}
.result-hero .value {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(2rem, 6vw, 2.8rem);
  letter-spacing: -0.025em;
  color: var(--ink);
  display: inline-block;
  font-variant-numeric: tabular-nums;
}
.result-hero .sub {
  margin-top: 6px; color: var(--ink-mid); font-size: 0.94rem;
}

.result-rows {
  margin-top: 14px;
  background: var(--bg-input);
  border-radius: var(--r-input);
  overflow: hidden;
}
.rrow {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 0.94rem;
}
.rrow:last-child { border-bottom: 0; }
.rrow .k { color: var(--ink-mid); }
.rrow .v { font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; }

.actions {
  margin-top: 14px; display: flex; gap: 10px; flex-wrap: wrap;
}
.btn {
  background: var(--bg-card);
  border: 1.5px solid var(--line);
  color: var(--ink);
  padding: 9px 16px;
  border-radius: var(--r-pill);
  cursor: pointer;
  font-family: inherit; font-size: 0.88rem; font-weight: 600;
  display: inline-flex; align-items: center; gap: 7px;
  transition: border-color .15s, color .15s, background .15s;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn.primary {
  background: var(--primary); color: #fff; border-color: var(--primary);
}
.btn.primary:hover { background: var(--primary-deep); border-color: var(--primary-deep); color: #fff; }
.btn svg { width: 14px; height: 14px; }

/* ===== EXAMPLE / FAQ / SECTIONS ===== */
.section { max-width: var(--content); margin: 0 auto; padding: 12px 20px; }
.section h2 {
  font-family: var(--display); font-weight: 700;
  font-size: 1.35rem; letter-spacing: -0.015em;
  margin: 28px 0 12px; color: var(--ink);
}
.section p { color: var(--ink-mid); margin-bottom: 12px; }
.section strong { color: var(--ink); font-weight: 600; }

.example {
  background: var(--bg-sunk);
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--r-input) var(--r-input) 0;
  padding: 18px 22px;
  margin: 14px 0;
}
.example .pill {
  display: inline-block; font-size: 0.74rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--primary-deep); margin-bottom: 8px;
}
.example p { color: var(--ink-mid); }
.example strong { color: var(--ink); }

.faq details {
  border: 1px solid var(--line);
  border-radius: var(--r-input);
  background: var(--bg-card);
  margin-bottom: 8px; overflow: hidden;
}
.faq summary {
  cursor: pointer; padding: 14px 18px;
  font-weight: 600; color: var(--ink);
  list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-size: 1.4rem; font-weight: 400;
  color: var(--primary); transition: transform .25s; line-height: 0;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details[open] summary { border-bottom: 1px solid var(--line); }
.faq .a { padding: 14px 18px 16px; color: var(--ink-mid); }

.note {
  background: var(--bg-sunk);
  border-left: 3px solid var(--ink-soft);
  border-radius: 0 var(--r-input) var(--r-input) 0;
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--ink-mid);
  margin: 14px 0;
}
.note strong { color: var(--ink); font-weight: 600; }

/* ===== RELATED ===== */
.related-rail { max-width: var(--content); margin: 28px auto 0; padding: 0 20px; }
.related-rail h2 {
  font-family: var(--display); font-weight: 700;
  font-size: 1.18rem; margin-bottom: 12px;
}
.related-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px;
}
.related-grid a {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  color: var(--ink);
  transition: transform .15s, border-color .15s;
}
.related-grid a:hover { border-color: var(--primary); transform: translateY(-1px); text-decoration: none; }
.related-grid .name { font-family: var(--display); font-weight: 600; font-size: 0.96rem; margin-bottom: 2px; }
.related-grid .d { color: var(--ink-soft); font-size: 0.78rem; }

/* ===== FOOTER ===== */
footer {
  margin-top: 56px;
  border-top: 1px solid var(--line);
  background: var(--bg-card);
}
.foot-inner {
  max-width: var(--wide); margin: 0 auto;
  padding: 36px 20px;
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px;
}
.foot-inner h4 {
  font-family: var(--display); font-weight: 700;
  font-size: 1rem; margin-bottom: 10px; color: var(--ink);
}
.foot-inner p, .foot-inner li { color: var(--ink-mid); font-size: 0.88rem; line-height: 1.7; }
.foot-inner ul { list-style: none; }
.foot-inner a { color: var(--ink-mid); }
.foot-inner a:hover { color: var(--primary); }
.foot-bottom {
  border-top: 1px solid var(--line);
  padding: 14px 20px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

/* ===== UTIL ===== */
.tabular { font-variant-numeric: tabular-nums; }

/* ===== RESPONSIVE ===== */
@media (max-width: 720px) {
  .nav-search { display: none; }
  .row2 { grid-template-columns: 1fr; }
  .cgrid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .card { padding: 22px 18px; }
  .foot-inner { grid-template-columns: 1fr; gap: 20px; }
}
@media (max-width: 420px) {
  .cgrid { grid-template-columns: 1fr; }
  .seg { grid-auto-flow: row; grid-auto-columns: unset; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}


/* ─────────────────────────────────────────────────────────────
   Print stylesheet — receipt-friendly print layout
   ───────────────────────────────────────────────────────────── */
@media print {
  .nav, .skip, footer, .related-rail,
  .actions, .crumb, .nav-search, .icon-btn,
  .hero-search, .nav-spacer { display: none !important; }

  html, body {
    background: #fff !important;
    color: #000 !important;
    font-size: 11pt;
  }

  main, .calc, .card, .section, .field, .calc-head {
    max-width: 100% !important;
    margin: 0 0 0.5rem 0 !important;
    padding: 0 !important;
  }

  .card {
    border: 1px solid #000 !important;
    box-shadow: none !important;
    background: transparent !important;
    padding: 0.6rem !important;
  }

  .result, .result-hero {
    background: transparent !important;
    border: 1px solid #000 !important;
    padding: 0.4rem !important;
  }

  .result-hero .value { color: #000 !important; }

  input[type="number"], input[type="text"], select {
    border: 1px solid #666 !important;
    background: transparent !important;
    color: #000 !important;
  }

  h1, h2, h3 {
    color: #000 !important;
    page-break-after: avoid;
  }

  .example, .faq, .related-grid, .result {
    page-break-inside: avoid;
  }

  .byline { color: #000 !important; }

  a { color: #000 !important; text-decoration: underline; }
  a[href^="http"]:after { content: " (" attr(href) ")"; font-size: 0.8em; color: #555; }
  a[href^="#"]:after, a[href^="/"]:after, a[href^="mailto:"]:after { content: ""; }

  /* Show source link prominently */
  .byline a[href^="http"] { font-weight: 600; }
}



/* Recent-calculators rail (homepage) */
.recent-rail-section { margin: 16px 0 28px; }
.recent-rail-section[hidden] { display: none !important; }
.recent-rail-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 10px; }
.recent-rail-head h2 { font-size: 1.05rem; margin: 0; }
.recent-rail { display: flex; gap: 8px; flex-wrap: wrap; }
.recent-rail a { display: inline-block; padding: 8px 14px; border-radius: 20px; background: var(--surface, #fff); border: 1px solid var(--border, #d3d6e0); color: var(--ink, #1a1a1a); font-size: 0.9rem; font-weight: 500; text-decoration: none; transition: background 0.15s, border-color 0.15s; }
.recent-rail a:hover { background: var(--surface-2, #f4f6fc); border-color: var(--primary, #14B8A6); }



/* Inline SVG result charts on /loan/ /mortgage/ /compound/ */
.chart-wrap { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--border, #d3d6e0); }
.chart-wrap .chart-title { display: block; font-size: 0.8rem; font-weight: 600; color: var(--ink-soft, #666); letter-spacing: 0.5px; text-transform: uppercase; margin-bottom: 4px; }
.chart-wrap svg { width: 100%; height: auto; max-height: 220px; color: var(--ink, #1a1a1a); display: block; }