/* FeeTally stylesheet — mobile first, light/dark via tokens */
:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f1f3f6;
  --text: #14181f;
  --muted: #5b6472;
  --border: #e3e6eb;
  --accent: #0f766e;
  --accent-2: #0b5f59;
  --accent-soft: #e6f4f2;
  --on-accent: #ffffff;
  --good: #15803d;
  --bad: #b91c1c;
  --warn-bg: #fff7e6;
  --warn-border: #f5d48f;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1220;
    --surface: #151c2c;
    --surface-2: #1b2437;
    --text: #e8ebf0;
    --muted: #9aa4b5;
    --border: #273148;
    --accent: #2dd4bf;
    --accent-2: #5eead4;
    --accent-soft: #123b39;
    --on-accent: #06201d;
    --good: #4ade80;
    --bad: #f87171;
    --warn-bg: #2b2412;
    --warn-border: #6b5520;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4);
  }
}
:root[data-theme="dark"] {
  --bg: #0d1220; --surface: #151c2c; --surface-2: #1b2437; --text: #e8ebf0; --muted: #9aa4b5; --border: #273148;
  --accent: #2dd4bf; --accent-2: #5eead4; --accent-soft: #123b39; --on-accent: #06201d; --good: #4ade80; --bad: #f87171;
  --warn-bg: #2b2412; --warn-border: #6b5520; --shadow: 0 1px 2px rgba(0, 0, 0, .4);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 16px; line-height: 1.55; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5rem; letter-spacing: -.01em; }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.35rem; margin-top: 2rem; }
h3 { font-size: 1.1rem; margin-top: 1.25rem; }
p { margin: 0 0 1rem; }
ul, ol { padding-left: 1.25rem; margin: 0 0 1rem; }
li { margin-bottom: .4rem; }
small, .muted { color: var(--muted); }
.container { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; }
img, svg { max-width: 100%; }
code { font-family: var(--mono); font-size: .92em; background: var(--surface-2); padding: .1em .35em; border-radius: 4px; }

/* Header */
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 56px; gap: 12px; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.1rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand svg { width: 26px; height: 26px; }
.nav { display: flex; gap: 6px; align-items: center; }
.nav a { padding: 6px 10px; border-radius: 8px; color: var(--muted); font-size: .95rem; white-space: nowrap; }
.nav a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
@media (max-width: 560px) { .nav a.optional { display: none; } }

/* Hero / page head */
.page-head { padding: 22px 0 8px; }
.eyebrow { display: inline-block; font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 600; margin-bottom: 6px; }
.lead { font-size: 1.05rem; color: var(--muted); max-width: 720px; }
.meta-line { font-size: .85rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px 14px; margin: 6px 0 14px; }
.meta-line a { color: var(--muted); text-decoration: underline; text-underline-offset: 2px; }

/* Cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.tile { display: block; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; color: var(--text); transition: border-color .15s, transform .15s; }
.tile:hover { border-color: var(--accent); text-decoration: none; transform: translateY(-1px); }
.tile .t-name { font-weight: 650; display: block; margin-bottom: 4px; }
.tile .t-sub { font-size: .88rem; color: var(--muted); display: block; }

/* Calculator */
.calc { display: grid; gap: 16px; margin: 10px 0 8px; }
.calc > * { min-width: 0; }
@media (min-width: 840px) { .calc { grid-template-columns: 1.05fr .95fr; align-items: start; } .calc .results { position: sticky; top: 70px; } }
.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 5px; }
.field .help { display: block; font-size: .8rem; color: var(--muted); margin-top: 4px; }
.input-wrap { display: flex; align-items: center; border: 1px solid var(--border); background: var(--surface); border-radius: 10px; height: 46px; overflow: hidden; }
.input-wrap:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.input-wrap .adorn { padding: 0 12px; color: var(--muted); font-weight: 600; background: var(--surface-2); height: 100%; display: flex; align-items: center; border-right: 1px solid var(--border); }
.input-wrap .adorn.suffix { border-right: 0; border-left: 1px solid var(--border); }
.input-wrap input, .input-wrap select { flex: 1 1 0; width: 100%; min-width: 0; height: 100%; border: 0; background: transparent; color: var(--text); font: inherit; font-size: 1.05rem; padding: 0 12px; outline: none; -moz-appearance: textfield; }
.input-wrap input::-webkit-outer-spin-button, .input-wrap input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.input-wrap select { appearance: none; -webkit-appearance: none; padding-right: 34px; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' fill='none' stroke='%238a93a3' stroke-width='2' stroke-linecap='round'/></svg>"); background-repeat: no-repeat; background-position: right 12px center; }
.opt-note { font-size: .8rem; color: var(--muted); margin-top: 4px; min-height: 1em; }
.toggle { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); cursor: pointer; }
.toggle span.lbl { font-weight: 600; font-size: .92rem; }
.switch { position: relative; display: inline-block; width: 44px; height: 26px; flex: 0 0 44px; }
.switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.switch .track { position: absolute; inset: 0; background: var(--border); border-radius: 26px; transition: background .15s; }
.switch .track::after { content: ""; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%; background: #fff; transition: transform .15s; box-shadow: 0 1px 2px rgba(0,0,0,.3); }
.switch input:checked + .track { background: var(--accent); }
.switch input:checked + .track::after { transform: translateX(18px); }
.switch input:focus-visible + .track { box-shadow: 0 0 0 3px var(--accent-soft); }

.results { padding: 18px; }
.results .headline { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.results .big { font-size: 2.1rem; font-weight: 750; letter-spacing: -.02em; color: var(--accent-2); line-height: 1.1; }
.results .big.neg { color: var(--bad); }
.results .sub { color: var(--muted); font-size: .9rem; }
.kpis { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 14px 0; }
.kpi { background: var(--surface-2); border-radius: 10px; padding: 10px 12px; }
.kpi .k { font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
.kpi .v { font-size: 1.15rem; font-weight: 700; margin-top: 2px; }
.kpi .v.neg { color: var(--bad); }
.lines { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--border); }
.lines li { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: .95rem; }
.lines li .n { color: var(--muted); }
.lines li.total { font-weight: 700; }
.lines li.total .n { color: var(--text); }
.lines li .amt { font-variant-numeric: tabular-nums; white-space: nowrap; }
.lines li .amt.fee { color: var(--bad); }
.lines .sec { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; padding: 12px 0 4px; border-bottom: 0; display: block; }
.hint { font-size: .82rem; color: var(--muted); margin-top: 10px; }
.share-row { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: 9px; padding: 8px 12px; font: inherit; font-size: .9rem; cursor: pointer; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--on-accent); border-color: var(--accent); font-weight: 600; }

/* Content blocks */
.section { margin-top: 26px; }
.fee-table { width: 100%; border-collapse: collapse; font-size: .95rem; margin: 6px 0 12px; }
.fee-table th, .fee-table td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
.fee-table th { font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.fee-table td.rate { white-space: nowrap; font-weight: 600; }
.example { background: var(--accent-soft); border-radius: var(--radius); padding: 16px 18px; margin: 10px 0; }
.example .ex-nums { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 8px 0 10px; }
.example .ex-nums div { background: var(--surface); border-radius: 8px; padding: 8px 10px; }
.example .ex-nums .k { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
.example .ex-nums .v { font-weight: 700; font-size: 1.05rem; }
.callout { background: var(--warn-bg); border: 1px solid var(--warn-border); border-radius: var(--radius); padding: 12px 16px; font-size: .92rem; }
details.faq { border-bottom: 1px solid var(--border); padding: 4px 0; }
details.faq summary { cursor: pointer; font-weight: 600; padding: 10px 0; list-style: none; display: flex; justify-content: space-between; gap: 10px; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; color: var(--muted); font-weight: 400; }
details.faq[open] summary::after { content: "–"; }
details.faq p { color: var(--text); margin: 0 0 12px; }
.sources li { font-size: .92rem; }
.changelog li { font-size: .92rem; }
.changelog .d { font-family: var(--mono); font-size: .82rem; color: var(--muted); margin-right: 8px; }
.ad-slot { margin: 18px 0; min-height: 0; }
.ad-slot.on { min-height: 100px; display: flex; justify-content: center; }
.notice { font-size: .85rem; color: var(--muted); }

/* Home */
.hero { padding: 34px 0 14px; }
.hero h1 { font-size: 2rem; }
@media (min-width: 700px) { .hero h1 { font-size: 2.5rem; } }
.hero p { font-size: 1.1rem; color: var(--muted); max-width: 640px; }
.search { position: relative; max-width: 560px; margin: 14px 0 6px; }
.search input { width: 100%; height: 50px; border: 1px solid var(--border); border-radius: 12px; padding: 0 14px 0 42px; font: inherit; font-size: 1.05rem; background: var(--surface); color: var(--text); }
.search input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search svg { position: absolute; left: 14px; top: 16px; width: 18px; height: 18px; color: var(--muted); }
.hub-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-top: 26px; }
.hub-head h2 { margin: 0; }
.hub-head a { font-size: .9rem; }
.how { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-top: 10px; }
.how .card h3 { margin-top: 0; }
.hidden { display: none !important; }

/* Compare */
.compare-controls { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.compare-table td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.compare-table th.num { text-align: right; }
.compare-table tr.best td { background: var(--accent-soft); }
.compare-table td .sub { font-size: .8rem; color: var(--muted); display: block; }
@media (max-width: 600px) { .compare-table .opt { display: none; } }

/* Footer */
.site-footer { margin-top: 48px; border-top: 1px solid var(--border); background: var(--surface); }
.site-footer .container { padding: 24px 16px; display: grid; gap: 14px; grid-template-columns: 1fr; font-size: .9rem; color: var(--muted); }
@media (min-width: 700px) { .site-footer .container { grid-template-columns: 2fr 1fr 1fr; } }
.site-footer a { color: var(--muted); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 6px; }
.site-footer .fine { font-size: .82rem; }

@media (max-width: 640px) {
  .fee-table { display: block; width: 100%; }
  .fee-table tbody { display: block; }
  .fee-table thead { display: none; }
  .fee-table td.rate { white-space: normal; }
  .fee-table tr { display: block; padding: 10px 0; border-bottom: 1px solid var(--border); }
  .fee-table td { display: block; padding: 2px 0; border: 0; }
  .fee-table td.rate { color: var(--accent-2); }
  .fee-table td:first-child { font-weight: 600; }
  .fee-table td:nth-child(3) { font-size: .9rem; color: var(--muted); }
  .fee-table td:nth-child(3)::before { content: "Applies to: "; color: var(--muted); }
  .compare-table { display: table; }
  .compare-table tbody { display: table-row-group; }
  .compare-table tr { display: table-row; padding: 0; }
  .compare-table td, .compare-table th { display: table-cell; padding: 8px 6px; border-bottom: 1px solid var(--border); }
  .compare-table thead { display: table-header-group; }
  .compare-table td:first-child { font-weight: 500; }
  .compare-table td:nth-child(3)::before { content: none; }
  .example .ex-nums { grid-template-columns: 1fr; }
}

/* Mobile sticky summary bar */
.mini-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; background: var(--surface); border-top: 1px solid var(--border); box-shadow: 0 -2px 10px rgba(0,0,0,.08); padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); display: flex; align-items: center; justify-content: space-between; gap: 10px; transition: transform .2s; }
.mini-bar .mb-k { color: var(--muted); font-size: .85rem; }
.mini-bar .mb-v { font-size: 1.15rem; color: var(--accent-2); }
.mini-bar .mb-f { color: var(--muted); font-size: .85rem; }
.mini-bar .mb-go { font-weight: 600; font-size: .9rem; white-space: nowrap; }
.mini-bar.mb-hide { transform: translateY(110%); }
@media (min-width: 840px) { .mini-bar { display: none; } }
@media (max-width: 839px) { body:has(.mini-bar) { padding-bottom: 64px; } }