/* Grace Ledgers — shared stylesheet. System fonts only (no external requests). */
:root{
  --bg:#faf9f7; --surface:#fff; --ink:#1b1c19; --muted:#63645d;
  --line:#e3e0d9; --accent:#3f6f5e; --accent-ink:#2c5044; --accent-soft:#eaf2ee;
  --warn-bg:#fdf6e7; --warn-line:#e8d6a8;
  --maxw:min(100% - 2.5rem, 68rem); --radius:12px;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#14150f; --surface:#1c1e17; --ink:#f0efe9; --muted:#a5a399;
    --line:#2d2f26; --accent:#7fb3a0; --accent-ink:#a5cdbe; --accent-soft:#1e2a24;
    --warn-bg:#241f12; --warn-line:#4a3f22;
  }
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--ink); line-height:1.65;
  font-family:ui-sans-serif,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
.wrap{width:var(--maxw); margin-inline:auto}
a{color:var(--accent-ink); text-decoration-thickness:1px; text-underline-offset:2px}
a:hover{color:var(--accent)}
img{max-width:100%; height:auto}

/* header */
.site-head{border-bottom:1px solid var(--line); background:var(--surface)}
.site-head .wrap{display:flex; align-items:center; justify-content:space-between; gap:1rem; padding:.9rem 0}
.brand{display:flex; align-items:center; gap:.6rem; font-weight:650; color:var(--ink); text-decoration:none; font-size:1.05rem}
.brand .mark{width:30px;height:30px;border-radius:8px;background:var(--accent);color:#fff;
  display:grid;place-items:center;font-size:.78rem;font-weight:700;letter-spacing:.02em}
.site-nav{display:flex; gap:1.25rem; flex-wrap:wrap}
.site-nav a{color:var(--muted); text-decoration:none; font-size:.94rem}
.site-nav a:hover{color:var(--accent)}

/* layout */
main{padding:3rem 0 4rem}
.narrow{max-width:44rem}
h1{font-size:clamp(1.75rem,4vw,2.4rem); line-height:1.2; letter-spacing:-.02em; margin:0 0 1rem}
h2{font-size:1.35rem; letter-spacing:-.01em; margin:2.5rem 0 .75rem}
h3{font-size:1.08rem; margin:1.75rem 0 .5rem}
p,li{color:var(--ink)}
.lede{font-size:1.12rem; color:var(--muted); margin:0 0 2rem}
ul,ol{padding-left:1.25rem}
li{margin:.35rem 0}
hr{border:0;border-top:1px solid var(--line);margin:2.5rem 0}
small,.small{font-size:.88rem;color:var(--muted)}

/* components */
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;
  padding:.7rem 1.3rem;border-radius:8px;font-weight:600;font-size:.98rem}
.btn:hover{background:var(--accent-ink);color:#fff}
.card-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));margin:1.5rem 0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem}
.card h3{margin:0 0 .4rem;font-size:1.02rem}
.card p{margin:0;color:var(--muted);font-size:.94rem}
.card a{text-decoration:none}
.card.is-soon{opacity:.72}
.tag{display:inline-block;font-size:.72rem;font-weight:650;letter-spacing:.04em;text-transform:uppercase;
  background:var(--accent-soft);color:var(--accent-ink);padding:.15rem .5rem;border-radius:999px;margin-left:.4rem}
.notice{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:var(--radius);
  padding:1rem 1.15rem;margin:2rem 0;font-size:.94rem}
.notice strong{display:block;margin-bottom:.25rem}

/* footer */
.site-foot{border-top:1px solid var(--line);background:var(--surface);padding:2rem 0;margin-top:2rem}
.site-foot .wrap{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:flex-start}
.foot-links{display:flex;gap:1.1rem;flex-wrap:wrap}
.foot-links a{color:var(--muted);text-decoration:none;font-size:.9rem}
.foot-links a:hover{color:var(--accent)}
.site-foot p{margin:0;font-size:.86rem;color:var(--muted)}
@media (max-width:640px){ main{padding:2rem 0 3rem} .site-head .wrap{flex-direction:column;align-items:flex-start} }

/* ---------- calculator ---------- */
.calc{display:grid;gap:1.5rem;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  align-items:start;margin:1.5rem 0 2.5rem}
@media (max-width:820px){ .calc{grid-template-columns:1fr} }
.calc-form,.calc-out{background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:1.35rem}
.calc-form label{display:block;font-weight:600;font-size:.9rem;margin:0 0 .3rem}
.calc-form .field{margin-bottom:1.1rem}
.calc-form input[type=text],.calc-form input[type=number]{
  width:100%;padding:.6rem .7rem;font-size:1rem;border:1px solid var(--line);
  border-radius:8px;background:var(--bg);color:var(--ink)}
.calc-form input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.calc-form .hint{font-size:.82rem;color:var(--muted);margin:.35rem 0 0}
.radio-set{display:grid;gap:.4rem}
.radio-set label{display:flex;gap:.5rem;align-items:flex-start;font-weight:450;font-size:.94rem}
.radio-set input{margin-top:.28rem;flex:none}
.chiprow{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.5rem}
.chip{font:inherit;font-size:.82rem;padding:.3rem .65rem;border:1px solid var(--line);
  background:var(--bg);color:var(--muted);border-radius:999px;cursor:pointer}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.calc-total{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;
  padding-bottom:.9rem;margin-bottom:.9rem;border-bottom:1px solid var(--line)}
.calc-total span{color:var(--muted);font-size:.9rem}
.calc-total strong{font-size:1.85rem;letter-spacing:-.02em;color:var(--accent-ink)}
.calc-table{width:100%;border-collapse:collapse;font-size:.94rem}
.calc-table th{text-align:left;font-weight:450;color:var(--muted);padding:.32rem 0}
.calc-table td{text-align:right;padding:.32rem 0;font-variant-numeric:tabular-nums}
.calc-note{font-size:.86rem;color:var(--muted);margin:.9rem 0 0;padding-top:.75rem;
  border-top:1px solid var(--line)}
.srcs{font-size:.88rem;color:var(--muted)}
.srcs li{margin:.3rem 0}
.verified{display:inline-block;font-size:.82rem;color:var(--muted);
  background:var(--accent-soft);border-radius:999px;padding:.25rem .7rem;margin-bottom:1.25rem}
.calc-table tr:last-child th,.calc-table tr:last-child td{padding-top:.6rem;
  border-top:1px solid var(--line)}

/* state index */
.state-index{list-style:none;padding:0;margin:1.25rem 0 2rem;
  display:grid;gap:.15rem 1.5rem;
  grid-template-columns:repeat(auto-fill,minmax(15rem,1fr))}
.state-index li{margin:0;padding:.32rem 0;border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:baseline;gap:.6rem}
.state-index a{text-decoration:none;font-weight:500}
.state-index a:hover{text-decoration:underline}
.state-index .small{white-space:nowrap}

/* ── Range slider (average ticket sensitivity) ───────────────────────── */
.calc-form input[type=range]{
  -webkit-appearance:none; appearance:none; width:100%; height:6px;
  background:var(--line); border-radius:999px; margin:.5rem 0 0; padding:0;
  border:0; cursor:pointer;
}
.calc-form input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none; appearance:none; width:22px; height:22px;
  border-radius:50%; background:var(--accent); border:2px solid var(--surface);
  box-shadow:0 1px 3px rgba(0,0,0,.25); cursor:pointer;
}
.calc-form input[type=range]::-moz-range-thumb{
  width:22px; height:22px; border-radius:50%; background:var(--accent);
  border:2px solid var(--surface); box-shadow:0 1px 3px rgba(0,0,0,.25);
  cursor:pointer;
}
.calc-form input[type=range]:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.slider-head{display:flex;justify-content:space-between;align-items:baseline;gap:1rem}
.slider-head .val{font-weight:650;font-size:1.15rem;color:var(--accent-ink);
  font-variant-numeric:tabular-nums}
.slider-ends{display:flex;justify-content:space-between;font-size:.78rem;
  color:var(--muted);margin:.3rem 0 0}
.calc-table tr.is-highlight th,.calc-table tr.is-highlight td{
  background:var(--accent-soft);font-weight:650;color:var(--accent-ink)}
.calc-table tr.is-highlight th:first-child{border-radius:5px 0 0 5px;padding-left:.4rem}
.calc-table tr.is-highlight td:last-child{border-radius:0 5px 5px 0;padding-right:.4rem}

/* ── Hub: featured state cards + disclosure for the rest ─────────────── */
a.card-link{display:block;text-decoration:none;color:inherit;transition:border-color .15s}
a.card-link:hover{border-color:var(--accent);color:inherit}
a.card-link h3{margin:0 0 .35rem;font-size:1.05rem;color:var(--accent-ink)}
a.card-link h3 .small{font-weight:450;color:var(--muted)}
a.card-link p{margin:0;font-size:.9rem;color:var(--muted);line-height:1.5}
.state-more{margin:1.75rem 0 0;border-top:1px solid var(--line);padding-top:1rem}
.state-more summary{cursor:pointer;font-weight:600;font-size:.95rem;color:var(--accent-ink)}
.state-more summary:hover{color:var(--accent)}
.state-more[open] summary{margin-bottom:.75rem}

/* ── Ad slots ────────────────────────────────────────────────────────────
   Reserve height so a late-loading ad does not shove the page around
   (cumulative layout shift). Renders nothing at all until a slot id is set. */
.ad-slot{margin:2rem 0;min-height:100px;display:flex;align-items:center;
  justify-content:center;overflow:hidden}
.ad-slot ins{display:block;width:100%}
.ad-slot::before{content:"Advertisement";position:absolute;font-size:.68rem;
  letter-spacing:.06em;text-transform:uppercase;color:var(--muted);opacity:.55;
  transform:translateY(-2.1rem)}
.ad-slot{position:relative}