/* Calculator Tools Suite — scoped styles (all selectors under .cac-tool) */
.cac-tool{
  color-scheme: light dark;
  --bg:#f3f5ee; --surface:#ffffff; --surface-soft:#e8ece2;
  --ink:#142018; --muted:#59645d; --line:#cbd2c9;
  --brand:#086b4c; --brand-deep:#044c37; --brand-soft:#d3eadf;
  --signal:#ffd95a; --danger:#b92c3f;
  --shadow:0 14px 40px rgba(23,44,32,.10); --focus:#008f67;
}
@media (prefers-color-scheme: dark){
  .cac-tool{
    --bg:#111914; --surface:#18231c; --surface-soft:#202d25;
    --ink:#edf5ef; --muted:#b3c0b7; --line:#39473d;
    --brand:#69d3aa; --brand-deep:#9de7c8; --brand-soft:#1d4435;
    --signal:#ebc94d; --danger:#ff8b9b;
    --shadow:0 14px 40px rgba(0,0,0,.28); --focus:#8de4bf;
  }
}
.cac-tool{ max-width:880px; margin:0 auto; color:var(--ink); font-family:"Figtree",sans-serif; line-height:1.55; }
.cac-tool h2{ font-family:"Source Serif 4",serif; font-size:clamp(1.7rem,3.4vw,2.5rem); letter-spacing:-.02em; line-height:1.1; margin:0 0 10px; }
.cac-tool .cac-lede{ color:var(--muted); margin:0 0 26px; font-size:1.02rem; }
.cac-tool .cac-card{ background:var(--surface); border-radius:14px; box-shadow:var(--shadow); border-top:6px solid var(--brand); padding:clamp(22px,4vw,34px); }
.cac-tool .cac-fields{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.cac-tool .cac-field label{ display:block; font-weight:700; font-size:.9rem; margin-bottom:8px; }
.cac-tool .cac-field input, .cac-tool .cac-field select{
  width:100%; min-height:52px; padding:0 13px; border:1px solid var(--line);
  border-radius:8px; background:var(--bg); color:var(--ink); font:inherit; font-weight:600;
}
.cac-tool .cac-field input:hover, .cac-tool .cac-field select:hover{ border-color:var(--brand); }
.cac-tool .cac-error{ min-height:22px; margin:10px 0 0; color:var(--danger); font-size:.86rem; font-weight:600; }
.cac-tool .cac-btn{
  display:inline-flex; align-items:center; justify-content:center; min-height:50px;
  padding:0 26px; margin-top:14px; border:0; border-radius:8px;
  background:var(--brand); color:#fff; font:inherit; font-weight:800; cursor:pointer;
  transition:transform 160ms ease;
}
@media (prefers-color-scheme: dark){ .cac-tool .cac-btn{ color:#102017; } }
.cac-tool .cac-btn:hover{ transform:translateY(-1px); }
.cac-tool .cac-results{ margin-top:22px; background:var(--brand-deep); color:#f4fff9; border-radius:12px; padding:clamp(20px,3.5vw,30px); }
.cac-tool .cac-results[hidden]{ display:none; }
.cac-tool .cac-big{ font-family:"Source Serif 4",serif; font-size:clamp(1.9rem,4.5vw,2.9rem); font-weight:700; line-height:1.1; margin:0; }
.cac-tool .cac-sub{ margin:12px 0 0; color:#d6eee2; font-size:.92rem; }
.cac-tool .cac-rows{ display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-top:14px; }
.cac-tool .cac-row{ background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.14); border-radius:8px; padding:10px 14px; }
.cac-tool .cac-row span{ display:block; font-size:.76rem; color:#b8dbc9; }
.cac-tool .cac-row strong{ font-size:1.05rem; }
.cac-tool .cac-faq{ margin-top:34px; }
.cac-tool .cac-faq h3{ font-family:"Source Serif 4",serif; font-size:1.4rem; margin:0 0 6px; }
.cac-tool details{ border-top:1px solid var(--line); }
.cac-tool details:last-child{ border-bottom:1px solid var(--line); }
.cac-tool summary{ position:relative; padding:16px 40px 16px 0; cursor:pointer; font-weight:700; list-style:none; }
.cac-tool summary::-webkit-details-marker{ display:none; }
.cac-tool summary::after{ content:"+"; position:absolute; right:6px; top:12px; font-size:1.4rem; color:var(--brand); }
.cac-tool details[open] summary::after{ content:"\2212"; }
.cac-tool details p{ margin:-2px 40px 18px 0; color:var(--muted); font-size:.94rem; }
/* Tools directory grid */
.cac-tool .cac-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:26px; }
.cac-tool .cac-tile{
  display:block; background:var(--surface); border:1px solid var(--line); border-radius:12px;
  padding:20px; text-decoration:none; color:var(--ink); transition:transform 160ms ease, border-color 160ms ease;
}
.cac-tool .cac-tile:hover{ border-color:var(--brand); transform:translateY(-2px); }
.cac-tool .cac-tile strong{ font-size:1.04rem; }
.cac-tool .cac-tile span{ display:block; color:var(--muted); font-size:.87rem; margin-top:6px; }
@media (max-width:760px){ .cac-tool .cac-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:620px){
  .cac-tool .cac-fields{ grid-template-columns:1fr; }
  .cac-tool .cac-rows{ grid-template-columns:1fr; }
}
@media (max-width:520px){ .cac-tool .cac-grid{ grid-template-columns:1fr; } }