/* Campaign calculators */
.calc-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(330px, 1fr)); gap:16px; align-items:start; }
.calc-card { padding:18px 20px; display:flex; flex-direction:column; gap:14px; }
.calc-card header { display:flex; gap:12px; align-items:flex-start; }
.calc-card h2 { margin:0; font-size:16px; }
.calc-card header p { margin:3px 0 0; font-size:13px; line-height:1.5; color:var(--text-secondary, #5d6f63); }
.calc-icon { flex:none; width:34px; height:34px; border-radius:9px; display:grid; place-items:center; background:var(--accent-soft); color:var(--accent-text); }
.calc-icon .lucide { width:18px; height:18px; }
.calc-inputs { display:grid; gap:10px; }
.calc-inputs label { display:grid; grid-template-columns:1fr minmax(130px, 46%); align-items:center; gap:10px; font-size:13px; font-weight:600; color:var(--text-secondary, #5d6f63); }
.calc-field { display:flex; align-items:center; border:1px solid var(--line); border-radius:8px; background:var(--surface); overflow:hidden; }
.calc-field:focus-within { border-color:var(--accent-text); box-shadow:0 0 0 2px var(--accent-soft); }
.calc-field input { flex:1; min-width:0; height:38px; border:0; padding:0 10px; background:transparent; color:var(--ink); font:inherit; font-size:15px; font-weight:600; outline:none; }
.calc-field em { font-style:normal; font-size:12px; padding:0 10px; color:var(--text-secondary, #5d6f63); border-inline-start:1px solid var(--line); line-height:38px; background:var(--surface-soft, #f4f8f3); }
.calc-output { border-top:1px solid var(--line); padding-top:12px; }
.calc-results { margin:0; display:grid; gap:6px; }
.calc-results div { display:flex; justify-content:space-between; gap:12px; font-size:13px; }
.calc-results dt { color:var(--text-secondary, #5d6f63); }
.calc-results dd { margin:0; font-weight:600; text-align:end; }
.calc-results div.is-main dt { color:var(--ink); font-weight:600; }
.calc-results div.is-main dd { font-size:18px; font-weight:800; color:var(--accent-text); }
.calc-empty { margin:0; font-size:13px; color:var(--text-secondary, #5d6f63); }
.calc-formula { display:flex; gap:6px; align-items:flex-start; margin:0; font-size:12px; color:var(--text-secondary, #5d6f63); }
.calc-formula .lucide { width:13px; height:13px; flex:none; margin-top:2px; }
@media (max-width:700px) {
  .calc-grid { grid-template-columns:1fr; }
  .calc-field input { height:44px; font-size:16px; }
  .calc-field em { line-height:44px; }
}