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.catalog-extra details{margin-bottom:10px}
.catalog-extra summary{background-color:rgba(240,240,240,.97);border-radius:5px;border:1px solid #ddd;padding:10px 15px;cursor:pointer;list-style:revert}
.catalog-extra summary h2{margin:0;color:var(--primary-dark);font-size:1.15em;display:inline}
.catalog-extra details p,.catalog-extra details ul,.catalog-extra details ol{padding:15px;line-height:1.7;color:var(--text);text-align:left}
.catalog-extra details table{margin:15px auto;border-collapse:collapse}
@media(max-width:750px){.catalog-extra{margin:0 10px 25px;padding:20px}}
/* Utilitaires — la CSP style-src interdit les styles inline */
.js-hide{display:none}
summary>h2,summary>h3{display:inline}
.mt-15{margin-top:15px}
.mt-15-c{margin-top:15px;text-align:center}
.mb-20{margin-bottom:20px}
.gap-15{gap:15px}
.bg-clear{background:transparent;padding:0}
.recap-box{margin:20px 0;padding:15px;background:var(--gray-light);border-radius:8px}
.result-flash{background:#34ABA2;color:#fff;padding:10px;border-radius:6px}
/* Editeur de formule (revision-prix) */
.formula-editor{display:flex;flex-wrap:wrap;align-items:center;row-gap:14px;column-gap:8px;margin:18px 0;padding:18px 14px;background:var(--gray-light);border-radius:var(--radius-sm);font-size:1.05em}
.formula-editor input,.formula-editor select{padding:8px 10px;border:1px solid #ddd;border-radius:var(--radius-sm);font-size:1em;text-align:center;background:var(--white)}
.formula-editor input:focus,.formula-editor select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(52,171,162,.2)}
.fx-op{font-weight:700;color:var(--primary-dark);font-size:1.15em}
.fx-field{display:inline-flex;flex-direction:column;align-items:center;gap:3px}
.fx-field input{width:110px}
#fxP0{width:140px}
.fx-l{font-size:.72em;color:var(--text-muted);font-weight:600;letter-spacing:.02em;white-space:nowrap}
#fxTermes{display:contents}
.fx-term{display:inline-flex;align-items:center;gap:8px;padding:6px;border:1px dashed #b7d4d1;border-radius:var(--radius-sm);background:var(--white)}
.fx-frac{display:inline-flex;flex-direction:column;align-items:center}
.fx-num,.fx-den{display:inline-flex;flex-direction:column;align-items:center;gap:2px;padding:4px 6px}
.fx-num{border-bottom:2px solid var(--primary-dark)}
.fx-frac input{width:96px}
.fx-x{background:none;border:none;color:#a33;font-size:1.05em;cursor:pointer;padding:2px 6px;align-self:flex-start}
.fx-x:hover{color:#d00}
.fx-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:14px 0}
.app-btn{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--white);border:none;padding:10px 20px;border-radius:25px;font-size:.95em;font-weight:600;cursor:pointer;transition:var(--transition)}
.app-btn:hover{background:linear-gradient(135deg,var(--primary-dark),var(--primary))}
.fx-actions .btn-print{background:var(--accent)}
.fx-actions .btn-print:hover{background:var(--accent-light)}
.fx-res{background:var(--white);border:1px solid #ddd;border-left:4px solid var(--primary);border-radius:var(--radius-sm);padding:16px 20px;margin:16px 0}
.fx-res p{margin-bottom:6px}
.fx-res strong{color:var(--primary-dark);font-size:1.25em}
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.tool-form select.unit-select{width:auto;min-width:80px;flex:0 0 auto}
/* Anti-copie : pas de selection de texte (aligne sur blog.css), sauf champs de saisie */
body{-webkit-user-select:none;-moz-user-select:none;user-select:none}
input,textarea,select,[contenteditable]{-webkit-user-select:text;-moz-user-select:text;user-select:text}