/*
 * Helpers Bootstrap Icons — équivalents des modificateurs Font Awesome
 * (fa-2x, fa-lg, fa-spin, fa-bounce, fa-flip-horizontal...) absents nativement de BI.
 * Chargé via partials/head.html pendant la migration FA -> BI.
 */
.bi-2xl { font-size: 2em; }
.bi-2x  { font-size: 2em; }
.bi-3x  { font-size: 3em; }
.bi-lg  { font-size: 1.333em; }
.bi-sm  { font-size: .875em; }
.bi-fw  { display: inline-block; width: 1.25em; text-align: center; }

.bi-flip-h { display: inline-block; transform: scaleX(-1); }
.bi-flip-v { display: inline-block; transform: scaleY(-1); }

.bi-spin   { display: inline-block; animation: bi-spin 2s linear infinite; }
.bi-bounce { display: inline-block; animation: bi-bounce 1s ease infinite; }

@keyframes bi-spin   { 100% { transform: rotate(360deg); } }
@keyframes bi-bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-25%); } }