/* Iconos ligeros sin dependencia de internet (sustituyen a bootstrap-icons) */
.bi { display: inline-block; font-style: normal; line-height: 1; }
.bi::before { display: inline-block; }

.bi-plus-lg::before { content: "+"; font-weight: bold; font-size: 1.1em; }
.bi-pencil::before { content: "✎"; }
.bi-trash::before { content: "✕"; font-weight: bold; }
.bi-archive::before { content: "🗄"; }
.bi-arrow-counterclockwise::before { content: "↺"; font-weight: bold; }
.bi-heart-pulse::before { content: "♥"; }
.bi-heart-pulse-fill::before { content: "♥"; }
.bi-person-circle::before { content: "👤"; }
.bi-tools::before { content: "🔧"; }
.bi-mortarboard::before { content: "🎓"; }
.bi-geo-alt::before { content: "📍"; }
.bi-battery-half::before { content: "🔋"; }
.bi-battery-charging::before { content: "⚡"; }
.bi-file-earmark-text::before { content: "📄"; }
.bi-file-earmark-excel::before { content: "📊"; }