/* Fallback local para Bootstrap Icons cuando el CDN no carga.
   Usa símbolos Unicode/emoji: no requiere fuentes externas. */
.bi{display:inline-block;min-width:1em;line-height:1;text-align:center;font-style:normal!important;font-weight:700;vertical-align:-.08em}
.bi::before{display:inline-block;content:"•"}
.bi-map-fill::before{content:"▣"}.bi-speedometer2::before{content:"◉"}.bi-person-gear::before{content:"⚙"}.bi-clipboard-check::before{content:"☑"}.bi-clipboard::before{content:"☷"}.bi-geo-alt::before{content:"⌖"}.bi-box-seam::before{content:"▤"}.bi-camera::before{content:"▣"}.bi-broadcast::before{content:"◉"}.bi-bar-chart::before{content:"▥"}.bi-house::before{content:"⌂"}.bi-shield-check::before{content:"✓"}.bi-people::before{content:"☷"}.bi-clock::before{content:"◷"}.bi-wifi::before{content:"≋"}.bi-wifi-off::before{content:"≠"}.bi-person-circle::before{content:"●"}.bi-box-arrow-right::before{content:"↪"}.bi-exclamation-triangle::before{content:"⚠"}.bi-play-fill::before{content:"▶"}.bi-cloud-slash::before{content:"☁"}.bi-list-ul::before{content:"☰"}.bi-map::before{content:"⌖"}.bi-circle-fill::before{content:"●"}.bi-plus-circle::before{content:"＋"}.bi-plus-lg::before{content:"＋"}.bi-pencil::before,.bi-pencil-square::before{content:"✎"}.bi-trash::before{content:"🗑"}.bi-lock::before,.bi-lock-fill::before{content:"🔒"}.bi-unlock::before,.bi-unlock-fill::before{content:"🔓"}.bi-eye::before{content:"◉"}.bi-download::before{content:"⇩"}.bi-upload::before{content:"⇧"}.bi-save::before{content:"✓"}.bi-x-lg::before{content:"×"}.bi-arrow-left::before{content:"←"}.bi-arrow-right::before{content:"→"}.bi-calendar::before,.bi-calendar-date::before{content:"▦"}.bi-funnel::before{content:"▾"}.bi-search::before{content:"⌕"}.bi-graph-up::before{content:"↗"}.bi-file-earmark-spreadsheet::before{content:"▦"}.bi-filetype-csv::before{content:"CSV";font-size:.72em}.bi-check-circle::before{content:"✓"}.bi-x-circle::before{content:"×"}.bi-info-circle::before{content:"i"}.bi-key::before{content:"⚿"}.bi-person-plus::before{content:"＋"}.bi-person::before{content:"●"}.bi-activity::before{content:"↯"}.bi-images::before{content:"▧"}.bi-card-checklist::before{content:"☑"}.bi-building::before{content:"▥"}.bi-pin-map::before{content:"⌖"}.bi-geo::before{content:"⌖"}.bi-router::before{content:"◌"}.bi-database::before{content:"▣"}.bi-journal-text::before{content:"☰"}.bi-file-text::before{content:"☰"}.bi-printer::before{content:"⎙"}.bi-filter::before{content:"▾"}.bi-arrow-repeat::before{content:"↻"}.bi-telephone::before{content:"☎"}.bi-envelope::before{content:"✉"}.bi-tag::before{content:"◆"}.bi-tags::before{content:"◆"}.bi-compass::before{content:"⌖"}.bi-layers::before{content:"▤"}
/* Evita botones circulares vacíos: los iconos siempre tienen ancho útil. */
.btn .bi:only-child{min-width:1.1em}
.bi-clock-history::before{content:"◷"}.bi-shield-exclamation::before{content:"!"}.bi-lightning::before{content:"↯"}.bi-clipboard-plus::before{content:"＋"}.bi-arrows-fullscreen::before{content:"⛶"}.bi-map::before{content:"⌖"}
.bi-bar-chart-fill::before{content:"▥"}.bi-box-arrow-in-right::before{content:"↪"}.bi-calendar-check::before{content:"☑"}.bi-clipboard-data::before{content:"▥"}.bi-exclamation-circle::before{content:"!"}.bi-eye-slash::before{content:"⊘"}.bi-geo-alt-fill::before{content:"⌖"}.bi-house-add::before{content:"⌂"}.bi-house-door::before{content:"⌂"}.bi-key-fill::before{content:"⚿"}.bi-person-check::before{content:"✓"}.bi-pie-chart::before{content:"◔"}.bi-play-circle::before{content:"▶"}.bi-plus::before{content:"＋"}.bi-send::before{content:"➤"}.bi-shield-lock::before{content:"🔒"}.bi-stop-circle::before{content:"■"}.bi-table::before{content:"▦"}.bi-x::before{content:"×"}