/* ============================================================
   Manda — Difusión masiva (asistente por pasos)
   ============================================================ */
.bc-overlay { position: fixed; inset: 0; z-index: 70; background: var(--ground); display: flex; flex-direction: column; }
.bc-top { height: 66px; flex-shrink: 0; background: #fff; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 14px; padding: 0 20px; }
.bc-top .bc-close { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line); background: #fff; cursor: pointer; display: grid; place-items: center; font-size: 18px; color: var(--ink); }
.bc-top .bc-close:hover { background: var(--ground); }
.bc-top .bc-name { font-weight: 800; font-size: 15px; border: 1.5px solid transparent; border-radius: 9px; padding: 6px 10px; outline: none; background: transparent; min-width: 220px; }
.bc-top .bc-name:hover { border-color: var(--line); }
.bc-top .bc-name:focus { border-color: var(--purpura); }

/* Stepper */
.bc-steps { display: flex; align-items: center; gap: 6px; margin: 0 auto; }
.bc-step { display: flex; align-items: center; gap: 8px; }
.bc-step .bc-dot { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: 13px; background: var(--ground); color: var(--muted); transition: .2s; }
.bc-step .bc-lbl { font-size: 13px; font-weight: 700; color: var(--muted); }
.bc-step.active .bc-dot { background: var(--purpura); color: #fff; }
.bc-step.active .bc-lbl { color: var(--purpura); }
.bc-step.done .bc-dot { background: var(--ok); color: #fff; }
.bc-step.done .bc-lbl { color: var(--ink); }
.bc-sep { width: 26px; height: 2px; background: var(--line); border-radius: 2px; }

.bc-body { flex: 1; min-height: 0; overflow: hidden; display: flex; }
.bc-foot { height: 74px; flex-shrink: 0; background: #fff; border-top: 1px solid var(--line); display: flex; align-items: center; padding: 0 24px; gap: 12px; }
.bc-foot .spacer { flex: 1; }
.bc-hint { color: var(--muted); font-size: 13px; }

/* Paso 1: 3 columnas */
.bc-cols { display: grid; grid-template-columns: 240px 1fr 300px; gap: 16px; padding: 18px 22px; width: 100%; min-height: 0; }
.bc-panel { background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--sh-sm); display: flex; flex-direction: column; min-height: 0; overflow: hidden; }
.bc-panel h4 { margin: 0; padding: 15px 16px 10px; font-size: 12px; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); }

.bc-source { padding: 6px; overflow-y: auto; }
.bc-source button { display: flex; align-items: center; gap: 10px; width: 100%; text-align: left; border: 0; background: transparent; padding: 11px 12px; border-radius: 10px; cursor: pointer; font: inherit; font-size: 13.5px; font-weight: 700; color: var(--ink); }
.bc-source button svg { width: 18px; height: 18px; color: var(--muted); }
.bc-source button:hover { background: var(--ground); }
.bc-source button.sel { background: var(--purpura); color: #fff; }
.bc-source button.sel svg { color: #fff; }

.bc-mid { display: flex; flex-direction: column; min-height: 0; }
.bc-mid .bc-search-row { padding: 14px 16px 10px; display: flex; gap: 10px; }
.bc-mid .bc-search-row input { flex: 1; border: 1.5px solid var(--line); border-radius: 11px; padding: 10px 13px; font: inherit; font-size: 14px; outline: none; }
.bc-mid .bc-search-row input:focus { border-color: var(--purpura); box-shadow: 0 0 0 3px rgba(76,77,195,.16); }
.bc-count { padding: 0 16px 8px; font-size: 12.5px; color: var(--muted); font-weight: 700; }
.bc-list { flex: 1; overflow-y: auto; padding: 4px 10px 10px; }
.bc-item { display: flex; align-items: center; gap: 11px; padding: 9px 11px; border-radius: 10px; cursor: pointer; }
.bc-item:hover { background: var(--ground); }
.bc-item .avatar { width: 38px; height: 38px; font-size: 13px; }
.bc-item .meta { flex: 1; min-width: 0; }
.bc-item .meta .name { font-weight: 700; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bc-item .meta .num { font-size: 12px; color: var(--muted); }
.bc-check { width: 20px; height: 20px; border-radius: 6px; border: 2px solid #C7CBE0; flex-shrink: 0; display: grid; place-items: center; color: #fff; }
.bc-item.on .bc-check { background: var(--purpura); border-color: var(--purpura); }
.bc-item.on .bc-check::after { content: '✓'; font-size: 13px; font-weight: 800; }

.bc-sel-list { flex: 1; overflow-y: auto; padding: 6px 10px; }
.bc-chip { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 9px; }
.bc-chip:hover { background: var(--ground); }
.bc-chip .meta { flex: 1; min-width: 0; }
.bc-chip .meta .name { font-weight: 700; font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bc-chip .x { border: 0; background: transparent; color: var(--muted); cursor: pointer; font-size: 16px; }
.bc-chip .x:hover { color: #E23D6D; }
.bc-sel-head { display: flex; align-items: center; padding: 15px 16px 8px; }
.bc-sel-head h4 { padding: 0; flex: 1; }
.bc-sel-head .clr { border: 0; background: transparent; color: #E23D6D; font-weight: 700; font-size: 12.5px; cursor: pointer; }
.bc-addnum { padding: 10px 12px; border-top: 1px solid var(--line); display: flex; gap: 8px; }
.bc-addnum input { flex: 1; border: 1.5px solid var(--line); border-radius: 10px; padding: 9px 11px; font: inherit; font-size: 13.5px; outline: none; }
.bc-addnum button { border: 0; background: var(--purpura); color: #fff; border-radius: 10px; padding: 0 14px; font-weight: 800; cursor: pointer; }

/* Pasos centrados (2,3,4,5) */
.bc-center { width: 100%; overflow-y: auto; padding: 30px; display: flex; justify-content: center; }
.bc-card { width: 100%; max-width: 640px; }
.bc-card h2 { font-size: 22px; font-weight: 800; margin: 0 0 4px; }
.bc-card .sub { color: var(--muted); font-size: 14px; margin: 0 0 22px; }
.bc-field { margin-bottom: 18px; }
.bc-field > label { display: block; font-size: 13px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.bc-field textarea, .bc-field input[type=text], .bc-field input[type=datetime-local] { width: 100%; border: 1.5px solid var(--line); border-radius: 12px; padding: 12px 14px; font: inherit; font-size: 14.5px; outline: none; }
.bc-field textarea:focus, .bc-field input:focus { border-color: var(--purpura); box-shadow: 0 0 0 3px rgba(76,77,195,.16); }
.bc-var { display: inline-flex; gap: 8px; margin-bottom: 8px; }
.bc-var button { border: 1.5px solid var(--line); background: var(--purpura-050); color: var(--purpura); border-radius: 8px; padding: 5px 10px; font-weight: 800; font-size: 12.5px; cursor: pointer; }
.bc-var button:hover { border-color: var(--purpura); }
.bc-two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.bc-drop { border: 1.5px dashed var(--line); border-radius: 12px; padding: 20px; text-align: center; color: var(--muted); cursor: pointer; }
.bc-drop:hover { border-color: var(--purpura); background: var(--purpura-050); }
.bc-prev { margin-top: 12px; }
.bc-prev img, .bc-prev video { max-width: 220px; border-radius: 10px; }
.bc-bubble { background: var(--purpura); color: var(--hueso); border-radius: 14px; border-bottom-right-radius: 5px; padding: 11px 14px; font-size: 14px; max-width: 80%; margin-left: auto; box-shadow: var(--sh-sm); white-space: pre-wrap; }

.bc-summary { background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--sh-sm); overflow: hidden; }
.bc-summary .row { display: flex; gap: 14px; padding: 15px 18px; border-bottom: 1px solid var(--ground); }
.bc-summary .row:last-child { border-bottom: 0; }
.bc-summary .row .k { width: 130px; color: var(--muted); font-size: 13px; font-weight: 700; flex-shrink: 0; }
.bc-summary .row .v { flex: 1; font-size: 14px; }
.bc-big { font-size: 40px; font-weight: 800; color: var(--purpura); }

.bc-progress-wrap { text-align: center; }
.bc-progress-wrap .pbar { height: 12px; border-radius: 999px; background: var(--ground); overflow: hidden; margin: 18px 0 10px; }
.bc-progress-wrap .pbar > i { display: block; height: 100%; background: var(--purpura); border-radius: 999px; transition: width .4s; }
.bc-stat { display: flex; gap: 18px; justify-content: center; margin-top: 16px; }
.bc-stat div { text-align: center; }
.bc-stat .n { font-size: 26px; font-weight: 800; }
.bc-stat .l { font-size: 12px; color: var(--muted); font-weight: 700; }

.seg-min-max { display: flex; align-items: center; gap: 10px; }
.seg-min-max input { width: 90px; }
.chk { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 14px; font-weight: 700; }

/* Aviso no bloqueante */
.bc-toast {
  position: absolute; bottom: 90px; left: 50%; transform: translateX(-50%) translateY(10px);
  background: var(--navy); color: #fff; padding: 11px 20px; border-radius: 999px;
  font-size: 13.5px; font-weight: 700; box-shadow: var(--m-sh-lg, 0 22px 55px rgba(39,51,77,.2));
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 90;
}
.bc-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---- Constructor de bloques en Envíos masivos ---- */
.bc-blocks { display: flex; flex-direction: column; gap: 14px; }
.bc-block { border: 1.5px solid var(--line); border-radius: 14px; padding: 14px; background: #fff; }
.bc-block-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.bc-block-head span { font-weight: 800; font-size: 13px; color: var(--navy); }
.bc-block-del { border: 0; background: transparent; color: var(--muted); font-size: 20px; line-height: 1; cursor: pointer; padding: 0 4px; }
.bc-block-del:hover { color: #E23D6D; }
.bc-block textarea { width: 100%; border: 1.5px solid var(--line); border-radius: 11px; padding: 10px 13px; font: inherit; font-size: 14px; outline: none; resize: vertical; }
.bc-block textarea:focus { border-color: var(--purpura); box-shadow: 0 0 0 3px rgba(76,77,195,.16); }
.bc-bdrop { margin-top: 10px; padding: 12px; font-size: 13px; }
.bc-block .bc-prev audio { width: 100%; margin-top: 10px; }
.bc-doc { background: var(--ground); border-radius: 10px; padding: 10px 12px; margin-top: 10px; font-size: 13px; }
.bc-add-block { width: 100%; border: 1.5px dashed var(--line); background: #fff; color: var(--purpura); font-weight: 800; padding: 11px; border-radius: 12px; cursor: pointer; font: inherit; margin-top: 14px; }
.bc-add-block:hover { border-color: var(--purpura); background: var(--purpura-050); }
.bc-interval { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.bc-interval label { margin: 0; }
.bc-interval input { border: 1.5px solid var(--line); border-radius: 10px; padding: 9px 12px; font: inherit; font-size: 14px; outline: none; }
.bc-interval input:focus { border-color: var(--purpura); box-shadow: 0 0 0 3px rgba(76,77,195,.16); }

/* ---- Cargar Respuesta rápida en la difusión ---- */
.bc-qr-load { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; background: var(--purpura-050); border-radius: 12px; padding: 12px 14px; margin-bottom: 16px; }
.bc-qr-load span { font-size: 13px; font-weight: 700; color: var(--navy); }
.bc-qr-load select { flex: 1; min-width: 180px; border: 1.5px solid var(--line); border-radius: 10px; padding: 9px 12px; font: inherit; font-size: 13.5px; outline: none; background: #fff; }
.bc-qr-btn { border: 0; background: var(--purpura); color: #fff; font-weight: 800; font-size: 13px; border-radius: 10px; padding: 9px 16px; cursor: pointer; }
.bc-qr-btn:hover { filter: brightness(1.05); }