.btr-tf{--btr-verde:#1f7a4d;--btr-verde-osc:#165c3a;--btr-borde:#dfe3e6;--btr-gris:#5b6670;max-width:1200px;margin:0 auto;padding:0 12px 150px;box-sizing:border-box;font-family:inherit}
.btr-tf *{box-sizing:border-box}
.btr-tf-filtros{position:sticky;top:0;z-index:20;background:#fff;padding:10px 0;border-bottom:1px solid var(--btr-borde)}
.admin-bar .btr-tf-filtros{top:32px}
.btr-tf-q{width:100%;font-size:17px;padding:12px 14px;border:2px solid var(--btr-borde);border-radius:10px}
.btr-tf-q:focus{outline:none;border-color:var(--btr-verde)}
.btr-tf-qbox{position:relative}
.btr-tf-qbox .btr-tf-q{padding-right:52px}
.btr-tf-q::-webkit-search-cancel-button{-webkit-appearance:none;appearance:none}
.btr-tf-q-borrar{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:40px;height:40px;border:0;border-radius:50%;background:var(--btr-borde);color:#333;font-size:24px;line-height:40px;padding:0;cursor:pointer}
.btr-tf-fila{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;align-items:center}
.btr-tf-fila select{flex:1 1 140px;min-width:0;padding:10px;border:1px solid var(--btr-borde);border-radius:8px;font-size:15px;background:#fff}
.btr-tf-chk{font-size:15px;white-space:nowrap}
.btr-tf-estado{margin:10px 2px;color:var(--btr-gris);font-size:14px;min-height:20px}

.btr-tf-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media(min-width:700px){.btr-tf-grid{grid-template-columns:repeat(3,1fr);gap:14px}}
@media(min-width:1000px){.btr-tf-grid{grid-template-columns:repeat(4,1fr)}}

.btr-tf-card{display:flex;flex-direction:column;border:2px solid var(--btr-borde);border-radius:12px;background:#fff;overflow:hidden}
.btr-tf-card.btr-tf-sel{border-color:var(--btr-verde);box-shadow:0 0 0 2px rgba(31,122,77,.15)}
.btr-tf-foto{aspect-ratio:1/1;background:#f3f5f6;display:flex;align-items:center;justify-content:center;overflow:hidden}
.btr-tf-foto img{width:100%;height:100%;object-fit:contain;display:block}
.btr-tf-sinfoto{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;width:100%;height:100%;background:repeating-linear-gradient(45deg,#f3f5f6,#f3f5f6 10px,#eceff1 10px,#eceff1 20px);color:var(--btr-gris);text-align:center;padding:8px}
.btr-tf-sf-marca{font-size:12px;letter-spacing:.08em;font-weight:700}
.btr-tf-sf-ref{font-size:16px;font-weight:700;color:#2b343b;word-break:break-word}
.btr-tf-body{padding:10px;display:flex;flex-direction:column;gap:4px;flex:1}
.btr-tf-nombre{margin:0;font-size:15px;line-height:1.25;font-weight:700}
.btr-tf-ref{margin:0;font-size:13px;color:var(--btr-gris);word-break:break-word}
.btr-tf-tag{display:inline-block;margin-left:6px;padding:1px 6px;border-radius:6px;background:#fff3cd;color:#7a5b00;font-size:11px;font-weight:600}
.btr-tf-precio{margin:2px 0 4px;font-size:17px;font-weight:800;color:var(--btr-verde-osc)}
.btr-tf-ctl{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:auto}
.btr-tf-mm{width:44px;height:44px;border-radius:10px;border:2px solid var(--btr-verde);background:#fff;color:var(--btr-verde);font-size:24px;line-height:1;font-weight:700;cursor:pointer;padding:0}
.btr-tf-mm:active{background:var(--btr-verde);color:#fff}
.btr-tf-qty{width:56px;height:44px;text-align:center;font-size:18px;font-weight:700;border:2px solid var(--btr-borde);border-radius:10px;padding:0;-moz-appearance:textfield}
.btr-tf-qty::-webkit-outer-spin-button,.btr-tf-qty::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.btr-tf-sub{margin:4px 0 0;text-align:center;font-size:14px;color:var(--btr-gris)}
.btr-tf-sel .btr-tf-sub{color:var(--btr-verde-osc);font-weight:700}

.btr-tf-btn{display:inline-block;padding:12px 16px;border-radius:10px;border:2px solid var(--btr-verde);background:#fff;color:var(--btr-verde);font-size:16px;font-weight:700;cursor:pointer;text-decoration:none;text-align:center}
.btr-tf-primario{background:var(--btr-verde);color:#fff}
.btr-tf-primario:hover{background:var(--btr-verde-osc);color:#fff}
.btr-tf-grande{font-size:20px;padding:16px 28px}
.btr-tf-mas{text-align:center;margin:18px 0}
.btr-tf-acceso{text-align:center;margin:20px 0}

.btr-tf-barra{position:fixed;left:0;right:0;bottom:0;z-index:50;background:#fff;border-top:3px solid var(--btr-verde);padding:10px 14px calc(10px + env(safe-area-inset-bottom,0px));display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;box-shadow:0 -4px 14px rgba(0,0,0,.12)}
.btr-tf-totales{display:flex;gap:22px}
.btr-tf-totales span{display:block;font-size:11px;letter-spacing:.05em;color:var(--btr-gris)}
.btr-tf-totales strong{font-size:22px;color:#1c2429}
.btr-tf-acciones{display:flex;gap:8px;flex-wrap:wrap}
.btr-tf-selector .btr-tf-barra{position:sticky}

.btr-tf-panel{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.45);display:flex;align-items:flex-end;justify-content:center}
.btr-tf-panel[hidden]{display:none}
.btr-tf-panel-in{background:#fff;width:100%;max-width:640px;max-height:85vh;overflow:auto;border-radius:16px 16px 0 0;padding:14px}
.btr-tf-panel-cab{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-size:18px}
.btr-tf-linea{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--btr-borde)}
.btr-tf-linea img,.btr-tf-linea-sf{width:48px;height:48px;object-fit:contain;background:#f3f5f6;border-radius:6px;flex:none}
.btr-tf-linea-tx{flex:1;min-width:0;display:flex;flex-direction:column}
.btr-tf-linea-tx small{color:var(--btr-gris)}
.btr-tf-linea-imp{font-weight:700;white-space:nowrap}
.btr-tf-vacio{color:var(--btr-gris)}
.btr-tf-panel-pie{margin-top:12px}
.btr-tf-aviso{font-size:12px;color:var(--btr-gris);margin:12px 0 0}

/* ---- aviso de mínimo y formulario de solicitud ---- */
.btr-tf-min{flex-basis:100%;font-size:13px;font-weight:700;color:var(--btr-gris)}
.btr-tf-min-warn{color:#b3261e}
.btr-tf-min-ok{color:var(--btr-verde-osc)}
.btr-tf-panel-pie{display:flex;gap:8px;flex-wrap:wrap}
.btr-tf-resumen{display:flex;gap:26px;margin-bottom:10px}
.btr-tf-resumen span{display:block;font-size:11px;letter-spacing:.05em;color:var(--btr-gris);text-transform:uppercase}
.btr-tf-resumen strong{font-size:22px}
.btr-tf-alerta{padding:10px 12px;border-radius:8px;font-size:14px;font-weight:600;margin-bottom:10px}
.btr-tf-alerta-mal{background:#fdecea;color:#8a1c14;border:1px solid #f3b8b3}
.btr-tf-alerta-bien{background:#e6f4ec;color:var(--btr-verde-osc);border:1px solid #b9dfc9}
.btr-tf-avisos{margin:0 0 14px;font-size:14px;line-height:1.45;background:#fff8e1;border:1px solid #f0d98a;border-radius:8px;padding:10px 12px 10px 28px}
#btr-tf-form label{display:block;margin:0 0 10px;font-size:14px;font-weight:600}
#btr-tf-form input[type=text],#btr-tf-form input[type=email],#btr-tf-form input[type=tel],#btr-tf-form textarea{display:block;width:100%;margin-top:4px;padding:11px;font-size:16px;border:2px solid var(--btr-borde);border-radius:8px;font-weight:400}
#btr-tf-form input:focus,#btr-tf-form textarea:focus{outline:none;border-color:var(--btr-verde)}
#btr-tf-form .btr-tf-acepto{display:flex;gap:8px;align-items:flex-start;font-weight:400}
#btr-tf-form .btr-tf-acepto input{margin-top:3px;flex:none;width:20px;height:20px}
.btr-tf-trampa{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.btr-tf-error{background:#fdecea;color:#8a1c14;border:1px solid #f3b8b3;border-radius:8px;padding:10px;margin-bottom:10px;font-size:14px}
.btr-tf-error[hidden]{display:none}
#btr-tf-f-enviar{width:100%}
#btr-tf-f-enviar:disabled{opacity:.5;cursor:not-allowed}
.btr-tf-okbox h3{margin:0 0 8px;color:var(--btr-verde-osc)}

/* ---- derivar al Identificador ---- */
.btr-tf-ident{margin:22px 0;padding:16px;border:2px dashed var(--btr-borde);border-radius:12px;text-align:center;background:#fafbfb}
.btr-tf-ident p{margin:6px 0 12px;color:var(--btr-gris)}
.btr-tf-ident-resalta{border:2px solid var(--btr-verde);background:#e6f4ec}
.btr-tf-ident-resalta strong{font-size:20px}

/* el estilo de los botones no debe anular el atributo "hidden" */
.btr-tf [hidden]{display:none!important}

/* Indicadores de carga (1.4.2) */
.btr-tf-spin{display:inline-block;width:18px;height:18px;margin-right:6px;vertical-align:-4px;border:3px solid #dfe9dc;border-top-color:var(--btr-verde,#1f7a4d);border-radius:50%;animation:btrtfgira .8s linear infinite}
@keyframes btrtfgira{to{transform:rotate(360deg)}}
.btr-tf-estado{display:flex;align-items:center;flex-wrap:wrap}
.btr-tf-cargando .btr-tf-estado{color:var(--btr-verde-osc);font-weight:600}
.btr-tf-cargando .btr-tf-grid{opacity:.45;transition:opacity .15s;pointer-events:none}
.btr-tf-grid[aria-busy="true"]{opacity:1}
.btr-tf-esq{border:2px solid var(--btr-borde);border-radius:12px;background:#fff;overflow:hidden;padding-bottom:12px}
.btr-tf-esq-f{aspect-ratio:1/1;margin-bottom:12px}
.btr-tf-esq-l{height:14px;margin:8px 10px 0;border-radius:6px}
.btr-tf-esq-c{width:55%}
.btr-tf-esq-f,.btr-tf-esq-l{background:linear-gradient(90deg,#eef1f3 0%,#f8f9fa 50%,#eef1f3 100%);background-size:200% 100%;animation:btrtfbrillo 1.2s ease-in-out infinite}
@keyframes btrtfbrillo{0%{background-position:100% 0}100%{background-position:-100% 0}}
.btr-tf-mas .btr-tf-btn[disabled]{opacity:.7;cursor:wait}
.btr-tf-mide{margin:6px 2px;font-size:12px;color:#7a5b00;background:#fff8e1;border:1px solid #f0d98a;border-radius:6px;padding:4px 8px}
@media (prefers-reduced-motion:reduce){.btr-tf-spin{animation-duration:2s}.btr-tf-esq-f,.btr-tf-esq-l{animation:none}}