/* carregando (tela escurecida) e aviso flutuante */
.zd-carregando{position:fixed;inset:0;z-index:200;background:rgba(15,23,41,.38);backdrop-filter:blur(1.5px);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .18s}
.zd-carregando.on{opacity:1;pointer-events:auto;cursor:progress}
.zd-caixa{background:#fff;border-radius:14px;padding:14px 20px;display:flex;align-items:center;gap:12px;box-shadow:0 18px 40px -12px rgba(0,0,0,.35);font:600 14.5px/1.3 -apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:#14223a}
.zd-giro{width:22px;height:22px;border-radius:50%;border:3px solid #dde7f3;border-top-color:#1e3350;animation:zdgiro .8s linear infinite}
@keyframes zdgiro{to{transform:rotate(360deg)}}
#zd-toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,16px);z-index:210;max-width:min(560px,92vw);background:#14223a;color:#fff;padding:11px 18px;border-radius:11px;font:500 14px/1.4 -apple-system,"Segoe UI",Roboto,Arial,sans-serif;box-shadow:0 14px 30px -10px rgba(0,0,0,.45);opacity:0;pointer-events:none;transition:.22s}
#zd-toast.on{opacity:1;transform:translate(-50%,0)}#zd-toast.erro{background:#991b1b}
#zd-toast:before{content:"✓  ";font-weight:800}#zd-toast.erro:before{content:"⚠  "}
button.zd-ocupado{opacity:.6;cursor:progress}
@media (prefers-reduced-motion:reduce){.zd-giro{animation-duration:2.4s}.zd-carregando,#zd-toast{transition:none}}