/* Chat interno estilo MSN (v25) */
#msn-root{position:fixed;right:18px;bottom:18px;z-index:900;display:flex;align-items:flex-end;gap:12px;pointer-events:none;font-family:inherit}
#msn-root>*{pointer-events:auto}
.msn-col{display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.msn-win{background:var(--white,#fff);border:1px solid #c0deff;border-radius:12px;box-shadow:0 12px 36px rgba(30,58,138,.28);overflow:hidden;display:flex;flex-direction:column}
.msn-win[hidden]{display:none}
.msn-lista{width:300px;height:min(520px,calc(100vh - 110px))}
.msn-chat{width:360px;height:min(460px,calc(100vh - 40px))}
.msn-top{display:flex;gap:10px;align-items:flex-start;padding:12px;background:linear-gradient(135deg,#1e3a8a,#2563eb);color:#fff}
.msn-eu-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}
.msn-eu-nome{font-weight:700;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#msn-status{background:rgba(255,255,255,.15);color:#fff;border:0;border-radius:6px;font-size:12px;padding:2px 4px;font-family:inherit;max-width:150px}
#msn-status option{color:#111}
#msn-msg{background:transparent;border:0;border-bottom:1px dashed rgba(255,255,255,.45);color:#fff;font-size:12px;padding:2px 0;font-family:inherit;width:100%}
#msn-msg::placeholder{color:rgba(255,255,255,.7)}
#msn-msg:focus{outline:0;border-bottom-style:solid}
.msn-av{width:38px;height:38px;border-radius:50%;border:3px solid #9ca3af;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex:none;background:#edf6ff;color:#1e3a8a}
.msn-av-eu{background:#fff!important}
.msn-av-p{width:34px;height:34px;font-size:12px}
.msn-ico{background:transparent;border:0;color:inherit;cursor:pointer;font-size:14px;padding:6px 8px;border-radius:8px;line-height:1}
.msn-ico:hover{background:rgba(255,255,255,.2)}
.msn-ico-claro{color:#fff}
.msn-busca{padding:8px 10px;border-bottom:1px solid #edf6ff}
.msn-busca input{width:100%;padding:7px 10px;border:1px solid #c0deff;border-radius:8px;font-size:13px;font-family:inherit;background:var(--white,#fff);color:inherit}
.msn-contatos{flex:1;overflow:auto;padding:4px 0}
.msn-grupo summary{cursor:pointer;font-size:12px;font-weight:700;color:#1e3a8a;padding:7px 12px;list-style:none;text-transform:uppercase;letter-spacing:.03em}
.msn-grupo summary::-webkit-details-marker{display:none}
.msn-grupo summary::before{content:'▾ '}
.msn-grupo:not([open]) summary::before{content:'▸ '}
.msn-contato{display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:none;border:0;padding:6px 12px;cursor:pointer;font-family:inherit;color:inherit}
.msn-contato:hover{background:#edf6ff}
.msn-contato.novo .msn-ct-nome{font-weight:800}
.msn-ct{display:flex;flex-direction:column;min-width:0;flex:1}
.msn-ct-nome{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.msn-ct-nome em{font-style:normal;font-weight:400;color:#6b7280;font-size:12px}
.msn-ct-msg{font-size:12px;color:#6b7280;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.msn-nl,.msn-badge{background:#ef4444;color:#fff;font-size:11px;font-weight:700;border-radius:999px;min-width:18px;height:18px;padding:0 5px;display:inline-flex;align-items:center;justify-content:center}
.msn-vazio{text-align:center;color:#6b7280;font-size:13px;padding:24px 12px}
.msn-rodape{display:flex;align-items:center;gap:6px;padding:6px 10px;border-top:1px solid #edf6ff;flex-wrap:wrap}
.msn-aviso{font-size:11px;color:#b45309;margin-left:auto}
.msn-tool{background:#edf6ff;color:#1e3a8a;border:1px solid #c0deff;border-radius:8px;font-size:12px;padding:4px 8px;cursor:pointer;font-family:inherit}
.msn-tool:hover{background:#c0deff}
#msn-fab{position:relative;width:56px;height:56px;border-radius:50%;border:0;cursor:pointer;color:#fff;background:linear-gradient(135deg,#2563eb,#1e3a8a);box-shadow:0 6px 18px rgba(30,58,138,.4);display:flex;align-items:center;justify-content:center;transition:transform .15s}
#msn-fab:hover{transform:scale(1.07)}
.msn-dot{position:absolute;right:3px;bottom:3px;width:14px;height:14px;border-radius:50%;border:2px solid #fff;background:#22c55e}
.msn-badge{position:absolute;top:-4px;right:-4px;border:2px solid #fff}
.msn-badge[hidden]{display:none}
.msn-chat-top{display:flex;align-items:center;gap:10px;padding:10px;background:linear-gradient(135deg,#1e3a8a,#2563eb);color:#fff}
.msn-chat-top .msn-av{width:34px;height:34px;font-size:12px}
.msn-c-info{flex:1;min-width:0}
.msn-c-nome{font-weight:700;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.msn-c-sub{font-size:11px;opacity:.85;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#msn-voltar{display:none}
.msn-msgs{flex:1;overflow:auto;padding:10px 12px;background:var(--white,#fff);font-size:13.5px}
.msn-dia{text-align:center;font-size:11px;color:#6b7280;margin:8px 0}
.msn-diz{font-size:12px;color:#6b7280;margin-top:8px}
.msn-diz.eu{color:#1e3a8a}
.msn-diz small{opacity:.7}
.msn-linha{position:relative;margin:1px 0 0 10px;padding:3px 24px 3px 0;word-break:break-word;line-height:1.4;border-left:2px solid #c0deff;padding-left:8px}
.msn-linha.eu{border-left-color:#2563eb}
.msn-linha a{color:#2563eb}
.msn-del{position:absolute;right:2px;top:2px;background:none;border:0;color:#9ca3af;cursor:pointer;font-size:15px;opacity:0;line-height:1}
.msn-linha:hover .msn-del,.msn-del:focus{opacity:1}
.msn-sis{text-align:center;font-size:12px;color:#92400e;background:#fef3c7;border-radius:8px;padding:4px 8px;margin:8px 0}
.msn-digitando{font-size:12px;color:#6b7280;min-height:18px;padding:0 12px;font-style:italic}
.msn-tools{display:flex;gap:6px;padding:4px 10px;border-top:1px solid #edf6ff}
.msn-compose{display:flex;gap:8px;padding:8px 10px 10px;align-items:flex-end}
.msn-compose textarea{flex:1;resize:none;border:1px solid #c0deff;border-radius:10px;padding:8px 10px;font-family:inherit;font-size:13.5px;background:var(--white,#fff);color:inherit;max-height:90px}
.msn-compose textarea:focus{outline:2px solid #2563eb33;border-color:#2563eb}
.msn-enviar{background:#2563eb;color:#fff;border:0;border-radius:10px;padding:9px 14px;font-weight:600;cursor:pointer;font-family:inherit}
.msn-enviar:hover{background:#1e3a8a}
@keyframes msn-treme{0%,100%{transform:translate(0,0)}15%{transform:translate(-9px,3px)}30%{transform:translate(8px,-4px)}45%{transform:translate(-7px,-3px)}60%{transform:translate(7px,4px)}75%{transform:translate(-4px,2px)}}
.msn-treme{animation:msn-treme .6s ease}
#msn-toasts{position:fixed;right:18px;bottom:90px;z-index:950;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.msn-toast{pointer-events:auto;display:flex;gap:10px;align-items:center;width:290px;text-align:left;background:var(--white,#fff);color:inherit;border:1px solid #c0deff;border-left:4px solid #2563eb;border-radius:10px;padding:8px 10px;box-shadow:0 10px 28px rgba(30,58,138,.3);cursor:pointer;font-family:inherit;animation:msn-in .25s ease}
.msn-toast.leve{border-left-color:#22c55e;opacity:.95}
.msn-toast.sai{opacity:0;transform:translateY(8px);transition:.2s}
@keyframes msn-in{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
body.dark .msn-win,body.dark .msn-toast,body.dark .msn-msgs,body.dark .msn-compose textarea,body.dark .msn-busca input{background:#111827;border-color:#1e3a8a;color:#e5e7eb}
body.dark .msn-contato:hover,body.dark .msn-tool{background:#1e293b;color:#c0deff;border-color:#1e3a8a}
body.dark .msn-grupo summary{color:#c0deff}
body.dark .msn-linha{border-left-color:#1e3a8a}
@media (max-width:600px){
  #msn-root{right:12px;bottom:calc(70px + env(safe-area-inset-bottom,0px))}
  .msn-lista{width:calc(100vw - 24px)}
  .msn-chat{position:fixed;inset:0;width:100vw;height:100dvh;border-radius:0;z-index:960}
  #msn-voltar{display:inline-block}
  #msn-fechar-chat{display:none}
  #msn-toasts{right:12px;left:12px;bottom:auto;top:12px}
  .msn-toast{width:100%}
}
@media (prefers-reduced-motion:reduce){.msn-treme,.msn-toast{animation:none}}