/* IA ATR — preto e limão (identidade da ATR), claro e escuro, feita para celular primeiro. */
:root {
  --bg: #f6f6f2;
  --painel: #ffffff;
  --lateral: #efefe9;
  --texto: #15171a;
  --suave: #5b6169;
  --borda: #dedfd6;
  --acento: #b9ef2f;
  --acento-forte: #a6dc1c;
  --acento-texto: #10130a;
  --acento-linha: #5d8300;
  --perigo: #c93a2e;
  --perigo-fundo: #fbe9e7;
  --ok: #2f7d32;
  --balao: #e9ecdd;
  --codigo: #14161a;
  --codigo-topo: #1f2328;
  --codigo-texto: #e8eaed;
  --sombra: 0 1px 2px rgba(20, 24, 12, .06), 0 8px 24px rgba(20, 24, 12, .08);
  --raio: 14px;
  --fonte: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  color-scheme: light;
}
:root[data-tema="escuro"] { --bg: #0e0f11; --painel: #16181b; --lateral: #101113; --texto: #ececea; --suave: #9aa0a6; --borda: #26292d; --acento: #c8f54a; --acento-forte: #d6ff5e; --acento-linha: #c8f54a; --perigo: #ff7a6e; --perigo-fundo: #2a1614; --ok: #7bd88a; --balao: #1e2316; --sombra: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35); color-scheme: dark; }
@media (prefers-color-scheme: dark) {
  :root[data-tema="auto"] { --bg: #0e0f11; --painel: #16181b; --lateral: #101113; --texto: #ececea; --suave: #9aa0a6; --borda: #26292d; --acento: #c8f54a; --acento-forte: #d6ff5e; --acento-linha: #c8f54a; --perigo: #ff7a6e; --perigo-fundo: #2a1614; --ok: #7bd88a; --balao: #1e2316; --sombra: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35); color-scheme: dark; }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--texto); font: 16px/1.55 var(--fonte); -webkit-text-size-adjust: 100%; overflow: hidden; }
#raiz { height: 100%; }
h1, h2, h3 { line-height: 1.25; margin: 0; text-wrap: balance; }
h3 { font-size: 15px; margin-top: 8px; }
p { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--acento-linha); }
.suave { color: var(--suave); }
.pequeno { font-size: 13px; }
.espaco { flex: 1; }
.icone { display: inline-flex; flex-shrink: 0; }
:focus-visible { outline: 2px solid var(--acento-linha); outline-offset: 2px; border-radius: 6px; }

/* ───── botões e campos ───── */
.botao { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px; padding: 8px 16px; border-radius: 10px; border: 1px solid transparent; font-weight: 600; font-size: 14.5px; text-decoration: none; transition: transform .06s, background .15s, border-color .15s; white-space: nowrap; }
.botao:active { transform: scale(.98); }
.botao:disabled { opacity: .55; cursor: not-allowed; }
.botao.primario { background: var(--acento); color: var(--acento-texto); }
.botao.primario:hover:not(:disabled) { background: var(--acento-forte); }
.botao.neutro { background: var(--painel); border-color: var(--borda); }
.botao.neutro:hover:not(:disabled) { border-color: var(--suave); }
.botao.perigo { background: transparent; border-color: var(--perigo); color: var(--perigo); }
.botao.perigo:hover:not(:disabled) { background: var(--perigo-fundo); }
.botao.grande { min-height: 48px; font-size: 16px; }
.botao.cheio { width: 100%; }
.botao.pequeno { min-height: 34px; padding: 4px 12px; font-size: 13.5px; }
.icone-botao { display: inline-grid; place-items: center; width: 40px; height: 40px; border: 0; border-radius: 10px; background: transparent; color: var(--suave); }
.icone-botao:hover { background: color-mix(in srgb, var(--texto) 8%, transparent); color: var(--texto); }
.icone-botao.mini { width: 30px; height: 30px; border-radius: 8px; }
.link { background: none; border: 0; padding: 0 0 0 8px; color: var(--acento-linha); text-decoration: underline; font-size: inherit; }
.campo { width: 100%; min-height: 44px; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--borda); background: var(--painel); }
textarea.campo { resize: vertical; min-height: 84px; }
.campo:focus { outline: 2px solid var(--acento-linha); outline-offset: 0; border-color: transparent; }
.rotulo { display: block; font-size: 13.5px; font-weight: 600; margin: 12px 0 6px; color: var(--suave); }
.rotulo:first-child { margin-top: 0; }
.chip { display: inline-flex; align-items: center; gap: 6px; min-height: 34px; padding: 4px 12px; border-radius: 999px; border: 1px solid var(--borda); background: var(--painel); font-size: 13.5px; }
.chip:hover:not(:disabled) { border-color: var(--suave); }
.chip:disabled { opacity: .45; cursor: not-allowed; }
.chip.ativo, .chip[aria-pressed="true"] { background: var(--acento); border-color: var(--acento); color: var(--acento-texto); font-weight: 600; }
.seletor { min-height: 36px; max-width: 190px; padding: 4px 28px 4px 10px; border-radius: 9px; border: 1px solid var(--borda); background: var(--painel); font-size: 13.5px; text-overflow: ellipsis; }
.pilula { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--painel); border: 1px solid var(--borda); white-space: nowrap; }
.pilula::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--suave); }
.pilula.on::before { background: #38c24b; box-shadow: 0 0 0 3px rgba(56, 194, 75, .2); }
.pilula.off::before { background: var(--perigo); }
.erro-form { color: var(--perigo); font-size: 14px; margin-top: 10px; }
.formulario { display: grid; gap: 4px; }
.linha { display: flex; gap: 8px; }
.opcao { display: flex; align-items: center; gap: 8px; font-size: 14.5px; margin-top: 8px; }
.opcao input { width: 18px; height: 18px; accent-color: var(--acento-linha); }

/* ───── entrada ───── */
.entrada { min-height: 100%; display: grid; place-items: center; padding: 20px; overflow: auto; background: radial-gradient(900px 500px at 50% -10%, color-mix(in srgb, var(--acento) 16%, transparent), transparent 70%), var(--bg); }
.entrada-cartao { width: min(420px, 100%); background: var(--painel); border: 1px solid var(--borda); border-radius: 20px; padding: 28px 24px 24px; box-shadow: var(--sombra); display: grid; gap: 10px; }
.entrada-cartao h1 { font-size: 24px; margin-top: 8px; }
.entrada-form { display: grid; gap: 2px; margin-top: 8px; }
.entrada-form .botao { margin-top: 16px; }
.marca { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.01em; font-size: 18px; }
.logo-quadrado { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; background: #0e0f11; color: var(--acento); }

/* ───── estrutura ───── */
.app { display: grid; grid-template-columns: 296px minmax(0, 1fr); height: 100dvh; }
.lateral { background: var(--lateral); border-right: 1px solid var(--borda); display: flex; flex-direction: column; gap: 12px; padding: 14px 12px 10px; min-height: 0; padding-top: max(14px, env(safe-area-inset-top)); }
.lateral-topo { display: flex; align-items: center; justify-content: space-between; padding: 2px 4px 4px; }
.nav { display: grid; grid-template-columns: repeat(auto-fit, minmax(0, 1fr)); gap: 4px; background: color-mix(in srgb, var(--texto) 6%, transparent); padding: 4px; border-radius: 12px; }
.nav a { display: flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 4px; border-radius: 9px; text-decoration: none; color: var(--suave); font-size: 13.5px; font-weight: 600; min-height: 38px; }
.nav a.ativa { background: var(--painel); color: var(--texto); box-shadow: 0 1px 2px rgba(0, 0, 0, .08); }
.lateral-chat { display: flex; flex-direction: column; gap: 8px; min-height: 0; flex: 1; }
.busca { min-height: 38px; font-size: 14px; }
.lista-conversas { overflow-y: auto; flex: 1; min-height: 0; margin: 0 -4px; padding: 0 4px 8px; }
.grupo-titulo { font-size: 12px; font-weight: 700; color: var(--suave); text-transform: uppercase; letter-spacing: .04em; padding: 12px 8px 4px; }
.conversa-item { display: flex; align-items: center; border-radius: 10px; }
.conversa-item:hover, .conversa-item.ativa { background: color-mix(in srgb, var(--texto) 8%, transparent); }
.conversa-item.ativa { background: var(--painel); box-shadow: 0 1px 2px rgba(0, 0, 0, .08); }
.conversa-link { flex: 1; min-width: 0; padding: 9px 10px; text-decoration: none; color: var(--texto); font-size: 14.5px; }
.conversa-titulo { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conversa-item .icone-botao { opacity: 0; }
.conversa-item:hover .icone-botao, .conversa-item:focus-within .icone-botao, .conversa-item.ativa .icone-botao { opacity: 1; }
.vazio-lista { color: var(--suave); font-size: 14px; padding: 14px 8px; }
.lateral-rodape { position: relative; border-top: 1px solid var(--borda); padding-top: 10px; padding-bottom: max(0px, env(safe-area-inset-bottom)); }
.usuario-chip { display: flex; align-items: center; gap: 10px; width: 100%; padding: 8px; border: 0; border-radius: 12px; background: transparent; text-align: left; }
.usuario-chip:hover { background: color-mix(in srgb, var(--texto) 8%, transparent); }
.usuario-chip-nome { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; font-size: 14.5px; }
.avatar-usuario { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--acento); color: var(--acento-texto); font-weight: 800; flex-shrink: 0; }
.menu-usuario { position: absolute; bottom: calc(100% - 4px); left: 0; right: 0; background: var(--painel); border: 1px solid var(--borda); border-radius: 12px; box-shadow: var(--sombra); padding: 6px; display: grid; z-index: 5; }
.menu-usuario button { display: flex; align-items: center; gap: 10px; border: 0; background: transparent; padding: 10px; border-radius: 8px; text-align: left; min-height: 42px; }
.menu-usuario button:hover { background: color-mix(in srgb, var(--texto) 8%, transparent); }
.sombra { display: none; }
.principal { display: flex; flex-direction: column; min-width: 0; height: 100dvh; background: var(--bg); }
.so-celular { display: none; }

/* ───── barra superior ───── */
.chat, .pagina { display: flex; flex-direction: column; height: 100%; min-height: 0; }
.barra { display: flex; align-items: center; gap: 10px; padding: 10px 16px; padding-top: max(10px, env(safe-area-inset-top)); border-bottom: 1px solid var(--borda); background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); min-height: 58px; }
.barra-titulo { flex: 1; min-width: 0; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; cursor: text; padding: 4px 6px; border-radius: 8px; }
.barra-titulo:not(.estatico):hover { background: color-mix(in srgb, var(--texto) 7%, transparent); }
.barra-titulo.estatico { cursor: default; }
.barra-ctl { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

/* ───── conversa ───── */
.mensagens { flex: 1; overflow-y: auto; overscroll-behavior: contain; scroll-behavior: auto; }
.coluna { width: min(820px, 100%); margin: 0 auto; padding: 20px 16px 28px; display: flex; flex-direction: column; gap: 22px; min-height: 100%; }
.boas-vindas { margin: auto; text-align: center; display: grid; gap: 8px; justify-items: center; padding: 20px 0; }
.logo-grande { width: 64px; height: 64px; border-radius: 20px; display: grid; place-items: center; background: #0e0f11; color: var(--acento); margin-bottom: 8px; }
.boas-vindas h1 { font-size: clamp(26px, 5vw, 34px); letter-spacing: -.02em; }
.sugestoes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 18px; width: min(680px, 100%); }
.sugestao { text-align: left; display: grid; gap: 4px; padding: 14px; border-radius: var(--raio); border: 1px solid var(--borda); background: var(--painel); }
.sugestao:hover { border-color: var(--acento-linha); }
.sugestao strong { font-size: 14.5px; }
.sugestao span { color: var(--suave); font-size: 13.5px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.msg.user { display: flex; justify-content: flex-end; }
.balao { max-width: min(85%, 640px); background: var(--balao); padding: 10px 16px; border-radius: 18px 18px 6px 18px; white-space: pre-wrap; overflow-wrap: anywhere; }
.msg.ia { display: flex; gap: 12px; align-items: flex-start; }
.avatar { width: 30px; height: 30px; border-radius: 9px; flex-shrink: 0; display: grid; place-items: center; background: #0e0f11; color: var(--acento); margin-top: 2px; }
.msg-corpo { flex: 1; min-width: 0; }
.md > :first-child { margin-top: 0; }
.md p, .md ul, .md ol, .md blockquote, .md .codigo, .md .tabela, .md h3, .md h4, .md h5, .md h6 { margin: 0 0 12px; }
.md > :last-child { margin-bottom: 0; }
.md ul, .md ol { padding-left: 24px; }
.md li { margin: 3px 0; }
.md h3 { font-size: 1.2em; margin-top: 18px; } .md h4 { font-size: 1.1em; margin-top: 16px; } .md h5, .md h6 { font-size: 1em; margin-top: 14px; }
.md blockquote { border-left: 3px solid var(--acento-linha); padding: 2px 0 2px 14px; color: var(--suave); }
.md hr { border: 0; border-top: 1px solid var(--borda); margin: 16px 0; }
.md code { font-family: var(--mono); font-size: .9em; background: color-mix(in srgb, var(--texto) 9%, transparent); padding: 1px 6px; border-radius: 6px; }
.md .mat { font-family: var(--mono); font-size: .93em; white-space: pre-wrap; }
.codigo { border-radius: 12px; overflow: hidden; background: var(--codigo); border: 1px solid #000; }
.codigo-topo { display: flex; justify-content: space-between; align-items: center; background: var(--codigo-topo); color: #9aa0a6; font-size: 12.5px; padding: 6px 8px 6px 14px; }
.codigo-topo button { background: transparent; border: 1px solid #3a3f45; color: #cfd3d8; border-radius: 7px; padding: 3px 10px; font-size: 12.5px; }
.codigo-topo button:hover { border-color: var(--acento); color: var(--acento); }
.codigo pre { margin: 0; padding: 14px; overflow-x: auto; }
.codigo code { background: none; padding: 0; color: var(--codigo-texto); font-size: 13.5px; line-height: 1.5; white-space: pre; }
.tabela { overflow-x: auto; }
.md table { border-collapse: collapse; font-size: .95em; min-width: 100%; }
.md th, .md td { border: 1px solid var(--borda); padding: 6px 10px; text-align: left; }
.md th { background: color-mix(in srgb, var(--texto) 6%, transparent); }
.raciocinio { margin-bottom: 10px; border: 1px solid var(--borda); border-radius: 10px; background: color-mix(in srgb, var(--texto) 4%, transparent); }
.raciocinio summary { padding: 7px 12px; font-size: 13px; color: var(--suave); cursor: pointer; user-select: none; }
.raciocinio-texto { padding: 4px 12px 10px; font-size: 13px; color: var(--suave); white-space: pre-wrap; max-height: 220px; overflow-y: auto; }
.estado-fila, .nota-msg { font-size: 13.5px; color: var(--suave); }
.erro-msg { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 8px; padding: 10px 12px; border-radius: 10px; background: var(--perigo-fundo); color: var(--perigo); font-size: 14px; }
.msg-acoes { display: flex; align-items: center; gap: 2px; margin-top: 6px; margin-left: -6px; }
.msg-modelo { font-size: 12px; color: var(--suave); margin-left: 8px; }
.digitando { display: inline-flex; gap: 5px; padding: 8px 0; }
.digitando span { width: 8px; height: 8px; border-radius: 50%; background: var(--suave); animation: pulsa 1.2s infinite ease-in-out; }
.digitando span:nth-child(2) { animation-delay: .15s; } .digitando span:nth-child(3) { animation-delay: .3s; }
@keyframes pulsa { 0%, 80%, 100% { opacity: .25; transform: scale(.85); } 40% { opacity: 1; transform: scale(1); } }

/* ───── compositor ───── */
.compositor { padding: 0 16px max(12px, env(safe-area-inset-bottom)); }
.compositor-caixa { width: min(820px, 100%); margin: 0 auto; background: var(--painel); border: 1px solid var(--borda); border-radius: 20px; box-shadow: var(--sombra); padding: 10px 10px 8px 14px; }
.compositor-caixa:focus-within { border-color: var(--acento-linha); }
.compositor textarea { display: block; width: 100%; border: 0; outline: 0; resize: none; background: transparent; padding: 6px 4px; max-height: 220px; line-height: 1.5; }
.compositor-barra { display: flex; align-items: center; gap: 8px; margin-top: 4px; }
.botao-enviar { width: 40px; height: 40px; border-radius: 50%; border: 0; display: grid; place-items: center; background: var(--acento); color: var(--acento-texto); }
.botao-enviar:hover { background: var(--acento-forte); }
.botao-enviar.parando { background: var(--texto); color: var(--bg); }
.rodape-aviso { text-align: center; font-size: 12px; color: var(--suave); padding: 8px 0 0; }
.faixa-offline { width: min(820px, 100%); margin: 0 auto 8px; display: flex; align-items: center; gap: 8px; padding: 9px 12px; border-radius: 12px; background: var(--perigo-fundo); color: var(--perigo); font-size: 13.5px; }

/* ───── páginas (imagens, usuários) ───── */
.pagina-corpo { flex: 1; overflow-y: auto; }
.pagina-coluna { width: min(900px, 100%); margin: 0 auto; padding: 20px 16px 40px; display: grid; gap: 16px; align-content: start; }
.cartao { background: var(--painel); border: 1px solid var(--borda); border-radius: var(--raio); padding: 18px; }
.cartao-aviso { display: flex; gap: 12px; padding: 14px 16px; border-radius: var(--raio); background: var(--perigo-fundo); color: var(--texto); border: 1px solid color-mix(in srgb, var(--perigo) 40%, transparent); }
.cartao-aviso .icone { color: var(--perigo); margin-top: 2px; }
.cartao-aviso details { margin-top: 8px; font-size: 14px; }
.passos { margin: 8px 0 0; padding-left: 20px; display: grid; gap: 4px; }
.formatos { display: flex; flex-wrap: wrap; gap: 8px; }
.avancado { margin-top: 12px; } .avancado summary { cursor: pointer; font-weight: 600; font-size: 14px; color: var(--suave); }
.faixa { width: 100%; accent-color: var(--acento-linha); }
.linha-acao { margin-top: 18px; display: flex; }
.estado-imagem { margin-top: 14px; display: grid; gap: 8px; font-size: 14px; color: var(--suave); }
.barra-progresso { height: 8px; border-radius: 99px; background: color-mix(in srgb, var(--texto) 10%, transparent); overflow: hidden; }
.barra-progresso > div { height: 100%; background: var(--acento-linha); transition: width .4s; }
.secao-titulo { font-size: 17px; margin-top: 8px; }
.galeria { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.miniatura { padding: 0; border: 1px solid var(--borda); border-radius: 12px; overflow: hidden; background: var(--painel); aspect-ratio: 1; }
.miniatura img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .2s; }
.miniatura:hover img { transform: scale(1.04); }
.lightbox { display: grid; gap: 10px; justify-items: center; }
.lightbox img { max-width: 100%; max-height: 62vh; border-radius: 12px; }
.lightbox-prompt { align-self: start; font-size: 14.5px; }

.usuarios { display: grid; gap: 10px; }
.usuario { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 14px 20px; align-items: center; background: var(--painel); border: 1px solid var(--borda); border-radius: var(--raio); padding: 14px 16px; }
.usuario.inativo { opacity: .65; }
.usuario-nome { font-weight: 700; display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.etiqueta { font-size: 11.5px; font-weight: 700; padding: 2px 8px; border-radius: 99px; background: var(--acento); color: var(--acento-texto); text-transform: uppercase; letter-spacing: .03em; }
.etiqueta.suave { background: color-mix(in srgb, var(--texto) 10%, transparent); color: var(--suave); }
.etiqueta.perigo { background: var(--perigo-fundo); color: var(--perigo); }
.usuario-controles { display: flex; gap: 16px; }
.controle { display: grid; gap: 4px; justify-items: center; font-size: 12px; color: var(--suave); }
.usuario-acoes { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.interruptor { width: 46px; height: 28px; border-radius: 99px; border: 0; background: color-mix(in srgb, var(--texto) 22%, transparent); padding: 3px; display: flex; transition: background .15s; }
.interruptor span { width: 22px; height: 22px; border-radius: 50%; background: #fff; transition: transform .15s; box-shadow: 0 1px 3px rgba(0, 0, 0, .3); }
.interruptor.on { background: var(--acento-linha); }
.interruptor.on span { transform: translateX(18px); }
.interruptor:disabled { opacity: .6; }
.credenciais { background: var(--codigo); color: var(--codigo-texto); padding: 14px; border-radius: 10px; font-family: var(--mono); font-size: 14px; white-space: pre-wrap; word-break: break-all; margin: 0 0 12px; user-select: all; }

/* ───── janelas e avisos ───── */
.modal-fundo { position: fixed; inset: 0; background: rgba(8, 9, 10, .55); display: grid; place-items: center; padding: 16px; z-index: 50; animation: surge .15s; backdrop-filter: blur(2px); }
.modal { width: min(460px, 100%); max-height: calc(100dvh - 32px); overflow: auto; background: var(--painel); border: 1px solid var(--borda); border-radius: 18px; box-shadow: var(--sombra); display: flex; flex-direction: column; }
.modal.largo { width: min(640px, 100%); }
.modal-topo { display: flex; align-items: center; justify-content: space-between; padding: 16px 12px 4px 20px; }
.modal-topo h2 { font-size: 18px; }
.modal-corpo { padding: 8px 20px 16px; }
.modal-botoes { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 20px 18px; flex-wrap: wrap; }
.avisos { position: fixed; z-index: 60; left: 50%; transform: translateX(-50%); bottom: max(20px, env(safe-area-inset-bottom)); display: grid; gap: 8px; width: min(440px, calc(100% - 24px)); pointer-events: none; }
.aviso { background: var(--texto); color: var(--bg); padding: 11px 16px; border-radius: 12px; font-size: 14.5px; box-shadow: var(--sombra); animation: surge .2s; pointer-events: auto; }
.aviso.erro { background: var(--perigo); color: #fff; }
.aviso.ok { background: var(--ok); color: #fff; }
.aviso.saindo { opacity: 0; transition: opacity .25s; }
@keyframes surge { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ───── celular ───── */
@media (max-width: 820px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .so-celular { display: inline-grid; }
  .lateral { position: fixed; inset: 0 auto 0 0; width: min(88vw, 330px); z-index: 40; transform: translateX(-102%); transition: transform .22s ease; box-shadow: var(--sombra); }
  .lateral.aberta { transform: none; }
  .sombra.visivel { display: block; position: fixed; inset: 0; background: rgba(8, 9, 10, .5); z-index: 35; }
  .barra { padding-left: 8px; padding-right: 10px; gap: 6px; flex-wrap: wrap; }
  .barra-titulo { order: 1; flex-basis: 40%; }
  .barra-ctl { order: 2; width: 100%; flex-wrap: wrap; }
  .barra-ctl .seletor { flex: 1; max-width: none; min-width: 0; }
  .pilula { display: none; }
  .sugestoes { grid-template-columns: minmax(0, 1fr); }
  .usuario { grid-template-columns: minmax(0, 1fr); }
  .usuario-acoes { justify-content: flex-start; }
  .conversa-item .icone-botao { opacity: 1; }
  .balao { max-width: 92%; }
  .coluna { padding-top: 14px; gap: 18px; }
}
@media (hover: none) { .conversa-item .icone-botao { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { * { animation-duration: .01ms !important; transition-duration: .01ms !important; } }

.galeria .vazio-lista { grid-column: 1 / -1; padding-left: 0; }

/* app instalado: respeita o recorte da tela (notch) */
.entrada { padding-top: max(20px, env(safe-area-inset-top)); padding-bottom: max(20px, env(safe-area-inset-bottom)); }