:root{--ink:#1c2630;--muted:#75808a;--line:#e5e9ed;--accent:#ec6b4f;--accent-dark:#c94d36;--canvas:#f4f1ec;--stage:#17222c}*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font-family:'Trebuchet MS','Segoe UI',sans-serif}.app-shell{min-height:100vh}.topbar{height:54px;background:#fff;border-bottom:1px solid var(--line);display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;padding:0 22px;gap:20px}.brand{color:var(--ink);font-size:21px;font-weight:800;letter-spacing:-1px;text-decoration:none;display:flex;align-items:center;gap:9px}.marca-logo{height:26px;width:auto;display:block;object-fit:contain}.marca-simbolo{width:28px;height:28px;background:var(--accent);color:#fff;border-radius:9px;display:grid;place-items:center;font:800 15px/1 "Trebuchet MS",sans-serif}.marca-nome{font-weight:600;letter-spacing:-.3px;white-space:nowrap}.marca-nome b{font-weight:800}.brand-mark{width:28px;height:28px;background:var(--accent);color:#fff;border-radius:9px;display:grid;place-items:center;font-size:24px;line-height:1}.room-context{font-size:13px;color:var(--muted);display:flex;gap:9px;align-items:center}.live-dot,.presence{width:8px;height:8px;border-radius:50%;background:#51b878;display:inline-block}.top-actions{margin-left:auto;display:flex;gap:10px;align-items:center}.icon-button,.avatar,.more-button{border:0;background:#f4f5f5;border-radius:10px;width:38px;height:38px;cursor:pointer;color:var(--ink)}.avatar{background:#f2c9ad;color:#8e422e;font-weight:800}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 300px;height:calc(100vh - 54px);overflow:hidden}.stage{background:var(--stage);border-radius:18px;min-height:0;margin:12px;padding:14px;position:relative;display:flex;flex-direction:column;overflow:hidden}.eyebrow{text-transform:uppercase;letter-spacing:1.6px;font-size:10px;font-weight:800;color:#a3adb5;margin:0 0 7px}.secure-pill{font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:20px;padding:6px 11px;white-space:nowrap}.video-grid{flex:1;min-height:0;overflow-y:auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;align-content:center}.empty-state{max-width:370px;text-align:center;margin:auto;color:#fff}.empty-icon{width:58px;height:58px;margin:0 auto 18px;background:#2a3944;border-radius:18px;display:grid;place-items:center;font-size:26px}.empty-state h2{font:700 27px Georgia,serif;margin:0 0 9px}.empty-state p{color:#aab6bd;font-size:14px;line-height:1.5;margin:0 0 22px}.primary-button,.copy-button{border:0;background:var(--accent);color:#fff;font-weight:800;border-radius:9px;padding:12px 16px;cursor:pointer}.primary-button span{margin-left:14px;font-size:18px}.control-dock{display:flex;align-items:center;justify-content:center;gap:6px}.control-button{border:0;background:#f4f5f5;color:var(--ink);border-radius:9px;height:36px;padding:0 12px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:7px;font-family:inherit}.control-button span{font-size:15px;line-height:1}.control-button small{font-size:12px;font-weight:700;color:inherit;white-space:nowrap}.control-button.off{background:#fde8e4;color:#b23a2a}.control-button.sharing{background:var(--accent);color:#fff}.control-button.sharing small{color:#ffe3da}.dock-menu{position:relative;display:flex}.fundo-painel{position:absolute;bottom:calc(100% + 10px);left:50%;transform:translateX(-50%);width:236px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 16px 44px #0000002e;padding:12px;z-index:45;text-align:left}.fundo-painel[hidden]{display:none}.fundo-titulo{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:1.1px;color:var(--muted);margin:0 0 9px}.fundo-opcao{display:block;width:100%;text-align:left;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:8px;padding:9px 10px;margin-bottom:6px;font:inherit;font-size:12px;font-weight:700;cursor:pointer}.fundo-opcao:hover{border-color:var(--accent);color:var(--accent-dark)}.fundo-opcao.is-ativa{background:#fff5ef;border-color:#f2c2b6;color:var(--accent-dark)}.fundo-nota{font-size:11px;line-height:1.45;color:var(--muted);margin:8px 0 0}.fundo-salva{display:flex;gap:8px;align-items:center;margin:2px 0 6px;padding:6px;border:1px solid var(--line);border-radius:8px}.fundo-salva[hidden]{display:none}.fundo-salva img{width:56px;height:34px;object-fit:cover;border-radius:5px;flex:none}.fundo-salva-acoes{display:flex;flex-direction:column;gap:4px;flex:1}.fundo-salva-acoes button{border:0;background:transparent;color:var(--accent-dark);font:inherit;font-size:11px;font-weight:700;text-align:left;padding:0;cursor:pointer}.fundo-salva-acoes button:hover{text-decoration:underline}@media(max-width:850px){.fundo-painel{width:min(236px,calc(100vw - 28px))}}.side-panel{background:#fff;border-left:1px solid var(--line);padding:18px 20px;align-self:stretch;min-height:0;overflow-y:auto;display:flex;flex-direction:column}.panel-heading{display:flex;align-items:flex-start;justify-content:space-between}.panel-heading h2{font:700 23px Georgia,serif;margin:0 0 16px}.self-card{border:1px solid var(--line);border-radius:12px;padding:8px}.self-preview{height:132px;background:#d8d9d5;border-radius:8px;overflow:hidden;position:relative}.self-preview video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}.camera-off{display:none;position:absolute;inset:0;place-items:center;color:#fff;background:#27333c;font-size:12px}.self-preview.is-off .camera-off{display:grid}.self-preview.is-off video{display:none}.you-tag{position:absolute;bottom:8px;left:8px;background:rgba(20,28,34,.75);color:#fff;border-radius:5px;padding:4px 7px;font-size:10px}.self-info{display:flex;align-items:center;gap:7px;padding:11px 4px 4px;font-size:12px}.self-name{flex:1;min-width:0;border:1px solid transparent;border-radius:7px;padding:5px 7px;font:inherit;font-size:12px;font-weight:800;color:var(--ink);background:transparent}.self-name:hover{border-color:var(--line)}.self-name:focus{outline:0;border-color:var(--accent);background:#fff}.muted{color:var(--muted);margin-left:auto}.copy-button{font-size:12px;padding:9px 12px;background:#fff;color:var(--accent-dark);border:1px solid #f2c2b6}.menu-sala{position:relative}.menu-painel{position:absolute;right:0;top:calc(100% + 10px);width:320px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 16px 44px #0000001f;padding:16px;z-index:40;text-align:left}.menu-painel[hidden]{display:none}.menu-titulo{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:1.1px;color:var(--muted);margin:0 0 8px}.menu-titulo+.menu-titulo,.menu-nota+.menu-titulo{margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}.menu-linha{display:flex;gap:7px}.menu-linha input{flex:1;min-width:0;border:1px solid var(--line);border-radius:8px;padding:9px;font:inherit;font-size:12px;color:var(--muted)}.menu-linha input:focus{outline:2px solid var(--accent);outline-offset:-1px;color:var(--ink)}.menu-resultado{font-size:11px;line-height:1.5;color:var(--accent-dark);background:#fff5ef;border-radius:8px;padding:9px 10px;margin:10px 0 0;word-break:break-all}.menu-linha button{white-space:nowrap}.menu-nota{font-size:11px;line-height:1.5;color:var(--muted);margin:8px 0 0}.menu-motivo{display:block;margin-top:6px;color:var(--accent-dark);font-weight:700}.menu-painel .copy-button{width:100%;margin-top:2px}.menu-linha .copy-button{width:auto;margin-top:0;white-space:nowrap}.menu-painel .senha-caixa{margin-top:10px;padding-top:0;border-top:0}#senha-temp{margin-top:10px}.icon-button[aria-expanded="true"]{background:#fff2ed;color:var(--accent-dark)}@media(max-width:850px){.menu-painel{width:min(320px,calc(100vw - 32px))}}.senha-caixa{margin-top:12px;padding-top:12px;border-top:1px solid #f2ddd2;display:flex;flex-direction:column;gap:7px}.senha-rotulo{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:1.1px;color:var(--muted)}.senha-validade{font-size:11px;color:var(--muted);display:block;margin:6px 0 8px;text-align:center}.senha-caixa code{background:#17222c;color:#fff;font-weight:700;letter-spacing:2px;padding:9px 11px;border-radius:7px;font-size:14px;text-align:center}.tips{border-top:1px solid var(--line);margin-top:16px;padding-top:14px;display:flex;gap:10px;color:var(--muted);font-size:12px;line-height:1.5}.tips span{color:#51b878;font-weight:bold}.tips p{margin:0}.lobby{position:fixed;inset:0;background:var(--canvas);display:grid;place-items:center;padding:20px;z-index:50}.lobby.is-hidden{display:none}.lobby-card{background:#fff;border-radius:18px;overflow:hidden;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);max-width:840px;width:100%;box-shadow:0 20px 60px #0000001a}.lobby-preview{position:relative;background:#17222c;min-height:320px}.lobby-preview video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1);display:block}.lobby-camera-off{display:none;position:absolute;inset:0;place-items:center;color:#8b98a2;font-size:13px}.lobby.sem-camera .lobby-camera-off{display:grid}.lobby.sem-camera .lobby-preview video{display:none}.lobby-form-area{padding:34px 32px;display:flex;flex-direction:column;justify-content:center}.lobby-form-area h1{font:700 clamp(24px,3vw,32px)/1.15 Georgia,serif;margin:0 0 10px}.lobby-hint{color:var(--muted);font-size:13px;line-height:1.55;margin:0 0 22px}.lobby-form{display:flex;flex-direction:column;gap:9px}.lobby-form label{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:1.2px;color:var(--muted)}.lobby-form input{border:1px solid var(--line);border-radius:10px;padding:13px;font:inherit;font-size:14px}.lobby-form input:focus{outline:2px solid var(--accent);outline-offset:-1px}.lobby-form button{margin-top:7px;padding:14px;font-size:14px;display:flex;justify-content:center;gap:8px}.lobby-form button:disabled{opacity:.55;cursor:progress}.lobby-status{font-size:12px;color:var(--muted);margin:16px 0 0;line-height:1.5}.lobby-status.is-warning{color:var(--accent-dark)}@media(max-width:720px){.lobby-card{grid-template-columns:1fr}.lobby-preview{min-height:190px}.lobby-form-area{padding:24px 20px}}.toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,20px);opacity:0;background:#fff;color:var(--ink);padding:12px 18px;border-radius:9px;box-shadow:0 8px 30px #0002;font-size:13px;transition:.2s;pointer-events:none}.toast.show{opacity:1;transform:translate(-50%,0)}.remote-tile{background:#263640;border-radius:12px;overflow:hidden;position:relative;min-height:0}.remote-tile video{width:100%;height:100%;object-fit:cover;display:block}.remote-tile audio{display:none}.video-grid.has-spotlight{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));align-content:start}.remote-tile.is-spotlight{grid-column:1/-1;min-height:min(64vh,540px);order:-1;box-shadow:0 0 0 2px var(--accent)}.remote-tile.is-spotlight video{object-fit:contain;background:#0d151b}.remote-tile.is-spotlight .remote-name::after{content:" - compartilhando";opacity:.8}.video-grid.has-spotlight .remote-tile:not(.is-spotlight){min-height:120px}.stage.presenting .video-grid{align-content:stretch;gap:10px}.stage.presenting .remote-tile.is-spotlight{min-height:0;height:100%;max-height:none}.video-grid.has-spotlight{grid-auto-rows:minmax(0,auto)}.chat{border-top:1px solid var(--line);margin-top:18px;padding-top:14px;display:flex;flex-direction:column;flex:1;min-height:0}.chat-log{flex:1;min-height:90px;overflow-y:auto;display:flex;flex-direction:column;gap:9px;padding:4px 2px 10px}.chat-entry{max-width:88%;background:#f4f5f5;border-radius:10px;padding:8px 10px}.chat-entry.is-mine{align-self:flex-end;background:#fff5ef}.chat-author{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.8px;color:var(--muted)}.chat-entry p{margin:3px 0 0;font-size:13px;line-height:1.45;word-break:break-word}.chat-form{display:flex;gap:7px}.chat-form input{flex:1;min-width:0;border:1px solid var(--line);border-radius:9px;padding:10px;font:inherit;font-size:13px}.chat-form input:focus{outline:2px solid var(--accent);outline-offset:-1px}.chat-form button{border:0;background:var(--accent);color:#fff;border-radius:9px;width:42px;cursor:pointer;font-size:15px}.remote-tile:fullscreen{border-radius:0;min-height:100vh}.remote-tile:fullscreen video{object-fit:contain;background:#0d151b}.remote-tile:-webkit-full-screen{border-radius:0;min-height:100vh}.remote-name{position:absolute;bottom:10px;left:10px;background:#101820cc;color:#fff;padding:5px 8px;border-radius:5px;font-size:11px}.tile-status{position:absolute;inset:0;display:grid;place-items:center;color:#9fb0bc;font-size:12px;pointer-events:none;text-align:center;padding:12px;line-height:1.5;word-break:break-word}.remote-tile.is-waiting{background:#22303a}.remote-tile.is-waiting video{opacity:0}@media(max-width:850px){.secure-pill{display:none}.topbar{display:flex;padding:0 14px;height:50px;gap:14px}.workspace{grid-template-columns:1fr;padding:14px;height:auto;overflow:visible}.stage{min-height:calc(100vh - 150px);height:auto;margin:0;padding:14px}.side-panel{display:none}.room-context{overflow:hidden;white-space:nowrap}.video-grid{grid-template-columns:1fr}}
/* Marca no cartao de entrada: o participante costuma chegar por um link que
   alguem mandou, e esta e a primeira - as vezes a unica - tela em que ele ve de
   quem e o servico. Fica acima do nome da sala, sem competir com ele. */
.lobby-marca{display:flex;align-items:center;margin:0 0 18px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.lobby-marca .marca-logo{height:26px}
.lobby-marca .marca-nome{font-size:14px}
@media(max-width:720px){.lobby-marca{margin-bottom:14px;padding-bottom:12px}}
/* Sair no topo, ao lado do selo - e a unica saida da sala: o controle inferior
   fica so com microfone, camera, tela e tela cheia. */
.botao-sair-topo{border:1px solid #f2c2b6;background:#fff;color:var(--accent-dark);border-radius:20px;padding:6px 13px;font:inherit;font-size:12px;font-weight:800;cursor:pointer;white-space:nowrap}
.botao-sair-topo:hover{background:#fff5ef;border-color:var(--accent)}
/* Em tela estreita o selo some, mas a saida NAO: e o controle que a pessoa mais
   precisa achar rapido, e no celular o dock inferior fica atras do teclado. */
@media(max-width:850px){.botao-sair-topo{padding:7px 11px;font-size:11px}}
/* A folga antes do formulario vinha da margem da frase de instrucao, que saiu:
   sem isto o campo "Seu nome" encosta no rotulo da sala. */
.lobby-form{margin-top:18px}
/* Controles de moderacao sobre o quadro de cada participante.
   Escondidos por padrao e revelados apenas quando o corpo tem "sou-admin" - mas
   esconder no navegador NAO e a garantia: o servidor confere o token assinado a
   cada acao, e quem forjar a classe recebe 403. */
.tile-moderar{position:absolute;top:8px;right:8px;display:none;gap:6px;z-index:2}
body.sou-admin .remote-tile:hover .tile-moderar,
body.sou-admin .remote-tile:focus-within .tile-moderar{display:flex}
.tile-acao{border:0;border-radius:7px;padding:6px 10px;font:inherit;font-size:11px;font-weight:800;cursor:pointer;background:#ffffffe6;color:var(--ink)}
.tile-acao:hover{background:#fff}
.tile-acao.perigo{background:#c0392be6;color:#fff}
.tile-acao.perigo:hover{background:#c0392b}
/* Em telefone nao ha hover: os controles ficam sempre visiveis para o anfitriao. */
@media(hover:none){body.sou-admin .tile-moderar{display:flex}}

/* Sala com prazo: relogio no topo e tela de encerramento. */
.room-timer{font-variant-numeric:tabular-nums;font-weight:800;color:var(--muted)}.room-timer:empty{display:none}.room-timer.is-warning{color:var(--accent-dark)}.fim-sala{position:fixed;inset:0;z-index:60;background:var(--canvas);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:28px}.fim-sala h1{font:700 clamp(24px,3vw,32px)/1.15 Georgia,serif;margin:0 0 12px}.fim-sala p{margin:0;font-size:14px;line-height:1.6;color:var(--ink);max-width:420px}.fim-sala .fim-nota{margin-top:10px;color:var(--muted);font-size:13px}

/* Barra superior compacta: icones do topo menores, para a altura caber em 54px. */
.topbar .icon-button,.topbar .avatar{width:32px;height:32px;border-radius:9px}

/* Fundo da camera sob a propria imagem, no painel lateral: e ali que a pessoa ve
   o efeito, entao e ali que escolhe. Em tela estreita o painel some e o app.js
   devolve o controle ao dock - por isso estas regras valem so dentro do cartao. */
.self-card .fundo-controle{display:block;margin-top:6px}
.self-card #toggle-fundo{width:100%;min-width:0;height:34px;flex-direction:row;justify-content:flex-start;gap:8px;padding:0 10px;background:#f4f5f5;color:var(--ink)}
.self-card #toggle-fundo span{font-size:14px}
.self-card #toggle-fundo small{font-size:12px;font-weight:700;color:inherit}
.self-card #toggle-fundo::after{content:"\25BE";margin-left:auto;font-size:11px;color:var(--muted)}
.self-card #toggle-fundo.active,.self-card #toggle-fundo[aria-expanded="true"]{background:#fff5ef;color:var(--accent-dark)}
.self-card .fundo-painel{top:calc(100% + 8px);bottom:auto;left:0;right:0;transform:none;width:auto}

/* Controles na barra superior: o palco perdeu o dock e ganhou a altura dele. A
   barra vira tres colunas para os controles ficarem no meio da PAGINA, e nao no
   meio do espaco que sobra entre a marca e as acoes. */
.topo-esquerda{display:flex;align-items:center;gap:28px;min-width:0}
.room-context{min-width:0;white-space:nowrap;overflow:hidden}
.topbar .top-actions{justify-self:end}
.control-button[hidden]{display:none}
.control-button:hover{background:#eaedef}
.control-button.off:hover{background:#fbd9d3}
.control-button.sharing:hover{background:var(--accent-dark)}
#toggle-caneta::after,#toggle-texto::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--cor-caneta,var(--accent));flex:none}
#toggle-caneta.sharing::after,#toggle-texto.sharing::after{box-shadow:0 0 0 2px #fff}
/* Entre o celular e a tela larga os rotulos nao cabem ao lado das acoes do
   topo: ficam so os icones, com o nome no title. */
@media(min-width:851px) and (max-width:1240px){.topbar .control-button small{display:none}.topbar .control-button{padding:0 10px}}
/* Com as ferramentas de anotacao a vista (alguem apresentando) sao oito botoes:
   ate 1440px o selo "criptografada" sai para os rotulos caberem. */
@media(min-width:851px) and (max-width:1440px){.topbar:has(#toggle-caneta:not([hidden])) .secure-pill{display:none}}
/* No celular a barra superior nao comporta os controles: eles descem para um
   rodape fixo, onde o polegar alcanca. */
@media(max-width:850px){.topbar .control-dock{position:fixed;left:0;right:0;bottom:0;z-index:30;background:#fff;border-top:1px solid var(--line);padding:7px 8px calc(7px + env(safe-area-inset-bottom));gap:4px;justify-content:safe center;overflow-x:auto}.topbar .control-button{flex-direction:column;height:50px;flex:0 0 auto;min-width:52px;padding:0 6px;gap:3px}.topbar .control-button small{font-size:9px}.workspace{padding-bottom:84px}.toast{bottom:84px}}

/* Tela cheia da pagina inteira: barra superior recolhida (desce quando o mouse
   encosta no topo), painel lateral fora e palco de ponta a ponta. */
.gatilho-barra{display:none}
body.em-tela-cheia .gatilho-barra{display:block;position:fixed;top:0;left:0;right:0;height:10px;z-index:41}
body.em-tela-cheia .topbar{position:fixed;left:0;right:0;top:-56px;z-index:42;transition:top .18s ease}
body.em-tela-cheia.barra-aberta .topbar{top:0;box-shadow:0 10px 30px #0000002e}
body.em-tela-cheia .workspace{grid-template-columns:minmax(0,1fr);height:100vh}
body.em-tela-cheia .side-panel{display:none}
body.em-tela-cheia .stage{margin:0;border-radius:0;padding:12px}
body.em-tela-cheia .video-grid{align-content:stretch}
body.em-tela-cheia .remote-tile.is-spotlight{min-height:0;height:100%}

/* Caneta: o canvas cobre o quadro de quem apresenta e so captura o mouse com a
   caneta ligada - desligada, o quadro segue respondendo ao duplo clique. */
.caneta-tela{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none}
.remote-tile.caneta-ligada .caneta-tela{pointer-events:auto;cursor:crosshair;touch-action:none}
.remote-tile .remote-name{z-index:3;pointer-events:none}
/* Com a tela compartilhada na previa, o espelho da camera so inverteria o texto. */
.self-preview.mostra-tela video{transform:none}

/* Caixas de texto sobre a tela compartilhada. O tamanho vem do JS, proporcional
   a largura da imagem; o resto e em em, para crescer junto. white-space:pre
   porque o print redesenha linha a linha: quebra automatica sairia diferente. */
.caneta-textos{position:absolute;inset:0;z-index:2;pointer-events:none;overflow:hidden}
.tile-moderar{z-index:3}
.caneta-texto{position:absolute;padding:.3em .5em;border:max(1px,.12em) solid var(--cor);border-radius:.3em;background:#fffffff0;color:#1c2630;font-family:'Trebuchet MS','Segoe UI',sans-serif;font-weight:600;line-height:1.25;white-space:pre;box-shadow:0 2px 10px #00000033;user-select:none}
.caneta-texto[hidden]{display:none}
.caneta-texto.meu{pointer-events:auto;cursor:move;touch-action:none}
.caneta-texto-x{position:absolute;top:-9px;right:-9px;width:18px;height:18px;border:0;border-radius:50%;background:var(--cor);color:#fff;font:700 13px/1 sans-serif;cursor:pointer;display:none;place-items:center;padding:0;box-shadow:0 1px 4px #0004}
.caneta-texto.meu:hover .caneta-texto-x{display:grid}
@media(hover:none){.caneta-texto.meu .caneta-texto-x{display:grid}}
.caneta-editor{position:absolute;margin:0;pointer-events:auto;padding:.3em .5em;border:max(1px,.12em) solid var(--cor);border-radius:.3em;background:#fff;color:#1c2630;font-family:'Trebuchet MS','Segoe UI',sans-serif;font-weight:600;line-height:1.25;white-space:pre;overflow:hidden;resize:none;outline:0;box-shadow:0 0 0 3px #ffffff99,0 6px 18px #00000040}
.remote-tile.modo-texto .caneta-tela{cursor:text}

/* Avatar de camera desligada: no lugar do quadro preto (para os outros), do
   "Camera desligada" (na propria previa) e do "Sem camera" (no lobby). O ?v no
   endereco e o carimbo do arquivo: trocar o avatar exige trocar o numero aqui,
   senao o navegador segue com o antigo em cache. */
.camera-off{background:#27333c url(avatar-camera-desligada.png?v=20261005) center/cover no-repeat;color:transparent;font-size:0}
.lobby-camera-off{background:#17222c url(avatar-camera-desligada.png?v=20261005) center/cover no-repeat;place-items:end start;padding:14px 16px;color:#fff;font-weight:700;text-shadow:0 1px 4px #000c}
/* No quadro dos outros a imagem nitida fica centrada e no maximo com o dobro do
   tamanho original (ampliar mais so borra); em volta, o proprio avatar desfocado
   e escurecido preenche o quadro, seja qual for o formato dele.
   O desfocado e uma imagem PRONTA (-fundo.jpg, 2 KB, gerada do primeiro quadro
   com o mesmo blur(18px) brightness(.5)). Era filter sobre o APNG animado: o
   navegador refazia o desfoque a cada quadro da animacao, em cada quadro da
   grade - com 14 pessoas, 40 a 60% de um nucleo sem aceleracao grafica, o dia
   inteiro. Ferramenta em ferramentas/avatar/derivados/. */
.remote-tile.camera-desligada::before{content:"";position:absolute;inset:0;z-index:1;background:#22303a url(avatar-camera-desligada-fundo.jpg?v=20261010) center/cover no-repeat}
.remote-tile.camera-desligada::after{content:"c\00E2mera desligada";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(100%,578px);max-height:100%;aspect-ratio:289/159;box-sizing:border-box;z-index:2;background:url(avatar-camera-desligada.png?v=20261005) center/contain no-repeat;border-radius:10px;padding:9px 11px;color:#fff;font-size:10px;font-weight:700;letter-spacing:.3px;text-shadow:0 1px 3px #000;overflow:hidden}
.remote-tile.camera-desligada .tile-status{display:none}
/* Avatar feminino: mesmo tamanho e proporcao do masculino (289x159), entao so a
   imagem troca. Na propria previa e no lobby vale o do cadastro de quem entrou
   (data-avatar no body); no quadro dos outros, o que cada um anuncia. */
body[data-avatar="feminino"] .camera-off,body[data-avatar="feminino"] .lobby-camera-off{background-image:url(avatar-camera-desligada-feminino.png?v=20261006)}
.remote-tile.avatar-feminino.camera-desligada::before{background-image:url(avatar-camera-desligada-feminino-fundo.jpg?v=20261010)}
.remote-tile.avatar-feminino.camera-desligada::after{background-image:url(avatar-camera-desligada-feminino.png?v=20261006)}
/* Sala com 5 quadros ou mais (body.sala-cheia, posto pelo app.js): o avatar fica
   parado no primeiro quadro da animacao. Animado, cada quadro da grade com a
   camera desligada e redesenhado 12,5 vezes por segundo enquanto a sala estiver
   aberta - e quem usa a sala como escritorio a deixa aberta o dia todo. Vale
   tambem para a propria previa; o lobby segue animado. Quem pede menos
   movimento ao sistema ve o avatar parado sempre. */
body.sala-cheia .remote-tile.camera-desligada::after,body.sala-cheia .camera-off{background-image:url(avatar-camera-desligada-parado.png?v=20261010)}
body.sala-cheia .remote-tile.avatar-feminino.camera-desligada::after,body.sala-cheia[data-avatar="feminino"] .camera-off{background-image:url(avatar-camera-desligada-feminino-parado.png?v=20261010)}
@media(prefers-reduced-motion:reduce){.remote-tile.camera-desligada::after,.camera-off,.lobby-camera-off{background-image:url(avatar-camera-desligada-parado.png?v=20261010)}.remote-tile.avatar-feminino.camera-desligada::after,body[data-avatar="feminino"] .camera-off,body[data-avatar="feminino"] .lobby-camera-off{background-image:url(avatar-camera-desligada-feminino-parado.png?v=20261010)}}
/* Fechar a camera de quem ja esta com ela desligada nao faz nada: o botao some. */
.remote-tile.camera-desligada .tile-acao.camera{display:none}
/* Mao levantada: selo amarelo acima do nome no quadro de quem levantou, e borda
   no quadro. Fica acima das camadas do avatar de camera desligada (z 1 e 2). Na
   propria previa o selo e um botao: clicar nele baixa a mao. */
.control-button.mao-ativa{background:#ffe7a3;color:#7a4b00}
.tile-mao,.mao-propria{display:none;position:absolute;left:10px;bottom:42px;z-index:3;width:38px;height:38px;border-radius:50%;background:#fff;border:3px solid #ffc93c;box-sizing:border-box;box-shadow:0 2px 10px #0006;font-size:19px;line-height:1;place-items:center;pointer-events:none}
.remote-tile.mao-levantada{box-shadow:0 0 0 3px #ffc93c}
.remote-tile.mao-levantada .tile-mao{display:grid;animation:aceno-mao 1.2s ease-in-out 3}
.mao-propria{left:8px;bottom:34px;width:32px;height:32px;font-size:16px;padding:0;cursor:pointer;pointer-events:auto}
.self-preview.mao-levantada .mao-propria{display:grid}
.self-preview.mao-levantada{box-shadow:0 0 0 3px #ffc93c}
@keyframes aceno-mao{0%,100%{transform:rotate(0)}25%{transform:rotate(-14deg)}75%{transform:rotate(14deg)}}
@media(prefers-reduced-motion:reduce){.remote-tile.mao-levantada .tile-mao{animation:none}}
/* Grade calculada (app.js): colunas e largura de quadro escolhidas para todos
   caberem; quadro 16:9. Quando nem no tamanho minimo cabem, a grade rola a
   partir do topo - centralizar cortaria a primeira linha. */
.video-grid.grade-auto{grid-template-columns:repeat(var(--grade-colunas,1),var(--grade-largura,1fr));justify-content:center;align-content:center}
.video-grid.grade-auto .remote-tile{aspect-ratio:16/9}
.video-grid.grade-auto.grade-rolando,body.em-tela-cheia .video-grid.grade-auto.grade-rolando{align-content:start}
body.em-tela-cheia .video-grid.grade-auto{align-content:center}
@media(max-width:850px){.video-grid.grade-auto{align-content:start}}
@media(max-width:850px){.video-grid.grade-auto .remote-tile{aspect-ratio:4/3}}
/* Lobby: microfone e camera comecam DESLIGADOS (cada camera aberta e um video a
   mais para cada participante enviar). Os botoes sobre a previa ligam antes de
   entrar; vermelho = desligado. */
.lobby-midia{position:absolute;left:0;right:0;bottom:14px;z-index:2;display:flex;justify-content:center;gap:12px}
.lobby-alternar{display:flex;flex-direction:column;align-items:center;gap:3px;min-width:84px;border:0;border-radius:12px;padding:8px 12px;background:#ffffffe6;color:var(--ink);font:inherit;cursor:pointer;box-shadow:0 2px 10px #0004}
.lobby-alternar span{font-size:18px;line-height:1}
.lobby-alternar small{font-size:11px;font-weight:800}
.lobby-alternar.off{background:#c0392b;color:#fff}
.lobby-alternar.off small::after{content:" desligado";font-weight:600}
.lobby-alternar#lobby-camera.off small::after{content:" desligada"}
.lobby-alternar:disabled{opacity:.5;cursor:not-allowed}
.lobby-alternar:focus-visible{outline:3px solid #fff;outline-offset:2px}
.lobby.sem-camera .lobby-camera-off{padding-bottom:84px}
/* Microfone desligado: icone vermelho de microfone cortado antes do nome, no
   quadro dos outros e na propria previa. */
.remote-tile.mic-desligado .remote-name::before,.self-preview.mic-desligado .you-tag::before{content:"";display:inline-block;width:11px;height:11px;margin-right:5px;vertical-align:-1px;background:#ff6b5a;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 14a3 3 0 0 0 3-3V5a3 3 0 0 0-6 0v6a3 3 0 0 0 3 3zm5-3a5 5 0 0 1-10 0H5a7 7 0 0 0 6 6.92V21h2v-3.08A7 7 0 0 0 19 11z'/%3E%3Cpath d='M3 3l18 18' stroke='%23000' stroke-width='2.6'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 14a3 3 0 0 0 3-3V5a3 3 0 0 0-6 0v6a3 3 0 0 0 3 3zm5-3a5 5 0 0 1-10 0H5a7 7 0 0 0 6 6.92V21h2v-3.08A7 7 0 0 0 19 11z'/%3E%3Cpath d='M3 3l18 18' stroke='%23000' stroke-width='2.6'/%3E%3C/svg%3E") center/contain no-repeat}
.self-preview .you-tag{max-width:calc(100% - 16px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}