:root {
  --fundo: #f4f5f7;
  --cartao: #fff;
  --texto: #1d2330;
  --suave: #667085;
  --borda: #d0d5dd;
  --destaque: #2457c5;
  --erro: #b42318;
  --ok: #067647;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--texto);
  background: var(--fundo);
}

body { margin: 0; }
h1 { font-size: 1.4rem; margin: 0; }

.centro { min-height: 100vh; display: grid; place-items: center; }
.cartao {
  background: var(--cartao);
  border: 1px solid var(--borda);
  border-radius: 8px;
  padding: 2rem;
  width: min(22rem, 90vw);
}
.cartao h1 { margin-bottom: 1.5rem; }

form label { display: block; margin-bottom: 1rem; color: var(--suave); font-size: 0.9rem; }
form input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  margin-top: 0.3rem;
  padding: 0.6rem;
  font: inherit;
  color: var(--texto);
  border: 1px solid var(--borda);
  border-radius: 6px;
}
button {
  font: inherit;
  padding: 0.6rem 1.2rem;
  border: 0;
  border-radius: 6px;
  background: var(--destaque);
  color: #fff;
  cursor: pointer;
}
.cartao button { width: 100%; }
.erro { color: var(--erro); margin: 0 0 1rem; }

.topo {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--cartao);
  border-bottom: 1px solid var(--borda);
}
.topo h1 { flex: 1; }
.topo span { color: var(--suave); }
.topo button { background: transparent; color: var(--destaque); border: 1px solid var(--borda); }

main { padding: 1.5rem; }
#aviso { color: var(--suave); }
.clientes { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; max-width: 40rem; }
.clientes a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1rem 1.25rem;
  background: var(--cartao);
  border: 1px solid var(--borda);
  border-radius: 8px;
  color: inherit;
  text-decoration: none;
}
.clientes a:hover { border-color: var(--destaque); }
.clientes span { display: flex; flex-direction: column; gap: 0.2rem; }
.clientes small { color: var(--suave); }
.clientes .status { align-items: flex-end; text-align: right; }
.clientes .online .status strong { color: var(--ok); }
.clientes .offline a { border-color: var(--erro); border-left-width: 6px; background: #fef3f2; }
.clientes .offline .status strong { color: var(--erro); }
.clientes .indisponivel .status strong { color: var(--suave); }

.voltar { color: var(--destaque); text-decoration: none; white-space: nowrap; }
.palco {
  position: relative;
  display: grid;
  place-items: center;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  max-height: calc(100vh - 8rem);
}
.palco:fullscreen { border-radius: 0; max-height: none; }
.palco video { width: 100%; height: 100%; object-fit: contain; }
.aviso-player {
  position: absolute;
  margin: 0;
  padding: 1rem 1.5rem;
  max-width: 80%;
  text-align: center;
  color: #fff;
  background: rgb(0 0 0 / 70%);
  border-radius: 8px;
}
.tela-cheia {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  background: rgb(0 0 0 / 60%);
  border: 1px solid rgb(255 255 255 / 40%);
}

.vlc {
  margin-top: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--cartao);
  border: 1px solid var(--borda);
  border-radius: 8px;
}
.vlc h2 { font-size: 1.1rem; margin: 0 0 0.5rem; }
.vlc .dica { color: var(--suave); margin: 0.5rem 0; }
.vlc dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.6rem 1rem; align-items: center; margin: 1rem 0 0; }
.vlc dt { color: var(--suave); }
.vlc dd { margin: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; }
.vlc code { font-size: 0.95rem; overflow-wrap: anywhere; }
.vlc button { padding: 0.35rem 0.9rem; }
.vlc button:disabled { opacity: 0.5; cursor: default; }