/* Tema escuro estilo Discord. Sem fonte nem imagem externa. */
:root {
  --bg: #1e1f22;
  --painel: #2b2d31;
  --painel-2: #313338;
  --texto: #f2f3f5;
  --suave: #b5bac1;
  --acento: #5865f2;
  --acento-forte: #4752c4;
  --ok: #23a55a;
  --erro: #f23f43;
  --aviso: #f0b132;
  --raio: 10px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--texto);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.oculto { display: none !important; }
a { color: #8ea1ff; }

/* ---------------------------------------------------------- entrada */
.tela { min-height: 100%; }
#tela-inicio, #tela-porta { display: grid; place-items: center; padding: 16px; }
.cartao {
  width: min(420px, 100%);
  background: var(--painel);
  border-radius: var(--raio);
  padding: 28px 24px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, .35);
}
.cartao h1 { margin: 0 0 4px; font-size: 1.7rem; }
.sub { margin: 0 0 18px; color: var(--suave); }
label { display: block; margin: 14px 0 6px; font-size: .85rem; font-weight: 600; color: var(--suave); }
input[type="text"], input[type="password"], select {
  width: 100%;
  padding: 11px 12px;
  background: #1e1f22;
  color: var(--texto);
  border: 1px solid transparent;
  border-radius: 6px;
  font: inherit;
}
input:focus-visible, select:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--acento);
  outline-offset: 2px;
}
button {
  font: inherit;
  cursor: pointer;
  border: 0;
  border-radius: 6px;
  padding: 10px 16px;
  color: var(--texto);
}
button:disabled { opacity: .5; cursor: not-allowed; }
.primario { background: var(--acento); width: 100%; margin-top: 18px; font-weight: 600; }
.primario:hover:not(:disabled) { background: var(--acento-forte); }
.secundario { background: #4e5058; margin-top: 12px; }
.secundario:hover:not(:disabled) { background: #5d6068; }
details { margin-top: 18px; border-top: 1px solid #3f4147; padding-top: 12px; }
summary { cursor: pointer; color: var(--suave); }
.dica { color: var(--suave); font-size: .85rem; }
.erro { color: var(--erro); margin: 12px 0 0; }
.aviso { color: var(--aviso); font-size: .88rem; }
.centrado { text-align: center; }

/* ------------------------------------------------------------- sala */
#tela-sala { display: flex; flex-direction: column; height: 100vh; }
.barra {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between;
  padding: 10px 14px; background: var(--painel); border-bottom: 1px solid #1a1b1e;
}
.barra-info { display: flex; gap: 12px; align-items: baseline; }
.barra-info span { color: var(--suave); font-size: .9rem; }
.barra-botoes { display: flex; flex-wrap: wrap; gap: 8px; }
.ctrl { background: #4e5058; padding: 8px 12px; }
.ctrl:hover { background: #5d6068; }
.ctrl[aria-pressed="false"] { background: #3a3c42; color: var(--suave); }
.destaque-btn { background: var(--acento); }
.destaque-btn.ativo { background: var(--ok); }
.sair { background: #a1282b; }
.sair:hover { background: #c1302f; }
.faixa {
  display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center;
  padding: 8px 14px; background: var(--painel-2); font-size: .9rem; color: var(--suave);
}
.faixa b { color: var(--texto); font-variant-numeric: tabular-nums; }
.palco { flex: 1; min-height: 0; display: flex; flex-direction: column; gap: 10px; padding: 10px; overflow: auto; }
.destaque { display: grid; gap: 10px; flex: 1 1 60%; min-height: 0; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.destaque-item { position: relative; background: #000; border-radius: var(--raio); overflow: hidden; display: flex; flex-direction: column; min-height: 220px; }
.destaque-item video { flex: 1; min-height: 0; width: 100%; object-fit: contain; background: #000; }
.destaque-rodape { display: flex; gap: 12px; align-items: center; padding: 6px 10px; background: rgba(0, 0, 0, .65); font-size: .9rem; }
.destaque-rodape span { flex: 1; }
.destaque-rodape input[type="range"] { width: 110px; accent-color: var(--acento); }
.grade { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.tile { position: relative; aspect-ratio: 16 / 9; background: var(--painel); border-radius: var(--raio); overflow: hidden; display: grid; place-items: center; outline: 2px solid transparent; }
.tile.falando { outline-color: var(--ok); }
.tile video { width: 100%; height: 100%; object-fit: cover; }
.inicial { width: 64px; height: 64px; border-radius: 50%; background: var(--acento); display: grid; place-items: center; font-weight: 700; font-size: 1.3rem; }
.placa { position: absolute; left: 8px; bottom: 8px; background: rgba(0, 0, 0, .6); padding: 2px 8px; border-radius: 4px; font-size: .85rem; }
.sem-mic { margin-left: 6px; color: var(--aviso); font-size: .75rem; }

/* ----------------------------------------------------------- diálogo */
dialog {
  background: var(--painel); color: var(--texto); border: 0; border-radius: var(--raio);
  padding: 0; width: min(520px, calc(100% - 32px)); box-shadow: 0 10px 40px rgba(0, 0, 0, .5);
}
dialog::backdrop { background: rgba(0, 0, 0, .65); }
.dlg { padding: 22px 22px 18px; }
.dlg h2 { margin: 0 0 4px; }
.linha { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.check { display: flex; gap: 8px; align-items: flex-start; font-weight: 400; color: var(--texto); font-size: .92rem; }
.check input { margin-top: 4px; }
.previa-caixa { margin-top: 14px; }
.previa-caixa video { width: 100%; aspect-ratio: 16 / 9; background: #000; border-radius: 6px; object-fit: contain; }
.acoes { display: flex; gap: 10px; justify-content: flex-end; margin-top: 16px; }
.acoes .primario, .acoes .secundario { width: auto; margin-top: 0; }

@media (max-width: 700px) {
  .linha { grid-template-columns: 1fr; }
  .destaque { grid-template-columns: 1fr; }
  .barra { padding: 8px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }