:root {
  --meta: #0064E0;
  --meta-hover: #0143B5;
  --meta-light: #47A5FA;
  --baby: #E8F3FF;
  --fundo: #0B1220;
  --fundo-2: #111A2C;
  --cartao: #152035;
  --linha: #243351;
  --texto: #E8EEF6;
  --texto-2: #9FB0C6;
  --sucesso: #31A24C;
  --perigo: #E41E3F;
  --aviso: #F7B928;
  --raio-card: 20px;
  --raio-feature: 24px;
  --easing: cubic-bezier(0.4, 0, 0.2, 1);
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'DM Sans', Inter, system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: radial-gradient(1200px 700px at 30% 20%, #10213f 0%, var(--fundo) 60%) fixed;
  color: var(--texto);
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
  line-height: 1.5;
}

.sr-only, .pular { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.pular:focus { position: fixed; top: 8px; left: 8px; width: auto; height: auto; clip: auto; background: var(--meta); color: #fff; padding: 8px 14px; border-radius: 100px; z-index: 50; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--fundo-2); }
::-webkit-scrollbar-thumb { background: var(--linha); border-radius: 10px; }

/* Topo */
.topo { display: flex; align-items: center; gap: 20px; padding: 16px 28px; border-bottom: 1px solid var(--linha); background: rgba(11, 18, 32, 0.7); backdrop-filter: blur(8px); }
.logo { width: 132px; height: auto; filter: brightness(0) invert(1); }
.titulo h1 { margin: 0; font-size: 28px; font-weight: 700; letter-spacing: 0.5px; }
.titulo p { margin: 0; font-size: 14px; color: var(--texto-2); }
.acoes-topo { margin-left: auto; display: flex; gap: 8px; }

/* Botões */
button { font: inherit; cursor: pointer; transition: all 200ms var(--easing); }
button:active { transform: scale(0.96); opacity: 0.7; }
button:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary { background: var(--meta); color: #fff; border: 0; border-radius: 100px; padding: 10px 22px; font-weight: 600; }
.btn-primary:hover { background: var(--meta-hover); }
.btn-secundario { background: transparent; color: var(--texto); border: 2px solid var(--linha); border-radius: 100px; padding: 8px 18px; font-weight: 600; }
.btn-secundario:hover { border-color: var(--meta-light); }
.btn-ghost { background: transparent; color: var(--meta-light); border: 0; border-radius: 100px; padding: 8px 14px; font-weight: 600; }
.btn-ghost:hover, .btn-ghost[aria-pressed="true"] { background: rgba(71, 165, 250, 0.15); }
:focus-visible { outline: 2px solid var(--meta-light); outline-offset: 2px; }

/* Palco */
.palco { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 24px; padding: 24px 28px; height: calc(100vh - 81px); }
.centro { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 0; }
#orbe { width: min(520px, 42vw, 60vh); height: auto; aspect-ratio: 1; }
.legenda { min-height: 3em; max-width: 560px; text-align: center; font-size: 18px; color: var(--texto); margin: 8px 0 16px; }
.controles { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; justify-content: center; }
.btn-mic { display: inline-flex; align-items: center; gap: 10px; background: var(--meta); color: #fff; border: 0; border-radius: 100px; padding: 14px 28px; font-size: 18px; font-weight: 700; box-shadow: 0 12px 28px rgba(0, 100, 224, 0.35); }
.btn-mic svg { width: 22px; height: 22px; fill: currentColor; }
.btn-mic[aria-pressed="true"] { background: var(--perigo); box-shadow: 0 12px 28px rgba(228, 30, 63, 0.35); }
.chave { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--texto-2); cursor: pointer; }
.chave input { width: 18px; height: 18px; accent-color: var(--meta); }
.dica { font-size: 13px; color: var(--texto-2); margin-top: 12px; text-align: center; }

/* Lateral */
.lateral { display: flex; flex-direction: column; gap: 16px; min-height: 0; }
.visao { background: var(--cartao); border: 1px solid var(--linha); border-radius: var(--raio-card); padding: 14px 16px; }
.visao-cab { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.visao h2 { margin: 0; font-size: 15px; font-weight: 700; }
.visao-botoes { display: flex; gap: 4px; flex-wrap: wrap; }
#video { width: 100%; max-height: 190px; object-fit: contain; border-radius: 14px; background: #000; margin-top: 10px; }
.vazio { font-size: 13px; color: var(--texto-2); margin: 8px 0 0; }

.conversa { flex: 1; min-height: 0; overflow-y: auto; background: var(--cartao); border: 1px solid var(--linha); border-radius: var(--raio-card); padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.msg { max-width: 92%; padding: 10px 14px; border-radius: 16px; font-size: 15px; line-height: 1.5; overflow-wrap: anywhere; animation: entrar 300ms var(--easing); }
.msg.voce { align-self: flex-end; background: var(--meta); color: #fff; border-bottom-right-radius: 4px; }
.msg.atlas { align-self: flex-start; background: var(--fundo-2); border: 1px solid var(--linha); border-bottom-left-radius: 4px; }
.msg.erro { align-self: center; background: rgba(228, 30, 63, 0.15); border: 1px solid var(--perigo); font-size: 14px; }
.msg .ferramentas { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--texto-2); margin-bottom: 6px; }
.msg .ferramentas div { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.msg pre { background: #060b14; border-radius: 10px; padding: 10px; overflow-x: auto; font-family: 'JetBrains Mono', monospace; font-size: 13px; }
.msg code { font-family: 'JetBrains Mono', monospace; font-size: 13px; background: rgba(71, 165, 250, 0.12); padding: 1px 5px; border-radius: 6px; }
.msg pre code { background: none; padding: 0; }
.msg a { color: var(--meta-light); }
.msg .img-enviada { max-width: 220px; border-radius: 10px; display: block; margin-top: 6px; }
.msg p { margin: 0 0 8px; } .msg p:last-child { margin-bottom: 0; }
.msg ul, .msg ol { margin: 4px 0 8px; padding-left: 20px; }

.entrada { display: flex; gap: 10px; align-items: flex-end; }
.entrada textarea { flex: 1; resize: none; max-height: 140px; background: var(--cartao); color: var(--texto); border: 1px solid var(--linha); border-radius: 20px; padding: 12px 16px; font: inherit; }
.entrada textarea:focus { outline: none; border-color: var(--meta); box-shadow: 0 0 0 3px rgba(0, 100, 224, 0.25); }

/* Ajustes */
.ajustes { position: fixed; top: 90px; right: 28px; width: min(360px, calc(100vw - 32px)); background: var(--cartao); border: 1px solid var(--linha); border-radius: var(--raio-feature); padding: 20px; box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45); z-index: 20; display: flex; flex-direction: column; gap: 14px; animation: entrar 200ms var(--easing); }
.ajustes h2 { margin: 0; font-size: 18px; }
.ajustes label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--texto-2); }
.ajustes label.chave { flex-direction: row; }
.ajustes select, .ajustes input[type="text"] { background: var(--fundo-2); color: var(--texto); border: 1px solid var(--linha); border-radius: 12px; padding: 10px 12px; font: inherit; }
.aj-msg { margin: 0; font-size: 13px; color: var(--sucesso); min-height: 1em; }
.ajustes { max-height: calc(100vh - 110px); overflow-y: auto; }
.aj-chaves summary { cursor: pointer; font-size: 14px; color: var(--texto); font-weight: 600; }
.aj-ajuda { font-size: 12px; color: var(--texto-2); margin: 8px 0; }
.aj-chave { display: grid; grid-template-columns: 92px 1fr auto; gap: 6px; align-items: center; margin-bottom: 8px; font-size: 13px; }
.aj-chave input { min-width: 0; background: var(--fundo-2); color: var(--texto); border: 1px solid var(--linha); border-radius: 10px; padding: 8px 10px; font: inherit; }
.aj-chave em { grid-column: 2 / 4; font-style: normal; font-size: 12px; color: var(--texto-2); }
.aj-chave em.ok { color: var(--sucesso); }
.aj-chave em.erro { color: var(--perigo); }
select:disabled { opacity: 0.45; }
.aj-qr { text-align: center; margin-top: 10px; }
.aj-qr img { width: 220px; height: 220px; border-radius: 12px; background: #fff; padding: 6px; }
.aj-lista { list-style: none; padding: 0; margin: 10px 0 0; display: flex; flex-direction: column; gap: 6px; font-size: 13px; }
.aj-lista li { display: flex; justify-content: space-between; align-items: center; gap: 8px; background: var(--fundo-2); border-radius: 10px; padding: 8px 10px; }
.aj-lista small { display: block; color: var(--texto-2); }
.aj-lista .bloqueado { color: var(--perigo); }
.msg.aviso { border-left: 3px solid var(--meta-light); }
.despertador { position: fixed; inset: 0; z-index: 70; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 24px; padding: 24px; text-align: center; background: radial-gradient(900px 600px at 50% 40%, #1d3a6b 0%, var(--fundo) 70%); }
.despertador h2 { margin: 0; font-size: clamp(28px, 5vw, 56px); font-weight: 700; }
.despertador .btn-primary { font-size: 22px; padding: 18px 40px; }
.despertador p { color: var(--texto-2); margin: 0; }
.sem-acesso { position: fixed; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; padding: 24px; text-align: center; background: var(--fundo); z-index: 60; }

.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--cartao); border: 1px solid var(--linha); border-radius: 100px; padding: 10px 20px; font-size: 14px; box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4); z-index: 30; }
.toast.erro { border-color: var(--perigo); }

@keyframes entrar { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* Responsivo */
@media (max-width: 1024px) {
  .palco { grid-template-columns: 1fr; height: auto; }
  .conversa { min-height: 320px; }
  #orbe { width: min(360px, 70vw); }
}
@media (max-width: 480px) {
  .topo { flex-wrap: wrap; padding: 12px 16px; gap: 12px; }
  .logo { width: 120px; }
  .titulo h1 { font-size: 22px; }
  .acoes-topo { margin-left: 0; width: 100%; justify-content: space-between; }
  .palco { padding: 16px; }
  .btn-mic { padding: 12px 22px; font-size: 16px; }
  .ajustes { right: 16px; top: 120px; }
}
/* Tela limpa: só o orbe e a legenda */
.sair-limpa { display: none; }
/* estado (Dormindo, Ouvindo, Pensando...) embaixo do orbe: só na tela limpa, porque o topo some */
.estado-orbe { display: none; margin: 4px 0 0; font-size: 16px; letter-spacing: 0.3px; color: var(--texto-2); text-align: center; }
body.limpa .estado-orbe { display: block; }
body.limpa .topo, body.limpa .lateral, body.limpa .controles, body.limpa .dica, body.limpa .pular { display: none; }
body.limpa .palco { grid-template-columns: 1fr; height: 100vh; padding: 0; }
body.limpa #orbe { width: min(720px, 80vw, 80vh); cursor: pointer; }
body.limpa .legenda { color: var(--texto-2); }
body.limpa .sair-limpa { display: block; position: fixed; top: 16px; right: 16px; width: 44px; height: 44px; border-radius: 100px; border: 1px solid var(--linha); background: transparent; color: var(--texto-2); font-size: 22px; line-height: 1; opacity: 0; transition: opacity 300ms cubic-bezier(0.4, 0, 0.2, 1); }
body.limpa.mexeu .sair-limpa, body.limpa .sair-limpa:focus-visible { opacity: 0.8; }

@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }