:root {
  --fundo: #f6f7fb;
  --superficie: #ffffff;
  --texto: #15171c;
  --suave: #5d6472;
  --borda: #e2e5ec;
  --marca: #5b3fd6;
  --marca-texto: #ffffff;
  --bom: #1f8a4c;
  --ruim: #c4322b;
  --atencao: #a86400;
  --ativo: #0f7fa3;
  --mais: #e6f6ea;
  --menos: #fbe9e8;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fundo: #14161a;
    --superficie: #1d2026;
    --texto: #e9ebf0;
    --suave: #9aa1ae;
    --borda: #2c3038;
    --marca: #8b74f0;
    --marca-texto: #0f1014;
    --bom: #4cc27c;
    --ruim: #ff7a70;
    --atencao: #f0b44c;
    --ativo: #4cc3e8;
    --mais: #16301f;
    --menos: #3a1c1b;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  background: var(--fundo);
  color: var(--texto);
  font:
    16px/1.45 system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
  -webkit-text-size-adjust: 100%;
}

#app {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
  background: var(--superficie);
  border-bottom: 1px solid var(--borda);
}

.titulo {
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.conexao {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--suave);
  white-space: nowrap;
}

.ponto {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--suave);
}

.conexao.on .ponto {
  background: var(--bom);
}

.conexao.meio .ponto {
  background: var(--atencao);
}

.conexao.off .ponto {
  background: var(--ruim);
}

main {
  flex: 1;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 16px 16px calc(84px + env(safe-area-inset-bottom));
}

main.centro {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  gap: 12px;
  text-align: center;
  padding-bottom: 32px;
}

.logo {
  width: 72px;
  height: 72px;
  margin: 0 auto;
  border-radius: 18px;
}

h1 {
  font-size: 22px;
  margin: 0;
}

h2 {
  font-size: 19px;
  margin: 8px 0;
}

nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  display: flex;
  background: var(--superficie);
  border-top: 1px solid var(--borda);
  padding-bottom: env(safe-area-inset-bottom);
}

nav button {
  flex: 1;
  border: 0;
  border-radius: 0;
  background: none;
  color: var(--suave);
  padding: 14px 4px;
  font-size: 13px;
  min-height: 52px;
}

nav button.ativa {
  color: var(--marca);
  font-weight: 600;
  box-shadow: inset 0 2px 0 var(--marca);
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  min-height: 44px;
  padding: 8px 14px;
  border-radius: 10px;
  border: 1px solid var(--borda);
  background: var(--superficie);
  cursor: pointer;
}

button:disabled {
  opacity: 0.55;
}

button.primario {
  background: var(--marca);
  border-color: var(--marca);
  color: var(--marca-texto);
  font-weight: 600;
}

button.perigo {
  color: var(--ruim);
}

button.link,
button.voltar {
  border: 0;
  background: none;
  color: var(--marca);
  padding: 4px 0;
  min-height: 36px;
  text-align: left;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--marca);
  outline-offset: 2px;
}

input,
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--borda);
  background: var(--superficie);
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
  font-size: 14px;
  color: var(--suave);
}

.lista {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lista li {
  background: var(--superficie);
  border: 1px solid var(--borda);
  border-radius: 14px;
  overflow: hidden;
}

.item {
  width: 100%;
  border: 0;
  border-radius: 0;
  background: none;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 8px;
  text-align: left;
  padding: 12px 14px;
}

.item .meta {
  grid-column: 1 / -1;
}

.nome {
  font-weight: 600;
  overflow-wrap: anywhere;
}

.meta {
  font-size: 13px;
  color: var(--suave);
  margin: 0;
  overflow-wrap: anywhere;
}

.mono,
.impressao,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.impressao {
  font-size: 20px;
  letter-spacing: 1px;
}

.chip {
  align-self: start;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--suave) 15%, transparent);
  white-space: nowrap;
}

.chip.bom {
  color: var(--bom);
  background: color-mix(in srgb, var(--bom) 14%, transparent);
}

.chip.ruim {
  color: var(--ruim);
  background: color-mix(in srgb, var(--ruim) 14%, transparent);
}

.chip.atencao {
  color: var(--atencao);
  background: color-mix(in srgb, var(--atencao) 16%, transparent);
}

.chip.ativo {
  color: var(--ativo);
  background: color-mix(in srgb, var(--ativo) 14%, transparent);
}

.acoes,
.opcoes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 14px 12px;
}

.cartao .acoes,
.cartao .opcoes,
.detalhe > .acoes {
  padding: 8px 0 0;
}

.opcoes button {
  flex: 1 1 100%;
  text-align: left;
}

.cartao {
  background: var(--superficie);
  border: 1px solid var(--borda);
  border-radius: 14px;
  padding: 12px 14px;
  margin-bottom: 10px;
}

.pergunta {
  font-weight: 600;
  margin: 4px 0;
}

.linha {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.texto {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.detalhe {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rodadas,
.arvore {
  list-style: none;
  padding: 0;
  margin: 6px 0;
  font-size: 14px;
}

.log {
  background: var(--superficie);
  border: 1px solid var(--borda);
  border-radius: 12px;
  padding: 10px 12px;
  height: 52dvh;
  overflow-y: auto;
  font-size: 14px;
}

.fala {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  margin-bottom: 8px;
}

.fala.thought {
  color: var(--suave);
  font-style: italic;
}

.fala.error {
  color: var(--ruim);
}

.enviar {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.formulario {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.ajustes {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.diff pre {
  margin: 0;
  font-size: 12.5px;
  overflow-x: auto;
  background: var(--superficie);
  border: 1px solid var(--borda);
  border-radius: 12px;
  padding: 8px 0;
}

.linhas div {
  padding: 0 10px;
  white-space: pre;
}

.linhas .mais {
  background: var(--mais);
}

.linhas .menos {
  background: var(--menos);
}

.linhas .pulo {
  color: var(--suave);
  font-style: italic;
}

.vazio {
  color: var(--suave);
  text-align: center;
  padding: 32px 0;
}

.aviso {
  color: var(--suave);
  min-height: 1.4em;
}

.toast {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: calc(72px + env(safe-area-inset-bottom));
  z-index: 3;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--texto);
  color: var(--fundo);
  font-size: 14px;
  text-align: center;
}

/* Cyber café (RF-302): a mesma sala da IDE. */
.sala canvas.cafe {
  display: block;
  width: 100%;
  height: min(70vh, 560px);
  border-radius: 12px;
  background: #17131f;
  image-rendering: pixelated;
  touch-action: manipulation;
}