/* Tradut — tema escuro, mínimo e responsivo. Celular primeiro. */

:root {
  --bg: #0f1216;
  --painel: #161a20;
  --borda: #262c35;
  --texto: #e6e9ee;
  --fraco: #8b95a3;
  --pri: #3b82f6;
  --ok: #22c55e;
  --aviso: #f59e0b;
  --erro: #ef4444;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--texto);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
[hidden] { display: none !important; }

button, select, input, textarea { font: inherit; color: inherit; }
button, select {
  background: #212731;
  border: 1px solid var(--borda);
  border-radius: 8px;
  padding: .45em .8em;
  cursor: pointer;
}
button:disabled { opacity: .45; cursor: default; }
input, textarea {
  width: 100%;
  background: #0b0e12;
  border: 1px solid var(--borda);
  border-radius: 8px;
  padding: .5em .6em;
}
input:focus, textarea:focus, select:focus, button:focus-visible { outline: 2px solid var(--pri); outline-offset: 1px; }
input[type=checkbox], input[type=radio] { width: auto; }
.primario { background: var(--pri); border-color: var(--pri); color: #fff; font-weight: 600; }
.link { background: none; border: 0; color: var(--pri); padding: .3em 0; }
.icone { background: none; border: 0; font-size: 1.2em; padding: .2em .4em; }
.fraco { color: var(--fraco); }
.pequeno { font-size: .82em; }
.erro { color: #fca5a5; }
.ok { color: #86efac; }
.chk { display: inline-flex; align-items: center; gap: .35em; white-space: nowrap; }
.barra { display: flex; flex-wrap: wrap; align-items: center; gap: .4em; margin: .45em 0; }

/* ---------- Tela inicial (estudos de inglês e dicionário) ---------- */
.inicio { max-width: 1080px; margin: 0 auto; padding: 0 1em; }
.inicio-topo { display: flex; justify-content: space-between; align-items: center; padding: .9em 0; border-bottom: 1px solid var(--borda); }
.marca { font-size: 1.15em; }
.marca span { color: var(--fraco); font-weight: 400; font-size: .85em; margin-left: .3em; }
.inicio-grade { display: grid; gap: 1.5em; padding: 1.5em 0; }
.inicio-principal h1 { font-size: 1.6em; line-height: 1.2; margin: 0 0 .3em; }
.busca { display: flex; gap: .4em; margin: 1em 0 .6em; }
.busca input { flex: 1; font-size: 1.05em; }
.inicio-cartoes { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: .8em; margin-top: 1.2em; }
.verbete { border: 1px solid var(--borda); border-radius: 10px; padding: .8em 1em; background: var(--painel); }
.verbete h2 { font-size: .75em; text-transform: uppercase; letter-spacing: .06em; color: var(--pri); margin: 0 0 .4em; }
.verbete p { margin: .25em 0; }
.termo { font-size: 1.35em; font-weight: 700; }
.termo small { font-weight: 400; color: var(--fraco); font-size: .6em; margin-left: .4em; }
.exemplo-frase { color: var(--fraco); font-style: italic; }
.inicio-rodape { border-top: 1px solid var(--borda); padding: 1em 0; text-align: center; }
@media (min-width: 860px) { .inicio-grade { grid-template-columns: 1fr 340px; align-items: start; } }

/* ---------- Login (Área do aluno) ---------- */
.login { max-width: 360px; margin: 0 auto; padding: 1.2em; border: 1px solid var(--borda); border-radius: 12px; background: var(--painel); width: 100%; }
.login h2 { margin: 0 0 .2em; }
.login form { display: flex; flex-direction: column; gap: .7em; margin: 1.2em 0; }
.login label, #formChave label, #formParams label { display: block; font-size: .9em; color: var(--fraco); }
.login label input { margin-top: .25em; color: var(--texto); }

/* ---------- Estrutura do app ---------- */
#telaApp { display: flex; flex-direction: column; height: 100vh; height: 100dvh; }
.topo { display: flex; align-items: center; gap: .6em; padding: .45em .8em; border-bottom: 1px solid var(--borda); }
.status { margin-left: auto; font-size: .82em; padding: .15em .65em; border-radius: 99px; background: #212731; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 60vw; }
.status::before { content: "●"; margin-right: .35em; color: var(--fraco); }
.status[data-tipo=ouvindo]::before { color: var(--ok); }
.status[data-tipo=conectando]::before { color: var(--aviso); }
.status[data-tipo=erro]::before { color: var(--erro); }

.controles { display: flex; flex-wrap: wrap; gap: .4em; padding: .5em .8em 0; }
.dica { margin: .35em .8em; color: var(--fraco); font-size: .8em; }
.alerta { margin: 0 .8em .4em; padding: .45em .65em; border-radius: 8px; background: #3b1414; border: 1px solid #7f1d1d; color: #fecaca; font-size: .9em; }

/* ---------- Abas ---------- */
.abas { display: flex; border-bottom: 1px solid var(--borda); }
.abas button { flex: 1; background: none; border: 0; border-radius: 0; border-bottom: 2px solid transparent; color: var(--fraco); padding: .55em .3em; }
.abas .ativa { color: var(--texto); border-bottom-color: var(--pri); }

/* ---------- Painéis ---------- */
.paineis { flex: 1; min-height: 0; display: flex; }
.painel { display: none; flex: 1; flex-direction: column; min-height: 0; min-width: 0; padding: .5em .8em; }
.painel.ativo { display: flex; }
.painel h2 { font-size: .75em; text-transform: uppercase; letter-spacing: .06em; color: var(--fraco); margin: .2em 0 .45em; }
.painel h2 small { text-transform: none; letter-spacing: 0; }
.painel-topo { display: flex; flex-wrap: wrap; align-items: center; gap: .3em .6em; margin: .2em 0 .45em; }
.painel-topo h2 { margin: 0 auto 0 0; }
.painel h2 .chk { cursor: pointer; }
.painel h2 input[type=checkbox] { margin: 0; }
.mini { padding: .2em .6em; font-size: .82em; }
select.idioma { padding: .15em .4em; font-size: .8em; }
.linhas { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; overflow-wrap: anywhere; }
.linha { margin: 0 0 .55em; }
#linhasPt .linha { font-size: 1.1em; }
.parcial { color: var(--fraco); font-style: italic; }
.falha { color: #fca5a5; }
.vazio { color: var(--fraco); font-style: italic; }

/* Resumo */
#resumo h3 { font-size: .9em; margin: .9em 0 .3em; color: var(--pri); }
#resumo h3:first-child { margin-top: 0; }
#resumo ul { margin: 0; padding-left: 1.2em; }
#resumo p { margin: 0; }

/* Respostas */
#ideia { resize: vertical; min-height: 4.2em; }
.resposta { border: 1px solid var(--borda); border-radius: 10px; padding: .6em .75em; margin-bottom: .55em; background: var(--painel); }
.resposta .texto-resposta { font-size: 1.2em; font-weight: 600; margin: 0 0 .3em; }
.resposta .conferencia { color: var(--fraco); margin: 0 0 .45em; }

/* ---------- Configurações ---------- */
dialog { width: min(560px, 96vw); max-height: 92dvh; padding: 0; border: 1px solid var(--borda); border-radius: 12px; background: var(--painel); color: var(--texto); }
dialog::backdrop { background: rgba(0, 0, 0, .6); }
.dlg-topo { display: flex; justify-content: space-between; align-items: center; padding: .6em .9em; border-bottom: 1px solid var(--borda); }
.cfg { display: none; padding: .8em .9em 1em; }
.ajuda { padding: .6em .9em 1em; overflow-y: auto; }
.ajuda h3 { font-size: .95em; margin: 1em 0 .4em; color: var(--pri); }
.ajuda ol { margin: .3em 0; padding-left: 1.3em; }
.ajuda li { margin-bottom: .35em; }
.ajuda code, kbd { background: #0b0e12; border: 1px solid var(--borda); border-radius: 4px; padding: .05em .35em; font-size: .9em; }
.botao-link { display: inline-block; padding: .45em .8em; border-radius: 8px; text-decoration: none; }
.ajuda details { border: 1px solid var(--borda); border-radius: 8px; padding: .5em .75em; margin: .5em 0; }
.ajuda summary { cursor: pointer; font-weight: 600; }
.ajuda details[open] summary { margin-bottom: .4em; }
.ajuda ul { margin: .3em 0; padding-left: 1.3em; }
.exemplo { background: #0b0e12; border-left: 3px solid var(--pri); border-radius: 4px; padding: .45em .7em; margin: .4em 0 .7em; white-space: pre-wrap; }
div.exemplo { white-space: normal; }
#dlgHelp { width: min(680px, 96vw); }

/* ---------- Consumo ---------- */
#dlgConsumo { width: min(860px, 98vw); }
#dlgConsumo input[type=date] { width: auto; padding: .3em .4em; }
.cartoes { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: .5em; margin: .6em 0; }
.cartao { display: flex; flex-direction: column; gap: .15em; border: 1px solid var(--borda); border-radius: 8px; padding: .5em .7em; background: #0b0e12; }
.cartao strong { font-size: 1.15em; }
.barras { display: flex; flex-direction: column; gap: .2em; }
.barra-dia { display: grid; grid-template-columns: 3.2em 1fr 7.5em; align-items: center; gap: .5em; }
.barra-trilho { background: #0b0e12; border-radius: 4px; height: .8em; }
.barra-valor { display: block; height: 100%; background: var(--pri); border-radius: 4px; }
.barra-dia span:last-child { text-align: right; }
.tab { width: 100%; border-collapse: collapse; font-size: .85em; margin-bottom: .5em; }
.tab th, .tab td { border-bottom: 1px solid var(--borda); padding: .3em .4em; text-align: right; }
.tab th:first-child, .tab td:first-child { text-align: left; }
.tab th { color: var(--fraco); font-weight: 600; }
.tab.precos td, .tab.precos th { text-align: left; }
.tab.precos input, .tab.precos select { padding: .2em .3em; font-size: .95em; }
#cPrecosLista { overflow-x: auto; }
.cfg.ativo { display: block; }
#formChave, #formParams, #formUsuario, .prefs { display: flex; flex-direction: column; gap: .6em; }
#formChave label input, #formParams label input, #formUsuario label input:not([type=checkbox]) { margin-top: .25em; color: var(--texto); }
#formUsuario > label { display: block; font-size: .9em; color: var(--fraco); }
.selo.pendente { background: #78350f; color: #fde68a; }
.selo.admin { background: #1e3a8a; color: #bfdbfe; }
.lista li.pendente { border-color: #b45309; }
#formChave label select, .prefs label select { display: block; width: 100%; margin-top: .25em; color: var(--texto); }
.prefs { padding-bottom: .9em; margin-bottom: .9em; border-bottom: 1px solid var(--borda); }
.prefs label, #kProvedorCampo { display: block; font-size: .9em; color: var(--fraco); }
.lista { list-style: none; margin: 0 0 1em; padding: 0; }
.lista li { border: 1px solid var(--borda); border-radius: 8px; padding: .5em .65em; margin-bottom: .45em; }
.lista .barra { margin: .35em 0 0; }
.lista button { padding: .25em .6em; font-size: .85em; }
.selo { font-size: .75em; padding: .05em .5em; border-radius: 99px; background: #14532d; color: #bbf7d0; margin-left: .4em; }

/* ---------- Telas largas: os 4 painéis em grade ---------- */
@media (min-width: 900px) {
  .abas:not(.abas-config) { display: none; }
  .paineis { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; gap: .6em; padding: .6em .8em .8em; }
  .painel { display: flex; border: 1px solid var(--borda); border-radius: 10px; background: var(--painel); }
}