:root {
  --bg: #f6f7f9; --card: #fff; --lateral: #eef1f5; --txt: #111827; --sub: #6b7280; --borda: #e5e7eb;
  --azul: #2563eb; --azul-claro: #dbeafe; --ok: #15803d; --erro: #b91c1c; --hl: #fef3c7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0f17; --card: #131a24; --lateral: #0f141d; --txt: #e5e7eb; --sub: #9ca3af; --borda: #263040;
    --azul: #60a5fa; --azul-claro: #1e3a5f; --ok: #4ade80; --erro: #f87171; --hl: #4a3b0f;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--txt);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
[hidden] { display: none !important; }

/* ---------- Estrutura: celular = uma coluna; desktop = barra lateral + área principal ---------- */
.app { display: flex; flex-direction: column; }
.topo { display: flex; align-items: center; gap: 12px; padding: 20px 16px 8px; }
.lateral { order: 2; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.principal { order: 1; padding: 0 16px; display: grid; gap: 16px; align-content: start; min-width: 0; }

@media (max-width: 1023px) { .atalhos { display: none; } }

@media (min-width: 1024px) {
  .app {
    display: grid; height: 100vh; overflow: hidden;
    grid-template-columns: 320px 1fr; grid-template-rows: auto 1fr;
  }
  .topo { grid-column: 1; grid-row: 1; background: var(--lateral); border-right: 1px solid var(--borda); padding: 20px 18px 12px; }
  .lateral {
    grid-column: 1; grid-row: 2; overflow-y: auto; min-height: 0;
    background: var(--lateral); border-right: 1px solid var(--borda); padding: 0 18px 18px;
  }
  .principal { grid-column: 2; grid-row: 1 / 3; overflow-y: auto; padding: 24px 28px 28px; }
  .resultado { display: flex; flex-direction: column; }
  .leitura { display: grid; grid-template-columns: minmax(320px, 2fr) 3fr; gap: 24px; align-items: start; }
  .leitura .midia { position: sticky; top: 0; }
  .leitura .midia:empty { display: none; }
  .leitura:has(.midia:empty) { grid-template-columns: 1fr; }
  .texto { max-height: calc(100vh - 220px); overflow-y: auto; padding-right: 8px; }
  .texto p { max-width: 75ch; }
}

.topo h1 { font-size: 1.4rem; margin: 0; }
.selo { font-size: .8rem; padding: 3px 10px; border-radius: 99px; background: var(--azul-claro); color: var(--azul); white-space: nowrap; }
.painel { background: var(--card); border: 1px solid var(--borda); border-radius: 14px; padding: 18px; min-width: 0; }
.zona {
  display: flex; flex-direction: column; align-items: center; gap: 4px; text-align: center;
  padding: 36px 16px; border: 2px dashed var(--borda); border-radius: 12px; cursor: pointer;
}
.zona span { color: var(--sub); font-size: .9rem; }
.zona.arrastando, .zona:hover, .zona:focus { border-color: var(--azul); outline: none; }
.opcoes { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 14px; }
.opcoes label { display: flex; flex-direction: column; font-size: .85rem; color: var(--sub); flex: 1 1 200px; }
select, input[type=search], button {
  font: inherit; color: var(--txt); background: var(--card);
  border: 1px solid var(--borda); border-radius: 8px; padding: 8px 10px; min-height: 40px;
}
input[type=search] { width: 100%; }
button { cursor: pointer; }
button:hover { border-color: var(--azul); }
.instalar { background: var(--azul); color: #fff; border-color: var(--azul); font-weight: 600; }
.dica { color: var(--sub); font-size: .85rem; margin: 10px 0 0; }
.dica a { color: var(--azul); }
kbd { font: .75rem ui-monospace, monospace; border: 1px solid var(--borda); border-radius: 4px; padding: 1px 5px; }
.fila, .historico { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 8px; }
.historico { margin: 0; }
.fila li, .historico li { border: 1px solid var(--borda); border-radius: 10px; padding: 10px 12px; background: var(--card); }
.linha { display: flex; justify-content: space-between; gap: 10px; align-items: center; flex-wrap: wrap; }
.nome { font-weight: 600; overflow-wrap: anywhere; }
.estado { font-size: .85rem; color: var(--sub); }
.estado.ok { color: var(--ok); } .estado.erro { color: var(--erro); }
.barra { height: 6px; background: var(--borda); border-radius: 99px; margin-top: 8px; overflow: hidden; }
.barra i { display: block; height: 100%; width: 0; background: var(--azul); transition: width .3s; }
.cabeca { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.cabeca h2 { font-size: 1.1rem; margin: 0; overflow-wrap: anywhere; }
.acoes { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.check { font-size: .85rem; color: var(--sub); display: flex; gap: 4px; align-items: center; }
.midia video, .midia audio { width: 100%; max-height: 360px; margin-top: 14px; border-radius: 10px; background: #000; display: block; }
.midia audio { background: none; }
.texto { margin-top: 14px; }
.texto p { margin: 0 0 14px; }
.texto time { display: inline-block; font-size: .78rem; color: var(--azul); margin-right: 6px; font-variant-numeric: tabular-nums; }
.texto .s { border-radius: 4px; cursor: pointer; }
.texto .s:hover { background: var(--azul-claro); }
.texto .s.atual { background: var(--hl); }
.historico li { cursor: pointer; }
.historico li:hover, .historico li.aberto { border-color: var(--azul); }
.historico .linha { flex-wrap: nowrap; align-items: flex-start; }
.historico .apagar { min-height: 32px; min-width: 32px; padding: 0; font-size: 1.1rem; line-height: 1; color: var(--sub); flex: none; }
.historico .apagar:hover { color: var(--erro); border-color: var(--erro); }
.vazio { color: var(--sub); font-size: .9rem; }
.lateral footer { color: var(--sub); font-size: .8rem; margin-top: auto; padding-top: 16px; }