:root { --fundo: #f6f7f9; --cartao: #fff; --texto: #1b1f24; --discreto: #5b6470; --borda: #d8dde3;
  --azul: #1f6feb; --vermelho: #d1242f; --verde: #2da44e; }
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--fundo); color: var(--texto); }
header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 24px;
  background: var(--cartao); border-bottom: 1px solid var(--borda); flex-wrap: wrap; }
h1 { font-size: 1.2rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0; }
h3 { font-size: .95rem; margin: 0 0 4px; }
select, button, textarea { font: inherit; }
select { padding: 6px; max-width: 320px; }
main { max-width: 1280px; margin: 0 auto; padding: 16px 24px; }
.gravacao { display: flex; align-items: center; gap: 20px; background: var(--cartao); border: 1px solid var(--borda);
  border-radius: 12px; padding: 16px 20px; }
.gravar { font-size: 1.3rem; font-weight: 600; padding: 16px 32px; border: 0; border-radius: 12px; background: var(--azul);
  color: #fff; cursor: pointer; min-width: 180px; }
.gravar.ativo { background: var(--vermelho); }
.gravar:disabled { opacity: .5; cursor: default; }
.painel-gravacao { flex: 1; }
.relogio { font-size: 1.4rem; font-variant-numeric: tabular-nums; }
.barra { height: 10px; background: #e7eaee; border-radius: 5px; overflow: hidden; margin: 6px 0; }
.barra div { height: 100%; width: 0; background: var(--verde); transition: width .1s; }
.status { color: var(--discreto); }
.status.erro { color: var(--vermelho); }
.colunas { display: grid; grid-template-columns: 1fr 340px; gap: 16px; margin-top: 16px; }
.nota, .extra { background: var(--cartao); border: 1px solid var(--borda); border-radius: 12px; padding: 14px 16px; }
.cabecalho-nota { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.cabecalho-nota button { margin-left: auto; }
button { padding: 8px 16px; border-radius: 8px; border: 0; background: var(--azul); color: #fff; cursor: pointer; }
button:disabled { opacity: .45; cursor: default; }
button.secundario { background: #eef1f4; color: var(--texto); }
textarea { width: 100%; min-height: 62vh; resize: vertical; border: 1px solid var(--borda); border-radius: 8px; padding: 12px;
  line-height: 1.5; font-size: 1rem; }
aside { display: flex; flex-direction: column; gap: 16px; }
.discreto { color: var(--discreto); font-size: .85rem; margin: 0 0 8px; }
ul { padding-left: 18px; margin: 0 0 8px; }
#recentes li { cursor: pointer; color: var(--azul); margin-bottom: 4px; }
.novo { border-top: 1px solid var(--borda); padding-top: 8px; margin-top: 8px; }
.novo textarea { min-height: 70px; font-size: .9rem; }
.anterior { min-height: 110px; font-size: .9rem; margin-bottom: 6px; }
.oculto { display: none; }
.entrar form { max-width: 340px; margin: 12vh auto; background: var(--cartao); border: 1px solid var(--borda); border-radius: 12px;
  padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.entrar label { display: flex; flex-direction: column; gap: 6px; }
.entrar input { font: inherit; padding: 10px; border: 1px solid var(--borda); border-radius: 8px; }
header .sair { color: var(--discreto); font-size: .9rem; }
@media (max-width: 860px) { .colunas { grid-template-columns: 1fr; } .gravacao { flex-direction: column; align-items: stretch; } }