:root{--fundo:#f6f7f9;--cartao:#fff;--texto:#1b1f24;--discreto:#5b6470;--borda:#d7dce2;--primaria:#d93025;--primaria-texto:#fff;--pausa:#b06000;--aviso:#fff4cc;--aviso-texto:#5c4400}@media (prefers-color-scheme:dark){:root{--fundo:#0f1216;--cartao:#171b21;--texto:#e6e9ee;--discreto:#9aa4b1;--borda:#2c333d;--primaria:#ea4335;--pausa:#f9ab00;--aviso:#3a3010;--aviso-texto:#f7e3a1}}*{box-sizing:border-box}body{background:var(--fundo);color:var(--texto);margin:0;font:15px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--primaria)}h2{margin:0 0 10px;font-size:16px}.topo{background:var(--cartao);border-bottom:1px solid var(--borda);flex-wrap:wrap;align-items:center;gap:6px 24px;padding:10px 16px;display:flex}.marca{align-items:center;gap:8px;font-size:18px;display:flex}.versao{color:var(--discreto);font-size:12px}main{max-width:960px;margin:0 auto;padding:16px}.painel{background:var(--cartao);border:1px solid var(--borda);border-radius:12px;margin-bottom:12px;padding:14px}.centro{text-align:center;justify-content:center}.grade-opcoes{flex-wrap:wrap;align-items:center;gap:10px 22px;display:flex}.grade-opcoes label{align-items:center;gap:6px;display:inline-flex}select{font:inherit;color:var(--texto);background:var(--fundo);border:1px solid var(--borda);border-radius:8px;padding:5px 8px}.linha{flex-wrap:wrap;align-items:center;gap:8px 14px;margin-top:10px;display:flex}.botao{border:1px solid var(--primaria);background:var(--primaria);color:var(--primaria-texto);font:inherit;cursor:pointer;border-radius:8px;justify-content:center;align-items:center;padding:7px 14px;font-weight:600;text-decoration:none;display:inline-flex}.botao.secundario{background:var(--cartao);color:var(--texto);border-color:var(--borda);font-weight:500}.botao.grande{min-width:170px;padding:12px 26px;font-size:18px}.botao:disabled{opacity:.5;cursor:default}.discreto{color:var(--discreto);font-size:13px}kbd{border:1px solid var(--borda);background:var(--fundo);border-bottom-width:2px;border-radius:4px;padding:0 4px;font:12px ui-monospace,Consolas,monospace}.tempo{letter-spacing:1px;font:600 42px/1.2 ui-monospace,Consolas,monospace}.tempo.gravando{color:var(--primaria)}.tempo.pausado{color:var(--pausa)}.niveis{color:var(--discreto);justify-content:center;gap:18px;margin:6px 0;font-size:13px;display:flex}.niveis meter{vertical-align:middle;width:160px}.estado{min-height:1.4em;margin:6px 0 0}.aviso{background:var(--aviso);color:var(--aviso-texto);border-radius:10px;margin-bottom:12px;padding:10px 14px}.previa{background:#000;border-radius:8px;position:relative;overflow:hidden}.previa video{object-fit:contain;width:100%;max-height:60vh;display:block}.camada{cursor:crosshair;touch-action:none;position:absolute;inset:0}.camada.inativa{pointer-events:none;cursor:default}.caixa{border:2px solid var(--primaria);position:absolute;box-shadow:0 0 0 9999px #00000073}.caixa:after{content:attr(data-tamanho);color:#fff;text-shadow:0 1px 2px #000;white-space:nowrap;font-size:12px;position:absolute;top:-22px;left:0}#resultado{background:#000;border-radius:8px;width:100%;max-height:60vh}.rodape{text-align:center;color:var(--discreto);padding:24px 16px;font-size:12px}@media (max-width:520px){.botao.grande{flex:1;min-width:0}.niveis{flex-direction:column;align-items:center}}