/* Calculadora do IR zero (brasilcomlula.com/calculadora/): o preto das páginas de caso, com o número grande no centro. */
:root { --verm: #d91c1c; --verm-escuro: #ae1313; --amar: #facc15; --preto: #0b0b0b; --cinza: #a9a9a9; --cartao: #151515; --borda: #2a2a2a; --zap: #25d366; }
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body { min-height: 100vh; font-family: Archivo, system-ui, sans-serif; color: #eee; background: radial-gradient(circle at 10% 0%, rgb(217 28 28 / .2), transparent 42%), var(--preto); }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid var(--amar); outline-offset: 3px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* topo e rodapé iguais aos das páginas de caso */
.c-topo { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 18px; background: var(--verm-escuro); }
.c-marca { display: inline-flex; align-items: center; min-height: 44px; font-weight: 900; font-size: 1.05rem; color: #fff; }
.c-apoiar { display: inline-flex; align-items: center; min-height: 44px; padding: 0 1rem; border-radius: 999px; font-weight: 900; font-size: .9rem; background: var(--amar); color: var(--verm-escuro); }
.c-rodape { padding: 22px 18px 40px; text-align: center; font-size: .8rem; line-height: 1.5; color: #8a8a8a; }

.calc { max-width: 1080px; margin: 0 auto; padding: 28px 18px 40px; }
.calc-grade { display: grid; gap: 22px; }
.calc-chapeu { display: inline-block; padding: .3rem .65rem; border-radius: .3rem; font-size: .78rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; background: var(--verm); color: #fff; }
h1 { margin-top: 12px; font-weight: 900; font-size: clamp(2.1rem, 9.5vw, 3.5rem); line-height: 1.03; letter-spacing: -.02em; color: #fff; text-wrap: balance; }
h1 span { color: var(--amar); }
.calc-lead { margin-top: 14px; font-size: 1.08rem; line-height: 1.55; color: #d4d4d4; }
.calc-lead strong { color: #fff; font-weight: 800; }

/* campo do salário */
.calc-form { margin-top: 24px; }
.calc-label { display: block; margin-bottom: 10px; font-weight: 800; font-size: 1.02rem; color: #fff; }
.calc-campo { display: flex; align-items: center; gap: 10px; padding: 0 18px; border-radius: 16px; background: #fff; border: 3px solid #fff; box-shadow: 0 18px 36px -18px rgb(0 0 0 / .9); transition: border-color .15s, box-shadow .15s; cursor: text; }
.calc-campo:focus-within { border-color: var(--amar); box-shadow: 0 0 0 4px rgb(250 204 21 / .35), 0 18px 36px -18px rgb(0 0 0 / .9); }
.calc-rs { font-weight: 900; font-size: clamp(1.4rem, 6.5vw, 1.9rem); color: var(--verm-escuro); }
.calc-campo input { flex: 1; width: 100%; min-width: 0; height: 74px; border: 0; outline: 0; background: transparent; font: inherit; font-weight: 900; font-size: clamp(2rem, 10vw, 2.8rem); letter-spacing: -.02em; color: var(--preto); font-variant-numeric: tabular-nums; }
.calc-campo input::placeholder { color: #c9c9c9; opacity: 1; }
.calc-dica { margin-top: 8px; font-size: .9rem; color: var(--cinza); }

/* resultado */
.calc-resultado { padding: 22px 20px 20px; border-radius: 18px; background: var(--cartao); border: 1px solid var(--borda); }
.calc-manchete { font-weight: 800; font-size: 1.25rem; line-height: 1.25; color: #fff; }
.calc-resultado[data-estado="vazio"] .calc-manchete { font-weight: 700; font-size: 1.12rem; line-height: 1.4; color: #cfcfcf; }
.m-valor { display: block; margin: 6px 0 4px; font-weight: 900; font-size: clamp(2.7rem, 14vw, 4.4rem); line-height: 1; letter-spacing: -.03em; color: var(--amar); font-variant-numeric: tabular-nums; white-space: nowrap; }
.calc-ano { margin-top: 12px; font-size: 1.06rem; line-height: 1.4; color: #e2e2e2; }
.calc-ano strong { color: #fff; font-weight: 900; white-space: nowrap; }
.calc-zero { display: inline-block; margin-top: 14px; padding: .4rem .75rem; border-radius: 999px; font-weight: 900; font-size: .82rem; letter-spacing: .05em; text-transform: uppercase; background: var(--amar); color: var(--verm-escuro); }

.calc-barras { display: grid; gap: 14px; margin-top: 22px; }
.barra-topo { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; font-weight: 800; color: #fff; }
.barra-topo small { margin-left: 4px; font-weight: 600; font-size: .84rem; color: var(--cinza); }
.barra-topo b { font-weight: 900; font-variant-numeric: tabular-nums; white-space: nowrap; }
.barra { display: flex; height: 22px; margin-top: 7px; border-radius: 999px; overflow: hidden; background: #262626; }
.barra span { flex: none; height: 100%; transition: width .45s cubic-bezier(.2, .8, .2, 1); }
.barra-ir { background: var(--verm); }
.barra-ganho { background: var(--amar); }
.barra-legenda { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: .85rem; color: var(--cinza); }
.ponto { display: inline-block; width: 12px; height: 12px; margin-right: 6px; border-radius: 3px; vertical-align: -1px; }
.ponto-ir { background: var(--verm); }
.ponto-ganho { background: var(--amar); }
[data-estado="igual"] .barra-legenda { display: none; }

.calc-detalhes { margin-top: 20px; border-top: 1px solid var(--borda); }
.calc-detalhes div { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--borda); }
.calc-detalhes dt { color: #cfcfcf; line-height: 1.3; }
.calc-detalhes dd { font-weight: 800; color: #fff; font-variant-numeric: tabular-nums; white-space: nowrap; }
.calc-liquido dt { font-weight: 800; color: #fff !important; }
.calc-liquido dd { font-size: 1.2rem; font-weight: 900; color: var(--amar); }
.calc-metodo { margin-top: 12px; font-size: .88rem; line-height: 1.45; color: var(--cinza); }

.calc-zap { display: flex; align-items: center; justify-content: center; gap: .5rem; width: 100%; min-height: 56px; margin-top: 20px; padding: .8rem 1.2rem; border-radius: 999px; font-weight: 900; font-size: 1.08rem; background: var(--zap); color: #05361b; transition: transform .15s, filter .15s; }
.calc-zap:hover { filter: brightness(1.06); transform: translateY(-1px); }
.zap-icone { flex: none; width: 1.35em; height: 1.35em; }

/* apoio, suposições e fontes */
.calc-apoio { display: block; margin-top: 6px; padding: 18px; border-radius: 14px; background: var(--amar); color: #5c0f0f; font-weight: 600; line-height: 1.45; transition: transform .15s; }
.calc-apoio:hover { transform: translateY(-2px); }
.calc-apoio span { margin-right: .3rem; font-size: 1.4rem; vertical-align: -2px; }
.calc-apoio strong { color: var(--verm-escuro); font-weight: 900; }
.calc-nota { margin-top: 24px; font-size: .9rem; line-height: 1.5; color: #cfcfcf; }
.calc-fontes { display: flex; flex-wrap: wrap; align-items: center; column-gap: 16px; margin-top: 4px; font-size: .85rem; color: var(--cinza); }
.calc-fontes a { display: inline-flex; align-items: center; min-height: 44px; color: #fff; text-decoration: underline; text-decoration-color: rgb(250 204 21 / .6); text-underline-offset: 3px; }
.calc-fontes a:hover { text-decoration-color: var(--amar); }

@media (min-width: 900px) {
  .calc { padding-top: 56px; }
  .calc-grade { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-rows: auto 1fr; grid-template-areas: "entrada resultado" "apoio resultado"; gap: 28px 48px; align-items: start; }
  .calc-entrada { grid-area: entrada; }
  .calc-resultado { grid-area: resultado; }
  .calc-apoio { grid-area: apoio; margin-top: 0; }
  .calc-resultado { padding: 28px 28px 24px; }
  .calc-lead { font-size: 1.15rem; }
}

@media (prefers-reduced-motion: reduce) {
  .barra span, .calc-zap, .calc-apoio, .calc-campo { transition: none; }
  .calc-zap:hover, .calc-apoio:hover { transform: none; }
}