/* ===================== Calculadora do 2º Dia — estilos =====================
   Conceito: folha de prova. Papel branco, tinta preta e um único destaque
   (marca-texto amarelo) nos números da meta. Coluna única, mobile-first. */
:root {
  color-scheme: light;
  --papel: #ffffff;
  --tinta: #121212;
  --tinta-2: #6a6a6a;
  --linha: #e4e4e4;
  --marca: #ffe94a;
  --estouro: #d93025;

  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-texto: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--papel); color: var(--tinta); font-family: var(--f-texto); font-size: 16px; line-height: 1.45; }
.wrap {
  max-width: 520px; margin: 0 auto; padding-block: 28px 48px;
  padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px));
  display: flex; flex-direction: column; gap: 36px;
}
:focus-visible { outline: 2px solid var(--tinta); outline-offset: 3px; }

/* ---------- textos utilitários ---------- */
.rot { display: block; margin: 0 0 6px; font-family: var(--f-mono); font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--tinta); }
.aux { margin: 6px 0 0; font-size: 13px; color: var(--tinta-2); font-variant-numeric: tabular-nums; }
.centro { text-align: center; }
.erro { margin: 8px 0 0; font-size: 14px; color: var(--estouro); min-height: 1em; }

/* ---------- topo ---------- */
.topo { display: flex; flex-direction: column; gap: 10px; }
.sobre { margin: 0; font-family: var(--f-mono); font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.topo h1 { margin: 0; font-family: var(--f-display); font-weight: 850; font-stretch: 85%; font-size: clamp(38px, 11vw, 56px); line-height: .98; letter-spacing: -.02em; text-wrap: balance; }
.autor { margin: 0; font-size: 14px; color: var(--tinta-2); }

.etapa { display: flex; flex-direction: column; gap: 26px; }

/* ---------- contadores LC / CH ---------- */
.dupla { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contador { min-width: 0; }
.ctl { display: flex; align-items: center; gap: 6px; }
.ctl input {
  width: 100%; min-width: 0; text-align: center; border: 0; border-bottom: 2px solid var(--tinta); border-radius: 0;
  font-family: var(--f-display); font-weight: 800; font-size: 44px; line-height: 1; padding: 4px 0; background: transparent; color: var(--tinta);
  font-variant-numeric: tabular-nums; -moz-appearance: textfield; appearance: textfield;
}
.ctl input::-webkit-outer-spin-button, .ctl input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.pm { flex: none; width: 36px; height: 36px; border-radius: 50%; border: 1.5px solid var(--tinta); background: var(--papel); color: var(--tinta); font-size: 20px; line-height: 1; cursor: pointer; }
.pm:active { background: var(--tinta); color: var(--papel); }

/* ---------- campos de texto e listas ---------- */
.campo { display: flex; flex-direction: column; }
#busca_box { display: flex; flex-direction: column; gap: 22px; }
.campo input, .manual input[type=text], .manual input[type=number] {
  width: 100%; border: 0; border-bottom: 2px solid var(--tinta); border-radius: 0; background: transparent; color: var(--tinta);
  font: 500 20px var(--f-texto); padding: 8px 0; -webkit-appearance: none; appearance: none;
}
.campo input::placeholder { color: #b4b4b4; }
.campo input:focus { outline: none; border-bottom-color: var(--tinta); box-shadow: 0 2px 0 var(--tinta); }

.lista { list-style: none; margin: 0; padding: 0; max-height: 340px; overflow-y: auto; }
.lista li { padding: 12px 0; border-bottom: 1px solid var(--linha); cursor: pointer; }
.lista li:hover, .lista li:focus { background: #fafafa; outline: none; }
.lista .t1 { font-weight: 700; }
.lista .t2 { font-size: 13px; color: var(--tinta-2); }
.lista .vazio { color: var(--tinta-2); cursor: default; }

.escolhido { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; align-items: baseline; }
.escolhido .t1 { font-weight: 800; font-size: 20px; line-height: 1.2; }
.escolhido .t2 { grid-column: 1 / -1; font-size: 13px; color: var(--tinta-2); }
.trocar { background: none; border: 0; padding: 0; font: 600 13px var(--f-mono); text-decoration: underline; text-underline-offset: 3px; color: var(--tinta); cursor: pointer; }
.escolhido select {
  grid-column: 1 / -1; margin-top: 10px; width: 100%; font: 500 15px var(--f-texto); color: var(--tinta);
  background: var(--papel); border: 1.5px solid var(--tinta); border-radius: 6px; padding: 10px 12px;
}
.ficha { grid-column: 1 / -1; margin: 10px 0 0; font-family: var(--f-mono); font-size: 12px; line-height: 1.7; color: var(--tinta-2); }
.ficha b { color: var(--tinta); font-weight: 600; }

/* ---------- entrada manual ---------- */
.manual summary { cursor: pointer; font-size: 14px; text-decoration: underline; text-underline-offset: 3px; list-style: none; }
.manual summary::-webkit-details-marker { display: none; }
.manual[open] { display: flex; flex-direction: column; gap: 16px; }
.manual[open] summary { margin-bottom: 4px; }
.manual .rot { margin-bottom: -8px; }
.grade5 { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
.grade5 label { font-family: var(--f-mono); font-size: 11px; color: var(--tinta-2); text-align: center; }
.grade5 input { width: 100%; text-align: center; border: 0; border-bottom: 1.5px solid var(--tinta); border-radius: 0; padding: 6px 0; font: 600 18px var(--f-texto); background: transparent; color: var(--tinta); }

/* ---------- botões ---------- */
.acao {
  display: block; width: 100%; text-align: center; text-decoration: none; cursor: pointer;
  font: 700 17px var(--f-texto); color: var(--papel); background: var(--tinta); border: 0; border-radius: 6px; padding: 16px;
}
.acao:disabled { background: #cfcfcf; cursor: not-allowed; }
.acao.sec { background: var(--papel); color: var(--tinta); border: 1.5px solid var(--tinta); font-size: 15px; padding: 12px; }
.acao.desativado { opacity: .4; }

/* ---------- resumo ---------- */
.resumo { display: flex; gap: 12px; align-items: baseline; justify-content: space-between; border-top: 2px solid var(--tinta); padding-top: 10px; }
.resumo p { margin: 0; font-size: 14px; color: var(--tinta-2); min-width: 0; }
.resumo b { color: var(--tinta); }
.resumo button { flex: none; background: none; border: 0; padding: 0; font: 600 13px var(--f-mono); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; color: var(--tinta); }

/* ---------- sliders (redação e equilíbrio) ---------- */
input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 36px; background: transparent; margin: 0; }
input[type=range]::-webkit-slider-runnable-track { height: 2px; background: var(--tinta); }
input[type=range]::-moz-range-track { height: 2px; background: var(--tinta); }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 28px; height: 28px; margin-top: -13px; border-radius: 50%; background: var(--papel); border: 2.5px solid var(--tinta); cursor: grab; }
input[type=range]::-moz-range-thumb { width: 24px; height: 24px; border-radius: 50%; background: var(--papel); border: 2.5px solid var(--tinta); cursor: grab; }
input[type=range]:active::-webkit-slider-thumb { background: var(--tinta); }

.redacao { display: grid; grid-template-columns: 1fr auto; align-items: end; }
.redacao .rot { margin: 0 0 10px; }
.redacao output { font: 800 56px/1 var(--f-display); font-stretch: 85%; font-variant-numeric: tabular-nums; }
.redacao input { grid-column: 1 / -1; margin-top: 6px; }

/* ---------- balança MT × CN ---------- */
.balanca { position: relative; height: 214px; }
.travessao { position: absolute; left: 4%; right: 4%; top: 168px; height: 3px; background: var(--tinta); border-radius: 2px; transform-origin: 50% 50%; transition: transform .25s ease; }
.pivo { position: absolute; left: 50%; top: 171px; width: 0; height: 0; transform: translateX(-50%);
  border-left: 18px solid transparent; border-right: 18px solid transparent; border-bottom: 34px solid var(--tinta); }
.prato { position: absolute; top: 0; width: 46%; height: 148px; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; transition: transform .25s ease; }
#prato_mt { left: 2%; }
#prato_cn { right: 2%; }
.prato .n {
  font: 850 84px/0.95 var(--f-display); font-stretch: 80%; letter-spacing: -.03em; font-variant-numeric: tabular-nums;
  padding: 0 6px; background: linear-gradient(transparent 52%, var(--marca) 52%, var(--marca) 90%, transparent 90%);
}
.prato .n.estourou { color: var(--estouro); }
.prato .de { font-family: var(--f-mono); font-size: 12px; color: var(--tinta-2); margin-top: 2px; }
.prato .area { font-weight: 700; font-size: 15px; margin-top: 2px; }
.equilibrio .pontas { display: flex; justify-content: space-between; font-family: var(--f-mono); font-size: 11px; letter-spacing: .04em; text-transform: uppercase; color: var(--tinta-2); }
.nota-rodape { margin: -10px 0 0; font-size: 13px; color: var(--tinta-2); text-align: center; min-height: 1em; }
.nota-rodape:empty { display: none; }

/* ---------- card ---------- */
.share img { display: block; width: 100%; max-width: 320px; margin: 0 auto; aspect-ratio: 9 / 16; border: 1px solid var(--linha); background: #fafafa; }
.share .acao { max-width: 320px; margin: 0 auto; }
.share .aux { margin-top: -16px; }

/* ---------- plano ---------- */
#plano_box summary { cursor: pointer; font-weight: 800; font-size: 18px; list-style: none; border-top: 2px solid var(--tinta); padding-top: 12px; }
#plano_box summary::-webkit-details-marker { display: none; }
#plano_box summary::after { content: " +"; font-family: var(--f-mono); }
#plano_box[open] summary::after { content: " −"; }
#plano_box[open] { display: flex; flex-direction: column; gap: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font: 500 14px var(--f-texto); padding: 7px 12px; border-radius: 99px; border: 1.5px solid var(--tinta); background: var(--papel); color: var(--tinta); cursor: pointer; }
.chip.ativo { background: var(--tinta); color: var(--papel); }
.chip:disabled { opacity: .3; cursor: not-allowed; }
.estrategia { margin: 0; font-size: 14px; }
.dia { padding: 10px 0; border-bottom: 1px solid var(--linha); }
.dia h3 { margin: 0 0 4px; font-size: 15px; }
.dia h3 small { font-family: var(--f-mono); font-weight: 500; color: var(--tinta-2); margin-right: 6px; }
.dia ul { margin: 0; padding-left: 18px; font-size: 14px; }
.dia li { margin: 2px 0; }

/* ---------- CTA, contato e rodapé ---------- */
.exatoo { border-top: 2px solid var(--tinta); padding-top: 12px; }
.exatoo p { margin: 0 0 4px; font-size: 15px; }
.exatoo a { font-weight: 800; font-size: 20px; color: var(--tinta); text-decoration: none; background: linear-gradient(transparent 60%, var(--marca) 60%); }
.contato { display: flex; flex-direction: column; gap: 12px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--tinta-2); }
.check input { margin-top: 2px; width: 18px; height: 18px; flex: none; accent-color: var(--tinta); }
.rodape { border-top: 1px solid var(--linha); padding-top: 14px; font-size: 12px; color: var(--tinta-2); }
.rodape p { margin: 0 0 6px; }
.rodape a { color: var(--tinta-2); }

@media (prefers-reduced-motion: reduce) { .travessao, .prato { transition: none; } }

/* ---------- grifo (marca-texto), instrução, aviso técnico, plano em imagem ---------- */
mark.grifo { color: inherit; padding: 0 .06em; background: linear-gradient(transparent 56%, var(--marca) 56%, var(--marca) 92%, transparent 92%); }
.instrucao { margin: 0; font-size: 17px; line-height: 1.35; }
.disclaimer { margin: 0; padding-top: 12px; border-top: 1px solid var(--linha); font-family: var(--f-mono); font-size: 11px; line-height: 1.6; color: var(--tinta-2); }
.disclaimer b { color: var(--tinta); font-weight: 600; }
#plano_saida { display: flex; flex-direction: column; gap: 14px; }
#plano_img { display: block; width: 100%; max-width: 320px; margin: 0 auto; aspect-ratio: 9 / 16; border: 1px solid var(--linha); background: #fafafa; }
#btn_plano_baixar { max-width: 320px; margin: 0 auto; }
.plano-texto summary { cursor: pointer; font-size: 14px; text-decoration: underline; text-underline-offset: 3px; list-style: none; }
.plano-texto summary::-webkit-details-marker { display: none; }
.dia .linha-dica { color: var(--tinta-2); }