:root {
  color-scheme: light;
  --bg: #f6f5f1;
  --card: #ffffff;
  --ink: #1d1f22;
  --muted: #5f646b;
  --line: #e3e1da;
  --accent: #1f5fbf;
  --accent-ink: #ffffff;
  --bom: #1f7a4d;
  --ruim: #b3402a;
  /* escala de risco: do vazio ao lotado */
  --n0: #a9d3b8;
  --n1: #6fb68a;
  --n2: #f2c46b;
  --n3: #e0704f;
  --erro-bg: #fbe9e5;
}
/* Modo escuro só quando a pessoa escolhe (botão no topo); o padrão é sempre o claro. */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #15171a;
  --card: #1f2226;
  --ink: #eceae4;
  --muted: #a3a8ae;
  --line: #33373d;
  --accent: #6a9df0;
  --accent-ink: #0d1b30;
  --bom: #6cc79a;
  --ruim: #f08a70;
  --n0: #24402f;
  --n1: #2f6b47;
  --n2: #a8822f;
  --n3: #b8503a;
  --erro-bg: #3a201b;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 640px; margin: 0 auto; padding: 24px 16px 8px; }
footer { max-width: 640px; margin: 0 auto; padding: 16px 16px 32px; color: var(--muted); font-size: 13px; }

h1 { font-size: 32px; line-height: 1.15; margin: 4px 0 8px; letter-spacing: -0.02em; }
h2 { font-size: 20px; line-height: 1.25; margin: 2px 0 4px; }
h3 { font-size: 16px; margin: 0 0 2px; }
.eyebrow { margin: 0; font-size: 13px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.lead { margin: 0 0 20px; color: var(--muted); font-size: 17px; }
.muted { color: var(--muted); margin: 0; }
.small { font-size: 14px; }

form { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 12px; }
.row { display: flex; gap: 12px; }
.row label { flex: 1; }
select, input {
  display: block; width: 100%; margin-top: 4px; padding: 12px;
  font: inherit; font-size: 18px; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
button {
  width: 100%; padding: 14px; border: 0; border-radius: 10px;
  background: var(--accent); color: var(--accent-ink);
  font: inherit; font-size: 17px; font-weight: 700; cursor: pointer;
}
.hint { margin: 10px 0 0; font-size: 13px; color: var(--muted); }
.erro { background: var(--erro-bg); border-radius: 10px; padding: 12px 14px; margin: 16px 0 0; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; margin-top: 14px; }
#resultado { margin-top: 20px; }
.reco { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 10px; }
.reco strong { display: block; font-size: 20px; line-height: 1.25; margin-top: 6px; }
.tag { display: inline-block; font-size: 12px; font-weight: 700; padding: 2px 8px; border-radius: 99px; text-transform: uppercase; letter-spacing: 0.03em; }
.tag.bom { color: var(--bom); border: 1px solid var(--bom); }
.tag.ruim { color: var(--ruim); border: 1px solid var(--ruim); }

.grafico { display: flex; align-items: flex-end; gap: 3px; height: 140px; margin: 14px 0 4px; padding-bottom: 20px; position: relative; }
.grafico.mini { height: 104px; margin-top: 12px; }
.rotulo-mini { margin: 14px 0 0; font-size: 13px; font-weight: 600; }
.grafico .b { flex: 1; position: relative; border-radius: 4px 4px 0 0; min-height: 3px; }
.grafico .b span { position: absolute; bottom: -20px; left: 50%; transform: translateX(-50%); font-size: 11px; color: var(--muted); white-space: nowrap; }
/* Faixa de risco: a barra inteira vai até o máximo (clara); a base sólida marca o mínimo. */
.grafico .b.faixa { opacity: 1; background-image: repeating-linear-gradient(135deg, rgba(255,255,255,.45) 0 3px, transparent 3px 6px); }
.grafico .b .base { position: absolute; left: 0; right: 0; bottom: 0; border-radius: 0; }
.legenda i.faixa-amostra { background: var(--n2); background-image: repeating-linear-gradient(135deg, rgba(255,255,255,.45) 0 2px, transparent 2px 4px); }
.n0 { background: var(--n0); } .n1 { background: var(--n1); } .n2 { background: var(--n2); } .n3 { background: var(--n3); }
.o0 { background: var(--n0); } .o1 { background: var(--n1); } .o2 { background: var(--n2); } .o3 { background: var(--n3); }
.legenda { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; color: var(--muted); margin-top: 6px; }
.legenda i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }

.feedback { display: block; color: inherit; text-decoration: none; }
.feedback strong { display: block; }
.feedback:hover, .feedback:focus-visible { border-color: var(--accent); }
footer a { color: var(--accent); }

details summary { cursor: pointer; font-weight: 700; }
details[open] summary { margin-bottom: 8px; }
.metodo p { font-size: 15px; color: var(--muted); }

@media (max-width: 380px) {
  .reco { grid-template-columns: 1fr; }
  h1 { font-size: 28px; }
}

/* Faixa animada (visual.js). Sem WebGL2 ela não aparece. */
.visual-fita { display: block; width: 100%; height: 44px; margin-top: 12px; border-radius: 6px; }

/* Seletor de tema */
header { position: relative; }
.tema {
  position: absolute; top: -4px; right: 0;
  display: inline-flex; align-items: center; gap: 6px; width: auto;
  padding: 6px 12px; border-radius: 99px;
  background: var(--card); color: var(--ink); border: 1px solid var(--line);
  font-size: 13px; font-weight: 600;
}
.tema:hover, .tema:focus-visible { border-color: var(--accent); }
.tema svg { width: 15px; height: 15px; }
header .eyebrow { padding-right: 130px; }

/* Nova pesquisa */
.acoes-topo { display: flex; justify-content: flex-end; margin-bottom: -4px; }
button.secundario {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; width: auto;
  padding: 10px 16px; background: var(--card); color: var(--accent);
  border: 1px solid var(--line); font-size: 15px;
}
button.secundario:hover, button.secundario:focus-visible { border-color: var(--accent); }
button.secundario svg { width: 16px; height: 16px; }
button.secundario.largo { width: 100%; margin-top: 14px; }

/* Compartilhar no WhatsApp (o link leva só o site, nunca a zona/seção da pessoa) */
.compartilhar {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-top: 14px; padding: 14px; border-radius: 10px;
  background: #17783f; color: #fff; font-weight: 700; text-decoration: none;
}
.compartilhar:hover, .compartilhar:focus-visible { background: #125f32; }
.compartilhar svg { width: 18px; height: 18px; }
.compartilhar.discreto {
  background: none; color: var(--accent); border: 1px solid var(--line);
  padding: 10px; font-weight: 600; font-size: 15px;
}
.compartilhar.discreto:hover, .compartilhar.discreto:focus-visible { background: none; border-color: var(--accent); }

/* Estado sem dados ainda */
.em-breve {
  margin: -4px 0 12px; padding: 10px 12px; border-radius: 10px;
  background: var(--bg); border: 1px dashed var(--line); font-size: 15px; color: var(--muted);
}
.em-breve strong { color: var(--ink); }
select:disabled, input:disabled, button:disabled { opacity: 0.5; cursor: not-allowed; }

/* Usar minha localização */
button.localizar { width: 100%; margin-bottom: 12px; }
.localizar-status { margin: -4px 0 12px; font-size: 14px; color: var(--muted); }

/* Eixo vertical: linhas de grade finas e valores à esquerda */
.grafico { --base-x: 20px; }
.grafico.com-eixo { padding-left: 42px; }
.grafico .grade {
  position: absolute; left: 42px; right: 0; height: 0;
  border-top: 1px solid var(--line); z-index: 0; pointer-events: none;
}
.grafico .grade span {
  position: absolute; right: calc(100% + 6px); top: 0; transform: translateY(-50%);
  font-size: 11px; color: var(--muted); white-space: nowrap;
}
.grafico .b { z-index: 1; }

/* Título com ícone: toca para recarregar a página do zero */
a.inicio { display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; }
a.inicio svg { width: 30px; height: 30px; flex: none; color: var(--accent); transition: transform .4s ease; }
a.inicio:hover svg, a.inicio:focus-visible svg { transform: rotate(-30deg); }
a.inicio:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 6px; }
@media (prefers-reduced-motion: reduce) { a.inicio svg { transition: none; } }