:root {
  --io-violet: #8001ff;
  --io-violet-dark: #5c00b8;
  --io-violet-soft: #f1e8ff;
  --io-ink: #1f2330;
  --io-muted: #5c6270;
  --io-line: #e4e6ec;
  --io-bg: #f7f7fa;
  --io-card: #ffffff;
  --io-radius: 14px;
  --io-shadow: 0 1px 2px rgba(20, 20, 40, .06), 0 8px 24px -12px rgba(20, 20, 40, .18);
  --io-font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --io-violet-soft: #2a1a44;
    --io-ink: #eceef5;
    --io-muted: #a6acbd;
    --io-line: #2c3040;
    --io-bg: #12141c;
    --io-card: #1a1d27;
    --io-shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px -12px rgba(0, 0, 0, .6);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--io-font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--io-ink);
  background: var(--io-bg);
}

a { color: var(--io-violet); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .92em; background: var(--io-violet-soft); padding: .1em .35em; border-radius: 5px; }

.io-visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Cabeçalho: título à esquerda, botões ao centro/direita, logotipo à direita (link para embrapa.io) */
.io-header {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  padding: 12px 24px;
  background: var(--io-card);
  border-bottom: 1px solid var(--io-line);
  position: sticky; top: 0; z-index: 10;
}
.io-title { font-weight: 700; font-size: 1.08rem; letter-spacing: -.01em; color: var(--io-ink); }
.io-title:hover { text-decoration: none; color: var(--io-violet); }
.io-nav { display: flex; gap: 8px; margin-left: auto; }
.io-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 12px; border-radius: 999px;
  font-size: .9rem; font-weight: 500; color: var(--io-muted);
  border: 1px solid var(--io-line); background: transparent;
  transition: color .15s, border-color .15s, background .15s;
}
.io-btn:hover { text-decoration: none; color: var(--io-violet); border-color: var(--io-violet); background: var(--io-violet-soft); }
.io-btn.is-current { color: var(--io-violet); border-color: var(--io-violet); }
.io-btn svg { flex: 0 0 auto; }
.io-brand { display: flex; align-items: center; padding-left: 18px; border-left: 1px solid var(--io-line); }
.io-brand img { display: block; height: 34px; width: auto; }

/* Conteúdo */
.io-main { max-width: 1120px; margin: 0 auto; padding: 32px 24px 48px; }

.io-hero { text-align: center; max-width: 760px; margin: 8px auto 32px; }
.io-hero h1 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); letter-spacing: -.02em; margin: 0 0 10px; }
.io-hero p { color: var(--io-muted); margin: 0 0 22px; }

.io-search { position: relative; }
.io-search input {
  width: 100%;
  font: inherit; font-size: 1.05rem;
  padding: 15px 18px 15px 48px;
  border: 1.5px solid var(--io-line);
  border-radius: 999px;
  background: var(--io-card) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%238001ff' stroke-width='2.2' stroke-linecap='round'><circle cx='11' cy='11' r='7'/><path d='m20 20-3.5-3.5'/></svg>") no-repeat 17px center;
  color: var(--io-ink);
  box-shadow: var(--io-shadow);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.io-search input:focus { border-color: var(--io-violet); box-shadow: 0 0 0 4px var(--io-violet-soft), var(--io-shadow); }
.io-search-hint { display: block; margin-top: 8px; font-size: .82rem; color: var(--io-muted); min-height: 1.2em; }

/* Resultados de busca no conteúdo */
.io-results { margin: 0 0 36px; }
.io-results h2 { font-size: 1rem; color: var(--io-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; margin: 0 0 12px; }
.io-result-group { background: var(--io-card); border: 1px solid var(--io-line); border-radius: var(--io-radius); padding: 14px 18px; margin-bottom: 12px; }
.io-result-group h3 { margin: 0 0 8px; font-size: 1rem; }
.io-result-group h3 span { color: var(--io-muted); font-weight: 400; font-size: .85rem; margin-left: 8px; }
.io-result { padding: 8px 0; border-top: 1px solid var(--io-line); }
.io-result:first-of-type { border-top: 0; }
.io-result a { font-weight: 600; }
.io-result p { margin: 2px 0 0; color: var(--io-muted); font-size: .9rem; }
.io-result mark { background: var(--io-violet-soft); color: inherit; border-radius: 3px; padding: 0 2px; }

/* Catálogo */
.io-catalog-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 14px; }
.io-catalog-head h2 { font-size: 1.05rem; margin: 0; color: var(--io-muted); font-weight: 600; }
.io-toggle { font-weight: 500; font-size: .88rem; margin-left: 10px; }
.io-sort { font-size: .88rem; color: var(--io-muted); display: flex; gap: 8px; align-items: center; }
.io-sort select { font: inherit; padding: 5px 8px; border-radius: 8px; border: 1px solid var(--io-line); background: var(--io-card); color: var(--io-ink); }

.io-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }

.io-card {
  display: flex; flex-direction: column; gap: 8px;
  background: var(--io-card);
  border: 1px solid var(--io-line);
  border-radius: var(--io-radius);
  padding: 18px 18px 16px;
  color: inherit;
  box-shadow: var(--io-shadow);
  transition: transform .15s, border-color .15s;
}
.io-card:hover { transform: translateY(-2px); border-color: var(--io-violet); text-decoration: none; }
.io-card-title { display: flex; align-items: center; gap: 10px; }
.io-card-initial {
  flex: 0 0 38px; width: 38px; height: 38px; border-radius: 10px;
  background: var(--io-violet); color: #fff; font-weight: 700; font-size: 1.05rem;
  display: grid; place-items: center; text-transform: uppercase;
}
.io-card-icon {
  flex: 0 0 38px; width: 38px; height: 38px; border-radius: 10px;
  object-fit: contain; background: #fff; border: 1px solid var(--io-line); padding: 3px;
}
.io-card h3 { margin: 0; font-size: 1.05rem; line-height: 1.25; }
.io-card p { margin: 0; color: var(--io-muted); font-size: .92rem; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.io-card-meta { margin-top: auto; padding-top: 8px; font-size: .8rem; color: var(--io-muted); display: flex; justify-content: space-between; gap: 8px; }
.io-card-meta code { background: transparent; padding: 0; color: var(--io-muted); }

.io-empty { color: var(--io-muted); text-align: center; padding: 32px 0; }

/* Rodapé */
.io-footer { border-top: 1px solid var(--io-line); padding: 22px 24px 32px; text-align: center; color: var(--io-muted); font-size: .86rem; }
.io-footer p { margin: 4px 0; }

@media (max-width: 640px) {
  .io-header { padding: 12px 16px; }
  .io-brand { display: none; }
  .io-nav { gap: 6px; margin-left: auto; }
  .io-btn { padding: 6px 10px; font-size: .85rem; }
  .io-btn span { display: none; }
  .io-title { font-size: 1rem; }
  .io-main { padding: 20px 16px 36px; }
  .io-search input { font-size: 1rem; padding-left: 44px; }
}