@import url("tokens.css");

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background .2s ease, color .2s ease;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.4rem, 2.5vw, 1.9rem); margin-bottom: var(--space-4); }
h3 { font-size: 1.15rem; }

p { color: var(--text-muted); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; gap: var(--space-5);
}
.logo {
  display: flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
}
.logo .mark {
  width: 30px; height: 30px; border-radius: 9px;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  color: white; font-family: var(--font-mono); font-weight: 700; font-size: 0.95rem;
}
.main-nav { display: flex; gap: var(--space-6); align-items: center; }
.main-nav a { font-size: 0.92rem; color: var(--text-muted); font-weight: 500; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--text); }
.header-actions { display: flex; align-items: center; gap: var(--space-3); }

.theme-toggle {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--surface-raised);
  display: flex; align-items: center; justify-content: center; color: var(--text);
}
.nav-toggle { display: none; }

@media (max-width: 860px) {
  .main-nav { position: fixed; inset: 68px 0 0 0; background: var(--bg); flex-direction: column;
    padding: var(--space-6) var(--space-5); align-items: flex-start; gap: var(--space-5);
    transform: translateY(-8px); opacity: 0; pointer-events: none; transition: .18s ease; }
  .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .main-nav a { font-size: 1.1rem; }
  .nav-toggle { display: flex; width: 38px; height: 38px; align-items: center; justify-content: center;
    border: 1px solid var(--border); border-radius: 9px; background: var(--surface-raised); }
}

/* ---------- Hero / busca (elemento assinatura) ---------- */
.hero { padding: var(--space-9) 0 var(--space-7); }
.hero-inner { max-width: 760px; margin-inline: auto; text-align: center; }
.hero p.lead { max-width: 560px; margin: var(--space-4) auto var(--space-7); font-size: 1.05rem; }

.command-search {
  position: relative;
  display: flex; align-items: center; gap: var(--space-3);
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-mono);
  text-align: left;
}
.command-search .prompt { color: var(--accent-strong); font-weight: 600; }
.command-search input {
  flex: 1; border: none; background: transparent; outline: none;
  font-family: var(--font-mono); font-size: 1rem; color: var(--text);
}
.command-search input::placeholder { color: var(--text-muted); }
.command-search .cursor {
  width: 2px; height: 1.1em; background: var(--accent);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.search-results {
  position: absolute; left: 0; right: 0; top: calc(100% + 8px);
  background: var(--surface-raised); border: 1px solid var(--border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  overflow: hidden; text-align: left; display: none; z-index: 40;
}
.search-results.open { display: block; }
.search-results a {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-3) var(--space-4); font-family: var(--font-body);
  font-size: 0.92rem; border-bottom: 1px solid var(--border);
}
.search-results a:last-child { border-bottom: none; }
.search-results a:hover { background: var(--accent-soft); }
.search-results .tag { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted); }
.search-empty { padding: var(--space-4); font-size: 0.9rem; color: var(--text-muted); }

/* ---------- Seções / grids ---------- */
section.block { padding: var(--space-7) 0; }
.block-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: var(--space-5); }
.block-head a.see-all { font-size: 0.85rem; color: var(--accent-strong); font-weight: 600; white-space: nowrap; }

.category-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: var(--space-4); }
.category-card {
  background: var(--surface-raised); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-2);
  box-shadow: var(--shadow-sm); transition: transform .15s ease, box-shadow .15s ease;
}
.category-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.category-card .icon {
  width: 38px; height: 38px; border-radius: var(--radius-sm); background: var(--accent-soft);
  color: var(--accent-strong); display: flex; align-items: center; justify-content: center;
}
.category-card h3 { font-size: 1rem; }
.category-card p { font-size: 0.85rem; margin: 0; }

.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--space-4); }
.tool-card {
  background: var(--surface-raised); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: var(--space-5); box-shadow: var(--shadow-sm); display: flex; flex-direction: column; gap: var(--space-3);
  transition: transform .15s ease, box-shadow .15s ease;
}
.tool-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.tool-card .row-top { display: flex; align-items: center; justify-content: space-between; }
.badge {
  font-family: var(--font-mono); font-size: 0.68rem; padding: 2px 8px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent-strong); text-transform: uppercase; letter-spacing: .05em;
}
.tool-card h3 { font-size: 1rem; }
.tool-card p { font-size: 0.87rem; margin: 0; flex: 1; }
.tool-card .go { font-size: 0.82rem; font-weight: 600; color: var(--accent-strong); }

/* ---------- Breadcrumb ---------- */
.breadcrumb { padding: var(--space-4) 0 0; font-size: 0.82rem; color: var(--text-muted); }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: var(--space-2); }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: var(--space-2); color: var(--border); }
.breadcrumb a:hover { color: var(--accent-strong); }

/* ---------- Página de ferramenta ---------- */
.tool-header { padding: var(--space-6) 0 var(--space-5); }
.tool-header .eyebrow { display: inline-block; margin-bottom: var(--space-2); }
.tool-header p.lead { max-width: 640px; font-size: 1.02rem; }

.tool-app {
  background: var(--surface-raised); border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); padding: var(--space-6); margin: var(--space-3) 0 var(--space-8);
}
.field-row { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-bottom: var(--space-4); }
.field { flex: 1; min-width: 180px; display: flex; flex-direction: column; gap: var(--space-2); }
.field label { font-size: 0.82rem; font-weight: 600; color: var(--text-muted); }
.field input[type="text"], .field input[type="number"], .field select, textarea {
  font-family: var(--font-mono); font-size: 0.95rem; padding: var(--space-3);
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface);
  color: var(--text); width: 100%;
}
textarea { min-height: 160px; resize: vertical; }
.field input[type="range"] { width: 100%; accent-color: var(--accent); }
.field.checkbox { flex-direction: row; align-items: center; gap: var(--space-2); }
.field.checkbox input { width: 18px; height: 18px; accent-color: var(--accent); }
.field.checkbox label { font-weight: 500; }

.btn {
  font-weight: 600; font-size: 0.9rem; border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-5); border: 1px solid transparent; display: inline-flex;
  align-items: center; gap: var(--space-2);
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost { background: var(--surface); border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-strong); }
.btn-row { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-top: var(--space-2); }

.output-box {
  margin-top: var(--space-5); background: var(--surface); border: 1px dashed var(--border);
  border-radius: var(--radius-md); padding: var(--space-5); font-family: var(--font-mono);
  font-size: 1.05rem; word-break: break-all; min-height: 60px; display: flex; align-items: center;
  justify-content: space-between; gap: var(--space-4);
}
.output-box .value { flex: 1; }
.output-box.status-valid { border-color: var(--ok-600); }
.output-box.status-invalid { border-color: var(--danger-600); }
.status-pill { font-family: var(--font-body); font-size: 0.78rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.status-pill.valid { background: color-mix(in srgb, var(--ok-600) 15%, transparent); color: var(--ok-600); }
.status-pill.invalid { background: color-mix(in srgb, var(--danger-600) 15%, transparent); color: var(--danger-600); }

.history-list { margin-top: var(--space-5); }
.history-list h4 { font-size: 0.85rem; color: var(--text-muted); margin-bottom: var(--space-2); }
.history-list ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-1); font-family: var(--font-mono); font-size: 0.85rem; }
.history-list li { display: flex; justify-content: space-between; padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); }
.history-list li:hover { background: var(--surface); }

/* ---------- Conteúdo SEO ---------- */
.content-block { padding: var(--space-4) 0; border-top: 1px solid var(--border); }
.content-block:first-of-type { border-top: none; }
.content-block h2 { display: flex; align-items: center; gap: var(--space-2); }
.content-block ul, .content-block ol { padding-left: 1.3em; color: var(--text-muted); display: flex; flex-direction: column; gap: var(--space-2); }
.content-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: var(--space-5); }

.faq-item { border-bottom: 1px solid var(--border); padding: var(--space-4) 0; }
.faq-item summary { cursor: pointer; font-weight: 600; font-family: var(--font-display); list-style: none; display: flex; justify-content: space-between; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--accent-strong); font-size: 1.3rem; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin-top: var(--space-3); }

.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap: var(--space-4); }

/* ---------- Ad slots ---------- */
.ad-slot {
  display: flex; align-items: center; justify-content: center;
  background: var(--surface); border: 1px dashed var(--border); border-radius: var(--radius-md);
  color: var(--text-muted); font-size: 0.78rem; font-family: var(--font-mono);
  min-height: var(--ad-min-height, 90px); margin: var(--space-6) 0;
}

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); background: var(--surface); margin-top: var(--space-9); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: var(--space-6); padding: var(--space-8) 0 var(--space-6); }
.footer-grid h4 { font-size: 0.85rem; margin-bottom: var(--space-3); }
.footer-grid ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.footer-grid a { font-size: 0.87rem; color: var(--text-muted); }
.footer-grid a:hover { color: var(--accent-strong); }
.footer-bottom { border-top: 1px solid var(--border); padding: var(--space-4) 0; font-size: 0.8rem; color: var(--text-muted);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-2); }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

.copy-toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--ink-900); color: #fff; padding: 10px 18px; border-radius: 999px;
  font-size: 0.85rem; opacity: 0; pointer-events: none; transition: .2s ease; z-index: 100;
}
.copy-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--accent); color: #fff;
  padding: 10px 16px; border-radius: 0 0 8px 0; z-index: 200;
}
.skip-link:focus { left: 0; }