/* ==========================================================================
   Abre.bio Docs — Design System Tokens
   ========================================================================== */
:root {
  --brand: 292 84% 61%;

  --primary: 293 69% 49%;
  --primary-hover: 292 84% 61%;
  --primary-active: 295 72% 40%;
  --primary-foreground: 0 0% 100%;

  --secondary: 188 86% 53%;
  --secondary-strong: 192 91% 36%;
  --secondary-foreground: 0 0% 9%;

  --tertiary: 48 96% 53%;
  --tertiary-foreground: 0 0% 9%;

  --background: 0 0% 98%;
  --foreground: 0 0% 9%;

  --surface: 0 0% 100%;
  --surface-foreground: 0 0% 9%;

  --muted: 0 0% 96%;
  --muted-foreground: 0 0% 32%;

  --border: 0 0% 90%;
  --input: 0 0% 84%;

  --success: 142 71% 45%;
  --warning: 38 92% 50%;
  --destructive: 0 84% 60%;

  --radius-sm: 4px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --font-head: 'Poppins', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Nunito', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'Space Mono', 'SFMono-Regular', Consolas, monospace;

  --shadow-sm: 0 1px 3px rgb(0 0 0 / 0.06), 0 1px 2px rgb(0 0 0 / 0.04);
  --shadow-md: 0 4px 6px rgb(0 0 0 / 0.07), 0 2px 4px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 25px rgb(0 0 0 / 0.10), 0 6px 10px rgb(0 0 0 / 0.06);

  --sidebar-w: 300px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: hsl(var(--primary)); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 700; line-height: 1.25; margin: 0 0 12px; color: hsl(var(--foreground)); }
h1 { font-size: 40px; font-weight: 700; }
h2 { font-size: 32px; }
h3 { font-size: 24px; font-weight: 600; }
p { margin: 0 0 16px; color: hsl(var(--muted-foreground)); }
code, pre, .mono { font-family: var(--font-mono); font-size: 14px; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 999;
  background: hsl(var(--primary)); color: #fff; padding: 10px 16px; border-radius: var(--radius-sm);
}
.skip-link:focus { left: 12px; top: 12px; }

button { font-family: var(--font-body); cursor: pointer; }

:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px hsl(var(--primary) / 0.35);
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Layout shell
   ========================================================================== */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: hsl(var(--surface));
  border-right: 1px solid hsl(var(--border));
  padding: 24px 16px 100px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 20px; }
.sidebar-brand img.brand-logo { width: auto; height: 26px; }
.sidebar-brand span { font-family: var(--font-head); font-weight: 800; font-size: 20px; }
.sidebar-brand .brand-tag { font-family: var(--font-body); font-weight: 700; font-size: 12px; letter-spacing: .04em; text-transform: uppercase; color: hsl(var(--muted-foreground)); background: hsl(var(--surface-alt, 0 0% 96%)); border: 1px solid hsl(var(--border)); border-radius: 999px; padding: 3px 9px; }

.sidebar-search { position: relative; margin: 0 4px 20px; }
.sidebar-search input {
  width: 100%; height: 44px; border-radius: var(--radius-md);
  border: 1px solid hsl(var(--input)); padding: 0 16px 0 40px;
  font-size: 14px; background: hsl(var(--muted));
  color: hsl(var(--foreground));
}
.sidebar-search input:focus-visible { border-color: hsl(var(--primary)); box-shadow: 0 0 0 3px hsl(var(--primary) / 0.15); }
.sidebar-search svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); opacity: .5; }

.nav-group { margin-bottom: 8px; }
.nav-group-title {
  font-family: var(--font-body); font-size: 11px; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: hsl(var(--muted-foreground)); padding: 16px 12px 8px;
}
.nav-link {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--radius-md);
  font-size: 14px; font-weight: 600; color: hsl(var(--foreground)); border-left: 3px solid transparent;
}
.nav-link:hover { background: hsl(var(--muted)); text-decoration: none; }
.nav-link.active { background: hsl(var(--primary) / 0.08); color: hsl(var(--primary-active)); border-left-color: hsl(var(--primary)); }
.nav-link .status-dot { margin-left: auto; width: 8px; height: 8px; border-radius: 999px; flex-shrink: 0; }

.mobile-topbar { display: none; }

.main { flex: 1; min-width: 0; }
.container { max-width: 920px; margin: 0 auto; padding: 56px 24px 96px; }

.breadcrumbs { font-size: 13px; color: hsl(var(--muted-foreground)); margin-bottom: 16px; }
.breadcrumbs a { color: hsl(var(--muted-foreground)); }
.breadcrumbs a:hover { color: hsl(var(--primary)); }

/* ==========================================================================
   Hero / home
   ========================================================================== */
.hero {
  background: linear-gradient(135deg, hsl(var(--primary)) 0%, hsl(292 84% 61%) 45%, hsl(var(--secondary)) 130%);
  border-radius: var(--radius-xl);
  padding: 56px 40px;
  color: #fff;
  margin-bottom: 40px;
}
.hero .eyebrow {
  display: inline-block; background: rgb(255 255 255 / 0.18); padding: 6px 14px; border-radius: var(--radius-full);
  font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 16px;
}
.hero h1 { color: #fff; font-size: 42px; margin-bottom: 12px; }
.hero p { color: rgb(255 255 255 / 0.9); font-size: 18px; max-width: 640px; }
.hero-search { margin-top: 24px; max-width: 480px; position: relative; }
.hero-search input {
  width: 100%; height: 52px; border-radius: var(--radius-full); border: none; padding: 0 20px 0 48px;
  font-size: 16px; box-shadow: var(--shadow-lg);
}
.hero-search svg { position: absolute; left: 18px; top: 50%; transform: translateY(-50%); opacity: .5; }
.hero-meta { display: flex; gap: 20px; margin-top: 24px; font-size: 13px; color: rgb(255 255 255 / 0.85); flex-wrap: wrap; }

.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 40px; }
.stat-card { background: hsl(var(--surface)); border: 1px solid hsl(var(--border)); border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow-sm); }
.stat-card .num { font-family: var(--font-head); font-size: 28px; font-weight: 800; color: hsl(var(--primary-active)); }
.stat-card .label { font-size: 13px; color: hsl(var(--muted-foreground)); margin-top: 4px; }

.card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 40px; }
.card {
  background: hsl(var(--surface)); border: 1px solid hsl(var(--border)); border-radius: var(--radius-lg);
  padding: 22px; box-shadow: var(--shadow-sm); transition: box-shadow .2s ease, transform .2s ease;
}
a.card { display: block; color: hsl(var(--foreground)); }
a.card:hover { text-decoration: none; box-shadow: 0 8px 20px hsl(var(--brand) / 0.15); transform: translateY(-2px); }
.card .icon {
  width: 40px; height: 40px; border-radius: var(--radius-md); background: hsl(var(--primary) / 0.1);
  color: hsl(var(--primary-active)); display: flex; align-items: center; justify-content: center; margin-bottom: 14px; font-size: 18px;
}
.card h3 { font-size: 17px; margin-bottom: 6px; }
.card p { font-size: 14px; margin-bottom: 10px; }

/* ==========================================================================
   Badges de status
   ========================================================================== */
.badge {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700;
  padding: 4px 10px; border-radius: var(--radius-full); white-space: nowrap;
}
.badge-verificado { background: hsl(var(--success) / 0.12); color: hsl(142 71% 30%); }
.badge-parcial { background: hsl(var(--secondary) / 0.15); color: hsl(var(--secondary-strong)); }
.badge-inferido { background: hsl(var(--tertiary) / 0.25); color: hsl(38 70% 30%); }
.badge-nao-testado { background: hsl(var(--destructive) / 0.1); color: hsl(0 65% 42%); }

/* ==========================================================================
   Callouts
   ========================================================================== */
.callout { display: flex; gap: 12px; padding: 16px 18px; border-radius: var(--radius-md); margin: 20px 0; border: 1px solid transparent; }
.callout .callout-icon { flex-shrink: 0; font-size: 18px; line-height: 1; }
.callout p, .callout strong { margin: 0; }
.callout-info { background: hsl(var(--secondary) / 0.08); border-color: hsl(var(--secondary) / 0.3); }
.callout-tip { background: hsl(var(--primary) / 0.06); border-color: hsl(var(--primary) / 0.25); }
.callout-warning { background: hsl(var(--tertiary) / 0.15); border-color: hsl(var(--tertiary) / 0.4); }
.callout-success { background: hsl(var(--success) / 0.08); border-color: hsl(var(--success) / 0.3); }
.callout-danger { background: hsl(var(--destructive) / 0.08); border-color: hsl(var(--destructive) / 0.3); }

/* ==========================================================================
   Conteúdo de funcionalidade
   ========================================================================== */
.feature-header { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }
.feature-path { font-family: var(--font-mono); font-size: 13px; background: hsl(var(--muted)); padding: 8px 14px; border-radius: var(--radius-sm); display: inline-block; margin: 8px 0 24px; }

table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid hsl(var(--border)); vertical-align: top; }
th { font-family: var(--font-head); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: hsl(var(--muted-foreground)); }
.table-scroll { overflow-x: auto; border: 1px solid hsl(var(--border)); border-radius: var(--radius-md); }
.table-scroll table { margin: 0; }
.table-scroll th, .table-scroll td { border-bottom: 1px solid hsl(var(--border)); white-space: nowrap; }

.steps { list-style: none; margin: 0 0 24px; padding: 0; counter-reset: step; }
.steps li {
  position: relative; padding: 4px 0 24px 44px; border-left: 2px solid hsl(var(--border)); margin-left: 15px;
}
.steps li:last-child { border-color: transparent; padding-bottom: 4px; }
.steps li::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: -15px; top: 0; width: 30px; height: 30px; border-radius: 50%;
  background: hsl(var(--primary)); color: #fff; font-family: var(--font-head); font-weight: 700;
  display: flex; align-items: center; justify-content: center; font-size: 14px;
}
.steps h4 { margin: 0 0 6px; font-size: 16px; }

.shot {
  border: 1px solid hsl(var(--border)); border-radius: var(--radius-lg); overflow: hidden; margin: 16px 0 24px;
  box-shadow: var(--shadow-sm); cursor: zoom-in; background: hsl(var(--muted));
}
.shot img { width: 100%; }
.shot-caption { font-size: 13px; color: hsl(var(--muted-foreground)); padding: 10px 14px; border-top: 1px solid hsl(var(--border)); background: hsl(var(--surface)); }

.controls-list { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 10px; }
.controls-list li { background: hsl(var(--muted)); border-radius: var(--radius-md); padding: 12px 16px; font-size: 14px; }
.controls-list b { font-family: var(--font-head); font-weight: 600; }

.prevnext { display: flex; justify-content: space-between; gap: 16px; margin-top: 48px; padding-top: 24px; border-top: 1px solid hsl(var(--border)); }
.prevnext a { font-size: 14px; font-weight: 700; }
.prevnext .dir { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: hsl(var(--muted-foreground)); font-weight: 700; margin-bottom: 2px; }

.back-module { display: inline-block; margin-bottom: 24px; font-size: 13px; font-weight: 700; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; gap: 8px; height: 44px; padding: 0 24px;
  border-radius: var(--radius-full); font-weight: 700; font-size: 14px; border: none;
}
.btn-primary { background: hsl(var(--primary)); color: #fff; }
.btn-primary:hover { background: hsl(var(--primary-hover)); text-decoration: none; }
.btn-primary:active { background: hsl(var(--primary-active)); }
.btn-ghost { background: transparent; border: 2px solid hsl(var(--primary)); color: hsl(var(--primary)); }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-item { border: 1px solid hsl(var(--border)); border-radius: var(--radius-md); margin-bottom: 10px; overflow: hidden; }
.faq-q {
  width: 100%; text-align: left; background: hsl(var(--surface)); border: none; padding: 16px 18px;
  font-family: var(--font-head); font-weight: 600; font-size: 15px; display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.faq-q:hover { background: hsl(var(--muted)); }
.faq-a { padding: 0 18px; max-height: 0; overflow: hidden; transition: max-height .2s ease, padding .2s ease; font-size: 14px; }
.faq-item.open .faq-a { padding: 0 18px 16px; max-height: 400px; }
.faq-q .chev { transition: transform .2s ease; }
.faq-item.open .faq-q .chev { transform: rotate(180deg); }

/* ==========================================================================
   Search results overlay
   ========================================================================== */
.search-results {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0; background: hsl(var(--surface));
  border: 1px solid hsl(var(--border)); border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  max-height: 360px; overflow-y: auto; z-index: 40; display: none;
}
.search-results.show { display: block; }
.search-results a { display: block; padding: 12px 16px; border-bottom: 1px solid hsl(var(--border)); color: hsl(var(--foreground)); }
.search-results a:hover { background: hsl(var(--muted)); text-decoration: none; }
.search-results .sr-title { font-weight: 700; font-size: 14px; }
.search-results .sr-module { font-size: 12px; color: hsl(var(--muted-foreground)); }
.search-empty { padding: 16px; font-size: 14px; color: hsl(var(--muted-foreground)); }

/* ==========================================================================
   Lightbox
   ========================================================================== */
.lightbox {
  position: fixed; inset: 0; background: rgb(0 0 0 / 0.82); display: none; align-items: center; justify-content: center;
  z-index: 100; padding: 40px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: min(1000px, 100%); max-height: 88vh; border-radius: var(--radius-md); box-shadow: var(--shadow-lg); }
.lightbox-close {
  position: absolute; top: 20px; right: 24px; background: rgb(255 255 255 / 0.12); border: none; color: #fff;
  width: 40px; height: 40px; border-radius: 50%; font-size: 20px;
}
.lightbox-close:hover { background: rgb(255 255 255 / 0.25); }
.lightbox-caption { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); color: #fff; font-size: 13px; opacity: .8; }

/* ==========================================================================
   Back to top
   ========================================================================== */
.to-top {
  position: fixed; right: 24px; bottom: 24px; width: 46px; height: 46px; border-radius: 50%;
  background: hsl(var(--primary)); color: #fff; border: none; box-shadow: var(--shadow-md);
  display: none; align-items: center; justify-content: center; font-size: 18px; z-index: 30;
}
.to-top.show { display: flex; }

footer.site-footer { text-align: center; padding: 40px 24px; font-size: 13px; color: hsl(var(--muted-foreground)); border-top: 1px solid hsl(var(--border)); margin-top: 48px; }

/* ==========================================================================
   Coverage bar (home)
   ========================================================================== */
.coverage { background: hsl(var(--surface)); border: 1px solid hsl(var(--border)); border-radius: var(--radius-lg); padding: 24px; margin-bottom: 40px; }
.coverage-bar { height: 10px; border-radius: 999px; background: hsl(var(--muted)); overflow: hidden; display: flex; margin: 12px 0; }
.coverage-bar span { height: 100%; }
.coverage-legend { display: flex; gap: 18px; flex-wrap: wrap; font-size: 13px; color: hsl(var(--muted-foreground)); }
.coverage-legend .dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 900px) {
  .sidebar { position: fixed; left: 0; top: 0; z-index: 60; transform: translateX(-100%); transition: transform .2s ease; box-shadow: var(--shadow-lg); }
  .sidebar.open { transform: translateX(0); }
  .mobile-topbar {
    display: flex; align-items: center; gap: 12px; height: 60px; padding: 0 16px; position: sticky; top: 0; z-index: 50;
    background: hsl(var(--surface)); border-bottom: 1px solid hsl(var(--border));
  }
  .mobile-topbar button { background: none; border: none; font-size: 22px; padding: 8px; }
  .mobile-topbar .sidebar-brand { padding: 0; }
  .sidebar-backdrop { display: none; position: fixed; inset: 0; background: rgb(0 0 0 / .4); z-index: 55; }
  .sidebar-backdrop.show { display: block; }
  .container { padding: 32px 18px 64px; }
  .hero { padding: 32px 22px; }
  .hero h1 { font-size: 30px; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .card-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}