/* ==========================================================================
   Oravel Academy — Design System
   Inspirado na linguagem visual da Apple (developer.apple.com / apple.com):
   tipografia SF, muito espaço em branco, cinzas neutros + um único azul de
   destaque, cantos arredondados, header translúcido com blur.
   ========================================================================== */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", ui-monospace, "Cascadia Code", Menlo, Consolas, monospace;

  /* Light mode */
  --bg: #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-tertiary: #fbfbfd;
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #86868b;
  --border: #d2d2d7;
  --border-soft: #e8e8ed;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --accent-soft: rgba(0, 113, 227, 0.1);
  --card-bg: #ffffff;
  --nav-bg: rgba(255, 255, 255, 0.8);
  --code-bg: #f5f5f7;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
  --radius: 18px;
  --radius-sm: 10px;
  --status-good: #1d8a3f;
  --status-warn: #b25000;
  --status-bad: #d70015;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --bg-secondary: #1d1d1f;
    --bg-tertiary: #131313;
    --text: #f5f5f7;
    --text-secondary: #a1a1a6;
    --text-tertiary: #86868b;
    --border: #424245;
    --border-soft: #2c2c2e;
    --accent: #2997ff;
    --accent-hover: #4dabff;
    --accent-soft: rgba(41, 151, 255, 0.15);
    --card-bg: #1d1d1f;
    --nav-bg: rgba(0, 0, 0, 0.72);
    --code-bg: #1d1d1f;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.55);
    --status-good: #32d74b;
    --status-warn: #ff9f0a;
    --status-bad: #ff453a;
  }
}

:root[data-theme="dark"] {
  --bg: #000000;
  --bg-secondary: #1d1d1f;
  --bg-tertiary: #131313;
  --text: #f5f5f7;
  --text-secondary: #a1a1a6;
  --text-tertiary: #86868b;
  --border: #424245;
  --border-soft: #2c2c2e;
  --accent: #2997ff;
  --accent-hover: #4dabff;
  --accent-soft: rgba(41, 151, 255, 0.15);
  --card-bg: #1d1d1f;
  --nav-bg: rgba(0, 0, 0, 0.72);
  --code-bg: #1d1d1f;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.55);
  --status-good: #32d74b;
  --status-warn: #ff9f0a;
  --status-bad: #ff453a;
}

:root[data-theme="light"] {
  --bg: #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-tertiary: #fbfbfd;
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #86868b;
  --border: #d2d2d7;
  --border-soft: #e8e8ed;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --accent-soft: rgba(0, 113, 227, 0.1);
  --card-bg: #ffffff;
  --nav-bg: rgba(255, 255, 255, 0.8);
  --code-bg: #f5f5f7;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
  --status-good: #1d8a3f;
  --status-warn: #b25000;
  --status-bad: #d70015;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

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

/* -------------------------------------------------------------------------
   Top navigation — sticky, translucent, blurred (Apple nav bar signature)
   ------------------------------------------------------------------------- */

.topnav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 52px;
  padding: 0 22px;
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border-soft);
}

.topnav-left { display: flex; align-items: center; gap: 8px; min-width: 0; }

.topnav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}

.topnav-brand .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.topnav-crumb {
  font-size: 13px;
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topnav-right { display: flex; align-items: center; gap: 18px; }

.topnav-link {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
}
.topnav-link:hover { color: var(--text); }

.menu-toggle {
  display: none;
  border: none;
  background: none;
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
  padding: 4px 8px;
}

/* -------------------------------------------------------------------------
   Layout shell: sidebar + content + (optional) right-hand "on this page"
   ------------------------------------------------------------------------- */

.shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  max-width: 1400px;
  margin: 0 auto;
}

.shell.with-toc { grid-template-columns: 260px minmax(0, 1fr) 220px; }

.sidebar {
  padding: 28px 18px 60px;
  border-right: 1px solid var(--border-soft);
  height: calc(100vh - 52px);
  position: sticky;
  top: 52px;
  overflow-y: auto;
}

.sidebar-search {
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text);
  font-size: 13px;
  font-family: var(--font-sans);
  margin-bottom: 22px;
}
.sidebar-search:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.sidebar-group { margin-bottom: 6px; }

.sidebar-group-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  padding: 14px 10px 6px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.35;
}

.sidebar-link .badge-soon {
  margin-left: auto;
  font-size: 9.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-tertiary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-soft);
  padding: 1px 6px;
  border-radius: 100px;
  flex-shrink: 0;
}

.sidebar-link:hover { background: var(--bg-secondary); color: var(--text); }

.sidebar-link.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.content {
  min-width: 0;
  padding: 40px 48px 100px;
}

.toc {
  padding: 28px 18px;
  position: sticky;
  top: 52px;
  height: fit-content;
  font-size: 12.5px;
}

.toc-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  margin-bottom: 10px;
}

.toc a {
  display: block;
  padding: 5px 0;
  color: var(--text-secondary);
  border-left: 2px solid var(--border-soft);
  padding-left: 12px;
  margin-left: -1px;
}
.toc a:hover { color: var(--text); border-left-color: var(--text-tertiary); }
.toc a.active { color: var(--accent); border-left-color: var(--accent); font-weight: 600; }

/* -------------------------------------------------------------------------
   Typography
   ------------------------------------------------------------------------- */

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 10px;
}

h1 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 16px;
}

h2 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 52px 0 16px;
  scroll-margin-top: 80px;
}

h3 {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 32px 0 12px;
  scroll-margin-top: 80px;
}

.lede {
  font-size: 20px;
  color: var(--text-secondary);
  line-height: 1.5;
  font-weight: 400;
  max-width: 700px;
}

p { font-size: 16px; color: var(--text); max-width: 720px; }
.content p, .content li { color: var(--text-secondary); }
.content li strong, .content p strong { color: var(--text); font-weight: 600; }

ul, ol { max-width: 720px; padding-left: 22px; }
li { margin-bottom: 6px; font-size: 15.5px; }

code {
  font-family: var(--font-mono);
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 5px;
  font-size: 0.88em;
  color: var(--text);
}

hr { border: none; border-top: 1px solid var(--border-soft); margin: 48px 0; }

/* -------------------------------------------------------------------------
   Components
   ------------------------------------------------------------------------- */

.pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 6px; }

.pill {
  font-size: 12.5px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 100px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-soft);
}
.pill.pill-role { background: var(--accent-soft); color: var(--accent); border-color: transparent; }

.callout {
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin: 20px 0;
  font-size: 14.5px;
  border: 1px solid var(--border-soft);
  background: var(--bg-secondary);
  max-width: 720px;
}
.callout-title { font-weight: 700; margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.callout p, .callout li { margin: 0; color: var(--text-secondary); }
.callout.tip { border-left: 3px solid var(--accent); }
.callout.warn { border-left: 3px solid var(--status-warn); }
.callout.who { border-left: 3px solid var(--status-good); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.card {
  display: block;
  border-radius: var(--radius);
  border: 1px solid var(--border-soft);
  background: var(--card-bg);
  padding: 22px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--border); }
.card-icon { font-size: 24px; margin-bottom: 10px; display: block; }
.card-title { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.card-desc { font-size: 13.5px; color: var(--text-secondary); line-height: 1.45; }
.card.disabled { opacity: 0.55; pointer-events: none; }

.steps { counter-reset: step; list-style: none; padding-left: 0; max-width: 720px; }
.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 40px;
  margin-bottom: 20px;
  font-size: 15.5px;
  color: var(--text-secondary);
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: -1px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

table { border-collapse: collapse; width: 100%; max-width: 760px; margin: 20px 0; font-size: 14px; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border-soft); }
th { color: var(--text-tertiary); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
td { color: var(--text-secondary); }
td strong { color: var(--text); }

.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.status-dot.good { background: var(--status-good); }
.status-dot.warn { background: var(--status-warn); }
.status-dot.bad { background: var(--status-bad); }

.see-also {
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid var(--border-soft);
}
.see-also-title { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-tertiary); margin-bottom: 14px; }
.see-also-links { display: flex; flex-wrap: wrap; gap: 10px; }
.see-also-links a {
  font-size: 13.5px;
  padding: 8px 14px;
  border-radius: 100px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-soft);
  color: var(--text);
}
.see-also-links a:hover { border-color: var(--accent); color: var(--accent); }

.breadcrumb { font-size: 13px; color: var(--text-tertiary); margin-bottom: 20px; }
.breadcrumb a { color: var(--text-tertiary); }
.breadcrumb a:hover { color: var(--accent); }

.footer {
  text-align: center;
  padding: 40px 20px;
  font-size: 12.5px;
  color: var(--text-tertiary);
  border-top: 1px solid var(--border-soft);
}

/* -------------------------------------------------------------------------
   Home / hero
   ------------------------------------------------------------------------- */

.hero {
  padding: 90px 48px 70px;
  text-align: center;
  border-bottom: 1px solid var(--border-soft);
  background: linear-gradient(180deg, var(--bg-tertiary), var(--bg) 70%);
}
.hero h1 { max-width: 780px; margin: 0 auto 18px; }
.hero .lede { margin: 0 auto 34px; }

.search-hero {
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--bg);
  box-shadow: var(--shadow);
}
.search-hero input {
  border: none;
  outline: none;
  background: none;
  font-size: 15px;
  color: var(--text);
  width: 100%;
  font-family: var(--font-sans);
}
.search-hero svg { flex-shrink: 0; color: var(--text-tertiary); }

.home-section { padding: 60px 48px; max-width: 1200px; margin: 0 auto; }
.home-section h2 { margin-top: 0; text-align: left; }

.stat-row { display: flex; gap: 40px; justify-content: center; flex-wrap: wrap; margin-top: 40px; }
.stat { text-align: center; }
.stat-num { font-size: 34px; font-weight: 700; letter-spacing: -0.02em; color: var(--text); }
.stat-label { font-size: 13px; color: var(--text-tertiary); }

/* -------------------------------------------------------------------------
   Responsive
   ------------------------------------------------------------------------- */

@media (max-width: 980px) {
  .shell, .shell.with-toc { grid-template-columns: 1fr; }
  .toc { display: none; }
  .sidebar {
    position: fixed;
    left: 0;
    top: 52px;
    width: 78vw;
    max-width: 320px;
    background: var(--bg);
    height: calc(100vh - 52px);
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 90;
    box-shadow: var(--shadow-lg);
  }
  .sidebar.open { transform: translateX(0); }
  .menu-toggle { display: inline-block; }
  .content { padding: 32px 22px 80px; }
  .hero { padding: 60px 22px 50px; }
  .home-section { padding: 44px 22px; }
  .topnav-crumb { display: none; }
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 52px 0 0 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 80;
}
.sidebar-backdrop.open { display: block; }