/* ═══════════════════════════════════════════════════════════
   VUPI.US API — DOCUMENTAÇÃO
   Acessível · Responsivo · Dark mode
   ═══════════════════════════════════════════════════════════ */

/* ── Variáveis light ── */
:root {
  --bg:           #f8fafc;
  --bg-card:      #ffffff;
  --bg-sidebar:   #ffffff;
  --bg-topbar:    rgba(255,255,255,0.95);
  --bg-code:      #1e2433;
  --bg-code-inline:#eef2ff;
  --bg-tip:       #f0fdf4;
  --bg-warn:      #fffbeb;
  --bg-note:      #eff6ff;
  --border:       rgba(0,0,0,0.09);
  --border-code:  rgba(0,0,0,0.08);
  --text:         #0f172a;
  --text-sub:     #475569;
  --text-muted:   #64748b;
  --text-code:    #e2e8f0;
  --text-code-inline:#4338ca;
  --accent:       #4f46e5;
  --accent-light: rgba(79,70,229,0.10);
  --accent2:      #7c3aed;
  --success:      #16a34a;
  --warning:      #d97706;
  --danger:       #dc2626;
  --shadow:       0 2px 20px rgba(0,0,0,0.07);
  --shadow-card:  0 1px 8px rgba(0,0,0,0.06);
  --radius:       14px;
  --sidebar-w:    280px;
  --topbar-h:     68px;
  font-size: 18px;
}

/* ── Dark mode ── */
.dark {
  --bg:           #0b0d18;
  --bg-card:      #161929;
  --bg-sidebar:   #0d0f1a;
  --bg-topbar:    rgba(11,13,24,0.95);
  --bg-code:      #0d1117;
  --bg-code-inline:rgba(129,140,248,0.12);
  --bg-tip:       rgba(22,163,74,0.08);
  --bg-warn:      rgba(217,119,6,0.08);
  --bg-note:      rgba(79,70,229,0.08);
  --border:       rgba(255,255,255,0.08);
  --border-code:  rgba(255,255,255,0.06);
  --text:         #f1f5f9;
  --text-sub:     #94a3b8;
  --text-muted:   #64748b;
  --text-code:    #e2e8f0;
  --text-code-inline:#a5b4fc;
  --accent:       #818cf8;
  --accent-light: rgba(129,140,248,0.12);
  --accent2:      #a78bfa;
  --success:      #4ade80;
  --warning:      #fbbf24;
  --danger:       #f87171;
  --shadow:       0 2px 20px rgba(0,0,0,0.4);
  --shadow-card:  0 1px 8px rgba(0,0,0,0.3);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.7;
  min-height: 100vh;
  transition: background .2s, color .2s;
}

/* ── Topbar ── */
.docs-topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: var(--topbar-h);
  background: var(--bg-topbar);
  border-bottom: 1.5px solid var(--border);
  backdrop-filter: blur(14px);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px;
  box-shadow: var(--shadow);
}
.docs-topbar-left { display: flex; align-items: center; gap: 16px; }
.docs-logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: var(--text);
}
.docs-logo-icon {
  width: 42px; height: 42px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}
.docs-logo-name {
  font-size: 1.2rem; font-weight: 800; letter-spacing: -.01em;
}
.docs-logo-name span { color: var(--accent); }
.docs-version {
  font-size: 0.72rem; font-weight: 700; padding: 3px 10px;
  border-radius: 20px; background: var(--accent-light); color: var(--accent);
  border: 1px solid var(--accent);
}
.docs-topbar-right { display: flex; align-items: center; gap: 12px; }
.docs-theme-btn {
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--accent-light); border: 1.5px solid var(--border);
  color: var(--accent); font-size: 1.2rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all .15s;
}
.docs-theme-btn:hover { background: var(--accent); color: #fff; }
.docs-menu-btn {
  display: none; width: 46px; height: 46px; border-radius: 12px;
  background: var(--accent-light); border: 1.5px solid var(--border);
  color: var(--accent); font-size: 1.2rem; cursor: pointer;
  align-items: center; justify-content: center; transition: all .15s;
}
.docs-menu-btn:hover { background: var(--accent); color: #fff; }

/* ── Layout ── */
.docs-layout {
  display: flex;
  padding-top: var(--topbar-h);
  min-height: 100vh;
}

/* ── Sidebar ── */
.docs-sidebar {
  width: var(--sidebar-w); flex-shrink: 0;
  background: var(--bg-sidebar);
  border-right: 1.5px solid var(--border);
  position: fixed; top: var(--topbar-h); left: 0;
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto; padding: 24px 0 40px;
  transition: transform .25s;
  z-index: 100;
}
.docs-sidebar::-webkit-scrollbar { width: 4px; }
.docs-sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.docs-nav-section { margin-bottom: 8px; }
.docs-nav-label {
  font-size: 0.68rem; font-weight: 800; letter-spacing: .1em;
  text-transform: uppercase; color: var(--text-muted);
  padding: 12px 22px 6px; display: block;
}
.docs-nav-link {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 22px; font-size: 1rem; font-weight: 600;
  color: var(--text-sub); text-decoration: none;
  border-left: 3px solid transparent;
  transition: all .15s; cursor: pointer;
}
.docs-nav-link i { width: 22px; text-align: center; font-size: 1.05rem; flex-shrink: 0; }
.docs-nav-link:hover { background: var(--accent-light); color: var(--accent); border-left-color: var(--accent); }
.docs-nav-link.active { background: var(--accent-light); color: var(--accent); border-left-color: var(--accent); font-weight: 700; }
.docs-nav-sub { padding-left: 20px; }
.docs-nav-sub .docs-nav-link { font-size: 0.92rem; padding: 8px 22px 8px 16px; }

/* ── Main content ── */
.docs-main {
  flex: 1;
  margin-left: var(--sidebar-w);
  padding: 48px 56px 80px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center; /* centraliza horizontalmente */
}

/* ── Page ── */
.docs-page { display: none; width: 100%; }
.docs-page.active {
  display: block;
  width: 100%;
  max-width: 860px;
}

/* ── Headings ── */
.docs-main h1 {
  font-size: 2.2rem; font-weight: 900; color: var(--text);
  margin-bottom: 12px; line-height: 1.2;
  letter-spacing: -.02em;
}
.docs-main h2 {
  font-size: 1.55rem; font-weight: 800; color: var(--text);
  margin: 48px 0 16px; padding-top: 8px;
  border-top: 1.5px solid var(--border);
  scroll-margin-top: 90px;
}
.docs-main h2:first-of-type { border-top: none; margin-top: 32px; }
.docs-main h3 {
  font-size: 1.2rem; font-weight: 700; color: var(--text);
  margin: 32px 0 12px; scroll-margin-top: 90px;
}
.docs-main h4 {
  font-size: 1rem; font-weight: 700; color: var(--text-sub);
  margin: 20px 0 8px; text-transform: uppercase; letter-spacing: .05em;
}

/* ── Paragraphs ── */
.docs-main p { margin-bottom: 16px; color: var(--text-sub); font-size: 1.05rem; }
.docs-main p strong { color: var(--text); }
.docs-main a { color: var(--accent); text-decoration: none; font-weight: 600; }
.docs-main a:hover { text-decoration: underline; }

/* ── Page intro ── */
.docs-page-intro {
  display: flex; align-items: flex-start; gap: 20px;
  padding: 28px; border-radius: var(--radius);
  background: var(--accent-light); border: 1.5px solid var(--accent);
  margin-bottom: 40px;
}
.docs-page-intro-icon {
  width: 56px; height: 56px; border-radius: 14px; flex-shrink: 0;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
}
.docs-page-intro h1 { margin: 0 0 6px; font-size: 1.8rem; }
.docs-page-intro p  { margin: 0; font-size: 1rem; }

/* ── Code blocks ── */
.code-block {
  position: relative; margin: 20px 0;
  border-radius: var(--radius); overflow: hidden;
  border: 1.5px solid var(--border-code);
  box-shadow: var(--shadow-card);
}
.code-block-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 18px; background: rgba(255,255,255,0.04);
  border-bottom: 1px solid var(--border-code);
}
.code-lang {
  font-size: 0.75rem; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--text-muted);
}
.code-copy-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 12px; border-radius: 8px; font-size: 0.82rem; font-weight: 600;
  background: var(--accent-light); border: 1px solid var(--accent);
  color: var(--accent); cursor: pointer; transition: all .15s;
}
.code-copy-btn:hover { background: var(--accent); color: #fff; }
.code-block pre {
  background: var(--bg-code); color: var(--text-code);
  padding: 22px 24px; overflow-x: auto; margin: 0;
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.92rem; line-height: 1.65;
}
code {
  background: var(--bg-code-inline); color: var(--text-code-inline);
  padding: 2px 8px; border-radius: 6px;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.88em; font-weight: 600;
}
pre code { background: none; color: inherit; padding: 0; font-size: inherit; font-weight: normal; }

/* ── Syntax highlight básico ── */
.kw  { color: #c792ea; }
.str { color: #c3e88d; }
.cm  { color: #546e7a; font-style: italic; }
.fn  { color: #82aaff; }
.cl  { color: #ffcb6b; }
.nb  { color: #f78c6c; }
.op  { color: #89ddff; }
.va  { color: #eeffff; }

/* ── Callouts ── */
.callout {
  display: flex; gap: 16px; padding: 18px 22px;
  border-radius: var(--radius); margin: 20px 0;
  border-left: 4px solid;
}
.callout-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; }
.callout-body { flex: 1; }
.callout-body strong { display: block; font-size: 1rem; margin-bottom: 4px; }
.callout-body p { margin: 0; font-size: 0.95rem; }
.callout.tip    { background: var(--bg-tip);  border-color: var(--success); }
.callout.tip    .callout-icon { color: var(--success); }
.callout.warn   { background: var(--bg-warn); border-color: var(--warning); }
.callout.warn   .callout-icon { color: var(--warning); }
.callout.note   { background: var(--bg-note); border-color: var(--accent); }
.callout.note   .callout-icon { color: var(--accent); }
.callout.danger { background: rgba(220,38,38,0.06); border-color: var(--danger); }
.callout.danger .callout-icon { color: var(--danger); }

/* ── Steps ── */
.steps { display: flex; flex-direction: column; gap: 0; margin: 24px 0; }
.step {
  display: flex; gap: 20px; padding-bottom: 32px;
  position: relative;
}
.step:last-child { padding-bottom: 0; }
.step::before {
  content: ''; position: absolute; left: 19px; top: 44px;
  width: 2px; height: calc(100% - 44px);
  background: var(--border);
}
.step:last-child::before { display: none; }
.step-num {
  width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 800; z-index: 1;
}
.step-body { flex: 1; padding-top: 6px; }
.step-body h3 { margin: 0 0 10px; font-size: 1.1rem; }
.step-body p  { margin: 0 0 12px; }

/* ── File tree ── */
.file-tree {
  background: var(--bg-code); border-radius: var(--radius);
  padding: 20px 24px; margin: 16px 0;
  font-family: 'JetBrains Mono', monospace; font-size: 0.9rem;
  border: 1.5px solid var(--border-code);
  overflow-x: auto;
  white-space: pre;
  line-height: 1.7;
  color: var(--text-code);
}
.file-tree .dir  { color: #82aaff; font-weight: 700; }
.file-tree .file { color: #c3e88d; }
.file-tree .note { color: #546e7a; font-style: italic; }

/* ── Table ── */
.docs-table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.95rem; }
.docs-table th {
  background: var(--accent-light); color: var(--accent);
  padding: 12px 16px; text-align: left; font-weight: 700;
  border-bottom: 2px solid var(--accent);
}
.docs-table td { padding: 12px 16px; border-bottom: 1px solid var(--border); color: var(--text-sub); }
.docs-table tr:hover td { background: var(--accent-light); }

/* ── Badge ── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 20px; font-size: 0.75rem; font-weight: 700;
}
.badge.get    { background: rgba(34,197,94,0.12);  color: #16a34a; }
.badge.post   { background: rgba(96,165,250,0.12); color: #2563eb; }
.badge.put    { background: rgba(245,158,11,0.12); color: #d97706; }
.badge.delete { background: rgba(239,68,68,0.12);  color: #dc2626; }
.badge.patch  { background: rgba(167,139,250,0.12);color: #7c3aed; }
.badge.auth   { background: rgba(79,70,229,0.12);  color: #4f46e5; }
.badge.pub    { background: rgba(22,163,74,0.12);  color: #16a34a; }

/* ── Kernel cards ── */
.kernel-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px; margin: 20px 0;
}
.kernel-card {
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 20px;
  box-shadow: var(--shadow-card); transition: border-color .15s;
}
.kernel-card:hover { border-color: var(--accent); }
.kernel-card-icon {
  width: 44px; height: 44px; border-radius: 12px; margin-bottom: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}
.kernel-card h3 { font-size: 1rem; font-weight: 800; margin-bottom: 6px; }
.kernel-card p  { font-size: 0.88rem; color: var(--text-muted); margin: 0; line-height: 1.5; }

/* ── Divider ── */
.docs-divider { border: none; border-top: 1.5px solid var(--border); margin: 40px 0; }

@media (max-width: 1024px) {
  .docs-main { padding: 36px 32px 60px; }
}
@media (max-width: 768px) {
  :root { font-size: 17px; }
  .docs-sidebar {
    transform: translateX(-100%);
    box-shadow: var(--shadow);
  }
  .docs-sidebar.open { transform: translateX(0); }
  .docs-main { margin-left: 0; padding: 24px 18px 60px; }
  .docs-menu-btn { display: flex; }
  .docs-topbar { padding: 0 16px; }
  .docs-main h1 { font-size: 1.7rem; }
  .docs-main h2 { font-size: 1.3rem; }
  .kernel-grid { grid-template-columns: 1fr; }
  .docs-page.active { max-width: 100%; }
}
@media (max-width: 480px) {
  .docs-page-intro { flex-direction: column; }
  .code-block pre { font-size: 0.82rem; padding: 16px; }
}

/* ── Sidebar overlay ── */
.docs-overlay {
  display: none; position: fixed; inset: 0; z-index: 99;
  background: rgba(0,0,0,0.5);
}
.docs-overlay.show { display: block; }

/* ── Scroll to top ── */
.scroll-top {
  position: fixed; bottom: 28px; right: 28px; z-index: 300;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--accent); color: #fff; border: none;
  font-size: 1.1rem; cursor: pointer; box-shadow: var(--shadow);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.scroll-top.show { opacity: 1; pointer-events: auto; }
.scroll-top:hover { opacity: .85; }