/**
 * docs-ide — shell de documentação Otter IDE / Connect AI
 * Referência de UI: Vercel (monocromo, hairline borders, sidebar limpa)
 */

:root {
  --di-header-h: 64px;
  --di-sidebar-w: 272px;
  --di-toc-w: 220px;
  --di-bg: #ffffff;
  --di-bg-muted: #fafafa;
  --di-bg-elevated: #ffffff;
  --di-border: #eaeaea;
  --di-border-strong: #d4d4d4;
  --di-text: #171717;
  --di-text-secondary: #666666;
  --di-text-muted: #999999;
  --di-hover: #f5f5f5;
  --di-active: #f0f0f0;
  --di-code-bg: #fafafa;
  --di-accent: #171717;
  --di-link: #0070f3;
  --di-success: #0070f3;
  --di-mono: "Geist Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --di-sans: "Inter", "Geist", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --di-radius: 8px;
  --di-radius-sm: 6px;
  --di-shadow-sm: 0 0 0 1px rgba(0, 0, 0, 0.03);
}

html[data-a21-doc-theme="dark"],
body.docs-ide.docs-ide--dark {
  --di-bg: #000000;
  --di-bg-muted: #0a0a0a;
  --di-bg-elevated: #111111;
  --di-border: #333333;
  --di-border-strong: #444444;
  --di-text: #ededed;
  --di-text-secondary: #a1a1a1;
  --di-text-muted: #666666;
  --di-hover: #111111;
  --di-active: #1a1a1a;
  --di-code-bg: #0a0a0a;
  --di-accent: #ededed;
  --di-link: #3291ff;
  --di-shadow-sm: 0 0 0 1px rgba(255, 255, 255, 0.06);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--di-header-h) + 1.25rem);
}

body.docs-ide {
  margin: 0;
  min-height: 100vh;
  font-family: var(--di-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--di-text-secondary);
  background: var(--di-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.docs-ide a {
  color: inherit;
}

body.docs-ide button {
  font-family: inherit;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
}

/* —— Header (Vercel top bar) —— */
.di-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--di-header-h);
  background: color-mix(in srgb, var(--di-bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--di-border);
}

.di-header-inner {
  height: 100%;
  max-width: 100%;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

@media (min-width: 768px) {
  .di-header-inner {
    padding: 0 1.5rem;
  }
}

.di-header-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.di-menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--di-radius-sm);
  border: 1px solid var(--di-border);
  color: var(--di-text);
}

.di-menu-btn:hover {
  background: var(--di-hover);
}

@media (min-width: 1024px) {
  .di-menu-btn {
    display: none;
  }
}

.di-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--di-text);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: -0.02em;
}

.di-brand img {
  width: 20px;
  height: 20px;
  object-fit: contain;
  display: block;
}

.di-brand-sep {
  width: 1px;
  height: 16px;
  background: var(--di-border);
  margin: 0 0.15rem;
}

.di-brand-product {
  font-weight: 500;
  color: var(--di-text-secondary);
}

.di-breadcrumb {
  display: none;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  color: var(--di-text-muted);
  margin-left: 0.25rem;
}

.di-breadcrumb .current {
  color: var(--di-text);
}

@media (min-width: 640px) {
  .di-breadcrumb {
    display: flex;
  }
}

.di-header-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.di-lang {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--di-text-muted);
  padding: 0 0.35rem;
}

.di-lang a {
  text-decoration: none;
  color: var(--di-text-muted);
}

.di-lang a:hover,
.di-lang a.is-active {
  color: var(--di-text);
}

/* Compat com toggle de idioma partilhado (doc-ref-lang-*) */
.di-lang .doc-ref-lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0;
}
.di-lang .doc-ref-lang-link {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--di-text-muted);
  text-decoration: none;
}
.di-lang .doc-ref-lang-link:hover,
.di-lang .doc-ref-lang-link.is-active {
  color: var(--di-text);
}
.di-lang .doc-ref-lang-sep {
  color: var(--di-text-muted);
  opacity: 0.5;
}

.di-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  height: 32px;
  padding: 0 0.75rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--di-border);
  color: var(--di-text);
  background: var(--di-bg);
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
  white-space: nowrap;
}

.di-btn:hover {
  background: var(--di-hover);
}

.di-btn--ghost {
  border-color: transparent;
  color: var(--di-text-secondary);
}

.di-btn--ghost:hover {
  color: var(--di-text);
  background: var(--di-hover);
}

.di-btn--primary {
  background: var(--di-text);
  color: var(--di-bg);
  border-color: var(--di-text);
}

.di-btn--primary:hover {
  background: var(--di-text);
  color: var(--di-bg);
  filter: brightness(1.08);
  opacity: 0.92;
}

.di-btn--icon {
  width: 32px;
  padding: 0;
}

.di-user {
  display: none;
  max-width: 120px;
  font-size: 0.75rem;
  color: var(--di-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (min-width: 900px) {
  .di-user {
    display: inline;
  }
}

/* —— Layout —— */
.di-shell {
  display: flex;
  min-height: 100vh;
  padding-top: var(--di-header-h);
}

/* —— Sidebar —— */
.di-sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(0, 0, 0, 0.4);
}

.di-sidebar-backdrop.is-open {
  display: block;
}

.di-sidebar {
  position: fixed;
  top: var(--di-header-h);
  left: 0;
  bottom: 0;
  width: var(--di-sidebar-w);
  z-index: 90;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--di-bg);
  border-right: 1px solid var(--di-border);
  transform: translateX(-100%);
  transition: transform 0.2s ease;
}

.di-sidebar-top {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1.25rem 0 1rem;
}

.di-sidebar-logo {
  width: 16px;
  height: 16px;
  object-fit: contain;
  display: block;
  border-radius: 3px;
}

/* SVG Otter é preto no ficheiro — força branco no dark; preto sólido no light */
.di-brand-logo,
.di-sidebar-logo {
  filter: brightness(0);
}
body.docs-ide--dark .di-brand-logo,
body.docs-ide--dark .di-sidebar-logo,
html[data-a21-doc-theme="dark"] .di-brand-logo,
html[data-a21-doc-theme="dark"] .di-sidebar-logo {
  filter: brightness(0) invert(1);
}

.di-sidebar-powered {
  flex: 0 0 auto;
  padding: 0.85rem 1.1rem 1.1rem;
  border-top: 1px solid var(--di-border);
  background: var(--di-bg);
}

.di-powered-link {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--di-text-muted);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.di-powered-link strong {
  font-weight: 650;
  color: var(--di-text-secondary);
}

.di-powered-link:hover {
  color: var(--di-text-secondary);
}

.di-powered-link:hover strong {
  color: var(--di-text);
}

.di-brand-logo {
  width: 22px;
  height: 22px;
  object-fit: contain;
  display: block;
  border-radius: 4px;
}

/* Secções dentro do wrapper do conteúdo (a21-doc-container) */
.di-content .a21-doc-container > section.di-section,
.di-content .a21-doc-container > section[id] {
  margin: 0;
  padding: 2.25rem 0 2.5rem;
  border-top: 1px solid var(--di-border);
  scroll-margin-top: calc(var(--di-header-h) + 0.75rem);
}
.di-content .a21-doc-container > section.di-section:first-child,
.di-content .a21-doc-container > section[id]:first-child {
  border-top: none;
  padding-top: 0.25rem;
}

.di-sidebar.is-open {
  transform: translateX(0);
}

@media (min-width: 1024px) {
  .di-sidebar {
    transform: none;
  }
  .di-sidebar-backdrop {
    display: none !important;
  }
}

.di-sidebar-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 1.25rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--di-text);
  letter-spacing: -0.01em;
}

.di-sidebar-label span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 4px;
  background: var(--di-bg-muted);
  border: 1px solid var(--di-border);
  font-size: 0.65rem;
}

.di-nav-section {
  margin: 1.15rem 0 0.35rem;
  padding: 0 1.25rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--di-text-muted);
}

.di-nav-section:first-of-type {
  margin-top: 0.25rem;
}

.di-nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 1px 0.65rem;
  padding: 0.4rem 0.6rem;
  border-radius: var(--di-radius-sm);
  font-size: 0.8125rem;
  font-weight: 450;
  color: var(--di-text-secondary);
  text-decoration: none;
  transition: background 0.1s ease, color 0.1s ease;
}

.di-nav-link:hover {
  background: var(--di-hover);
  color: var(--di-text);
}

.di-nav-link.is-active {
  background: var(--di-active);
  color: var(--di-text);
  font-weight: 550;
}

.di-nav-link svg {
  width: 14px;
  height: 14px;
  opacity: 0.55;
  flex-shrink: 0;
}

.di-nav-link.is-active svg {
  opacity: 0.9;
}

/* —— Main —— */
.di-main {
  flex: 1;
  min-width: 0;
  width: 100%;
}

@media (min-width: 1024px) {
  .di-main {
    margin-left: var(--di-sidebar-w);
  }
}

@media (min-width: 1280px) {
  .di-main {
    margin-right: var(--di-toc-w);
  }
}

.di-main-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 5rem;
}

@media (min-width: 768px) {
  .di-main-inner {
    padding: 3rem 2rem 6rem;
  }
}

.di-kicker {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--di-text-muted);
  letter-spacing: -0.01em;
}

.di-title {
  margin: 0 0 0.85rem;
  font-size: clamp(1.85rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.15;
  color: var(--di-text);
}

.di-lead {
  margin: 0 0 2rem;
  max-width: 40rem;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--di-text-secondary);
}

.di-lead strong {
  color: var(--di-text);
  font-weight: 600;
}

.di-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 2.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--di-border);
}

.di-chip {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--di-border);
  background: var(--di-bg-muted);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--di-text-secondary);
}

/* —— TOC (On this page) —— */
.di-toc {
  display: none;
  position: fixed;
  top: var(--di-header-h);
  right: 0;
  width: var(--di-toc-w);
  height: calc(100vh - var(--di-header-h));
  overflow-y: auto;
  padding: 2rem 1rem 2rem 0.75rem;
  border-left: 1px solid var(--di-border);
  background: var(--di-bg);
}

@media (min-width: 1280px) {
  .di-toc {
    display: block;
  }
}

.di-toc-title {
  margin: 0 0 0.75rem;
  padding-left: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--di-text-muted);
}

.di-toc a {
  display: block;
  padding: 0.28rem 0.5rem;
  border-left: 1px solid var(--di-border);
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--di-text-muted);
  text-decoration: none;
  transition: color 0.1s ease, border-color 0.1s ease;
}

.di-toc a:hover {
  color: var(--di-text);
}

.di-toc a.is-active {
  color: var(--di-text);
  border-left-color: var(--di-text);
  font-weight: 500;
}

/* —— Content —— */
.di-content {
  color: var(--di-text-secondary);
}

/* Secções planas: cada uma com âncora estável e separador visual */
.di-content > section.di-section,
.di-content > section[id] {
  margin: 0 0 0;
  padding: 2.25rem 0 2.5rem;
  border-top: 1px solid var(--di-border);
  scroll-margin-top: calc(var(--di-header-h) + 0.75rem);
}

.di-content > section.di-section:first-child,
.di-content > section[id]:first-child {
  border-top: none;
  padding-top: 0.25rem;
}

.di-content .di-note {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: var(--di-text-muted);
}

.di-content h2 {
  margin: 0 0 1rem;
  font-size: 1.5rem;
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.25;
  color: var(--di-text);
  scroll-margin-top: calc(var(--di-header-h) + 0.75rem);
}

.di-content h3 {
  margin: 1.75rem 0 0.65rem;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--di-text);
  scroll-margin-top: calc(var(--di-header-h) + 1.25rem);
}

.di-content h4 {
  margin: 1.35rem 0 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--di-text-muted);
}

.di-content p {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  line-height: 1.7;
}

.di-content p:last-child {
  margin-bottom: 0;
}

.di-content strong {
  color: var(--di-text);
  font-weight: 600;
}

.di-content a {
  color: var(--di-text);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  font-weight: 500;
}

.di-content a:hover {
  color: var(--di-link);
}

.di-content ul,
.di-content ol {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

.di-content li {
  margin: 0.4rem 0;
  font-size: 0.9375rem;
  line-height: 1.65;
}

.di-content li::marker {
  color: var(--di-text-muted);
}

.di-content code {
  font-family: var(--di-mono);
  font-size: 0.8125em;
  padding: 0.12em 0.35em;
  border-radius: 4px;
  background: var(--di-code-bg);
  border: 1px solid var(--di-border);
  color: var(--di-text);
}

.di-content pre {
  margin: 1rem 0;
  padding: 0.9rem 1rem;
  border-radius: var(--di-radius);
  border: 1px solid var(--di-border);
  background: var(--di-code-bg);
  overflow-x: auto;
}

.di-content pre code {
  padding: 0;
  border: none;
  background: transparent;
  font-size: 0.8rem;
  line-height: 1.55;
}

/* Cards / bordered boxes from content */
.di-content .rounded-2xl,
.di-content [class*="rounded-"] {
  border-radius: var(--di-radius) !important;
  border: 1px solid var(--di-border) !important;
  background: var(--di-bg-muted) !important;
  box-shadow: none !important;
}

.di-content .p-5,
.di-content .p-4 {
  padding: 1.15rem 1.25rem !important;
}

.di-content .mb-10,
.di-content .mb-12 {
  margin-bottom: 2rem !important;
}

.di-content .mb-6 {
  margin-bottom: 1.25rem !important;
}

.di-content .mt-2,
.di-content .mt-3,
.di-content .mt-4,
.di-content .mt-5,
.di-content .mt-6,
.di-content .mt-8 {
  /* keep spacing roughly */
}

.di-content .grid {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .di-content .sm\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.di-content .overflow-x-auto {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--di-radius);
  border: 1px solid var(--di-border);
  background: var(--di-bg);
}

.di-content table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.di-content thead {
  background: var(--di-bg-muted);
}

.di-content th {
  padding: 0.7rem 0.9rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--di-text);
  border-bottom: 1px solid var(--di-border);
}

.di-content td {
  padding: 0.7rem 0.9rem;
  text-align: left;
  color: var(--di-text-secondary);
  border-bottom: 1px solid var(--di-border);
  vertical-align: top;
}

.di-content tbody tr:last-child td {
  border-bottom: none;
}

.di-content tbody tr:hover td {
  background: var(--di-hover);
}

/* neutralize leftover zinc / dark: utility noise */
.di-content [class*="text-zinc"],
.di-content [class*="dark:text"],
.di-content .text-lg,
.di-content .text-base,
.di-content .text-sm,
.di-content .text-xs {
  color: inherit;
}

.di-content .text-3xl,
.di-content .text-xl {
  color: var(--di-text);
}

.di-content .font-bold,
.di-content .font-semibold {
  color: var(--di-text);
}

.di-content .bg-zinc-50,
.di-content .bg-zinc-50\/80,
.di-content [class*="bg-zinc"],
.di-content [class*="dark:bg"] {
  background: var(--di-bg-muted) !important;
}

.di-content [class*="border-zinc"],
.di-content [class*="dark:border"],
.di-content [class*="border-amber"] {
  border-color: var(--di-border) !important;
}

.di-content [class*="bg-amber"] {
  background: var(--di-bg-muted) !important;
}

.di-content .divide-y > :not([hidden]) ~ :not([hidden]),
.di-content [class*="divide-"] {
  border-color: var(--di-border);
}

.di-content .text-zinc-500,
.di-content .text-xs.text-zinc-500 {
  color: var(--di-text-muted) !important;
  font-size: 0.75rem;
}

/* Progress (minimal) */
.di-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 1px;
  width: 0;
  z-index: 110;
  background: var(--di-text);
  pointer-events: none;
}

/* Scrollbars */
.di-sidebar-top,
.di-toc {
  scrollbar-width: thin;
  scrollbar-color: var(--di-border) transparent;
}

/* Active nav: left tick like Vercel */
.di-nav-link.is-active {
  position: relative;
}
.di-nav-link.is-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 2px;
  border-radius: 1px;
  background: var(--di-text);
}

/* Focus mode: hide side chrome */
body.docs-ide.docs-ide--focus .di-sidebar,
body.docs-ide.docs-ide--focus .di-toc {
  display: none;
}

body.docs-ide.docs-ide--focus .di-main {
  margin-left: 0;
  margin-right: 0;
}

body.docs-ide.docs-ide--focus .di-main-inner {
  max-width: 48rem;
}

/* Utility hide on small */
@media (max-width: 639px) {
  .di-hide-sm {
    display: none !important;
  }
}