/* ===== Design tokens (alinhados ao portfólio) ===== */
:root {
  --theme-color: #42b983;
  --theme-color-light: rgba(66, 185, 131, 0.15);
  --accent: #0e76a8;
  --bg: #ffffff;
  --card: #f9fafb;
  --text: #111827;
  --text-secondary: #6b7280;
  --border: #e5e7eb;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica,
    Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji';
  font-size: 16px;
  line-height: 1.7;
  transition: background-color 0.3s, color 0.3s;
}

.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 32px 24px 96px;
}

/* ===== Header ===== */
.doc-header {
  border-bottom: 2px solid var(--border);
  padding-bottom: 20px;
  margin-bottom: 28px;
}

.doc-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.doc-brand .logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--theme-color);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
}

.doc-brand .name {
  font-size: 18px;
  font-weight: 700;
}

.doc-header h1 {
  font-size: 1.9rem;
  margin: 6px 0 4px;
}

.doc-meta {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0;
}

/* ===== Conteúdo ===== */
h2 {
  font-size: 1.3rem;
  margin-top: 36px;
  margin-bottom: 10px;
  scroll-margin-top: 16px;
}

h3 {
  font-size: 1.05rem;
  margin-top: 22px;
  margin-bottom: 6px;
}

p,
li {
  color: var(--text);
}

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

a:hover {
  text-decoration: underline;
}

ul {
  padding-left: 22px;
}

li {
  margin-bottom: 6px;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

code {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.9em;
}

/* ===== Tabela ===== */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
  font-size: 14.5px;
}

th,
td {
  border: 1px solid var(--border);
  padding: 9px 12px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--card);
  font-weight: 700;
}

/* ===== Callout ===== */
.callout {
  border-left: 4px solid var(--theme-color);
  background: var(--theme-color-light);
  padding: 12px 16px;
  border-radius: 8px;
  margin: 18px 0;
}

.callout strong {
  color: inherit;
}

/* ===== Cards (index) ===== */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.app-card {
  display: block;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  background: var(--card);
  transition: transform 0.15s, box-shadow 0.2s, border-color 0.2s;
}

.app-card:hover {
  text-decoration: none;
  transform: translateY(-3px);
  border-color: var(--theme-color);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.08);
}

.app-card .app-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 4px;
}

.app-card .app-desc {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0;
}

/* ===== Footer ===== */
.doc-footer {
  margin-top: 48px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 13.5px;
}

/* ===== Botões flutuantes ===== */
.fab {
  position: fixed;
  z-index: 9999;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: none;
  color: #fff;
  cursor: pointer;
  font-size: 20px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  transition: transform 0.2s, box-shadow 0.2s, background 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.dark-toggle-btn {
  bottom: 24px;
  right: 24px;
  background: var(--theme-color);
}

.lang-toggle-btn {
  bottom: 84px;
  right: 24px;
  background: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* ===== Menu lateral (sidebar) ===== */
.menu-toggle-btn {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 9998;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
  transition: background 0.2s, transform 0.2s;
}

.menu-toggle-btn:hover {
  transform: scale(1.05);
  border-color: var(--theme-color);
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: 280px;
  max-width: 80vw;
  background: var(--bg);
  border-right: 1px solid var(--border);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.12);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

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

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-header .title {
  font-size: 16px;
  font-weight: 700;
}

.sidebar-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 8px;
}

.sidebar-close:hover {
  background: var(--card);
  color: var(--text);
}

.sidebar-nav {
  padding: 12px 14px;
}

.sidebar-project {
  margin-bottom: 14px;
}

.sidebar-project > .project-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  padding: 6px 10px;
}

.sidebar-nav a {
  display: block;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--text);
  font-size: 14.5px;
}

.sidebar-nav a:hover {
  text-decoration: none;
  background: var(--theme-color-light);
  color: var(--theme-color);
}

.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  z-index: 9999;
}

.sidebar-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* ===== Dark mode ===== */
body.dark-mode {
  --bg: #1e1e2e;
  --card: #252535;
  --text: #f0f0f0;
  --text-secondary: #a6adc8;
  --border: rgba(255, 255, 255, 0.12);
}

body.dark-mode a {
  color: #89dceb;
}

body.dark-mode a:hover {
  color: var(--theme-color);
}

body.dark-mode .doc-brand .logo {
  color: #fff;
}

body.dark-mode .dark-toggle-btn {
  background: #3b4252;
}

body.dark-mode .lang-toggle-btn {
  background: #1a5276;
}

body.dark-mode code {
  color: #f5c2e7;
}

/* ===== Responsivo ===== */
@media (max-width: 600px) {
  .container {
    padding: 24px 18px 96px;
  }

  .doc-header h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.15rem;
  }

  .fab {
    width: 44px;
    height: 44px;
    font-size: 18px;
  }

  .dark-toggle-btn {
    bottom: 16px;
    right: 16px;
  }

  .lang-toggle-btn {
    bottom: 70px;
    right: 16px;
    font-size: 12px;
  }
}