/* ====== Tema geral (Branco & Laranja) ====== */
:root {
  --bg-body: #ffffff;
  --bg-elevated: #f8f8f8;
  --bg-sidebar: #ffffff;
  --bg-topbar: #ffffff;

  --border-color-soft: #e5e5e5;

  --text-main: #1f1f1f;
  --text-muted: #6f6f6f;

  --accent-orange: #ff8c1a;
  --accent-orange-soft: #ffb066;
  --accent-orange-strong: #ff6f00;

  --accent-link: #ff8c1a;

  --radius-lg: 16px;
  --transition-fast: 0.18s ease-out;

  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.08);
}

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

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg-body);
  color: var(--text-main);
}

/* ====== Layout principal ====== */
.layout {
  margin-left: 260px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.content {
  padding: 18px 22px 32px;
  max-width: 1080px;
}

/* ====== Sidebar ====== */
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 260px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color-soft);
  padding: 16px 14px 14px;
  display: flex;
  flex-direction: column;
  z-index: 1040;
  box-shadow: var(--shadow-soft);
  transform: translateX(0);
  transition: transform var(--transition-fast);
}

.sidebar-header {
  padding: 8px;
  border-radius: 12px;
  background: rgba(255, 140, 26, 0.08);
  margin-bottom: 12px;
}

.sidebar-logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(180deg, var(--accent-orange-strong), var(--accent-orange));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  font-size: 20px;
}

.sidebar-title {
  font-weight: 600;
  font-size: 14px;
}

.sidebar-subtitle {
  font-size: 11px;
  color: var(--text-muted);
}

.sidebar-nav {
  margin-top: 12px;
  flex: 1;
  overflow-y: auto;
}

.sidebar-section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 6px 8px 4px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 10px;
  font-size: 13px;
  color: var(--text-main);
  text-decoration: none;
  margin-bottom: 4px;
  transition: background var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
}

.sidebar-link:hover {
  background: rgba(255, 140, 26, 0.12);
  color: var(--accent-orange-strong);
}

.sidebar-link.active {
  background: linear-gradient(90deg, rgba(255, 140, 26, 0.25), rgba(255, 140, 26, 0.05));
  color: var(--accent-orange-strong);
  font-weight: 600;
  box-shadow: inset 3px 0 0 var(--accent-orange);
}

.sidebar-footer {
  padding-top: 10px;
  border-top: 1px solid var(--border-color-soft);
  font-size: 11px;
  color: var(--text-muted);
}

/* ====== Topbar ====== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  padding: 12px 22px;
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border-color-soft);
  box-shadow: var(--shadow-soft);
}

.topbar-path {
  font-size: 13px;
  color: var(--text-muted);
}

/* ====== Hero ====== */
.hero {
  margin-top: 12px;
  padding: 40px 24px 32px;
  border-radius: 24px;
  background: linear-gradient(
    135deg,
    rgba(255, 140, 26, 0.12),
    rgba(255, 140, 26, 0.03)
  );
  box-shadow: var(--shadow-soft);
}

.hero-eyebrow {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent-orange-strong);
}

.hero-title {
  margin: 6px 0 0;
  font-size: clamp(32px, 4vw, 44px);
  letter-spacing: 0.06em;
}

.hero-title span {
  display: block;
  margin-top: 8px;
  font-size: 0.85em;
  color: var(--accent-orange-strong);
}

.hero-subtitle {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 14px;
}

/* ====== Cards ====== */
.card-section {
  background: #ffffff;
  border-radius: 18px;
  border: 1px solid var(--border-color-soft);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card-section:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.12);
}

.card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.card-link-label {
  font-size: 12px;
  color: var(--accent-link);
}

/* ====== Chips ====== */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 140, 26, 0.15);
  color: var(--accent-orange-strong);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ====== Callouts ====== */
.callout {
  border-radius: 14px;
  padding: 14px 16px;
  background: #ffffff;
  border: 1px solid var(--border-color-soft);
  box-shadow: var(--shadow-soft);
}

/* ====== Artigos ====== */
.doc-article {
  background: #ffffff;
  border-radius: 18px;
  padding: 22px;
  border: 1px solid var(--border-color-soft);
  box-shadow: var(--shadow-soft);
}

.doc-title {
  font-size: 26px;
}

.doc-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.doc-section-title {
  font-size: 18px;
  margin-bottom: 8px;
}

.doc-code-block {
  margin: 10px 0 14px;
  background: #f6f6f6;
  border-radius: 10px;
  border: 1px solid #dddddd;
  padding: 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  overflow-x: auto;
}

/* ====== Utilidades ====== */
.text-orange {
  color: var(--accent-orange-strong) !important;
}

/* ====== Responsividade ====== */
@media (max-width: 991.98px) {
  .layout {
    margin-left: 0;
  }

  .sidebar {
    transform: translateX(-100%);
  }

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

  .content {
    padding: 16px 14px 24px;
  }
}