:root {
  --bg-color: #f9fafb;
  --text-color: #111827;
  --accent-color: #2563eb;
  --sidebar-width: 250px;
}

* {
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg-color);
  color: var(--text-color);
  display: flex;
  min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: var(--sidebar-width);
  background: white;
  border-right: 1px solid #e5e7eb;
  padding: 1rem;
  overflow-y: auto;
  transition: transform 0.3s ease-in-out;
}

.sidebar h2 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar li {
  margin: 0.5rem 0;
}

.sidebar a {
  text-decoration: none;
  color: var(--text-color);
  display: block;
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
}

.sidebar a:hover,
.sidebar a.active {
  background: var(--accent-color);
  color: white;
}

/* MAIN CONTENT */
.content {
  margin-left: var(--sidebar-width);
  padding: 2rem;
  flex: 1;
  max-width: 900px;
}

section {
  margin-bottom: 4rem;
}

section h2 {
  border-bottom: 2px solid var(--accent-color);
  padding-bottom: 0.4rem;
  margin-bottom: 1rem;
}

/* MOBILE STYLES */
.menu-toggle {
  display: none;
  position: fixed;
  top: 1rem;
  left: 1rem;
  background: var(--accent-color);
  color: white;
  border: none;
  padding: 0.5rem 0.8rem;
  font-size: 1.2rem;
  border-radius: 6px;
  cursor: pointer;
  z-index: 1000;
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    position: fixed;
    z-index: 999;
    background: white;
  }

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

  .content {
    margin-left: 0;
    padding-top: 4rem;
  }

  .menu-toggle {
    display: block;
  }
}
section img {
  max-width: 100%;
  height: auto;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
}
li.step {
  margin-bottom: 1.5rem;
}
li.step ol {
  margin-top: 0.5rem;
  margin-left: 1.5rem;
}
.steps .step {
  padding-top: 20px;
}
.mb-10 {
  margin-bottom: 10px;
}
.mt-10 {
  margin-top: 10px;
}