/* Variabili CSS per coerenza del design */
:root {
  --primary-color: #3498db;
  --secondary-color: #2980b9;
  --text-color: #333;
  --light-bg: #f8f9fa;
  --code-bg: #f1f1f1;
  --border-color: #e0e0e0;
  --navbar-width: 280px;
  --transition-speed: 0.3s;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Reset e stili di base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: #fff;
  display: flex;
  min-height: 100vh;
}

/* Stili della barra di navigazione */
#navbar {
  position: fixed;
  width: var(--navbar-width);
  height: 100vh;
  background-color: var(--light-bg);
  border-right: 1px solid var(--border-color);
  padding: 20px 0;
  overflow-y: auto;
  transition: transform var(--transition-speed);
  box-shadow: var(--shadow);
  z-index: 1000;
}

#navbar header {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  padding: 15px 25px;
  border-bottom: 2px solid var(--primary-color);
  margin-bottom: 20px;
  text-align: center;
}

.nav-link {
  display: block;
  padding: 12px 25px;
  color: var(--text-color);
  text-decoration: none;
  border-left: 4px solid transparent;
  transition: all var(--transition-speed);
  font-weight: 500;
}

.nav-link:hover {
  background-color: rgba(52, 152, 219, 0.1);
  border-left: 4px solid var(--primary-color);
  color: var(--primary-color);
}

.nav-link.active {
  background-color: rgba(52, 152, 219, 0.15);
  border-left: 4px solid var(--primary-color);
  color: var(--primary-color);
  font-weight: 600;
}

/* Stili del contenuto principale */
#main-doc {
  margin-left: var(--navbar-width);
  padding: 30px;
  flex: 1;
  max-width: 1200px;
}

.main-section {
  margin-bottom: 50px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--border-color);
}

.main-section:last-child {
  border-bottom: none;
}

.main-section header h2 {
  color: var(--primary-color);
  font-size: 2rem;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-color);
  display: inline-block;
}

.main-section p {
  margin-bottom: 15px;
  font-size: 1.05rem;
}

.main-section ul {
  margin: 20px 0;
  padding-left: 30px;
}

.main-section li {
  margin-bottom: 8px;
  position: relative;
}

.main-section li::before {
  content: "•";
  color: var(--primary-color);
  font-weight: bold;
  display: inline-block;
  width: 1em;
  margin-left: -1em;
}

/* Stili dei blocchi di codice */
code {
  display: block;
  background-color: var(--code-bg);
  padding: 15px;
  margin: 15px 0;
  border-radius: 5px;
  font-family: "Courier New", Courier, monospace;
  border-left: 4px solid var(--primary-color);
  overflow-x: auto;
  font-size: 0.95rem;
  box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.05);
}

/* Pulsante mobile per il menu */
.menu-toggle {
  display: none;
  position: fixed;
  top: 15px;
  right: 15px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 5px;
  padding: 8px 12px;
  cursor: pointer;
  z-index: 1001;
  box-shadow: var(--shadow);
}

/* Stili responsivi */
@media (max-width: 768px) {
  :root {
    --navbar-width: 250px;
  }

  body {
    flex-direction: column;
  }

  #navbar {
    transform: translateX(-100%);
    position: fixed;
    width: var(--navbar-width);
    height: 100%;
  }

  #navbar.active {
    transform: translateX(0);
  }

  #main-doc {
    margin-left: 0;
    padding: 20px;
    padding-top: 60px;
  }

  .menu-toggle {
    display: block;
  }

  .main-section header h2 {
    font-size: 1.6rem;
  }
}

/* Animazioni e transizioni */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.main-section {
  animation: fadeIn 0.5s ease-in-out;
}

/* Scrollbar personalizzata */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--light-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-color);
}