/* 
https://chatgpt.com/c/6970eb7d-f2d8-8332-95b0-7f08293bb0b9
Key Concept (Plain English)
	Mobile: content uses ~90–100% of screen width
	Desktop: content is constrained to ~960–1100px
	Sidebar remains usable but not overwhelming
 */
* {box-sizing: border-box;}

body {
  margin: 0;
  background-image: url("../images/pmetrics.jpg");
  background-repeat: repeat; 
  font-family: Georgia, "Times New Roman", serif;
  font-size:  100%; 
}

/* Hide checkbox */
#nav-toggle {display: none;}

/* HEADER */
.site-header {
  display: flex;
  align-items: center;
  background-color: rgb(226, 255, 226);  
  color: #222;
  padding: 1.25rem 2.5rem;
  margin: 10px 10px 10px 10px;
}

/* Hamburger ALWAYS visible on mobile */
.hamburger {
  font-size: 1.8rem;
  cursor: pointer;
  margin-right: 1rem;
  display: block;
}

.site-title {margin: 0; font-size: 1.2rem;}

/* Sidebar REMOVED by default on mobile */
.sidebar {display: none;}

/* Show sidebar ONLY when hamburger toggled */
#nav-toggle:checked + .site-header + .sidebar {
  display: block;
  position: fixed;
  top: 3.25rem;
  left: 0;
  width: 100%;
  background: #333;
  z-index: 10;
}

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

.sidebar a {
  display: block;
  padding: 1rem;
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid #444;
}

/* CONTENT */
.content {padding: 1rem;}
.content-inner {max-width: 100%;}