body {
    font-family: 'Kanit', sans-serif;
    background: #f4f4f4;
    margin: 0;
    padding: 0;
}

header {
  display: flex;
  align-items: center; 
  gap: 1rem; 
  padding-left: 50px; 
}

header img.logo {
  width: 80px; 
  height: auto;
}
header h1 {
    margin: 5px 0 0;
    color: #2d5e2f;
}
header h2 {
    margin: 0;
    font-size: 14px;
    color: #555;
}

main {
    display: flex;
    margin: 20px;
}

.menu a.disabled {
  color: gray;
  pointer-events: none; /* กดไม่ได้ */
  text-decoration: none;
}

aside {
    width: 250px;
    background: #2d5e2f;
    padding: 10px;
    color: white;
}
aside .menu {
    list-style: none;
    padding: 0;
}
aside .menu li {
    margin: 10px 0;
}
aside .menu li a {
    color: white;
    text-decoration: none;
    display: block;
    padding: 8px;
}
aside .menu li a:hover {
    background: #3d7e3d;
    border-radius: 5px;
}

.content {
    flex: 1;
    background: white;
    padding: 20px;
    margin-left: 15px;
    border-radius: 8px;
    box-shadow: 0 0 5px rgba(0,0,0,0.2);
}
.content h3 {
    border-bottom: 2px solid #2d5e2f;
    padding-bottom: 5px;
}
.announcement {
    background: #fbeaea;
    padding: 10px;
    margin-bottom: 10px;
    border-left: 5px solid #d33;
}

footer {
    text-align: center;
    padding: 10px;
    background: #2d5e2f;
    color: white;
}