/* layout.css */

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:Arial, sans-serif;
}

body{
  background:#f4f8f4;
  color:#333;
  min-height:100vh;
}

/* Main Layout */
.layout{
  display:flex;
  min-height:100vh;
}

/* Sidebar */
.sidebar{
  width:240px;
  background:#146c43;
  color:white;
  padding:20px;
  position:fixed;
  top:0;
  left:0;
  height:100vh;
  overflow-y:auto;
}

.sidebar h2{
  margin-bottom:20px;
}

.sidebar button,
.sidebar a{
  display:block;
  width:100%;
  padding:10px;
  margin:6px 0;
  border:none;
  background:#198754;
  color:white;
  text-decoration:none;
  cursor:pointer;
  border-radius:6px;
  text-align:left;
}

.sidebar button:hover,
.sidebar a:hover{
  background:#145c3a;
}

/* Main Content */
.main-content{
  margin-left:240px;
  flex:1;
  display:flex;
  justify-content:center;
  align-items:flex-start;
  padding:40px 20px;
}

/* Centered Content Box */
.content{
  width:100%;
  max-width:1000px;
  background:white;
  padding:30px;
  border-radius:10px;
  box-shadow:0 2px 10px rgba(0,0,0,0.08);
}

.hidden{
  display:none;
}

/* Responsive */
@media (max-width:768px){

  .sidebar{
    width:200px;
  }

  .main-content{
    margin-left:200px;
    padding:20px;
  }

  .content{
    padding:20px;
  }
}

@media (max-width:600px){

  .layout{
    flex-direction:column;
  }

  .sidebar{
    position:relative;
    width:100%;
    height:auto;
  }

  .main-content{
    margin-left:0;
    padding:15px;
  }
}