#tree-area {
    position: relative;
    width: 100%; /* Make sure it can expand fully */
    height: 100%; /* Set a height as needed */
    border: 1px solid #ccc; /* Add a border for visibility */
    overflow: hidden; /* Hide overflow to prevent scrollbars */
}

.node-in-tree {
    position: absolute;
    width: 40px; /* Width of nodes */
    height: 40px; /* Height of nodes */
    background-color: #4CAF50; /* Node color */
    border-radius: 20px; /* Circular nodes */
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-weight: bold;
    cursor: pointer;
}

.line-in-tree {
    position: absolute;
    height: 2px; /* Set line thickness */
    background-color: #000; /* Line color */
    transform-origin: 0 0; /* Set the origin for rotation */
}

.val-in-line {
    position: absolute;
    color: black;
    font-weight: bold;
}

.tree-inputs{
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.node-in-tree {
    position: absolute;
    width: 60px;
    height: 30px;
    background-color: lightblue;
    border: 1px solid #000;
    text-align: center;
    line-height: 30px;
    border-radius: 5px;
    cursor: pointer;
    z-index: 2;
}

.line-in-tree {
    position: absolute;
    height: 2px;
    background-color: black;
    z-index: 1;
}

.val-in-line {
    position: absolute;
    color: red;
    font-weight: bold;
    font-size: 18px;
    z-index: 3;
}

.transmitter {
    background-color: rgb(150, 144, 238); /* Change color for transmitter */
}

.receiver {
    background-color: lightcoral; /* Change color for receiver */
}

/* Additional styles for inputs and buttons */
input[type="text"] {
    margin: 5px 0;
}

button {
    margin: 5px 10px;
}

/* Full-page container layout */
.container {
    display: flex;
    gap: 20px;
    height: 100vh; /* Full height of the viewport */
    padding: 20px;
}

/* Side panel for draggable items */
.side-panel {
    text-align: center;
    height: 125px;
    width: 200px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #f9f9f9;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
}

.side-panel h3 {
    margin-bottom: 10px;
    font-size: 18px;
    color: #333;
}

.draggable {
    display: inline-block;
    padding: 8px 12px;
    font-size: 16px;
    color: white;
    background-color: #4CAF50;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.draggable:active {
    opacity: 0.8;
}

.hidden {
    visibility: hidden;
}

/* Main area for tree construction */
.tree-area {
    flex-grow: 1;
    position: relative;
    height: 100%; /* Full height of container */
    border: 1px solid #ccc;
    border-radius: 5px;
    overflow: hidden;
    background-color: #f0f8ff;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
}

.tree-area h3 {
    
    text-align: center;
    margin: 10px 0;
    font-size: 18px;
    color: #333;
}

/* Node styling in the tree area */
.node-in-tree {
    position: absolute;
    width: 40px;
    height: 40px;
    background-color: #4CAF50;
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    cursor: pointer;
    z-index: 2;
}

/* Styling lines between nodes */
.line-in-tree {
    position: absolute;
    height: 2px;
    background-color: black;
    z-index: 1;
}

.val-in-line {
    color: red;
    font-weight: bold;
    font-size: 18px;
    z-index: 3;
}

/* Transmitter and Receiver nodes */
.transmitter {
    background-color: lightgreen;
}

.receiver {
    background-color: lightcoral;
}

/* Controls section for transmitter and receiver input */
.controls {
    height: 300px;
    width: 200px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #f9f9f9;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
}

.controls h3 {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
}

.find-nearest-transmitter{
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #f9f9f9;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
}

input[type="text"] {
    width: calc(100% - 20px);
    padding: 5px;
    margin: 5px 0;
    border: 1px solid #ccc;
    border-radius: 3px;
    box-sizing: border-box;
}

button {
    display: block;
    padding: 8px 12px;
    font-size: 16px;
    color: white;
    background-color: #007bff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    width: calc(100% - 20px);
    margin: 5px 0;
}

button:active {
    opacity: 0.9;
}

/* Path result styling */
#path-result {
    margin-top: 10px;
    font-size: 16px;
    color: #333;
}

/* Reset default margin and padding for full window coverage */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

#tree-inputs{
    padding-top: 10px;
    height: full;
    width: 200px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #f9f9f9;
}

.link-input{
    padding: 20px;
    padding-left: 0px;
    font-size: medium;
}

.link-node1{
    margin: 10px;
    margin-left: 0px
}

.link-node2{
    margin: 10px;
    margin-left: 0px
}