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

body {
  color: #f5f5f5;
  background: url('https://www.transparenttextures.com/patterns/diamond-upholstery.png'), linear-gradient(to bottom, #1e3c72, #2a5298);
  padding: 20px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  /* background-color: white; */
  background: rgb(203, 202, 202);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 20px;
}

h1 {
  text-align: center;
  margin-bottom: 20px;
  color: #4f4e4e;
}

p{
  color:#5a5959
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 20px;
  padding: 15px;
  background-color: #f0f0f0;
  border-radius: 5px;
}

.input-group, .random-group, .traversal-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.traversal-group p {
  margin: 0;
  font-weight: bold;
}

input {
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}

button {
  padding: 8px 15px;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #45a049;
}

#clearBtn {
  background-color: #f44336;
}

#clearBtn:hover {
  background-color: #d32f2f;
}

#searchBtn {
  background-color: #2196F3;
}

#searchBtn:hover {
  background-color: #0b7dda;
}

.visualization-container {
  width: 100%;
  height: 400px;
  /* overflow: slide; */
  margin-bottom: 20px;
  border: 1px solid #ddd;
  border-radius: 5px;
  overflow: hidden;
  position: relative;
}

#treeCanvas {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  background-color: white;
}

.output-panel {
  display: flex;
  gap: 20px;
}

.traversal-output, .operation-output {
  flex: 1;
  padding: 15px;
  background-color: #f9f9f9;
  border-radius: 5px;
  border: 1px solid #eee;
}

h3 {
  margin-bottom: 10px;
  font-size: 16px;
  color: #333;
}

#traversalResult {
  font-family: monospace;
  padding: 8px;
  background-color: #f0f0f0;
  color:  black;
  border-radius: 3px;
  overflow-x: auto;
  white-space: nowrap;
}

#operationLog {
  max-height: 150px;
  overflow-y: auto;
  font-family: monospace;
}

.log-entry {
  padding: 5px;
  margin-bottom: 5px;
  border-left: 3px solid #4CAF50;
  background-color: #f0f0f0;
}

.log-entry.error {
  border-left-color: #f44336;
  color: black;
}

.log-entry.success {
  border-left-color: #4CAF50;
  color: black;
}

.log-entry.info {
  border-left-color: #2196F3;
  color: black;
}

.node {
  fill: #fff;
  stroke: #4CAF50;
  stroke-width: 2px;
  transition: all 0.3s ease;
}

.node-highlight {
  fill: #ffeb3b;
}

.node-found {
  fill: #4CAF50;
  stroke: #333;
}

.node-not-found {
  fill: #f44336;
  stroke: #333;
}

.edge {
  stroke: #666;
  stroke-width: 1.5px;
}

@media (max-width: 768px) {
  .controls {
      flex-direction: column;
      align-items: flex-start;
  }
  
  .output-panel {
      flex-direction: column;
  }
}