* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Arial', sans-serif; background: #2c3e50; color: white; display: flex; justify-content: center; padding-top: 50px; min-height: 100vh; }
.container { background: #34495e; padding: 30px; border-radius: 10px; width: 500px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
h1 { text-align: center; color: #f1c40f; margin-bottom: 25px; }
.input-area { display: flex; gap: 10px; margin-bottom: 25px; }
input { flex: 1; padding: 12px; border: none; border-radius: 5px; outline: none; background: #ecf0f1; font-size: 16px; }
button { padding: 12px 20px; background: #e67e22; color: white; border: none; border-radius: 5px; cursor: pointer; font-weight: bold; transition: 0.3s; }
button:hover { background: #d35400; }
ul { list-style: none; }
li { background: #2c3e50; margin-bottom: 10px; padding: 15px; border-radius: 5px; display: flex; justify-content: space-between; align-items: center; border-left: 4px solid #f1c40f; }
.remove-btn { background: #c0392b; padding: 8px 15px; border-radius: 3px; font-size: 14px; }
.remove-btn:hover { background: #e74c3c; }