body {
  background-color: #0e0e11;
  color: #ffffff;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  text-align: center;
}

h1 {
  color: #6eff9e;
  font-size: 2.5em;
  margin-bottom: 40px;
}

textarea {
  width: 90%;
  max-width: 700px;
  height: 200px;
  padding: 15px;
  border: 2px solid #00ffff;
  border-radius: 10px;
  background-color: #111;
  color: #fff;
  font-size: 1em;
  resize: none;
  box-shadow: 0 0 12px #00ffff55;
  margin-bottom: 25px;
  box-sizing: border-box;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

button {
  background-color: #80eaff;
  color: #000;
  border: none;
  padding: 12px 28px;
  font-size: 1.1em;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 25px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

button:hover {
  background-color: #66ddff;
  transform: scale(1.05);
}

#output {
  margin: 20px auto;
  padding: 15px;
  max-width: 80%;
  font-size: 18px;
  font-weight: 500;
  color: #ffffff;
  display: none; /* Show only after summarizing */
  text-align: center;
  white-space: pre-wrap;
  line-height: 1.6;
}