body {
  font-family: "Arial", sans-serif;
  background-color: #f7f9fc;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;

  --ring-weight: 175px;
}

.container {
  background: #ffffff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

h1 {
  color: #333;
}

.progress-circle {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: conic-gradient(#007bff 0%, #007bff 0%, #e9ecef 0%);
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
  position: relative;
}

#timer-text {
  font-size: 32px;
  color: #333;
  height: var(--ring-weight);
  width: var(--ring-weight);
  text-align: center;
  line-height: var(--ring-weight);
  position: absolute;
  z-index: 1; /* Ensure the text is above the progress circle */
  background-color: #ffffff; /* Add a background color to make the text more visible */
  border-radius: 50%;
}

.controls label {
  font-size: 16px;
  margin-right: 10px;
  color: #333;
}

.controls input {
  padding: 5px;
  font-size: 16px;
  width: 60px;
  text-align: center;
  border-radius: 5px;
  border: 1px solid #ced4da;
}

.preset-buttons .btn {
  margin: 5px;
}

.history h2 {
  font-size: 20px;
  margin-bottom: 10px;
  color: #333;
}

.history ul {
  list-style-type: none;
  padding: 0;
}

.history li {
  background: #f8f9fa;
  padding: 10px;
  border: 1px solid #dee2e6;
  border-radius: 5px;
  margin-bottom: 5px;
}

.history .btn {
  margin-top: 10px;
}