body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f9;
  color: #333;
}
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}
h1, h2 {
  text-align: center;
  color: #444;
}
form {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  margin-top: 20px;
}
form label {
  display: block;
  margin-bottom: 10px;
  font-weight: bold;
}
form input, form button {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 16px;
}
form button {
  background-color: #007bff;
  color: #fff;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
form button:hover {
  background-color: #0056b3;
}
.task-list {
  margin-top: 20px;
}
.task-list ul {
  list-style: none;
  padding: 0;
}
.task-list li {
  background: #fff;
  margin-bottom: 10px;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.task-list li button {
  margin-left: 10px;
  padding: 5px 10px;
  font-size: 14px;
}
.task-list button {
  padding: 8px 12px;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease;
}

#openModalButton {
  background-color: #28a745; /* Green for Add Task */
  color: #fff;
  margin-top: 10px;
}

#openModalButton:hover {
  background-color: #218838;
}

.task-list .refresh {
  background-color: #007bff; /* Blue for Refresh */
  color: #fff;
}

.task-list .refresh:hover {
  background-color: #0056b3;
}

.task-list .delete {
  background-color: #dc3545; /* Red for Delete */
  color: #fff;
}

.task-list .delete:hover {
  background-color: #c82333;
}

@media (max-width: 600px) {
  .container {
    padding: 10px;
  }
  form input, form button {
    font-size: 14px;
  }
  .task-list li {
    flex-direction: column;
    align-items: flex-start;
  }
  .task-list li button {
    margin: 5px 0 0 0;
  }
}

.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
  background-color: #fff;
  margin: 10% auto;
  padding: 20px;
  border-radius: 8px;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.close {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
}

.close:hover,
.close:focus {
  color: #000;
  text-decoration: none;
}

.error-message {
  color: red;
  font-size: 14px;
  margin-top: -10px;
  margin-bottom: 10px;
  display: block;
}

#addTaskButton:disabled {
  background-color: #6c757d; /* Grey for disabled state */
  cursor: not-allowed;
  color: #fff;
}

#updateTaskButton:disabled {
  background-color: #6c757d; /* Gray for disabled state */
  cursor: not-allowed;
  color: #fff;
}

.task-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.current-time {
  font-size: 16px;
  color: #fff;
  background-color: #007bff; /* Blue background */
  padding: 5px 10px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.task-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
}

.task-summary {
  flex: 1;
}

.task-summary div {
  margin-bottom: 5px;
}

.button-container {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.task-details-modal {
  margin-top: 10px;
  padding: 10px;
  background-color: #f9f9f9;
  border: 1px solid #ddd;
  border-radius: 4px;
  display: none;
}

.task-details-modal div {
  margin-bottom: 5px;
}

.expand-details {
  background-color: #17a2b8; /* Teal for Expand Details */
  color: #fff;
  border: none;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.expand-details:hover {
  background-color: #138496;
}

.reset-timer {
  background-color: #ffc107; /* Yellow for Reset Timer */
  color: #fff;
  border: none;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.reset-timer:hover {
  background-color: #e0a800;
}