:root {
  color-scheme: light dark;
  font-family: system-ui, sans-serif;
}

body {
  margin: 0;
  display: flex;
  justify-content: center;
  padding: 2rem 1rem;
}

main {
  width: 100%;
  max-width: 480px;
}

h1 {
  font-size: 1.5rem;
}

#add-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

#todo-input {
  flex: 1;
  min-width: 10rem;
  padding: 0.5rem;
  font-size: 1rem;
}

#priority-input,
#notify-input {
  padding: 0.5rem;
  font-size: 1rem;
}

button {
  padding: 0.5rem 1rem;
  font-size: 1rem;
  cursor: pointer;
}

#enable-notifications {
  margin-bottom: 1.5rem;
}

#todo-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

#todo-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  border: 1px solid #8884;
  border-left: 4px solid var(--priority-color, #8884);
  border-radius: 6px;
}

#todo-list li.priority-high {
  --priority-color: #e5484d;
}

#todo-list li.priority-medium {
  --priority-color: #f5a524;
}

#todo-list li.priority-low {
  --priority-color: #4caf50;
}

#todo-list li.done span {
  text-decoration: line-through;
  opacity: 0.6;
}

#todo-list li span {
  flex: 1;
}

.priority-badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  background: var(--priority-color, #8884);
  color: #fff;
}

.notify-time {
  flex-basis: 100%;
  opacity: 0.7;
}

.delete-btn {
  background: none;
  border: none;
  font-size: 1rem;
  opacity: 0.6;
}

.delete-btn:hover {
  opacity: 1;
}