* {
  box-sizing: border-box;
}

html {
  color: #202122;
  background: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
}

body {
  min-height: 100vh;
  margin: 0;
  padding: 3rem 1.5rem;
}

h1 {
  width: min(100%, 44rem);
  margin: 0 auto 1.5rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid #a2a9b1;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.8rem, 6vw, 2.25rem);
  font-weight: 400;
  line-height: 1.3;
  overflow-wrap: normal;
}

.container {
  width: min(100%, 44rem);
  margin: 0 auto;
}

#form {
  display: flex;
  gap: 0.5rem;
  width: min(100%, 28rem);
  padding: 1rem;
  border: 1px solid #a2a9b1;
  background: #f8f9fa;
}

input,
button {
  min-height: 2.25rem;
  border-radius: 2px;
  font: inherit;
}

input {
  min-width: 0;
  flex: 1;
  border: 1px solid #72777d;
  padding: 0.35rem 0.5rem;
  color: #202122;
  background: #fff;
}

input:hover {
  border-color: #202122;
}

input:focus {
  border-color: #36c;
  outline: 1px solid #36c;
}

button {
  border: 1px solid #36c;
  padding: 0.35rem 0.75rem;
  color: #fff;
  background: #36c;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  border-color: #2a4b8d;
  background: #2a4b8d;
}

button:focus-visible {
  outline: 2px solid #36c;
  outline-offset: 2px;
}

#results {
  width: min(100%, 44rem);
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

#error {
  width: min(100%, 28rem);
  margin-top: 0.75rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid #b32424;
  border-left-width: 4px;
  color: #202122;
  background: #fee7e6;
  font-size: 0.875rem;
}

#error[hidden] {
  display: none;
}

#results li {
  padding: 0.45rem 0;
  border-bottom: 1px solid #eaecf0;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

#results li:last-child {
  border-bottom: 0;
}

@media (max-width: 30rem) {
  body {
    padding: 1.5rem 1rem;
  }

  #form {
    width: 100%;
    padding: 0.75rem;
  }
}

@media (max-width: 22rem) {
  #form {
    flex-direction: column;
  }
}