* {
  box-sizing: border-box;
}

html {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #111111;
  background: #ffffff;
}

body {
  margin: 0;
}

main {
  width: min(100%, 32rem);
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

p {
  margin: 0 0 0.5rem;
}

h1 {
  margin: 0 0 1.5rem;
  font-size: 1.5rem;
  line-height: 1.3;
}

button,
input {
  font: inherit;
}

button {
  min-height: 2.75rem;
  border: 1px solid #777777;
  border-radius: 0.25rem;
  color: inherit;
  background: #ffffff;
  cursor: pointer;
}

button:focus-visible,
input:focus-visible {
  outline: 3px solid #2457c5;
  outline-offset: 2px;
}

.controls {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

label {
  display: block;
  margin-bottom: 0.25rem;
}

input[type="range"] {
  width: 100%;
  min-height: 2.75rem;
  margin: 0;
}

#status {
  min-height: 1.5rem;
  margin-top: 0.5rem;
}

#status[data-kind="error"] {
  color: #9a1b1b;
}

.track-list {
  display: grid;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.track-list button {
  width: 100%;
  padding: 0.625rem 0.75rem;
  text-align: left;
}

.track-list button[aria-current="true"] {
  border-color: #111111;
  font-weight: 700;
  background: #e8e8e8;
}

@media (max-width: 22rem) {
  .controls {
    grid-template-columns: 1fr;
  }
}