:root {
  color-scheme: dark;
  --bg: #6b1d2a;
  --text: #fff6ea;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  font-size: 1rem;
  line-height: 1.45;
}

main {
  width: min(28rem, 100%);
  margin: 0 auto;
  padding: 1.5rem 1rem 2.5rem;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.lede {
  margin-top: 0.35rem;
}

.modes,
.controls,
.custom,
.log ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;
}

.modes {
  margin-top: 1.25rem;
}

button,
input {
  font: inherit;
  color: inherit;
}

button {
  min-height: 2.75rem;
  padding: 0.45rem 0.85rem;
  background: transparent;
  border: 2px solid var(--text);
  border-radius: 999px;
  cursor: pointer;
}

button:focus,
input:focus {
  outline: 3px solid var(--text);
  outline-offset: 3px;
}

button[aria-pressed="true"] {
  background: var(--text);
  color: var(--bg);
}

#start {
  background: var(--text);
  color: var(--bg);
  min-width: 6.5rem;
}

#start[aria-pressed="true"] {
  background: transparent;
  color: var(--text);
}

.time {
  margin: 0.75rem 0 1rem;
  font-family: "Segoe UI", system-ui, sans-serif;
  font-size: clamp(4.25rem, 22vw, 7rem);
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.03em;
  line-height: 1;
  text-align: center;
}

.controls {
  margin-bottom: 1.25rem;
}

.custom {
  margin-top: 0.25rem;
}

.custom label {
  flex: 1 1 100%;
  text-align: center;
}

input[type="number"] {
  width: 5.5rem;
  min-height: 2.75rem;
  padding: 0.4rem 0.55rem;
  background: transparent;
  border: 2px solid var(--text);
  border-radius: 0.6rem;
  font-variant-numeric: tabular-nums;
}

.error,
.suggestion {
  flex-basis: 100%;
  min-height: 1.4em;
  text-align: center;
}

.error:empty,
.suggestion:empty {
  margin: 0;
}

.error:not(:empty) {
  font-weight: 700;
}

.log {
  margin-top: 1.5rem;
  text-align: center;
}

.log h2 {
  font-size: 1.1rem;
}

.log ul {
  margin: 0.75rem 0;
  padding: 0;
  list-style: none;
}

.log li {
  font-variant-numeric: tabular-nums;
}

.log strong {
  font-family: "Segoe UI", system-ui, sans-serif;
  font-weight: 650;
}