:root {
  color-scheme: dark;
  --background: #0b0b0d;
  --surface: #16161a;
  --border: #2a2a31;
  --text: #e9e7e4;
  --muted: #8d8c93;
  --accent: #ffb86b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

main,
footer {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

header {
  padding: 32px 0 20px;
}

h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
}

header p {
  margin: 2px 0 0;
  color: var(--muted);
}

.screen {
  display: flex;
  justify-content: center;
  padding: 14px;
  background: #000;
  border: 1px solid var(--border);
  border-radius: 8px;
}

#screen {
  display: block;
  max-width: 100%;
  height: auto;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 28px;
  margin-top: 18px;
}

label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}

select,
input[type="number"] {
  padding: 4px 8px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  font: inherit;
}

input[type="number"] {
  width: 5.5em;
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  width: 120px;
  accent-color: var(--accent);
}

output,
.fps {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

output {
  min-width: 4ch;
}

.fps {
  margin-left: auto;
  color: var(--muted);
}

.status {
  color: var(--muted);
}

.status:empty {
  display: none;
}

footer {
  padding-top: 24px;
  padding-bottom: 32px;
  color: var(--muted);
  font-size: 13px;
}

footer a {
  color: inherit;
}