/* Default = film / GRiD prop yellow */
:root,
body[data-theme="yellow"] {
  color-scheme: dark;
  --bg: #050500;
  --panel: #0c0c05;
  --fg: #ffee00;
  --dim: #8c8000;
  --border: #5c5500;
  --glow: rgba(255, 238, 0, 0.12);
  --grad-top: #1a1800;
  --font: "IBM Plex Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}

body[data-theme="phosphor"] {
  --bg: #050805;
  --panel: #0a100c;
  --fg: #50fa7b;
  --dim: #2a6b3e;
  --border: #1a3d24;
  --glow: rgba(80, 250, 123, 0.12);
  --grad-top: #0d1a12;
}

body[data-theme="amber"] {
  --bg: #080500;
  --panel: #120c05;
  --fg: #ffb000;
  --dim: #8c5a00;
  --border: #5c3a00;
  --glow: rgba(255, 176, 0, 0.12);
  --grad-top: #1a1200;
}

body[data-theme="mono"] {
  --bg: #050505;
  --panel: #101010;
  --fg: #e0e0e0;
  --dim: #777777;
  --border: #444444;
  --glow: rgba(224, 224, 224, 0.08);
  --grad-top: #181818;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(ellipse at top, var(--grad-top) 0%, var(--bg) 55%);
  color: var(--fg);
  font-family: var(--font);
}

.shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem 1rem 2rem;
}

header {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
}

.brand {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.mark {
  display: inline-grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 2px solid var(--fg);
  border-radius: 50%;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: 0.08em;
}

.sub {
  margin: 0.15rem 0 0;
  color: var(--dim);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 0.9rem;
  align-items: center;
  font-size: 0.8rem;
  color: var(--dim);
}

.controls label {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.controls label.check {
  flex-direction: row;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1rem;
}

select,
button {
  font: inherit;
  color: var(--fg);
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 0.35rem 0.55rem;
  border-radius: 2px;
}

button {
  margin-top: 1rem;
  cursor: pointer;
}

button:hover,
select:hover {
  border-color: var(--fg);
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

#ua571 {
  width: min(100%, 960px);
  height: auto;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background: #000;
  border: 2px solid var(--border);
  box-shadow:
    0 0 0 1px #000,
    0 0 40px var(--glow),
    inset 0 0 60px rgba(0, 0, 0, 0.55);
  outline: none;
}

#ua571:focus {
  border-color: var(--fg);
}

.status {
  margin: 0;
  min-height: 1.2em;
  color: var(--dim);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

footer {
  margin-top: 1.25rem;
  border-top: 1px solid var(--border);
  padding-top: 0.85rem;
  color: var(--dim);
  font-size: 0.75rem;
}

.keys kbd {
  display: inline-block;
  border: 1px solid var(--border);
  padding: 0.05rem 0.3rem;
  border-radius: 2px;
  color: var(--fg);
  font-size: 0.72rem;
}

.disclaimer a {
  color: var(--fg);
}

@media (max-width: 640px) {
  .controls label.check {
    margin-top: 0;
  }
  button {
    margin-top: 0;
  }
}