:root {
  color-scheme: dark;
  --bg: #0c0d0a;
  --fg: #cfcfc0;
  --sub: #7a7a6c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

main {
  width: 100%;
  max-width: 1900px;
  text-align: center;
}

h1 {
  font-size: 1.4rem;
  margin: 0 0 0.25rem;
  letter-spacing: 0.02em;
}

.sub {
  margin: 0 auto 1.25rem;
  max-width: 60ch;
  color: var(--sub);
  font-size: 0.9rem;
}

.sub code {
  color: var(--fg);
}

.aviso {
  margin: 0 auto 1.5rem;
  max-width: 60ch;
  padding: 0.75rem 1rem;
  border: 1px dashed #2a2b1f;
  border-radius: 6px;
  background: #101107;
  text-align: left;
  font-size: 0.85rem;
  color: var(--sub);
}

.aviso p {
  margin: 0;
}

.aviso p + p {
  margin-top: 0.6rem;
}

.panel-wrap {
  width: 100%;
  padding: 1rem;
  border-radius: 6px;
  background: #050503;
  box-shadow: inset 0 0 0 1px #1a1a14, 0 10px 30px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}

.panel-sizer {
  position: relative;
  margin: 0 auto;
}

.panel {
  position: absolute;
  top: 0;
  left: 0;
  line-height: 0;
  transform-origin: top left;
}

.panel-bg {
  display: block;
  image-rendering: auto;
}

.glyph {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  pointer-events: none;
}

.scroll-window {
  position: absolute;
  overflow: hidden;
}

.controls {
  margin-top: 1.25rem;
}

.controls button {
  font: inherit;
  font-size: 0.9rem;
  color: var(--fg);
  background: #16170f;
  border: 1px solid #2a2b1f;
  border-radius: 4px;
  padding: 0.5rem 1rem;
  cursor: pointer;
}

.controls button:hover {
  background: #1e1f16;
}

.controls button:active {
  background: #0f100b;
}