:root {
  color-scheme: light dark;
}

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

body {
  display: grid;
  place-items: center;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.4;
}

main {
  width: 100%;
  max-width: 760px;
  padding: 24px;
  text-align: center;
}

.logo img {
  max-width: 160px;
  height: auto;
  margin-bottom: 12px;
}

h1 {
  font-size: 1.4rem;
  margin-bottom: 16px;
}

input,
textarea {
  width: 100%;
  box-sizing: border-box;
  margin-top: 12px;
  padding: 10px 12px;
  font-size: 15px;
  border-radius: 10px;
  border: 2px solid currentColor;
  background: transparent;
  color: inherit;
}

textarea {
  resize: vertical;
}

button {
  margin-top: 12px;
  padding: 8px 16px;
  font-weight: 600;
  cursor: pointer;
  background: transparent;
  border: 2px solid currentColor;
  border-radius: 999px;
}

button:disabled {
  opacity: 0.6;
  cursor: default;
}

.actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.preview {
  margin-top: 20px;
  width: 100%;
  max-width: 720px;
  aspect-ratio: 16 / 9;
  border: 2px dashed currentColor;
  border-radius: 12px;
  overflow: hidden;
}

.preview iframe {
  width: 100%;
  height: 100%;
  border: 0;
  background: transparent;
}