:root {
  --bg-color: #FFF;
  --fg-color: #1f2937;
  --accent-color: #1d4ed8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #030712;
    --fg-color: #f3f4f6;
  }
}

/* Box sizing rules */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Remove default padding */
ul[class],
ol[class] {
  padding: 0;
}

/* Remove default margin */
body,
h1,
h2,
h3,
h4,
p,
ul[class],
ol[class],
li,
figure,
figcaption,
blockquote,
dl,
dd {
  margin: 0;
}

/* Set core body defaults */
body {
  min-height: 100vh;
  scroll-behavior: smooth;
  text-rendering: optimizeSpeed;
  line-height: 1.5;
  font-family: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  background-color: var(--bg-color);
  color: var(--fg-color);
  display: flex;
  flex-direction: column;
}

/* Remove list styles on ul, ol elements with a class attribute */
ul[class],
ol[class] {
  list-style: none;
}

/* A elements that don't have a class get default styles */
a:not([class]) {
  text-decoration-skip-ink: auto;
}

/* Make images easier to work with */
img {
  max-width: 100%;
  display: block;
}

/* Natural flow and rhythm in articles by default */
article > * + * {
  margin-top: 1em;
}

/* Inherit fonts for inputs and buttons */
input,
button,
textarea,
select {
  font: inherit;
}

/* Remove all animations and transitions for people that prefer not to see them */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

main {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 1rem;
}

form {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  width: 100%;
}

input, button {
  border: 2px solid var(--accent-color);
  padding: 0.5rem 1rem;
  background-color: transparent;
  border-radius: 0.5rem;
}

input {
  color: var(--fg-color);
  width: 100%;
  max-width: 30rem;
}

button {
  color: var(--accent-color);
  font-weight: bold;
  text-transform: uppercase;
}

button:hover {
  color: var(--fg-color);
  background-color: var(--accent-color);
  cursor: pointer;
}

.qr-code {
  overflow: hidden;
  border-radius: 1rem;
  border: 2px solid var(--accent-color);
  width: 100%;
  max-width: 320px;
}

.qr-code > svg {
  width: 100%;
}

.container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-items: center;
  align-items: center;
}

.icon-copy {
  width: 1rem;
  height: 1rem;
  color: var(--fg-color);
}