:root {
  color: #1e293b;
  background: #f8fafc;
  font-family: Inter, Avenir, Helvetica, Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  display: flex;
  flex-direction: column;
}

button,
input {
  font: inherit;
}

.page-content {
  width: 100%;
  flex: 1 0 auto;
  display: grid;
  place-items: start center;
  padding: clamp(2.5rem, 8vh, 5rem) 1rem 3rem;
}

.qr-code-generator {
  width: min(100%, 38rem);
  padding: clamp(1.5rem, 5vw, 3rem);
  border: 1px solid #e2e8f0;
  border-radius: 1.25rem;
  background: #fff;
  box-shadow: 0 20px 50px rgb(15 23 42 / 8%);
  text-align: center;
}

.qr-code-generator__title {
  margin: 0;
  color: #0f172a;
  font-size: clamp(2rem, 7vw, 3rem);
  line-height: 1.1;
}

.qr-code-generator__intro {
  margin: 0.75rem 0 2rem;
  color: #64748b;
}

.qr-code-generator__form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.qr-code-generator__label {
  color: #334155;
  font-weight: 600;
  text-align: left;
}

.qr-code-generator__input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid #cbd5e1;
  border-radius: 0.65rem;
  color: #0f172a;
  background: #fff;
  outline: none;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.qr-code-generator__input:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgb(37 99 235 / 18%);
}

.qr-code-generator__button {
  padding: 0.85rem 1.2rem;
  border: 1px solid #2563eb;
  border-radius: 0.65rem;
  color: #fff;
  background: #2563eb;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 150ms ease, transform 150ms ease;
}

.qr-code-generator__button:hover {
  background: #1d4ed8;
}

.qr-code-generator__button:active {
  transform: translateY(1px);
}

.qr-code-generator__button:focus-visible,
.site-footer a:focus-visible {
  outline: 3px solid rgb(37 99 235 / 35%);
  outline-offset: 3px;
}

.qr-code-generator__button--secondary {
  flex: 1;
  color: #1d4ed8;
  background: #fff;
}

.qr-code-generator__button--secondary:hover {
  color: #fff;
}

.qr-code-generator__result {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e2e8f0;
}

.qr-code-generator__result[hidden] {
  display: none;
}

.qr-code-generator__subtitle {
  margin: 0 0 1rem;
  font-size: 1.25rem;
}

.qr-code-generator__image {
  display: block;
  width: min(100%, 20rem);
  height: auto;
  margin: 0 auto 1rem;
}

.qr-code-generator__actions {
  display: flex;
  gap: 0.75rem;
}

.site-footer {
  width: 100%;
  flex-shrink: 0;
  margin-top: auto;
  padding: 1.25rem 1rem;
  color: #475569;
  background: #e2e8f0;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: #1d4ed8;
}

.notification {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 10;
  max-width: calc(100% - 2rem);
  padding: 0.8rem 1rem;
  border-radius: 0.65rem;
  color: #fff;
  background: #15803d;
  box-shadow: 0 8px 24px rgb(15 23 42 / 20%);
  opacity: 0;
  transform: translateY(0.75rem);
  visibility: hidden;
  transition: opacity 150ms ease, transform 150ms ease, visibility 150ms ease;
}

.notification[data-type='error'] {
  background: #b91c1c;
}

.notification.show {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

@media (max-width: 30rem) {
  .qr-code-generator__actions {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}