:root {
  color-scheme: light;
  --page-bg: #f1f1f1;
  --surface: #ffffff;
  --surface-border: #d9d9d9;
  --surface-shadow: 0 1px 1px rgb(0 0 0 / 8%);
  --text: #303030;
  --muted: #616161;
  --subdued: #707070;
  --link: #5c238d;
  --link-hover: #3f1169;
  --focus: #a927ff;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--page-bg);
}

body {
  margin: 0;
  background: var(--page-bg);
  color: var(--text);
  font-family:
    Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

a {
  color: var(--link);
  font-weight: 600;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--link-hover);
}

a:focus-visible,
button:focus-visible {
  border-radius: 4px;
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: 1fr auto;
}

.page {
  width: 100%;
  padding: 28px 24px 24px;
}

.welcome-card {
  width: min(100%, 1040px);
  margin: 0 auto;
  padding: 20px 20px 24px;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  box-shadow: var(--surface-shadow);
}

.welcome-card__header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  column-gap: 16px;
}

.brand-logo {
  width: 104px;
  height: 104px;
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  object-fit: contain;
  background: #fff;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  color: var(--text);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0;
}

h2 {
  margin-top: 22px;
  color: var(--text);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0;
}

.welcome-card__content {
  margin-top: 24px;
  color: var(--text);
  font-size: 18px;
}

.welcome-card__content p {
  max-width: 1080px;
}

ul {
  max-width: 1080px;
  margin: 12px 0 0;
  padding-left: 28px;
}

li + li {
  margin-top: 4px;
}

.support-note {
  margin-top: 22px;
  color: var(--muted);
  font-size: 16px;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px 6px;
  padding: 20px 24px 48px;
  color: var(--subdued);
  font-size: 16px;
  font-weight: 600;
}

.footer a {
  color: var(--subdued);
}

.footer a:hover {
  color: var(--text);
}

@media (min-width: 900px) {
  .page {
    padding-top: 24px;
  }

  .welcome-card {
    margin-top: 0;
  }
}

@media (max-width: 720px) {
  .page {
    padding: 16px;
  }

  .welcome-card {
    padding: 16px;
    border-radius: 10px;
  }

  .welcome-card__header {
    grid-template-columns: 72px minmax(0, 1fr);
    column-gap: 14px;
  }

  .brand-logo {
    width: 72px;
    height: 72px;
  }

  h1 {
    font-size: 22px;
  }

  h2 {
    font-size: 18px;
  }

  .welcome-card__content {
    margin-top: 20px;
    font-size: 16px;
  }

  .support-note,
  .footer {
    font-size: 14px;
  }
}

@media (max-width: 430px) {
  .welcome-card__header {
    grid-template-columns: 1fr;
    row-gap: 12px;
  }

  .brand-logo {
    width: 84px;
    height: 84px;
  }
}