:root {
  color-scheme: dark;
  font-family: "Manrope", sans-serif;
  --bg-top: #061022;
  --bg-bottom: #0a1637;
  --surface: rgba(9, 20, 51, 0.88);
  --line: rgba(145, 182, 255, 0.16);
  --text-main: #f6f8ff;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-width: 320px;
  color: var(--text-main);
  background:
    radial-gradient(circle at top left, rgba(65, 120, 255, 0.22), transparent 32%),
    radial-gradient(circle at bottom right, rgba(61, 225, 255, 0.18), transparent 28%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
}

.app-shell {
  min-height: 100vh;
  padding: 18px 16px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-card {
  width: min(100%, 430px);
  border-radius: 28px;
  border: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
}