:root {
  color-scheme: dark;
  --bg: #151515;
  --panel: #202020;
  --panel-strong: #292929;
  --text: #fff;
  --muted: rgba(255, 255, 255, 0.72);
  --accent: #e50914;
  --border: rgba(255, 255, 255, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

main {
  width: min(440px, 100%);
}

.install-card {
  display: grid;
  gap: 18px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.4);
  text-align: center;
}

.install-logo {
  width: 76px;
  height: 76px;
  margin: 0 auto 2px;
  border-radius: 24px;
  display: grid;
  place-items: center;
  background: var(--accent);
  box-shadow: 0 18px 40px rgba(229, 9, 20, 0.28);
}

.install-logo i {
  font-size: 36px;
  color: #fff;
}

h1 {
  margin: 0;
  font-size: 28px;
  line-height: 1.05;
  letter-spacing: 0;
}

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.actions {
  display: grid;
  gap: 10px;
  margin-top: 4px;
}

.button {
  min-height: 48px;
  border-radius: 999px;
  border: 0;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font: inherit;
  font-weight: 800;
  color: #fff;
  text-decoration: none;
  cursor: pointer;
}

.button.primary {
  background: var(--accent);
}

.button.ghost {
  background: var(--panel-strong);
}

.install-guide {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: 18px;
  background: var(--panel-strong);
  text-align: left;
}

.install-guide h2 {
  margin: 0;
  font-size: 15px;
}

.install-guide ol {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.5;
}