:root {
  --bg-0: #0b0d12;
  --bg-1: #131722;
  --bg-2: #1c2230;
  --fg-0: #e6e8ee;
  --fg-1: #9aa3b2;
  --accent: #7c5cff;
  --accent-hi: #9b82ff;
  --border: #262d3d;
  --radius: 14px;
  --shadow: 0 20px 60px rgba(0,0,0,0.45);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  color: var(--fg-0);
  background:
    radial-gradient(900px 600px at 20% 0%, rgba(124,92,255,0.18), transparent 60%),
    radial-gradient(700px 500px at 100% 100%, rgba(70,180,255,0.12), transparent 60%),
    var(--bg-0);
}

body {
  display: grid;
  place-items: center;
  padding: 32px;
}

.card {
  width: 100%;
  max-width: 440px;
  background: linear-gradient(180deg, var(--bg-1), var(--bg-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 24px 28px;
  border-bottom: 1px solid var(--border);
}

.logo {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 20px;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-hi));
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(124,92,255,0.45);
}

h1 { margin: 0; font-size: 18px; letter-spacing: 0.2px; }
.subtitle { margin: 2px 0 0; color: var(--fg-1); font-size: 13px; }

.body { padding: 24px 28px 12px; }
.lede { color: var(--fg-1); line-height: 1.5; margin: 0 0 18px; }

.claims {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 14px;
  font-size: 13px;
  margin: 0 0 22px;
  padding: 14px 16px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.claims dt { color: var(--fg-1); }
.claims dd { margin: 0; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

button {
  width: 100%;
  border: 0;
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 10px;
  transition: transform 80ms ease, filter 120ms ease;
}
button:active { transform: translateY(1px); }

.primary {
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-hi));
  box-shadow: 0 8px 22px rgba(124,92,255,0.35);
}
.primary:hover { filter: brightness(1.08); }

.ghost {
  color: var(--fg-1);
  background: transparent;
  border: 1px solid var(--border);
}
.ghost:hover { color: var(--fg-0); border-color: var(--fg-1); }

footer {
  padding: 14px 28px 22px;
  border-top: 1px solid var(--border);
  color: var(--fg-1);
  font-size: 12px;
}
footer code {
  background: rgba(255,255,255,0.05);
  padding: 1px 6px;
  border-radius: 5px;
}