:root {
  --bg: #0a0a0a;
  --fg: #f5f5f5;
  --muted: #b5b5b5;
  --primary: #2563eb;
  --primary-600: #1d4ed8;
  --card: #111213;
  --ring: 0 0 0 4px rgba(37, 99, 235, 0.25);
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 10% -10%, #111827, transparent),
              radial-gradient(1000px 500px at 110% 10%, #0b1220, transparent),
              var(--bg);
  color: var(--fg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.page {
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 24px;
  padding: 24px clamp(16px, 4vw, 40px);
}

.header {
  display: flex;
  justify-content: center;
  margin-top: clamp(8px, 4vh, 48px);
}

.title {
  max-width: 28ch;
  text-align: center;
  font-weight: 700;
  font-size: clamp(24px, 5vw, 40px);
  letter-spacing: 0.2px;
  margin: 0;
}

.actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  max-width: 680px;
  margin: 0 auto;
  width: 100%;
}

@media (max-width: 480px) {
  .actions {
    grid-template-columns: 1fr;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  background: linear-gradient(180deg, #1f2937, #111827);
  color: var(--fg);
  border: 1px solid #2a3343;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 120ms ease, box-shadow 120ms ease, background 150ms ease;
  box-shadow: 0 1px 0 rgba(255,255,255,0.05) inset, 0 6px 20px rgba(0,0,0,0.25);
}

.btn:hover {
  transform: translateY(-1px);
  background: linear-gradient(180deg, #22314a, #0f172a);
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}

.btn:active {
  transform: translateY(0);
}

.footer {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px;
  color: var(--muted);
  font-size: 14px;
}