:root {
  --bg: #0f141a;
  --panel: rgba(255, 255, 255, 0.04);
  --accent: #4fd1c5;
  --accent-strong: #3bb3a8;
  --text: #e8f0f2;
  --muted: #95a6b8;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 25px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Space Grotesk', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(79, 209, 197, 0.08), transparent 25%),
              radial-gradient(circle at 80% 30%, rgba(59, 179, 168, 0.1), transparent 28%),
              linear-gradient(135deg, #0c1116 0%, #0f141a 40%, #0b1015 100%);
  color: var(--text);
  display: grid;
  place-items: center;
}

.shell {
  width: min(90vw, 540px);
  padding: 24px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 36px 32px;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  text-align: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 12px;
  color: var(--accent);
  margin: 0 0 12px;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 5vw, 36px);
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 16px;
}

.primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #0a1115;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, filter 160ms ease;
  box-shadow: 0 12px 30px rgba(79, 209, 197, 0.28);
}

.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 36px rgba(79, 209, 197, 0.38);
  filter: brightness(1.02);
}

.primary:active {
  transform: translateY(0);
  box-shadow: 0 10px 24px rgba(79, 209, 197, 0.28);
}

.status {
  margin-top: 16px;
  color: var(--muted);
  font-size: 14px;
}