:root {
  --bg: #1e2d4eff;
  --bg-accent: #000;
  --text: #eee;
  --muted: #94a3b8;
  --primary: #1e2d4eff;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  background: linear-gradient(180deg, var(--bg), var(--bg-accent));
  color: var(--text);
  padding: 1rem;
}
.signup-container {
  background: #16223aff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 400px;
}
.signup-container h2 {
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  margin-bottom: 1.5rem;
  text-align: center;
}
.tagline {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 2rem;
  text-align: center;
}
input {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border: 1px solid var(--muted);
  border-radius: 4px;
  background: var(--bg-accent);
  color: var(--text);
}
input::placeholder {
  color: var(--muted);
}
button {
  width: 100%;
  padding: 10px;
  margin-top: 20px;
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease;
}
button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}
.error {
  color: #ff6b6b;
  font-size: 14px;
}

.welcome-content {
  text-align: left;
  margin-bottom: 2rem;
}

.welcome-content p {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.welcome-content ol {
  margin: 1.5rem 0;
  padding-left: 1.5rem;
}

.welcome-content li {
  margin-bottom: 0.5rem;
  color: var(--text);
}

.welcome-content h3 {
  color: var(--text);
  font-size: 1.2rem;
  margin: 1.5rem 0 1rem 0;
  font-weight: 600;
}

.contact-info {
  background: rgba(255, 255, 255, 0.05);
  padding: 1rem;
  border-radius: 6px;
  margin: 1.5rem 0;
  border-left: 3px solid var(--primary);
}

.contact-info p {
  margin-bottom: 0.5rem;
  text-align: center;
}

.email-link {
  color: #000;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 4px;
  transition: background-color 0.2s ease;
}

.email-link:hover {
  text-decoration: underline;
  background: rgba(255, 255, 255, 1);
}

.closing {
  text-align: center;
  font-style: italic;
  color: var(--muted);
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.app-links {
  text-align: center;
  margin-top: 2rem;
}

.app-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  margin: 0 0.5rem;
}

.app-link:hover {
  text-decoration: underline;
}

@media (max-width: 480px) {
  body {
    padding: 0.5rem;
  }
  .signup-container {
    padding: 1.5rem;
  }
}