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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: radial-gradient(ellipse at center, #1e1e1e 0%, #0a0a0a 70%);
  background-attachment: fixed;
  color: #f0f0f0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  text-align: center;
  padding: 2rem;
  max-width: 480px;
  width: 100%;
}

header h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #ffffff;
}

.hero {
  margin: 2.5rem 0;
}

.tagline {
  font-size: 1.25rem;
  font-weight: 600;
  color: #aaaaaa;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.subtext {
  margin-top: 0.75rem;
  font-size: 1rem;
  color: #666666;
}

.notify {
  margin-top: 2rem;
}

.notify p {
  font-size: 0.875rem;
  color: #888888;
  margin-bottom: 0.75rem;
}

.signup-form {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.signup-form input[type="email"] {
  padding: 0.6rem 1rem;
  border: 1px solid #333333;
  border-radius: 4px;
  background: #1a1a1a;
  color: #f0f0f0;
  font-size: 0.875rem;
  width: 220px;
  outline: none;
}

.signup-form input[type="email"]:focus {
  border-color: #555555;
}

.signup-form button {
  padding: 0.6rem 1.25rem;
  background: #f0f0f0;
  color: #0a0a0a;
  border: none;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.signup-form button:hover {
  background: #cccccc;
}

.signup-form button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.signup-success {
  display: none;
  color: #aaaaaa;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

[data-fs-success][aria-hidden="false"] {
  display: block;
}

.signup-error,
.field-error {
  display: block;
  color: #e05555;
  font-size: 0.8rem;
  margin-top: 0.25rem;
}