:root {
  --bg: #0a0a0b;
  --card: rgba(18, 18, 20, 0.9);
  --accent: #00d4ff;
  --text: #f4f4f5;
  --muted: #71717a;
  --border: rgba(255, 255, 255, 0.08);
  --success: #22c55e;
  --error: #ef4444;
}

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

body {
  font-family: 'Outfit', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.container {
  max-width: 420px;
  width: 100%;
  text-align: center;
}

.logo-section { margin-bottom: 2.5rem; }

.logo {
  height: 56px;
  width: auto;
  object-fit: contain;
  filter: invert(1) hue-rotate(162deg) brightness(1.55) saturate(1.05);
}

.hero { margin-bottom: 2rem; }

.headline {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.subheadline {
  font-size: 1rem;
  color: var(--muted);
}

.signup-section { margin-bottom: 2rem; }

.signup-form { display: flex; flex-direction: column; gap: 0.75rem; }

.input-wrapper {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.input-wrapper input {
  flex: 1;
  min-width: 180px;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
}

.input-wrapper input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.25);
}

.btn-submit {
  padding: 0.75rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  color: var(--bg);
  background: var(--accent);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  min-width: 120px;
}

.btn-submit:hover:not(:disabled) { background: #00b8e6; }
.btn-submit:disabled { opacity: 0.7; cursor: not-allowed; }

.btn-loader { display: none; gap: 4px; }
.btn-loader span {
  width: 5px; height: 5px;
  background: var(--bg);
  border-radius: 50%;
  animation: bounce 0.6s ease-in-out infinite alternate;
}
.btn-loader span:nth-child(2) { animation-delay: 0.1s; }
.btn-loader span:nth-child(3) { animation-delay: 0.2s; }
@keyframes bounce { to { transform: translateY(-4px); } }

.btn-submit.loading .btn-text { display: none; }
.btn-submit.loading .btn-loader { display: flex; }

.form-message { font-size: 0.9rem; min-height: 1.4em; }
.form-message.success { color: var(--success); }
.form-message.error { color: var(--error); }

.footer p { font-size: 0.85rem; color: var(--muted); }