*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: Arial, sans-serif;
  background: #0A0A0F; color: #e0e0e0;
  min-height: 100vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; padding: 20px;
}
.logo-header { display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: 8px; }
.tagline { color: #9CA3AF; font-size: 0.875rem; margin-bottom: 40px; margin-top: 8px; text-align: center; }
.card {
  background: #13131F; border: 1px solid #1E1E35; border-radius: 12px;
  padding: 36px 32px; width: 100%; max-width: 400px;
}
h1 { font-size: 1.25rem; margin-bottom: 8px; }
.subtitle { color: #888; font-size: 0.875rem; margin-bottom: 28px; line-height: 1.5; }
label { display: block; font-size: 0.875rem; color: #aaa; margin-bottom: 6px; }
input[type="email"] {
  width: 100%; padding: 12px 14px; background: #0F0F1A;
  border: 1px solid #1E1E35; border-radius: 8px;
  color: #e0e0e0; font-size: 0.95rem; outline: none; transition: border-color 0.2s;
}
input[type="email"]:focus { border-color: #4F46E5; }
button {
  width: 100%; margin-top: 16px; padding: 13px;
  background: #4F46E5; color: white; border: none; border-radius: 8px;
  font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: background 0.2s;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
button:hover:not(:disabled) { background: #4338ca; }
button:disabled { opacity: 0.6; cursor: not-allowed; }
.spinner {
  width: 18px; height: 18px; border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white; border-radius: 50%;
  animation: spin 0.7s linear infinite; display: none;
}
@keyframes spin { to { transform: rotate(360deg); } }
.message { margin-top: 16px; padding: 12px 14px; border-radius: 8px; font-size: 0.875rem; display: none; }
.message.success { background: #0d2a1a; border: 1px solid #10b981; color: #6ee7b7; }
.message.error   { background: #2a0d0d; border: 1px solid #ef4444; color: #fca5a5; }
.back-link { margin-top: 24px; font-size: 0.8rem; color: #555; }
.back-link a { color: #666; text-decoration: none; }
.back-link a:hover { color: #a78bfa; }
