/* Auth Overlay & Lock Screen Styles */
.auth-overlay {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 50% 30%, #1e1b4b 0%, #030712 100%);
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  font-family: 'Inter', -apple-system, sans-serif;
}

.auth-card {
  background: rgba(17, 24, 39, 0.9);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  max-width: 420px;
  width: 100%;
  padding: 36px 30px;
  text-align: center;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.7);
  animation: authFadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes authFadeIn {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-icon-circle {
  width: 64px;
  height: 64px;
  background: rgba(79, 70, 229, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: #818cf8;
}

.auth-title {
  color: #ffffff;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.auth-desc {
  color: #94a3b8;
  font-size: 0.92rem;
  margin-bottom: 24px;
  line-height: 1.5;
}

.auth-input-group {
  margin-bottom: 18px;
  text-align: left;
}

.auth-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: #cbd5e1;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.auth-input {
  width: 100%;
  padding: 14px 16px;
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 10px;
  color: #ffffff;
  font-size: 1rem;
  outline: none;
  box-sizing: border-box;
  transition: all 0.2s;
}

.auth-input:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.auth-error-msg {
  color: #f43f5e;
  font-size: 0.85rem;
  margin-top: 8px;
  display: none;
  font-weight: 500;
}

.btn-auth-submit {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);
  border: none;
  border-radius: 10px;
  color: #ffffff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
}

.btn-auth-submit:hover {
  background: linear-gradient(135deg, #4338ca 0%, #3730a3 100%);
  transform: translateY(-1px);
}

.auth-footer-note {
  margin-top: 20px;
  font-size: 0.8rem;
  color: #64748b;
}