/* Authentication Modal Styles */
.modal-bg {
  position: fixed;
  inset: 0;
  background: rgba(28, 25, 23, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  transition: opacity var(--transition);
}

.modal-bg.active {
  display: flex;
  opacity: 1;
}

.auth-modal {
  background: rgba(253, 252, 249, 0.9);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  width: 90%;
  max-width: 420px;
  box-shadow: 0 30px 60px -15px rgba(74, 28, 9, 0.15);
  position: relative;
  animation: modalScaleIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes modalScaleIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.auth-modal h2 {
  margin-bottom: 1rem;
  font-size: 1.8rem;
  color: var(--text-primary);
}

.auth-modal p {
  margin-bottom: 1.2rem;
  color: var(--text-secondary);
}

.auth-input {
  width: 100%;
  padding: 1rem 1.2rem;
  border: 1px solid rgba(74, 28, 9, 0.1);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.8);
  font-family: var(--body-font);
  margin-bottom: 1.2rem;
  transition: var(--transition);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.auth-input:focus {
  outline: none;
  background: #FFFFFF;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(74, 28, 9, 0.1), inset 0 2px 4px rgba(0,0,0,0.01);
}

.auth-modal .btn {
  width: 100%;
  padding: 1rem;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(74, 28, 9, 0.2);
}

.auth-modal .btn:hover {
  background: var(--accent-light);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(74, 28, 9, 0.3);
}

.close-modal {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
}

.close-modal:hover {
  color: var(--accent);
}

/* OTP Section */
#otp-section {
  display: none;
  margin-top: 0.8rem;
}

#otp-section.active {
  display: block;
}

/* Animations */
@keyframes fadeInSmooth {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}