/* ============================================
   AUTH SYSTEM - LOGIN/REGISTER/NAVBAR
   ============================================ */

/* Navbar User Section */
.navbar-user {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
}

.auth-buttons {
  display: flex;
  gap: 0.5rem;
}

.login-btn {
  background: transparent;
  color: #667eea;
  border: 2px solid #667eea;
  padding: 0.5rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.login-btn:hover {
  background: #667eea;
  color: white;
}

.signup-btn {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  padding: 0.5rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.signup-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

/* User Dropdown */
.user-dropdown {
  position: relative;
  cursor: pointer;
}

.user-trigger {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: white;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  transition: all 0.2s;
}

.user-trigger:hover {
  border-color: #667eea;
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.1);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
}

.user-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.user-name {
  font-weight: 600;
  color: #1f2937;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.expert-badge {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: white;
  font-size: 0.7rem;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.dropdown-arrow {
  font-size: 0.7rem;
  color: #6b7280;
  transition: transform 0.2s;
}

.user-dropdown.active .dropdown-arrow {
  transform: rotate(180deg);
}

.user-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s;
  z-index: 1000;
}

.user-dropdown.active .user-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-menu a,
.user-menu button {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  text-align: left;
  border: none;
  background: none;
  color: #374151;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border-radius: 0;
}

.user-menu a:hover,
.user-menu button:hover {
  background: #f3f4f6;
  color: #667eea;
}

.user-menu a:first-child {
  border-radius: 8px 8px 0 0;
}

.user-menu button:last-child {
  border-radius: 0 0 8px 8px;
  border-top: 1px solid #e5e7eb;
  color: #ef4444;
}

.user-menu button:last-child:hover {
  background: #fef2f2;
  color: #dc2626;
}

/* Auth Modal */
.auth-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s;
}

.auth-modal.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.auth-modal-content {
  background: white;
  border-radius: 16px;
  padding: 2rem;
  max-width: 450px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.3s;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.auth-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: #f3f4f6;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #6b7280;
  transition: all 0.2s;
}

.auth-modal-close:hover {
  background: #e5e7eb;
  color: #374151;
  transform: rotate(90deg);
}

.auth-modal-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-modal-header h2 {
  font-size: 1.75rem;
  color: #1f2937;
  margin-bottom: 0.5rem;
}

.auth-modal-header p {
  color: #6b7280;
  font-size: 0.9rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 600;
  color: #374151;
  font-size: 0.9rem;
}

.form-group input {
  padding: 0.75rem 1rem;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input::placeholder {
  color: #9ca3af;
}

.form-error {
  color: #ef4444;
  font-size: 0.85rem;
  display: none;
  margin-top: 0.25rem;
}

.form-error.active {
  display: block;
}

.forgot-password {
  text-align: right;
  font-size: 0.85rem;
  color: #667eea;
  cursor: pointer;
  text-decoration: none;
  transition: color 0.2s;
}

.forgot-password:hover {
  color: #764ba2;
}

.auth-submit-btn {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  padding: 0.875rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 0.5rem;
}

.auth-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.auth-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 1.5rem 0;
  color: #9ca3af;
  font-size: 0.85rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid #e5e7eb;
}

.auth-divider span {
  padding: 0 1rem;
}

.google-auth-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.875rem 1.5rem;
  border: 2px solid #e5e7eb;
  background: white;
  border-radius: 8px;
  font-weight: 600;
  color: #374151;
  cursor: pointer;
  transition: all 0.2s;
}

.google-auth-btn:hover {
  border-color: #667eea;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.google-icon {
  width: 20px;
  height: 20px;
}

.auth-toggle {
  text-align: center;
  margin-top: 1.5rem;
  color: #6b7280;
  font-size: 0.9rem;
}

.auth-toggle a {
  color: #667eea;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.auth-toggle a:hover {
  color: #764ba2;
  text-decoration: underline;
}

/* Loading state */
.auth-submit-btn.loading::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-left: 0.5rem;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Mobile responsive */
@media (max-width: 768px) {
  .user-name {
    display: none;
  }

  .auth-modal-content {
    padding: 1.5rem;
    margin: 1rem;
  }

  .auth-buttons {
    gap: 0.25rem;
  }

  .login-btn,
  .signup-btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
}


/* Match selects to auth inputs */
.form-group select{
  padding: 0.75rem 1rem;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.2s;
  background: #ffffff;
  color: #1f2937;
}

.form-group select:focus{
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}