/* ============================================
   Firebase Authentication Styles
   ============================================ */

/* Login Modal */
#firebaseLoginModal {
  max-width: 420px;
  border-radius: 16px;
  overflow: hidden;
  max-height: 90vh;
}

#firebaseLoginModal .modal-content {
  padding: 0;
}

.firebase-login-wrapper {
  padding: 32px 28px 24px;
}

.firebase-login-header {
  text-align: center;
  margin-bottom: 24px;
}

.firebase-login-header h5 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--login-title-color, #333);
}

.firebase-login-header p {
  font-size: 0.9rem;
  color: var(--login-subtitle-color, #888);
  margin: 0;
}

/* Tabs */
.firebase-auth-tabs {
  display: flex;
  border-bottom: 2px solid #eee;
  margin-bottom: 24px;
}

.firebase-auth-tab {
  flex: 1;
  text-align: center;
  padding: 10px 0;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  color: #aaa;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.3s, border-color 0.3s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.firebase-auth-tab:hover {
  color: #666;
}

.firebase-auth-tab.active {
  color: #1565C0;
  border-bottom-color: #1565C0;
}

/* Form Panels */
.firebase-auth-panel {
  display: none;
}

.firebase-auth-panel.active {
  display: block;
  animation: firebaseFadeIn 0.3s ease;
}

@keyframes firebaseFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Input Fields */
.firebase-input-group {
  position: relative;
  margin-bottom: 20px;
}

.firebase-input-group i.prefix-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: #aaa;
  font-size: 1rem;
  transition: color 0.3s;
  pointer-events: none;
}

.firebase-input-group input {
  width: 100% !important;
  height: 48px !important;
  padding: 0 16px 0 44px !important;
  border: 2px solid #e0e0e0 !important;
  border-radius: 10px !important;
  font-size: 0.95rem !important;
  outline: none !important;
  transition: border-color 0.3s, box-shadow 0.3s !important;
  box-sizing: border-box !important;
  background: var(--login-input-bg, #fafafa) !important;
  color: var(--login-input-color, #333) !important;
  margin-bottom: 0 !important;
}

.firebase-input-group input:focus {
  border-color: #1565C0 !important;
  box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.12) !important;
}

.firebase-input-group input:focus + i.prefix-icon,
.firebase-input-group input:focus ~ i.prefix-icon {
  color: #1565C0;
}

.firebase-input-group input::placeholder {
  color: #bbb;
}

/* Buttons */
.firebase-submit-btn {
  width: 100%;
  height: 48px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, #1565C0, #1E88E5);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.3s, opacity 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 8px;
}

.firebase-submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(21, 101, 192, 0.3);
}

.firebase-submit-btn:active {
  transform: translateY(0);
}

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

.firebase-submit-btn .btn-spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: firebaseSpin 0.6s linear infinite;
}

.firebase-submit-btn.loading .btn-spinner {
  display: inline-block;
}

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

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

/* Divider */
.firebase-divider {
  display: flex;
  align-items: center;
  margin: 20px 0;
  color: #bbb;
  font-size: 0.85rem;
}

.firebase-divider::before,
.firebase-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: #e0e0e0;
}

.firebase-divider span {
  padding: 0 14px;
}

/* Google Sign-In Button */
.firebase-google-btn {
  width: 100%;
  height: 48px;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  background: var(--login-google-bg, #fff);
  color: var(--login-google-color, #444);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.2s;
}

.firebase-google-btn:hover {
  border-color: #ccc;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transform: translateY(-1px);
}

.firebase-google-btn:active {
  transform: translateY(0);
}

.firebase-google-btn svg {
  width: 20px;
  height: 20px;
}

/* Error Message */
.firebase-error-msg {
  display: none;
  padding: 10px 14px;
  margin-bottom: 16px;
  border-radius: 8px;
  background: #FFF3F3;
  border: 1px solid #FFD0D0;
  color: #D32F2F;
  font-size: 0.85rem;
  line-height: 1.4;
  animation: firebaseFadeIn 0.3s ease;
}

.firebase-error-msg.show {
  display: block;
}

/* Success Message */
.firebase-success-msg {
  display: none;
  padding: 10px 14px;
  margin-bottom: 16px;
  border-radius: 8px;
  background: #E8F5E9;
  border: 1px solid #A5D6A7;
  color: #2E7D32;
  font-size: 0.85rem;
  line-height: 1.4;
  animation: firebaseFadeIn 0.3s ease;
}

.firebase-success-msg.show {
  display: block;
}

/* Forgot password link */
.firebase-forgot-password {
  text-align: right;
  margin-top: -12px;
  margin-bottom: 16px;
}

.firebase-forgot-password a {
  font-size: 0.85rem;
  color: #1565C0;
  text-decoration: none;
  transition: color 0.3s;
}

.firebase-forgot-password a:hover {
  color: #0D47A1;
  text-decoration: underline;
}

/* ============================================
   Navigation Bar User UI
   ============================================ */

/* Login button in nav */
#firebaseLoginBtn i {
  font-size: 1.1rem;
}

/* User avatar in nav */
#firebaseUserBtn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 10px;
  height: 64px;
}

#firebaseUserAvatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,0.6);
  transition: border-color 0.3s;
}

#firebaseUserBtn:hover #firebaseUserAvatar {
  border-color: rgba(255,255,255,1);
}

/* User dropdown */
.firebase-user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 200px;
  background: var(--login-dropdown-bg, #fff);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  padding: 12px 0;
  z-index: 1000;
  display: none;
  animation: firebaseDropdownIn 0.2s ease;
}

.firebase-user-dropdown.show {
  display: block;
}

@keyframes firebaseDropdownIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.firebase-user-dropdown-header {
  padding: 8px 16px 12px;
  border-bottom: 1px solid #eee;
  text-align: center;
}

.firebase-user-dropdown-header img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 6px;
}

.firebase-user-dropdown-header .name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--login-dropdown-name-color, #333);
}

.firebase-user-dropdown-header .email {
  font-size: 0.8rem;
  color: #999;
  word-break: break-all;
}

.firebase-user-dropdown-item {
  display: block;
  padding: 10px 16px;
  color: var(--login-dropdown-item-color, #555);
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s;
  text-align: left;
  width: 100%;
  border: none;
  background: none;
}

.firebase-user-dropdown-item:hover {
  background: var(--login-dropdown-hover-bg, #f5f5f5);
}

.firebase-user-dropdown-item i {
  margin-right: 8px;
  width: 20px;
  text-align: center;
}

.firebase-user-dropdown-item.danger {
  color: #D32F2F;
}

/* ============================================
   Mobile Sidebar Firebase User Section
   ============================================ */
.firebase-mobile-user {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.firebase-mobile-user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.firebase-mobile-user-info img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.firebase-mobile-user-info .info {
  flex: 1;
  overflow: hidden;
}

.firebase-mobile-user-info .name {
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.firebase-mobile-user-info .email {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.7);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.firebase-mobile-logout-btn {
  width: 100%;
  padding: 8px 16px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 8px;
  background: transparent;
  color: rgba(255,255,255,0.9);
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.3s;
}

.firebase-mobile-logout-btn:hover {
  background: rgba(255,255,255,0.1);
}

.firebase-mobile-login-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 16px;
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.3s;
  background: none;
  border: none;
  text-align: left;
}

.firebase-mobile-login-btn:hover {
  background: rgba(255,255,255,0.1);
}

.firebase-mobile-login-btn i {
  font-size: 1.1rem;
}

/* ============================================
   Dark Mode Overrides
   ============================================ */
.dark-theme #firebaseLoginModal,
[data-color-mode="dark"] #firebaseLoginModal {
  --login-title-color: #e0e0e0;
  --login-subtitle-color: #999;
  --login-input-bg: #2a2a2a;
  --login-input-color: #e0e0e0;
  --login-google-bg: #2a2a2a;
  --login-google-color: #ccc;
}

.dark-theme .firebase-user-dropdown,
[data-color-mode="dark"] .firebase-user-dropdown {
  --login-dropdown-bg: #333;
  --login-dropdown-name-color: #e0e0e0;
  --login-dropdown-item-color: #ccc;
  --login-dropdown-hover-bg: #444;
}

.dark-theme #firebaseLoginModal {
  background: #1e1e1e;
}

.dark-theme .firebase-auth-tabs {
  border-bottom-color: #444;
}

.dark-theme .firebase-input-group input {
  border-color: #444;
}

.dark-theme .firebase-google-btn {
  border-color: #444;
}

.dark-theme .firebase-divider::before,
.dark-theme .firebase-divider::after {
  background: #444;
}

.dark-theme .firebase-error-msg {
  background: #3a1a1a;
  border-color: #5a2a2a;
}

.dark-theme .firebase-success-msg {
  background: #1a3a1a;
  border-color: #2a5a2a;
}

.dark-theme .firebase-user-dropdown-header {
  border-bottom-color: #444;
}

/* ============================================
   Responsive
   ============================================ */
@media screen and (max-width: 600px) {
  #firebaseLoginModal {
    max-width: 95%;
    width: 95% !important;
    margin: 5% auto;
    border-radius: 12px;
  }

  .firebase-login-wrapper {
    padding: 24px 20px 20px;
  }
}