/* ============================================
   Modern Features CSS
   Chatbot, Dark Mode, Notifications, etc.
   ============================================ */

/* ========== Dark Mode ========== */
body.dark-mode {
  --primary-white: #1A1A1A;
  --secondary-grey: #2A2A2A;
  --primary-navy: #E5C46F;
  --primary-gold: #CFA64E;
  --grey-medium: #CCCCCC;
  --grey-dark: #F5F5F5;
  --contrast-grey: #0A0A0A;
}

.dark-mode .header {
  background: rgba(26, 26, 26, 0.95);
}

.dark-mode .hero {
  background: linear-gradient(135deg, #0A0A0A 0%, #1A1A1A 50%, #2A2A2A 100%);
}

.dark-mode img {
  opacity: 0.9;
}

/* ========== Dark Mode Toggle ========== */
.dark-mode-toggle {
  position: fixed;
  bottom: 100px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background: var(--primary-gold);
  color: var(--primary-navy);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-xl);
  z-index: var(--z-fixed);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all var(--transition-base);
}

.dark-mode-toggle:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-gold);
}

/* ========== Back to Top Button ========== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background: var(--primary-navy);
  color: var(--primary-white);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-xl);
  z-index: var(--z-fixed);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--navy-dark);
  transform: translateY(-5px);
  box-shadow: var(--shadow-navy);
}

/* ========== Chatbot Widget ========== */
.chatbot-widget {
  position: fixed;
  bottom: 30px;
  left: 30px;
  z-index: var(--z-modal);
}

.chatbot-trigger {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: var(--primary-white);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  position: relative;
  transition: all var(--transition-base);
  animation: pulse-chatbot 2s infinite;
}

@keyframes pulse-chatbot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(35, 45, 133, 0.7); }
  50% { box-shadow: 0 0 0 10px rgba(35, 45, 133, 0); }
}

.chatbot-trigger:hover {
  transform: scale(1.1);
}

.chatbot-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  background: var(--error);
  color: white;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.chatbot-window {
  position: absolute;
  bottom: 80px;
  left: 0;
  width: 380px;
  height: 500px;
  background: var(--primary-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.9);
  transition: all var(--transition-base);
}

.chatbot-window.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.chatbot-header {
  background: var(--gradient-primary);
  color: var(--primary-white);
  padding: var(--space-lg);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chatbot-header-content {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.chatbot-header-content i {
  font-size: 2rem;
}

.chatbot-header h4 {
  margin: 0;
  font-size: var(--fs-md);
}

.chatbot-status {
  font-size: var(--fs-xs);
  opacity: 0.9;
  display: flex;
  align-items: center;
  gap: 5px;
}

.chatbot-status::before {
  content: '';
  width: 8px;
  height: 8px;
  background: #28A745;
  border-radius: 50%;
  animation: blink 1.5s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.chatbot-close {
  background: transparent;
  border: none;
  color: var(--primary-white);
  font-size: 1.2rem;
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  transition: background var(--transition-base);
}

.chatbot-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.chatbot-messages {
  flex: 1;
  padding: var(--space-lg);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.chatbot-messages::-webkit-scrollbar {
  width: 6px;
}

.chatbot-messages::-webkit-scrollbar-thumb {
  background: var(--grey-light);
  border-radius: 3px;
}

.chatbot-message {
  display: flex;
  animation: slideInMessage 0.3s ease-out;
}

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

.chatbot-message.bot {
  justify-content: flex-start;
}

.chatbot-message.user {
  justify-content: flex-end;
}

.chatbot-message-content {
  max-width: 80%;
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  line-height: 1.6;
}

.chatbot-message.bot .chatbot-message-content {
  background: var(--secondary-grey);
  color: var(--grey-dark);
}

.chatbot-message.user .chatbot-message-content {
  background: var(--primary-navy);
  color: var(--primary-white);
}

.chatbot-message-content p {
  margin: 0;
  font-size: var(--fs-sm);
}

.chatbot-link {
  color: var(--primary-gold);
  text-decoration: underline;
  font-weight: var(--fw-semibold);
}

.chatbot-quick-replies {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.quick-reply {
  padding: var(--space-sm) var(--space-md);
  background: var(--primary-white);
  border: 2px solid var(--primary-navy);
  border-radius: var(--radius-full);
  color: var(--primary-navy);
  font-size: var(--fs-xs);
  cursor: pointer;
  transition: all var(--transition-base);
}

.quick-reply:hover {
  background: var(--primary-navy);
  color: var(--primary-white);
}

.chatbot-input {
  padding: var(--space-md);
  border-top: 1px solid var(--grey-light);
  display: flex;
  gap: var(--space-sm);
}

.chatbot-input input {
  flex: 1;
  padding: var(--space-md);
  border: 2px solid var(--grey-light);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  outline: none;
  transition: border-color var(--transition-base);
}

.chatbot-input input:focus {
  border-color: var(--primary-gold);
}

.chatbot-input button {
  width: 40px;
  height: 40px;
  background: var(--primary-gold);
  color: var(--primary-navy);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
}

.chatbot-input button:hover {
  background: var(--gold-dark);
  transform: scale(1.1);
}

/* Mobile Adjustments */
@media (max-width: 768px) {
  .chatbot-window {
    width: calc(100vw - 40px);
    height: 70vh;
    left: 50%;
    transform: translateX(-50%) translateY(20px) scale(0.9);
  }
  
  .chatbot-window.active {
    transform: translateX(-50%) translateY(0) scale(1);
  }
  
  .dark-mode-toggle,
  .back-to-top {
    width: 45px;
    height: 45px;
    right: 20px;
  }
  
  .dark-mode-toggle {
    bottom: 85px;
  }
  
  .back-to-top {
    bottom: 20px;
  }
}

/* ========== Notification System ========== */
.notification {
  position: fixed;
  top: 100px;
  right: -400px;
  background: var(--primary-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-width: 300px;
  max-width: 400px;
  z-index: var(--z-modal);
  transition: right var(--transition-base);
}

.notification.show {
  right: 30px;
}

.notification i:first-child {
  font-size: 1.5rem;
}

.notification-success {
  border-left: 4px solid var(--success);
}

.notification-success i:first-child {
  color: var(--success);
}

.notification-error {
  border-left: 4px solid var(--error);
}

.notification-error i:first-child {
  color: var(--error);
}

.notification-info {
  border-left: 4px solid var(--info);
}

.notification-info i:first-child {
  color: var(--info);
}

.notification span {
  flex: 1;
  color: var(--grey-dark);
}

.notification-close {
  background: transparent;
  border: none;
  color: var(--grey-medium);
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.notification-close:hover {
  background: var(--secondary-grey);
  color: var(--grey-dark);
}

/* ========== Search Bar (Global) ========== */
.search-toggle {
  background: transparent;
  border: none;
  color: var(--primary-navy);
  font-size: 1.2rem;
  cursor: pointer;
  padding: var(--space-sm);
  transition: color var(--transition-base);
}

.search-toggle:hover {
  color: var(--primary-gold);
}

.global-search {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.global-search.active {
  opacity: 1;
  visibility: visible;
}

.search-container {
  width: 90%;
  max-width: 600px;
  position: relative;
}

.search-container input {
  width: 100%;
  padding: var(--space-xl);
  font-size: var(--fs-2xl);
  border: none;
  border-bottom: 2px solid var(--primary-gold);
  background: transparent;
  color: var(--primary-white);
  outline: none;
}

.search-container input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.search-close {
  position: absolute;
  top: -50px;
  right: 0;
  background: transparent;
  border: none;
  color: var(--primary-white);
  font-size: 2rem;
  cursor: pointer;
  padding: var(--space-md);
}

/* ========== Form Styles ========== */
.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--error);
}

.form-input.valid,
.form-textarea.valid,
.form-select.valid {
  border-color: var(--success);
}

.form-error.visible {
  color: var(--error);
  font-size: var(--fs-sm);
  margin-top: var(--space-xs);
}