src/app/components/styles/Navbar.css

/* LearnixNavbar.css - Clean, Creative, Responsive Design */

/* Reset and Base */
* {
  box-sizing: border-box;
}

body {
  padding-top: 70px;
  margin: 0;
}

/* Main Navbar Container */
.learnix-navbar-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background-color: #ffffff;
  border-bottom: 2px solid #e5f3ff;
  height: 70px;
  transition: all 0.3s ease;
}

.learnix-navbar-container:hover {
  box-shadow: 0 2px 12px rgba(59, 130, 246, 0.08);
}

/* Logo Brand Section */
.learnix-navbar-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.learnix-logo-link {
  display: block;
  transition: transform 0.2s ease;
}

.learnix-logo-link:hover {
  transform: scale(1.02);
}

.learnix-logo-image {
  height: auto;
  max-height: 42px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  transition: opacity 0.2s ease;
}

.learnix-logo-image:hover {
  opacity: 0.9;
}

/* Menu Toggle Button */
.learnix-menu-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background-color: #ffffff;
  border: 1px solid #e5f3ff;
  border-radius: 8px;
  color: #1f2937;
  cursor: pointer;
  transition: all 0.25s ease;
}

.learnix-menu-toggle-btn:hover {
  background-color: #f0f9ff;
  border-color: #3b82f6;
  color: #3b82f6;
  transform: translateY(-1px);
}

.learnix-menu-toggle-btn:active {
  transform: translateY(0);
}

.learnix-menu-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
}

.learnix-menu-toggle-btn:hover .learnix-menu-icon {
  transform: rotate(90deg);
}

/* Navbar Right Section */
.learnix-navbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Notification Bell */
.learnix-notification-wrapper {
  position: relative;
}

.learnix-notification-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background-color: #ffffff;
  border: 1px solid #e5f3ff;
  border-radius: 8px;
  color: #1f2937;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
}

.learnix-notification-btn:hover {
  background-color: #f0f9ff;
  border-color: #3b82f6;
  color: #3b82f6;
  transform: translateY(-1px);
}

.learnix-notification-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background-color: #ef4444;
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: learnix-badge-pulse 2s infinite;
}

@keyframes learnix-badge-pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

/* Notification Popup */
.learnix-notification-popup {
  position: absolute;
  top: 54px;
  right: 0;
  width: 360px;
  max-height: 480px;
  background-color: #ffffff;
  border: 1px solid #e5f3ff;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(14, 165, 233, 0.15);
  z-index: 1100;
  animation: learnix-popup-slide 0.2s ease-out;
  overflow: hidden;
}

@keyframes learnix-popup-slide {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.learnix-notif-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background-color: #f0f9ff;
  border-bottom: 1px solid #e5f3ff;
}

.learnix-notif-header h4 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: #1f2937;
}

.learnix-notif-count {
  font-size: 0.8rem;
  color: #0ea5e9;
  font-weight: 500;
  background-color: #dbeafe;
  padding: 3px 10px;
  border-radius: 12px;
}

.learnix-notif-list {
  max-height: 400px;
  overflow-y: auto;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE and Edge */
}

.learnix-notif-list::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

.learnix-notif-loading,
.learnix-notif-empty {
  padding: 32px 16px;
  text-align: center;
  color: #94a3b8;
}

.learnix-notif-empty svg {
  margin-bottom: 8px;
  color: #cbd5e1;
}

.learnix-notif-empty p {
  margin: 0;
  font-size: 0.9rem;
}

.learnix-notif-item {
  display: flex;
  align-items: stretch;
  padding: 0;
  border-bottom: 1px solid #f1f5f9;
  text-decoration: none;
  transition: background-color 0.2s ease;
  overflow: hidden;
}

.learnix-notif-item:hover {
  background-color: #f8fafc;
}

.learnix-notif-unread {
  background-color: #fffbeb;
  border-left: 3px solid #f59e0b;
}

.learnix-notif-unread:hover {
  background-color: #fef3c7;
}

.learnix-notif-link-area {
  flex: 1;
  display: block;
  padding: 14px 16px;
  text-decoration: none;
  min-width: 0;
}

.learnix-mark-read-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  background-color: transparent;
  border: none;
  border-left: 1px solid #f1f5f9;
  color: #94a3b8;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.learnix-mark-read-btn:hover {
  background-color: #dcfce7;
  color: #22c55e;
}

.learnix-notif-content {
  margin-bottom: 6px;
  overflow: hidden;
}

.learnix-notif-text {
  margin: 0 0 4px 0;
  font-size: 0.85rem;
  color: #374151;
  line-height: 1.4;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.learnix-notif-text strong {
  color: #0ea5e9;
  word-break: break-word;
}

.learnix-notif-time {
  font-size: 0.75rem;
  color: #94a3b8;
}

.learnix-notif-link {
  font-size: 0.8rem;
  color: #3b82f6;
  font-weight: 500;
}

/* Load More Button */
.learnix-notif-load-more {
  padding: 12px 16px;
  text-align: center;
  border-top: 1px solid #e5f3ff;
}

.learnix-load-more-btn {
  width: 100%;
  padding: 10px 16px;
  background-color: #f0f9ff;
  border: 1px solid #0ea5e9;
  border-radius: 8px;
  color: #0ea5e9;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.learnix-load-more-btn:hover:not(:disabled) {
  background-color: #0ea5e9;
  color: #ffffff;
}

.learnix-load-more-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.learnix-notif-all-loaded {
  padding: 12px 16px;
  text-align: center;
  font-size: 0.8rem;
  color: #94a3b8;
  background-color: #f8fafc;
  border-top: 1px solid #e5f3ff;
}

/* Responsive adjustments for notification popup */
@media (max-width: 768px) {
  .learnix-notification-popup {
    position: fixed;
    top: 70px;
    left: 16px;
    right: 16px;
    width: auto;
    max-height: calc(100vh - 100px);
  }
  
  .learnix-notif-list {
    max-height: calc(100vh - 200px);
  }
  
  .learnix-notif-text {
    font-size: 0.8rem;
  }
  
  .learnix-notif-item {
    padding: 12px 14px;
  }
}

@media (max-width: 480px) {
  .learnix-notification-popup {
    left: 8px;
    right: 8px;
    top: 70px;
    max-height: calc(100vh - 90px);
    border-radius: 10px;
  }
  
  .learnix-notif-header {
    padding: 12px 14px;
  }
  
  .learnix-notif-header h4 {
    font-size: 0.95rem;
  }
  
  .learnix-notif-count {
    font-size: 0.75rem;
    padding: 2px 8px;
  }
  
  .learnix-notif-item {
    padding: 10px 12px;
  }
  
  .learnix-notif-text {
    font-size: 0.78rem;
    line-height: 1.35;
  }
  
  .learnix-notif-text strong {
    word-break: break-word;
  }
  
  .learnix-notif-time {
    font-size: 0.7rem;
  }
  
  .learnix-notif-link {
    font-size: 0.75rem;
  }
  
  .learnix-load-more-btn {
    padding: 8px 14px;
    font-size: 0.8rem;
  }
  
  .learnix-notif-all-loaded {
    padding: 10px 14px;
    font-size: 0.75rem;
  }
  
  .learnix-notification-btn {
    width: 40px;
    height: 40px;
  }
  
  .learnix-notification-badge {
    min-width: 16px;
    height: 16px;
    font-size: 0.65rem;
    top: -3px;
    right: -3px;
  }
}

@media (max-width: 360px) {
  .learnix-notification-popup {
    left: 4px;
    right: 4px;
  }
  
  .learnix-notif-text {
    font-size: 0.75rem;
  }
  
  .learnix-navbar-right {
    gap: 8px;
  }
  
  .learnix-notification-btn,
  .learnix-menu-toggle-btn {
    width: 38px;
    height: 38px;
  }
}

/* Sidebar Backdrop */
.learnix-sidebar-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 1001;
  animation: learnix-fade-in 0.25s ease;
}

@keyframes learnix-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Navigation Sidebar */
.learnix-navigation-sidebar {
  position: fixed;
  top: 0;
  right: -350px;
  height: 100vh;
  width: 320px;
  background-color: #ffffff;
  box-shadow: -3px 0 15px rgba(0, 0, 0, 0.1);
  z-index: 1002;
  transition: right 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
  overflow-y: auto;
  border-left: 1px solid #e5f3ff;
}

.learnix-sidebar-active {
  right: 0;
}

/* Sidebar Header */
.learnix-sidebar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background-color: #fbbf24;
  border-bottom: 1px solid #f59e0b;
}

.learnix-sidebar-logo {
  flex-shrink: 0;
}

.learnix-sidebar-logo-img {
  height: auto;
  max-height: 32px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
}

/* Sidebar Close Button */
.learnix-sidebar-close-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  background-color: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 6px;
  color: #1f2937;
  cursor: pointer;
  transition: all 0.2s ease;
}

.learnix-sidebar-close-button:hover {
  background-color: rgba(255, 255, 255, 0.3);
  transform: rotate(90deg);
}

/* Sidebar Menu */
.learnix-sidebar-menu {
  padding: 1.5rem 1rem;
}

.learnix-nav-item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.875rem 1rem;
  color: #4b5563;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.2s ease;
  margin-bottom: 0.375rem;
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  background-color: transparent;
  border: none;
  width: 100%;
  cursor: pointer;
}

.learnix-nav-item:hover {
  background-color: #3b82f6;
  color: #ffffff;
  transform: translateX(4px);
}

.learnix-nav-item:active {
  transform: translateX(2px);
}

.learnix-nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.learnix-nav-item:hover .learnix-nav-icon {
  transform: scale(1.1);
}

.learnix-nav-text {
  flex: 1;
  text-align: left;
}

.learnix-signout-btn {
  margin-top: 1rem;
  border-top: 1px solid #e5f3ff;
  padding-top: 1.25rem;
}

.learnix-signout-btn:hover {
  background-color: #ef4444;
}

/* Admin Dashboard sidebar link */
.learnix-nav-admin {
  color: #7c3aed !important;
  font-weight: 600;
  background-color: #f5f3ff;
}

.learnix-nav-admin:hover {
  background-color: #ede9fe !important;
  color: #5b21b6 !important;
}

.learnix-nav-admin .learnix-nav-icon {
  color: #7c3aed;
}

/* Responsive Design */

/* Large Tablets and Small Desktops */
@media (max-width: 1024px) {
  .learnix-navbar-container {
    padding: 0.75rem 1.25rem;
  }
  
  .learnix-logo-image {
    max-width: 140px;
    max-height: 38px;
  }
}

/* Tablets */
@media (max-width: 768px) {
  body {
    padding-top: 65px;
  }

  .learnix-navbar-container {
    padding: 0.625rem 1rem;
    height: 65px;
  }
  
  .learnix-logo-image {
    max-width: 120px;
    max-height: 35px;
  }
  
  .learnix-menu-toggle-btn {
    width: 42px;
    height: 42px;
  }
  
  .learnix-navigation-sidebar {
    width: 300px;
    max-width: 85vw;
  }
  
  .learnix-sidebar-top {
    padding: 1rem 1.25rem;
  }
  
  .learnix-sidebar-menu {
    padding: 1.25rem 0.875rem;
  }
  
  .learnix-nav-item {
    padding: 0.75rem 0.875rem;
    font-size: 0.9rem;
  }
}

/* Mobile Devices */
@media (max-width: 480px) {
  body {
    padding-top: 60px;
  }

  .learnix-navbar-container {
    padding: 0.5rem 0.875rem;
    height: 60px;
  }
  
  .learnix-logo-image {
    max-width: 100px;
    max-height: 30px;
  }
  
  .learnix-menu-toggle-btn {
    width: 40px;
    height: 40px;
  }
  
  .learnix-navigation-sidebar {
    width: 280px;
    max-width: 80vw;
  }
  
  .learnix-sidebar-top {
    padding: 0.875rem 1rem;
  }
  
  .learnix-sidebar-logo-img {
    max-height: 28px;
    max-width: 100px;
  }
  
  .learnix-sidebar-close-button {
    width: 32px;
    height: 32px;
  }
  
  .learnix-sidebar-menu {
    padding: 1rem 0.75rem;
  }
  
  .learnix-nav-item {
    padding: 0.625rem 0.75rem;
    font-size: 0.875rem;
    gap: 0.75rem;
  }
}

/* Small Mobile Devices */
@media (max-width: 360px) {
  .learnix-navbar-container {
    padding: 0.5rem 0.75rem;
  }
  
  .learnix-logo-image {
    max-width: 85px;
    max-height: 26px;
  }
  
  .learnix-navigation-sidebar {
    width: 260px;
    max-width: 75vw;
  }
  
  .learnix-sidebar-top {
    padding: 0.75rem 0.875rem;
  }
  
  .learnix-sidebar-menu {
    padding: 0.875rem 0.625rem;
  }
  
  .learnix-nav-item {
    padding: 0.5rem 0.625rem;
    font-size: 0.8rem;
  }
}

/* Accessibility & Performance */

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .learnix-navbar-container,
  .learnix-navigation-sidebar,
  .learnix-menu-toggle-btn,
  .learnix-nav-item,
  .learnix-sidebar-close-button,
  .learnix-logo-link,
  .learnix-menu-icon,
  .learnix-nav-icon {
    transition: none;
    animation: none;
  }
}

/* High Contrast Support */
@media (prefers-contrast: high) {
  .learnix-navbar-container {
    border-bottom-width: 3px;
  }
  
  .learnix-nav-item {
    border: 1px solid transparent;
  }
  
  .learnix-nav-item:hover {
    border-color: #ffffff;
  }
}

/* Focus Management */
.learnix-menu-toggle-btn:focus,
.learnix-nav-item:focus,
.learnix-sidebar-close-button:focus,
.learnix-logo-link:focus {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .learnix-navbar-container,
  .learnix-navigation-sidebar,
  .learnix-sidebar-backdrop {
    display: none;
  }
  
  body {
    padding-top: 0;
  }
}

/* Loading State */
.learnix-logo-image[data-loading="true"] {
  opacity: 0.5;
}

/* Error State */
.learnix-logo-image[data-error="true"] {
  display: none;
}

.learnix-logo-image[data-error="true"]::after {
  content: "Learnix";
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: #3b82f6;
}

/* ── Support Chat (sidebar bottom) ────────────────────────────── */
.learnix-support-chat {
  border-top: 1px solid #e5f3ff;
  margin-top: auto;
  position: sticky;
  bottom: 0;
  background: #fff;
  z-index: 10;
}

/* Toggle header button */
.learnix-support-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.875rem 1.25rem;
  background: #f0f9ff;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: #1e40af;
  transition: background 0.2s ease;
  gap: 0.5rem;
}

.learnix-support-toggle:hover {
  background: #dbeafe;
}

.learnix-support-toggle--open {
  background: #3b82f6;
  color: #fff;
}

.learnix-support-toggle--open:hover {
  background: #2563eb;
}

.learnix-support-toggle-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.learnix-support-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fbbf24;
  color: #1f2937;
  font-size: 0.65rem;
  font-weight: 700;
}

/* Expandable body */
.learnix-support-body {
  display: flex;
  flex-direction: column;
  border-top: 1px solid #e5f3ff;
  background: #fff;
  animation: learnix-support-expand 0.22s ease both;
}

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

/* Message list */
.learnix-support-messages {
  max-height: 240px;
  overflow-y: auto;
  padding: 0.875rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  scroll-behavior: smooth;
}

.learnix-support-messages::-webkit-scrollbar { width: 4px; }
.learnix-support-messages::-webkit-scrollbar-track { background: transparent; }
.learnix-support-messages::-webkit-scrollbar-thumb { background: #bfdbfe; border-radius: 4px; }

.learnix-support-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: #93c5fd;
  font-size: 0.82rem;
  padding: 1.25rem 0;
  text-align: center;
}

/* Individual message bubbles */
.learnix-support-msg {
  max-width: 88%;
  padding: 0.55rem 0.8rem;
  border-radius: 12px;
  font-size: 0.82rem;
  line-height: 1.5;
  word-break: break-word;
}

.learnix-support-msg--user {
  background: #3b82f6;
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.learnix-support-msg--bot {
  background: #f1f5f9;
  color: #1f2937;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

/* Typing indicator */
.learnix-support-typing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0.6rem 0.9rem;
}

.learnix-support-typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #93c5fd;
  animation: learnix-support-dot 1.2s infinite;
  display: inline-block;
}

.learnix-support-typing span:nth-child(2) { animation-delay: 0.2s; }
.learnix-support-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes learnix-support-dot {
  0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
  40%           { transform: scale(1.2); opacity: 1; }
}

/* Input row */
.learnix-support-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.875rem 0.875rem;
  border-top: 1px solid #e5f3ff;
}

.learnix-support-input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1.5px solid #bfdbfe;
  border-radius: 8px;
  font-size: 0.82rem;
  color: #1f2937;
  outline: none;
  transition: border-color 0.18s ease;
  background: #f8fafc;
}

.learnix-support-input:focus {
  border-color: #3b82f6;
  background: #fff;
}

.learnix-support-input:disabled {
  opacity: 0.6;
}

.learnix-support-send {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: none;
  background: #3b82f6;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.18s ease, transform 0.1s ease;
}

.learnix-support-send:hover:not(:disabled) {
  background: #2563eb;
  transform: scale(1.06);
}

.learnix-support-send:disabled {
  background: #bfdbfe;
  cursor: not-allowed;
}