@import url('https://fonts.googleapis.com/css2?family=Almarai');

html {
  height: 100%;
}

html, body {
    height: 100%;
}

body {
    font-family: 'Almarai', sans-serif;
    background: linear-gradient(160deg, #eef2ff 0%, #f6f8ff 35%, #e9eefb 100%) fixed;
    background-attachment: fixed;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Course page body styling */
.courses-page-body {
    font-family: 'Cairo', sans-serif;
    background: linear-gradient(135deg, #0d9488 0%, #115e59 100%) !important;
    min-height: 100vh;
}

/* Modern card + container polish (applies to courses/exam/watch pages) */
.main-content .container .card,
.main-content.card {
    border: none;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(67, 97, 238, 0.10);
}
.card-header,
.card-header.bg-light {
    background: linear-gradient(135deg, #ffffff 0%, #f4f6ff 100%) !important;
    border-bottom: 1px solid #eef1ff;
    border-radius: 16px 16px 0 0 !important;
}
.card-body {
    border-radius: 16px;
}

.main-content {
  margin-top: 70px;
  margin-right: 70px;
  padding-bottom: 50px;
  transition: margin-right 0.3s ease;
  flex: 1;
}

/* Student pages - full width without sidebar margin */
.main-content.student-page {
  margin-right: 0;
}
.btn {
  border-radius: 8px;
  font-weight: 600;
  margin: 8px 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}
.btn:active {
  transform: translateY(1px);
}

.navbar {
    z-index: 2000;
    width: 100%;
    top: 0;
    position: fixed;
    background: #fff; /* White background */
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); /* Subtle shadow */
    padding: 0.5rem 1rem; /* Adjust padding */
    transition: margin-right 0.3s ease;
}

/* Student pages - full width navbar without sidebar margin */
.navbar.student-page {
    margin-right: 0;
}

/* ============================================
   ENHANCED STUDENT NAVBAR
   ============================================ */
.student-nav {
    z-index: 2000;
    width: 100%;
    top: 0;
    position: fixed;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    padding: 0;
    transition: all 0.3s ease;
}

.student-nav.fixed-top {
    position: fixed;
}

.student-nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    min-height: 60px;
}

.student-nav-start {
    display: flex;
    align-items: center;
    gap: 8px;
}

.student-nav-end {
    display: flex;
    align-items: center;
    gap: 6px;
}

.student-nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.student-nav-logo img {
    height: 40px;
    width: auto;
    transition: transform 0.3s ease;
}

.student-nav-logo:hover img {
    transform: scale(1.05);
}

.student-nav-title {
    font-size: 1rem;
    font-weight: 700;
    color: #1e293b;
    letter-spacing: -0.01em;
}

.student-nav-back {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    color: #0096c7;
    background: rgba(0, 150, 199, 0.08);
    text-decoration: none;
    transition: all 0.2s ease;
}

.student-nav-back:hover {
    background: rgba(0, 150, 199, 0.15);
    transform: translateX(2px);
}

.student-nav-back .material-symbols-outlined {
    font-size: 20px;
}

.student-nav-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: none;
    background: rgba(0, 0, 0, 0.04);
    color: #475569;
    cursor: pointer;
    transition: all 0.2s ease;
}

.student-nav-icon-btn:hover {
    background: rgba(0, 0, 0, 0.08);
    transform: scale(1.05);
}

.student-nav-icon-btn .material-symbols-outlined {
    font-size: 20px;
}

.student-nav-btn {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.student-nav-btn-primary {
    background: linear-gradient(135deg, #0096c7, #0077b6);
    color: #fff;
    box-shadow: 0 2px 8px rgba(0, 150, 199, 0.25);
}

.student-nav-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 150, 199, 0.35);
}

.student-nav-btn-outline {
    background: transparent;
    color: #0096c7;
    border: 1.5px solid rgba(0, 150, 199, 0.3);
}

.student-nav-btn-outline:hover {
    background: rgba(0, 150, 199, 0.06);
    border-color: #0096c7;
}

.student-nav-balance {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 8px;
    background: rgba(0, 150, 199, 0.08);
    color: #0077b6;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.82rem;
    transition: all 0.2s ease;
}

.student-nav-balance:hover {
    background: rgba(0, 150, 199, 0.15);
}

.student-nav-balance .material-symbols-outlined {
    font-size: 18px;
}

.student-nav-balance-mobile {
    display: none;
}

.student-nav-logout {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    border-radius: 8px;
    color: #ef4444;
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.student-nav-logout:hover {
    background: rgba(239, 68, 68, 0.08);
}

.student-nav-logout .material-symbols-outlined {
    font-size: 18px;
}

/* Mobile responsive */
@media (max-width: 576px) {
    .student-nav-inner {
        padding: 0.4rem 0.75rem;
        min-height: 52px;
    }

    .student-nav-logo img {
        height: 34px;
    }

    .student-nav-title {
        font-size: 0.88rem;
    }

    .student-nav-btn {
        padding: 5px 10px;
        font-size: 0.78rem;
    }

    .student-nav-balance-text {
        display: none;
    }

    .student-nav-balance-mobile {
        display: inline;
    }

    .student-nav-logout-text {
        display: none;
    }

    .student-nav-logout {
        padding: 6px 8px;
    }

    .student-nav-back {
        width: 32px;
        height: 32px;
    }

    .student-nav-icon-btn {
        width: 32px;
        height: 32px;
    }
}

/* Admin navbar badge */
.admin-badge {
    position: absolute;
    top: -4px;
    left: -4px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 9px;
    background: #ef4444;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    line-height: 18px;
    text-align: center;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px; /* Space between logo and text */
}

.navbar-brand img {
    height: 40px; /* Adjust logo size */
    width: auto;
}

.navbar-brand span {
    color: #007bff; /* Brand text color */
    font-weight: 600;
    font-size: 1.25rem;
}

.btn-outline-light {
    border-color: #007bff; /* Blue border */
    color: #007bff; /* Blue text */
    transition: all 0.3s ease;
}

.btn-outline-light:hover {
    background: #007bff; /* Blue background on hover */
    color: #fff; /* White text on hover */
}
.btn-mine {
    padding: 1.5rem;
    border-radius: 15px;
    border: 2px solid transparent;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    color: #fff;
    background: linear-gradient(145deg, #6a11cb, #2575fc);
}

.btn-primary-mine {
    padding: 1.5rem;
    border-radius: 15px;
    border: 2px solid transparent;
    font-size: 1.1rem;
    font-weight: 600;
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out, border-color 0.2s ease-in-out;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    color: #fff;
    background: linear-gradient(145deg, #007bff, #0056b3);
}

.btn-warning-mine {
    padding: 1.5rem;
    border-radius: 15px;
    border: 2px solid transparent;
    font-size: 1.1rem;
    font-weight: 600;
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out, border-color 0.2s ease-in-out;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    color: #fff;
    background: linear-gradient(145deg, #ffc107, #e0a800);
}

.btn-mine:hover, .btn-warning-mine:hover, .btn-primary-mine:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.material-symbols-outlined {
  font-size: 1.5rem;
  vertical-align: middle;
}
.logout-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: #dc3545; /* Red color for logout button */
  transition: all 0.3s ease;
}

.logout-btn:hover {
    color: #c82333; /* Darker red on hover */
}

.logout-btn .material-symbols-outlined {
    font-size: 1.5rem; /* Icon size */
}
.waves {
  position:relative;
  width: 100%;
  height:15vh;
  margin-bottom:-7px; /*Fix for safari gap*/
  min-height:100px;
  max-height:150px;
}

.content {
  position:relative;
  height:20vh;
  text-align:center;
  background-color: white;
}

/* Animation */

.parallax > use {
  animation: move-forever 25s cubic-bezier(.55,.5,.45,.5)     infinite;
}
.parallax > use:nth-child(1) {
  animation-delay: -2s;
  animation-duration: 7s;
}
.parallax > use:nth-child(2) {
  animation-delay: -3s;
  animation-duration: 10s;
}
.parallax > use:nth-child(3) {
  animation-delay: -4s;
  animation-duration: 13s;
}
.parallax > use:nth-child(4) {
  animation-delay: -5s;
  animation-duration: 20s;
}
@keyframes move-forever {
  0% {
    transform: translate3d(-90px,0,0);
  }
  100% {
    transform: translate3d(85px,0,0);
  }
}
/*Shrinking for mobile*/
@media (max-width: 768px) {
  .waves {
    height:40px;
    min-height:40px;
  }
  .content {
    height:30vh;
  }
  h1 {
    font-size:24px;
  }
}
a {
  text-decoration: none;
}
/* Modern Sidebar Styles */
.sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 70px;
  height: 100vh;
  background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
  transition: width 0.3s ease;
  z-index: 10000;
  overflow-y: auto;
  overflow-x: hidden;
  border-left: 1px solid #e9ecef;
  scrollbar-width: thin;
  scrollbar-color: #c1c1c1 transparent;
}

.sidebar.expanded {
  width: 280px;
}





.sidebar-header {
  padding: 10px 5px;
  border-bottom: 2px solid #e9ecef;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #6bc7c8 0%, #1b8f65 100%);
  color: white;
  position: relative;
  min-height: 60px;
}

.sidebar.expanded .sidebar-header {
  padding: 15px 15px;
  justify-content: space-between;
}

.sidebar-logo {
  height: 30px;
  filter: brightness(0) invert(1);
  transition: all 0.3s ease;
}

.sidebar.expanded .sidebar-logo {
  height: 40px;
}

.sidebar-toggle {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  cursor: pointer;
  color: white;
  transition: all 0.3s ease;
  position: absolute;
  left: 5px;
  top: 50%;
  transform: translateY(-50%);
}

.sidebar.expanded .sidebar-toggle {
  position: static;
  transform: none;
  width: 35px;
  height: 35px;
  font-size: 18px;
}

.sidebar-toggle:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-50%) rotate(180deg);
}

.sidebar.expanded .sidebar-toggle:hover {
  transform: rotate(180deg);
}

.sidebar-menu {
  list-style: none;
  padding: 0px 0;
  margin: 0;
}

.sidebar-menu li {
  margin: 0 5px 6px 5px;
}

.sidebar.expanded .sidebar-menu li {
  margin: 0 10px 8px 10px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  padding: 8px 4px;
  text-decoration: none;
  color: #495057;
  border-radius: 10px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  justify-content: center;
  min-height: 50px;
}

.sidebar.expanded .sidebar-item {
  padding: 10px 12px;
  justify-content: flex-start;
}

.sidebar-item:hover {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  color: #212529;
  transform: translateX(-3px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.sidebar-icon {
  width: 35px;
  height: 35px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 0;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.sidebar.expanded .sidebar-icon {
  margin-left: 10px;
  width: 38px;
  height: 38px;
}

.sidebar-icon .material-symbols-outlined {
  font-size: 18px;
  color: white;
}

.sidebar.expanded .sidebar-icon .material-symbols-outlined {
  font-size: 20px;
}

.sidebar-text {
  font-size: 14px;
  font-weight: 500;
  flex: 1;
  opacity: 0;
  width: 0;
  overflow: hidden;
  white-space: nowrap;
  transition: all 0.3s ease;
}

.sidebar.expanded .sidebar-text {
  opacity: 1;
  width: auto;
}

/* Icon Colors */
.home-icon {
  background: linear-gradient(135deg, #e91e63 0%, #ad1457 100%);
}

.video-icon {
  background: linear-gradient(135deg, #2196f3 0%, #1565c0 100%);
}

.info-icon {
  background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%);
}

.grade-icon {
  background: linear-gradient(135deg, #9c27b0 0%, #6a1b9a 100%);
}

.semester-icon {
  background: linear-gradient(135deg, #f44336 0%, #c62828 100%);
}

.lecture-icon {
  background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
}

.course-icon {
  background: linear-gradient(135deg, #4caf50 0%, #2e7d32 100%);
}

.video-manage-icon {
  background: linear-gradient(135deg, #00bcd4 0%, #0097a7 100%);
}

.document-icon {
  background: linear-gradient(135deg, #ff5722 0%, #d84315 100%);
}

.coupon-icon {
  background: linear-gradient(135deg, #795548 0%, #5d4037 100%);
}

.group-icon {
  background: linear-gradient(135deg, #607d8b 0%, #455a64 100%);
}

.group-course-icon {
  background: linear-gradient(135deg, #3f51b5 0%, #283593 100%);
}

.video-content-icon {
  background: linear-gradient(135deg, #e91e63 0%, #ad1457 100%);
}

.document-content-icon {
  background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%);
}

.exam-icon {
  background: linear-gradient(135deg, #9c27b0 0%, #6a1b9a 100%);
}

.question-icon {
  background: linear-gradient(135deg, #2196f3 0%, #1565c0 100%);
}

.stats-icon {
  background: linear-gradient(135deg, #4caf50 0%, #2e7d32 100%);
}

/* Remove overlay since sidebar is always visible */
.sidebar-overlay {
  display: none;
}

/* Hover effects for icons */
.sidebar-item:hover .sidebar-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Active state */
.sidebar-item.active {
  background: linear-gradient(135deg, #6bc7c8 0%, #1b8f65 100%);
  color: white;
}

.sidebar-item.active .sidebar-text {
  color: white;
  font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    width: 60px;
  }

  .sidebar.expanded {
    width: 250px;
  }

  .sidebar-text {
    font-size: 12px;
  }

  .sidebar-icon {
    width: 30px;
    height: 30px;
  }

  .sidebar.expanded .sidebar-icon {
    width: 32px;
    height: 32px;
  }

  .sidebar-icon .material-symbols-outlined {
    font-size: 16px;
  }

  .sidebar.expanded .sidebar-icon .material-symbols-outlined {
    font-size: 18px;
  }

  .sidebar-item {
    padding: 6px 2px;
    min-height: 45px;
  }

  .sidebar.expanded .sidebar-item {
    padding: 8px 10px;
  }
}

/* Adjust main content to account for always-visible sidebar */
.main-content {
  margin-right: 70px;
  transition: margin-right 0.3s ease;
}

.sidebar.expanded ~ .main-content,
.sidebar.expanded ~ * .main-content {
  margin-right: 280px;
}

.sidebar.expanded ~ * .navbar .container,
.sidebar.expanded ~ * .container-fluid {
  margin-right: 280px;
}

@media (max-width: 768px) {
  .main-content {
    margin-right: 60px;
  }

  .sidebar.expanded ~ .main-content,
  .sidebar.expanded ~ * .main-content {
    margin-right: 250px;
  }

  .sidebar.expanded ~ * .navbar .container,
  .sidebar.expanded ~ * .container-fluid {
    margin-right: 250px;
  }
}

/* Enhanced Scrollbar styling for Sidebar */
.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  margin: 10px 0;
}

.sidebar::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, #6bc7c8 0%, #1b8f65 100%);
  border-radius: 3px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, #5bb7b8 0%, #156f55 100%);
  transform: scaleY(1.1);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.sidebar::-webkit-scrollbar-thumb:active {
  background: linear-gradient(135deg, #4aa7a8 0%, #0f5f45 100%);
}

.sidebar.expanded::-webkit-scrollbar {
  width: 8px;
}

.sidebar.expanded::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  margin: 15px 0;
}

.sidebar.expanded::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, #0d9488 0%, #115e59 100%);
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar.expanded::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
  transform: scaleY(1.05);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.25);
}

/* Firefox scrollbar for sidebar */
.sidebar {
  scrollbar-width: thin;
  scrollbar-color: #6bc7c8 rgba(255, 255, 255, 0.1);
}

.sidebar.expanded {
  scrollbar-color: #0d9488 rgba(255, 255, 255, 0.15);
}

/* Adjust layout when sidebar is expanded */
.sidebar.expanded ~ .main-content,
.sidebar.expanded ~ * .main-content {
  margin-right: 280px;
}

.sidebar.expanded ~ .navbar,
.sidebar.expanded ~ * .navbar {
  margin-right: 280px;
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
  .main-content {
    margin-right: 60px;
  }

  .sidebar.expanded ~ .main-content,
  .sidebar.expanded ~ * .main-content {
    margin-right: 250px;
  }

  .sidebar.expanded ~ .navbar,
  .sidebar.expanded ~ * .navbar {
    margin-right: 250px;
  }
}

/* RTL Support for SweetAlert2 Global Alerts */
.rtl-alert {
    direction: rtl;
    text-align: right;
}

.rtl-alert .swal2-title,
.rtl-alert .swal2-content {
    text-align: right;
    direction: rtl;
}

.rtl-alert .swal2-actions {
    direction: ltr;
}

/* ========================================
   GLOBAL SCROLLBAR STYLES FOR ALL PAGES
   ======================================== */

/* Custom Scrollbar - Works on all pages */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #0d9488, #115e59);
    border-radius: 4px;
    transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a67d8, #6b46c1);
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: #0d9488 #f1f1f1;
}

/* ========================================
   LOADING STATES FOR ALL PAGES
   ======================================== */

/* Loading States - Works on all pages */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.8;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin-global 1s linear infinite;
}

@keyframes spin-global {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ========================================
   GLOBAL FOCUS STYLES FOR ACCESSIBILITY
   ======================================== */

.btn:focus,
button:focus,
a:focus,
input:focus,
textarea:focus,
select:focus {
    outline: none;
    box-shadow: none;
}

/* ========================================
   SMOOTH TRANSITIONS - GLOBAL
   ======================================== */

/* Disable transitions during page load */
.preload * {
    transition: none !important;
}

/* ========================================
   GLOBAL ANIMATION CLASSES
   ======================================== */

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

.slide-up {
    animation: slideUp 0.5s ease-out;
}

.scale-in {
    animation: scaleIn 0.3s ease-out;
}

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ========================================
   GLOBAL UTILITY CLASSES
   ======================================== */

.text-gradient {
    background: linear-gradient(135deg, #0d9488, #115e59);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-modern {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.shadow-modern-hover:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.border-gradient {
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box,
                linear-gradient(135deg, #0d9488, #115e59) border-box;
}

/* ========================================
   GLOBAL RESPONSIVE UTILITIES
   ======================================== */

@media (max-width: 576px) {
    .hide-mobile {
        display: none !important;
    }
}

@media (min-width: 577px) {
    .show-mobile-only {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .hide-tablet {
        display: none !important;
    }
}

@media (min-width: 769px) {
    .show-tablet-only {
        display: none !important;
    }
}

/* ========================================
   GLOBAL PAGE LOADER STYLES
   ======================================== */

#global-page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0d9488 0%, #115e59 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader-container {
    text-align: center;
    color: white;
}

.dna-loader {
    width: 80px;
    height: 80px;
    position: relative;
    margin: 0 auto 2rem;
}

.dna-strand {
    position: absolute;
    width: 4px;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
}

.strand-1 {
    left: 20px;
    animation: dnaRotate 2s linear infinite;
}

.strand-2 {
    right: 20px;
    animation: dnaRotate 2s linear infinite reverse;
}

.dna-base {
    position: absolute;
    width: 40px;
    height: 4px;
    background: white;
    border-radius: 2px;
    left: 50%;
    transform: translateX(-50%);
}

.base-1 {
    top: 10px;
    animation: dnaBase 2s ease-in-out infinite;
}

.base-2 {
    top: 30px;
    animation: dnaBase 2s ease-in-out infinite 0.5s;
}

.base-3 {
    top: 50px;
    animation: dnaBase 2s ease-in-out infinite 1s;
}

.base-4 {
    top: 70px;
    animation: dnaBase 2s ease-in-out infinite 1.5s;
}

@keyframes dnaRotate {
    0% { transform: rotateY(0deg); }
    100% { transform: rotateY(360deg); }
}

@keyframes dnaBase {
    0%, 100% { opacity: 0.3; transform: translateX(-50%) scaleX(0.5); }
    50% { opacity: 1; transform: translateX(-50%) scaleX(1); }
}

.loading-text {
    font-size: 1.2rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.loading-dots span {
    animation: dotPulse 1.5s ease-in-out infinite;
}

.loading-dots span:nth-child(2) {
    animation-delay: 0.5s;
}

.loading-dots span:nth-child(3) {
    animation-delay: 1s;
}

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

.global-loader-hidden {
    opacity: 0;
    visibility: hidden;
}

/* ========================================
   MODERN COURSE CARD DESIGN
   ======================================== */

.modern-course-card {
    position: relative;
    overflow: visible;
    background: transparent;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
    width: 100%;
    max-width: 100%;
}

.modern-course-card:hover {
    transform: translateY(-5px);
}

.modern-course-card:hover .course-details-container {
    box-shadow: -12px 12px 30px rgba(0, 0, 0, 0.2), 3px 0 8px rgba(0, 0, 0, 0.08);
}

/* Course Image Container */
.course-image-container {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, #0d9488 0%, #115e59 100%);
    border-radius: 6px;
    width: 100%;
}

.course-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: all 0.3s ease;
    border: none;
    outline: none;
}

.course-image-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.course-image-fallback > div {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

/* Image Overlay */
.course-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1;
}

/* Hover Effects */
.modern-course-card:hover .course-image {
    transform: scale(1.1);
    filter: contrast(1.2) brightness(1.1);
}

.modern-course-card:hover .course-image-overlay {
    opacity: 1;
}

.modern-course-card:hover .course-image-fallback > div {
    transform: scale(1.05);
    filter: contrast(1.2) brightness(1.1);
}

/* Course Details Container (Overlapping) */
.course-details-container {
    position: relative;
    background: #fff;
    margin-top: -30px;
    margin-left: auto;
    margin-right: auto;
    width: 90%;
    padding: 2rem;
    z-index: 2;
    border-radius: 6px;
    box-shadow: -8px 8px 20px rgba(0, 0, 0, 0.15), 2px 0 5px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

/* Status Badge */
.course-status-badge {
    position: absolute;
    top: -15px;
    right: 1.5rem;
    z-index: 3;
}

.course-status-badge .badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Course Header */
.course-header {
    margin-bottom: 1rem;
    display: flex;
    justify-content: flex-start;
}

.course-grade-badge {
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
}

.course-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: #2c3e50;
    margin: 0 0 1rem 0;
    line-height: 1.3;
    text-align: start;
}

/* Divider Styling */
.divider-2 {
    height: 3px;
    width: 60px;
    background: linear-gradient(135deg, #f6b73c, #f59e0b);
    border-radius: 2px;
    margin: 0.75rem 0 1rem 0;
    transition: all 0.3s ease;
}

.modern-course-card:hover .divider-2 {
    width: 80px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

/* First Row: Two Column Layout */
.course-first-row {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

/* Right Column: Description (3/5 width) */
.course-description-column {
    flex: 0 0 60%;
    min-width: 0;
    padding-right: 1rem;
}

.course-description {
    color: #6c757d;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-align: start;
}

/* Full description for course detail page */
.course-description-full {
    color: #495057;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    text-align: start;
}

.course-purchase-info {
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: #f8f9fa;
    border-radius: 10px;
    border-right: 3px solid #007bff;
}

.course-purchase-info small {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
}

.course-purchase-info .material-symbols-outlined {
    font-size: 1rem;
}

/* Course Stats */
.course-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: #f8f9fa;
    border-radius: 8px;
    font-size: 0.8rem;
    color: #495057;
}

.stat-item .material-symbols-outlined {
    font-size: 1rem;
    color: #007bff;
}

/* Left Column: Actions (2/5 width) */
.course-actions-column {
    flex: 0 0 40%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.75rem;
    padding-left: 0.5rem;
}

/* Utility Classes */
.font-smaller {
    font-size: 0.875rem;
}

.font-w-bold {
    font-weight: 600;
}

.w-full {
    width: 100%;
}

/* Flex utilities */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.flex-col-reverse {
    flex-direction: column-reverse;
}

.flex-row {
    flex-direction: row;
}

.flex-center-both {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-center-y {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.items-center {
    align-items: center;
}

.shrink-0 {
    flex-shrink: 0;
}

.flex-wrap {
    flex-wrap: wrap;
}

/* Spacing utilities */
.space-y-2 > * + * {
    margin-top: 0.5rem;
}

.space-y-3 > * + * {
    margin-top: 0.75rem;
}

.space-y-4 > * + * {
    margin-top: 1rem;
}

.space-y-reverse > * + * {
    margin-top: 0;
    margin-bottom: 1rem;
}

.space-x-1 > * + * {
    margin-right: 0.25rem;
}

.space-x-2 > * + * {
    margin-right: 0.5rem;
}

.space-x-4 > * + * {
    margin-right: 1rem;
}

.space-x-reverse > * + * {
    margin-right: 0;
    margin-left: 0.25rem;
}

/* Background and text utilities */
.bg-teal-500 {
    background-color: #14b8a6;
}

.text-slate-100 {
    color: #f1f5f9;
}

.text-xs {
    font-size: 0.75rem;
}

.text-sm {
    font-size: 0.875rem;
}

.flex-shrink-0 {
    flex-shrink: 0;
}

.flex-1 {
    flex: 1;
}

.justify-center {
    justify-content: center;
}

.justify-end {
    justify-content: flex-end;
}

.rounded-sm {
    border-radius: 0.125rem;
}

.rounded-md {
    border-radius: 0.375rem;
}

.bg-primary-container {
    background-color: rgba(255, 255, 255, 0.2);
}

.clr-text-primary {
    color: #ffffff;
}

.clr-text-secondary {
    color: #6b7280;
}

.smooth {
    transition: all 0.3s ease;
}

.rounded-lg {
    border-radius: 0.5rem;
}

.rounded-md {
    border-radius: 0.375rem;
}

.py-1 {
    padding-top: 0.25rem;
    padding-bottom: 0.25rem;
}

.px-2 {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}

.px-3 {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
}

.py-px {
    padding-top: 1px;
    padding-bottom: 1px;
}

/* Price section styling */
.bg-teal-500 {
    font-size: 0.875rem;
    font-weight: 600;
}

.bg-primary-container {
    font-size: 1rem;
    font-weight: 700;
}

.transform {
    transform: translateZ(0);
}

.-translate-y-px {
    transform: translateY(-1px);
}

/* Responsive utilities */
@media (min-width: 640px) {
    .sm\:flex-row {
        flex-direction: row;
    }

    .sm\:space-y-0 > * + * {
        margin-top: 0;
    }

    .sm\:space-x-1 > * + * {
        margin-right: 0.25rem;
    }

    .sm\:space-x-4 > * + * {
        margin-right: 1rem;
    }

    .sm\:space-x-reverse > * + * {
        margin-right: 0;
        margin-left: 0.25rem;
    }

    .sm\:justify-end {
        justify-content: flex-end;
    }

    .sm\:items-start {
        align-items: flex-start;
    }
}

.course-action-btn {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border-radius: 9999px; /* Full rounded */
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    transition: all 0.3s ease;
    text-decoration: none;
    border: none;
    white-space: nowrap;
}

.course-action-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.course-action-btn .material-symbols-outlined {
    font-size: 1rem;
}

/* Primary Action Button (Subscribe/Purchase) */
.course-action-btn.btn-primary,
.course-action-btn.purchase-btn {
    background: linear-gradient(135deg, #14b8a6, #0ea5e9);
    color: white;
    border: none;
}

.course-action-btn.btn-primary:hover,
.course-action-btn.purchase-btn:hover {
    background: linear-gradient(135deg, #0d9488, #0284c7);
    color: white;
}

/* Secondary Action Button (View Course) */
.course-action-btn.btn-info,
.course-action-btn.btn-success {
    background: transparent;
    color: #14b8a6;
    border: 2px solid #14b8a6;
}

.course-action-btn.btn-info:hover,
.course-action-btn.btn-success:hover {
    background: #14b8a6;
    color: white;
    border-color: #14b8a6;
}

/* Disabled/Expired Button */
.course-action-btn.btn-danger {
    background: #ef4444;
    color: white;
    border: none;
}

.course-action-btn.btn-danger:hover {
    background: #dc2626;
    color: white;
}

/* Payment Method Selection */
.payment-method-selection {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 0.75rem;
}

.payment-method-title {
    font-size: 0.85rem;
    color: #6c757d;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.payment-method-selection .form-check {
    margin-bottom: 0.5rem;
}

.payment-method-selection .form-check-label {
    font-size: 0.8rem;
    color: #495057;
}

.balance-error {
    color: #dc3545;
    font-size: 0.75rem;
    margin-top: 0.5rem;
    padding: 0.5rem;
    background: #f8d7da;
    border-radius: 5px;
    border: 1px solid #f5c6cb;
}

/* Coupon Section */
.coupon-section {
    margin-bottom: 0.75rem;
}

.coupon-section .input-group {
    border-radius: 10px;
    overflow: hidden;
}

.coupon-input {
    border: 1px solid #dee2e6;
    font-size: 0.8rem;
}

.coupon-result {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    padding: 0.5rem;
    border-radius: 5px;
}

/* Second Row: Course Information */
.course-second-row {
    display: flex;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e9ecef;
    margin-top: 1rem;
}

/* Third Row: Created and Updated Dates */
.course-third-row {
    display: flex;
    gap: 1rem;
    padding-top: 0.75rem;
    margin-top: 0.75rem;
}

.course-info-item {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: #f8f9fa;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.course-info-item:hover {
    background: #e9ecef;
    transform: translateY(-2px);
}

.course-info-item .material-symbols-outlined {
    font-size: 1.25rem;
    color: #007bff;
    flex-shrink: 0;
}

.price-info .material-symbols-outlined {
    color: #28a745;
}

.date-info .material-symbols-outlined {
    color: #6f42c1;
}

.update-info .material-symbols-outlined {
    color: #fd7e14;
}

.duration-info .material-symbols-outlined {
    color: #20c997;
}

.purchase-info .material-symbols-outlined {
    color: #28a745;
}

.expiry-info .material-symbols-outlined {
    color: #dc3545;
}

.info-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 0;
}

.info-label {
    font-size: 0.625rem;
    color: #6c757d;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-size: 0.75rem;
    color: #2c3e50;
    font-weight: 600;
    word-break: break-word;
}

/* Responsive Design */
@media (max-width: 768px) {
    .course-first-row {
        flex-direction: column;
        gap: 1rem;
    }

    .course-description-column {
        padding-right: 0;
    }

    .course-actions-column {
        flex: none;
        width: 100%;
        min-width: auto;
    }

    .course-stats {
        grid-template-columns: 1fr;
    }

    .course-details-container {
        margin-top: -20px;
        padding: 1rem;
    }

    .course-image-container {
        height: 200px;
        width: 100%;
    }

    .course-image,
    .course-image-fallback {
        width: 100%;
        margin-left: -1.5rem;
    }



    .course-second-row,
    .course-third-row {
        flex-direction: column;
        gap: 0.75rem;
    }

    .course-info-item {
        padding: 0.6rem;
    }
}

@media (max-width: 576px) {
    .modern-course-card {
        margin-bottom: 1.5rem;
    }

    .course-image-container {
        height: 180px;
        width: 100%;
    }

    .course-image-overlay {
        left: -1rem;
        right: -1rem;
    }

    .course-details-container {
        padding: 0.75rem;
    }

    .course-title {
        font-size: 1.1rem;
    }

    .course-action-btn {
        padding: 0.6rem;
        font-size: 0.85rem;
    }

    .course-second-row {
        gap: 0.5rem;
    }

    .course-info-item {
        padding: 0.5rem;
        gap: 0.5rem;
    }

    .course-info-item .material-symbols-outlined {
        font-size: 1.2rem;
    }

    .info-label {
        font-size: 0.7rem;
    }

    .info-value {
        font-size: 0.8rem;
    }
}

/* ========================================
   BACK BUTTON STYLES - GLOBAL
   ======================================== */

/* Back button styles for consistent navigation */
.back-btn {
    color: #007bff;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
}

.back-btn:hover {
    color: #0056b3;
    transform: translateY(-1px);
}

/* ========================================
   COURSE LOCKING STYLES
   ======================================== */

/* Locked course card styling */
.course-locked {
    opacity: 0.7;
    position: relative;
}

.course-locked::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 193, 7, 0.1);
    border: 2px dashed #ffc107;
    border-radius: 8px;
    pointer-events: none;
    z-index: 1;
}

/* Locked item card styling */
.item-card.locked {
    opacity: 0.6;
    background-color: #f8f9fa;
    border-left: 4px solid #ffc107;
    cursor: not-allowed;
}

.item-card.locked:hover {
    transform: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.item-card.locked .material-symbols-outlined {
    color: #6c757d;
}

/* Lock reason text styling */
.lock-reason {
    font-size: 0.75rem;
    color: #856404;
    background-color: #fff3cd;
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid #ffeaa7;
}

/* ========================================
   QUESTION REORDERING STYLES
   ======================================== */

/* Move up/down buttons styling */
.move-up-btn, .move-down-btn {
    width: 40px;
    height: 32px;
    padding: 0;
    margin: 0 2px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.move-up-btn:hover:not(:disabled), .move-down-btn:hover:not(:disabled) {
    background-color: #0d6efd;
    border-color: #0d6efd;
    color: white;
    transform: translateY(-1px);
}

.move-up-btn:disabled, .move-down-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Question card transition for smooth movement */
.question-card {
    transition: background-color 0.5s ease;
}

/* Reorder handle styling improvements */
.reorder-handle .btn-group {
    gap: 2px;
}

.drag-handle {
    padding: 8px;
    border-radius: 4px;
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
}

.drag-handle:hover {
    background-color: #e9ecef;
    border-color: #adb5bd;
}

/* Discount Price Styles for Course Cards */
.discount-price-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.discount-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: linear-gradient(135deg, #dc3545, #e91e63);
    color: white;
    font-size: 0.7rem;
    padding: 4px 8px;
    border-radius: 12px;
    font-weight: bold;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(220, 53, 69, 0.3);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.discount-price-badge {
    background: linear-gradient(135deg, #f6b73c 0%, #f59e0b 100%);
    color: white;
    border-radius: 8px;
    padding: 6px 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: bold;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
    transition: all 0.3s ease;
}

.discount-price-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(245, 158, 11, 0.45);
}

.discount-price-badge .material-symbols-outlined {
    font-size: 16px;
}

.original-price-crossed {
    font-size: 0.75rem;
    color: #6c757d;
    text-decoration: line-through;
    margin-top: 4px;
    opacity: 0.8;
}

/* Regular price badge */
.regular-price-badge {
    background: linear-gradient(135deg, #f6b73c 0%, #f59e0b 100%);
    color: white;
    border-radius: 8px;
    padding: 6px 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: bold;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
}

/* Utility classes for flexbox (Bootstrap-compatible) */
.d-flex-column {
    display: flex;
    flex-direction: column;
}

.align-items-end {
    align-items: flex-end;
}

.position-relative {
    position: relative;
}

.text-white {
    color: white !important;
}

.font-weight-bold {
    font-weight: bold !important;
}

.text-decoration-line-through {
    text-decoration: line-through !important;
}

.text-muted {
    color: #6c757d !important;
}

/* Course card enhancements for discount display */
.course-card .discount-price-container {
    min-width: 120px;
}

.course-card .discount-badge {
    white-space: nowrap;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .discount-price-badge,
    .regular-price-badge {
        font-size: 0.7rem;
        padding: 4px 8px;
    }

    .discount-badge {
        font-size: 0.6rem;
        padding: 2px 6px;
    }

    .original-price-crossed {
        font-size: 0.65rem;
    }
}