/* CSS Reset وتنسيقات عامة */
:root {
  --primary-color: #4e54c8;
  --primary-dark: #3a3f9e;
  --secondary-color: #8f94fb;
  --accent-color: #f39c12;
  --success-color: #2ecc71;
  --danger-color: #e74c3c;
  --warning-color: #f39c12;
  --info-color: #3498db;
  --dark-color: #2c3e50;
  --light-color: #ecf0f1;
  --gray-color: #95a5a6;
  --white: #ffffff;
  --black: #000000;
  --text-color: #333333;
  --text-light: #7f8c8d;
  --border-color: #e0e0e0;
  --bg-light: #f9f9f9;
  --bg-dark: #2c3e50;
  --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
  --border-radius: 8px;
  --box-padding: 2rem;
  --max-width: 1200px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Tajawal', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--white);
  direction: rtl;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: inherit;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
}

.btn-outline:hover {
  background-color: var(--primary-color);
  color: var(--white);
}

.btn-block {
  display: block;
  width: 100%;
}

.section-title {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.75rem;
  color: var(--dark-color);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 60px;
  height: 3px;
  background-color: var(--primary-color);
  border-radius: 3px;
}

/* صفحة العنوان */
.page-header {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,192L48,197.3C96,203,192,213,288,229.3C384,245,480,267,576,250.7C672,235,768,181,864,181.3C960,181,1056,235,1152,234.7C1248,235,1344,181,1392,154.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.page-header-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.page-header p {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 2rem;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  font-size: 0.9rem;
}

.breadcrumb-item a {
  color: rgba(255, 255, 255, 0.8);
}

.breadcrumb-item a:hover {
  color: var(--white);
  text-decoration: underline;
}

.breadcrumb-item.active {
  color: var(--white);
  font-weight: 500;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: '\f104';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  margin-left: 0.5rem;
  color: rgba(255, 255, 255, 0.6);
}

/* قسم تفاصيل الدورة */
.course-details-section {
  padding: 3rem 0;
}

.course-details-container {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.course-main-content {
  flex: 1;
}

.course-sidebar {
  width: 350px;
  position: sticky;
  top: 100px;
}

.course-breadcrumb {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-light);
}

.course-breadcrumb a {
  color: var(--primary-color);
}

.course-breadcrumb a:hover {
  text-decoration: underline;
}

.course-breadcrumb i {
  margin: 0 0.5rem;
  font-size: 0.8rem;
}

.course-header {
  margin-bottom: 2rem;
}

.course-title {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--dark-color);
  line-height: 1.3;
}

.course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text-light);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.meta-item i {
  color: var(--primary-color);
}

.meta-item.featured {
  color: var(--accent-color);
}

.meta-item.featured i {
  color: var(--accent-color);
}

/* معاينة الفيديو */
.course-video-preview {
  margin-bottom: 2rem;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.video-container {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* نسبة 16:9 */
  background-color: var(--black);
}

.video-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  z-index: 1;
}

.video-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.play-button-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(5px);
  transition: var(--transition);
}

.play-button-overlay i {
  font-size: 2rem;
  color: var(--white);
  margin-right: -5px;
}

.video-placeholder:hover .play-button-overlay {
  background-color: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%) scale(1.05);
}

.video-player, .video-frame {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
}

.video-player video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* علامات التبويب */
.course-tabs {
  margin-bottom: 3rem;
}

.tabs-nav {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

.tabs-nav li {
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  font-weight: 500;
  color: var(--text-light);
  position: relative;
  transition: var(--transition);
}

.tabs-nav li:hover {
  color: var(--primary-color);
}

.tabs-nav li.active {
  color: var(--primary-color);
}

.tabs-nav li.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  right: 0;
  width: 100%;
  height: 3px;
  background-color: var(--primary-color);
  border-radius: 3px 3px 0 0;
}

.tab-pane {
  display: none;
  animation: fadeIn 0.5s ease;
}

.tab-pane.active {
  display: block;
}

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

.tab-title {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--dark-color);
  position: relative;
  padding-bottom: 0.5rem;
}

.tab-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 40px;
  height: 2px;
  background-color: var(--primary-color);
}

.what-you-learn {
  margin-bottom: 2rem;
}

.learn-items {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.learn-items li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  background-color: var(--bg-light);
  border-radius: var(--border-radius);
}

.learn-items li i {
  color: var(--success-color);
  font-size: 1.1rem;
  margin-top: 2px;
}

.course-requirements, .target-audience {
  margin-bottom: 2rem;
}

.requirements-list, .audience-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.requirements-list li, .audience-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.5rem 0;
}

.requirements-list li i {
  color: var(--primary-color);
  font-size: 0.9rem;
  margin-top: 4px;
}

.audience-list li i {
  color: var(--accent-color);
  font-size: 0.9rem;
  margin-top: 4px;
}

.course-description {
  margin-bottom: 2rem;
  line-height: 1.8;
  color: var(--text-color);
}

.no-content {
  padding: 1.5rem;
  background-color: var(--bg-light);
  border-radius: var(--border-radius);
  text-align: center;
  color: var(--text-light);
}

/* المحتوى التعليمي */
.curriculum-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.curriculum-stats {
  display: flex;
  gap: 1.5rem;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-light);
}

.stat-item i {
  color: var(--primary-color);
  font-size: 1.1rem;
}

.progress-container {
  width: 100%;
  max-width: 300px;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.progress-bar {
  height: 6px;
  background-color: var(--bg-light);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 3px;
  transition: width 0.5s ease;
}

.curriculum-accordion {
  margin-bottom: 2rem;
}

.accordion-item {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: var(--transition);
}

.accordion-item:last-child {
  margin-bottom: 0;
}

.accordion-item.enrolled {
  border-left: 3px solid var(--primary-color);
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background-color: var(--bg-light);
  cursor: pointer;
  transition: var(--transition);
}

.accordion-header:hover {
  background-color: #f0f0f0;
}

.accordion-header h4 {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--dark-color);
}

.accordion-header i {
  color: var(--primary-color);
}

.section-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--text-light);
}

.accordion-icon {
  transition: var(--transition);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion-item.active .accordion-content {
  max-height: 2000px;
}

.lessons-list {
  padding: 0;
}

.lesson-item {
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.lesson-item:last-child {
  border-bottom: none;
}

.lesson-item.completed .lesson-link {
  background-color: rgba(46, 204, 113, 0.05);
}

.lesson-item.completed .lesson-icon i {
  color: var(--success-color);
}

.lesson-link {
  display: flex;
  align-items: center;
  padding: 1rem 1.5rem;
  color: var(--text-color);
  transition: var(--transition);
}

.lesson-link:hover {
  background-color: var(--bg-light);
}

.lesson-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(78, 84, 200, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 1rem;
}

.lesson-icon i {
  color: var(--primary-color);
  font-size: 1.1rem;
}

.lesson-info {
  flex: 1;
}

.lesson-info h5 {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.lesson-duration {
  font-size: 0.8rem;
  color: var(--text-light);
}

.lesson-status {
  margin-right: 1rem;
}

.lesson-status i {
  color: var(--success-color);
  font-size: 1.2rem;
}

/* الموارد الإضافية */
.resources-title {
  font-size: 1.5rem;
  margin: 2rem 0 1.5rem;
  color: var(--dark-color);
  position: relative;
  padding-bottom: 0.5rem;
}

.resources-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 40px;
  height: 2px;
  background-color: var(--primary-color);
}

.resources-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.resource-item {
  display: flex;
  align-items: center;
  padding: 1rem;
  background-color: var(--bg-light);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.resource-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.resource-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: rgba(78, 84, 200, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 1rem;
}

.resource-icon i {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.resource-info {
  flex: 1;
}

.resource-info h5 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.resource-info span {
  font-size: 0.8rem;
  color: var(--text-light);
}

.download-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.download-btn:hover {
  background-color: var(--primary-dark);
  transform: scale(1.1);
}

.download-btn.disabled {
  background-color: var(--gray-color);
  cursor: not-allowed;
}

.download-btn.disabled:hover {
  transform: none;
}

/* المدرب */
.instructor-profile {
  display: flex;
  gap: 2rem;
  margin-bottom: 3rem;
  padding: 1.5rem;
  background-color: var(--bg-light);
  border-radius: var(--border-radius);
}

.instructor-image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  overflow: hidden;
  border: 5px solid var(--white);
  box-shadow: var(--shadow);
}

.instructor-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.instructor-info {
  flex: 1;
}

.instructor-info h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--dark-color);
}

.instructor-meta {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text-light);
}

.instructor-meta span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.instructor-meta i {
  color: var(--primary-color);
}

.instructor-bio {
  margin-bottom: 1rem;
  line-height: 1.8;
}

.instructor-social {
  display: flex;
  gap: 0.75rem;
}

.instructor-social a {
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background-color: var(--white);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.instructor-social a:hover {
  background-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-3px);
}

.instructor-courses-title {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--dark-color);
  position: relative;
  padding-bottom: 0.5rem;
}

.instructor-courses-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 40px;
  height: 2px;
  background-color: var(--primary-color);
}

.instructor-courses {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.course-card {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.course-image {
  height: 150px;
  position: relative;
}

.course-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
  opacity: 0;
  transition: var(--transition);
}

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

.course-details {
  padding: 1rem;
}

.course-details h4 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.course-details h4 a:hover {
  color: var(--primary-color);
}

.course-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-light);
}

.course-price {
  margin-top: 0.5rem;
  font-weight: 500;
}

.original-price {
  text-decoration: line-through;
  color: var(--text-light);
  margin-left: 0.5rem;
  font-size: 0.9rem;
}

.discounted-price {
  color: var(--danger-color);
  font-size: 1.1rem;
}

.normal-price {
  color: var(--primary-color);
  font-size: 1.1rem;
}

.no-courses {
  padding: 2rem;
  text-align: center;
  color: var(--text-light);
  grid-column: 1 / -1;
}

/* التقييمات */
.reviews-summary {
  display: flex;
  gap: 3rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.average-rating {
  text-align: center;
  min-width: 150px;
}

.rating-number {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--dark-color);
  line-height: 1;
}

.rating-stars {
  margin: 0.5rem 0;
}

.rating-stars i {
  font-size: 1.5rem;
  color: var(--gray-color);
}

.rating-stars i.filled {
  color: var(--accent-color);
}

.rating-count {
  font-size: 0.9rem;
  color: var(--text-light);
}

.rating-bars {
  flex: 1;
  min-width: 250px;
}

.rating-bar {
  display: flex;
  align-items: center;
  margin-bottom: 0.75rem;
}

.star-count {
  display: flex;
  align-items: center;
  width: 60px;
}

.star-count span {
  margin-left: 0.25rem;
}

.star-count i {
  color: var(--accent-color);
  font-size: 0.9rem;
}

.bar-container {
  flex: 1;
  height: 8px;
  background-color: var(--bg-light);
  border-radius: 4px;
  margin: 0 1rem;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-color), #f1c40f);
  border-radius: 4px;
}

.percentage {
  width: 40px;
  text-align: left;
  font-size: 0.9rem;
  color: var(--text-light);
}

.reviews-list {
  margin-bottom: 3rem;
}

.review-item {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.review-item:last-child {
  margin-bottom: 0;
}

.review-header {
  margin-bottom: 1rem;
}

.reviewer {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.reviewer img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.review-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.25rem;
}

.review-date {
  font-size: 0.8rem;
  color: var(--text-light);
}

.review-content {
  line-height: 1.8;
}

.no-reviews {
  text-align: center;
  padding: 2rem;
  color: var(--text-light);
}

.no-reviews i {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--gray-color);
}

.add-review-form {
  background-color: var(--bg-light);
  padding: 2rem;
  border-radius: var(--border-radius);
  margin-top: 2rem;
}

.add-review-form h3 {
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  color: var(--dark-color);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.rating-input {
  direction: ltr;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.rating-input input {
  display: none;
}

.rating-input label {
  font-size: 1.5rem;
  color: var(--gray-color);
  cursor: pointer;
  transition: var(--transition);
}

.rating-input input:checked ~ label {
  color: var(--accent-color);
}

.rating-input label:hover,
.rating-input label:hover ~ label {
  color: var(--accent-color);
}

.rating-input input:checked + label:hover,
.rating-input input:checked ~ label:hover {
  color: var(--accent-color);
}

textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-family: inherit;
  resize: vertical;
  min-height: 120px;
  transition: var(--transition);
}

textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(78, 84, 200, 0.2);
}

.review-notice {
  background-color: var(--bg-light);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  text-align: center;
  margin-top: 2rem;
}

.review-notice i {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.review-notice p {
  margin-bottom: 1rem;
}

/* الأسئلة الشائعة */
.course-faqs {
  margin-bottom: 3rem;
}

.faq-accordion .accordion-item {
  margin-bottom: 1rem;
}

.faq-accordion .accordion-header {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

.faq-accordion .accordion-header h4 {
  color: var(--dark-color);
}

.faq-accordion .accordion-content {
  padding: 1.5rem;
  line-height: 1.8;
}

/* دورات مشابهة */
.similar-courses {
  margin-bottom: 3rem;
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
}

/* الشريط الجانبي */
.sidebar-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.pricing-card {
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.course-price {
  margin-bottom: 1.5rem;
  text-align: center;
}

.original-price {
  font-size: 1.2rem;
  color: var(--text-light);
  text-decoration: line-through;
  display: inline-block;
  margin-left: 0.5rem;
}

.discounted-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--danger-color);
}

.discount-badge {
  display: inline-block;
  background-color: var(--danger-color);
  color: var(--white);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  margin-right: 0.5rem;
  vertical-align: super;
}

.normal-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
}

.course-features {
  margin-bottom: 1.5rem;
}

.course-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px dashed var(--border-color);
}

.course-features li:last-child {
  border-bottom: none;
}

.course-features i {
  color: var(--primary-color);
  font-size: 1.1rem;
}

.course-features span {
  flex: 1;
}

.course-features strong {
  color: var(--dark-color);
}

.course-actions {
  margin-bottom: 1.5rem;
}

.course-actions .btn {
  margin-bottom: 1rem;
}

.wishlist-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem;
  background-color: transparent;
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
}

.wishlist-btn i {
  font-size: 1.1rem;
}

.wishlist-btn:hover {
  background-color: rgba(78, 84, 200, 0.1);
}

.wishlist-btn.active {
  background-color: var(--primary-color);
  color: var(--white);
}

.wishlist-btn.active:hover {
  background-color: var(--primary-dark);
}

.share-course h4 {
  margin-bottom: 1rem;
  font-size: 1.1rem;
  color: var(--dark-color);
}

.social-share {
  display: flex;
  gap: 0.5rem;
}

.social-share a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: var(--transition);
}

.social-share a:hover {
  transform: translateY(-3px);
}

.social-share .facebook {
  background-color: #3b5998;
}

.social-share .twitter {
  background-color: #1da1f2;
}

.social-share .linkedin {
  background-color: #0077b5;
}

.social-share .whatsapp {
  background-color: #25d366;
}

.social-share .copy-link {
  background-color: var(--gray-color);
}

.support-card {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
}

.support-card h4 {
  color: var(--white);
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.support-card p {
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.support-contacts {
  display: flex;
  gap: 0.5rem;
}

.support-contact {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.support-contact:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

.support-contact i {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.certificate-card {
  text-align: center;
}

.certificate-card img {
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
}

.certificate-card h4 {
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
  color: var(--dark-color);
}

/* قسم النشرة البريدية */
.newsletter-section {
  padding: 3rem 0;
  color: var(--white);
}

.newsletter-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.newsletter-text h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.newsletter-form {
  flex: 1;
  min-width: 300px;
  max-width: 500px;
}

.newsletter-form .form-group {
  position: relative;
  margin-bottom: 0.5rem;
}

.newsletter-form input[type="email"] {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius);
  border: none;
  font-family: inherit;
}

.newsletter-form button {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  border-top-left-radius: var(--border-radius);
  border-bottom-left-radius: var(--border-radius);
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
}

.form-check input {
  width: 16px;
  height: 16px;
}

/* الفوتر */
.main-footer {
  background-color: var(--bg-dark);
  color: var(--white);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col {
  margin-bottom: 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
  font-weight: 500;
}

.footer-logo img {
  width: 40px;
}

.footer-about-text {
  margin-bottom: 1.5rem;
  opacity: 0.8;
  line-height: 1.8;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.footer-social a:hover {
  background-color: var(--primary-color);
  transform: translateY(-3px);
}

.footer-title {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.75rem;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 40px;
  height: 3px;
  background-color: var(--primary-color);
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  display: flex;
  align-items: center;
  opacity: 0.8;
  transition: var(--transition);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--primary-color);
  transform: translateX(-5px);
}

.footer-links i {
  margin-left: 0.5rem;
  font-size: 0.8rem;
}

.contact-info li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  opacity: 0.8;
}

.contact-info i {
  margin-top: 3px;
  color: var(--primary-color);
}

.footer-bottom {
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.copyright {
  font-size: 0.9rem;
  opacity: 0.7;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  font-size: 0.9rem;
  opacity: 0.7;
  transition: var(--transition);
}

.footer-legal a:hover {
  opacity: 1;
  color: var(--primary-color);
}

/* الأزرار العائمة */
.floating-buttons {
  position: fixed;
  left: 1.5rem;
  bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 999;
}

.floating-button {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}

.floating-button:hover {
  transform: translateY(-5px);
}

.floating-button.whatsapp {
  background-color: #25d366;
}

.floating-button.messenger {
  background-color: #006aff;
}

.floating-button.scroll-top {
  background-color: var(--primary-color);
  display: none;
}

.floating-button.scroll-top.show {
  display: flex;
}

/* رسائل Toast */
.toast-notification {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 350px;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition);
  z-index: 9999;
}

.toast-notification.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-notification.success {
  border-right: 4px solid var(--success-color);
}

.toast-notification.error {
  border-right: 4px solid var(--danger-color);
}

.toast-icon i {
  font-size: 1.5rem;
}

.toast-notification.success .toast-icon i {
  color: var(--success-color);
}

.toast-notification.error .toast-icon i {
  color: var(--danger-color);
}

.toast-message {
  flex: 1;
  font-size: 0.9rem;
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  font-size: 1rem;
  transition: var(--transition);
}

.toast-close:hover {
  color: var(--danger-color);
}

/* الوضع الليلي */
@media (prefers-color-scheme: dark) {
  body {
    background-color: #121212;
    color: #e0e0e0;
  }

  .course-main-content,
  .sidebar-card,
  .tab-pane,
  .accordion-item,
  .review-item,
  .add-review-form,
  .faq-accordion .accordion-header,
  .course-card {
    background-color: #1e1e1e;
    color: #e0e0e0;
    border-color: #333;
  }

  .learn-items li,
  .resource-item,
  .lesson-link,
  .accordion-header {
    background-color: #252525;
  }

  .course-description,
  .instructor-bio,
  .review-content,
  .faq-accordion .accordion-content {
    color: #b0b0b0;
  }

  .section-title,
  .tab-title,
  .resources-title,
  .instructor-courses-title,
  .course-title,
  .instructor-info h3,
  .add-review-form h3,
  .course-details h4,
  .reviewer h4,
  .footer-title {
    color: #ffffff;
  }

  .course-meta,
  .meta-item,
  .stat-item,
  .section-meta,
  .lesson-duration,
  .resource-info span,
  .instructor-meta,
  .rating-count,
  .review-date,
  .percentage,
  .original-price,
  .no-content,
  .no-courses,
  .no-reviews {
    color: #9e9e9e;
  }

  .progress-bar,
  .bar-container {
    background-color: #333;
  }

  textarea {
    background-color: #252525;
    color: #e0e0e0;
    border-color: #333;
  }

  textarea:focus {
    box-shadow: 0 0 0 3px rgba(78, 84, 200, 0.3);
  }

  .footer-links a:hover,
  .footer-legal a:hover {
    color: var(--secondary-color);
  }

  .support-card {
    background: linear-gradient(135deg, #3a3f9e, #4e54c8);
  }
}

/* وسائط متجاوبة */
@media (max-width: 992px) {
  .course-details-container {
    flex-direction: column;
  }

  .course-sidebar {
    width: 100%;
    position: static;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
  }

  .sidebar-card {
    margin-bottom: 0;
  }

  .instructor-profile {
    flex-direction: column;
    text-align: center;
  }

  .instructor-image {
    margin: 0 auto;
  }

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

  .reviews-summary {
    flex-direction: column;
    gap: 2rem;
  }

  .rating-bars {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .page-header h1 {
    font-size: 2rem;
  }

  .page-header p {
    font-size: 1rem;
  }

  .course-title {
    font-size: 1.75rem;
  }

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

  .tabs-nav li {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }

  .learn-items,
  .requirements-list,
  .audience-list {
    grid-template-columns: 1fr;
  }

  .instructor-courses,
  .courses-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }

  .newsletter-container {
    flex-direction: column;
    text-align: center;
  }

  .newsletter-form {
    min-width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .floating-buttons {
    left: 0.5rem;
    bottom: 0.5rem;
  }

  .floating-button {
    width: 45px;
    height: 45px;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 1rem;
  }

  .page-header {
    padding: 3rem 0;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .tab-title {
    font-size: 1.25rem;
  }

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

  .instructor-courses,
  .courses-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

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