/* ====== Styles CSS pour le Campus Stostep ====== */

/**
* Table des matières:
* 1. Variables
* 2. Reset & Base
* 3. Layout
* 4. Dashboard
* 5. Sidebar
* 6. Course Cards
* 7. Progress
* 8. Course Content
* 9. Quiz & Tests
* 10. Forum
* 11. Responsive
*/

/* 1. Variables */
:root {
  --primary-color: #5846f9;
  --primary-color-dark: #7b27d8;
  --secondary-color: #ff6b6b;
  --success-color: #28a745;
  --info-color: #17a2b8;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --light-color: #f8f9fa;
  --dark-color: #343a40;
  --text-color: #444444;
  --text-muted: #6c757d;
  --bg-color: #f5f7fb;
  --border-color: #e1e1e1;
  --card-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  --transition: all 0.3s ease;
  --sidebar-width: 280px;
  --header-height: 70px;
  --border-radius: 10px;
}

/* 2. Reset & Base */
.campus-body {
  font-family: "Open Sans", sans-serif;
  color: var(--text-color);
  background-color: var(--bg-color);
  line-height: 1.6;
}

.campus-container {
  display: flex;
  min-height: 100vh;
  position: relative;
}

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

a:hover {
  color: var(--primary-color-dark);
}

/* 3. Layout */
.campus-content {
  flex-grow: 1;
  margin-left: var(--sidebar-width);
  padding: 20px;
  padding-top: calc(var(--header-height) + 20px);
  transition: var(--transition);
}

.campus-header {
  position: fixed;
  top: 0;
  right: 0;
  left: var(--sidebar-width);
  height: var(--header-height);
  background-color: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 1000;
  transition: var(--transition);
}

.campus-header h1 {
  font-size: 1.5rem;
  margin: 0;
  color: var(--text-color);
}

.header-controls {
  display: flex;
  align-items: center;
}

.header-controls .search-box {
  position: relative;
  margin-right: 20px;
}

.header-controls .search-box input {
  padding: 8px 15px;
  padding-left: 40px;
  border-radius: 100px;
  border: 1px solid var(--border-color);
  background-color: var(--light-color);
  width: 220px;
  font-size: 0.9rem;
}

.header-controls .search-box i {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.user-dropdown {
  position: relative;
  cursor: pointer;
}

.user-menu {
  display: flex;
  align-items: center;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  margin-right: 10px;
  object-fit: cover;
}

.user-name {
  font-weight: 600;
  margin-right: 5px;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background-color: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  padding: 10px 0;
  min-width: 200px;
  z-index: 1;
  display: none;
}

.dropdown-menu.show {
  display: block;
}

.dropdown-item {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  color: var(--text-color);
  transition: var(--transition);
}

.dropdown-item:hover {
  background-color: var(--bg-color);
  color: var(--primary-color);
}

.dropdown-item i {
  margin-right: 10px;
  font-size: 1.2rem;
}

/* 4. Dashboard */
.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.stat-card {
  background-color: #fff;
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.stat-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: #fff;
}

.stat-icon-courses {
  background-color: var(--primary-color);
}

.stat-icon-progress {
  background-color: var(--success-color);
}

.stat-icon-quizzes {
  background-color: var(--warning-color);
}

.stat-icon-certificates {
  background-color: var(--secondary-color);
}

.stat-title {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 5px;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0;
}

.section-title {
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section-title h2 {
  font-size: 1.5rem;
  margin-bottom: 0;
}

.view-all {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 0.9rem;
}

.view-all:hover {
  color: var(--primary-color-dark);
}

/* 5. Sidebar */
.campus-sidebar {
  width: var(--sidebar-width);
  background-color: #fff;
  box-shadow: 2px 0 10px rgba(0, 0, 0, 0.05);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  overflow-y: auto;
  transition: var(--transition);
  z-index: 1001;
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.logo-container {
  max-width: 180px;
}

.logo-container img {
  max-width: 100%;
  height: auto;
}

.toggle-sidebar {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  display: none;
}

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

.nav-item {
  margin-bottom: 5px;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  color: var(--text-color);
  border-radius: 5px;
  margin: 0 10px;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  background-color: rgba(88, 70, 249, 0.1);
  color: var(--primary-color);
}

.nav-link i {
  margin-right: 10px;
  font-size: 1.2rem;
}

.nav-category {
  padding: 15px 20px 5px;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
}

.sidebar-footer {
  padding: 20px;
  text-align: center;
  border-top: 1px solid var(--border-color);
  margin-top: 20px;
}

.support-link {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  background-color: rgba(88, 70, 249, 0.1);
  color: var(--primary-color);
  border-radius: var(--border-radius);
  font-weight: 600;
}

.support-link i {
  margin-right: 8px;
}

/* 6. Course Cards */
.course-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.course-card {
  background-color: #fff;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.course-image {
  height: 160px;
  overflow: hidden;
  position: relative;
}

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

.course-card:hover .course-image img {
  transform: scale(1.1);
}

.course-category {
  position: absolute;
  top: 15px;
  right: 15px;
  background-color: rgba(0, 0, 0, 0.7);
  color: #fff;
  padding: 5px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.course-content {
  padding: 20px;
}

.course-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 50px;
}

.course-instructor {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

.instructor-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 10px;
}

.instructor-name {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.course-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 15px;
  font-size: 0.85rem;
}

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

.meta-item i {
  margin-right: 5px;
  color: var(--text-muted);
}

.course-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 15px;
}

.progress-container {
  flex-grow: 1;
  margin-right: 15px;
}

.progress-text {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  margin-bottom: 5px;
}

.progress-bar-container {
  height: 6px;
  background-color: #f1f1f1;
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--primary-color);
  border-radius: 3px;
}

.continue-btn {
  font-size: 1.2rem;
  color: var(--primary-color);
  transition: var(--transition);
}

.continue-btn:hover {
  color: var(--primary-color-dark);
}

/* 7. Progress */
.progress-container {
  background-color: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  padding: 30px;
  margin-bottom: 30px;
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.progress-header h3 {
  font-size: 1.3rem;
  margin-bottom: 0;
}

.progress-filter {
  display: flex;
  gap: 10px;
}

.filter-btn {
  background-color: #f1f1f1;
  border: none;
  border-radius: 20px;
  padding: 8px 15px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--primary-color);
  color: #fff;
}

.overall-progress {
  display: flex;
  align-items: center;
  margin-bottom: 30px;
}

.circle-progress {
  width: 120px;
  height: 120px;
  position: relative;
  margin-right: 30px;
}

.circle-progress-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.8rem;
  font-weight: 700;
}

.progress-details {
  flex-grow: 1;
}

.progress-details h4 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.progress-detail-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
}

.detail-label {
  color: var(--text-muted);
}

.detail-value {
  font-weight: 600;
}

/* 8. Course Content */
.course-header {
  background-color: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  padding: 30px;
  margin-bottom: 30px;
  position: relative;
  overflow: hidden;
}

.course-header-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  filter: blur(8px);
  opacity: 0.1;
  z-index: 0;
}

.course-header-content {
  position: relative;
  z-index: 1;
}

.back-to-courses {
  display: inline-flex;
  align-items: center;
  margin-bottom: 20px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.back-to-courses i {
  margin-right: 5px;
}

.course-header-title {
  font-size: 2rem;
  margin-bottom: 15px;
}

.course-header-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 20px;
}

.course-header-meta-item {
  display: flex;
  align-items: center;
}

.course-header-meta-item i {
  margin-right: 5px;
  color: var(--primary-color);
}

.course-description {
  line-height: 1.8;
  margin-bottom: 0;
}

.course-content-container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}

.video-container {
  background-color: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.video-player {
  width: 100%;
  aspect-ratio: 16 / 9;
}

.video-details {
  padding: 20px;
}

.video-title {
  font-size: 1.3rem;
  margin-bottom: 15px;
}

.video-description {
  color: var(--text-color);
  line-height: 1.7;
}

.course-sidebar {
  background-color: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.sidebar-header {
  padding: 20px;
  background-color: var(--primary-color);
  color: #fff;
}

.sidebar-title {
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.lesson-completion {
  margin-bottom: 0;
  font-size: 0.9rem;
}

.sidebar-progress {
  height: 5px;
  background-color: rgba(255, 255, 255, 0.3);
  margin-top: 10px;
  border-radius: 5px;
  overflow: hidden;
}

.sidebar-progress-bar {
  height: 100%;
  background-color: #fff;
  border-radius: 5px;
}

.sidebar-content {
  padding: 0;
}

.module-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.module-header {
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--transition);
}

.module-header:hover {
  background-color: var(--bg-color);
}

.module-title {
  font-weight: 600;
  display: flex;
  align-items: center;
}

.module-title i {
  margin-right: 10px;
  transition: var(--transition);
}

.module-header.active .module-title i {
  transform: rotate(90deg);
}

.module-info {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.lesson-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: none;
}

.module-header.active + .lesson-list {
  display: block;
}

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

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

.lesson-link {
  display: flex;
  align-items: center;
  padding: 12px 20px 12px 40px;
  color: var(--text-color);
  transition: var(--transition);
}

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

.lesson-link.active {
  background-color: rgba(88, 70, 249, 0.1);
  color: var(--primary-color);
}

.lesson-link i {
  margin-right: 10px;
  font-size: 1rem;
}

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

.lesson-info {
  display: flex;
  align-items: center;
  margin-left: auto;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.lesson-info i {
  margin-right: 5px;
}

/* 9. Quiz & Tests */
.quiz-container {
  background-color: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  padding: 30px;
  margin-bottom: 30px;
}

.quiz-header {
  margin-bottom: 20px;
}

.quiz-title {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.quiz-info {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.quiz-info-item {
  display: flex;
  align-items: center;
}

.quiz-info-item i {
  margin-right: 5px;
  color: var(--primary-color);
}

.quiz-description {
  margin-bottom: 30px;
  line-height: 1.7;
}

.question-container {
  margin-bottom: 30px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 20px;
}

.question-text {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.options-list {
  list-style: none;
  padding: 0;
}

.option-item {
  margin-bottom: 15px;
}

.option-label {
  display: flex;
  align-items: flex-start;
  cursor: pointer;
}

.option-input {
  margin-right: 10px;
  margin-top: 3px;
}

.option-text {
  flex-grow: 1;
}

.quiz-navigation {
  display: flex;
  justify-content: space-between;
}

.btn-quiz {
  padding: 10px 20px;
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: var(--transition);
}

.btn-prev-question {
  background-color: var(--light-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.btn-prev-question:hover {
  background-color: #e9ecef;
}

.btn-next-question,
.btn-submit-quiz {
  background-color: var(--primary-color);
  color: #fff;
  border: none;
}

.btn-next-question:hover,
.btn-submit-quiz:hover {
  background-color: var(--primary-color-dark);
}

/* 10. Forum */
.forum-container {
  background-color: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
}

.forum-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.forum-title {
  font-size: 1.3rem;
  margin-bottom: 0;
}

.btn-new-topic {
  background-color: var(--primary-color);
  color: #fff;
  padding: 8px 15px;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
}

.btn-new-topic:hover {
  background-color: var(--primary-color-dark);
  color: #fff;
}

.btn-new-topic i {
  margin-right: 5px;
}

.forum-topics {
  padding: 0;
}

.topic-item {
  display: flex;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.topic-item:hover {
  background-color: var(--bg-color);
}

.topic-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  margin-right: 15px;
}

.topic-body {
  flex-grow: 1;
}

.topic-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.topic-author {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.topic-date {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.topic-title {
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 5px;
}

.topic-preview {
  color: var(--text-muted);
  font-size: 0.9rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.topic-stats {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-left: 20px;
  min-width: 80px;
}

.stats-replies {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.stats-label {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* 11. Responsive */
@media (max-width: 992px) {
  :root {
    --sidebar-width: 0px;
  }

  .campus-sidebar {
    left: -280px;
  }

  .sidebar-open .campus-sidebar {
    left: 0;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
  }

  .toggle-sidebar {
    display: block;
  }

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

@media (max-width: 768px) {
  .dashboard-stats {
    grid-template-columns: repeat(auto-fit, minmax(100%, 1fr));
  }

  .course-cards {
    grid-template-columns: repeat(auto-fill, minmax(100%, 1fr));
  }

  .header-controls .search-box {
    display: none;
  }

  .forum-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-new-topic {
    margin-top: 15px;
  }

  .topic-item {
    flex-direction: column;
  }

  .topic-stats {
    margin-left: 0;
    margin-top: 15px;
    flex-direction: row;
    width: 100%;
    justify-content: flex-start;
  }

  .stats-replies {
    margin-right: 10px;
  }
}