/* Major Details Page Styles - Modern Professional Design */

/* Color Variables */
:root {
  --jinan-teal: #316667;
  --jinan-gold: #cd9933;
  --light-gray: #f8f9fa;
  --medium-gray: #e9ecef;
  --dark-gray: #6c757d;
  --white: #ffffff;
  --text-dark: #2c3e50;
  --text-light: #6c757d;
  --border-light: #dee2e6;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

/* Major Details Page Container */
.major-details-page {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
    "Ubuntu", "Cantarell", sans-serif;
  background-color: var(--light-gray);
  min-height: 100vh;
}

/* Hero Section */
.major-hero {
  background: linear-gradient(135deg, var(--jinan-teal) 0%, #2a5a5b 100%);
  color: var(--white);
  padding: 60px 0;
  margin-bottom: 40px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.major-icon {
  font-size: 4rem;
  margin-bottom: 20px;
  opacity: 0.9;
}

.major-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  line-height: 1.2;
  color: var(--white);
}

.degree-info {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.degree-type,
.credits-info {
  background: rgba(255, 255, 255, 0.15);
  padding: 8px 20px;
  border-radius: 20px;
  font-weight: 500;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Main Content Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.row {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
}

.col-lg-8 {
  flex: 1;
  min-width: 0;
}

.col-lg-4 {
  width: 350px;
  flex-shrink: 0;
}

/* Documents Section */
.documents-section {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: var(--shadow);
}

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 25px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--jinan-gold);
}

.section-title i {
  color: var(--jinan-teal);
  font-size: 1.3rem;
}

.documents-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.document-card {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 20px;
  background: var(--light-gray);
  border-radius: var(--border-radius);
  text-decoration: none;
  color: var(--text-dark);
  transition: var(--transition);
  border: 2px solid transparent;
}

.document-card:hover {
  background: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: var(--jinan-teal);
  text-decoration: none;
  color: var(--text-dark);
}

.doc-icon {
  font-size: 2.5rem;
  color: var(--jinan-teal);
  flex-shrink: 0;
}

.doc-info h4 {
  margin: 0 0 5px 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.doc-type {
  font-size: 0.85rem;
  color: var(--text-light);
  text-transform: uppercase;
  font-weight: 500;
}

/* Curriculum Section */
.curriculum-section {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: var(--shadow);
}

/* Levels Accordion */
.levels-accordion {
  margin-top: 20px;
}

.level-card {
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius);
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.level-header {
  background: linear-gradient(135deg, var(--jinan-teal) 0%, #2a5a5b 100%);
  color: var(--white);
}

.level-title {
  margin: 0;
  padding: 20px 25px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.2rem;
  font-weight: 600;
  transition: var(--transition);
  user-select: none;
  color: var(--white);
}

.level-title:hover {
  background: rgba(255, 255, 255, 0.1);
}

.level-name {
  flex: 1;
}

.collapse-icon {
  font-size: 1rem;
  transition: transform 0.3s ease;
}

.level-body {
  padding: 25px;
  background: var(--white);
}

/* Courses Grid */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.course-card {
  background: var(--light-gray);
  border-radius: var(--border-radius);
  padding: 20px;
  transition: var(--transition);
  border: 2px solid transparent;
}

.course-card:hover {
  background: var(--white);
  border-color: var(--jinan-gold);
  box-shadow: var(--shadow);
}

.course-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.course-code {
  font-weight: 600;
  font-size: 1rem;
}

.course-link {
  color: var(--jinan-teal);
  text-decoration: none;
  transition: var(--transition);
}

.course-link:hover {
  color: var(--jinan-gold);
  text-decoration: underline;
}

.course-code-text {
  color: var(--text-dark);
}

.course-credits {
  background: var(--jinan-gold);
  color: var(--white);
  padding: 4px 12px;
  border-radius: 15px;
  font-size: 0.85rem;
  font-weight: 500;
}

.course-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 12px;
  line-height: 1.3;
}

.course-description {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-light);
}

.course-description.unavailable {
  font-style: italic;
  color: var(--dark-gray);
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 2rem;
}

/* Major page specific styles for info display */
.info-grid {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--medium-gray);
}

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

.info-label {
  font-weight: 500;
  color: var(--text-dark);
}

.info-value {
  color: var(--text-light);
  text-align: right;
  max-width: 60%;
}

/* Quick Actions */
.quick-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.action-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 15px;
  background: var(--light-gray);
  color: var(--text-dark);
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: var(--transition);
  font-weight: 500;
}

.action-link:hover {
  background: var(--jinan-teal);
  color: var(--white);
  text-decoration: none;
  transform: translateX(5px);
}

.action-link i {
  color: var(--jinan-gold);
  font-size: 1.1rem;
}

.action-link:hover i {
  color: var(--white);
}

/* No Content State */
.no-content {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-light);
}

.no-content-icon {
  font-size: 4rem;
  margin-bottom: 20px;
  opacity: 0.5;
}

.no-content h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: var(--text-dark);
}

.no-content p {
  font-size: 1rem;
  margin: 0;
}

/* Responsive Design */
@media (max-width: 992px) {
  .row {
    flex-direction: column;
  }

  .col-lg-4 {
    width: 100%;
  }

  .sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .major-hero {
    padding: 40px 0;
  }

  .major-title {
    font-size: 2rem;
  }

  .degree-info {
    gap: 15px;
  }

  .documents-section,
  .curriculum-section {
    padding: 20px;
    margin-bottom: 20px;
  }

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

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

  .course-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .info-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }

  .info-value {
    text-align: left;
    max-width: 100%;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 15px;
  }

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

  .major-icon {
    font-size: 3rem;
  }

  .section-title {
    font-size: 1.3rem;
  }

  .level-title {
    padding: 15px 20px;
    font-size: 1.1rem;
  }

  .level-body {
    padding: 20px 15px;
  }

  .course-card {
    padding: 15px;
  }

  .info-card {
    padding: 20px 15px;
  }
}