/* ========================================
   CURSO PAGE STYLES
   Estilos especificos para a pagina de detalhe do curso
   ======================================== */

/* ========================================
   BREADCRUMB
   ======================================== */
.breadcrumb {
  background: var(--bg-secondary);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--text-sm);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-tertiary);
}

.breadcrumb-item:not(:last-child)::after {
  content: '/';
  color: var(--text-quaternary);
}

.breadcrumb-item a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
  color: var(--color-primary-500);
}

.breadcrumb-item.active {
  color: var(--text-primary);
  font-weight: var(--font-medium);
}

/* ========================================
   COURSE HERO
   ======================================== */
.course-hero {
  background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-800) 100%);
  color: white;
  padding: var(--space-10) 0;
}

.course-hero-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-10);
  align-items: start;
}

/* Hero Content */
.course-hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.course-hero-badges {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.course-hero-title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  line-height: var(--leading-tight);
  margin: 0;
  color: white;
}

.course-hero-description {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
}

/* Rating & Stats */
.course-hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.course-hero-rating {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.course-hero-rating-value {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-secondary-400);
}

.course-hero-rating-count {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.8);
}

.course-hero-students {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.8);
  padding-left: var(--space-4);
  border-left: 1px solid rgba(255, 255, 255, 0.3);
}

/* Instructor */
.course-hero-instructor {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.course-hero-instructor-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.course-hero-instructor-info {
  display: flex;
  flex-direction: column;
}

.course-hero-instructor-label {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.course-hero-instructor-name {
  font-weight: var(--font-semibold);
  color: white;
}

/* Meta Info */
.course-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.course-hero-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.9);
}

.course-hero-meta-item svg {
  opacity: 0.8;
}

/* Mobile Actions (hidden on desktop) */
.course-hero-actions-mobile {
  display: none;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.course-hero-price-mobile {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* ========================================
   COURSE PREVIEW CARD (Sidebar)
   ======================================== */
.course-hero-preview {
  position: relative;
}

.course-preview-card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
  position: sticky;
  top: calc(var(--header-height) + var(--space-4));
}

.course-preview-video {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.course-preview-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-preview-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  background: rgba(0, 0, 0, 0.7);
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  transition: all var(--transition-base);
}

.course-preview-play:hover {
  background: var(--color-primary-500);
  transform: translate(-50%, -50%) scale(1.1);
}

.course-preview-play svg {
  width: 32px;
  height: 32px;
}

.course-preview-content {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* Price */
.course-preview-price {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.course-price-current {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
}

.course-price-original {
  font-size: var(--text-lg);
  color: var(--text-tertiary);
  text-decoration: line-through;
}

.course-price-discount {
  background: var(--color-success-light);
  color: var(--color-success);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
}

/* Urgency */
.course-preview-urgency {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-error);
  font-size: var(--text-sm);
  margin: 0;
}

.course-preview-urgency svg {
  flex-shrink: 0;
}

/* Actions */
.course-preview-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* Guarantee */
.course-preview-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  margin: 0;
}

.course-preview-guarantee svg {
  color: var(--color-success);
}

/* Includes */
.course-preview-includes {
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-color);
}

.course-preview-includes-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin: 0 0 var(--space-3) 0;
}

.course-preview-includes-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.course-preview-includes-list li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.course-preview-includes-list svg {
  flex-shrink: 0;
  color: var(--text-tertiary);
}

/* Share */
.course-preview-share {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-color);
}

/* ========================================
   COURSE CONTENT SECTION
   ======================================== */
.course-content-section {
  padding: var(--space-10) 0;
}

.course-content-grid {
  max-width: 900px;
}

/* ========================================
   COURSE TABS
   ======================================== */
.course-tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 2px solid var(--border-color);
  margin-bottom: var(--space-6);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.course-tab {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.course-tab:hover {
  color: var(--text-primary);
}

.course-tab.active {
  color: var(--color-primary-500);
  border-bottom-color: var(--color-primary-500);
}

/* Tab Panels */
.course-tab-panel {
  display: none;
}

.course-tab-panel.active {
  display: block;
  animation: fadeIn var(--transition-base);
}

/* ========================================
   COURSE ABOUT TAB
   ======================================== */
.course-about {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.course-section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin: 0 0 var(--space-4) 0;
}

/* Objectives */
.course-objectives {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.course-objective {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.course-objective svg {
  flex-shrink: 0;
  color: var(--color-success);
  margin-top: 2px;
}

.course-objective span {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* Description */
.course-description-full {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.course-description-full p {
  margin: 0 0 var(--space-4) 0;
}

.course-description-full h3 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin: var(--space-6) 0 var(--space-3) 0;
}

.course-description-full ul {
  margin: 0 0 var(--space-4) 0;
  padding-left: var(--space-5);
}

.course-description-full li {
  margin-bottom: var(--space-2);
}

/* ========================================
   COURSE CURRICULUM TAB
   ======================================== */
.course-curriculum {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.course-curriculum-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.course-curriculum-info {
  display: flex;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.course-curriculum-info span {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Module */
.course-module {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.course-module-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--space-4);
  background: var(--bg-secondary);
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition-fast);
}

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

.course-module-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.course-module-number {
  font-size: var(--text-xs);
  color: var(--color-primary-500);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.course-module-title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin: 0;
}

.course-module-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.course-module-chevron {
  transition: transform var(--transition-fast);
}

.course-module-header[aria-expanded="true"] .course-module-chevron {
  transform: rotate(180deg);
}

/* Module Content */
.course-module-content {
  border-top: 1px solid var(--border-color);
}

.course-module-content[hidden] {
  display: none;
}

/* Lessons */
.course-lessons {
  list-style: none;
  padding: 0;
  margin: 0;
}

.course-lesson {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition-fast);
}

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

.course-lesson:hover {
  background: var(--bg-secondary);
}

.course-lesson-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.course-lesson-info svg {
  flex-shrink: 0;
  color: var(--color-primary-500);
}

.course-lesson-title {
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.course-lesson-duration {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.course-lesson-locked {
  opacity: 0.6;
}

.course-lesson-locked svg {
  color: var(--text-tertiary);
}

/* ========================================
   INSTRUCTOR TAB
   ======================================== */
.course-instructor-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.instructor-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.instructor-header {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
}

.instructor-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--color-primary-100);
}

.instructor-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.instructor-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin: 0;
}

.instructor-title {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin: 0;
}

.instructor-stats {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-2);
}

.instructor-stat {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.instructor-stat svg {
  color: var(--color-secondary-500);
}

.instructor-bio {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.instructor-bio p {
  margin: 0 0 var(--space-4) 0;
}

.instructor-bio p:last-child {
  margin-bottom: 0;
}

/* ========================================
   REVIEWS TAB
   ======================================== */
.course-reviews-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* Reviews Summary */
.reviews-summary {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-8);
  padding: var(--space-6);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
}

.reviews-summary-score {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding-right: var(--space-8);
  border-right: 1px solid var(--border-color);
}

.reviews-summary-value {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  color: var(--color-secondary-500);
  line-height: 1;
}

.reviews-summary-count {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.reviews-summary-bars {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  justify-content: center;
}

.reviews-bar {
  display: grid;
  grid-template-columns: 80px 1fr 40px;
  gap: var(--space-3);
  align-items: center;
}

.reviews-bar-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.reviews-bar-track {
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.reviews-bar-fill {
  height: 100%;
  background: var(--color-secondary-500);
  border-radius: var(--radius-full);
}

.reviews-bar-value {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  text-align: right;
}

/* Reviews List */
.reviews-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.review-card {
  padding: var(--space-5);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.review-header {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.review-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.review-author {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.review-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.review-date {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.review-content {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0;
}

/* ========================================
   HEADER CART BADGE
   ======================================== */
.header-cart {
  position: relative;
}

.header-cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background: var(--color-secondary-500);
  color: white;
  font-size: 10px;
  font-weight: var(--font-bold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-cart-count:empty,
.header-cart-count[data-cart-count="0"] {
  display: none;
}

/* ========================================
   RESPONSIVE
   ======================================== */

/* Tablet */
@media (max-width: 1024px) {
  .course-hero-grid {
    grid-template-columns: 1fr;
  }

  .course-hero-preview {
    display: none;
  }

  .course-hero-actions-mobile {
    display: flex;
  }

  .course-hero-title {
    font-size: var(--text-3xl);
  }

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

  .reviews-summary {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .reviews-summary-score {
    flex-direction: row;
    justify-content: center;
    padding-right: 0;
    padding-bottom: var(--space-4);
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .reviews-summary-value {
    font-size: var(--text-4xl);
  }
}

/* Mobile */
@media (max-width: 768px) {
  .course-hero {
    padding: var(--space-6) 0;
  }

  .course-hero-title {
    font-size: var(--text-2xl);
  }

  .course-hero-description {
    font-size: var(--text-base);
  }

  .course-hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .course-hero-students {
    padding-left: 0;
    border-left: none;
  }

  .course-hero-meta {
    flex-direction: column;
    gap: var(--space-2);
  }

  .course-content-section {
    padding: var(--space-6) 0;
  }

  .course-tabs {
    margin-left: calc(var(--space-4) * -1);
    margin-right: calc(var(--space-4) * -1);
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .course-module-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .course-module-meta {
    width: 100%;
    justify-content: space-between;
  }

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

  .instructor-stats {
    justify-content: center;
    flex-wrap: wrap;
  }

  .reviews-summary-score {
    flex-direction: column;
  }

  .reviews-bar {
    grid-template-columns: 70px 1fr 35px;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .breadcrumb-list {
    font-size: var(--text-xs);
  }

  .course-hero-badges .badge {
    font-size: var(--text-xs);
  }

  .course-tab {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
  }

  .course-lesson {
    padding: var(--space-2) var(--space-3);
  }

  .course-lesson-title {
    font-size: var(--text-xs);
  }

  .instructor-avatar {
    width: 80px;
    height: 80px;
  }
}