/* Frontend Styles для SmartLearn LMS */

/* Courses Grid (Shortcode) */
.smartlearn-courses-grid {
  display: grid !important;
  gap: var(--wd-sp, 30px);
  margin: 30px 0;
  width: 100%;
  grid-auto-rows: 1fr;
}

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

.smartlearn-courses-grid.columns-2 {
  grid-template-columns: repeat(2, 1fr) !important;
}

.smartlearn-courses-grid.columns-3 {
  grid-template-columns: repeat(3, 1fr) !important;
}

.smartlearn-courses-grid.columns-4 {
  grid-template-columns: repeat(4, 1fr) !important;
}

/* Responsive */
@media (max-width: 1024px) {
  .smartlearn-courses-grid.columns-4 {
    grid-template-columns: repeat(3, 1fr) !important;
  }
}

@media (max-width: 768px) {
  .smartlearn-courses-grid.columns-3,
  .smartlearn-courses-grid.columns-4 {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

@media (max-width: 480px) {
  .smartlearn-courses-grid.columns-2,
  .smartlearn-courses-grid.columns-3,
  .smartlearn-courses-grid.columns-4 {
    grid-template-columns: 1fr !important;
  }
}

.smartlearn-course-item {
  background: var(--bgcolor-white, #fff);
  border: 1px solid var(--brdcolor-gray-300, #e0e0e0);
  border-radius: var(--wd-brd-radius, 8px);
  overflow: hidden;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  display: flex !important;
  flex-direction: column;
  width: 100%;
  box-sizing: border-box;
  position: relative;
}

/* Ensure grid items stretch to equal height */
.smartlearn-courses-grid > .smartlearn-course-item {
  height: 100%;
}

.smartlearn-course-item:hover {
  box-shadow: 0 0 9px rgba(0,0,0,0.2);
  transform: translateY(-3px);
}

.smartlearn-course-thumbnail {
  position: relative;
  overflow: hidden;
}

/* Keep thumbnail at top and do not stretch */
.smartlearn-course-thumbnail {
  flex: 0 0 auto;
}

.smartlearn-course-thumbnail img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.smartlearn-course-item:hover .smartlearn-course-thumbnail img {
  transform: scale(1.05);
}

.smartlearn-course-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
}

.smartlearn-course-content {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* Make inner blocks inside content align and stretch consistently */
.smartlearn-course-content > * {
  box-sizing: border-box;
}

.smartlearn-course-excerpt {
  /* allow excerpt to take available space before button */
  flex: 1 1 auto;
  margin-bottom: 15px;
}

.smartlearn-course-button-wrap {
  margin-top: auto;
  padding-top: 15px;
  width: 100%;
  position: relative;
  z-index: 9998;
}

.smartlearn-course-categories {
  font-size: 12px;
  color: #666;
  margin-bottom: 10px;
}

.smartlearn-course-categories a {
  color: #0073aa;
  text-decoration: none;
}

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

.smartlearn-course-title {
  margin: 0 0 15px;
  font-size: 20px;
  line-height: 1.4;
}

.smartlearn-course-title a {
  color: var(--color-gray-900, #333);
  text-decoration: none;
  transition: color 0.3s ease;
}

.smartlearn-course-title a:hover {
  color: var(--wd-primary-color, #667eea);
}

.smartlearn-course-meta {
  display: flex;
  gap: 15px;
  margin-bottom: 15px;
  font-size: 13px;
  color: #666;
}

.smartlearn-course-meta span {
  display: inline-block;
}

.smartlearn-course-excerpt {
  font-size: 14px;
  line-height: 1.6;
  color: #555;
  margin-bottom: 15px;
}

/* Clamp excerpt to 2 lines with ellipsis */
.smartlearn-course-excerpt {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* keep wrapper full-width; avoid centering rules that can break click overlays */

.smartlearn-course-button {
  display: inline-block;
  padding: 12px 30px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  text-decoration: none;
  border-radius: 25px;
  font-size: 14px;
  font-weight: var(--btn-accented-font-weight, 600);
  text-transform: var(--btn-accented-transform, uppercase);
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
  width: 100%;
  box-sizing: border-box;
  cursor: pointer;
  pointer-events: auto;
  position: relative;
  z-index: 9999;
}

.smartlearn-course-button:hover {
  background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.smartlearn-course-button.need-login {
  background: var(--color-gray-600, #666);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.smartlearn-course-button.need-purchase {
  background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
  box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

/* Single Course */
.smartlearn-course-single {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 20px;
  width: 100%;
  box-sizing: border-box;
}

.smartlearn-course-header {
  margin-bottom: 30px;
}

.smartlearn-course-title {
  font-size: 32px;
  margin-bottom: 20px;
}

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

.smartlearn-course-meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.smartlearn-course-meta-item .label {
  font-weight: 600;
}

.smartlearn-course-access-button {
  margin-top: 20px;
}

.smartlearn-course-thumbnail {
  margin-bottom: 30px;
}
.smartlearn-course-thumbnail img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 12px;
}

.smartlearn-course-description {
  line-height: 1.8;
  margin-bottom: 40px;
  overflow-wrap: anywhere;
}

.smartlearn-course-lessons-count {
  margin-top: 14px;
  font-size: 13px;
  color: var(--color-gray-600, #777);
}

.smartlearn-course-lessons-section h2 {
  font-size: 24px;
  margin-bottom: 30px;
  color: var(--wd-title-color, #333);
  font-weight: var(--wd-title-font-weight, 600);
  position: relative;
  padding-bottom: 15px;
}

.smartlearn-course-lessons-section h2:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
  border-radius: 3px;
}

/* Lessons List */
.smartlearn-lessons-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: transparent;
  border: none;
  border-radius: 0;
  overflow: visible;
  box-shadow: none;
}

.smartlearn-lesson-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bgcolor-white, #fff);
  border: 1px solid var(--brdcolor-gray-200, #eee);
  border-radius: 12px;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
  width: 100%;
  box-sizing: border-box;
}

.smartlearn-lesson-item.has-access {
  border-left: 3px solid var(--wd-primary-color, #667eea);
}

.smartlearn-lesson-item.no-access {
  opacity: 0.7;
}

.smartlearn-lesson-item:hover {
  background: var(--bgcolor-gray-100, #f7f7f7);
  border-color: color-mix(in srgb, var(--wd-primary-color, #667eea) 22%, var(--brdcolor-gray-200, #eee));
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
}

.smartlearn-lesson-item:before {
  content: none;
}

.smartlearn-lesson-icon,
.smartlearn-lesson-number {
  display: none;
}

.smartlearn-lesson-content {
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.smartlearn-lesson-title {
  display: block;
  font-weight: 600;
  font-size: 18px;
  line-height: 1.25;
  color: var(--color-gray-900, #111);
  text-decoration: none;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.smartlearn-lesson-title:hover {
  color: var(--wd-primary-color, #667eea);
  text-decoration: none;
}

.smartlearn-lesson-title.smartlearn-lesson-locked {
  color: var(--color-gray-500, #9aa0a6);
}

.smartlearn-lesson-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
  flex-shrink: 0;
}

.smartlearn-lesson-badge {
  padding: 4px 12px;
  background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
  color: #fff;
  border-radius: 15px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  box-shadow: 0 2px 8px rgba(40, 167, 69, 0.3);
}

.smartlearn-lesson-duration {
  font-size: 13px;
  color: var(--color-gray-600, #777);
  background: var(--bgcolor-gray-100, #f3f4f6);
  border: 1px solid var(--brdcolor-gray-200, #eee);
  padding: 4px 10px;
  border-radius: 999px;
}

/* Single Lesson */
.smartlearn-lesson-single {
  max-width: 1000px;
  margin: 0 auto;
  width: 100%;
  padding: 40px 20px;
  box-sizing: border-box;
}

.smartlearn-lesson-breadcrumb {
  margin-bottom: 20px;
}

.smartlearn-lesson-breadcrumb a {
  color: #0073aa;
  text-decoration: none;
  font-size: 14px;
}

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

.smartlearn-lesson-header {
  margin-bottom: 30px;
}

.smartlearn-lesson-title {
  font-size: 28px;
  margin-bottom: 15px;
}

.smartlearn-lesson-meta {
  color: #666;
  font-size: 14px;
}

.smartlearn-lesson-video-wrap {
  margin-bottom: 30px;
}

.smartlearn-lesson-video {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  overflow: hidden;
}

.smartlearn-lesson-video iframe,
.smartlearn-lesson-video video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.smartlearn-lesson-content {
  line-height: 1.8;
  margin-bottom: 40px;
  overflow-wrap: anywhere;
}

.smartlearn-lesson-navigation {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  padding-top: 30px;
  border-top: 1px solid #e0e0e0;
}

.smartlearn-lesson-navigation .button {
  padding: 10px 20px;
  /* Background color controlled by CSS variable --smartlearn-lesson-nav-btn-bg */
  background: var(--smartlearn-lesson-nav-btn-bg, #b8b7fd);
  color: var(--smartlearn-lesson-nav-btn-color, #fff);
  text-decoration: none;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.3s ease;
}

.smartlearn-lesson-navigation .button:hover {
  background: var(--smartlearn-lesson-nav-btn-bg-hover, #b8b7fd);
  color: var(--smartlearn-lesson-nav-btn-color-hover, #fff);
}

/* Access Denied */
.smartlearn-access-denied,
.smartlearn-course-locked,
.smartlearn-lesson-locked {
  text-align: center;
  padding: 22px 18px;
  background: var(--bgcolor-white, #fff);
  color: var(--wd-text-color, #333);
  border: 1px solid var(--brdcolor-gray-200, rgba(0, 0, 0, 0.12));
  border-radius: 10px;
  margin: 18px 0;
  box-shadow: none;
}

.smartlearn-access-denied-icon {
  display: none;
}

.smartlearn-access-denied h3 {
  font-size: 16px;
  line-height: 1.4;
  margin: 0 0 12px;
  color: inherit;
  font-weight: 600;
}

.smartlearn-access-button {
  display: inline-block;
  padding: 10px 18px;
  background: var(--btn-accented-bgcolor, var(--wd-primary-color, #b8b7fd));
  color: var(--smartlearn-lesson-nav-btn-color, #fff);
  text-decoration: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
  margin: 0;
  box-shadow: none;
}

.smartlearn-access-button:hover {
  background: var(--smartlearn-lesson-nav-btn-bg-hover, var(--wd-primary-color, #b8b7fd));
  color: var(--smartlearn-lesson-nav-btn-color-hover, #fff);
  transform: none;
}

/* Responsive */
@media (max-width: 768px) {
  .smartlearn-course-single,
  .smartlearn-lesson-single {
    padding: 28px 16px;
  }

  .smartlearn-course-item {
    min-width: 0;
  }

  .smartlearn-course-content {
    padding: 16px;
  }

  .smartlearn-courses-grid.columns-3,
  .smartlearn-courses-grid.columns-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .smartlearn-course-title {
    font-size: 24px;
  }

  .smartlearn-course-meta {
    gap: 12px;
  }

  .smartlearn-course-lessons-section h2 {
    font-size: 22px;
    margin-bottom: 20px;
  }

  .smartlearn-lesson-item {
    align-items: flex-start;
    flex-direction: column;
  }

  .smartlearn-lesson-title {
    white-space: normal;
    overflow: visible;
    text-overflow: initial;
  }

  .smartlearn-lesson-meta {
    justify-content: flex-start;
    width: 100%;
  }

  .smartlearn-lesson-title {
    font-size: 22px;
  }

  .smartlearn-lesson-navigation {
    flex-direction: column;
  }

  .smartlearn-lesson-navigation .button {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .smartlearn-courses-grid {
    gap: 20px;
  }

  .smartlearn-courses-grid.columns-2,
  .smartlearn-courses-grid.columns-3,
  .smartlearn-courses-grid.columns-4 {
    grid-template-columns: 1fr;
  }

  .smartlearn-course-title {
    font-size: 21px;
    margin-bottom: 14px;
  }

  .smartlearn-course-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .smartlearn-course-thumbnail {
    margin-bottom: 20px;
  }

  .smartlearn-course-lessons-section h2 {
    font-size: 20px;
  }

  .smartlearn-lesson-header {
    margin-bottom: 22px;
  }

  .smartlearn-lesson-title {
    font-size: 20px;
    margin-bottom: 10px;
  }

  .smartlearn-lesson-item {
    padding: 12px 14px;
    gap: 10px;
  }

  .smartlearn-lesson-duration,
  .smartlearn-lesson-badge {
    font-size: 12px;
  }

  .smartlearn-access-denied,
  .smartlearn-course-locked,
  .smartlearn-lesson-locked {
    padding: 18px 14px;
  }

  .smartlearn-access-button,
  .smartlearn-course-button {
    width: 100%;
    text-align: center;
  }
}