/* ==========================================================
   COURSE COVERS — scoped, responsive and readable
   ========================================================== */

/* Home course cards */
.home-course-card .hcc-right {
  min-width: 0;
}

.home-course-card .hcc-cover {
  align-items: center;
  background: #f2f7f5;
  border: 1px solid #dce9e5;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(16, 71, 60, 0.1);
  display: flex;
  flex: 0 0 96px;
  height: 68px;
  justify-content: center;
  overflow: hidden;
  padding: 3px;
  width: 96px;
}

.home-course-card .hcc-cover img {
  display: block;
  height: 100%;
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.25s ease;
  width: 100%;
}

.home-course-card:hover .hcc-cover img {
  transform: scale(1.02);
}

/* Public courses list */
.course-card .course-card-cover {
  align-items: center;
  background: #f2f7f5;
  border: 1px solid #dce9e5;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(16, 71, 60, 0.12);
  display: flex;
  flex: 0 0 120px;
  height: 84px;
  justify-content: center;
  overflow: hidden;
  padding: 4px;
  width: 120px;
}

.course-card .course-card-cover img {
  display: block;
  height: 100%;
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.25s ease;
  width: 100%;
}

.course-card:hover .course-card-cover img {
  transform: scale(1.02);
}

/* Public course details */
.course-hero .course-hero-cover {
  background: rgba(255, 255, 255, 0.96);
  border-radius: 16px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.2);
  margin: 0 auto 24px;
  max-width: 860px;
  overflow: hidden;
  padding: 8px;
  position: relative;
  width: 100%;
  z-index: 1;
}

.course-hero .course-hero-cover img {
  border-radius: 10px;
  display: block;
  height: auto;
  margin: 0 auto;
  max-height: 520px;
  max-width: 100%;
  object-fit: contain;
  object-position: center;
  width: auto;
}

/* Admin course pages */
.admin-course-page {
  max-width: 100%;
  overflow-x: hidden;
}

.admin-course-page .admin-wrap,
.admin-course-page .admin-main,
.admin-course-page .admin-content,
.admin-course-page .form-card,
.admin-course-page .form-card-body {
  max-width: 100%;
  min-width: 0;
}

.admin-course-page .course-cover-uploader {
  align-items: center;
  background: linear-gradient(135deg, #f8fbfa, #eef6f3);
  border: 1px dashed #b7d3ca;
  border-radius: 14px;
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(180px, 220px) minmax(0, 1fr);
  margin-bottom: 20px;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
  padding: 18px;
  width: 100%;
}

.admin-course-page .course-cover-preview {
  align-items: center;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
  border-radius: 12px;
  box-shadow: 0 10px 24px rgba(16, 71, 60, 0.18);
  display: flex;
  justify-content: center;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
  padding: 5px;
  width: 100%;
}

.admin-course-page .course-cover-preview img {
  border-radius: 8px;
  display: block;
  height: 100%;
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  object-position: center;
  width: 100%;
}

.admin-course-page .course-cover-placeholder {
  align-items: center;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  gap: 4px;
  height: 100%;
  justify-content: center;
  min-height: 135px;
  text-align: center;
  width: 100%;
}

.admin-course-page .course-cover-placeholder span {
  font-size: 2rem;
}

.admin-course-page .course-cover-placeholder small {
  opacity: 0.78;
}

.admin-course-page .course-cover-fields {
  max-width: 100%;
  min-width: 0;
}

.admin-course-page .course-cover-fields p,
.admin-course-page .course-cover-fields small {
  color: var(--text-muted);
  display: block;
  font-size: 0.78rem;
  line-height: 1.8;
  margin: 6px 0;
  overflow-wrap: anywhere;
}

.admin-course-page .course-cover-fields input[type="file"] {
  height: 1px;
  opacity: 0;
  overflow: hidden;
  position: absolute;
  width: 1px;
}

.admin-course-page .course-cover-button {
  align-items: center;
  background: var(--primary);
  border-radius: 9px;
  color: #ffffff !important;
  cursor: pointer;
  display: inline-flex !important;
  font-size: 0.82rem;
  justify-content: center;
  margin-top: 8px;
  padding: 9px 18px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.admin-course-page .course-cover-button:hover {
  box-shadow: 0 6px 14px rgba(16, 71, 60, 0.2);
  transform: translateY(-1px);
}

/* Admin list and details */
.admin-course-page .admin-course-cover {
  align-items: center;
  background: #f2f7f5;
  border: 1px solid #dce9e5;
  border-radius: 8px;
  display: flex;
  height: 48px;
  justify-content: center;
  overflow: hidden;
  padding: 2px;
  width: 68px;
}

.admin-course-page .admin-course-cover img {
  display: block;
  height: 100%;
  object-fit: contain;
  object-position: center;
  width: 100%;
}

.admin-course-page .course-edit-btn {
  background: #fff4d7;
  border: 1px solid #f0d58d;
  color: #936600;
  text-decoration: none;
}

.admin-course-page .course-edit-btn:hover {
  background: #ffe9ae;
}

.admin-course-page .admin-course-banner-cover {
  align-items: center;
  background: rgba(255, 255, 255, 0.96);
  border-radius: 13px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
  display: flex;
  height: 148px;
  justify-content: center;
  overflow: hidden;
  padding: 5px;
  width: 210px;
}

.admin-course-page .admin-course-banner-cover img {
  display: block;
  height: 100%;
  object-fit: contain;
  object-position: center;
  width: 100%;
}

.admin-course-page .admin-course-banner-edit {
  background: rgba(255, 255, 255, 0.16);
  border-radius: 7px;
  color: #ffffff;
  display: inline-flex;
  font-size: 0.76rem;
  font-weight: 700;
  margin-top: 10px;
  padding: 6px 12px;
  text-decoration: none;
}

.admin-course-page .admin-course-banner-edit:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Tablet */
@media (max-width: 768px) {
  .admin-course-page .admin-sidebar {
    bottom: 0;
    right: 0;
    top: 0;
    transform: translateX(100%);
  }

  .admin-course-page .admin-sidebar.open {
    transform: translateX(0);
  }

  .admin-course-page .course-cover-uploader {
    gap: 16px;
    grid-template-columns: 1fr;
    padding: 14px;
  }

  .admin-course-page .course-cover-preview {
    margin: 0 auto;
    max-width: 460px;
  }

  .admin-course-page .admin-course-banner-cover {
    height: auto;
    max-width: 380px;
    width: 100%;
  }
}

/* Mobile */
@media (max-width: 520px) {
  .home-course-card {
    align-items: center;
    gap: 7px;
    padding: 9px;
  }

  .home-course-card .hcc-right {
    gap: 8px;
  }

  .home-course-card .hcc-cover {
    flex-basis: 66px;
    height: 58px;
    padding: 2px;
    width: 66px;
  }

  .home-course-card .hcc-title {
    font-size: 0.78rem;
    white-space: normal;
  }

  .home-course-card .hcc-meta {
    font-size: 0.64rem;
    gap: 5px;
  }

  .home-course-card .hcc-badge {
    font-size: 0.62rem;
    padding: 3px 7px;
  }

  .course-card .course-card-cover {
    flex-basis: 82px;
    height: 64px;
    padding: 3px;
    width: 82px;
  }

  .course-hero .course-hero-cover {
    border-radius: 12px;
    margin-bottom: 18px;
    padding: 5px;
  }

  .course-hero .course-hero-cover img {
    border-radius: 8px;
    max-height: 360px;
    width: 100%;
  }

  .admin-course-page .admin-content {
    overflow-x: hidden;
    padding: 10px;
    width: 100%;
  }

  .admin-course-page .form-card {
    border-radius: 8px;
    width: 100%;
  }

  .admin-course-page .form-card-body {
    padding: 12px;
    width: 100%;
  }

  .admin-course-page .course-cover-uploader {
    border-radius: 10px;
    gap: 13px;
    padding: 10px;
  }

  .admin-course-page .course-cover-preview {
    aspect-ratio: 16 / 10;
    border-radius: 9px;
    padding: 3px;
  }

  .admin-course-page .course-cover-placeholder {
    min-height: 125px;
  }

  .admin-course-page .course-cover-fields {
    text-align: right;
  }
}