#teacherContentDialog {
  width: min(1120px, 94vw);
  max-height: 88vh;
  overflow: auto;
  border: 0;
  border-radius: 20px;
  padding: 30px;
  color: #102f59;
}
#teacherContentDialog::backdrop {
  background: rgb(15 33 56 / 55%);
}
#teacherDialogClose {
  background: #edf3ff;
  color: #254b80;
  font-size: 20px;
}
#teacherContentDialog form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 16px 0;
  padding: 20px;
  border: 1px solid #d8e4f4;
  border-radius: 14px;
  background: #f8faff;
}
#teacherContentDialog form[hidden],
#teacherContentDialog [hidden] {
  display: none !important;
}
#teacherContentDialog form h3,
#teacherContentDialog form > p,
#teacherContentDialog form > textarea,
#teacherContentDialog form > button,
#teacherContentDialog form > .span-2 {
  grid-column: 1 / -1;
}
#teacherContentDialog form h3 {
  margin: 0;
}
#teacherContentDialog form label {
  display: grid;
  gap: 7px;
  font-weight: 700;
}
#teacherContentDialog input,
#teacherContentDialog select,
#teacherContentDialog textarea {
  width: 100%;
  box-sizing: border-box;
}
#teacherSectionForm {
  grid-template-columns: 1fr auto !important;
}
#teacherLessonForm {
  grid-template-columns: 1fr 1fr 140px auto !important;
}
#teacherVideoUploadForm {
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto !important;
}
#teacherVideoUploadForm {
  grid-template-columns: minmax(180px, 1fr) minmax(260px, 2fr) auto !important;
}
.background-upload-panel {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 1200;
  width: min(420px, calc(100vw - 32px));
  max-height: 46vh;
  overflow: auto;
  padding: 16px;
  border: 1px solid #cddcf2;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 18px 50px rgb(28 65 116 / 22%);
}
.background-upload-heading,
.background-upload-item > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.background-upload-item {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid #e3eaf5;
}
.background-upload-item progress {
  width: 100%;
  margin-top: 8px;
  accent-color: #3568ec;
}
.background-upload-item[data-status='failed'] span {
  color: #b63c38;
}
.background-upload-item[data-status='complete'] span {
  color: #168766;
}
#teacherTranscriptForm {
  grid-template-columns: 260px 1fr auto !important;
}
#teacherMaterialForm {
  grid-template-columns: 1fr 2fr auto !important;
}
#recordedEditor {
  margin-top: 24px;
  padding-top: 8px;
  border-top: 1px solid #e0e8f4;
}
#recordedEditor > h3 {
  margin-bottom: 4px;
}
.course-content-tree {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}
.course-section-block {
  padding: 16px;
  border: 1px solid #dbe5f3;
  border-radius: 12px;
  background: #fff;
}
.course-section-block h4 {
  margin: 0 0 10px;
}
.course-lesson-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-top: 1px solid #edf1f7;
}
.course-lesson-row span {
  color: #60738e;
  font-size: 13px;
}
#teacherTranscriptForm textarea {
  min-height: 80px;
}
.content-item {
  padding: 10px 12px;
  border-bottom: 1px solid #e2e9f3;
}
.teacher-course > div:last-child {
  display: flex;
  align-items: center;
  gap: 7px;
}
.teacher-course button {
  padding: 7px;
  font-size: 11px;
}
#deliveryHint,
#teacherContentMessage {
  color: #176f57;
}
@media (max-width: 760px) {
  #teacherContentDialog form,
  #teacherSectionForm,
  #teacherLessonForm,
  #teacherVideoUploadForm,
  #teacherTranscriptForm,
  #teacherMaterialForm {
    grid-template-columns: 1fr;
  }

  .background-upload-panel {
    right: 16px;
    bottom: 16px;
  }

  #teacherContentDialog form > * {
    grid-column: 1 !important;
  }
}