.studio-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}
.studio-tabs a {
  padding: 10px 14px;
  color: var(--ink);
  border-radius: 30px;
  text-decoration: none;
  border: 1px solid transparent;
  font-size: 14px;
}
.studio-tabs a[aria-current] {
  background: var(--pink, #fa4dd4);
  color: #180d23;
  border-color: #fa4dd4;
  font-weight: 700;
}
.studio-section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin: 24px 0;
}
.studio-section-head h2 {
  font-size: clamp(23px, 3vw, 34px);
  letter-spacing: -1px;
}
.studio-section-head p {
  margin-top: 8px;
  color: var(--muted);
}
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
  margin: 22px 0;
}
.media-card {
  overflow: hidden;
  padding: 0;
  display: flex;
  flex-direction: column;
}
.media-art {
  min-height: 126px;
  background: linear-gradient(140deg, #352071, #171325);
  display: grid;
  place-items: center;
  color: #8cfc79;
  font-size: 44px;
  position: relative;
}
.media-art .media-kind {
  position: absolute;
  bottom: 10px;
  left: 12px;
  font-size: 10px;
  letter-spacing: 1.4px;
  color: #fff;
  text-transform: uppercase;
}
.media-card .media-body {
  padding: 18px;
  display: grid;
  gap: 10px;
  flex: 1;
}
.media-body h3 {
  font-size: 16px;
  overflow-wrap: anywhere;
}
.media-body p {
  font-size: 12px;
  color: var(--muted);
}
.media-body .btn {
  margin-top: auto;
}
.studio-filter {
  max-width: 420px;
  margin: 20px 0;
}
.upload-label {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.upload-label input {
  position: absolute;
  inset: 0;
  opacity: 0;
  width: 100%;
  cursor: pointer;
}
.upload-label:focus-within {
  outline: 3px solid #8cfc79;
  outline-offset: 3px;
}
.check {
  display: flex !important;
  align-items: center;
  gap: 10px !important;
  margin: 15px 0;
}
.check input {
  width: auto !important;
}
.editor-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 1fr);
  gap: 24px;
  margin-top: 24px;
}
.editor-layout > * {
  min-width: 0;
}
.studio-preview {
  aspect-ratio: 16/9;
  background: #08060e;
  border: 1px solid #493862;
  border-radius: 16px;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #e6d8f0;
  text-align: center;
}
.studio-preview video,
.studio-preview img,
.studio-preview canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
  max-height: 70vh;
}
.studio-preview audio {
  max-width: 90%;
}
.studio-preview p {
  padding: 20px;
}
.timeline {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 18px 0;
}
.timeline-clip {
  padding: 14px;
  border: 1px solid var(--line);
  border-left: 4px solid #fa4dd4;
  border-radius: 12px;
  background: var(--panel);
  display: grid;
  gap: 8px;
}
.timeline-clip header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
.timeline-clip .trim-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 10px;
  align-items: end;
}
.trim-row input {
  min-width: 0;
}
.clip-controls {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}
.clip-controls button {
  font-size: 12px;
  padding: 5px 9px;
}
.generation-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
}
.generation-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
  background: linear-gradient(140deg, #3d22a622, #fa4dd418);
}
.studio-spark {
  font-size: 88px;
  color: #fa4dd4;
  line-height: 1;
}
.lesson-row {
  padding: 18px;
  margin: 14px 0;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.job-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 20px;
  margin: 12px 0;
  overflow-wrap: anywhere;
}
.job-row p {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
}
.job-state {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.job-state.completed {
  color: var(--green, #8cfc79);
}
.job-state.failed {
  color: var(--pink, #fa4dd4);
}
.caption-lines {
  max-height: 260px;
  overflow: auto;
  white-space: pre-wrap;
  font-size: 13px;
  padding: 15px;
  margin: 15px 0;
}
.actions select {
  flex: 1;
  min-width: 150px;
  width: auto;
}
#record-canvas {
  object-fit: contain;
}
#asset-dialog {
  width: 850px;
  max-width: calc(100vw - 24px);
}
#upload-progress {
  width: 100%;
  accent-color: #fa4dd4;
}
section[data-section] {
  scroll-margin-top: 100px;
}
#edit-state,
#course-state,
#generate-state {
  margin-top: 14px;
}
.learner-shell {
  max-width: 1100px;
  margin: auto;
  padding: 30px 24px;
}
.lesson-navigation {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0;
}
.course-notes {
  white-space: pre-wrap;
  margin: 24px 0;
  line-height: 1.7;
}
.studio-empty {
  grid-column: 1/-1;
  padding: 50px 25px;
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: 16px;
}
.studio-empty h3 {
  margin-bottom: 10px;
}
@media (max-width: 1000px) {
  .editor-layout {
    grid-template-columns: 1fr;
  }
  .generation-layout {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 600px) {
  .studio-tabs {
    gap: 4px;
  }
  .studio-tabs a {
    padding: 9px 11px;
    font-size: 12px;
  }
  .studio-section-head {
    align-items: flex-start;
    flex-direction: column;
  }
  .media-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .media-body {
    padding: 12px !important;
  }
  .media-art {
    min-height: 100px;
  }
  .job-row {
    align-items: flex-start;
    flex-direction: column;
  }
  .trim-row {
    grid-template-columns: 1fr 1fr !important;
  }
  .studio-tabs {
    position: static;
  }
  .content {
    padding-bottom: 150px;
  }
}

.studio-preview {
  position: relative;
}
.studio-preview > video,
.studio-preview > img,
.studio-preview > canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: contain;
}
.trim-workspace {
  padding: 16px;
  margin: 16px 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  min-width: 0;
  overflow: hidden;
  background: rgba(111, 77, 210, 0.07);
}
.trim-workspace > strong {
  display: block;
  overflow-wrap: anywhere;
  margin-bottom: 12px;
}
#clip-waveform {
  min-width: 0;
  color: var(--muted);
}
#clip-waveform ::part(region-handle) {
  min-width: 12px;
  background: rgba(255, 80, 206, 0.6);
  border-radius: 4px;
}
.trim-workspace .actions {
  align-items: center;
  margin-top: 14px;
}
.trim-workspace .actions label {
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 0;
  font-size: 12px;
}
.trim-workspace input[type="range"] {
  width: 110px;
  accent-color: #ff50ce;
}

#edit-preview {
  scroll-margin-top: 100px;
}
/* Course discussions use plain text so user posts cannot introduce markup. */
.course-community { margin-top: 2rem; }
.community-post { padding: 1.25rem 0; border-top: 1px solid var(--line, #ffffff26); overflow-wrap: anywhere; }
.community-post p { white-space: pre-wrap; }
.community-post small { opacity: .75; }
.community-post[data-reply="true"] { padding-left: 1rem; border-left: 2px solid var(--line, #ffffff26); }
#community-form { display: grid; gap: .75rem; margin: 1.25rem 0; }
#community-posts { margin-top: 1rem; }