:root {
  --bg-page: #f1f3f5;
  --bg-surface: #ffffff;
  --bg-subtle: #f8f9fa;
  --border-line: #dee2e6;
  --border-strong: #18181b;
  --text-primary: #18181b;
  --text-secondary: #6c757d;
  --accent-main: #18181b;
  --accent-sub: #3b5bdb;
  --radius-box: 10px;
  --radius-sm: 6px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  background-color: var(--bg-page);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  letter-spacing: -0.01em;
}

/* 헤더 */
.studio-header {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: var(--bg-surface);
  border-bottom: 1.5px solid var(--border-line);
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand-title {
  display: flex;
  align-items: center;
  gap: 9px;
}

.brand-title h1 {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.header-controls {
  display: flex;
  gap: 8px;
}

.ctrl-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  padding: 0 13px;
  background: var(--bg-surface);
  border: 1.5px solid var(--border-line);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.12s ease;
}

.ctrl-btn:hover {
  border-color: var(--border-strong);
  background: var(--bg-subtle);
}

/* 메인 레이아웃 */
.studio-workspace {
  display: grid;
  grid-template-columns: 460px 1fr;
  gap: 20px;
  max-width: 1360px;
  width: 100%;
  margin: 0 auto;
  padding: 20px 24px 36px;
  align-items: start;
}

/* 좌측 3D 뷰포트 컬럼 */
.viewport-column {
  position: sticky;
  top: 76px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.viewport-box {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: #f8f9fa;
  background-image:
    linear-gradient(to right, rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  border: 1.5px solid var(--border-line);
  border-radius: var(--radius-box);
  overflow: hidden;
}

#stageCanvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  touch-action: none;
}

#stageCanvas:active {
  cursor: grabbing;
}

.viewport-toolbar {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  gap: 6px;
  z-index: 10;
}

.vp-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 30px;
  padding: 0 10px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sm);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.12s ease;
}

.vp-btn:hover {
  border-color: var(--border-strong);
}

.vp-btn.active-dance {
  background: var(--accent-main);
  color: #ffffff;
  border-color: var(--accent-main);
}

.viewport-hint {
  position: absolute;
  bottom: 10px;
  left: 14px;
  font-size: 0.74rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.82);
  padding: 3px 8px;
  border-radius: 4px;
  pointer-events: none;
}

/* 다운로드 버튼 영역 */
.export-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.export-card {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 13px 14px;
  border-radius: var(--radius-box);
  border: 1.5px solid transparent;
  cursor: pointer;
  text-align: left;
  transition: all 0.14s ease;
}

.export-card.primary {
  background: var(--accent-main);
  color: #ffffff;
}

.export-card.primary:hover {
  background: #27272a;
}

.export-card.secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-line);
}

.export-card.secondary:hover {
  border-color: var(--border-strong);
  background: var(--bg-subtle);
}

.export-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.export-info {
  display: flex;
  flex-direction: column;
}

.export-info strong {
  font-size: 0.84rem;
  font-weight: 800;
}

.export-info small {
  font-size: 0.71rem;
  opacity: 0.75;
  margin-top: 2px;
}

/* 우측 에디터 컬럼 */
.editor-column {
  background: var(--bg-surface);
  border: 1.5px solid var(--border-line);
  border-radius: var(--radius-box);
  overflow: hidden;
}

.editor-nav {
  display: flex;
  overflow-x: auto;
  border-bottom: 1.5px solid var(--border-line);
  background: var(--bg-subtle);
}

.nav-tab {
  flex: 1;
  min-width: max-content;
  padding: 13px 16px;
  border: none;
  border-bottom: 2.5px solid transparent;
  background: transparent;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.12s ease;
}

.nav-tab:hover {
  color: var(--text-primary);
  background: rgba(0, 0, 0, 0.02);
}

.nav-tab.active {
  color: var(--text-primary);
  background: var(--bg-surface);
  border-bottom-color: var(--border-strong);
  font-weight: 800;
}

.editor-body {
  padding: 20px;
}

.tab-pane {
  display: none;
  flex-direction: column;
  gap: 18px;
}

.tab-pane.active {
  display: flex;
}

.section-block {
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sm);
  padding: 16px;
  background: var(--bg-surface);
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 8px;
}

.section-head h2 {
  font-size: 0.94rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 6px;
}

.count-tag {
  font-size: 0.7rem;
  font-weight: 800;
  background: var(--bg-subtle);
  border: 1px solid var(--border-line);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--text-secondary);
}

.section-desc {
  font-size: 0.76rem;
  color: var(--text-secondary);
}

/* 벡터 캔버스 썸네일 그리드 */
.thumb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 8px;
}

.part-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 6px;
  background: var(--bg-surface);
  border: 1.5px solid var(--border-line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.12s ease;
}

.part-card:hover {
  border-color: #adb5bd;
  background: var(--bg-subtle);
}

.part-card.active {
  border-color: var(--border-strong);
  background: #f4f4f5;
  box-shadow: inset 0 0 0 1px var(--border-strong);
}

.part-card canvas.thumb-canvas {
  width: 68px;
  height: 52px;
  display: block;
}

.part-card .part-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
}

/* 텍스트 칩 리스트 */
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip-btn {
  padding: 7px 13px;
  background: var(--bg-surface);
  border: 1.5px solid var(--border-line);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.12s ease;
}

.chip-btn:hover {
  border-color: #adb5bd;
}

.chip-btn.active {
  background: var(--accent-main);
  border-color: var(--accent-main);
  color: #ffffff;
}

/* 컬러 스와치 */
.swatch-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.color-swatch {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1.5px solid rgba(0, 0, 0, 0.18);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.color-swatch:hover {
  transform: scale(1.1);
}

.color-box {
  width: 36px;
  height: 28px;
  border: 1.5px solid var(--border-line);
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
  padding: 1px;
}

.inline-pickers {
  display: flex;
  gap: 12px;
  font-size: 0.8rem;
  font-weight: 700;
}

.inline-pickers label {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* 체크박스 & 슬라이더 */
.option-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.83rem;
  font-weight: 700;
}

.check-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.check-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent-main);
  cursor: pointer;
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.slider-item {
  display: grid;
  grid-template-columns: 110px 1fr 48px;
  align-items: center;
  gap: 10px;
  font-size: 0.81rem;
  font-weight: 700;
}

.slider-item input[type="range"] {
  width: 100%;
  accent-color: var(--accent-main);
  cursor: pointer;
}

.slider-item span {
  text-align: right;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

/* 모션 드롭존 */
.motion-dropzone {
  border: 1.5px dashed #adb5bd;
  background: var(--bg-subtle);
  border-radius: var(--radius-sm);
  padding: 22px 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.12s ease;
  color: var(--text-primary);
}

.motion-dropzone:hover,
.motion-dropzone.dragover {
  border-color: var(--border-strong);
  background: #eceef1;
}

.motion-dropzone p {
  font-size: 0.88rem;
  margin-bottom: 4px;
}

.motion-dropzone small {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.record-btn {
  width: 100%;
  padding: 11px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-weight: 800;
  font-size: 0.85rem;
  cursor: pointer;
  margin-bottom: 12px;
  transition: all 0.12s ease;
}

.record-btn:hover {
  background: var(--accent-main);
  color: #ffffff;
}

.info-note {
  background: var(--bg-subtle);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.79rem;
  line-height: 1.6;
}

.info-note ul {
  padding-left: 16px;
  margin-top: 4px;
}

.info-note code {
  background: #e9ecef;
  padding: 1px 4px;
  border-radius: 3px;
  font-weight: 700;
}

/* 로딩 오버레이 */
.busy-overlay {
  position: absolute;
  inset: 0;
  background: rgba(24, 24, 27, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 30;
}

.busy-overlay[hidden] {
  display: none !important;
}

.busy-card {
  background: #ffffff;
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 800;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid #e4e4e7;
  border-top-color: var(--accent-main);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 900px) {
  .studio-workspace {
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .viewport-column {
    position: relative;
    top: 0;
  }

  .viewport-box {
    max-height: 400px;
  }
}

/* 다중 점 커스텀 리스트 스타일 */
.mole-action-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.mole-list-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mole-empty-msg {
  font-size: 0.78rem;
  color: var(--text-muted);
  padding: 10px 12px;
  border: 1px dashed var(--border-line);
  border-radius: var(--radius-xs);
  background: var(--bg-subtle);
  text-align: center;
}

.mole-item-card {
  border: 1px solid var(--border-line);
  border-radius: var(--radius-xs);
  background: var(--bg-subtle);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mole-item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  font-weight: 800;
}

.mole-remove-btn {
  padding: 3px 8px;
  font-size: 0.74rem;
  font-weight: 700;
  border: 1px solid var(--border-line);
  border-radius: 4px;
  background: #ffffff;
  color: var(--text-main);
  cursor: pointer;
}

.mole-remove-btn:hover {
  background: var(--accent-main);
  color: #ffffff;
  border-color: var(--accent-main);
}

/* 헤더 스튜디오 토글 & 뷰포트 배지 */
.studio-toggle-btn.active {
  background: var(--accent-main);
  color: #ffffff;
  border-color: var(--accent-main);
}

.studio-stage-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 12;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  background: rgba(24, 24, 27, 0.88);
  color: #ffffff;
  border-radius: var(--radius-sm);
  font-size: 0.76rem;
  font-weight: 800;
}

.studio-stage-badge[hidden] {
  display: none !important;
}

.badge-close-btn {
  padding: 2px 7px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 4px;
  background: transparent;
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 700;
  cursor: pointer;
}

.badge-close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* 투명 배경 체커보드 프리뷰 */
.viewport-box.bg-transparent {
  background-color: #ffffff;
  background-image:
    linear-gradient(45deg, #e9ecef 25%, transparent 25%),
    linear-gradient(-45deg, #e9ecef 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e9ecef 75%),
    linear-gradient(-45deg, transparent 75%, #e9ecef 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
}

.viewport-box.bg-solid {
  background-image: none;
}

/* 맞춤 녹화 설정 (GIF / WebM / 배경 / 시간) */
.record-config-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.record-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.record-label {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--text-primary);
}

.duration-control {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
}

.duration-control input[type="range"] {
  width: 100%;
  accent-color: var(--accent-main);
  cursor: pointer;
}

.duration-num-wrap {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.82rem;
  font-weight: 800;
}

.duration-num-wrap input[type="number"] {
  width: 62px;
  height: 30px;
  padding: 0 6px;
  border: 1.5px solid var(--border-line);
  border-radius: 4px;
  font-size: 0.82rem;
  font-weight: 800;
  text-align: right;
}

.bg-color-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

/* 스튜디오 모드 다중 캐릭터 관리 UI */
.studio-add-bar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 8px;
}

@media (max-width: 680px) {
  .studio-add-bar {
    grid-template-columns: 1fr;
  }
}

.studio-action-btn {
  padding: 10px 12px;
  border: 1.5px solid var(--border-line);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 0.81rem;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.12s ease;
}

.studio-action-btn:hover {
  border-color: var(--border-strong);
  background: var(--bg-subtle);
}

.studio-action-btn.primary {
  background: var(--accent-main);
  border-color: var(--accent-main);
  color: #ffffff;
}

.studio-action-btn.primary:hover {
  background: #27272a;
}

.studio-formation-bar {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.formation-label {
  font-size: 0.79rem;
  font-weight: 800;
  color: var(--text-secondary);
}

.studio-actor-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.studio-actor-card {
  border: 1.5px solid var(--border-line);
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.studio-actor-card.editing-target {
  border-color: var(--border-strong);
  background: #ffffff;
  box-shadow: inset 0 0 0 1px var(--border-strong);
}

.studio-actor-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.studio-actor-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  font-weight: 800;
}

.actor-color-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1.5px solid rgba(0, 0, 0, 0.25);
  display: inline-block;
}

.actor-badge {
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--accent-main);
  color: #ffffff;
}

.studio-actor-btns {
  display: flex;
  align-items: center;
  gap: 6px;
}

.actor-mini-btn {
  padding: 4px 9px;
  font-size: 0.75rem;
  font-weight: 700;
  border: 1px solid var(--border-line);
  border-radius: 4px;
  background: #ffffff;
  color: var(--text-primary);
  cursor: pointer;
}

.actor-mini-btn:hover {
  border-color: var(--border-strong);
  background: var(--bg-subtle);
}

.actor-mini-btn.danger:hover {
  background: var(--accent-main);
  color: #ffffff;
  border-color: var(--accent-main);
}

.actor-motion-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.79rem;
  font-weight: 700;
}

.actor-motion-select {
  flex: 1;
  max-width: 240px;
  height: 30px;
  padding: 0 8px;
  border: 1.5px solid var(--border-line);
  border-radius: 4px;
  background: #ffffff;
  font-size: 0.79rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* 캐릭터 이름 지정 바 */
.character-name-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-surface);
  border: 1.5px solid var(--border-line);
  border-radius: var(--radius-md);
}

.character-name-label {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--text-primary);
  white-space: nowrap;
}

.character-name-input {
  flex: 1;
  height: 32px;
  padding: 0 10px;
  border: 1.5px solid var(--border-line);
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: border-color 0.14s ease, background-color 0.14s ease;
}

.character-name-input:focus {
  outline: none;
  border-color: var(--border-strong);
  background: #ffffff;
}

/* 슬라이더 터치 친화적 스타일 */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 26px;
  background: transparent;
  touch-action: pan-y;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 6px;
  background: #e4e4e7;
  border-radius: 3px;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  margin-top: -7px;
  background: var(--accent-main);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  border: 2px solid #ffffff;
}

input[type="range"]::-moz-range-track {
  height: 6px;
  background: #e4e4e7;
  border-radius: 3px;
}

input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--accent-main);
  border-radius: 50%;
  border: 2px solid #ffffff;
  cursor: pointer;
}

/* 스튜디오 액터 카드 내 인라인 이름 입력 */
.actor-name-input {
  width: 120px;
  height: 26px;
  padding: 0 7px;
  border: 1.5px solid var(--border-line);
  border-radius: 4px;
  background: #ffffff;
  font-size: 0.81rem;
  font-weight: 800;
  color: var(--text-primary);
}

.actor-name-input:focus {
  outline: none;
  border-color: var(--border-strong);
}

/* 스튜디오 모드 비활성화 시 컨트롤 잠금 */
.studio-inactive-notice {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1.5px dashed var(--border-line);
  background: var(--bg-subtle);
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1.45;
}

.studio-controls-wrap.studio-locked {
  opacity: 0.46;
  pointer-events: none;
  user-select: none;
  filter: grayscale(0.25);
}

.studio-actor-card.studio-disabled {
  opacity: 0.5;
  pointer-events: none;
  user-select: none;
}

/* 데스크탑 / 모바일 버튼 라벨 토글 */
.label-short {
  display: none;
}

.label-full {
  display: inline;
}

/* 모바일 전용 반응형 레이아웃 및 UI 개선 */
@media (max-width: 768px) {
  .label-full {
    display: none;
  }
  .label-short {
    display: inline;
  }

  .studio-header {
    padding: 0 10px;
    height: 50px;
    gap: 6px;
  }

  .brand-title h1 {
    font-size: 1.05rem;
  }

  .header-controls {
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    gap: 4px;
    padding: 2px 0;
  }

  .header-controls::-webkit-scrollbar {
    display: none;
  }

  .ctrl-btn {
    height: 30px;
    padding: 0 7px;
    font-size: 0.74rem;
    gap: 3px;
    flex-shrink: 0;
  }

  .studio-workspace {
    grid-template-columns: 1fr;
    padding: 8px 10px 32px;
    gap: 12px;
  }

  .viewport-column {
    position: relative;
    top: 0;
    gap: 8px;
  }

  .viewport-box {
    max-height: 330px;
    max-width: 380px;
    margin: 0 auto;
    width: 100%;
  }

  .viewport-toolbar {
    top: 8px;
    right: 8px;
    gap: 4px;
  }

  .vp-btn {
    height: 28px;
    padding: 0 7px;
    font-size: 0.72rem;
  }

  .viewport-hint {
    font-size: 0.68rem;
    padding: 2px 6px;
    left: 8px;
    bottom: 6px;
  }

  .export-actions {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .export-card {
    padding: 10px 12px;
  }

  .character-name-bar {
    padding: 8px 10px;
    gap: 8px;
  }

  .character-name-label {
    font-size: 0.78rem;
  }

  .character-name-input {
    height: 30px;
    font-size: 0.79rem;
  }

  .editor-nav {
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    display: flex;
    -webkit-tap-highlight-color: transparent;
  }

  .editor-nav::-webkit-scrollbar {
    display: none;
  }

  .nav-tab {
    padding: 10px 12px;
    font-size: 0.8rem;
    flex-shrink: 0;
  }

  .editor-body {
    padding: 12px 10px;
  }

  .section-block {
    padding: 12px 10px;
    margin-bottom: 10px;
  }

  .section-head h2 {
    font-size: 0.88rem;
  }

  .thumb-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }

  .part-card {
    padding: 6px 2px;
    min-height: 68px;
  }

  .part-card canvas.thumb-canvas {
    max-width: 60px;
  }

  .part-card .part-title {
    font-size: 0.73rem;
  }

  .chip-btn {
    padding: 6px 10px;
    font-size: 0.76rem;
    min-height: 32px;
  }

  .color-swatch {
    width: 32px;
    height: 32px;
  }

  .slider-item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 4px;
  }

  .slider-item input[type="range"] {
    width: 100%;
    flex: 1 1 100%;
    order: 3;
    margin-top: 2px;
  }

  .actor-motion-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .actor-motion-row > div {
    width: 100%;
  }

  .actor-motion-select {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .thumb-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
  }

  .part-card .part-title {
    font-size: 0.7rem;
  }

  .viewport-box {
    max-height: 290px;
  }
}

/* 모바일 친화적 미디어 저장 모달 */
.media-result-modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 17, 21, 0.72);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}

.media-result-modal[hidden] {
  display: none !important;
}

.media-result-card {
  background: #ffffff;
  width: 100%;
  max-width: 440px;
  border-radius: var(--radius);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalPop 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.media-result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.media-result-header h3 {
  font-size: 1rem;
  font-weight: 800;
  margin: 0;
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 1.2rem;
  line-height: 1;
  color: var(--text-sub);
  cursor: pointer;
  padding: 4px;
}

.media-result-preview-box {
  background: repeating-conic-gradient(#f4f4f5 0% 25%, #ffffff 0% 50%) 50% / 16px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  max-height: 340px;
  overflow: hidden;
  padding: 12px;
}

.media-result-preview-box img {
  max-width: 100%;
  max-height: 316px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.media-result-hint {
  margin: 0;
  padding: 10px 18px;
  font-size: 0.82rem;
  color: var(--text-sub);
  background: #fafafa;
  border-bottom: 1px solid var(--border);
  text-align: center;
  line-height: 1.4;
}

.media-result-hint strong {
  color: #18181b;
  font-weight: 800;
}

.media-result-actions {
  display: flex;
  gap: 10px;
  padding: 14px 18px;
}

.media-result-actions button {
  flex: 1;
  height: 42px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.btn-media-share {
  background: #18181b;
  color: #ffffff;
  border: none;
}
.btn-media-share:hover {
  background: #27272a;
}

.btn-media-download {
  background: #f4f4f5;
  color: #18181b;
  border: 1px solid var(--border);
}
.btn-media-download:hover {
  background: #e4e4e7;
}