.studio-page {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  gap: 12px;
  --studio-footer-reserve: 168px;
  padding-bottom: calc(var(--studio-footer-reserve) + env(safe-area-inset-bottom, 0px));
  scroll-padding-bottom: calc(var(--studio-footer-reserve) + env(safe-area-inset-bottom, 0px));
}

.studio-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
}

.studio-header h1 {
  margin: 0;
  font-size: clamp(1.05rem, 4.5vw, 1.35rem);
  line-height: 1.2;
}

.studio-header-main {
  min-width: 0;
}

.studio-settings-btn {
  min-width: 44px;
  min-height: 44px;
  font-size: 1.25rem;
}

.studio-busy {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 48px 16px;
}

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

.studio-section {
  padding: 14px;
}

.studio-section .eyebrow {
  display: block;
  margin-bottom: 8px;
  font-size: 0.72rem;
}

.studio-state-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.studio-state-btn {
  min-height: 48px;
  border: 2px solid var(--studio-border-strong, #d1d5db);
  border-radius: var(--studio-radius-md, 12px);
  background: #fff;
  font-weight: 600;
  cursor: pointer;
}

.studio-state-btn.is-active {
  border-color: var(--studio-accent, #0f766e);
  background: var(--studio-accent-soft, #ecfdf5);
  color: var(--studio-accent-deep, #134e4a);
}

.studio-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.studio-badge-chip {
  min-height: 44px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--studio-border-strong, #d1d5db);
  background: #fff;
  font-size: 0.875rem;
}

.studio-badge-chip.is-active {
  border-color: var(--studio-accent, #0f766e);
  background: var(--studio-accent-soft, #ecfdf5);
  font-weight: 600;
}

.studio-price-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

.studio-price-row input {
  font-size: 1.125rem;
  font-weight: 600;
  min-height: 48px;
}

.studio-category-label {
  display: grid;
  gap: 6px;
}

.studio-category-label > span {
  font-size: 0.8rem;
}

.studio-category-select {
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--studio-border-strong, #d1d5db);
  border-radius: var(--studio-radius-sm, 8px);
  background: #fff;
  font-size: 1rem;
}

.studio-category-warn {
  margin: 8px 0 0;
  font-size: 0.85rem;
  color: #b91c1c;
  font-weight: 500;
}

.studio-category-hint {
  margin: 8px 0 0;
  font-size: 0.8rem;
}

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

.studio-images-counter {
  font-weight: 600;
  font-size: 0.875rem;
}

.studio-images-counter.is-warn {
  color: #b45309;
}

.studio-images-counter.is-error {
  color: #b91c1c;
}

.studio-images-actions {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 0;
  background: linear-gradient(180deg, var(--studio-surface, #fff) 85%, transparent);
}

.studio-images-actions button {
  min-height: 44px;
  padding: 0 12px;
}

.studio-images-actions button.is-collage-mode {
  border-color: #7c3aed;
  color: #5b21b6;
  background: #f5f3ff;
}

.studio-filmstrip {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.studio-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.studio-thumb-wrap {
  position: relative;
  flex: 0 0 120px;
  width: 120px;
  scroll-snap-align: start;
}

.studio-grid .studio-thumb-wrap {
  width: 100%;
  flex: none;
}

.studio-thumb-btn {
  position: relative;
  width: 100%;
  height: 120px;
  padding: 0;
  border: 3px solid transparent;
  border-radius: 10px;
  overflow: hidden;
  background: #e5e7eb;
  cursor: pointer;
}

.studio-grid .studio-thumb-btn {
  height: auto;
  aspect-ratio: 1;
}

.studio-thumb-wrap.is-selected .studio-thumb-btn {
  border-color: #0d9488;
}

.studio-thumb-wrap.is-collage-pick .studio-thumb-btn {
  border-color: #7c3aed;
  box-shadow: 0 0 0 2px #ddd6fe inset;
}

.studio-thumb-wrap.is-overflow .studio-thumb-btn {
  border-color: #dc2626;
}

.studio-thumb-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.studio-thumb-wrap:not(.is-selected) .studio-thumb-btn img {
  opacity: 0.6;
}

.studio-thumb-order {
  position: absolute;
  top: 4px;
  left: 4px;
  min-width: 22px;
  height: 22px;
  padding: 0 5px;
  border-radius: 999px;
  background: #0d9488;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.studio-thumb-overflow {
  position: absolute;
  bottom: 4px;
  left: 4px;
  right: 4px;
  padding: 2px 4px;
  border-radius: 4px;
  background: rgba(185, 28, 28, 0.92);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 600;
  text-align: center;
}

.studio-thumb-moves {
  position: absolute;
  right: 2px;
  bottom: 2px;
  display: flex;
  gap: 2px;
}

.studio-thumb-moves button {
  min-width: 32px;
  min-height: 32px;
  padding: 0;
  font-size: 0.85rem;
  line-height: 1;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.92);
}

.studio-collage-preview {
  margin-top: 10px;
}

.studio-collage-preview img {
  width: 100%;
  max-width: 280px;
  border-radius: 10px;
  border: 1px solid var(--studio-border-strong, #d1d5db);
}

.studio-collage-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.studio-badge-preview {
  margin-top: 10px;
  max-width: 200px;
}

.studio-badge-preview img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--studio-border-strong, #d1d5db);
}

.studio-custom-labels {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}

.studio-details > summary {
  cursor: pointer;
  font-weight: 600;
  padding: 4px 0;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.studio-ai-preview {
  margin-top: 10px;
  font-size: 0.9rem;
}

.studio-ai-regen {
  margin-bottom: 10px;
  min-height: 44px;
}

.studio-payload-banner {
  margin: 8px 0 0;
  font-size: 0.85rem;
}

.studio-payload-banner.is-warn {
  color: #b45309;
  font-weight: 500;
}

.studio-payload-slots-list {
  margin: 8px 0 0;
  padding-left: 1.35rem;
  line-height: 1.55;
  font-size: 0.85rem;
}

.studio-payload-check {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--studio-border-strong, #d1d5db);
}

.studio-ai-preview h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.studio-ai-html {
  max-height: 220px;
  overflow: auto;
  padding: 10px;
  border: 1px solid var(--studio-border-strong, #d1d5db);
  border-radius: 8px;
  background: #fafaf9;
  font-size: 0.85rem;
}

.studio-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10;
  padding: 10px max(14px, env(safe-area-inset-left)) calc(10px + env(safe-area-inset-bottom, 0px))
    max(14px, env(safe-area-inset-right));
  background: rgba(255, 255, 255, 0.96);
  border-top: 1px solid var(--studio-border-strong, #e5e7eb);
  backdrop-filter: blur(8px);
}

.studio-footer-inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
}

.studio-footer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.studio-footer-validation {
  padding: 8px 10px;
  border-radius: 8px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  font-size: 0.85rem;
  line-height: 1.4;
}

.studio-footer-validation.is-warn {
  background: #fff7ed;
  border-color: #fed7aa;
  color: #9a3412;
}

.studio-save-btn {
  min-height: 48px;
  flex: 1;
  max-width: 280px;
}

.studio-save-btn:disabled {
  opacity: 0.55;
}

.studio-validation-banner {
  padding: 10px 12px;
  border-radius: 8px;
  background: #fff7ed;
  border: 1px solid #fdba74;
  color: #9a3412;
  font-size: 0.875rem;
}

.studio-settings-modal label {
  display: block;
  margin: 12px 0;
}

.studio-settings-modal select {
  width: 100%;
  min-height: 44px;
  margin-top: 4px;
}

.studio-check-label {
  display: flex !important;
  align-items: center;
  gap: 8px;
}

.studio-check-label input {
  width: 20px;
  height: 20px;
}

.studio-save-mode {
  min-height: 44px;
  max-width: 110px;
  padding: 0 8px;
  border: 1px solid var(--studio-border-strong, #d1d5db);
  border-radius: 8px;
  background: #fff;
  font-size: 0.8rem;
}

.studio-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.studio-tag-list .tag-chip {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 6px 12px;
  border: 1px solid #d1d5db;
  border-radius: 999px;
  background: #fff;
  font-size: 0.8rem;
  cursor: pointer;
}

.studio-tag-list .tag-chip.is-selected {
  background: var(--studio-accent-soft, #ecfdf5);
  border-color: var(--studio-accent, #0f766e);
  color: var(--studio-accent-deep, #134e4a);
  font-weight: 600;
}

.studio-tag-list .tag-chip.tag-chip-bl-sync.is-selected {
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.35);
}

.studio-tag-list .tag-chip.tag-chip-bl-warn.is-selected {
  border-color: #d97706;
  background: #fff7ed;
  color: #9a3412;
}

.studio-tag-add-row {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.studio-tag-add-row input {
  flex: 1;
  min-height: 44px;
}

.studio-thumb-preview {
  position: absolute;
  right: 4px;
  bottom: 4px;
  z-index: 2;
  min-width: 28px;
  min-height: 28px;
  padding: 0 6px;
  border: 0;
  border-radius: 6px;
  background: rgba(15, 23, 42, 0.72);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
}

.studio-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.92);
}

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

.studio-lightbox img {
  max-width: min(96vw, 900px);
  max-height: 82vh;
  object-fit: contain;
}

.studio-lightbox-close {
  position: absolute;
  top: max(12px, env(safe-area-inset-top));
  right: max(12px, env(safe-area-inset-right));
  z-index: 2;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}

.studio-lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 44px;
  height: 56px;
  border: 0;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 1.8rem;
  cursor: pointer;
}

#studio-lightbox-prev {
  left: max(8px, env(safe-area-inset-left));
}

#studio-lightbox-next {
  right: max(8px, env(safe-area-inset-right));
}

.studio-lightbox-counter {
  position: absolute;
  bottom: max(16px, env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9rem;
}

.studio-legacy-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.875rem;
}

@media (min-width: 769px) {
  .studio-page {
    max-width: 640px;
    margin: 0 auto;
  }
}