/* V1 content studio. The shell mirrors the image studio; tool forms keep their own business layout. */
#toolboxApp[data-app-shell] [data-content-studio-v1] {
  --content-studio-panel: #ffffff;
  --content-studio-panel-muted: #f7f9fc;
  --content-studio-border: #dfe4ec;
  --content-studio-border-strong: #cbd3df;
  --content-studio-text: #171a21;
  --content-studio-muted: #626b7a;
  --content-studio-primary: #315cf6;
  --content-studio-primary-soft: #edf2ff;
  --content-studio-upload: #0f8f6b;
  --content-studio-upload-soft: #ecf9f4;
  width: 100%;
  min-width: 0;
  color: var(--content-studio-text);
}

#toolboxApp[data-app-shell] .tb-page-content:has(> [data-content-studio-v1]) {
  width: 100%;
  max-width: none;
  padding-inline: clamp(16px, 2vw, 28px);
}

#toolboxApp[data-app-shell] [data-content-studio-v1] *,
#toolboxApp[data-app-shell] [data-content-studio-v1] *::before,
#toolboxApp[data-app-shell] [data-content-studio-v1] *::after {
  box-sizing: border-box;
}

#toolboxApp[data-app-shell] .tb-content-studio-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 4px 0 20px;
  border-bottom: 1px solid var(--content-studio-border);
}

#toolboxApp[data-app-shell] .tb-content-studio-head > div:first-child {
  min-width: 0;
}

#toolboxApp[data-app-shell] .tb-content-studio-head h2 {
  margin: 0;
  color: var(--content-studio-text);
  font-size: 28px;
  font-weight: 760;
  line-height: 1.25;
  letter-spacing: 0;
}

#toolboxApp[data-app-shell] .tb-content-studio-head p {
  max-width: 720px;
  margin: 8px 0 0;
  color: var(--content-studio-muted);
  font-size: 14px;
  line-height: 1.7;
}

#toolboxApp[data-app-shell] .tb-content-studio-head-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
}

#toolboxApp[data-app-shell] .tb-content-studio-head-actions .tb-btn {
  min-width: 0;
  min-height: 40px;
  padding: 0 13px;
  border-radius: 8px;
  white-space: nowrap;
}

#toolboxApp[data-app-shell] .tb-content-studio-head-actions .tb-btn i {
  margin-right: 6px;
}

#toolboxApp[data-app-shell] .tb-content-studio-mobile-select {
  display: none;
}

#toolboxApp[data-app-shell] .tb-content-studio-layout {
  display: grid;
  grid-template-columns: 246px minmax(0, 1fr);
  align-items: start;
  gap: 18px;
  padding-top: 18px;
}

#toolboxApp[data-app-shell] .tb-content-studio-rail {
  position: sticky;
  top: 16px;
  display: grid;
  max-height: calc(100vh - 32px);
  min-width: 0;
  overflow: auto;
  border: 1px solid var(--content-studio-border);
  border-radius: 8px;
  background: var(--content-studio-panel);
  overscroll-behavior: contain;
  scrollbar-width: thin;
}

#toolboxApp[data-app-shell] .tb-content-studio-group {
  min-width: 0;
  padding: 14px 10px 12px;
}

#toolboxApp[data-app-shell] .tb-content-studio-group + .tb-content-studio-group {
  border-top: 1px solid var(--content-studio-border);
}

#toolboxApp[data-app-shell] .tb-content-studio-group > header {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  padding: 0 6px 10px;
}

#toolboxApp[data-app-shell] .tb-content-studio-mark {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 8px;
  background: var(--content-studio-primary-soft);
  color: var(--content-studio-primary);
  font-size: 13px;
  font-weight: 800;
}

#toolboxApp[data-app-shell] .tb-content-studio-group > header div,
#toolboxApp[data-app-shell] .tb-content-studio-main,
#toolboxApp[data-app-shell] .tb-content-studio-content,
#toolboxApp[data-app-shell] .tb-content-studio-tool-surface {
  width: 100%;
  min-width: 0;
}

#toolboxApp[data-app-shell] .tb-content-studio-group > header strong,
#toolboxApp[data-app-shell] .tb-content-studio-group > header small {
  display: block;
  overflow-wrap: anywhere;
}

#toolboxApp[data-app-shell] .tb-content-studio-group > header strong {
  color: var(--content-studio-text);
  font-size: 14px;
  line-height: 1.35;
}

#toolboxApp[data-app-shell] .tb-content-studio-group > header small {
  margin-top: 2px;
  color: var(--content-studio-muted);
  font-size: 12px;
  line-height: 1.45;
}

#toolboxApp[data-app-shell] .tb-content-studio-group > div {
  display: grid;
  gap: 3px;
}

#toolboxApp[data-app-shell] .tb-content-studio-tool {
  display: block;
  min-width: 0;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: 7px;
  color: var(--content-studio-text);
  text-decoration: none;
  transition: background-color 150ms ease-out, border-color 150ms ease-out, color 150ms ease-out;
}

#toolboxApp[data-app-shell] .tb-content-studio-tool strong,
#toolboxApp[data-app-shell] .tb-content-studio-tool span {
  display: block;
  white-space: normal;
  overflow-wrap: anywhere;
}

#toolboxApp[data-app-shell] .tb-content-studio-tool strong {
  font-size: 13px;
  font-weight: 680;
  line-height: 1.4;
}

#toolboxApp[data-app-shell] .tb-content-studio-tool span {
  margin-top: 2px;
  color: var(--content-studio-muted);
  font-size: 12px;
  line-height: 1.45;
}

#toolboxApp[data-app-shell] .tb-content-studio-tool:hover {
  border-color: var(--content-studio-border);
  background: var(--content-studio-panel-muted);
}

#toolboxApp[data-app-shell] .tb-content-studio-tool.active {
  border-color: #b9c7ff;
  background: var(--content-studio-primary-soft);
  color: #2449d8;
}

#toolboxApp[data-app-shell] .tb-content-studio-tool.active span {
  color: #53638c;
}

#toolboxApp[data-app-shell] .tb-content-studio-tool:focus-visible,
#toolboxApp[data-app-shell] .tb-content-studio-mobile-select select:focus-visible {
  outline: 3px solid rgba(49, 92, 246, 0.22);
  outline-offset: 2px;
}

#toolboxApp[data-app-shell] .tb-content-studio-main {
  overflow: visible;
}

#toolboxApp[data-app-shell] .tb-content-studio-content {
  position: relative;
  min-height: 520px;
  padding: 18px;
  border: 1px solid var(--content-studio-border);
  border-radius: 8px;
  background: var(--content-studio-panel);
}

#toolboxApp[data-app-shell] .tb-content-studio-content[aria-busy="true"] {
  pointer-events: none;
}

#toolboxApp[data-app-shell] .tb-content-studio-content[aria-busy="true"]::after {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: start center;
  padding-top: 72px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--content-studio-muted);
  content: "正在切换工具…";
  font-size: 14px;
}

/* Embedded V1 tools use the available operation width and keep examples below the form. */
#toolboxApp[data-app-shell] [data-content-studio-v1] .tb-content-studio-content :is(
  .tb-tool-workbench,
  .tb-tool-workbench-full,
  .tb-yiju-reference,
  .tb-yiju-layout,
  .tb-replicate-page,
  .tb-aicopy-workspace,
  .tb-specific-form,
  .tb-tool-form-panel,
  .tb-v6-main-panel,
  .tb-template-library-studio,
  .tb-free-note-studio
) {
  width: 100% !important;
  max-width: none !important;
  min-width: 0 !important;
}

#toolboxApp[data-app-shell] [data-content-studio-v1] .tb-yiju-layout {
  display: block !important;
}

#toolboxApp[data-app-shell] [data-content-studio-v1] .tb-yiju-card,
#toolboxApp[data-app-shell] [data-content-studio-v1] .tb-aicopy-form {
  width: 100% !important;
  max-width: none !important;
  min-width: 0 !important;
}

@media (min-width: 901px) {
  #toolboxApp[data-app-shell] [data-content-studio-v1] .tb-yiju-card {
    padding-inline: 16px !important;
  }

  #toolboxApp[data-app-shell] [data-content-studio-v1] .tb-yiju-action-row {
    gap: 6px !important;
    width: 100% !important;
    min-width: 0 !important;
    overflow: visible !important;
  }

  #toolboxApp[data-app-shell] [data-content-studio-v1] .tb-yiju-action-row > .tb-tool-mode-panel:not(.active) {
    display: none !important;
  }

  #toolboxApp[data-app-shell] [data-content-studio-v1] .tb-yiju-action-row > .tb-tool-mode-panel.active {
    display: flex !important;
    min-width: 0 !important;
  }

  #toolboxApp[data-app-shell] [data-content-studio-v1] .tb-yiju-action-row > [data-tool-mode-panel="cover"] {
    flex: 0 1 112px !important;
  }

  #toolboxApp[data-app-shell] [data-content-studio-v1] .tb-yiju-action-row > [data-tool-mode-panel="gallery"] {
    flex: 0 1 260px !important;
  }

  #toolboxApp[data-app-shell] [data-content-studio-v1] [data-tool-mode-panel="gallery"] > .tb-yiju-upload {
    flex: 1 1 82px !important;
    width: auto !important;
    min-width: 0 !important;
  }

  #toolboxApp[data-app-shell] [data-content-studio-v1] [data-tool-mode-panel="gallery"] > .tb-yiju-image-count {
    flex: 0 0 72px !important;
    width: 72px !important;
    min-width: 72px !important;
  }

  #toolboxApp[data-app-shell] [data-content-studio-v1] .tb-yiju-context {
    flex: 1 1 154px !important;
    width: auto !important;
    min-width: 140px !important;
  }

  #toolboxApp[data-app-shell] [data-content-studio-v1] .tb-yiju-context .tb-generation-context-grid {
    display: flex !important;
    gap: 4px !important;
    width: 100% !important;
  }

  #toolboxApp[data-app-shell] [data-content-studio-v1] .tb-yiju-context .tb-context-picker {
    flex: 1 1 0 !important;
    width: auto !important;
    min-width: 0 !important;
  }

  #toolboxApp[data-app-shell] [data-content-studio-v1] .tb-yiju-context .tb-context-trigger {
    width: 100% !important;
    min-width: 0 !important;
    padding-inline: 8px !important;
  }

  #toolboxApp[data-app-shell] [data-content-studio-v1] .tb-yiju-context .tb-context-trigger > em,
  #toolboxApp[data-app-shell] [data-content-studio-v1] .tb-yiju-context .tb-context-trigger > i,
  #toolboxApp[data-app-shell] [data-content-studio-v1] .tb-yiju-context .tb-context-trigger > span > i {
    display: none !important;
  }

  #toolboxApp[data-app-shell] [data-content-studio-v1] .tb-yiju-action-row > .tb-yiju-inline-select:not(.compact) {
    flex: 0 1 92px !important;
    width: 92px !important;
    min-width: 84px !important;
  }

  #toolboxApp[data-app-shell] [data-content-studio-v1] .tb-yiju-action-row > .tb-yiju-inline-select.compact {
    flex: 0 1 78px !important;
    width: 78px !important;
    min-width: 72px !important;
  }

  #toolboxApp[data-app-shell] [data-content-studio-v1] .tb-yiju-action-row > .tb-yiju-submit {
    flex: 0 0 136px !important;
    width: 136px !important;
    min-width: 136px !important;
  }
}

#toolboxApp[data-app-shell] [data-content-studio-v1] .tb-content-studio-content :is(label, section, div, form, fieldset) {
  min-width: 0;
}

#toolboxApp[data-app-shell] [data-content-studio-v1] .tb-content-studio-content :is(input, textarea, select) {
  max-width: 100%;
  color: var(--content-studio-text);
}

#toolboxApp[data-app-shell] [data-content-studio-v1] .tb-content-studio-content :is(button, .tb-btn, summary) {
  text-overflow: clip;
}

#toolboxApp[data-app-shell] [data-content-studio-v1] .tb-content-studio-content :is(.tb-btn.primary, button[type="submit"]) {
  min-height: 44px;
  overflow: visible;
  white-space: nowrap;
}

#toolboxApp[data-app-shell] [data-content-studio-v1] .tb-content-studio-content label.tb-upload-drop,
#toolboxApp[data-app-shell] [data-content-studio-v1] .tb-content-studio-content .tb-control-upload {
  border-color: #91cfbb !important;
  background: var(--content-studio-upload-soft) !important;
  color: #126c55 !important;
}

#toolboxApp[data-app-shell] [data-content-studio-v1] .tb-content-studio-content label.tb-upload-drop:hover,
#toolboxApp[data-app-shell] [data-content-studio-v1] .tb-content-studio-content .tb-control-upload:hover {
  border-color: var(--content-studio-upload) !important;
  background: #e1f6ee !important;
}

#toolboxApp[data-app-shell] [data-content-studio-v1] .tb-content-studio-content label.tb-upload-drop :is(b, strong, em, small, i),
#toolboxApp[data-app-shell] [data-content-studio-v1] .tb-content-studio-content .tb-control-upload :is(b, strong, em, small, i) {
  color: inherit !important;
}

#toolboxApp[data-app-shell] [data-content-studio-v1] :is(.tb-yiju-how, .tb-real-case-gallery, .tb-tool-showcase) {
  width: 100% !important;
  max-width: none !important;
  margin: 30px 0 0 !important;
}

#toolboxApp[data-app-shell] .tb-content-studio-error {
  display: grid;
  min-height: 240px;
  place-items: center;
  align-content: center;
  gap: 12px;
  color: var(--content-studio-muted);
  text-align: center;
}

#toolboxApp[data-app-shell] .tb-content-studio-error strong {
  color: var(--content-studio-text);
  font-size: 16px;
}

#toolboxApp[data-app-shell][data-theme="night"] [data-content-studio-v1] {
  --content-studio-panel: #1b2027;
  --content-studio-panel-muted: #222831;
  --content-studio-border: #353d48;
  --content-studio-border-strong: #46505e;
  --content-studio-text: #eef2f7;
  --content-studio-muted: #aab3c0;
  --content-studio-primary: #82a0ff;
  --content-studio-primary-soft: #26345c;
  --content-studio-upload: #58c59e;
  --content-studio-upload-soft: #19372f;
}

#toolboxApp[data-app-shell][data-theme="night"] .tb-content-studio-content[aria-busy="true"]::after {
  background: rgba(27, 32, 39, 0.92);
}

#toolboxApp[data-app-shell][data-theme="night"] .tb-content-studio-tool.active {
  border-color: #526cae;
  color: #dce5ff;
}

#toolboxApp[data-app-shell][data-theme="night"] .tb-content-studio-tool.active span {
  color: #b6c1d4;
}

@media (max-width: 1180px) {
  #toolboxApp[data-app-shell] .tb-content-studio-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  #toolboxApp[data-app-shell] .tb-content-studio-rail {
    display: none;
  }

  #toolboxApp[data-app-shell] .tb-content-studio-mobile-select {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 12px;
    margin-top: 16px;
    padding: 12px 14px;
    border: 1px solid var(--content-studio-border);
    border-radius: 8px;
    background: var(--content-studio-panel);
  }

  #toolboxApp[data-app-shell] .tb-content-studio-mobile-select span {
    color: var(--content-studio-muted);
    font-size: 13px;
    font-weight: 650;
  }

  #toolboxApp[data-app-shell] .tb-content-studio-mobile-select select {
    width: 100%;
    min-width: 0;
    min-height: 44px;
    padding: 0 36px 0 12px;
    border: 1px solid var(--content-studio-border-strong);
    border-radius: 7px;
    background: var(--content-studio-panel);
    color: var(--content-studio-text);
    font-size: 14px;
  }
}

@media (max-width: 900px) {
  #toolboxApp[data-app-shell] .tb-content-studio-head {
    align-items: flex-start;
    flex-direction: column;
  }

  #toolboxApp[data-app-shell] .tb-content-studio-head-actions {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }
}

@media (max-width: 640px) {
  #toolboxApp[data-app-shell] .tb-page-content:has(> [data-content-studio-v1]) {
    padding-inline: 10px;
  }

  #toolboxApp[data-app-shell] .tb-content-studio-head {
    gap: 14px;
    padding-bottom: 14px;
  }

  #toolboxApp[data-app-shell] .tb-content-studio-head h2 {
    font-size: 24px;
  }

  #toolboxApp[data-app-shell] .tb-content-studio-head p {
    font-size: 13px;
  }

  #toolboxApp[data-app-shell] .tb-content-studio-head-actions {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
  }

  #toolboxApp[data-app-shell] .tb-content-studio-head-actions .tb-btn {
    width: 100% !important;
    min-width: 0 !important;
    min-height: 44px;
    justify-content: center;
    padding-inline: 5px;
    font-size: 13px;
    white-space: nowrap;
  }

  #toolboxApp[data-app-shell] .tb-content-studio-head-actions .tb-btn i {
    display: none;
  }

  #toolboxApp[data-app-shell] .tb-content-studio-mobile-select {
    grid-template-columns: 1fr;
    gap: 7px;
    padding: 10px;
  }

  #toolboxApp[data-app-shell] .tb-content-studio-layout {
    gap: 10px;
    padding-top: 10px;
  }

  #toolboxApp[data-app-shell] .tb-content-studio-content {
    min-height: 420px;
    padding: 12px;
  }

  #toolboxApp[data-app-shell] [data-content-studio-v1] .tb-content-studio-content :is(.tb-btn.primary, button[type="submit"]) {
    white-space: normal;
  }

  #toolboxApp[data-app-shell] [data-content-studio-v1] .tb-viral-ideas button {
    height: auto !important;
    min-height: 44px;
    padding-block: 8px !important;
    overflow: visible !important;
    line-height: 1.4;
    white-space: normal !important;
    text-wrap: pretty;
  }
}

@media (prefers-reduced-motion: reduce) {
  #toolboxApp[data-app-shell] .tb-content-studio-tool {
    transition: none;
  }
}