:root {
  --tool-editor-font: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --tool-reading-font: Charter, Iowan Old Style, Palatino Linotype, Book Antiqua, Georgia, serif;
  --tool-border-contrast: rgba(255, 255, 255, 0.16);
  --tool-focus-ring: rgba(var(--bs-primary-rgb), 0.55);
}

body {
  background: var(--bs-body-bg);
}

.btn-primary {
  --bs-btn-color: #ffffff;
  --bs-btn-bg: #00446f;
  --bs-btn-border-color: #00446f;
  --bs-btn-hover-color: #ffffff;
  --bs-btn-hover-bg: #003657;
  --bs-btn-hover-border-color: #003657;
  --bs-btn-active-color: #ffffff;
  --bs-btn-active-bg: #002d49;
  --bs-btn-active-border-color: #002d49;
  --bs-btn-disabled-color: #ffffff;
  --bs-btn-disabled-bg: #00446f;
  --bs-btn-disabled-border-color: #00446f;
}

.btn.btn-primary {
  color: #ffffff;
  background-color: #00446f;
  border-color: #00446f;
}

.btn.btn-primary:hover,
.btn.btn-primary:focus-visible {
  color: #ffffff;
  background-color: #003657;
  border-color: #66b0ff;
}

.btn.btn-primary:active {
  color: #ffffff;
  background-color: #002d49;
  border-color: #66b0ff;
}

.btn-outline-primary {
  --bs-btn-color: #8cc7ff;
  --bs-btn-border-color: #66b0ff;
  --bs-btn-hover-color: #ffffff;
  --bs-btn-hover-bg: #00446f;
  --bs-btn-hover-border-color: #66b0ff;
  --bs-btn-active-color: #ffffff;
  --bs-btn-active-bg: #00446f;
  --bs-btn-active-border-color: #66b0ff;
}

.btn-outline-secondary {
  --bs-btn-color: #e0deda;
  --bs-btn-border-color: #989796;
  --bs-btn-hover-color: #07090f;
  --bs-btn-hover-bg: #e0deda;
  --bs-btn-hover-border-color: #e0deda;
  --bs-btn-active-color: #07090f;
  --bs-btn-active-bg: #c8c7c3;
  --bs-btn-active-border-color: #c8c7c3;
}

.app-shell {
  max-width: 1120px;
}

.muted-note {
  color: var(--bs-secondary-color);
  font-size: 0.9rem;
}

.mono {
  font-family: var(--tool-editor-font);
}

.toolbar {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.toolbar-divider {
  width: 1px;
  align-self: stretch;
  min-height: 2.1rem;
  background: var(--tool-border-contrast);
}

.converter-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.paste-mode-control {
  display: inline-flex;
  gap: 0.2rem;
  padding: 0.2rem;
  margin: 0;
  border: 1px solid var(--tool-border-contrast);
  border-radius: 0.45rem;
  background: var(--bs-tertiary-bg);
}

.paste-mode-control input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
}

.paste-mode-control label {
  padding: 0.35rem 0.6rem;
  border-radius: 0.3rem;
  color: var(--bs-secondary-color);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 650;
}

.paste-mode-control input:checked + label {
  color: var(--bs-body-color);
  background: var(--bs-body-bg);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.paste-mode-control input:focus-visible + label {
  outline: 2px solid var(--tool-focus-ring);
  outline-offset: 2px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--tool-border-contrast);
  background: var(--bs-tertiary-bg);
  color: var(--bs-secondary-color);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
}

.status-pill strong {
  color: var(--bs-body-color);
  font-weight: 600;
}

.workbench {
  display: grid;
  grid-template-columns: minmax(360px, 1fr) minmax(360px, 1fr);
  gap: 1rem;
  align-items: stretch;
}

.panel-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  border: 1px solid var(--tool-border-contrast);
  background: var(--bs-body-bg);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 1rem;
  padding: 1rem 1.1rem 0.85rem;
  border-bottom: 1px solid var(--tool-border-contrast);
  background: var(--bs-tertiary-bg);
}

.panel-header > div {
  flex: 1 1 auto;
  min-width: 0;
}

.panel-header > .meta-inline {
  flex: 0 1 auto;
  min-width: 0;
  max-width: 42%;
  overflow: hidden;
  text-overflow: ellipsis;
}

.panel-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 650;
}

.panel-subtitle {
  margin: 0.2rem 0 0;
  color: var(--bs-secondary-color);
  font-size: 0.88rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card {
  background: var(--bs-body-bg);
  border-color: var(--bs-border-color);
}

.card-header {
  background: var(--bs-tertiary-bg);
  border-bottom-color: var(--bs-border-color);
}

.panel-body-fill {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
}

.source-frame {
  flex: 1 1 auto;
  min-height: 0;
  margin: 1rem;
  margin-top: 0;
  border: 1px solid var(--tool-border-contrast);
  border-radius: 0.5rem;
  background: var(--bs-body-bg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.source-frame-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.95rem 1rem 0.8rem;
  border-bottom: 1px solid var(--tool-border-contrast);
  background: var(--bs-tertiary-bg);
}

.source-frame-head h3 {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 650;
}

.panel-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 1rem;
}

.panel-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.75rem 1.1rem 0.95rem;
  border-top: 1px solid var(--tool-border-contrast);
  background: var(--bs-tertiary-bg);
}

.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
  border-top: 1px solid var(--tool-border-contrast);
  background: var(--bs-tertiary-bg);
}

.status-bar .counts,
.meta-inline {
  color: var(--bs-secondary-color);
  font-size: 0.85rem;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.status-bar .counts {
  font-size: 0.85rem;
}

#sourceInput {
  flex: 1 1 auto;
  resize: none;
  min-height: 100%;
  font-size: 0.95rem;
  line-height: 1.5;
  tab-size: 2;
  border: 0;
  width: 100%;
  padding: 1.1rem;
  background: transparent;
  color: var(--bs-body-color);
  font-family: var(--tool-editor-font);
}

#sourceInput:focus {
  outline: 2px solid var(--tool-focus-ring);
  outline-offset: -2px;
  box-shadow: inset 0 0 0 1px var(--tool-focus-ring);
}

.hint-text {
  color: var(--bs-secondary-color);
  font-size: 0.85rem;
}

.preview-stack {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 1rem;
}

.yaml-preview,
.markdown-preview {
  border: 1px solid var(--tool-border-contrast);
  border-radius: 0.5rem;
  background: var(--bs-body-bg);
  overflow: hidden;
}

.preview-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.95rem 1rem 0.8rem;
  border-bottom: 1px solid var(--tool-border-contrast);
  background: var(--bs-tertiary-bg);
}

.preview-head h2 {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 650;
}

.preview-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0;
  font: inherit;
  cursor: pointer;
}

.preview-toggle-title {
  font-size: 0.98rem;
  font-weight: 650;
  line-height: 1.2;
}

.preview-toggle:focus-visible {
  outline: 2px solid rgba(var(--bs-primary-rgb), 0.45);
  outline-offset: 3px;
  border-radius: 0.35rem;
}

.preview-toggle-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 999px;
  background: rgba(var(--bs-body-color-rgb), 0.08);
  font-size: 0.72rem;
  line-height: 1;
  transition: transform 160ms ease;
}

.yaml-preview.is-expanded .preview-toggle-icon {
  transform: rotate(90deg);
}

.preview-body {
  padding: 1rem;
}

.yaml-preview-body[hidden] {
  display: none !important;
}

.preview-body-scroll {
  overflow: auto;
  min-height: 480px;
}

.yaml-grid {
  display: grid;
  grid-template-columns: minmax(140px, 220px) 1fr;
  gap: 0.75rem 1rem;
  margin: 0;
}

.yaml-grid dt {
  margin: 0;
  font-family: var(--tool-editor-font);
  font-size: 0.86rem;
  color: #fbbf24;
  word-break: break-word;
}

.yaml-grid dd {
  margin: 0;
  color: var(--bs-body-color);
  font-size: 0.94rem;
  word-break: break-word;
}

.yaml-value-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.yaml-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.84rem;
}

.yaml-raw,
.empty-state,
.error-box {
  border-radius: 0.8rem;
  padding: 0.95rem 1rem;
  font-size: 0.92rem;
}

.yaml-raw {
  margin: 0;
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid var(--tool-border-contrast);
  color: #f8fafc;
  font-family: var(--tool-editor-font);
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.empty-state {
  background: rgba(var(--bs-body-color-rgb), 0.03);
  border: 1px dashed var(--tool-border-contrast);
  color: var(--bs-secondary-color);
}

.error-box {
  background: rgba(220, 53, 69, 0.12);
  border: 1px solid rgba(220, 53, 69, 0.25);
  color: #ffb4bf;
}

.markdown-output {
  font-family: var(--tool-reading-font);
  font-size: 1.05rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.92);
}

.markdown-output > *:first-child {
  margin-top: 0;
}

.markdown-output > *:last-child {
  margin-bottom: 0;
}

.markdown-output h1,
.markdown-output h2,
.markdown-output h3,
.markdown-output h4,
.markdown-output h5,
.markdown-output h6 {
  font-family: "Avenir Next", "Segoe UI", system-ui, sans-serif;
  font-weight: 650;
  line-height: 1.2;
  margin-top: 1.8rem;
  margin-bottom: 0.8rem;
}

.markdown-output h1 {
  font-size: clamp(1.9rem, 1.4rem + 1.3vw, 2.6rem);
}

.markdown-output h2 {
  font-size: clamp(1.45rem, 1.22rem + 0.7vw, 1.85rem);
}

.markdown-output h3 {
  font-size: 1.25rem;
}

.markdown-output p,
.markdown-output ul,
.markdown-output ol,
.markdown-output blockquote,
.markdown-output pre,
.markdown-output table {
  margin-bottom: 1.1rem;
}

.markdown-output a {
  color: var(--bs-primary);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
}

.markdown-output blockquote {
  margin-left: 0;
  padding: 0.9rem 1rem;
  border-left: 4px solid rgba(var(--bs-primary-rgb), 0.5);
  background: rgba(var(--bs-primary-rgb), 0.08);
  border-radius: 0 0.8rem 0.8rem 0;
}

.markdown-output code {
  font-family: var(--tool-editor-font);
  font-size: 0.9em;
  background: rgba(var(--bs-body-color-rgb), 0.08);
  padding: 0.15rem 0.35rem;
  border-radius: 0.35rem;
}

.markdown-output pre {
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid var(--tool-border-contrast);
  border-radius: 0.9rem;
  padding: 1rem;
  overflow: auto;
}

.markdown-output pre code {
  background: transparent;
  padding: 0;
  border-radius: 0;
}

.markdown-output img {
  max-width: 100%;
  height: auto;
  border-radius: 0.85rem;
}

.markdown-output table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.markdown-output th,
.markdown-output td {
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  vertical-align: top;
}

.markdown-output th {
  background: rgba(var(--bs-body-color-rgb), 0.06);
  font-family: "Avenir Next", "Segoe UI", system-ui, sans-serif;
}

.workspace-tabs {
  display: inline-flex;
  gap: 0.25rem;
  padding: 0.25rem;
  margin-bottom: 1rem;
  border: 1px solid var(--tool-border-contrast);
  border-radius: 0.5rem;
  background: var(--bs-tertiary-bg);
}

.workspace-tabs [role="tab"] {
  border: 0;
  border-radius: 0.35rem;
}

.workspace-tabs [role="tab"][aria-selected="true"] {
  color: var(--bs-body-color);
  background: var(--bs-body-bg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.24);
}

.rich-import-workbench {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(360px, 1.1fr);
  gap: 1rem;
}

.rich-import-workbench[hidden] {
  display: none;
}

.rich-import-editor,
.converted-markdown-editor {
  width: 100%;
  min-height: 18rem;
  padding: 1rem;
  color: var(--bs-body-color);
  background: var(--bs-body-bg);
  border: 0;
  resize: vertical;
}

.rich-import-editor {
  font-family: var(--tool-reading-font);
}

.converted-markdown-editor {
  font-family: var(--tool-editor-font);
  border-bottom: 1px solid var(--tool-border-contrast);
}

.rich-import-preview {
  min-height: 10rem;
  padding: 1rem;
}

.file-drop-zone {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 4.5rem;
  margin: 1rem 1rem 0;
  padding: 0.9rem;
  border: 1px dashed rgba(0, 169, 224, 0.72);
  border-radius: 0.5rem;
  color: var(--bs-secondary-color);
  background: rgba(0, 169, 224, 0.06);
  cursor: pointer;
  text-align: center;
}

.file-drop-zone.is-over,
.file-drop-zone:focus-visible {
  color: var(--bs-body-color);
  border-style: solid;
  outline: 2px solid var(--tool-focus-ring);
  outline-offset: 2px;
  background: rgba(0, 169, 224, 0.14);
}

.validation-panel {
  grid-column: 1 / -1;
  border: 1px solid var(--tool-border-contrast);
  border-left: 4px solid #00a9e0;
  border-radius: 0.5rem;
  background: var(--bs-tertiary-bg);
}

.validation-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--tool-border-contrast);
}

.validation-panel-head h2 {
  margin: 0;
  font-size: 0.95rem;
}

.validation-summary {
  color: var(--bs-secondary-color);
  font-size: 0.85rem;
}

.validation-findings {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  padding: 0.9rem 1rem 1rem;
}

.validation-group {
  min-width: 0;
}

.validation-group h3 {
  margin: 0 0 0.45rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.validation-group ul {
  display: grid;
  gap: 0.35rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.validation-finding {
  padding: 0.45rem 0.55rem;
  border-radius: 0.35rem;
  background: rgba(var(--bs-body-color-rgb), 0.045);
  font-size: 0.82rem;
  line-height: 1.35;
}

.validation-group[data-severity="error"] h3 {
  color: var(--bs-danger);
}

.validation-group[data-severity="warning"] h3 {
  color: var(--bs-warning);
}

.validation-group[data-severity="info"] h3 {
  color: #42c6f2;
}

@media (max-width: 991.98px) {
  .workbench,
  .rich-import-workbench {
    grid-template-columns: 1fr;
  }

  #sourceInput,
  .preview-body-scroll {
    min-height: 48vh;
  }

  .validation-findings {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 575.98px) {
  .panel-header,
  .panel-footer,
  .preview-head,
  .preview-body,
  .panel-actions {
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }

  .panel-header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.4rem;
  }

  .panel-header > * {
    min-width: 0;
  }

  .panel-header .panel-subtitle,
  .panel-header .meta-inline {
    white-space: normal;
  }

  .panel-header > .meta-inline {
    max-width: 100%;
  }

  .yaml-grid {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .meta-inline {
    white-space: normal;
  }
}