/*
 * CSS variables should be defined by the host application.
 * This allows the editor to integrate seamlessly with any theme.
 *
 * Required CSS variables:
 * --accent-color, --accent-color-hover, --accent-pink
 * --background, --background-dark, --background-alt, --background-code, --preview-bg
 * --border, --border-light, --border-info, --border-table
 * --text-primary, --text-invert, --text-secondary, --text-muted, --text-placeholder
 * --text-info, --text-blockquote
 * --info-bg, --table-row-alt, --code-bg, --code-text
 */

.editor-container {
    position: relative;
}

#editor_content {
    position: relative;
    overflow: auto;
    height: calc(24 * 20px);
}

#editor_content_placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: calc(24 * 20px);
    color: var(--text-placeholder);
    z-index: 10;
    white-space: pre-line;
    display: block;
    overflow: auto;
    padding: 0.5em 0.75em;
    box-sizing: border-box;
    cursor: text;
}

/* emptyクラスがない時（コンテンツがある時）にプレースホルダーを隠す */
#editor_content:not(.empty) ~ #editor_content_placeholder {
    display: none;
}

/*!* フォーカス時も隠す *!*/
/*#editor_content:focus ~ #editor_content_placeholder {*/
/*    display: none;*/
/*}*/

.ponkotsu-md-editor-form-text {
  font-size: 0.875em;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.ponkotsu-md-editor-medium-contrast-text {
  color: var(--text-secondary);
}

.ponkotsu-md-editor-text-decoration-none {
  text-decoration: none;
}

.ponkotsu-md-editor-form-control {
  display: block;
  width: 100%;
  min-height: 120px;
  padding: 0.5em 0.75em;
  font-size: 1em;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--background);
  background-clip: padding-box;
  border: 1px solid var(--border-light);
  border-radius: 0.375rem;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
  box-sizing: border-box;
}
.ponkotsu-md-editor-form-control:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 0.2rem rgba(0,123,255,.25);
}

.ponkotsu-md-editor-markdown-textarea {
  min-height: 240px;
  resize: vertical;
  font-family: inherit;
  background: none;
  box-shadow: none;
}

.ponkotsu-md-editor-popover-modal {
  background: var(--background-dark);
  color: var(--text-invert);
  border-radius: 8px;
  box-shadow: 0 0 20px #000a;
  max-width: 900px;
  width: 80vw;
}
.ponkotsu-md-editor-popover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  border-bottom: 1px solid var(--border);
}
.ponkotsu-md-editor-popover-title {
  font-size: 1.25rem;
  font-weight: bold;
}
.ponkotsu-md-editor-btn-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-invert);
  cursor: pointer;
}
.ponkotsu-md-editor-popover-body {
  padding: 1.5rem;
  max-height: 70vh;
  overflow-y: auto;
}
.ponkotsu-md-editor-nav {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
  list-style: none;
  padding-left: 0;
}
.ponkotsu-md-editor-nav-tabs .ponkotsu-md-editor-nav-link {
  border: none;
  background: none;
  color: var(--text-invert);
  padding: 0.5rem 1rem;
  cursor: pointer;
  border-radius: 0.375rem 0.375rem 0 0;
  margin-right: 0.25rem;
}
.ponkotsu-md-editor-nav-link.active {
  background: #333;
  color: var(--accent-color);
  font-weight: bold;
}
.ponkotsu-md-editor-nav-fill {
  flex: 1 1 auto;
}
.ponkotsu-md-editor-nav-item {
  flex: 1 1 0;
  text-align: center;
}
.ponkotsu-md-editor-tab-content {
  margin-top: 1rem;
}
.ponkotsu-md-editor-tab-pane {
  display: none;
}
.ponkotsu-md-editor-tab-pane.active,
.ponkotsu-md-editor-tab-pane.show {
  display: block;
}
.ponkotsu-md-editor-table-responsive {
  overflow-x: auto;
}
.ponkotsu-md-editor-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
  color: var(--text-invert);
  background: var(--background-dark);
}
.ponkotsu-md-editor-table th,
.ponkotsu-md-editor-table td {
  border: 1px solid var(--border);
  padding: 0.5rem;
}
.ponkotsu-md-editor-table-dark {
  background: var(--background-dark);
}
.ponkotsu-md-editor-table-striped tbody tr:nth-child(odd) {
  background: var(--table-row-alt);
}
.ponkotsu-md-editor-table-sm th,
.ponkotsu-md-editor-table-sm td {
  padding: 0.25rem 0.5rem;
  font-size: 0.9em;
}
.ponkotsu-md-editor-table-bordered th,
.ponkotsu-md-editor-table-bordered td {
  border: 1px solid var(--border-table);
}
.ponkotsu-md-editor-alert {
  padding: 1rem;
  border-radius: 0.375rem;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
  background: var(--info-bg);
  color: var(--text-info);
  border: 1px solid var(--border-info);
}
.ponkotsu-md-editor-alert-info {
  background: var(--info-bg);
  color: var(--text-info);
  border-color: var(--border-info);
}
.ponkotsu-md-editor-mt-4 {
  margin-top: 1.5rem;
}
.ponkotsu-md-editor-high-contrast-text {
  color: var(--text-invert);
  font-weight: bold;
}

.markdown-preview,
.ponkotsu-md-editor-markdown-preview {
  min-height: 500px;
  padding: 1rem;
  background-color: var(--preview-bg);
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  color: var(--text-invert);
  word-break: break-word;
  overflow-x: auto;
}

.ponkotsu-md-editor-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 0.5rem;
}
.ponkotsu-md-editor-btn-group {
  display: inline-flex;
  align-items: center;
  margin-right: 0.5rem;
}
.ponkotsu-md-editor-btn-group-sm > .ponkotsu-md-editor-btn {
  font-size: 0.9em;
  padding: 0.25em 0.5em;
}
.ponkotsu-md-editor-btn {
  display: inline-block;
  font-weight: 400;
  color: var(--text-primary);
  text-align: center;
  vertical-align: middle;
  user-select: none;
  background-color: var(--background);
  border: 1px solid var(--border-light);
  padding: 0.375rem 0.75rem;
  font-size: 1em;
  line-height: 1.5;
  border-radius: 0.375rem;
  transition: color 0.15s, background-color 0.15s, border-color 0.15s, box-shadow 0.15s;
  margin-right: 0.2em;
  cursor: pointer;
}
.ponkotsu-md-editor-btn:last-child {
  margin-right: 0;
}
.ponkotsu-md-editor-btn-outline {
  background-color: var(--background);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}
.ponkotsu-md-editor-btn-outline:hover,
.ponkotsu-md-editor-btn-outline:focus {
  background-color: #f0f0f0;
  border-color: var(--accent-color);
  color: var(--accent-color);
}
.ponkotsu-md-editor-btn-outline-primary {
  background-color: var(--background);
  color: var(--accent-color);
  border: 1px solid var(--accent-color);
}
.ponkotsu-md-editor-btn-outline-primary:hover,
.ponkotsu-md-editor-btn-outline-primary:focus {
  background-color: var(--accent-color);
  color: var(--text-invert);
}
.ponkotsu-md-editor-mb-2 {
  margin-bottom: 0.5rem;
}
.ponkotsu-md-editor-ms-2 {
  margin-left: 0.5rem;
}

/* インラインコード・ブロック・引用などの色も変数化 */
code {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 2px 6px;
  border-radius: 4px;
}
pre {
  background: var(--background-code);
  color: var(--text-invert);
  padding: 0.75rem;
  border-radius: 4px;
  margin: 0;
  font-size: 0.95em;
}
blockquote {
  border-left: 4px solid var(--accent-color);
  padding-left: 1rem;
  margin: 0;
  color: var(--text-blockquote);
}