/*======================================================================
  AI-Освіта Markdown Editor Stylesheet
  Scoped under .aio-tool-markdown wrapper to avoid collisions in WordPress.
======================================================================*/

.aio-tool-markdown {
}

/* Base font-family inheritance — applied only to our own UI elements, NOT to all editor internals */
.aio-tool-markdown {
  font-family: inherit;
}
.aio-tool-markdown .aio-markdown-panel-header,
.aio-tool-markdown .aio-markdown-panel-title,
.aio-tool-markdown .aio-markdown-stat-item,
.aio-tool-markdown .aio-button,
.aio-tool-markdown .aio-iconic-btn,
.aio-tool-markdown #aio-markdown-preview {
  font-family: inherit;
}

/* Main workspace layout */
.aio-tool-markdown .aio-markdown-workspace {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: var(--aio-space-lg);
  padding: var(--aio-space-25) var(--aio-space-lg);
  min-height: 0;
  box-sizing: border-box;
}

/* Panel cards */
.aio-tool-markdown .aio-markdown-panel {
  display: flex;
  flex-direction: column;
  min-height: 500px;
  padding: 0; /* Overrides default aio-card padding */
  background: var(--color-white);
  border: var(--border-width-strong) solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  /* overflow: hidden REMOVED — it was clipping position:fixed Toast UI popups
     (language selector, context menu) because the popup's DOM lives inside this panel.
     Visual corner rounding is now applied on the first/last child instead. */
  overflow: visible;
  position: relative;
  top: 0;
  transition: top var(--transition-default), box-shadow var(--transition-default);
}

.aio-tool-markdown .aio-markdown-panel:hover {
  top: -2px;
  box-shadow: var(--shadow-card);
}

/* Clip the top corners of the panel header to match the card border-radius */
.aio-tool-markdown .aio-markdown-panel-header {
  border-radius: var(--radius) var(--radius) 0 0;
}

/* Clip the bottom corners on the last child (editor or textarea) */
.aio-tool-markdown .aio-markdown-panel-content {
  border-radius: 0 0 var(--radius) var(--radius);
  overflow: hidden;
}

/* Toast UI popups — ensure high z-index and correct fixed positioning */
.toastui-editor-ww-code-block-language {
  z-index: var(--z-editor-popup) !important;
}
.toastui-editor-popup {
  z-index: var(--z-editor-menu) !important;
}
.toastui-editor-context-menu {
  z-index: var(--z-editor-tooltip) !important;
}

/* Iconic buttons overrides for tools editor styling */
.aio-tool-markdown .aio-iconic-btn {
  border: var(--border-width) solid var(--color-border);
  background: var(--color-white);
  color: var(--color-body);
}

.active-dark-mode .aio-tool-markdown .aio-iconic-btn {
  border-color: var(--color-border);
  background: var(--color-dark);
  color: var(--color-border);
}

/* Panel Headers */
.aio-tool-markdown .aio-markdown-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--aio-space-md) var(--aio-space-lg);
  border-bottom: var(--border-width) solid var(--color-border);
  background: var(--color-white);
  min-height: var(--aio-size-button);
  box-sizing: border-box;
}

.aio-tool-markdown .aio-markdown-header-left {
  display: flex;
  align-items: center;
  gap: var(--aio-space-md);
  flex-grow: 1;
}

.aio-tool-markdown .aio-markdown-header-right {
  display: flex;
  align-items: center;
  gap: var(--aio-space-10);
  flex-shrink: 0;
}

.aio-tool-markdown .aio-markdown-panel-title {
  font-size: var(--font-size-title);
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading);
  margin: 0;
  line-height: var(--line-height-tight);
}

/* Stats Counter */
.aio-tool-markdown .aio-markdown-stats {
  display: flex;
  align-items: center;
  gap: var(--aio-space-sm);
  margin-left: auto;
  margin-right: var(--aio-space-15);
}

.aio-tool-markdown .aio-markdown-stat-item {
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-body);
  background: var(--primary-opacity);
  padding: var(--aio-space-2xs) var(--aio-space-10);
  border-radius: var(--radius);
  border: var(--border-width) solid var(--primary-opacity);
  transition: background-color var(--transition-default), border-color var(--transition-default);
}

.aio-tool-markdown .aio-markdown-stat-divider {
  color: var(--color-border);
  font-weight: 300;
  font-size: var(--font-size-label);
}

/* Autosave & Clear buttons */
.aio-tool-markdown .aio-markdown-autosave-indicator {
  font-size: var(--font-size-body);
  opacity: var(--opacity-hidden);
  transition: opacity var(--transition-default);
  color: var(--color-success);
  min-width: var(--aio-space-lg);
  text-align: center;
}

.aio-tool-markdown .aio-markdown-autosave-indicator.active {
  opacity: var(--opacity-visible);
}

/* Textarea Preview styles */
.aio-tool-markdown #aio-markdown-preview {
  width: 100%;
  height: 100%;
  min-height: 400px;
  padding: var(--aio-space-lg);
  border: none;
  background: var(--color-white);
  font-size: var(--font-size-body-sm);
  line-height: var(--line-height-title);
  color: var(--color-heading);
  resize: none;
  outline: none;
  tab-size: 2;
  white-space: pre-wrap;
  word-wrap: break-word;
  box-sizing: border-box;
}

.aio-tool-markdown #aio-markdown-preview::placeholder {
  color: var(--color-body);
  font-style: italic;
  opacity: var(--opacity-soft);
}

/* Panel Contents */
.aio-tool-markdown .aio-markdown-panel-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-white);
  min-height: 0;
}

.aio-tool-markdown #aio-markdown-editor {
  flex: 1;
  min-height: 400px;
  text-align: left;
}

/* Scrollbars overrides */
.aio-tool-markdown .toastui-editor .ProseMirror::-webkit-scrollbar,
.aio-tool-markdown #aio-markdown-preview::-webkit-scrollbar {
  width: var(--aio-space-1xs);
  height: var(--aio-space-1xs);
}

.aio-tool-markdown .toastui-editor .ProseMirror::-webkit-scrollbar-track,
.aio-tool-markdown #aio-markdown-preview::-webkit-scrollbar-track {
  background: transparent;
}

.aio-tool-markdown .toastui-editor .ProseMirror::-webkit-scrollbar-thumb,
.aio-tool-markdown #aio-markdown-preview::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius);
}

.aio-tool-markdown .toastui-editor .ProseMirror::-webkit-scrollbar-thumb:hover,
.aio-tool-markdown #aio-markdown-preview::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Toast Context Menu adjustments */
.toastui-editor-context-menu {
  z-index: var(--z-editor-underlay) !important;
  font-family: inherit !important;
}

/* Toast popup z-index override */
.toastui-editor-popup {
  z-index: var(--z-editor-popover) !important;
}

/* Dark theme support */
.active-dark-mode .aio-tool-markdown .aio-markdown-panel {
  background: var(--color-dark);
  border-color: var(--color-border);
  box-shadow: none;
}

.active-dark-mode .aio-tool-markdown .aio-markdown-panel:hover {
  box-shadow: var(--shadow-button-hover);
}

.active-dark-mode .aio-tool-markdown .aio-markdown-panel-header {
  background: var(--color-dark);
  border-bottom-color: var(--color-border);
}

.active-dark-mode .aio-tool-markdown .aio-markdown-panel-title {
  color: var(--color-white);
}

.active-dark-mode .aio-tool-markdown .aio-markdown-panel-content,
.active-dark-mode .aio-tool-markdown #aio-markdown-preview {
  background: var(--color-dark);
  color: var(--color-border);
}

.active-dark-mode .aio-tool-markdown .aio-markdown-stat-item {
  background: var(--primary-opacity);
  border-color: var(--color-border);
  color: var(--color-border);
}

/* Toast UI Editor dark overrides */
.active-dark-mode .aio-tool-markdown .toastui-editor-defaultUI-toolbar {
  background: var(--color-dark) !important;
  border-bottom-color: var(--color-border) !important;
}

.active-dark-mode .aio-tool-markdown .toastui-editor-defaultUI,
.active-dark-mode .aio-tool-markdown .toastui-editor-ww-container,
.active-dark-mode .aio-tool-markdown .toastui-editor-main,
.active-dark-mode .aio-tool-markdown .toastui-editor .ProseMirror {
  background-color: var(--color-dark) !important;
  color: var(--color-border) !important;
}

/* Responsive grid layout */
@container aio-tool (max-width: 1200px) {
  .aio-tool-markdown .aio-markdown-workspace {
    grid-template-columns: 1fr 340px;
    padding: var(--aio-space-md);
    gap: var(--aio-space-md);
  }
}

@container aio-tool (max-width: 991px) {
  .aio-tool-markdown .aio-markdown-workspace {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
    padding: var(--aio-space-md) var(--aio-space-sm);
    gap: var(--aio-space-md);
  }

  .aio-tool-markdown .aio-markdown-preview-panel {
    min-height: 280px;
    max-height: 360px;
  }

  .aio-tool-markdown .aio-markdown-panel-header {
    padding: var(--aio-space-sm) var(--aio-space-md);
    min-height: var(--aio-size-touch);
  }

  .aio-tool-markdown .aio-markdown-panel-title {
    font-size: var(--font-size-body);
  }

  .aio-tool-markdown .aio-markdown-stats {
    gap: var(--aio-space-xs);
    margin-right: var(--aio-space-xs);
  }

  .aio-tool-markdown .aio-markdown-stat-item {
    font-size: var(--font-size-caption);
    padding: var(--aio-space-3) var(--aio-space-1xs);
  }

  .aio-tool-markdown .aio-markdown-stat-divider {
    display: none;
  }
}

@container aio-tool (max-width: 575px) {
  .aio-tool-markdown .aio-markdown-panel-header {
    flex-wrap: wrap;
    gap: var(--aio-space-10);
    height: auto;
  }

  .aio-tool-markdown .aio-markdown-header-left {
    width: 100%;
    justify-content: space-between;
  }

  .aio-tool-markdown .aio-markdown-stats {
    margin-left: 0;
    margin-right: 0;
  }

  .aio-tool-markdown .aio-markdown-header-right {
    width: 100%;
    justify-content: flex-end;
  }
}


/* ======================================================================
   Vertical adaptability for desktop (min-width: 992px)
   Locks the workspace to 100dvh minus site header and forces inner scrolls.
   ====================================================================== */
@container aio-tool (min-width: 992px) {
  .aio-tool-markdown .aio-markdown-workspace {
    height: calc(100dvh - var(--aio-tool-site-header-h, 90px));
    min-height: 0;
  }
  
  .aio-tool-markdown .aio-markdown-panel {
    height: 100%;
    min-height: 0;
  }
  
  .aio-tool-markdown .aio-markdown-panel-content {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
  }
  
  .aio-tool-markdown #aio-markdown-editor {
    flex: 1;
    min-height: 0;
    height: 100%;
  }
  
  .aio-tool-markdown #aio-markdown-preview {
    flex: 1;
    min-height: 0;
    height: 100%;
  }

  /* Force Toast UI Editor to shrink and scroll internally */
  .aio-tool-markdown .toastui-editor-defaultUI {
    height: 100% !important;
    border: none !important;
  }
}

/* Responsive constraints to prevent horizontal overflow on mobile/narrow layouts */
.aio-tool-markdown .aio-markdown-panel {
  min-width: 0 !important;
  width: 100% !important;
}

.aio-tool-markdown .toastui-editor-defaultUI {
  min-width: 0 !important;
  width: 100% !important;
}

.aio-tool-markdown .toastui-editor-toolbar {
  flex-wrap: wrap !important;
  height: auto !important;
}