/* ==========================================================================
   DEVPEGS - Full-Fledged Organic Document & Word/Notion Studio
   ========================================================================== */

.admin-studio-container {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  min-height: 850px;
}

/* Ribbon Toolbar (Word / Notion Hybrid) */
.editor-ribbon {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-card);
  display: flex;
  flex-direction: column;
}

.ribbon-top-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  gap: 1rem;
}

.ribbon-doc-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.doc-type-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.doc-title-input {
  background: transparent;
  border: none;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  outline: none;
  min-width: 280px;
}

.doc-title-input:focus {
  border-bottom: 2px solid var(--accent-indigo);
}

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

/* Secondary Tools Row (Formatting & Inserts) */
.ribbon-tools-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: rgba(0, 0, 0, 0.2);
  overflow-x: auto;
}

.tool-group {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  padding-right: 0.6rem;
  border-right: 1px solid var(--border-subtle);
}

.tool-btn {
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: all 0.15s;
  font-family: var(--font-sans);
}

.tool-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.tool-btn.active {
  background: rgba(99, 102, 241, 0.25);
  border-color: var(--accent-indigo);
  color: #fff;
}

.tool-btn-handwritten {
  font-family: var(--font-hand);
  font-size: 1.1rem;
  color: var(--accent-amber);
}

/* Main Split / Canvas View */
.studio-workspace-split {
  display: grid;
  grid-template-columns: 280px 1fr 1fr;
  flex: 1;
  min-height: 720px;
}

.studio-workspace-split.view-preview-only {
  grid-template-columns: 280px 1fr;
}
.studio-workspace-split.view-preview-only .editor-raw-pane {
  display: none;
}

.studio-workspace-split.view-editor-only {
  grid-template-columns: 280px 1fr;
}
.studio-workspace-split.view-editor-only .editor-organic-canvas {
  display: none;
}

/* Left Document Navigator Sidebar */
.studio-sidebar {
  border-right: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.doc-nav-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  transition: all 0.15s;
}

.doc-nav-item:hover, .doc-nav-item.active {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--border-accent);
}

.doc-nav-title {
  font-weight: 600;
  font-size: 0.88rem;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.doc-nav-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

/* Middle: Raw Markdown & Code Pane */
.editor-raw-pane {
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  background: #050811;
  position: relative;
}

.raw-pane-header {
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.raw-textarea {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  resize: none;
  padding: 1.5rem;
  color: #e2e8f0;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  line-height: 1.7;
  tab-size: 2;
  white-space: pre-wrap;
}

/* Right: Organic Notebook Canvas */
.editor-organic-canvas {
  background: #090e1a;
  overflow-y: auto;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.notebook-page {
  width: 100%;
  max-width: 760px;
  min-height: 800px;
  background-color: #0d1424;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: 
    0 15px 35px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.05);
  position: relative;
}

/* Notebook Paper Dotted Texture */
.notebook-page.paper-dotted {
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.09) 1.2px, transparent 1.2px);
  background-size: 22px 22px;
}

/* Notebook Paper Ruled Lines */
.notebook-page.paper-ruled {
  background-image: repeating-linear-gradient(
    transparent,
    transparent 31px,
    rgba(255, 255, 255, 0.06) 32px
  );
  line-height: 32px;
}

/* Document Header inside Page */
.page-top-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 2px dashed rgba(255, 255, 255, 0.1);
  margin-bottom: 2rem;
}

.page-category-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-indigo);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.page-date-stamp {
  font-family: var(--font-hand);
  font-size: 1.2rem;
  color: var(--text-muted);
}

.page-h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.page-prose {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.8;
  color: #cbd5e1;
}

.page-prose p {
  margin-bottom: 1.25rem;
}

/* Studio Bottom Status Bar */
.studio-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1.25rem;
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.status-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

@media (max-width: 1100px) {
  .studio-workspace-split {
    grid-template-columns: 1fr;
  }
  .studio-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }
}