/* ═══════════════════════════════════════════════
   Editor Page Styles
═══════════════════════════════════════════════ */

.editor-body {
  overflow: hidden;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ─── EDITOR NAV ─── */
.editor-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 52px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  gap: 16px;
}

.nav-brand.compact .nav-name { font-size: 15px; }

.editor-doc-info {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  max-width: 400px;
}

.doc-title-input {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  padding: 5px 10px;
  outline: none;
  transition: all 0.2s;
  min-width: 0;
  flex: 1;
}

.doc-title-input:hover { border-color: var(--border2); }
.doc-title-input:focus {
  border-color: var(--accent);
  background: var(--bg3);
}

.doc-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text3);
  white-space: nowrap;
  flex-shrink: 0;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text3);
  transition: background 0.3s;
}

.status-dot.compiling { background: var(--accent); animation: pulse 1s ease infinite; }
.status-dot.success { background: var(--green); }
.status-dot.error { background: var(--red); }

@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }

.editor-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.btn-icon {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text2);
  padding: 6px 12px;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-icon:hover { border-color: var(--accent); color: var(--accent); }

.btn-editor-compile {
  display: flex;
  align-items: center;
  gap: 7px;
  background: var(--accent);
  color: #0f0f0f;
  border: none;
  padding: 7px 18px;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.3px;
}

.btn-editor-compile:hover { background: #d4b87a; box-shadow: 0 0 20px rgba(200,169,110,0.3); }
.btn-editor-compile:disabled { opacity: 0.5; cursor: not-allowed; }

.download-group {
  display: flex;
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  overflow: hidden;
}

.btn-download {
  background: var(--bg3);
  border: none;
  border-right: 1px solid var(--border2);
  color: var(--text2);
  padding: 6px 14px;
  font-family: var(--font-sans);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-download:last-child { border-right: none; }
.btn-download:hover { background: var(--bg4); color: var(--text); }
.btn-download:disabled { opacity: 0.4; cursor: not-allowed; }

.nav-auth-mini {
  display: flex;
  align-items: center;
}

/* ─── EDITOR LAYOUT ─── */
.editor-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}

.editor-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.code-panel {
  width: 50%;
  min-width: 280px;
  border-right: 1px solid var(--border);
  background: var(--bg);
  position: relative;
}

.preview-panel {
  flex: 1;
  background: var(--bg2);
}

/* ─── PANEL TOOLBAR ─── */
.panel-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  height: 38px;
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.panel-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text3);
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.tool-btn {
  background: none;
  border: 1px solid transparent;
  color: var(--text3);
  padding: 3px 8px;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.tool-btn:hover {
  background: var(--bg4);
  border-color: var(--border2);
  color: var(--text2);
}

.zoom-label {
  font-size: 12px;
  color: var(--text3);
  min-width: 40px;
  text-align: center;
}

/* ─── CODE EDITOR ─── */
.code-editor-wrap {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
}

.line-numbers {
  width: 44px;
  padding: 16px 0;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--text3);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  overflow: hidden;
  user-select: none;
  flex-shrink: 0;
  padding-right: 10px;
}

.code-editor {
  flex: 1;
  background: var(--bg);
  color: var(--text);
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  padding: 16px;
  resize: none;
  tab-size: 2;
  overflow-y: scroll;
  overflow-x: auto;
  white-space: pre;
  word-wrap: normal;
}

.code-editor::selection { background: rgba(200,169,110,0.2); }

/* ─── ERROR PANEL ─── */
.error-panel {
  background: rgba(224,82,82,0.08);
  border-top: 1px solid rgba(224,82,82,0.3);
  max-height: 160px;
  overflow-y: auto;
  flex-shrink: 0;
}

.error-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--red);
  border-bottom: 1px solid rgba(224,82,82,0.2);
}

.error-close {
  background: none;
  border: none;
  color: var(--red);
  cursor: pointer;
  font-size: 14px;
}

.error-list {
  padding: 8px 16px;
}

.error-item {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #f87171;
  padding: 3px 0;
  line-height: 1.4;
}

/* ─── RESIZER ─── */
.resizer {
  width: 4px;
  background: var(--border);
  cursor: col-resize;
  flex-shrink: 0;
  transition: background 0.2s;
  position: relative;
}

.resizer:hover, .resizer.dragging { background: var(--accent); }

/* ─── PREVIEW PANEL ─── */
.preview-container {
  flex: 1;
  overflow: auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg2);
}

.preview-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text2);
  text-align: center;
  padding: 40px;
}

.placeholder-icon { font-size: 48px; opacity: 0.5; }

.preview-placeholder h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--text2);
}

.preview-placeholder p {
  font-size: 14px;
  color: var(--text3);
}

.preview-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  color: var(--text2);
}

/* PDF.js canvas-based preview — no iframe, works in any sandboxed context */
.pdf-canvas-container {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  overflow-x: auto;
  background: #525659;
  padding: 16px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.pdf-page-wrapper {
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
  margin-bottom: 12px;
  line-height: 0;
  background: #fff;
}

.pdf-page-wrapper canvas {
  display: block;
  max-width: 100%;
}

/* ─── SNIPPET PANEL ─── */
.snippet-panel {
  position: absolute;
  top: 38px;
  right: 0;
  width: 220px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 50;
}

.snippet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  color: var(--text2);
}

.snippet-header button {
  background: none;
  border: none;
  color: var(--text3);
  cursor: pointer;
  font-size: 14px;
}

.snippet-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 8px;
}

.snippet-btn {
  background: var(--bg4);
  border: 1px solid var(--border);
  color: var(--text2);
  padding: 8px;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 12px;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s;
}

.snippet-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ─── SYNTAX HIGHLIGHT COLORS ─── */
.code-editor-wrap {
  position: relative;
}