/* ─── Canvas / Preview Panel ─────────────────────────────────── */
/* Shared canvas styles — imported by any page that uses canvas */

.chat-body-wrap{
  display:flex;flex:1;overflow:hidden;min-height:0;
}
.chat-body-wrap .chat-messages{flex:1;min-width:0;transition:flex .3s ease}
.chat-body-wrap.canvas-open .chat-messages{flex:0 0 55%}
.chat-body-wrap.canvas-resizing .chat-messages{transition:none}

.canvas-panel{
  width:0;overflow:hidden;
  background:var(--bg-surface);
  border-left:1px solid var(--border-dim);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  display:flex;flex-direction:column;
  transition:width .3s ease,opacity .3s ease;
  opacity:0;
  position:relative;
}
.chat-body-wrap.canvas-open .canvas-panel{
  width:45%;opacity:1;
}
.chat-body-wrap.canvas-resizing .canvas-panel{transition:none}

/* Standalone mount (FAB-style pages: /processes, /project-agents).
   The wrap is a fixed right-side container; reveal the inner panel to
   fill it when a file is open. */
.canvas-standalone-wrap{height:100%}
.canvas-standalone-wrap.canvas-open .canvas-panel{width:100%;opacity:1;height:100%}

/* Drag handle on the left edge of the canvas panel */
.canvas-resize-handle{
  position:absolute;left:0;top:0;bottom:0;width:5px;
  cursor:col-resize;z-index:10;
  background:transparent;
  transition:background .15s;
}
.canvas-resize-handle:hover,
.canvas-resize-handle.dragging{
  background:var(--accent);
  opacity:.35;
}
.canvas-header{
  display:flex;align-items:center;gap:8px;
  padding:10px 14px;
  border-bottom:1px solid var(--border-dim);
  flex-shrink:0;
}
.canvas-file-icon{
  font-size:16px;flex-shrink:0;
}
.canvas-filename{
  flex:1;font-family:var(--font-mono);font-size:12px;font-weight:500;
  color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.canvas-header-btn{
  width:28px;height:28px;border-radius:6px;border:1px solid var(--border-dim);
  background:transparent;color:var(--text-muted);cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:13px;
  transition:all .2s;flex-shrink:0;
}
.canvas-header-btn:hover{border-color:var(--border-glow);color:var(--text-secondary)}
.canvas-content{
  flex:1;overflow:auto;padding:0;min-height:0;
}
.canvas-content iframe{
  width:100%;height:100%;border:none;background:#fff;
}
.canvas-content img{
  max-width:100%;height:auto;display:block;margin:0 auto;padding:12px;
}
.canvas-content pre{
  margin:0;padding:12px 14px;font-family:var(--font-mono);font-size:12px;
  line-height:1.6;color:var(--text-primary);white-space:pre-wrap;word-break:break-word;
}
.canvas-content .canvas-md{
  padding:16px 18px;font-size:13px;line-height:1.7;color:var(--text-primary);
}
.canvas-content .canvas-md h1,.canvas-content .canvas-md h2,.canvas-content .canvas-md h3{
  font-family:var(--font-display);margin:1em 0 .5em;
}
.canvas-content .canvas-md h1{font-size:22px}
.canvas-content .canvas-md h2{font-size:18px}
.canvas-content .canvas-md h3{font-size:15px}
.canvas-content .canvas-md p{margin:0 0 .8em}
.canvas-content .canvas-md code{
  font-family:var(--font-mono);font-size:12px;background:var(--bg-input);
  padding:1px 5px;border-radius:4px;
}
.canvas-content .canvas-md pre{
  background:var(--bg-input);border:1px solid var(--border-dim);
  border-radius:8px;padding:10px 12px;margin:8px 0;overflow-x:auto;
}
.canvas-content .canvas-md ul,.canvas-content .canvas-md ol{
  padding-left:1.5em;margin:0 0 .8em;
}
.canvas-csv-table{
  width:100%;border-collapse:collapse;font-size:12px;font-family:var(--font-mono);
}
.canvas-csv-table th{
  position:sticky;top:0;background:var(--bg-card);
  padding:8px 10px;text-align:left;font-weight:600;color:var(--accent);
  border-bottom:2px solid var(--border-glow);cursor:pointer;user-select:none;
  white-space:nowrap;
}
.canvas-csv-table th:hover{color:var(--text-primary)}
.canvas-csv-table td{
  padding:6px 10px;border-bottom:1px solid var(--border-dim);
  color:var(--text-secondary);white-space:nowrap;
}
.canvas-csv-table tr:hover td{background:var(--accent-bg)}

.download-btn{
  display:inline-flex;align-items:center;gap:4px;
  padding:3px 10px;margin:2px 0;border-radius:6px;
  border:1px solid var(--border-glow);
  background:var(--accent-bg);color:var(--accent);
  font-family:var(--font-sans);font-size:11px;font-weight:500;
  cursor:pointer;transition:all .2s;vertical-align:middle;
}
.download-btn:hover{background:var(--accent);color:#000;border-color:var(--accent)}

.canvas-btn{
  display:inline-flex;align-items:center;gap:4px;
  padding:3px 10px;margin:2px 0;border-radius:6px;
  border:1px solid rgba(139,92,246,0.2);
  background:var(--purple-bg);color:var(--purple);
  font-family:var(--font-sans);font-size:11px;font-weight:500;
  cursor:pointer;transition:all .2s;vertical-align:middle;
}
.canvas-btn:hover{background:rgba(139,92,246,0.25);border-color:rgba(139,92,246,0.4)}
.canvas-toggle-btn{
  font-family:var(--font-mono);font-size:10px;font-weight:500;
  padding:6px 12px;border-radius:8px;
  border:1px solid var(--border-dim);background:transparent;
  color:var(--text-muted);cursor:pointer;transition:all .2s;
}
.canvas-toggle-btn:hover{border-color:var(--border-glow);color:var(--text-secondary)}
.canvas-toggle-btn.active{border-color:rgba(139,92,246,0.3);color:var(--purple);background:var(--purple-bg)}

/* ─── DOCX Canvas Styles ─────────────────────────────────────── */
.canvas-docx{
  padding:20px 24px;font-size:13px;line-height:1.7;color:var(--text-primary);
}
.canvas-docx h1,.canvas-docx h2,.canvas-docx h3{font-family:var(--font-display);margin:1em 0 .5em}
.canvas-docx h1{font-size:22px}
.canvas-docx h2{font-size:18px}
.canvas-docx h3{font-size:15px}
.canvas-docx p{margin:0 0 .8em}
.canvas-docx table{width:100%;border-collapse:collapse;margin:8px 0}
.canvas-docx table td,.canvas-docx table th{
  padding:6px 10px;border:1px solid var(--border-dim);color:var(--text-secondary);font-size:12px;
}
.canvas-docx img{max-width:100%;height:auto}

/* ─── PPTX Slide Viewer Styles ───────────────────────────────── */
.pptx-viewer{padding:16px;display:flex;flex-direction:column;gap:12px;height:100%}
.pptx-nav{
  display:flex;align-items:center;justify-content:center;gap:12px;
  padding:8px 0;flex-shrink:0;
}
.pptx-nav-btn{
  padding:6px 16px;border-radius:8px;
  border:1px solid var(--border-dim);background:var(--bg-card);
  color:var(--text-primary);font-family:var(--font-sans);font-size:12px;font-weight:500;
  cursor:pointer;transition:all .2s;
}
.pptx-nav-btn:hover:not(:disabled){border-color:var(--border-glow);background:var(--accent-bg)}
.pptx-nav-btn:disabled{opacity:0.3;cursor:default}
.pptx-slide-counter{font-family:var(--font-mono);font-size:11px;color:var(--text-muted)}
.pptx-slide{
  flex:1;overflow:auto;
  background:var(--bg-card);border:1px solid var(--border-dim);border-radius:var(--radius);
  padding:24px 28px;
}
.pptx-slide-title{
  font-family:var(--font-display);font-size:18px;font-weight:700;
  margin-bottom:12px;color:var(--accent);
}
.pptx-slide-text{font-size:13px;line-height:1.7;color:var(--text-primary)}
.pptx-slide-text p{margin:0 0 .6em}
.pptx-slide-images{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.pptx-slide-images img{max-width:100%;height:auto;border-radius:8px;border:1px solid var(--border-dim)}

/* ─── XLSX Tab Styles ────────────────────────────────────────── */
.canvas-xlsx-tabs{
  display:flex;gap:4px;padding:8px 12px;border-bottom:1px solid var(--border-dim);
  flex-shrink:0;overflow-x:auto;
}
.canvas-xlsx-tabs button{
  padding:5px 14px;border-radius:6px;
  border:1px solid var(--border-dim);background:transparent;
  color:var(--text-muted);font-family:var(--font-mono);font-size:11px;font-weight:500;
  cursor:pointer;transition:all .2s;white-space:nowrap;
}
.canvas-xlsx-tabs button:hover{border-color:var(--border-glow);color:var(--text-secondary)}
.canvas-xlsx-tabs button.active{
  border-color:var(--accent);color:var(--accent);background:var(--accent-bg);
}

/* ─── JSON Tree View Styles ──────────────────────────────────── */
.json-tree{
  padding:14px 16px;font-family:var(--font-mono);font-size:12px;line-height:1.7;
  color:var(--text-primary);
}
.json-tree ul{list-style:none;padding-left:20px;margin:0}
.json-tree>ul{padding-left:0}
.json-toggle{
  cursor:pointer;user-select:none;display:inline-block;width:14px;text-align:center;
  color:var(--text-muted);font-size:10px;margin-right:2px;transition:transform .15s;
}
.json-toggle:hover{color:var(--text-primary)}
.json-key{color:var(--purple)}
.json-string{color:var(--green)}
.json-number{color:var(--accent-soft)}
.json-bool{color:var(--amber)}
.json-null{color:var(--text-muted);font-style:italic}
.json-bracket{color:var(--text-muted)}
.json-summary{color:var(--text-muted);font-size:11px;font-style:italic}
.json-children{overflow:hidden}
.json-children.collapsed{display:none}

/* ─── Presentation (Fullscreen) Mode ─────────────────────────── */
.canvas-panel.canvas-fullscreen{
  position:fixed !important;
  top:0;left:0;right:0;bottom:0;
  width:100vw !important;height:100vh !important;
  z-index:9998;
  border-left:none;
  background:var(--bg-primary, var(--bg-surface));
  opacity:1 !important;
}
.canvas-panel.canvas-fullscreen .canvas-resize-handle{display:none}
body.canvas-fullscreen-active{overflow:hidden}

.canvas-presentation-nav{
  position:fixed;
  bottom:12px;left:12px;
  display:flex;align-items:center;gap:4px;
  padding:3px 5px;
  background:var(--bg-card);
  border:1px solid var(--border-dim);
  border-radius:8px;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  z-index:10000;
  box-shadow:0 4px 12px rgba(0,0,0,.3);
  max-width:calc(100vw - 24px);
  opacity:.18;
  transition:opacity .25s ease;
}
.canvas-presentation-nav:hover{opacity:1}
.canvas-presentation-nav .presentation-nav-btn{
  padding:2px 7px;border-radius:5px;
  border:1px solid transparent;background:transparent;
  color:var(--text-primary);font-family:var(--font-sans);font-size:10px;font-weight:500;
  cursor:pointer;transition:all .15s;white-space:nowrap;line-height:1.4;
}
.canvas-presentation-nav .presentation-nav-btn:hover:not(:disabled){
  border-color:var(--border-dim);background:var(--accent-bg);
}
.canvas-presentation-nav .presentation-nav-btn:disabled{opacity:.3;cursor:default}
.canvas-presentation-nav .presentation-nav-btn.presentation-exit{
  margin-left:2px;padding:2px 6px;
}
.canvas-presentation-nav .presentation-counter{
  font-family:var(--font-mono);font-size:9px;color:var(--text-muted);
  padding:0 4px;max-width:25vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ─── SVG Canvas Styles ──────────────────────────────────────── */
.canvas-svg{
  padding:16px;display:flex;align-items:center;justify-content:center;
  min-height:200px;background:rgba(30,30,30,0.5);border-radius:8px;margin:12px;
}
.canvas-svg svg{max-width:100%;height:auto}

/* ─── Draw mode (Excalidraw) ─────────────────────────────────── */
.canvas-mode-menu-wrap{position:relative;flex-shrink:0}
.canvas-mode-menu{
  position:absolute;top:32px;right:0;min-width:240px;max-width:320px;
  background:var(--bg-surface);border:1px solid var(--border-dim);border-radius:8px;
  box-shadow:0 8px 24px rgba(0,0,0,.4);
  padding:6px;z-index:50;
  max-height:60vh;overflow-y:auto;
}
.canvas-mode-menu .menu-section{
  font-family:var(--font-mono);font-size:9px;color:var(--text-muted);
  text-transform:uppercase;letter-spacing:.08em;
  padding:6px 8px 4px;
}
.canvas-mode-menu .menu-item{
  display:flex;align-items:center;gap:8px;
  width:100%;text-align:left;
  padding:7px 8px;border-radius:6px;
  border:none;background:transparent;color:var(--text-primary);
  font-family:var(--font-sans);font-size:12px;cursor:pointer;
  transition:background .15s;
}
.canvas-mode-menu .menu-item:hover{background:var(--accent-bg)}
.canvas-mode-menu .menu-item .menu-name{
  flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.canvas-mode-menu .menu-item .menu-meta{
  font-family:var(--font-mono);font-size:10px;color:var(--text-muted);flex-shrink:0;
}
.canvas-mode-menu .menu-row{
  display:flex;align-items:stretch;gap:2px;
}
.canvas-mode-menu .menu-row .menu-item{flex:1;min-width:0}
.canvas-mode-menu .menu-row-action{
  flex-shrink:0;display:flex;align-items:center;justify-content:center;
  width:26px;
  border:none;background:transparent;color:var(--text-muted);
  border-radius:6px;cursor:pointer;font-size:12px;
  transition:background .15s, color .15s;
}
.canvas-mode-menu .menu-row-action:hover{background:var(--accent-bg);color:var(--text-primary)}
.canvas-mode-menu .menu-row-action.menu-row-danger:hover{color:#ef4444}
.canvas-mode-menu .menu-empty{
  padding:10px 8px;color:var(--text-muted);font-size:11px;font-style:italic;
}
.canvas-mode-menu .menu-divider{
  height:1px;background:var(--border-dim);margin:4px 2px;
}

.canvas-draw-host{
  flex:1;display:flex;flex-direction:column;min-height:0;background:#fff;
}
.canvas-draw-host .excalidraw-wrap{flex:1;min-height:0;position:relative}
.canvas-draw-host .excalidraw .App-menu_top{font-family:var(--font-sans)}
.canvas-draw-status{
  flex-shrink:0;display:flex;align-items:center;gap:8px;
  padding:6px 12px;border-top:1px solid var(--border-dim);
  background:var(--bg-surface);
  font-family:var(--font-mono);font-size:10px;color:var(--text-muted);
}
.canvas-draw-status .status-dot{
  width:7px;height:7px;border-radius:50%;background:var(--text-muted);
}
.canvas-draw-status.dirty .status-dot{background:#f59e0b}
.canvas-draw-status.saved .status-dot{background:#10b981}
.canvas-draw-status .save-btn{
  margin-left:auto;padding:3px 10px;border-radius:5px;
  border:1px solid var(--border-glow);background:var(--accent-bg);color:var(--accent);
  font-family:var(--font-sans);font-size:10px;font-weight:500;cursor:pointer;
}
.canvas-draw-status .save-btn:hover{background:var(--accent);color:#000}
.canvas-draw-status .save-btn:disabled{opacity:.4;cursor:default}
.canvas-draw-loading{
  flex:1;display:flex;align-items:center;justify-content:center;
  color:var(--text-muted);font-size:12px;
}