:root{--bg:#0f1117;--surface:#1a1d27;--surface2:#232638;--border:#2d3148;--text:#e2e8f0;--text-muted:#8892a4;--accent:#6366f1;--accent-hover:#818cf8;--danger:#ef4444;--success:#10b981;--radius:10px;--nav-h:64px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{background:var(--bg);height:100%;color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Helvetica Neue,sans-serif;font-size:16px}.app{flex-direction:column;max-width:900px;height:100%;margin:0 auto;display:flex}.main-content{padding-bottom:var(--nav-h);flex:1;overflow:hidden}.bottom-nav{width:100%;max-width:900px;height:var(--nav-h);background:var(--surface);border-top:1px solid var(--border);z-index:100;padding-bottom:env(safe-area-inset-bottom);display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.nav-btn{color:var(--text-muted);cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:none;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;transition:color .15s;display:flex}.nav-btn.active{color:var(--accent)}.nav-btn:hover{color:var(--text)}.nav-icon{font-size:20px}.nav-label{letter-spacing:.02em;font-size:11px}.capture-container{flex-direction:column;gap:12px;height:100%;padding:16px;display:flex}.capture-header{justify-content:space-between;align-items:center;display:flex}.mode-title{color:var(--text-muted);font-size:18px;font-weight:600}.input-mode-toggle{background:var(--surface2);border-radius:8px;gap:3px;padding:3px;display:flex}.toggle-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:5px 14px;font-size:13px;transition:all .15s}.toggle-btn.active{background:var(--accent);color:#fff}.capture-title-input{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:100%;color:var(--text);outline:none;padding:12px 16px;font-size:18px;font-weight:600}.capture-title-input:focus{border-color:var(--accent)}.capture-body-input{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:100%;color:var(--text);resize:none;outline:none;flex:1;padding:14px 16px;font-family:inherit;font-size:15px;line-height:1.6}.capture-body-input:focus{border-color:var(--accent)}.capture-actions{gap:10px;display:flex}.image-drop{background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius);justify-content:center;align-items:center;min-height:120px;transition:all .15s;display:flex}.image-drop.drag-over{border-color:var(--accent);background:var(--surface2)}.image-empty{text-align:center;color:var(--text-muted);cursor:pointer;width:100%;padding:20px}.image-empty .hint{margin-top:6px;font-size:12px}.image-preview{width:100%;padding:8px;position:relative}.image-preview img{border-radius:6px;max-width:100%;max-height:400px;margin:0 auto;display:block}.image-remove{background:#0009;position:absolute;top:12px;right:12px}.hint-text{color:var(--text-muted);font-size:11px}.editor-image-wrap{background:var(--surface);border-bottom:1px solid var(--border);padding:12px 16px}.card-image{aspect-ratio:16/10;background:var(--surface2);border-radius:6px;width:100%;margin-bottom:8px;overflow:hidden}.card-image img{object-fit:cover;width:100%;height:100%}.preview-image{border-radius:6px;max-width:100%;margin-bottom:12px}.canvas-board{background-image:radial-gradient(circle, var(--border) 1px, transparent 1px);background-size:24px 24px;width:100%;height:100%;position:relative;overflow:auto}.canvas-empty{text-align:center;color:var(--text-muted);position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.canvas-empty .hint{margin-top:6px;font-size:13px}.canvas-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);cursor:grab;-webkit-user-select:none;user-select:none;width:200px;padding:12px;transition:box-shadow .15s;position:absolute}.canvas-card:hover{border-color:var(--accent);box-shadow:0 4px 20px #6366f133}.canvas-card.dragging{cursor:grabbing;z-index:10;box-shadow:0 8px 30px #0006}.card-title{color:var(--text);white-space:nowrap;text-overflow:ellipsis;margin-bottom:6px;font-size:13px;font-weight:600;overflow:hidden}.card-preview{color:var(--text-muted);max-height:60px;font-size:11px;line-height:1.5;overflow:hidden}.card-has-sketch{color:var(--text-muted);margin-top:6px;font-size:11px}.card-actions{opacity:0;gap:6px;margin-top:10px;transition:opacity .15s;display:flex}.canvas-card:hover .card-actions{opacity:1}.editor-container{flex-direction:column;height:100%;display:flex}.editor-toolbar{border-bottom:1px solid var(--border);background:var(--surface);align-items:center;gap:10px;padding:12px 16px;display:flex}.editor-title-input{color:var(--text);background:0 0;border:none;outline:none;flex:1;font-size:18px;font-weight:600}.toolbar-actions{flex-shrink:0;align-items:center;gap:8px;display:flex}.editor-body{flex-direction:column;flex:1;display:flex;overflow:hidden}.editor-textarea{background:var(--bg);color:var(--text);resize:none;border:none;outline:none;flex:1;padding:20px;font-family:SF Mono,Fira Code,monospace;font-size:15px;line-height:1.8}.editor-preview{flex:1;padding:20px;line-height:1.8;overflow-y:auto}.editor-preview p{min-height:1em;margin-bottom:8px}.wiki-link{color:var(--accent);cursor:pointer;text-underline-offset:2px;text-decoration:underline}.wiki-link.missing{color:var(--text-muted);text-decoration-style:dashed}.editor-links{border-top:1px solid var(--border);background:var(--surface);flex-direction:column;gap:8px;min-height:0;padding:12px 16px;display:flex}.links-section{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.links-label{color:var(--text-muted);white-space:nowrap;font-size:11px}.link-chip{background:var(--surface2);border:1px solid var(--border);color:var(--accent);cursor:pointer;border-radius:6px;padding:3px 10px;font-size:12px;transition:background .15s}.link-chip:hover{background:var(--accent);color:#fff}.btn-primary{background:var(--accent);color:#fff;cursor:pointer;white-space:nowrap;border:none;border-radius:8px;padding:10px 20px;font-size:14px;font-weight:600;transition:background .15s}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-primary.btn-saved{background:var(--success)}.btn-secondary{background:var(--surface2);color:var(--text);border:1px solid var(--border);cursor:pointer;white-space:nowrap;border-radius:8px;padding:10px 20px;font-size:14px;transition:background .15s}.btn-secondary:hover{background:var(--border)}.btn-secondary:disabled{opacity:.5}.btn-ghost{border:1px solid var(--border);color:var(--text-muted);cursor:pointer;background:0 0;border-radius:6px;padding:5px 10px;font-size:12px;transition:all .15s}.btn-ghost:hover{color:var(--text);border-color:var(--text-muted)}.btn-ghost.active{color:var(--accent);border-color:var(--accent)}.btn-ghost.btn-danger:hover{color:var(--danger);border-color:var(--danger)}kbd{background:var(--surface2);border:1px solid var(--border);color:var(--text-muted);border-radius:4px;padding:1px 5px;font-size:10px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}