:root{--bg-canvas: #f5f0eb;--bg-surface: #ffffff;--bg-surface-hover: #faf8f5;--bg-dock: #eae4dc;--bg-sidebar: #2c2825;--text-primary: #1a1715;--text-secondary: #6b6460;--text-muted: #9e9590;--text-on-dark: #f5f0eb;--accent-evidence: #8b9da6;--accent-idea: #d4a574;--accent-question: #c4854c;--accent-decision: #6b8f71;--accent-task: #7b8fb2;--accent-select: #3d5a80;--accent-hover: rgba(61, 90, 128, .08);--border-default: #ddd5cc;--border-strong: #c4bab0;--cluster-1: rgba(212, 165, 116, .12);--cluster-2: rgba(139, 157, 166, .12);--cluster-3: rgba(107, 143, 113, .12);--cluster-4: rgba(123, 143, 178, .12);--cluster-5: rgba(196, 133, 76, .12);--shadow-block: 0 1px 3px rgba(26, 23, 21, .06), 0 1px 2px rgba(26, 23, 21, .04);--shadow-block-hover: 0 4px 12px rgba(26, 23, 21, .08), 0 2px 4px rgba(26, 23, 21, .04);--shadow-block-drag: 0 8px 24px rgba(26, 23, 21, .12), 0 4px 8px rgba(26, 23, 21, .06);--grid-unit: 8px;--block-padding: 16px;--block-radius: 8px;--cluster-radius: 12px;--font-display: "DM Serif Display", Georgia, serif;--font-body: "IBM Plex Sans", -apple-system, sans-serif;--font-mono: "IBM Plex Mono", "SF Mono", monospace;--sidebar-width: 260px;--toolbar-height: 52px;--dock-height: 80px;--rail-width: 300px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden}body{font-family:var(--font-body);font-size:14px;color:var(--text-primary);background:var(--bg-canvas);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app-layout{display:grid;grid-template-columns:auto 1fr auto;grid-template-rows:var(--toolbar-height) 1fr auto;grid-template-areas:"sidebar toolbar toolbar" "sidebar canvas  rail" "sidebar dock    rail";height:100vh;width:100vw}.app-layout.sidebar-collapsed{grid-template-columns:0 1fr auto}.app-layout.rail-collapsed{grid-template-columns:auto 1fr 0}.app-layout.sidebar-collapsed.rail-collapsed{grid-template-columns:0 1fr 0}.toolbar{grid-area:toolbar;display:flex;align-items:center;gap:12px;padding:0 16px;background:var(--bg-surface);border-bottom:1px solid var(--border-default);z-index:100}.toolbar__title{font-family:var(--font-display);font-size:20px;color:var(--text-primary);border:none;background:transparent;outline:none;padding:4px 8px;border-radius:4px;min-width:120px}.toolbar__title:hover{background:var(--accent-hover)}.toolbar__title:focus{background:var(--bg-surface);box-shadow:0 0 0 2px var(--accent-select)}.toolbar__spacer{flex:1}.toolbar__btn{display:flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--border-default);border-radius:6px;background:var(--bg-surface);color:var(--text-secondary);font-size:13px;font-family:var(--font-body);cursor:pointer;transition:all .15s ease}.toolbar__btn:hover{background:var(--bg-surface-hover);color:var(--text-primary);border-color:var(--border-strong)}.toolbar__btn--active{background:var(--accent-select);color:#fff;border-color:var(--accent-select)}.sidebar{grid-area:sidebar;width:var(--sidebar-width);background:var(--bg-sidebar);color:var(--text-on-dark);display:flex;flex-direction:column;overflow:hidden;transition:width .25s ease;z-index:100}.sidebar-collapsed .sidebar{width:0}.sidebar__header{padding:14px 16px;font-family:var(--font-display);font-size:18px;letter-spacing:.5px;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar__search{padding:8px 12px}.sidebar__search input{width:100%;padding:8px 12px;background:#ffffff0f;border:1px solid rgba(255,255,255,.1);border-radius:6px;color:var(--text-on-dark);font-size:13px;font-family:var(--font-body);outline:none}.sidebar__search input:focus{border-color:#ffffff40;background:#ffffff1a}.sidebar__search input::placeholder{color:#ffffff59}.sidebar__boards{flex:1;overflow-y:auto;padding:8px 0}.sidebar__board-item{display:flex;align-items:center;gap:10px;padding:10px 16px;cursor:pointer;transition:background .12s ease;border-left:3px solid transparent}.sidebar__board-item:hover{background:#ffffff0d}.sidebar__board-item--active{background:#ffffff14;border-left-color:var(--accent-idea)}.sidebar__board-title{font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar__board-meta{font-size:11px;font-family:var(--font-mono);color:#fff6}.sidebar__new-btn{margin:8px 12px;padding:10px;background:#ffffff0f;border:1px dashed rgba(255,255,255,.15);border-radius:6px;color:#ffffff80;font-size:13px;font-family:var(--font-body);cursor:pointer;text-align:center;transition:all .15s ease}.sidebar__new-btn:hover{background:#ffffff1a;border-color:#ffffff40;color:var(--text-on-dark)}.canvas-container{grid-area:canvas;position:relative;overflow:hidden;background:var(--bg-canvas);cursor:grab}.canvas-container:active,.canvas-container.space-dragging{cursor:grabbing}.canvas__surface{position:absolute;top:0;left:0;transform-origin:0 0;will-change:transform}.canvas-container:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(circle,var(--border-default) 1px,transparent 1px);background-size:24px 24px;opacity:.5;pointer-events:none;z-index:0}.selection-box{position:absolute;border:1px solid var(--accent-select);background:#3d5a8014;pointer-events:none;z-index:9999}.block{position:absolute;background:var(--bg-surface);border-radius:var(--block-radius);box-shadow:var(--shadow-block);border:1px solid var(--border-default);border-left:3px solid var(--border-default);cursor:default;-webkit-user-select:none;user-select:none;transition:box-shadow .15s ease,transform .1s ease;overflow:hidden}.block:hover{box-shadow:var(--shadow-block-hover)}.block--selected{box-shadow:var(--shadow-block-hover);outline:2px solid var(--accent-select);outline-offset:-1px}.block--dragging{box-shadow:var(--shadow-block-drag);transform:scale(1.02);z-index:10000!important;opacity:.95}.block--pinned{border-style:solid}.block--collapsed{height:auto!important;max-height:42px}.block--evidence{border-left-color:var(--accent-evidence)}.block--idea{border-left-color:var(--accent-idea)}.block--question{border-left-color:var(--accent-question);background:#c4854c08}.block--decision{border-left-color:var(--accent-decision)}.block--task{border-left-color:var(--accent-task)}.block__header{display:flex;align-items:center;gap:6px;padding:8px 10px;font-size:11px;font-family:var(--font-mono);font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border-default)}.block__badge{width:18px;height:18px;display:flex;align-items:center;justify-content:center;border-radius:4px;font-size:11px;font-weight:600}.block__badge--question{background:#c4854c26;color:var(--accent-question)}.block__badge--decision{background:#6b8f7126;color:var(--accent-decision)}.block__badge--task{background:#7b8fb226;color:var(--accent-task)}.block__content{padding:var(--block-padding);font-size:14px;line-height:1.5;color:var(--text-primary);min-height:40px}.block__content[contenteditable=true]{outline:none;cursor:text}.block__content[contenteditable=true]:focus{background:#3d5a8005}.block__tags{display:flex;flex-wrap:wrap;gap:4px;padding:0 var(--block-padding) 10px}.block__tag{font-size:11px;font-family:var(--font-mono);color:var(--accent-select);background:#3d5a800f;padding:2px 6px;border-radius:3px}.block__actions{position:absolute;top:4px;right:4px;display:flex;gap:2px;opacity:0;transition:opacity .15s ease}.block:hover .block__actions{opacity:1}.block__action-btn{width:24px;height:24px;display:flex;align-items:center;justify-content:center;border:none;background:#ffffffe6;border-radius:4px;cursor:pointer;font-size:12px;color:var(--text-muted);transition:all .12s ease}.block__action-btn:hover{background:var(--bg-surface);color:var(--text-primary);box-shadow:0 1px 3px #0000001a}.block__resize{position:absolute;bottom:0;right:0;width:12px;height:12px;cursor:nwse-resize;opacity:0;transition:opacity .15s}.block:hover .block__resize{opacity:1}.block__resize:after{content:"";position:absolute;bottom:3px;right:3px;width:6px;height:6px;border-right:2px solid var(--border-strong);border-bottom:2px solid var(--border-strong)}.link-block__preview{width:100%;height:120px;object-fit:cover;border-bottom:1px solid var(--border-default)}.link-block__meta{padding:var(--block-padding)}.link-block__domain{display:flex;align-items:center;gap:6px;font-size:11px;font-family:var(--font-mono);color:var(--text-muted);margin-bottom:6px}.link-block__favicon{width:14px;height:14px;border-radius:2px}.link-block__title{font-size:14px;font-weight:500;line-height:1.4;margin-bottom:4px}.link-block__desc{font-size:12px;color:var(--text-secondary);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.quote-block__text{padding:var(--block-padding);padding-left:24px;font-style:italic;color:var(--text-secondary);line-height:1.6;border-left:3px solid var(--accent-evidence);margin:12px var(--block-padding)}.quote-block__source{padding:0 var(--block-padding) 12px;font-size:12px;font-family:var(--font-mono);color:var(--text-muted)}.task-block{display:flex;align-items:flex-start;gap:10px;padding:var(--block-padding)}.task-block__checkbox{width:18px;height:18px;border:2px solid var(--accent-task);border-radius:4px;cursor:pointer;flex-shrink:0;margin-top:2px;display:flex;align-items:center;justify-content:center;transition:all .15s ease}.task-block__checkbox--checked{background:var(--accent-task);color:#fff}.task-block__text{flex:1;font-size:14px;line-height:1.5}.task-block__text--completed{text-decoration:line-through;color:var(--text-muted)}.task-block__assignee{font-size:11px;font-family:var(--font-mono);color:var(--text-muted);padding:0 var(--block-padding) 10px}.cluster{position:absolute;border:1.5px dashed var(--border-strong);border-radius:var(--cluster-radius);pointer-events:none}.cluster__header{position:absolute;top:-12px;left:16px;padding:2px 10px;background:var(--bg-canvas);font-family:var(--font-display);font-size:13px;color:var(--text-secondary);pointer-events:auto;cursor:text;border-radius:4px}.cluster__header:hover{background:var(--bg-surface-hover)}.idea-dock{grid-area:dock;display:flex;align-items:center;gap:10px;padding:10px 16px;background:var(--bg-dock);border-top:1px solid var(--border-default);overflow-x:auto;overflow-y:hidden;z-index:50}.idea-dock::-webkit-scrollbar{height:4px}.idea-dock::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:2px}.idea-dock__badge{position:absolute;top:-6px;right:-6px;min-width:18px;height:18px;padding:0 5px;background:var(--accent-question);color:#fff;font-size:10px;font-weight:600;border-radius:9px;display:flex;align-items:center;justify-content:center}.dock-card{flex-shrink:0;width:140px;height:56px;padding:8px 10px;background:var(--bg-surface);border:1px solid var(--border-default);border-radius:6px;font-size:12px;line-height:1.3;color:var(--text-secondary);overflow:hidden;cursor:grab;transition:box-shadow .15s ease}.dock-card:hover{box-shadow:var(--shadow-block-hover)}.dock-card__type{font-size:9px;font-family:var(--font-mono);text-transform:uppercase;color:var(--text-muted);margin-bottom:3px}.idea-dock__add{flex-shrink:0;width:56px;height:56px;display:flex;align-items:center;justify-content:center;border:1px dashed var(--border-strong);border-radius:6px;font-size:20px;color:var(--text-muted);cursor:pointer;background:transparent;transition:all .15s ease}.idea-dock__add:hover{background:var(--bg-surface);color:var(--text-secondary);border-color:var(--accent-select)}.summary-rail{grid-area:rail;width:var(--rail-width);background:var(--bg-surface);border-left:1px solid var(--border-default);overflow-y:auto;transition:width .25s ease;z-index:50}.rail-collapsed .summary-rail{width:0;overflow:hidden}.summary-rail__section{padding:16px;border-bottom:1px solid var(--border-default)}.summary-rail__heading{font-family:var(--font-display);font-size:14px;color:var(--text-primary);margin-bottom:10px}.summary-rail__stat{display:flex;justify-content:space-between;align-items:center;padding:4px 0;font-size:13px;color:var(--text-secondary)}.summary-rail__stat-value{font-family:var(--font-mono);font-weight:500;color:var(--text-primary)}.summary-rail__item{padding:8px 0;border-bottom:1px solid rgba(0,0,0,.04);font-size:13px;line-height:1.4;color:var(--text-secondary)}.summary-rail__item:last-child{border-bottom:none}.summary-rail__item-badge{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}.summary-rail__item-badge--question{background:var(--accent-question)}.summary-rail__item-badge--decision{background:var(--accent-decision)}.comment-thread{position:absolute;top:100%;left:0;width:280px;margin-top:4px;background:var(--bg-surface);border:1px solid var(--border-default);border-radius:8px;box-shadow:0 8px 24px #0000001f;z-index:1000;overflow:hidden}.comment-thread__list{max-height:240px;overflow-y:auto;padding:8px 0}.comment-thread__item{padding:8px 12px}.comment-thread__author{font-size:11px;font-family:var(--font-mono);font-weight:500;color:var(--text-muted);margin-bottom:2px}.comment-thread__text{font-size:13px;line-height:1.4;color:var(--text-primary)}.comment-thread__input{display:flex;gap:6px;padding:8px 12px;border-top:1px solid var(--border-default)}.comment-thread__input input{flex:1;padding:6px 10px;border:1px solid var(--border-default);border-radius:4px;font-size:13px;font-family:var(--font-body);outline:none}.comment-thread__input input:focus{border-color:var(--accent-select)}.comment-thread__input button{padding:6px 12px;background:var(--accent-select);color:#fff;border:none;border-radius:4px;font-size:12px;cursor:pointer}.context-menu{position:fixed;min-width:180px;background:var(--bg-surface);border:1px solid var(--border-default);border-radius:8px;box-shadow:0 8px 24px #00000026;padding:4px 0;z-index:10000}.context-menu__item{display:flex;align-items:center;gap:8px;padding:8px 14px;font-size:13px;color:var(--text-primary);cursor:pointer;transition:background .1s}.context-menu__item:hover{background:var(--accent-hover)}.context-menu__divider{height:1px;background:var(--border-default);margin:4px 0}.context-menu__shortcut{margin-left:auto;font-size:11px;font-family:var(--font-mono);color:var(--text-muted)}.block-creator{position:absolute;background:var(--bg-surface);border:1px solid var(--border-default);border-radius:10px;box-shadow:0 8px 32px #00000026;padding:8px;display:flex;gap:4px;z-index:1000}.block-creator__btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 14px;border:none;background:transparent;border-radius:6px;cursor:pointer;font-size:11px;font-family:var(--font-body);color:var(--text-secondary);transition:all .12s ease}.block-creator__btn:hover{background:var(--accent-hover);color:var(--text-primary)}.block-creator__icon{font-size:18px}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@keyframes block-appear{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.block--new{animation:block-appear .2s ease-out}@keyframes fade-in{0%{opacity:0}to{opacity:1}}