:root{--bg-deep:#000;--bg-base:#0a0a0a;--bg-elevated:#141414;--bg-hover:#1c1c1c;--bg-active:#242424;--border-subtle:#ffffff0f;--border-default:#ffffff1f;--border-strong:#fff3;--text-primary:#fff;--text-secondary:#a3a3a3;--text-tertiary:#737373;--text-muted:#525252;--accent:#fff;--accent-soft:#ffffff14;--accent-muted:#ffffff0f;--font-sans:Inter, system-ui, sans-serif;--font-mono:ui-monospace, monospace;--space-2:8px;--space-3:12px;--space-4:16px;--space-6:24px;--space-8:32px;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:18px;--shadow-md:0 4px 16px #00000080;--shadow-lg:0 16px 40px #0009;--ease-out:cubic-bezier(.16,1,.3,1);--duration-fast:.12s;--duration-normal:.2s}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden}body{font-family:var(--font-sans);color:var(--text-primary);background:var(--bg-deep);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.5}::selection{background:#fff3}:focus-visible{outline-offset:2px;outline:2px solid #fff}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}input,textarea{color:inherit;background:0 0;border:none;outline:none;font-family:inherit}.skip-link{color:#fff;z-index:9999;background:#141414;border:1px solid #ffffff1f;border-radius:6px;padding:8px 16px;position:absolute;top:-100px;left:16px}.skip-link:focus{top:16px}.aether-app{color:#fff;background:#000;width:100%;height:100%;display:flex}.sidebar{background:#0a0a0a;border-right:1px solid #ffffff0f;flex-direction:column;flex-shrink:0;width:260px;transition:width .2s,opacity .2s;display:flex;overflow:hidden}.sidebar.collapsed{opacity:0;border:none;width:0}.sidebar-header{align-items:center;padding:16px;display:flex}.logo{letter-spacing:-.03em;align-items:center;gap:8px;font-size:15px;font-weight:600;display:flex}.logo-mark{place-items:center;width:24px;height:24px;display:grid}.logo-mark svg{color:#fff;width:20px;height:20px}.sidebar-section{padding:8px 12px}.sidebar-section-title{text-transform:uppercase;letter-spacing:.07em;color:#525252;padding:8px;font-size:11px;font-weight:500}.nav-item{color:#a3a3a3;text-align:left;border-radius:6px;align-items:center;gap:8px;width:100%;padding:8px;font-size:13.5px;display:flex}.nav-item:hover{color:#fff;background:#1c1c1c}.nav-item.active{color:#fff;background:#ffffff0f;font-weight:500}.nav-item .count{color:#525252;background:#141414;border-radius:10px;margin-left:auto;padding:1px 6px;font-size:11px}.main{flex-direction:column;flex:1;min-width:0;display:flex}.topbar{background:#0a0a0a;border-bottom:1px solid #ffffff0f;align-items:center;gap:12px;height:48px;padding:0 16px;display:flex}.topbar-left,.topbar-right{align-items:center;gap:8px;display:flex}.topbar-center{flex:1;justify-content:center;display:flex}.icon-btn{color:#a3a3a3;border-radius:6px;place-items:center;width:32px;height:32px;display:grid}.icon-btn:hover{color:#fff;background:#1c1c1c}.focus-tabs{background:#141414;border:1px solid #ffffff0f;border-radius:10px;gap:2px;padding:3px;display:flex}.focus-tab{color:#737373;border-radius:6px;padding:5px 12px;font-size:12.5px;font-weight:500}.focus-tab:hover{color:#a3a3a3}.focus-tab.active{color:#fff;background:#242424}.content{flex:1;display:flex;overflow:hidden}.idea-list{background:#0a0a0a;border-right:1px solid #ffffff0f;flex-shrink:0;width:300px;overflow-y:auto}.idea-list-header{z-index:5;background:#0a0a0a;border-bottom:1px solid #ffffff0f;justify-content:space-between;align-items:center;padding:12px 16px;display:flex;position:sticky;top:0}.idea-list-header h2{color:#a3a3a3;font-size:13px;font-weight:600}.idea-item{cursor:pointer;border-bottom:1px solid #ffffff0f;padding:12px 16px;position:relative}.idea-item:hover{background:#1c1c1c}.idea-item.active{background:#ffffff0f;border-left:2px solid #fff}.idea-item-title{white-space:nowrap;text-overflow:ellipsis;margin-bottom:4px;padding-right:28px;font-size:13.5px;font-weight:500;overflow:hidden}.idea-item-meta{color:#525252;gap:8px;font-size:11.5px;display:flex}.idea-item-tags{flex-wrap:wrap;gap:4px;margin-top:6px;display:flex}.idea-item-delete{opacity:0;color:#525252;border-radius:4px;place-items:center;width:24px;height:24px;display:grid;position:absolute;top:10px;right:10px}.idea-item:hover .idea-item-delete{opacity:1}.idea-item-delete:hover{color:#fff;background:#ffffff1a}.tag{color:#737373;background:#141414;border:1px solid #ffffff0f;border-radius:4px;padding:2px 7px;font-size:11px}.editor-pane{background:#000;flex-direction:column;flex:1;min-width:0;display:flex;overflow:hidden}.editor-header{width:100%;max-width:720px;margin:0 auto;padding:16px 32px 8px}.editor-title{letter-spacing:-.03em;color:#fff;background:0 0;border:none;outline:none;width:100%;padding:0;font-size:28px;font-weight:650;line-height:1.25}.editor-title::placeholder{color:#525252}.editor-meta{color:#525252;flex-wrap:wrap;gap:12px;margin-top:12px;font-size:12px;display:flex}.editor-body{flex:1;padding:8px 32px 48px;overflow-y:auto}.editor-content{width:100%;max-width:720px;margin:0 auto}.block{border-radius:6px;margin-bottom:2px;position:relative}.block:hover{background:#ffffff05}.block-inner{white-space:pre-wrap;word-break:break-word;outline:none;min-height:28px;padding:6px 8px}.block[data-type=heading1] .block-inner{padding-top:12px;font-size:24px;font-weight:650}.block[data-type=heading2] .block-inner{padding-top:10px;font-size:18px;font-weight:600}.block[data-type=heading3] .block-inner{padding-top:8px;font-size:15px;font-weight:600}.block[data-type=list] .block-inner{padding-left:22px;position:relative}.block[data-type=list] .block-inner:before{content:"•";color:#737373;position:absolute;left:6px}.block[data-type=todo] .block-inner{padding-left:28px;position:relative}.todo-check{cursor:pointer;border:1.5px solid #fff3;border-radius:4px;place-items:center;width:16px;height:16px;display:grid;position:absolute;top:8px;left:6px}.todo-check.checked{background:#fff;border-color:#fff}.todo-check.checked svg{color:#000}.block[data-type=code] .block-inner{font-family:var(--font-mono);background:#141414;border:1px solid #ffffff0f;border-radius:6px;padding:12px 14px;font-size:13px}.block[data-type=callout] .block-inner{color:#a3a3a3;background:#ffffff0f;border-left:3px solid #fff;border-radius:0 6px 6px 0;padding:12px 14px}.block[data-type=quote] .block-inner{color:#a3a3a3;border-left:3px solid #fff3;padding-left:16px;font-style:italic}.block[data-type=divider]{background:#ffffff1f;height:1px;margin:16px 0}.backlinks-panel{background:#0a0a0a;border-left:1px solid #ffffff0f;flex-shrink:0;width:280px;padding:16px;overflow-y:auto}.backlinks-panel h3{text-transform:uppercase;letter-spacing:.05em;color:#525252;margin-bottom:12px;font-size:12px;font-weight:600}.backlink-card{cursor:pointer;background:#141414;border:1px solid #ffffff0f;border-radius:10px;margin-bottom:8px;padding:12px}.backlink-card:hover{background:#1c1c1c;border-color:#ffffff1f}.backlink-title{margin-bottom:4px;font-size:13px;font-weight:500}.backlink-meta{color:#525252;gap:8px;font-size:11px;display:flex}.rel-type{color:#a3a3a3;background:#ffffff0f;border:1px solid #ffffff0f;border-radius:4px;padding:1px 6px;font-weight:500}.strength-bar{background:#242424;border-radius:2px;height:3px;margin-top:6px;overflow:hidden}.strength-fill{background:#fff;border-radius:2px;height:100%}.command-overlay{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;background:#000000b3;justify-content:center;padding-top:15vh;display:flex;position:fixed;inset:0}.command-palette{background:#141414;border:1px solid #ffffff1f;border-radius:18px;width:100%;max-width:560px;overflow:hidden;box-shadow:0 16px 40px #0009}.command-input-wrap{border-bottom:1px solid #ffffff0f;align-items:center;gap:12px;padding:16px;display:flex}.command-input{color:#fff;flex:1;font-size:16px}.command-input::placeholder{color:#525252}.command-results{max-height:360px;padding:8px;overflow-y:auto}.command-item{cursor:pointer;border-radius:10px;align-items:center;gap:12px;padding:10px 12px;display:flex}.command-item:hover,.command-item.selected{background:#1c1c1c}.command-item-icon{color:#a3a3a3;background:#242424;border:1px solid #ffffff0f;border-radius:6px;flex-shrink:0;place-items:center;width:32px;height:32px;display:grid}.command-item-label{font-size:14px;font-weight:500}.command-item-desc{color:#525252;font-size:12px}.command-item-kbd{color:#525252;background:#0a0a0a;border:1px solid #ffffff0f;border-radius:4px;margin-left:auto;padding:2px 6px;font-size:11px}.graph-view{background:radial-gradient(#0f0f0f 0%,#000 70%);flex:1;position:relative;overflow:hidden}.graph-canvas{cursor:grab;width:100%;height:100%}.graph-controls{background:#141414;border:1px solid #ffffff1f;border-radius:14px;gap:8px;padding:6px;display:flex;position:absolute;bottom:16px;left:50%;transform:translate(-50%)}.canvas-view{background:#000 radial-gradient(circle at 1px 1px,#ffffff0a 1px,#0000 0) 0 0/32px 32px;flex:1;position:relative;overflow:hidden}.canvas-surface{transform-origin:0 0;position:absolute;inset:0}.canvas-card{cursor:grab;-webkit-user-select:none;user-select:none;background:#141414;border:1px solid #ffffff1f;border-radius:14px;width:260px;min-height:120px;padding:12px;position:absolute;box-shadow:0 4px 16px #00000080}.canvas-card:hover{border-color:#fff3}.canvas-card.active{border-color:#fff;box-shadow:0 4px 16px #00000080,0 0 0 1px #fff}.canvas-card-title{white-space:nowrap;text-overflow:ellipsis;margin-bottom:6px;font-size:14px;font-weight:600;overflow:hidden}.canvas-card-preview{color:#a3a3a3;-webkit-line-clamp:4;-webkit-box-orient:vertical;font-size:12px;line-height:1.45;display:-webkit-box;overflow:hidden}.timeline-view{flex:1;padding:24px 32px;overflow-y:auto}.timeline-track{max-width:800px;margin:0 auto;padding-left:32px;position:relative}.timeline-track:before{content:"";background:#ffffff1f;width:2px;position:absolute;top:0;bottom:0;left:7px}.timeline-entry{margin-bottom:24px;padding-left:16px;position:relative}.timeline-dot{background:#fff;border:2px solid #000;border-radius:50%;width:12px;height:12px;position:absolute;top:6px;left:-29px}.timeline-date{color:#525252;margin-bottom:4px;font-size:12px}.timeline-card{cursor:pointer;background:#141414;border:1px solid #ffffff0f;border-radius:10px;padding:12px 16px}.timeline-card:hover{border-color:#ffffff1f}.empty-state{text-align:center;color:#737373;flex-direction:column;justify-content:center;align-items:center;height:100%;padding:32px;display:flex}.empty-state h3{color:#a3a3a3;margin-bottom:8px;font-size:16px;font-weight:600}.empty-state p{max-width:320px;font-size:13.5px;line-height:1.5}.confirm-overlay{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:1100;background:#000000b3;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.confirm-dialog{background:#141414;border:1px solid #ffffff1f;border-radius:14px;width:90%;max-width:360px;padding:24px}.confirm-dialog h3{margin-bottom:8px;font-size:16px;font-weight:600}.confirm-dialog p{color:#a3a3a3;margin-bottom:20px;font-size:13.5px;line-height:1.5}.confirm-actions{justify-content:flex-end;gap:8px;display:flex}.btn{border-radius:6px;padding:8px 14px;font-size:13px;font-weight:500}.btn-ghost{color:#a3a3a3}.btn-ghost:hover{color:#fff;background:#1c1c1c}.btn-danger{color:#000;background:#fff}.btn-danger:hover{background:#e5e5e5}.kbd{color:#737373;background:#141414;border:1px solid #ffffff1f;border-radius:4px;justify-content:center;align-items:center;min-width:20px;height:20px;padding:0 5px;font-size:11px;display:inline-flex}@media (width<=900px){.idea-list{width:240px}.backlinks-panel{display:none}.editor-header,.editor-body{padding-left:16px;padding-right:16px}}@media (width<=640px){.sidebar{z-index:50;height:100%;position:absolute}.idea-list{display:none}.focus-tab{padding:5px 8px}}