:root{--color-bg-canvas:#121212;--color-bg-surface:#1a1a1a;--color-bg-surface-hover:#252525;--color-bg-surface-active:#2a2a2a;--color-bg-elevated:#1e1e1e;--color-text-primary:#e8e8e8;--color-text-secondary:#999;--color-text-disabled:#555;--color-border-default:#2a2a2a;--color-border-focus:#4a9eff;--color-accent:#4a9eff;--color-accent-hover:#5aacff;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--font-sans:"Aeonik",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-mono:"JetBrains Mono","Fira Code",monospace;font-family:var(--font-sans);color-scheme:dark}*,:after,:before{box-sizing:border-box;margin:0;padding:0}body,html{height:100%;overflow:hidden;background-color:var(--color-bg-canvas);color:var(--color-text-primary);font-size:13px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border-default);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-disabled)}:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:2px}::selection{background-color:var(--color-accent);color:white}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}@keyframes slideInLeft{0%{opacity:0;transform:translateX(-8px)}to{opacity:1;transform:translateX(0)}}@keyframes slideInRight{0%{opacity:0;transform:translateX(8px)}to{opacity:1;transform:translateX(0)}}button{transition:background-color .12s ease,color .12s ease,opacity .12s ease,border-color .12s ease}.toast-feedback{animation:fadeIn .15s ease-out}.toolbar-separator{width:1px;height:20px;background-color:var(--color-border-default);margin:0 4px}