:root{--bg-primary: #0d1b2a;--bg-secondary: #1b2d45;--bg-panel: #162236;--bg-tertiary: #1e3150;--border-subtle: rgba(255, 255, 255, .08);--border-medium: rgba(255, 255, 255, .15);--grid-line: rgba(74, 140, 200, .07);--text-primary: #e8f0f5;--text-secondary: #8eafc2;--text-muted: #4a6e82;--accent: #4ae68a;--accent-bright: #6aefaa;--accent-dim: rgba(74, 230, 138, .15);--danger: #ff5c7a;--danger-dim: rgba(255, 92, 122, .15);--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--font-mono: "JetBrains Mono", "SF Mono", "Fira Code", "Cascadia Code", monospace;--font-sans: "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--toolbar-height: 44px;--panel-width: 400px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-mono);background:var(--bg-primary);color:var(--text-primary);line-height:1.5}body:before{content:"";position:fixed;inset:0;background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:40px 40px;pointer-events:none;z-index:0}a{color:var(--accent);text-decoration:none;transition:color .15s}a:hover{text-decoration:underline;color:var(--accent-bright)}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::selection{background:var(--accent-dim);color:var(--text-primary)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-medium);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}