:root{--color-bg:#ffffff;--color-fg:#1a1a1a;--color-border:#e5e7eb;--color-panel-bg:#f9fafb;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-secondary:#64748b;--color-error:#ef4444;--color-warning:#f59e0b;--color-success:#10b981;--color-info:#3b82f6;--color-pro-badge:#8b5cf6;--color-pro-hover:#7c3aed;--cm-bg:#ffffff;--cm-fg:#24292e;--cm-gutter-bg:#f6f8fa;--cm-gutter-fg:#6e7781;--cm-selection-bg:#0969da33;--cm-cursor:#24292e;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--header-height:60px;--status-bar-height:32px}@media (prefers-color-scheme:dark){:root{--color-bg:#0d1117;--color-fg:#e6edf3;--color-border:#30363d;--color-panel-bg:#161b22;--color-primary:#58a6ff;--color-primary-hover:#79c0ff;--color-secondary:#8b949e;--color-error:#f85149;--color-warning:#d29922;--color-success:#3fb950;--color-info:#58a6ff;--color-pro-badge:#a371f7;--color-pro-hover:#b392f0;--cm-bg:#0d1117;--cm-fg:#e6edf3;--cm-gutter-bg:#161b22;--cm-gutter-fg:#6e7681;--cm-selection-bg:#1f6feb33;--cm-cursor:#e6edf3}}*{box-sizing:border-box;margin:0;padding:0}body,html{height:100%;font-family:var(--font-sans);color:var(--color-fg);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{line-height:1.6}code{font-family:var(--font-mono);font-size:.9em;background:var(--color-panel-bg);padding:.125rem .25rem;border-radius:3px}button{font-family:inherit;cursor:pointer;border:none;outline:none}button:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-primary-hover);text-decoration:underline}.cm-editor{height:100%;font-size:14px;outline:none!important}.cm-scroller{font-family:var(--font-mono);line-height:1.5}.cm-content{padding:var(--spacing-md)}.cm-line{padding:0 var(--spacing-xs)}.cm-diagnostic-error{border-bottom:2px wavy var(--color-error);cursor:help}.cm-diagnostic-warning{border-bottom:2px wavy var(--color-warning);cursor:help}.cm-diagnostic-info{border-bottom:2px dotted var(--color-info);cursor:help}.cm-tooltip{background:var(--color-fg)!important;color:var(--color-bg)!important;border:none!important;border-radius:6px!important;padding:var(--spacing-sm) var(--spacing-md)!important;max-width:400px;box-shadow:0 4px 12px rgba(0,0,0,.15)!important}.cm-tooltip.cm-tooltip-lint{font-family:var(--font-sans);font-size:13px}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--color-panel-bg)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--color-secondary)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}