body{margin:0;min-width:320px;color-scheme:dark}#root{min-height:100vh}.editor-container{display:flex;flex-direction:column;height:100vh;max-width:1200px;margin:0 auto;padding:var(--spacing-2xl) var(--spacing-xl);overflow:hidden}.editor-header{text-align:center;margin-bottom:var(--spacing-2xl)}.editor-header h1{font-size:28px;font-weight:700;letter-spacing:-.02em;margin-bottom:var(--spacing-xs)}.editor-header p{font-size:16px;color:var(--color-text-secondary)}.editor-content{display:flex;flex-direction:column;flex:1;background:var(--color-bg-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border-default);padding:var(--spacing-xl)}.editor-controls{display:flex;gap:var(--spacing-md);margin-bottom:var(--spacing-lg);flex-wrap:wrap}.monaco-wrapper{flex:1;min-height:400px;border:1px solid var(--color-border-default);border-radius:var(--radius-lg);overflow:hidden;transition:border-color var(--transition-fast)}.monaco-wrapper:focus-within{border-color:var(--color-accent-blue)}@media(max-width:768px){.editor-container{padding:var(--spacing-xl) var(--spacing-lg)}.editor-header{margin-bottom:var(--spacing-xl)}.editor-header h1{font-size:24px}}@media(max-width:640px){.editor-controls{flex-direction:column}.editor-controls .btn{width:100%;justify-content:center}.monaco-wrapper{min-height:300px}}.viewer-container{display:flex;flex-direction:column;height:100vh;max-width:1200px;margin:0 auto;padding:var(--spacing-2xl) var(--spacing-xl);overflow:hidden}.viewer-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-xl);flex-wrap:wrap;gap:var(--spacing-lg)}.logo-link{text-decoration:none;color:var(--color-text-primary);transition:color var(--transition-fast)}.logo-link:hover{color:var(--color-accent-blue)}.logo-link h1{font-size:28px;font-weight:700;letter-spacing:-.02em;margin:0}.viewer-info{display:flex;gap:var(--spacing-xl);font-size:12px;font-family:var(--font-mono);color:var(--color-text-secondary)}.viewer-content{display:flex;flex-direction:column;flex:1;background:var(--color-bg-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border-default);padding:var(--spacing-xl)}.viewer-controls{display:flex;gap:var(--spacing-md);margin-bottom:var(--spacing-lg);flex-wrap:wrap}.viewer-container .monaco-wrapper{flex:1;min-height:400px;border:1px solid var(--color-border-default);border-radius:var(--radius-lg);overflow:hidden}.viewer-container .error-message{margin-bottom:var(--spacing-lg)}@media(max-width:768px){.viewer-container{padding:var(--spacing-xl) var(--spacing-lg)}.viewer-header{flex-direction:column;align-items:flex-start}.viewer-info{flex-direction:column;gap:var(--spacing-sm)}.logo-link h1{font-size:24px}}@media(max-width:640px){.viewer-controls{flex-direction:column}.viewer-controls .btn{width:100%;justify-content:center}.viewer-container .monaco-wrapper{min-height:300px}}:root{--color-bg-base: #0d1117;--color-bg-surface: #161b22;--color-bg-overlay: #21262d;--color-border-default: #30363d;--color-border-emphasis: #6e7681;--color-text-primary: #e6edf3;--color-text-secondary: #8b949e;--color-text-muted: #6e7681;--color-accent-blue: #1f6feb;--color-accent-blue-hover: #388bfd;--color-accent-green: #238636;--color-accent-green-hover: #2ea043;--color-accent-red: #da3633;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 12px;--spacing-lg: 16px;--spacing-xl: 24px;--spacing-2xl: 40px;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--font-mono: "Monaco", "Menlo", "Ubuntu Mono", "Consolas", monospace;--transition-fast: .15s ease}[data-theme=light]{--color-bg-base: #ffffff;--color-bg-surface: #f6f8fa;--color-bg-overlay: #eaeef2;--color-border-default: #d0d7de;--color-border-emphasis: #8c959f;--color-text-primary: #1f2328;--color-text-secondary: #656d76;--color-text-muted: #8c959f;--color-accent-blue: #0969da;--color-accent-blue-hover: #0550ae;--color-accent-green: #1a7f37;--color-accent-green-hover: #116329;--color-accent-red: #cf222e}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--color-bg-base);color:var(--color-text-primary);min-height:100vh}.app{min-height:100vh}.btn{padding:8px 16px;border:1px solid transparent;border-radius:var(--radius-md);font-size:14px;font-weight:500;cursor:pointer;transition:background-color var(--transition-fast),border-color var(--transition-fast);text-decoration:none;display:inline-flex;align-items:center;gap:var(--spacing-sm)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:focus-visible{outline:2px solid var(--color-accent-blue);outline-offset:2px}.btn-primary{background:var(--color-accent-blue);color:#fff;border-color:var(--color-accent-blue)}.btn-primary:hover:not(:disabled){background:var(--color-accent-blue-hover);border-color:var(--color-accent-blue-hover)}.btn-secondary{background:var(--color-bg-overlay);color:var(--color-text-primary);border-color:var(--color-border-default)}.btn-secondary:hover:not(:disabled){background:var(--color-border-default);border-color:var(--color-border-emphasis)}.btn-success{background:var(--color-accent-green);color:#fff;border-color:var(--color-accent-green)}.btn-success:hover:not(:disabled){background:var(--color-accent-green-hover);border-color:var(--color-accent-green-hover)}.error-message{background:#da36331a;color:var(--color-accent-red);padding:12px 16px;border-radius:var(--radius-md);margin-bottom:var(--spacing-lg);border:1px solid rgba(218,54,51,.3);font-size:14px}.loading{display:flex;justify-content:center;align-items:center;height:100vh;font-size:16px;color:var(--color-text-secondary)}.theme-toggle{position:fixed;top:16px;right:16px;z-index:100;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border:1px solid var(--color-border-default);border-radius:var(--radius-md);background:var(--color-bg-surface);color:var(--color-text-secondary);cursor:pointer;transition:background-color var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast)}.theme-toggle:hover{background:var(--color-bg-overlay);border-color:var(--color-border-emphasis);color:var(--color-text-primary)}.theme-toggle:focus-visible{outline:2px solid var(--color-accent-blue);outline-offset:2px}