:root,[data-theme=dark]{--bg: #1a1a1a;--text: #e6e6e6;--text-muted: #9ca3af;--border: #2d2d2d;--code-bg: #2d2d2d;--link: #7dd3fc;--link-hover: #bae6fd}[data-theme=light]{--bg: #ffffff;--text: #1a1a1a;--text-muted: #6b7280;--border: #e5e7eb;--code-bg: #f3f4f6;--link: #0284c7;--link-hover: #0369a1}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}#app{max-width:720px;margin:0 auto;padding:2rem 1.5rem}.state{padding:2rem;text-align:center;color:var(--text-muted)}.state-error{color:#f87171}.breadcrumb{margin-bottom:1.5rem;font-size:.875rem;color:var(--text-muted)}.breadcrumb__item{display:inline}.breadcrumb__sep{margin:0 .35em;color:var(--text-muted)}.breadcrumb__link{color:var(--link);text-decoration:none}.breadcrumb__link:hover{color:var(--link-hover);text-decoration:underline}.breadcrumb__current{color:var(--text)}.markdown-body{word-wrap:break-word}.markdown-body h1,.markdown-body h2,.markdown-body h3{margin-top:1.5em;margin-bottom:.5em;font-weight:600;line-height:1.25}.markdown-body h1{font-size:1.75rem}.markdown-body h2{font-size:1.375rem}.markdown-body h3{font-size:1.125rem}.markdown-body p{margin-top:0;margin-bottom:1em}.markdown-body ul,.markdown-body ol{margin-top:0;margin-bottom:1em;padding-left:1.5em}.markdown-body code{font-size:.9em;padding:.2em .35em;border-radius:4px;background:var(--code-bg)}.markdown-body pre{margin:1em 0;padding:1em;overflow-x:auto;border-radius:6px;background:var(--code-bg)}.markdown-body pre code{padding:0;background:none}.markdown-body a{color:var(--link);text-decoration:none}.markdown-body a:hover{color:var(--link-hover);text-decoration:underline}.markdown-body blockquote{margin:1em 0;padding-left:1em;border-left:4px solid var(--border);color:var(--text-muted)}.theme-toggle{position:fixed;top:1rem;right:1rem;z-index:100;display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;padding:0;color:var(--text);background:var(--code-bg);border:1px solid var(--border);border-radius:8px;cursor:pointer;transition:color .2s,background .2s,border-color .2s}.theme-toggle:hover{color:var(--link);background:var(--border)}