:root{color-scheme:light;--bg: #f5f6f8;--surface: #ffffff;--surface-subtle: #f1f3f5;--border: #e2e5ea;--text: #1a1d21;--text-muted: #5c6470;--accent: #2563eb;--accent-hover: #1d4ed8;--accent-contrast: #ffffff;--danger: #dc2626;--danger-hover: #b91c1c;--success: #15803d;--success-bg: #dcfce7;--warning: #b45309;--warning-bg: #fef3c7;--muted-bg: #e8eaee;--radius: 10px;--shadow: 0 8px 30px rgb(15 23 42 / .12);--font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace}@media(prefers-color-scheme:dark){:root{color-scheme:dark;--bg: #0d1117;--surface: #161b22;--surface-subtle: #1c2330;--border: #2d3542;--text: #e6e8eb;--text-muted: #9aa4b2;--accent: #3b82f6;--accent-hover: #60a5fa;--accent-contrast: #ffffff;--danger: #ef4444;--danger-hover: #f87171;--success: #4ade80;--success-bg: rgb(74 222 128 / .14);--warning: #fbbf24;--warning-bg: rgb(251 191 36 / .14);--muted-bg: #2d3542;--shadow: 0 8px 30px rgb(0 0 0 / .5)}}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--accent)}code,pre{font-family:var(--font-mono)}img{max-width:100%}::selection{background:color-mix(in srgb,var(--accent) 25%,transparent)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.error-page{display:flex;align-items:center;justify-content:center;min-height:100dvh;padding:24px}.error-card{width:min(520px,100%);padding:32px;background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);text-align:center}.error-title{margin:0 0 8px;font-size:22px;font-weight:700}.error-details{margin:0 0 18px;color:var(--text-muted);font-size:14px;line-height:1.6;word-break:break-word}.error-stack{max-height:240px;margin:0 0 18px;padding:12px;overflow-x:auto;background:var(--surface-subtle);border:1px solid var(--border);border-radius:8px;font-size:12px;text-align:left}.error-link{display:inline-flex;padding:9px 18px;background:var(--accent);border-radius:8px;color:var(--accent-contrast);font-size:14px;font-weight:600;text-decoration:none}.error-link:hover{background:var(--accent-hover)}