html,html[data-theme=light]{--paper:#eef1f6;--paper-deep:#e1e6f0;--ink:#141b2d;--ink-soft:#2c3548;--muted:#6b7389;--accent:#9a7b35;--lavender:#6b5b95;--danger:#c23b35;--line:#c7cedb;--glow:#9a7b351a;--inverse:#f4f6fa;--panel:#ffffff8c;--rail:#141b2d08;--input-bg:#ffffffb3}html[data-theme=dark]{--paper:#05030a;--paper-deep:#0a0614;--ink:#f0e8fa;--ink-soft:#d4c4ec;--muted:#b7a4cf;--accent:#e4c56a;--lavender:#b78cff;--danger:#e0554f;--line:#b78cff47;--glow:#8c5adc47;--inverse:#05030a;--panel:#b78cff0f;--rail:#00000059;--input-bg:#00000059}:root{--shell-max:64rem;--background:var(--paper);--foreground:var(--ink);--font-sans:"PingFang SC", "Hiragino Sans SC", "Noto Sans CJK SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;--font-serif:"Songti SC", "STSong", "Source Han Serif SC", "Noto Serif CJK SC", serif;--font-mono:"SF Mono", "JetBrains Mono", "Fira Code", ui-monospace, Menlo, Consolas, monospace}html{height:100%}html,body{max-width:100vw;overflow-x:hidden}body{min-height:100%;color:var(--foreground);background:radial-gradient(900px 420px at 50% -10%, var(--glow), transparent 55%), linear-gradient(180deg, var(--paper) 0%, var(--paper-deep) 100%);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;transition:background .18s,color .18s;display:flex}*{box-sizing:border-box;margin:0;padding:0}a{color:inherit;text-decoration:none}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}@media (prefers-reduced-motion:reduce){body{transition:none}}