:root{--color-bg:#fff;--color-fg:#000;--color-muted:#666;--color-border:#d9d9d9;--color-surface:#f4f4f4;--font-sans:-apple-system, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--content-width:40rem;--page-inline-padding:1.5rem;--nav-height:4rem}@media (prefers-color-scheme:dark){:root{--color-bg:#000;--color-fg:#fff;--color-muted:#999;--color-border:#2e2e2e;--color-surface:#141414}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}body{background:var(--color-bg);color:var(--color-fg);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-size:1rem;line-height:1.5}h1,h2,h3,p,ul{margin:0}ul{padding:0;list-style:none}a{color:inherit}img,svg{max-width:100%;display:block}button,input{font:inherit;color:inherit}.skip-link{z-index:100;background:var(--color-bg);color:var(--color-fg);border:1px solid var(--color-fg);padding:.75rem 1rem;font-size:.875rem;text-decoration:none;position:absolute;top:-100%;left:1rem}.skip-link:focus{top:1rem}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}a:focus-visible,button:focus-visible,input:focus-visible,.skip-link:focus-visible{outline:2px solid var(--color-fg);outline-offset:3px}.navbar{z-index:50;background:var(--color-bg);border-bottom:1px solid var(--color-border);position:sticky;top:0}.navbar__inner{height:var(--nav-height);max-width:64rem;padding-inline:var(--page-inline-padding);grid-template-columns:1fr auto 1fr;align-items:center;column-gap:1rem;margin-inline:auto;display:grid}.nav-group{align-items:center;gap:1.5rem;min-width:0;display:flex}.nav-group--left{justify-self:start}.nav-group--right{justify-self:end}.nav-link{color:var(--color-muted);white-space:nowrap;font-size:.9375rem;text-decoration:none}.nav-link:hover{color:var(--color-fg)}.nav-link[aria-current=page]{color:var(--color-fg);font-weight:600}.brand{letter-spacing:-.01em;white-space:nowrap;justify-self:center;font-size:1.0625rem;font-weight:600;text-decoration:none}@media (max-width:480px){.nav-group{gap:1rem}.nav-link{font-size:.8125rem}.brand{font-size:.9375rem}}.hero{min-height:calc(100dvh - 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var(--nav-height));flex-direction:column;gap:1.5rem;display:flex}.chat-character{align-items:center;gap:.875rem;display:flex}.chat-character__avatar{background:var(--color-fg);width:2.75rem;height:2.75rem;color:var(--color-bg);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-weight:700;display:flex}.chat-character__name{font-weight:600}.chat-character__status{color:var(--color-muted);font-size:.8125rem}.chat-log{flex-direction:column;flex:1;gap:.75rem;display:flex}.chat-message{border:1px solid var(--color-border);border-radius:12px;max-width:34ch;padding:.75rem 1rem}.chat-message--assistant{background:var(--color-surface);align-self:flex-start}.chat-message--user{background:var(--color-fg);color:var(--color-bg);border-color:var(--color-fg);align-self:flex-end}.chat-input{gap:.75rem;display:flex}.chat-input input{border:1px solid var(--color-border);background:var(--color-bg);border-radius:8px;flex:1;min-width:0;padding:.75rem 1rem}.chat-input input:disabled{opacity:.6}.chat-input button{border:1px solid var(--color-fg);background:var(--color-fg);color:var(--color-bg);border-radius:8px;padding:.75rem 1.25rem}.chat-input button:disabled{opacity:.5;cursor:not-allowed}.chat-input__note{color:var(--color-muted);font-size:.8125rem}.footer{max-width:var(--content-width);padding:2rem var(--page-inline-padding) 3rem;border-top:1px solid var(--color-border);margin-inline:auto}.footer p{color:var(--color-muted);font-size:.8125rem}