:root{color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;--bg: var(--tg-theme-bg-color, #0f1115);--fg: var(--tg-theme-text-color, #f2f4f8);--hint: var(--tg-theme-hint-color, #8b93a7);--btn: var(--tg-theme-button-color, #2aabee);--secondary: var(--tg-theme-secondary-bg-color, #1a1d24)}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%;background:var(--bg);color:var(--fg)}.app{min-height:100dvh;display:grid;grid-template-rows:1fr auto}.content{padding:16px 16px 96px}.tabs{position:sticky;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);gap:4px;padding:10px 8px calc(10px + env(safe-area-inset-bottom));background:var(--secondary);border-top:1px solid color-mix(in srgb,var(--fg) 12%,transparent)}.tabs a{text-align:center;text-decoration:none;color:var(--hint);padding:10px 4px;border-radius:10px;font-size:13px}.tabs a.active{color:var(--fg);background:color-mix(in srgb,var(--btn) 22%,transparent)}h1{margin:0 0 8px;font-size:24px}p{margin:0 0 16px;color:var(--hint)}.meta{display:block;font-size:12px;color:var(--hint);margin-top:4px}.error{color:#ff8b8b}.search{width:100%;padding:12px 14px;border-radius:12px;border:1px solid color-mix(in srgb,var(--fg) 14%,transparent);background:var(--secondary);color:var(--fg);font-size:16px}.feed-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}.feed-list a{display:grid;gap:6px;text-decoration:none;color:inherit;padding:12px;border-radius:12px;background:var(--secondary)}.excerpt{color:var(--hint);font-size:14px}.back{display:inline-block;margin-bottom:12px;color:var(--btn);text-decoration:none}.article{white-space:pre-wrap;line-height:1.5;color:var(--fg)}.chat-log{display:grid;gap:10px;margin-bottom:12px;max-height:calc(100dvh - 260px);overflow:auto}.bubble{padding:10px 12px;border-radius:12px;background:var(--secondary);white-space:pre-wrap}.bubble.user{background:color-mix(in srgb,var(--btn) 28%,var(--secondary));justify-self:end;max-width:90%}.bubble.assistant{max-width:95%}.refs{display:grid;gap:6px;margin-top:8px}.refs a{color:var(--btn);font-size:13px}.chat-form{display:grid;grid-template-columns:1fr auto;gap:8px}.chat-form input{padding:12px;border-radius:12px;border:1px solid color-mix(in srgb,var(--fg) 14%,transparent);background:var(--secondary);color:var(--fg);font-size:16px}.chat-form button,.role-row button{border:0;border-radius:12px;padding:12px 14px;background:var(--btn);color:#fff;font-weight:600}.profile-card{display:grid;gap:14px;padding:14px;border-radius:12px;background:var(--secondary)}.toggle{display:flex;gap:10px;align-items:center}.role-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.role-row button{background:color-mix(in srgb,var(--fg) 12%,transparent);color:var(--fg)}.role-row button.active{background:var(--btn);color:#fff}