:root{--text:#111b21;--text-h:#111b21;--text-muted:#667781;--bg:#fff;--surface:#f0f2f5;--chat-bg:#e5ddd5;--border:#d1d7db;--accent:#075e54;--accent-fg:#fff;--bubble-out:#dcf8c6;--bubble-out-fg:#111b21;--sans:system-ui, "Segoe UI", Roboto, sans-serif;font:16px/1.5 var(--sans);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--text:#e9edef;--text-h:#e9edef;--text-muted:#8696a0;--bg:#202c33;--surface:#2a3942;--chat-bg:#0b141a;--border:#2a3942;--accent:#1f2c34;--accent-fg:#e9edef;--bubble-out:#005c4b;--bubble-out-fg:#e9edef}}body{min-height:100svh;margin:0}#root{box-sizing:border-box;max-width:480px;min-height:100svh;margin:0 auto;padding:16px;display:flex}main{flex:1;display:flex}p{margin:0}main{width:100%}.chat-app{border:1px solid var(--border);background:var(--bg);border-radius:16px;flex-direction:column;width:100%;height:85svh;display:flex;overflow:hidden;box-shadow:0 8px 24px #0000001f}.chat-header{background:var(--accent);color:var(--accent-fg);flex-direction:column;flex-shrink:0;gap:2px;padding:14px 20px;display:flex}.chat-header-name{font-size:1.05rem;font-weight:600}.chat-header-status{opacity:.85;font-size:.8rem}.chat-body{background:var(--chat-bg);flex:1;padding:16px;overflow-y:auto}.message-list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.message-list li{overflow-wrap:anywhere;border-radius:16px;max-width:78%;padding:8px 12px;font-size:.95rem;line-height:1.4;box-shadow:0 1px 1px #00000014}.message-list li>:first-child{margin-top:0}.message-list li>:last-child{margin-bottom:0}.message-list li p{margin:.5em 0}.message-list li ul,.message-list li ol{margin:.5em 0;padding-left:1.3em}.message-list li code{background:#00000014;border-radius:4px;padding:.1em .35em;font-size:.88em}.pdf-attachment{background:var(--surface);border:1px solid var(--border);color:inherit;border-radius:10px;align-items:center;gap:10px;max-width:100%;margin:4px 0;padding:10px 12px;text-decoration:none;display:flex}.pdf-attachment-icon{color:var(--accent);flex-shrink:0;display:flex}.pdf-attachment-info{flex-direction:column;flex:1;min-width:0;display:flex}.pdf-attachment-name{text-overflow:ellipsis;white-space:nowrap;font-size:.92rem;font-weight:600;overflow:hidden}.pdf-attachment-hint{color:var(--text-muted);font-size:.78rem}.pdf-attachment-download{background:var(--accent);width:26px;height:26px;color:var(--accent-fg);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.85rem;display:flex}.message-list li[data-role=user]{background:var(--bubble-out);color:var(--bubble-out-fg);border-bottom-right-radius:4px;align-self:flex-end}.message-list li[data-role=assistant]{background:var(--bg);color:var(--text);border-bottom-left-radius:4px;align-self:flex-start}.typing-indicator{background:var(--bg);border-radius:16px 16px 16px 4px;align-self:flex-start;gap:4px;margin-top:6px;padding:10px 14px;display:flex;box-shadow:0 1px 1px #00000014}.typing-indicator span{background:var(--text-muted);border-radius:50%;width:6px;height:6px;animation:1.2s ease-in-out infinite typing-bounce}.typing-indicator span:nth-child(2){animation-delay:.15s}.typing-indicator span:nth-child(3){animation-delay:.3s}@keyframes typing-bounce{0%,60%,to{opacity:.5;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}.message-form{background:var(--surface);border-top:1px solid var(--border);flex-shrink:0;align-items:center;gap:8px;padding:10px 12px;display:flex}.message-form input{min-width:0;font:inherit;color:inherit;background:var(--bg);border:1px solid var(--border);border-radius:999px;flex:1;padding:10px 16px}.message-form input:focus{outline:2px solid var(--accent);outline-offset:-1px}.message-form button{width:40px;height:40px;color:var(--accent-fg);background:var(--accent);cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;padding:0;display:flex}.message-form input:disabled,.message-form button:disabled{opacity:.6;cursor:not-allowed}.registration-form{background:var(--bg);border-radius:16px 16px 16px 4px;flex-direction:column;align-self:flex-start;gap:8px;max-width:78%;margin-top:6px;padding:12px 14px;display:flex;box-shadow:0 1px 1px #00000014}.registration-form-intro{color:var(--text-muted);margin:0 0 2px;font-size:.9rem}.registration-form input{font:inherit;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:8px;padding:8px 12px}.registration-form-error{color:#c0392b;margin:0;font-size:.82rem}.registration-form button{font:inherit;background:var(--accent);color:var(--accent-fg);cursor:pointer;border:none;border-radius:8px;padding:8px 12px;font-weight:600}.registration-form button:disabled{opacity:.6;cursor:default}