.xd-docs .dd-chat-fab{right:calc(18px + env(safe-area-inset-right,0px));bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:60;font-family:var(--dd-sans);color:var(--dd-ink);background:var(--dd-white);border:1px solid var(--dd-line2);cursor:pointer;transition:border-color .16s, background .16s, transform .12s var(--dd-ease);border-radius:999px;align-items:center;gap:8px;padding:10px 16px 11px;font-size:13.5px;font-weight:500;display:inline-flex;position:fixed;box-shadow:0 10px 28px #1a17121f,0 1px 3px #1a171214}.xd-docs .dd-chat-fab:hover{border-color:var(--dd-ink)}.xd-docs .dd-chat-fab:active{transform:scale(.97)}.xd-docs .dd-chat-fab svg{flex:none;display:block}.xd-docs .dd-chat-panel{right:calc(18px + env(safe-area-inset-right,0px));bottom:calc(72px + env(safe-area-inset-bottom,0px));z-index:61;background:var(--dd-white);border:1px solid var(--dd-line2);transform-origin:100% 100%;width:min(388px,100vw - 36px);height:min(540px,100dvh - 140px);animation:dd-chat-in .22s var(--dd-ease) both;border-radius:14px;flex-direction:column;display:flex;position:fixed;overflow:hidden;box-shadow:0 24px 64px #1a171229,0 4px 14px #1a171214}@keyframes dd-chat-in{0%{opacity:0;transform:translateY(10px)scale(.98)}}.xd-docs .dd-chat-scrim{display:none}.dd-chat-head{border-bottom:1px solid var(--dd-line);flex:none;align-items:baseline;gap:10px;padding:12px 12px 11px 16px;display:flex}.dd-chat-head .ttl{letter-spacing:-.01em;color:var(--dd-ink);margin:0;font-size:14px;font-weight:600}.dd-chat-head .sub{font-family:var(--dd-mono);color:var(--dd-grey);margin:0;font-size:11px}.dd-chat-head .x{width:26px;height:26px;color:var(--dd-grey);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:7px;flex:none;justify-content:center;align-self:center;align-items:center;margin-left:auto;transition:color .15s,border-color .15s;display:flex}.dd-chat-head .x:hover{color:var(--dd-ink);border-color:var(--dd-line2)}.dd-chat-head .x svg path{stroke:currentColor;stroke-width:1.4px;stroke-linecap:round}.dd-chat-thread{scrollbar-width:thin;scrollbar-color:var(--dd-line2) transparent;flex:auto;padding:14px 16px 6px;overflow-y:auto}.dd-chat-intro .hi{color:var(--dd-ink2);margin:2px 0 12px;font-size:13.5px;line-height:1.6}.dd-chat-intro .egs{flex-direction:column;align-items:flex-start;gap:8px;display:flex}.dd-chat-intro .eg{font-family:var(--dd-mono);color:var(--dd-grey);border:1px solid var(--dd-line2);cursor:pointer;transition:color .15s, border-color .15s, transform .12s var(--dd-ease);background:0 0;border-radius:999px;padding:5px 12px 6px;font-size:11.5px}.dd-chat-intro .eg:hover{color:var(--dd-ink);border-color:var(--dd-ink)}.dd-chat-intro .eg:active{transform:scale(.97)}.dd-chat-msg{margin:0 0 12px}.dd-chat-msg.user{justify-content:flex-end;display:flex}.dd-chat-msg.user .txt{max-width:85%;color:var(--dd-ink);background:var(--dd-bg);border:1px solid var(--dd-line);white-space:pre-wrap;overflow-wrap:anywhere;border-radius:12px 12px 4px;margin:0;padding:8px 12px 9px;font-size:14px;line-height:1.55}.dd-chat-msg.assistant .who{font-family:var(--dd-mono);letter-spacing:.02em;color:var(--dd-grey);margin:0 0 3px;font-size:10.5px}.dd-chat-msg.assistant .txt{color:var(--dd-ink2);white-space:pre-wrap;overflow-wrap:anywhere;margin:0;font-size:14px;line-height:1.62}.dd-chat-msg.assistant .txt.live:after{content:"";vertical-align:text-bottom;background:var(--dd-ink);width:7px;height:.95em;margin-left:3px;animation:1.06s steps(2,jump-none) infinite dd-chat-caret;display:inline-block}.dd-chat-msg.assistant .waiting{font-family:var(--dd-mono);color:var(--dd-grey);margin:0;font-size:12px;animation:1.6s ease-in-out infinite dd-chat-pulse}.dd-chat-msg.assistant .waiting .dots:after{content:"…"}@keyframes dd-chat-caret{50%{opacity:0}}@keyframes dd-chat-pulse{50%{opacity:.55}}.dd-chat-msg .cits{flex-wrap:wrap;gap:6px;margin-top:9px;display:flex}.dd-chat-msg .cit{font-family:var(--dd-mono);color:var(--dd-ink);background:var(--dd-bg);border:1px solid var(--dd-line2);border-radius:999px;align-items:baseline;gap:6px;padding:3px 10px 4px;font-size:11px;display:inline-flex}.dd-chat-msg .cit b{letter-spacing:.05em;color:var(--dd-red);font-size:10px;font-weight:600}.dd-chat-note{background:var(--dd-bg);border:1px solid var(--dd-line2);border-radius:10px;margin:2px 0 12px;padding:10px 12px 11px}.dd-chat-note p{color:var(--dd-ink2);margin:0;font-size:13px;line-height:1.6}.dd-chat-note.warming{background:0 0;border-style:dashed}.dd-chat-note.warming p{font-family:var(--dd-mono);color:var(--dd-grey);font-size:11.5px;line-height:1.7}.dd-chat-note.signin .go-signin{color:var(--dd-bg);background:var(--dd-ink);transition:background .16s, transform .12s var(--dd-ease);border-radius:8px;margin-top:9px;padding:7px 14px 8px;font-size:13px;font-weight:500;display:inline-flex}.dd-chat-note.signin .go-signin:hover{background:#2c2820}.dd-chat-note.signin .go-signin:active{transform:scale(.97)}.dd-chat-form{border-top:1px solid var(--dd-line);background:var(--dd-white);flex:none;align-items:flex-end;gap:8px;padding:10px 12px 8px;display:flex}.dd-chat-form textarea{resize:none;min-width:0;font-family:var(--dd-sans);color:var(--dd-ink);background:var(--dd-bg);border:1px solid var(--dd-line2);field-sizing:content;border-radius:10px;flex:auto;min-height:38px;max-height:96px;padding:8px 12px 9px;font-size:14px;line-height:1.5;transition:border-color .15s}.dd-chat-form textarea::placeholder{color:var(--dd-grey)}.dd-chat-form textarea:hover{border-color:var(--dd-faint)}.dd-chat-form textarea:focus{border-color:var(--dd-ink);outline:none}.dd-chat-form textarea:focus-visible{outline:2px solid var(--dd-red);outline-offset:2px}.dd-chat-form .send{height:38px;font-family:var(--dd-sans);background:var(--dd-ink);color:var(--dd-bg);border:1px solid var(--dd-ink);cursor:pointer;transition:background .16s, transform .12s var(--dd-ease);border-radius:10px;flex:none;padding:0 16px;font-size:14px;font-weight:500}.dd-chat-form .send:hover{background:#2c2820}.dd-chat-form .send:active{transform:scale(.97)}.dd-chat-form .send:disabled{opacity:.45;cursor:default}.dd-chat-hint{font-family:var(--dd-mono);color:var(--dd-grey);background:var(--dd-white);flex:none;margin:0;padding:0 14px 9px;font-size:10.5px}@media (max-width:640px){.xd-docs .dd-chat-fab.is-open{opacity:0;pointer-events:none}.xd-docs .dd-chat-scrim{z-index:60;background:#1a171247;animation:.2s ease-out both dd-chat-scrim-in;display:block;position:fixed;inset:0}.xd-docs .dd-chat-panel{width:auto;height:min(82dvh,620px);padding-bottom:env(safe-area-inset-bottom,0px);border-bottom:0;border-left:0;border-right:0;border-radius:16px 16px 0 0;bottom:0;left:0;right:0}.dd-chat-hint{display:none}}@keyframes dd-chat-scrim-in{0%{opacity:0}}@media (prefers-reduced-motion:reduce){.xd-docs .dd-chat-panel,.xd-docs .dd-chat-scrim{animation:none}}