.atlas-chat{top:var(--chat-top,0px);z-index:10;height:var(--chat-height,100dvh);box-sizing:border-box;width:100%;max-width:760px;padding:env(safe-area-inset-top) 0 0;flex-direction:column;margin:auto;font-family:system-ui,sans-serif;display:flex;position:fixed;left:0;right:0;overflow:hidden}.atlas-chat *{box-sizing:border-box}.atlas-chat button{font:inherit;cursor:pointer;color:inherit;border:1px solid var(--chat-line);background:var(--chat-card);border-radius:12px;min-height:44px;padding:10px 14px}.atlas-chat button:disabled{opacity:.55;cursor:default}.chat-header{border-bottom:1px solid var(--chat-line);flex-shrink:0;align-items:center;gap:14px;padding:20px 18px 12px;display:flex}.chat-header h1{margin:0 0 5px;font-size:28px;font-weight:500}.chat-header small,.chat-status,.chat-note{color:var(--chat-muted)}.chat-status{flex-shrink:0;padding:10px 18px;font-size:12px}.chat-inbox{overscroll-behavior:contain;flex:1;min-height:0;padding:6px 14px;overflow:auto}.atlas-chat .chat-row{text-align:left;border:0;border-bottom:1px solid var(--chat-line);background:0 0;border-radius:0;align-items:center;gap:12px;width:100%;padding:18px 4px;display:flex}.chat-avatar{background:var(--chat-card);border:1px solid var(--chat-line);border-radius:50%;flex-shrink:0;place-items:center;width:44px;height:44px;display:grid}.chat-preview{flex-direction:column;flex:1;gap:6px;min-width:0;display:flex}.chat-preview>span{color:var(--chat-muted);white-space:nowrap;text-overflow:ellipsis;font-size:14px;overflow:hidden}.chat-meta{color:var(--chat-muted);flex-direction:column;align-items:flex-end;gap:7px;font-size:11px;display:flex}.chat-meta b{background:var(--chat-accent);color:#fff;text-align:center;border-radius:20px;min-width:24px;padding:5px}.chat-empty{text-align:center;color:var(--chat-muted);padding:38px 16px;line-height:1.6}.chat-empty h2{font-size:21px;font-weight:500}.chat-start{width:100%;margin:12px 0;display:block}.chat-history{overscroll-behavior:contain;flex-direction:column;flex:1;gap:12px;min-height:0;padding:16px 18px;display:flex;overflow:auto}.chat-bubble{border:1px solid var(--chat-line);background:var(--chat-card);border-radius:16px;flex-shrink:0;max-width:86%;padding:11px 14px}.chat-bubble.mine{border-color:var(--chat-accent);align-self:flex-end}.chat-bubble.theirs{align-self:flex-start}.chat-bubble p{white-space:pre-wrap;overflow-wrap:anywhere;margin:0;font-size:15px;line-height:1.5}.chat-bubble small{text-align:right;color:var(--chat-muted);margin-top:7px;font-size:10px;display:block}.chat-composer{border-top:1px solid var(--chat-line);flex-shrink:0;align-items:flex-end;gap:10px;padding:12px 14px 4px;display:flex}.chat-composer textarea{font:inherit;resize:none;background:var(--chat-card);min-width:0;max-height:140px;color:inherit;border:1px solid var(--chat-line);border-radius:12px;flex:1;padding:10px;font-size:16px;line-height:1.4}.chat-composer button{background:var(--chat-accent);color:#fff}.chat-note{text-align:center;padding:6px 12px max(12px,env(safe-area-inset-bottom));flex-shrink:0;font-size:10px}.chat-error{color:#674023;background:#fff0e3;padding:12px 18px;font-size:14px;line-height:1.5}.chat-older,.chat-latest{flex-shrink:0;align-self:center}.sr-only{clip:rect(0,0,0,0);width:1px;height:1px;position:absolute;overflow:hidden}@media (width>=800px){.atlas-chat{border-left:1px solid var(--chat-line);border-right:1px solid var(--chat-line)}.chat-header{padding:26px}.chat-history{padding:24px 32px}.chat-bubble{max-width:72%}}.atlas-chat[data-keyboard=true]{padding-top:0}.atlas-chat[data-keyboard=true] .chat-header{padding:8px 14px}.atlas-chat[data-keyboard=true] .chat-header h1{margin-bottom:2px;font-size:22px}.atlas-chat[data-keyboard=true] .chat-status{padding:4px 14px}.atlas-chat[data-keyboard=true] .chat-composer{padding:8px 12px}.atlas-chat[data-keyboard=true] .chat-note{display:none}