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0;display:flex;flex-direction:column;overflow:hidden;max-width:none}body.chat-page .container>h1{display:none}.chat-layout{flex:1;min-height:0;flex-direction:column;height:auto;gap:0}.chat-card{flex:1;min-height:0;width:100%;border:none;border-radius:0;box-shadow:none}.chat-topic-bar{flex-wrap:wrap;gap:6px 10px;padding:8px 10px;background:var(--surface)}.chat-sidebar-toggle{display:inline-flex;flex-shrink:0;font-size:16px;padding:4px 10px}.chat-bar-controls{flex-wrap:wrap;flex-shrink:1;min-width:0;gap:6px 10px}.chat-bar-controls select{max-width:138px}.chat-messages{padding:14px 12px 8px;gap:14px}.chat-assistant .chat-bubble{max-width:100%;background:transparent;padding:0 2px;border-radius:0}.chat-user .chat-bubble{max-width:86%}.chat-input-row{gap:8px;padding:8px 10px calc(10px + env(safe-area-inset-bottom,0px));background:var(--surface);align-items:center}.chat-input-row textarea{min-width:0;border-radius:20px;padding:9px 14px}.chat-attach{width:38px;height:38px;padding:0;border-radius:50%;flex-shrink:0}.chat-send{width:40px;height:40px;padding:0;border-radius:50%;flex-shrink:0;font-size:16px}.chat-send .send-label{display:none}.chat-backdrop{position:fixed;top:54px;left:0;right:0;bottom:0;background:#0f172a66;z-index:24}.chat-sidebar{display:none}.chat-sidebar.chat-sidebar-open{display:flex;position:fixed;top:54px;bottom:0;left:0;width:min(320px,86vw);z-index:25;background:var(--bg);padding:12px;box-shadow:10px 0 30px #0f172a40}.chat-sidebar .chat-conv-list{flex:1;max-height:none}}@media (max-width: 480px){h1{font-size:22px}}