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translateY(-10px);position:absolute;inset:0;pointer-events:none}.chat-input-area{padding:20px 32px 1px;padding-bottom:max(1px,env(safe-area-inset-bottom));background:var(--bg-elev)}.chat-app .chat-input-wrapper{max-width:1200px;margin:0 auto;padding:0;border-top:none;background:none}.chat-input-container{display:flex;align-items:center;gap:12px;background:var(--bg-elev);border:1px solid var(--line);border-radius:24px;padding:8px 8px 8px 20px;transition:border-color .15s ease}.chat-input-container:focus-within,.chat-input-container.active{border-color:var(--line-strong)}.chat-input-footer{font-size:12px;color:var(--text-dim);text-align:center;padding:8px 0}.chat-input-field{flex:1;background:none;border:none;outline:none;font-family:var(--sans);font-size:16px;color:var(--text);resize:none;min-height:26px;max-height:120px;line-height:1.5;overflow-y:auto}.chat-input-field::-moz-placeholder{color:var(--text-dim)}.chat-input-field::placeholder{color:var(--text-dim)}.chat-input-field::-webkit-scrollbar{width:6px}.chat-input-field::-webkit-scrollbar-track{background:transparent}.chat-input-field::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}.chat-input-field::-webkit-scrollbar-thumb:hover{background:var(--line-strong)}.chat-app .chat-send-btn{width:32px;height:32px;background:#2e2e2e;border:none;border-radius:50%;cursor:default;display:flex;align-items:center;justify-content:center;transition:background .15s var(--ease),transform .15s var(--ease),color .15s var(--ease);color:#6b6b6b;flex-shrink:0}.chat-app .chat-send-btn.active{background:#fff;color:#000;cursor:pointer}.chat-app .chat-send-btn.active:hover{transform:scale(1.05)}.chat-app .chat-messages::-webkit-scrollbar{width:8px}.chat-app .chat-messages::-webkit-scrollbar-track{background:transparent}.chat-app .chat-messages::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}.chat-app .chat-messages::-webkit-scrollbar-thumb:hover{background:var(--line-strong)}.chat-header{display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 16px;border-bottom:1px solid var(--line);background:var(--bg)}.chat-header-btn{display:none;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;color:var(--text-mute);transition:background .15s var(--ease),color .15s var(--ease)}.chat-header-btn:hover{background:#ffffff0f;color:var(--text)}.chat-header-title{font-size:16px;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;text-align:center;padding:0 8px;line-height:56px}@media(max-width:768px){.sidebar{position:fixed;left:0;top:0;bottom:0;z-index:100;margin-left:0;transform:translate(0);transition:transform .25s ease}.sidebar.collapsed{margin-left:0;transform:translate(-100%)}.sidebar-collapse-btn,.sidebar-open-btn{display:none!important}.sidebar-close-btn-mobile{display:flex}.hamburger-btn{display:block;margin-right:12px}.sidebar-overlay{display:block}.chat-app .chat-messages{padding:20px}.chat-input-area{padding:20px 20px 1px;padding-bottom:max(1px,env(safe-area-inset-bottom))}.chat-header-btn{display:flex}.chat-header-title{font-size:13px}.chat-app .chat-welcome{padding:40px 20px}.chat-app .chat-suggestions{max-width:100%}}@media(max-width:760px){.macwin:not(.login-window){margin-inline:16px}.chat-messages{height:clamp(360px,60vh,520px);padding-top:14px}.chat-msg{padding:0 10px}.macwin__title{font-size:12px}.chat-content,.chat-msg-user .chat-bubble{font-size:13.5px}.chat-input-wrapper{padding:8px 12px 14px}.chat-welcome{padding:40px 16px}.login-body{padding:24px 20px}.chat-page{padding:20px 0}}