.app-layout{display:flex;flex:1;min-height:0}
.chat-main{display:flex;flex-direction:column;flex:1;min-width:0;min-height:0;position:relative}
.sidebar{width:260px;flex-shrink:0;border-right:1px solid var(--line);padding:22px 14px;display:flex;flex-direction:column;gap:16px;overflow:auto;background:#f0f3ed}
.sidebar>.primary{font-size:13px;text-align:center;padding:13px}
#conversation-search{width:100%;padding:11px 12px;border:1px solid #dce3d8;border-radius:9px;background:#fff9;font-size:12px;outline-offset:1px}
.sidebar-caption{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted);padding:0 6px}
.conversation-list{display:flex;flex-direction:column;gap:5px}
.conversation-item{border:1px solid transparent;background:none;border-radius:10px;padding:11px 12px;text-align:left;min-width:0;display:flex;flex-direction:column;gap:7px;color:var(--ink)}
.conversation-item:hover{background:#e7ede2}.conversation-item.selected{background:#fff;border-color:#d8e2d3;box-shadow:0 2px 8px #28452206}
.conversation-item>span{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;width:100%}.conversation-item small{color:var(--muted);font-size:10px}
.sidebar-note{font-size:10px;color:var(--muted);margin-top:auto;padding:16px 6px 0;line-height:1.7}
#sidebar-close,#menu-toggle{display:none}
.workspace-bar{padding:18px 28px 12px;gap:12px;border-bottom:1px solid #e9ede5;max-width:none}
.workspace-bar>.conversation-heading{display:flex;flex-direction:column;align-items:flex-start;gap:7px;min-width:0}
#conversation-title{font-size:14px;max-width:100%;text-overflow:ellipsis;white-space:nowrap;overflow:hidden;font-weight:600}
.connection{display:flex;align-items:center;gap:7px;font-size:10px;color:var(--muted)}
#rename-conversation{flex-shrink:0}
.conversation{scroll-behavior:auto;overflow-anchor:none;min-height:0;padding-top:20px}
#load-older{margin-bottom:20px;min-height:34px}
.messages{max-width:800px}.message-content{max-width:90%;width:auto}.message.user .message-content{max-width:84%}
.message-text pre{font:12px/1.7 ui-monospace,monospace;background:#edf1e9;border:1px solid #dfe6d8;padding:14px;border-radius:9px;overflow:auto;white-space:pre-wrap;max-width:100%}
.message-foot{display:flex;align-items:center;gap:10px}.message-foot time{margin:0}.message-foot .text-button{font-size:10px;padding:7px 3px}
.asset-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr));gap:10px;max-width:560px;min-width:min(250px,100%)}
.asset-card{margin:12px 0 3px;min-width:0}.asset-card img{width:100%;height:230px;object-fit:contain;cursor:zoom-in;max-height:none;background:#fff}
.asset-actions{gap:10px;flex-wrap:wrap}.asset-actions a,.asset-actions button{font-size:10px}
.activity-panel{max-width:800px;margin:18px auto;padding:15px 18px;border:1px solid #dbe5d5;border-radius:12px;background:#eff4eb;font-size:12px;line-height:1.8}
.activity-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;color:#42673b}.activity-heading>span:before{content:'●';font-size:9px;margin-right:7px;animation:pulse 1.5s infinite;display:inline-block}
#elapsed{font-variant-numeric:tabular-nums;white-space:nowrap;font-size:11px;color:#829278}
#activity-detail{font-size:11px;color:#78856f;margin:6px 0 0}#activity-progress{margin:10px 0 0;border-top:1px solid #dfe7d8;padding-top:10px;white-space:pre-wrap;max-height:160px;overflow:auto}
.jump-latest{position:absolute;bottom:184px;left:50%;transform:translateX(-50%);z-index:3;border:1px solid #d9e1d4;background:#fff;box-shadow:0 3px 14px #20301815;padding:8px 14px;border-radius:20px;color:var(--green);font-size:11px}
.attachment-number{position:absolute;left:4px;top:3px;background:#234e3ccf;color:white;border-radius:5px;font-size:10px;padding:1px 5px}.attachment img{cursor:zoom-in}.attachment button.move-image{top:auto;bottom:9px;left:4px;right:auto;border-radius:5px}
.composer-wrap{max-width:900px}.composer textarea{min-height:46px}.composer-note{font-size:10px}
.image-dialog{border:0;border-radius:16px;padding:18px;max-width:94vw;max-height:94dvh;background:#f8faf6;box-shadow:0 20px 70px #0004}
.image-dialog::backdrop{background:#102018b3}.image-dialog img{display:block;max-width:88vw;max-height:77dvh;object-fit:contain;margin:12px auto}.image-dialog a{font-size:12px;color:var(--green)}
@media(max-width:900px){#menu-toggle,#sidebar-close{display:block}.sidebar{display:none;position:fixed;left:0;top:74px;bottom:0;width:min(300px,86vw);z-index:10;box-shadow:14px 0 35px #20301825}.sidebar-open .sidebar{display:flex}.workspace-bar{padding:15px 20px}.topbar{padding-left:18px}}
@media(max-width:600px){.sidebar{top:61px}.workspace-bar{padding:13px 15px 10px}#conversation-title{font-size:13px}.conversation{padding:14px 13px 20px}.asset-card img{height:200px}.asset-grid{grid-template-columns:1fr;min-width:0}.activity-heading{align-items:flex-start;font-size:11px}.activity-panel{padding:12px}.composer-note{font-size:8px}.message-content{max-width:88%}.message.user .message-content{max-width:90%}.jump-latest{bottom:165px}.empty h1{font-size:22px}}