.chat-page{display:grid;grid-template-columns:260px minmax(0,820px);gap:24px;justify-content:center;height:calc(100vh - 126px);min-height:540px}
.conversation-panel,.chat-workspace{min-height:0;background:var(--card);border:1px solid var(--line);border-radius:6px}
.conversation-panel{overflow:hidden;display:flex;flex-direction:column}
.conversation-heading{display:grid;gap:10px;padding:15px;border-bottom:1px solid var(--line)}
.conversation-title-row{display:flex;justify-content:space-between;align-items:center;gap:12px}.conversation-heading form{margin:0}.small-button{padding:7px 10px;white-space:nowrap}
.conversation-tools{display:grid;grid-template-columns:1fr 1fr;gap:7px}.conversation-tools>a{padding:7px 8px;border:1px solid #cdbfae;border-radius:3px;background:#f5efe4;font:12px/1.2 Arial,sans-serif;text-align:center;text-decoration:none;color:var(--accent)}.conversation-tools>a:hover{background:#ece2d2}
.conversation-list{display:block;overflow-y:auto;padding:8px}
.conversation-list a{display:block;padding:10px;border-radius:4px;color:inherit;text-decoration:none;border-bottom:1px solid var(--line)}
.conversation-list a.active{background:#ece5d7}.conversation-list span,.conversation-list small{display:block}.conversation-list small{margin-top:4px;color:#756f66}
.chat-workspace{display:grid;grid-template-rows:auto minmax(0,1fr) auto;overflow:hidden}
.chat-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;padding:16px 20px;border-bottom:1px solid var(--line)}
.chat-heading h1,.chat-heading p{margin:0}.chat-heading>p{max-width:400px;color:#6b655c;font-size:14px}
.chat-heading-actions{display:flex;align-items:flex-end;gap:12px;max-width:430px}.chat-heading-actions form{margin:0}.chat-heading-actions p{color:#6b655c;font-size:14px}.archived-composer{padding:16px 20px;border-top:1px solid var(--line);background:#eee5d7;color:var(--muted)}
.chat{position:relative;width:auto;max-width:none;margin:0;overflow-y:auto;padding:12px 20px;scroll-behavior:smooth}
.chat .message{position:relative}.message-body.collapsed{max-height:340px;overflow:hidden;mask-image:linear-gradient(to bottom,#000 75%,transparent);-webkit-mask-image:linear-gradient(to bottom,#000 75%,transparent)}
.message-toggle{background:transparent;color:var(--ink);border:0;padding:6px 0;text-decoration:underline}
.load-older{display:block;text-align:center;margin:3px auto 12px;color:inherit}.jump-latest{position:sticky;bottom:8px;display:block;margin:0 auto;padding:8px 12px;box-shadow:0 2px 8px #0003}
.chat-workspace .composer{width:auto;max-width:none;margin:0;padding:12px 20px;border-top:1px solid var(--line);background:var(--card)}
.chat-workspace .composer textarea{max-height:150px}
.composer-input{flex:1}.web-search-option{display:flex;align-items:center;gap:7px;margin-top:6px;font:12px Arial,sans-serif;color:#6d655b}.web-search-option input{width:auto}.message-actions{display:flex;align-items:center;gap:14px}.message-actions form{margin:0}.text-button{background:transparent;color:var(--accent);padding:6px 0;text-decoration:underline}.message-sources{border-top:1px solid var(--line);margin-top:12px;padding-top:9px;font:12px/1.5 Arial,sans-serif}.message-sources strong,.message-sources a{display:block}.message-sources a{margin-top:4px;color:var(--accent)}
.conversation-filters{display:grid;grid-template-columns:1fr 180px 190px auto;gap:10px}.conversation-bulk-tools{display:flex;flex-wrap:wrap;gap:9px;margin:16px 0}.conversation-management-list{padding-top:8px}.conversation-management-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:13px;padding:13px 0;border-bottom:1px solid var(--line)}.conversation-management-row>input{width:auto}.conversation-management-row span,.conversation-management-row small,.conversation-management-row em{display:block}.conversation-management-row em{margin-top:7px;color:var(--muted);font:13px/1.4 Arial,sans-serif}.conversation-management-row>a{color:var(--accent);font-weight:bold}
@media(max-width:760px){.chat-page{display:flex;flex-direction:column;height:calc(100vh - 112px);min-height:620px}.conversation-panel{flex:0 0 auto;max-height:145px}.conversation-list{display:flex;gap:6px}.conversation-list a{min-width:160px}.chat-workspace{flex:1}.chat-heading-actions p{display:none}.conversation-filters{grid-template-columns:1fr}.conversation-management-row{grid-template-columns:auto 1fr}.conversation-management-row>a{grid-column:2}}