.chat-app{height:var(--chat-height,100dvh);background:var(--color-background);overflow:hidden}.chat-sidebar{background:var(--color-surface);border-right:1px solid var(--line);width:236px;padding:24px 16px}.chat-sidebar .brand{padding:0 8px}.chat-sidebar .new-chat{border-color:var(--line);border-radius:var(--radius-sm);min-height:44px;margin-top:28px;padding:10px 12px;font-size:13px}.sidebar-label{margin:24px 12px 8px;font-size:11px}.chat-sidebar .history{padding:0 0 12px}.chat-sidebar .history .conversation-list-item{gap:10px;margin-bottom:4px}.chat-sidebar .sidebar-bottom{border-color:var(--line);font-size:11px;line-height:1.6}.chat-sidebar .admin-link{padding:12px 8px;font-size:12px}.chat-main{position:relative}.chat-header{border-bottom:0;gap:12px;height:64px;padding:0 32px}.chat-header>div{gap:12px;min-width:0}.chat-header strong{font-size:14px;font-weight:600}.chat-header .ui-button{font-size:12px}.chat-header .status-indicator{border-left:1px solid var(--line);padding-left:12px}.chat-scroll{overscroll-behavior:contain;scrollbar-gutter:stable;padding:24px 32px 16px}.chat-welcome{max-width:620px;margin:clamp(32px,12vh,120px) auto 32px}.chat-welcome .welcome-icon{border-radius:var(--radius-md);background:var(--soft);width:40px;height:40px;margin-bottom:24px}.chat-welcome h1{letter-spacing:0;margin-bottom:12px;font-size:30px;font-weight:600;line-height:1.4}.chat-welcome>p{max-width:440px;margin:0 auto 24px;font-size:14px;line-height:1.8}.chat-welcome .suggestions{border:0;flex-wrap:wrap;justify-content:center;gap:8px;max-width:none;margin:0;display:flex}.chat-welcome .suggestions button{border:1px solid var(--line);border-radius:var(--radius-sm);width:auto;min-height:40px;color:var(--muted);gap:12px;padding:8px 12px;font-size:12px}.chat-welcome .suggestions button:hover{background:var(--color-surface);color:var(--ink)}.chat-welcome .tiny{margin-top:20px;font-size:12px}.chat-app .message-list{max-width:720px}.chat-app .message{max-width:100%;margin-bottom:32px}.chat-app .message-meta{align-items:center;gap:12px;margin-bottom:8px;font-size:11px;display:flex}.chat-app .message-meta>span{color:var(--ink);font-size:12px;font-weight:600}.chat-app .message-meta time{color:var(--muted);margin-left:0}.chat-app .bubble{overflow-wrap:anywhere;background:0 0;border:0;border-radius:0;padding:0;font-size:15px;line-height:1.85}.chat-app .message.user{max-width:82%;margin-left:auto}.chat-app .message.user .message-meta{justify-content:flex-end}.chat-app .message.user .bubble{background:var(--color-surface);border-radius:var(--radius-lg);border:0;padding:12px 16px;font-size:14px}.chat-app .message.agent .bubble{border-left:2px solid var(--accent);padding-left:16px}.chat-app .message.system .bubble{color:var(--muted);font-size:13px}.chat-app .citations{max-width:100%;margin-top:12px}.chat-app .citations details{border:1px solid var(--line);border-radius:var(--radius-sm);background:0 0;width:fit-content;max-width:100%;font-size:12px}.chat-app .citations summary{min-height:32px;color:var(--muted);padding:6px 10px;font-size:11px}.chat-app .source-reference{border-top:1px solid var(--line);overflow-wrap:anywhere;max-width:500px}.chat-app .composer-wrap{max-width:784px;padding:8px 32px max(16px, env(safe-area-inset-bottom));width:100%;margin:0 auto}.composer{border:1px solid var(--line);border-radius:var(--radius-lg);flex-direction:column;align-items:stretch;gap:8px;padding:12px 16px;display:flex;box-shadow:0 2px 4px #17191d08}.composer:focus-within{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.composer textarea{resize:none;border:0;outline:0;width:100%;min-height:32px;max-height:160px;padding:2px 0;font-size:15px;line-height:1.65}.composer-bottom{justify-content:space-between;align-items:center;gap:8px;display:flex}.composer-bottom>span{color:var(--muted);font-size:11px}.composer .send-button{border-radius:var(--radius-sm);min-width:36px;height:36px;min-height:36px;padding:0}.composer-hint{margin:10px 0 0;font-size:11px;line-height:1.6}.chat-app .feedback{justify-content:flex-end;gap:8px;margin-bottom:8px;font-size:11px}.feedback button{color:var(--muted);border-radius:4px;min-height:28px;padding:4px 6px;font-size:11px}.feedback button[aria-pressed=true]{background:var(--soft);color:var(--accent)}.chat-app .handoff-note{background:var(--color-surface);color:var(--muted);border-left:2px solid var(--accent);margin:0 0 20px;padding:12px;font-size:12px}.chat-processing{color:var(--muted);align-items:center;gap:10px;padding:8px 0 16px;font-size:13px;display:flex}.chat-pending-message{color:var(--muted);text-align:right;white-space:pre-wrap;overflow-wrap:anywhere;margin-bottom:24px;font-size:12px}.chat-pending-message>p{background:var(--color-surface);border-radius:var(--radius-lg);text-align:left;max-width:82%;color:var(--ink);margin-left:auto;padding:12px 16px}.chat-error{margin-bottom:12px}.chat-jump{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);z-index:2;padding:8px 12px;font-size:12px;position:absolute;bottom:188px;left:50%;transform:translate(-50%);box-shadow:0 2px 4px #17191d0f}.chat-history-drawer .history{flex:1;min-height:0}.chat-app .internal-test-note{color:var(--muted);text-align:center;background:var(--color-surface);padding:4px 12px;font-size:11px}.chat-app .mobile-menu{display:none}.chat-closed{color:var(--muted);text-align:center;padding:12px;font-size:13px}@media (max-width:1023px){.chat-app .chat-sidebar{display:none}.chat-app .mobile-menu{display:inline-flex}.chat-header{padding:0 20px}.chat-header .status-indicator{border-left:0;padding-left:0}.chat-header>div{gap:8px}.chat-welcome{margin-top:10vh}}@media (max-width:767px){.chat-header{height:60px;padding:0 12px}.chat-header strong{font-size:13px}.chat-header>div{flex-wrap:wrap;gap:4px 8px}.chat-header .status-indicator{font-size:10px}.chat-header .ui-button{min-height:44px;padding:8px}.chat-header .human-button span{display:none}.chat-scroll{scrollbar-gutter:auto;padding:24px 20px 12px}.chat-welcome{margin-top:6vh}.chat-welcome h1{font-size:24px}.chat-welcome>p{font-size:13px}.chat-welcome .suggestions{flex-direction:column;align-items:stretch;gap:8px}.chat-welcome .suggestions button{justify-content:space-between;min-height:44px;font-size:12px}.chat-app .composer-wrap{padding:8px 12px max(12px, env(safe-area-inset-bottom))}.composer{border-radius:var(--radius-lg);padding:12px}.composer textarea{font-size:16px}.composer .send-button{min-width:44px;height:44px;min-height:44px}.composer-bottom>span{font-size:10px}.chat-app .bubble{font-size:14px}.chat-app .message{margin-bottom:24px}.chat-app .message.user{max-width:90%}.chat-app .message.user .bubble{font-size:14px}.composer-hint{font-size:10px}.chat-app .feedback{flex-wrap:wrap;justify-content:flex-start}.feedback button{min-height:36px}.chat-app .internal-test-note{font-size:10px}.chat-jump{bottom:170px}.chat-app .message-tools .ui-button{min-height:36px}}