:root{--bg: #101418;--panel: #1a2129;--panel-2: #232c36;--text: #e6edf3;--muted: #8b98a5;--accent: #4a9eff;--error: #ff7b72}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.shell{display:flex;flex-direction:column;height:100vh;max-width:860px;margin:0 auto}.topbar{display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid var(--panel-2)}.brand{font-weight:700;color:var(--accent)}.bank-chip{font-size:12px;color:var(--muted);background:var(--panel);border:1px solid var(--panel-2);border-radius:999px;padding:2px 10px;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.spacer{flex:1}.user{color:var(--muted);font-size:14px}.link{color:var(--accent);text-decoration:none;font-size:14px}button.link{background:none;border:none;padding:0;cursor:pointer;font:inherit;font-size:14px}button.link:hover{text-decoration:underline}.login-pane{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:24px;text-align:center}.login-button{display:inline-block;background:var(--accent);color:#0c1116;font-weight:600;padding:10px 22px;border-radius:8px;text-decoration:none}.message-list{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}.empty-hint{color:var(--muted);margin-top:30vh;text-align:center;padding:0 24px}.bubble{max-width:78%;padding:10px 14px;border-radius:14px;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.45}.bubble.user{align-self:flex-end;background:var(--accent);color:#0c1116;border-bottom-right-radius:4px}.bubble.assistant{align-self:flex-start;background:var(--panel);border:1px solid var(--panel-2);border-bottom-left-radius:4px}.bubble.pending{opacity:.45;border:1px dashed var(--muted);background:transparent;color:var(--text)}.queue-chip{color:var(--accent)}.agent-select{flex:0 0 auto}.agent-select select{padding:4px 8px;font-size:14px;border:1px solid var(--panel-2);border-radius:4px;background:var(--bg);color:var(--text);cursor:pointer}.note{align-self:center;font-size:12px;color:var(--muted);background:var(--panel);border:1px dashed var(--panel-2);border-radius:8px;padding:4px 12px;max-width:90%}.notice{font-size:13px;color:var(--muted);background:var(--panel);border:1px dashed var(--panel-2);border-radius:8px;padding:8px 14px;max-width:560px}.notice.error,.note.error{color:var(--error);border-color:var(--error)}.composer{border-top:1px solid var(--panel-2);padding:12px 16px}.composer-form{display:flex;gap:10px;align-items:flex-end}.composer textarea{flex:1;resize:none;background:var(--panel);color:var(--text);border:1px solid var(--panel-2);border-radius:10px;padding:10px 12px;font:inherit;line-height:1.4}.composer textarea:focus{outline:none;border-color:var(--accent)}.send{background:var(--accent);color:#0c1116;border:none;border-radius:10px;padding:10px 20px;font-weight:600;cursor:pointer}.send:disabled{opacity:.4;cursor:default}.attach{background:var(--panel-2);color:var(--accent);border:1px solid var(--panel-2);border-radius:10px;padding:10px 14px;font-size:18px;cursor:pointer;transition:background .2s,transform .1s}.attach:hover{background:var(--accent);color:#0c1116}.attach:active{transform:scale(.96)}.saving{color:var(--muted);font-size:12px;margin-top:6px}