.lk-chat-shell{background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:16px;padding:20px;max-width:980px}.lk-chat-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px}.lk-chat-title{font-size:22px;color:var(--blue);font-weight:700;font-family:Unbounded,Golos Text,sans-serif}.lk-chat-sub{font-size:13px;line-height:1.45;color:var(--muted);margin-top:4px;max-width:620px}.lk-chat-status{font-size:12px;font-weight:600;border-radius:999px;padding:6px 10px;background:#eef2ff;color:#1a3ea8;white-space:nowrap}.lk-chat-list{height:min(56vh,520px);overflow:auto;background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:8px}.lk-chat-row{display:flex}.lk-chat-row.client{justify-content:flex-end}.lk-chat-bubble{max-width:78%;padding:10px 12px;border-radius:12px;font-size:14px;line-height:1.45;word-break:break-word}.lk-chat-row.client .lk-chat-bubble{background:var(--blue);color:#fff;border-bottom-right-radius:6px}.lk-chat-row.operator .lk-chat-bubble{background:var(--card);color:var(--text);border:1px solid var(--border);border-bottom-left-radius:6px}.lk-chat-meta{font-size:11px;opacity:.78;margin-top:6px;display:flex;gap:8px;align-items:center}.lk-chat-tag{display:inline-flex;padding:2px 8px;border-radius:999px;font-size:10px;font-weight:700;background:#ffa4122e;color:#9a5a00;text-transform:uppercase;letter-spacing:.04em}.lk-chat-files{display:flex;flex-direction:column;gap:4px;margin-top:8px}.lk-chat-file{font-size:12px;text-decoration:none;color:inherit;border:1px dashed rgba(255,255,255,.35);padding:4px 8px;border-radius:8px;background:#ffffff14}.lk-chat-row.operator .lk-chat-file{border-color:var(--border);background:var(--bg)}.lk-chat-empty{padding:32px 12px;text-align:center;color:var(--muted);font-size:14px}.lk-chat-compose{margin-top:12px;border:1px solid var(--border);border-radius:12px;padding:12px;background:var(--card)}.lk-chat-text{width:100%;min-height:92px;max-height:220px;resize:vertical;border:1px solid var(--border);border-radius:10px;padding:10px 12px;font-size:14px;outline:none;background:var(--bg);color:var(--text)}.lk-chat-actions{margin-top:10px;display:flex;justify-content:space-between;gap:10px;align-items:center;flex-wrap:wrap}.lk-chat-attach{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}.lk-chat-attach input{font-size:12px;max-width:280px}.lk-chat-send{border:none;background:var(--blue);color:#fff;border-radius:10px;padding:10px 16px;font-size:13px;font-weight:700;cursor:pointer;min-width:150px}.lk-chat-send[disabled]{opacity:.55;cursor:not-allowed}.lk-chat-note{margin-top:8px;font-size:11px;color:var(--muted);line-height:1.4}.lk-chat-error{margin-top:8px;font-size:12px;color:#b72020}@media(max-width:768px){.lk-chat-shell{padding:14px}.lk-chat-title{font-size:18px}.lk-chat-list{height:48vh}.lk-chat-bubble{max-width:92%}.lk-chat-actions{align-items:flex-start;flex-direction:column}.lk-chat-send{width:100%}}