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var(--color-border);cursor:zoom-in;object-fit:cover;background:#fff;border-radius:8px;max-width:280px;max-height:220px;margin-top:4px;display:block}.chat-att-file{border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-dark);border-radius:8px;align-items:center;gap:6px;max-width:280px;margin-top:4px;padding:6px 10px;font-size:12.5px;text-decoration:none;display:inline-flex}.chat-att-file span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.chat-doccard{border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-dark);border-radius:10px;align-items:center;gap:10px;padding:8px 12px;text-decoration:none;display:flex}.chat-doccard small{color:#999;font-size:11px;display:block}.chat-typing{color:#999;min-height:20px;padding:2px 20px 4px;font-size:11.5px}.chat-composer{border-top:1px solid var(--color-border);background:var(--color-surface);padding:10px 14px calc(10px + var(--safe-bottom));position:relative}.chat-composer-ctx{border-left:3px solid var(--color-accent);color:#6b5a45;background:#cfb59624;border-radius:4px;align-items:center;gap:8px;margin-bottom:8px;padding:5px 8px;font-size:12px;display:flex}.chat-composer-ctx span{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.chat-composer-files{flex-wrap:wrap;gap:6px;margin-bottom:8px;display:flex}.chat-filechip{border:1px solid var(--color-border);background:var(--color-light);border-radius:8px;align-items:center;gap:6px;max-width:220px;padding:3px 4px 3px 6px;font-size:12px;display:inline-flex}.chat-filechip img{object-fit:cover;border-radius:4px;width:30px;height:30px}.chat-filechip span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.chat-composer-row{align-items:flex-end;gap:6px;display:flex}.chat-input{resize:none;border:1px solid var(--color-border);background:#fff;border-radius:10px;outline:none;flex:1;min-height:40px;max-height:160px;padding:9px 12px;font-family:inherit;font-size:14px;line-height:1.4}.chat-input:focus{border-color:var(--color-primary-mid)}.chat-mention-pop{border:1px solid var(--color-border);box-shadow:var(--shadow-md);z-index:20;background:#fff;border-radius:8px;min-width:240px;max-height:220px;position:absolute;bottom:100%;left:14px;overflow-y:auto}.chat-mention-pop button{text-align:left;cursor:pointer;background:0 0;border:none;width:100%;padding:7px 12px;font-family:inherit;font-size:13px;display:block}.chat-mention-pop button.active,.chat-mention-pop button:hover{background:var(--color-primary-alpha)}.chat-mention-pop small{color:#999;font-size:11px;display:block}.chat-drop{border:2px dashed var(--color-primary-mid);border-radius:var(--radius-lg);color:var(--color-primary);z-index:30;pointer-events:none;background:#133c2b14;justify-content:center;align-items:center;font-weight:600;display:flex;position:absolute;inset:0}.chat-empty{color:#aaa;text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:8px;padding:20px;font-size:13px;display:flex}.chat-userlist{border:1px solid var(--color-border);border-radius:8px;max-height:240px;overflow-y:auto}.chat-userrow{border-bottom:1px solid var(--color-border);cursor:pointer;align-items:center;gap:8px;padding:7px 10px;font-size:13px;display:flex}.chat-userrow:last-child{border-bottom:none}.chat-userrow:hover{background:var(--color-primary-alpha)}.chat-userrow small{color:#9a5200;font-size:11px;display:block}.chat-absent{color:#9a5200;font-size:11px}.niki-tab{z-index:999;cursor:pointer;background:var(--color-primary);color:#ffffffe6;opacity:.82;border:none;border-radius:10px 0 0 10px;flex-direction:column;align-items:center;gap:6px;padding:12px 6px 12px 5px;font-family:inherit;transition:transform .18s,opacity .18s,padding .18s;display:flex;position:fixed;top:50%;right:0;transform:translate(4px,-50%);box-shadow:-2px 2px 10px #0000002e}.niki-tab span{writing-mode:vertical-rl;letter-spacing:.12em;font-size:11px;font-weight:700;transform:rotate(180deg)}.niki-tab:hover,.niki-tab:focus-visible{opacity:1;color:#fff;padding-left:9px;transform:translateY(-50%)}@media (width<=767px){.niki-tab{gap:4px;padding:9px 4px}.niki-tab span{font-size:10px}}.nav-count{background:var(--color-accent);color:var(--color-primary);border-radius:10px;justify-content:center;align-items:center;min-width:18px;height:18px;margin-left:auto;padding:0 5px;font-size:10.5px;font-weight:700;display:inline-flex}.nav-dot{background:var(--color-accent);border-radius:50%;width:8px;height:8px;position:absolute;top:4px;right:10px}@media (width<=768px){.chat-shell{height:calc(var(--vh100) - 56px - var(--safe-top));border-left:none;border-right:none;border-radius:0;margin:-16px}.chat-list{border-right:none;width:100%}.chat-msg{max-width:90%}.chat-head{padding:10px 12px}.chat-messages{padding:10px 10px 6px}.chat-att-img{max-width:220px}.chat-msg .chat-tools{display:none!important}}