.cb-fab{position:fixed;bottom:24px;right:24px;z-index:150;width:56px;height:56px;padding:0;border:none;border-radius:var(--r-pill,999px);background:var(--accent);color:#fff;cursor:pointer;display:grid;place-items:center;box-shadow:var(--shadow-lg),0 0 0 0 var(--accent-ring);transition:transform .18s var(--ease,cubic-bezier(.32,.72,0,1)),box-shadow .3s}.cb-fab:hover{transform:translateY(-2px)}.cb-fab svg{width:22px;height:22px}@media (max-width:720px){.cb-fab{bottom:92px;right:16px;width:46px;height:46px}.cb-fab svg{width:18px;height:18px}}.cb-fab .cb-badge{position:absolute;top:-4px;right:-4px;min-width:20px;height:20px;padding:0 5px;border-radius:99px;background:var(--danger);color:#fff;font-size:11px;font-weight:700;display:grid;place-items:center;border:2px solid var(--bg)}.cb-scrim{position:fixed;inset:0;z-index:155;background:rgba(0,0,0,.28);transition:opacity .2s}.cb-panel{position:fixed;bottom:24px;right:24px;z-index:160;width:384px;max-width:calc(100vw - 32px);height:600px;max-height:calc(100vh - 88px);background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg,16px);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden;transform-origin:bottom right}@media (prefers-reduced-motion:no-preference){.cb-panel{animation:cbIn .26s var(--ease,cubic-bezier(.32,.72,0,1))}}@keyframes cbIn{0%{transform:translateY(16px) scale(.96);opacity:0}to{transform:none;opacity:1}}.cb-head{padding:15px 16px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;display:flex;align-items:center;gap:11px;flex-shrink:0}.cb-head .av{width:38px;height:38px;border-radius:11px;background:rgba(255,255,255,.2);display:grid;place-items:center;font-size:20px;flex-shrink:0}.cb-head .ti{flex:1;min-width:0}.cb-head .ti b{font-size:15px;font-weight:750;display:block}.cb-head .ti span{font-size:12px;opacity:.85;display:flex;align-items:center;gap:5px}.cb-head .ti span .dot{width:7px;height:7px;border-radius:99px;background:#4ade80}.cb-head .x{width:32px;height:32px;border-radius:8px;border:none;background:rgba(255,255,255,.16);color:#fff;cursor:pointer;display:grid;place-items:center;font-size:16px}.cb-body{flex:1;overflow-y:auto;padding:18px 16px;display:flex;flex-direction:column;gap:12px;background:var(--surface-2)}.cb-row{display:flex;gap:9px;max-width:88%}.cb-row.bot{align-self:flex-start}.cb-row.user{align-self:flex-end;flex-direction:row-reverse}.cb-av{width:28px;height:28px;border-radius:8px;flex-shrink:0;display:grid;place-items:center;font-size:15px;background:var(--accent);color:#fff}.cb-bubble{padding:10px 13px;border-radius:13px;font-size:13.5px;line-height:1.5;background:var(--surface);border:1px solid var(--border);border-bottom-left-radius:4px;color:var(--text)}.cb-row.user .cb-bubble{background:var(--accent);color:#fff;border-color:transparent;border-bottom-left-radius:13px;border-bottom-right-radius:4px}.cb-time{font-size:10.5px;color:var(--text-subtle);margin-top:4px}.cb-typing{display:flex;gap:4px;padding:12px 14px;background:var(--surface);border:1px solid var(--border);border-radius:13px;border-bottom-left-radius:4px;width:fit-content}.cb-typing i{width:7px;height:7px;border-radius:99px;background:var(--text-subtle);animation:cbBounce 1.1s infinite}.cb-typing i:nth-child(2){animation-delay:.15s}.cb-typing i:nth-child(3){animation-delay:.3s}@keyframes cbBounce{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-5px);opacity:1}}.cb-chips{display:flex;flex-wrap:wrap;gap:7px;padding:0 16px 4px}.cb-chip{padding:8px 13px;border-radius:var(--r-pill,999px);border:1px solid var(--border-strong);background:var(--surface);color:var(--text);font:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:all .14s}.cb-chip:hover{border-color:var(--accent);color:var(--accent-text);background:var(--accent-soft)}.cb-chip .e{margin-right:5px}.cb-foot{flex-shrink:0;border-top:1px solid var(--border);padding:12px 14px;background:var(--surface)}.cb-input{display:flex;gap:8px;align-items:flex-end}.cb-input textarea{flex:1;min-height:42px;max-height:110px;padding:11px 13px;border-radius:12px;border:1px solid var(--border-strong);background:var(--surface-2);color:var(--text);font:inherit;font-size:13.5px;outline:none;resize:none;line-height:1.4}.cb-input textarea:focus{border-color:var(--accent)}.cb-send{width:42px;height:42px;border-radius:12px;border:none;background:var(--accent);color:#fff;cursor:pointer;display:grid;place-items:center;flex-shrink:0}.cb-send:disabled{opacity:.45;cursor:not-allowed}.cb-priv{font-size:10.5px;color:var(--text-subtle);text-align:center;margin-top:8px}.cb-ticket{background:var(--surface);border:1px solid var(--border);border-radius:13px;overflow:hidden;border-bottom-left-radius:4px;margin-top:8px}.cb-ticket .th{padding:11px 13px;background:var(--success-soft);color:var(--success);display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700}.cb-ticket .tb{padding:12px 13px;font-size:13px}.cb-ticket .tid{font-family:var(--mono,ui-monospace,monospace);font-size:15px;font-weight:600;color:var(--text)}.cb-ticket .tr{display:flex;justify-content:space-between;padding:4px 0;color:var(--text-muted)}.cb-ticket .tr b{color:var(--text);font-weight:600}@media (max-width:520px){.cb-panel{bottom:0;right:0;width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;border-radius:0}.cb-fab{bottom:16px;right:16px}}