*{-webkit-tap-highlight-color:transparent!important}.ch-page{height:calc(100vh - var(--db-topbar-h) - 56px);background:var(--db-bg);border-radius:var(--db-radius-lg);border:1px solid var(--db-border);flex-direction:column;max-height:780px;display:flex;position:relative;overflow:hidden}.ch-page--loading{color:var(--db-text-secondary);justify-content:center;align-items:center;gap:16px;font-size:14px}.ch-header{background:var(--db-surface);border-bottom:1px solid var(--db-border);flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;display:flex}.ch-header-left{flex:1;align-items:center;gap:12px;min-width:0;display:flex}.ch-header-avatar{background:linear-gradient(135deg, var(--db-accent), #ff9147);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;font-size:13px;font-weight:800;display:flex;position:relative}.ch-header-online{border:2px solid var(--db-surface);background:#32d278;border-radius:50%;width:10px;height:10px;position:absolute;bottom:2px;right:2px;box-shadow:0 0 6px #32d27899}.ch-header-name{color:var(--db-text-primary);white-space:nowrap;text-overflow:ellipsis;margin-bottom:2px;font-size:15px;font-weight:700;overflow:hidden}.ch-header-status{font-size:12px}.ch-header-online-text{color:#32d278;font-weight:500}.ch-header-typing{color:var(--db-accent);font-style:italic;font-weight:500}.ch-header-right{flex-shrink:0}.ch-conv-status{text-transform:capitalize;letter-spacing:.03em;border-radius:50px;align-items:center;padding:3px 10px;font-size:11px;font-weight:700;display:inline-flex}.ch-conv-status--open{color:#32d278;background:#32d2781f;border:1px solid #32d27840}.ch-conv-status--pending{color:#ffb432;background:#ffb4321f;border:1px solid #ffb43240}.ch-conv-status--resolved{color:#32b4ff;background:#32b4ff1f;border:1px solid #32b4ff40}.ch-conv-status--closed{color:#fff6;border:1px solid var(--db-border);background:#9696961a}.ch-messages-area{scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:var(--db-surface-3) transparent;flex-direction:column;flex:1;gap:2px;padding:16px 16px 8px;display:flex;overflow-y:auto}.ch-messages-area::-webkit-scrollbar{width:4px}.ch-messages-area::-webkit-scrollbar-track{background:0 0}.ch-messages-area::-webkit-scrollbar-thumb{background:var(--db-surface-3);border-radius:4px}.ch-empty-chat{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;margin:auto;padding:40px 20px;display:flex}.ch-empty-icon{background:var(--db-surface-2);border:1px solid var(--db-border);width:72px;height:72px;color:var(--db-text-muted);border-radius:50%;justify-content:center;align-items:center;margin-bottom:4px;display:flex}.ch-empty-title{color:var(--db-text-primary);font-size:16px;font-weight:700}.ch-empty-desc{color:var(--db-text-muted);max-width:240px;font-size:13px;line-height:1.5}.ch-date-divider{justify-content:center;align-items:center;margin:16px 0 8px;display:flex}.ch-date-divider span{background:var(--db-surface-2);border:1px solid var(--db-border);color:var(--db-text-muted);border-radius:50px;padding:3px 12px;font-size:11px;font-weight:500}.ch-system-msg{justify-content:center;margin:8px 0;display:flex}.ch-system-msg span{background:var(--db-surface-2);color:var(--db-text-muted);border-radius:50px;padding:4px 14px;font-size:12px;font-style:italic}.ch-bubble-row{align-items:flex-end;gap:8px;margin-bottom:6px;animation:.2s ch-fade-in;display:flex}@keyframes ch-fade-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.ch-bubble-row--own{flex-direction:row-reverse}.ch-bubble-row--other{flex-direction:row}.ch-avatar{background:var(--db-surface-3);border:1px solid var(--db-border);width:30px;height:30px;color:var(--db-text-secondary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:700;display:flex;overflow:hidden}.ch-avatar img{object-fit:cover;width:100%;height:100%}.ch-bubble-group{flex-direction:column;min-width:80px;max-width:72%;display:flex}.ch-bubble-group--own{align-items:flex-end}.ch-staff-label{color:var(--db-text-muted);margin-bottom:3px;padding:0 4px;font-size:11px;font-weight:600}.ch-staff-pos{color:var(--db-text-muted);opacity:.7;font-weight:400}.ch-bubble{word-break:break-word;border-radius:18px;max-width:100%;padding:10px 14px;position:relative}.ch-bubble--own{background:var(--db-accent);color:#fff;border-bottom-right-radius:4px;box-shadow:0 2px 8px #f2692540}.ch-bubble--other{background:var(--db-surface-2);color:var(--db-text-primary);border:1px solid var(--db-border);border-bottom-left-radius:4px}.ch-bubble-text{white-space:pre-wrap;font-size:14px;line-height:1.5}.ch-bubble-image{object-fit:cover;border-radius:10px;max-width:220px;max-height:200px;display:block}.ch-bubble-file{color:inherit;align-items:center;gap:8px;padding:4px 0;font-size:13px;font-weight:600;text-decoration:none;display:flex}.ch-bubble-file:hover{text-decoration:underline}.ch-bubble-audio{max-width:220px;height:36px}.ch-bubble-meta{justify-content:flex-end;align-items:center;gap:4px;margin-top:4px;display:flex}.ch-bubble-time{opacity:.65;font-size:10px;line-height:1}.ch-read-tick{align-items:center;line-height:1;display:flex}.ch-bubble--typing{min-width:60px;padding:12px 16px}.ch-typing-dots{align-items:center;gap:4px;display:flex}.ch-typing-dots span{background:var(--db-text-muted);border-radius:50%;width:7px;height:7px;animation:1.2s ease-in-out infinite ch-typing-bounce}.ch-typing-dots span:first-child{animation-delay:0s}.ch-typing-dots span:nth-child(2){animation-delay:.2s}.ch-typing-dots span:nth-child(3){animation-delay:.4s}@keyframes ch-typing-bounce{0%,60%,to{opacity:.4;transform:translateY(0)}30%{opacity:1;transform:translateY(-6px)}}.ch-bubble--own.ch-bubble--failed{background:#ff505033;border:1px solid #ff50504d}.ch-input-bar{background:var(--db-surface);border-top:1px solid var(--db-border);flex-shrink:0;align-items:flex-end;gap:8px;padding:12px 16px;display:flex}.ch-input-action{color:var(--db-text-muted);cursor:pointer;border-radius:var(--db-radius-sm);transition:color var(--db-transition), background var(--db-transition);background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;margin-bottom:2px;padding:8px;display:flex}.ch-input-action:hover{color:var(--db-text-primary);background:var(--db-surface-2)}.ch-input-wrapper{background:var(--db-surface-2);border:1px solid var(--db-border);transition:border-color var(--db-transition);border-radius:22px;flex:1;align-items:center;min-height:44px;padding:10px 16px;display:flex}.ch-input-wrapper:focus-within{border-color:var(--db-border-hover)}.ch-input{color:var(--db-text-primary);font-size:14px;font-family:var(--db-font);resize:none;scrollbar-width:none;background:0 0;border:none;outline:none;width:100%;max-height:120px;line-height:1.5;overflow-y:auto}.ch-input::-webkit-scrollbar{display:none}.ch-input::placeholder{color:var(--db-text-muted)}.ch-input:disabled{opacity:.5}.ch-send-btn{background:var(--db-accent);color:#fff;cursor:pointer;width:44px;height:44px;transition:opacity var(--db-transition), transform var(--db-transition);border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex;box-shadow:0 2px 12px #f2692559}.ch-send-btn:hover:not(:disabled){opacity:.88;transform:scale(1.05)}.ch-send-btn:disabled{opacity:.5;cursor:not-allowed}.ch-mic-btn{background:var(--db-accent);color:#fff;cursor:pointer;width:44px;height:44px;transition:all var(--db-transition);border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex;box-shadow:0 2px 12px #f2692559}.ch-mic-btn:hover{opacity:.88;transform:scale(1.05)}.ch-mic-btn--recording{background:#f44;animation:1s ease-in-out infinite ch-mic-pulse;box-shadow:0 0 0 8px #f443}@keyframes ch-mic-pulse{0%,to{box-shadow:0 0 0 8px #f443}50%{box-shadow:0 0 0 14px #ff44440d}}@media (width<=768px){.ch-page{height:calc(100vh - var(--db-mobile-topbar-h) - var(--db-bottom-nav-h) - 32px);border-radius:var(--db-radius-md);max-height:none}.ch-bubble-group{max-width:82%}.ch-messages-area{padding:12px 12px 6px}.ch-input-bar{padding:10px 12px}}