*,::after,::before{box-sizing:border-box;margin:0;padding:0}:root{--chat-primary:#667eea;--chat-secondary:#764ba2;--chat-header-bg:#1a1d27;--chat-bg:#1a1d27;--chat-surface:#2a2d37;--chat-customer-bubble:#667eea;--chat-agent-bubble:#2a2d37;--chat-text-primary:#ffffff;--chat-text-secondary:rgba(255,255,255,0.6);--chat-text-muted:rgba(255,255,255,0.35);--chat-border:rgba(255,255,255,0.08);--chat-radius:18px;--chat-font:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif}body,html{height:100%;height:100dvh;font-family:var(--chat-font);background:var(--chat-bg);overflow:hidden;-webkit-text-size-adjust:100%;color:var(--chat-text-primary)}.chat-container{display:flex;flex-direction:column;height:100dvh;max-width:420px;margin:0 auto;background:var(--chat-bg);position:fixed;top:0;left:0;right:0;overflow:hidden}@media (min-width:421px){.chat-container{box-shadow:0 0 40px rgba(0,0,0,.3)}}.screen{display:none}.screen.active{display:flex;flex-direction:column;height:100%}#homeScreen{position:relative;overflow:hidden}.home-blur-bg{position:absolute;top:-30px;left:-30px;right:-30px;bottom:-30px;background:linear-gradient(135deg,var(--chat-primary),var(--chat-secondary));filter:blur(60px);opacity:.25;z-index:0}.home-content{position:relative;z-index:1;flex:1;display:flex;flex-direction:column;align-items:center;padding:60px 24px 0;overflow-y:auto}.home-avatar{width:64px;height:64px;border-radius:50%;background:var(--chat-surface);display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:700;color:var(--chat-text-primary);margin-bottom:20px;overflow:hidden;border:2px solid rgba(255,255,255,.1)}.home-avatar img{width:100%;height:100%;object-fit:cover}.home-title{font-size:26px;font-weight:700;color:var(--chat-text-primary);text-align:center;line-height:1.3;margin-bottom:32px;max-width:320px}.home-card{width:100%;max-width:340px;background:var(--chat-surface);border-radius:16px;padding:16px;border:1px solid var(--chat-border)}.home-card-header{display:flex;align-items:center;gap:10px;margin-bottom:10px}.home-card-avatar{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;flex-shrink:0;overflow:hidden}.home-card-avatar img{width:100%;height:100%;object-fit:cover}.home-card-info{flex:1;min-width:0}.home-card-name{font-size:14px;font-weight:600;color:var(--chat-text-primary)}.home-card-time{font-size:11px;color:var(--chat-text-muted)}.home-card-message{font-size:13px;color:var(--chat-text-secondary);line-height:1.4;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.home-card-btn{width:100%;padding:10px;border:none;border-radius:10px;background:var(--chat-primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:opacity .2s}.home-card-btn:hover{opacity:.9}.home-card-btn:active{transform:scale(.98)}.home-bottom-nav{position:relative;z-index:1;display:flex;border-top:1px solid var(--chat-border);background:var(--chat-bg);flex-shrink:0}.nav-tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 0;border:none;background:0 0;color:var(--chat-text-muted);font-size:11px;cursor:pointer;transition:color .2s}.nav-tab.active{color:var(--chat-primary)}.nav-tab:hover{color:var(--chat-text-secondary)}#chatScreen{position:relative}.chat-topbar{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;padding:8px 12px;z-index:20;pointer-events:none}.topbar-btn{width:40px;height:40px;border-radius:50%;border:none;background:rgba(0,0,0,.3);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;pointer-events:auto;transition:background .2s;flex-shrink:0}.topbar-btn:hover{background:rgba(0,0,0,.5)}.topbar-spacer{flex:1}.menu-popup{position:absolute;top:56px;right:12px;background:var(--chat-surface);border-radius:12px;padding:6px;min-width:180px;box-shadow:0 8px 24px rgba(0,0,0,.4);border:1px solid var(--chat-border);z-index:30;display:none}.menu-popup.visible{display:block;animation:fadeInDown .15s ease-out}.menu-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;cursor:pointer;font-size:13px;color:var(--chat-text-primary);transition:background .15s}.menu-item:hover{background:rgba(255,255,255,.05)}.menu-item-danger{color:#ef4444}.menu-item-danger:hover{background:rgba(239,68,68,.1)}.menu-item-danger .menu-icon{color:#ef4444}.menu-icon{flex-shrink:0;color:var(--chat-text-secondary)}@keyframes fadeInDown{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.agent-card{display:flex;align-items:center;gap:10px;margin:60px 16px 0;padding:10px 16px;background:var(--chat-surface);border-radius:28px;border:1px solid var(--chat-border);flex-shrink:0;z-index:5}.agent-card-avatar-wrap{position:relative;flex-shrink:0}.agent-card-avatar{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;overflow:hidden}.agent-card-avatar img{width:100%;height:100%;object-fit:cover}.status-dot{position:absolute;bottom:0;right:0;width:10px;height:10px;border-radius:50%;background:#4ade80;border:2px solid var(--chat-surface)}.agent-card-info{flex:1;min-width:0}.agent-card-name{font-size:14px;font-weight:600;color:var(--chat-text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.agent-card-slogan{font-size:12px;color:var(--chat-text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-messages{flex:1;overflow-y:auto;padding:16px;padding-top:8px;background:var(--chat-bg);display:flex;flex-direction:column;gap:4px;scroll-behavior:smooth;-webkit-overflow-scrolling:touch}.message-row{display:flex;align-items:flex-end;gap:8px;animation:fadeInUp .25s ease-out}.message-row.customer{flex-direction:row-reverse}.msg-avatar-small{width:28px;height:28px;border-radius:50%;background:var(--chat-surface);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;flex-shrink:0;overflow:hidden;color:var(--chat-text-secondary);border:1px solid var(--chat-border)}.msg-avatar-small img{width:100%;height:100%;object-fit:cover}.message-bubble{max-width:78%;padding:10px 14px;border-radius:var(--chat-radius);font-size:14px;line-height:1.45;word-wrap:break-word;position:relative}.message-row.agent .message-bubble{background:var(--chat-agent-bubble);color:var(--chat-text-primary);border-bottom-left-radius:4px}.message-row.customer .message-bubble{background:var(--chat-customer-bubble);color:#fff;border-bottom-right-radius:4px}.message-bubble a{color:inherit;text-decoration:underline;text-underline-offset:2px;word-break:break-all}.message-bubble a:hover{opacity:.85}.message-time{font-size:11px;color:var(--chat-text-muted);margin-top:2px;padding:0 4px}.message-row.customer .message-time{text-align:right}.system-message{text-align:center;padding:8px 16px;margin:8px 0;font-size:13px;color:var(--chat-text-secondary);font-weight:500;background:rgba(255,255,255,.05);border-radius:20px;line-height:1.4}.timestamp-separator{text-align:center;padding:12px 0;font-size:11px;color:var(--chat-text-muted);position:relative}.timestamp-separator::after,.timestamp-separator::before{content:'';position:absolute;top:50%;width:30%;height:1px;background:var(--chat-border)}.timestamp-separator::before{left:5%}.timestamp-separator::after{right:5%}.typing-indicator{display:none;align-items:flex-end;gap:8px;padding:4px 0}.typing-indicator.visible{display:flex}.typing-avatar{width:28px;height:28px;border-radius:50%;background:var(--chat-surface);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;flex-shrink:0;overflow:hidden;color:var(--chat-text-secondary);border:1px solid var(--chat-border)}.typing-avatar img{width:100%;height:100%;object-fit:cover}.typing-dots{background:var(--chat-agent-bubble);border-radius:var(--chat-radius);border-bottom-left-radius:4px;padding:12px 16px;display:flex;gap:4px}.typing-dot{width:7px;height:7px;border-radius:50%;background:var(--chat-text-muted);animation:typingBounce 1.2s infinite ease-in-out}.typing-dot:nth-child(2){animation-delay:.15s}.typing-dot:nth-child(3){animation-delay:.3s}@keyframes typingBounce{0%,100%,60%{transform:translateY(0);opacity:.4}30%{transform:translateY(-6px);opacity:1}}.start-chat-area{padding:12px 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0;color:var(--chat-text-primary)}.chat-input::placeholder{color:var(--chat-text-muted)}.btn-send{width:36px;height:36px;border-radius:50%;border:none;background:var(--chat-primary);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:opacity .2s,transform .1s}.btn-send:hover{opacity:.9}.btn-send:active{transform:scale(.95)}.btn-send:disabled{opacity:.3;cursor:default}.btn-send svg{width:18px;height:18px;fill:currentColor}.btn-attach{width:32px;height:32px;border:none;background:0 0;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background .2s;flex-shrink:0;padding:0;color:var(--chat-text-muted)}.btn-attach:hover{background:rgba(255,255,255,.08);color:var(--chat-primary)}.emoji-btn{width:32px;height:32px;border:none;background:0 0;cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background .2s;flex-shrink:0;padding:0;line-height:1}.emoji-btn:hover{background:rgba(255,255,255,.05)}.emoji-picker{position:absolute;bottom:60px;left:12px;right:12px;background:var(--chat-surface);border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.4);border:1px solid var(--chat-border);z-index:50;display:none;flex-direction:column;max-height:280px}.emoji-picker.visible{display:flex;animation:slideUp .2s ease-out}.emoji-tabs{display:flex;border-bottom:1px solid var(--chat-border);padding:4px 8px;gap:2px;flex-shrink:0}.emoji-tab{padding:6px 8px;border:none;background:0 0;font-size:16px;cursor:pointer;border-radius:6px;transition:background .15s;line-height:1}.emoji-tab:hover{background:rgba(255,255,255,.05)}.emoji-tab.active{background:rgba(255,255,255,.1)}.emoji-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:2px;padding:8px;overflow-y:auto;flex:1}.emoji-item{padding:6px;border:none;background:0 0;font-size:22px;cursor:pointer;border-radius:6px;text-align:center;line-height:1;transition:background .1s}.emoji-item:hover{background:rgba(255,255,255,.1)}.emoji-backdrop{display:none}.emoji-backdrop.visible{display:block;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:40}@keyframes slideUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.emoji-grid::-webkit-scrollbar{width:4px}.emoji-grid::-webkit-scrollbar-track{background:0 0}.emoji-grid::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15);border-radius:2px}@media (max-width:420px){.emoji-picker{left:0;right:0;bottom:56px;border-radius:12px 12px 0 0;max-height:260px}}.message-bubble img{max-width:100%;max-height:300px;object-fit:contain;border-radius:8px;display:block;cursor:pointer}.message-bubble.image-message{padding:4px;background:0 0!important;box-shadow:none!important}.image-preview-bar{display:none;align-items:center;gap:8px;padding:8px 12px;border-top:1px solid var(--chat-border);background:var(--chat-surface);flex-shrink:0}.image-preview-bar.visible{display:flex}.image-preview-bar img{width:48px;height:48px;object-fit:cover;border-radius:6px;border:1px solid var(--chat-border)}.image-preview-bar .preview-info{flex:1;font-size:12px;color:var(--chat-text-secondary)}.image-preview-bar .preview-remove{width:28px;height:28px;border-radius:50%;border:none;background:rgba(255,255,255,.1);color:var(--chat-text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;transition:background .2s}.image-preview-bar .preview-remove:hover{background:rgba(255,255,255,.15);color:var(--chat-text-primary)}.image-preview-bar .preview-send{padding:6px 14px;border-radius:16px;border:none;background:var(--chat-primary);color:#fff;font-size:12px;font-weight:600;cursor:pointer;flex-shrink:0;transition:opacity .2s}.image-preview-bar .preview-send:hover{opacity:.9}.message-status{font-size:11px;color:var(--chat-text-muted);text-align:right;margin-top:1px;padding-right:4px}.message-status.delivered{color:var(--chat-text-muted)}.message-status.read{color:var(--chat-primary)}.powered-by{text-align:center;padding:6px;font-size:10px;color:var(--chat-text-muted);background:var(--chat-bg);flex-shrink:0;position:relative;z-index:1}.confirm-overlay{display:none;position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);z-index:100;align-items:center;justify-content:center}.confirm-overlay.visible{display:flex}.confirm-dialog{background:var(--chat-surface);border-radius:16px;padding:24px;margin:24px;max-width:300px;width:100%;text-align:center;box-shadow:0 8px 32px rgba(0,0,0,.3);border:1px solid var(--chat-border)}.confirm-dialog p{font-size:15px;color:var(--chat-text-primary);margin-bottom:20px;line-height:1.4}.confirm-actions{display:flex;gap:10px}.confirm-actions button{flex:1;padding:12px 16px;border-radius:10px;border:none;font-size:14px;font-weight:600;cursor:pointer;transition:opacity .2s}.btn-confirm-cancel{background:rgba(255,255,255,.1);color:var(--chat-text-primary)}.btn-confirm-cancel:hover{background:rgba(255,255,255,.15)}.btn-confirm-end{background:#e74c3c;color:#fff}.btn-confirm-end:hover{opacity:.9}.rating-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 24px;text-align:center;gap:16px;background:var(--chat-bg)}.rating-content h2{font-size:22px;font-weight:700;color:var(--chat-text-primary)}.rating-content p{font-size:14px;color:var(--chat-text-secondary)}.star-rating{display:flex;gap:8px}.star{font-size:40px;color:rgba(255,255,255,.15);cursor:pointer;transition:color .15s,transform .15s;user-select:none}.star.active,.star:hover{color:#f59e0b;transform:scale(1.15)}.star.hovered{color:#fbbf24}#ratingFeedback{width:100%;max-width:300px;border:1px solid var(--chat-border);border-radius:10px;padding:12px;font-size:14px;font-family:inherit;resize:none;outline:0;background:var(--chat-surface);color:var(--chat-text-primary)}#ratingFeedback:focus{border-color:var(--chat-primary)}#ratingFeedback::placeholder{color:var(--chat-text-muted)}.btn-submit-rating{width:100%;max-width:300px;padding:14px;border:none;border-radius:28px;background:var(--chat-primary);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:opacity .2s}.btn-submit-rating:disabled{opacity:.4;cursor:default}.btn-submit-rating:hover:not(:disabled){opacity:.9}.skip-link{font-size:13px;color:var(--chat-text-muted);text-decoration:none}.skip-link:hover{color:var(--chat-text-secondary)}.thankyou-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 24px;text-align:center;gap:16px;background:var(--chat-bg)}.thankyou-content h2{font-size:24px;font-weight:700;color:var(--chat-text-primary)}.thankyou-content p{font-size:15px;color:var(--chat-text-secondary);line-height:1.5;max-width:280px}.btn-new-chat{padding:14px 32px;border:none;border-radius:28px;background:var(--chat-primary);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:opacity .2s;margin-top:8px}.btn-new-chat:hover{opacity:.9}.btn-new-chat:active{transform:scale(.98)}.chat-messages::-webkit-scrollbar{width:4px}.chat-messages::-webkit-scrollbar-track{background:0 0}.chat-messages::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:2px}.message-edited{font-size:10px;color:var(--chat-text-muted);margin-left:4px;font-style:italic}.message-deleted-text{color:var(--chat-text-muted)}@keyframes fadeInUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}