:root{--chat-primary:#2e7d32;--chat-primary-dk:#1b5e20;--chat-primary-lt:#e8f5e9;--chat-accent:#ff9800;--chat-bg:#fff;--chat-surface:#f5f5f5;--chat-text:#212121;--chat-text-sec:#757575;--chat-border:#e0e0e0;--chat-danger:#d32f2f;--chat-radius:12px;--chat-shadow:0 4px 24px rgba(0,0,0,.18);--chat-width:380px;--chat-height:560px}#sepura-chat-bubble{position:fixed;bottom:24px;right:24px;width:60px;height:60px;border-radius:50%;background:var(--chat-primary);color:#fff;border:none;cursor:pointer;box-shadow:var(--chat-shadow);display:flex;align-items:center;justify-content:center;z-index:99999;transition:transform .2s , background .2s}#sepura-chat-bubble:hover{transform:scale(1.08);background:var(--chat-primary-dk)}#sepura-chat-bubble svg{width:28px;height:28px;fill:#fff}#sepura-chat-bubble .badge{position:absolute;top:-2px;right:-2px;background:var(--chat-danger);color:#fff;font-size:11px;font-weight:700;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;display:none}#sepura-chat-window{position:fixed;bottom:96px;right:24px;width:var(--chat-width);height:var(--chat-height);background:var(--chat-bg);border-radius:var(--chat-radius);box-shadow:var(--chat-shadow);display:none;flex-direction:column;z-index:99998;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',sans-serif;border:1px solid var(--chat-border)}#sepura-chat-window.open{display:flex;animation:chatSlideIn .3s ease}@keyframes chatSlideIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}.chat-header{background:var(--chat-primary);color:#fff;padding:14px 16px;display:flex;align-items:center;gap:10px;flex-shrink:0}.chat-header-avatar{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;font-size:18px}.chat-header-info{flex:1}.chat-header-info h3{margin:0;font-size:15px;font-weight:600}.chat-header-info p{margin:0;font-size:12px;opacity:.85}.chat-header-close{background:none;border:none;color:#fff;font-size:22px;cursor:pointer;padding:4px;line-height:1;opacity:.8}.chat-header-close:hover{opacity:1}.chat-device-banner{background:var(--chat-primary-lt);padding:8px 16px;font-size:12px;color:var(--chat-primary-dk);display:flex;align-items:center;gap:6px;border-bottom:1px solid var(--chat-border)}.chat-device-banner .status-dot{width:8px;height:8px;border-radius:50%;background:var(--chat-primary);flex-shrink:0}.chat-device-banner .status-dot.warn{background:var(--chat-accent)}.chat-device-banner .status-dot.critical{background:var(--chat-danger)}.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}.chat-messages::-webkit-scrollbar{width:4px}.chat-messages::-webkit-scrollbar-thumb{background:#ccc;border-radius:2px}.msg{max-width:85%;padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.45;word-wrap:break-word}.msg.bot{background:var(--chat-surface);color:var(--chat-text);align-self:flex-start;border-bottom-left-radius:4px}.msg.user{background:var(--chat-primary);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}.msg .msg-time{font-size:11px;opacity:.6;margin-top:4px;display:block}.typing-indicator{display:none;align-self:flex-start;padding:10px 16px;background:var(--chat-surface);border-radius:16px;border-bottom-left-radius:4px}.typing-indicator.show{display:flex;gap:4px}.typing-indicator span{width:7px;height:7px;border-radius:50%;background:var(--chat-text-sec);animation:typingBounce 1.2s ease-in-out infinite}.typing-indicator span:nth-child(2) {animation-delay:.2s}.typing-indicator span:nth-child(3) {animation-delay:.4s}@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}.quick-replies{display:flex;flex-wrap:wrap;gap:6px;padding:0 16px 10px}.quick-reply-btn{background:var(--chat-bg);border:1.5px solid var(--chat-primary);color:var(--chat-primary);padding:6px 14px;border-radius:20px;font-size:13px;cursor:pointer;transition:all .15s;white-space:nowrap}.quick-reply-btn:hover{background:var(--chat-primary);color:#fff}.chat-input-area{display:flex;align-items:center;padding:10px 12px;border-top:1px solid var(--chat-border);gap:8px;background:var(--chat-bg)}.chat-input-area input{flex:1;border:1.5px solid var(--chat-border);border-radius:24px;padding:10px 16px;font-size:14px;outline:none;transition:border-color .2s;font-family:inherit}.chat-input-area input:focus{border-color:var(--chat-primary)}.chat-input-area button{width:40px;height:40px;border:none;border-radius:50%;background:var(--chat-primary);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s}.chat-input-area button:hover{background:var(--chat-primary-dk)}.chat-input-area button:disabled{background:#ccc;cursor:not-allowed}.chat-input-area button svg{width:18px;height:18px;fill:currentColor}.escalation-form{display:none;padding:16px;background:#fff3e0;border-top:2px solid var(--chat-accent)}.escalation-form.show{display:block}.escalation-form h4{margin:0 0 12px;font-size:14px;color:#e65100}.escalation-form input,.escalation-form textarea{width:100%;padding:8px 12px;border:1px solid #ddd;border-radius:8px;margin-bottom:8px;font-size:13px;font-family:inherit;box-sizing:border-box}.escalation-form textarea{resize:vertical;min-height:60px}.escalation-form .form-actions{display:flex;gap:8px}.escalation-form .btn-submit{background:var(--chat-accent);color:#fff;border:none;padding:8px 16px;border-radius:8px;cursor:pointer;font-size:13px;font-weight:600}.escalation-form .btn-submit:hover{background:#f57c00}.escalation-form .btn-cancel{background:none;border:1px solid #ccc;padding:8px 16px;border-radius:8px;cursor:pointer;font-size:13px;color:var(--chat-text-sec)}.device-prompt{padding:12px 16px;background:var(--chat-primary-lt);border-bottom:1px solid var(--chat-border);display:none}.device-prompt.show{display:block}.device-prompt p{margin:0 0 8px;font-size:13px;color:var(--chat-text)}.device-prompt-row{display:flex;gap:6px}.device-prompt-row input{flex:1;padding:6px 10px;border:1px solid var(--chat-border);border-radius:8px;font-size:13px}.device-prompt-row button{padding:6px 12px;border:none;border-radius:8px;background:var(--chat-primary);color:#fff;font-size:13px;cursor:pointer}.device-prompt .skip-link{display:block;text-align:center;margin-top:6px;font-size:12px;color:var(--chat-text-sec);cursor:pointer}.device-prompt .skip-link:hover{text-decoration:underline}@media (max-width:480px){#sepura-chat-window{width:100vw;height:100vh;bottom:0;right:0;border-radius:0}#sepura-chat-bubble{bottom:16px;right:16px}}.ticket-confirmation{background:#e8f5e9;border:1px solid var(--chat-primary);border-radius:12px;padding:12px 16px;margin:8px 0;align-self:flex-start;max-width:85%}.ticket-confirmation strong{color:var(--chat-primary-dk);display:block;margin-bottom:4px}.ticket-confirmation p{margin:0;font-size:13px;color:var(--chat-text)}