:root{--nuria-primary: #6366f1;--nuria-primary-dark: #4f46e5;--nuria-bg: #ffffff;--nuria-bg-secondary: #f3f4f6;--nuria-text: #1f2937;--nuria-text-secondary: #6b7280;--nuria-border: #e5e7eb;--nuria-shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06)}*{box-sizing:border-box}body{background:var(--nuria-bg);color:var(--nuria-text);font-size:14px;line-height:1.5}.widget-container{display:flex;flex-direction:column;height:100vh;max-height:100vh}.widget-header{background:var(--nuria-primary);color:#fff;padding:16px;display:flex;align-items:center;gap:12px;flex-shrink:0}.widget-header-avatar{width:40px;height:40px;border-radius:50%;background:#fff3;display:flex;align-items:center;justify-content:center;font-size:18px}.widget-header-info{flex:1}.widget-header-title{font-weight:600;font-size:16px}.widget-header-status{font-size:12px;opacity:.9}.widget-close-btn{background:none;border:none;color:#fff;cursor:pointer;padding:4px;opacity:.8;transition:opacity .2s}.widget-close-btn:hover{opacity:1}.widget-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;background:var(--nuria-bg)}.message{max-width:85%;display:flex;flex-direction:column}.message-contact{align-self:flex-end}.message-agent,.message-bot,.message-system{align-self:flex-start}.message-bubble{padding:10px 14px;border-radius:16px;word-wrap:break-word}.message-contact .message-bubble{background:var(--nuria-primary);color:#fff;border-bottom-right-radius:4px}.message-agent .message-bubble,.message-bot .message-bubble{background:var(--nuria-bg-secondary);color:var(--nuria-text);border-bottom-left-radius:4px}.message-system .message-bubble{background:transparent;color:var(--nuria-text-secondary);font-size:12px;text-align:center;max-width:100%}.message-sender{font-size:11px;color:var(--nuria-text-secondary);margin-bottom:4px;display:flex;align-items:center;gap:6px}.message-sender-avatar{width:20px;height:20px;border-radius:50%;background:var(--nuria-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:600}.message-time{font-size:10px;color:var(--nuria-text-secondary);margin-top:4px}.typing-indicator{display:flex;align-items:center;gap:8px;padding:8px 14px;background:var(--nuria-bg-secondary);border-radius:16px;align-self:flex-start;max-width:100px}.typing-dots{display:flex;gap:4px}.typing-dot{width:6px;height:6px;background:var(--nuria-text-secondary);border-radius:50%;animation:typingBounce 1.4s infinite ease-in-out}.typing-dot:nth-child(1){animation-delay:0s}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-4px)}}.widget-composer{padding:12px 16px;background:var(--nuria-bg);border-top:1px solid var(--nuria-border);flex-shrink:0}.composer-form{display:flex;gap:8px;align-items:flex-end}.composer-input-wrapper{flex:1;position:relative}.composer-input{width:100%;padding:10px 14px;border:1px solid var(--nuria-border);border-radius:20px;font-size:14px;outline:none;resize:none;max-height:120px;min-height:40px;font-family:inherit;transition:border-color .2s}.composer-input:focus{border-color:var(--nuria-primary)}.composer-input::placeholder{color:var(--nuria-text-secondary)}.composer-send-btn{width:40px;height:40px;border-radius:50%;background:var(--nuria-primary);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color .2s;flex-shrink:0}.composer-send-btn:hover{background:var(--nuria-primary-dark)}.composer-send-btn:disabled{background:var(--nuria-border);cursor:not-allowed}.widget-welcome{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px;text-align:center}.widget-welcome-icon{width:64px;height:64px;background:var(--nuria-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:16px}.widget-welcome-title{font-size:18px;font-weight:600;margin-bottom:8px}.widget-welcome-text{color:var(--nuria-text-secondary);margin-bottom:24px}.widget-start-btn{background:var(--nuria-primary);color:#fff;border:none;padding:12px 24px;border-radius:20px;font-size:14px;font-weight:500;cursor:pointer;transition:background-color .2s}.widget-start-btn:hover{background:var(--nuria-primary-dark)}.prechat-form{padding:24px;flex:1;display:flex;flex-direction:column}.prechat-title{font-size:16px;font-weight:600;margin-bottom:16px}.prechat-field{margin-bottom:16px}.prechat-label{display:block;font-size:13px;font-weight:500;margin-bottom:6px;color:var(--nuria-text)}.prechat-input{width:100%;padding:10px 14px;border:1px solid var(--nuria-border);border-radius:8px;font-size:14px;outline:none;transition:border-color .2s}.prechat-input:focus{border-color:var(--nuria-primary)}.prechat-submit{margin-top:auto;background:var(--nuria-primary);color:#fff;border:none;padding:12px 24px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:background-color .2s}.prechat-submit:hover{background:var(--nuria-primary-dark)}.prechat-submit:disabled{background:var(--nuria-border);cursor:not-allowed}.widget-powered{padding:8px;text-align:center;font-size:11px;color:var(--nuria-text-secondary);background:var(--nuria-bg-secondary)}.widget-powered a{color:var(--nuria-primary);text-decoration:none}.widget-loading{flex:1;display:flex;align-items:center;justify-content:center}.loading-spinner{width:32px;height:32px;border:3px solid var(--nuria-border);border-top-color:var(--nuria-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.widget-offline{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px;text-align:center}.widget-offline-icon{font-size:48px;margin-bottom:16px}.widget-offline-title{font-size:16px;font-weight:600;margin-bottom:8px}.widget-offline-text{color:var(--nuria-text-secondary)}