.hn-style-modern .hn-chatbot-toggle{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);box-shadow:0 10px 40px rgba(99,102,241,.3)}.hn-style-modern .hn-chatbot-window{border-radius:20px;box-shadow:0 20px 60px rgba(0,0,0,.15)}.hn-style-modern .hn-chatbot-header{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}.hn-style-modern .hn-chatbot-message-content{border-radius:16px}.hn-style-modern .hn-chatbot-bot-message .hn-chatbot-message-content{border-bottom-right-radius:4px}.hn-style-modern .hn-chatbot-user-message .hn-chatbot-message-content{border-bottom-left-radius:4px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}.hn-style-minimal .hn-chatbot-toggle{background:#fff;color:#1e293b;box-shadow:0 4px 16px rgba(0,0,0,.1);border:2px solid #e2e8f0}.hn-style-minimal .hn-chatbot-toggle:hover{border-color:#6366f1}.hn-style-minimal .hn-chatbot-window{border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.08);border:1px solid #e2e8f0}.hn-style-minimal .hn-chatbot-header{background:#fff;color:#1e293b;border-bottom:2px solid #f1f5f9}.hn-style-minimal .hn-chatbot-avatar{background:#f1f5f9;border-color:#e2e8f0}.hn-style-minimal .hn-chatbot-message-content{border-radius:8px}.hn-style-minimal .hn-chatbot-bot-message .hn-chatbot-message-content{background:#f8fafc;border:1px solid #e2e8f0;color:#334155}.hn-style-minimal .hn-chatbot-user-message .hn-chatbot-message-content{background:#1e293b;color:#fff}.hn-style-minimal #hn-chatbot-send{background:#1e293b}.hn-style-rounded .hn-chatbot-toggle{background:linear-gradient(135deg,#f093fb 0%,#f5576c 100%);box-shadow:0 8px 32px rgba(240,147,251,.4)}.hn-style-rounded .hn-chatbot-window{border-radius:32px;box-shadow:0 20px 60px rgba(0,0,0,.12)}.hn-style-rounded .hn-chatbot-header{background:linear-gradient(135deg,#f093fb 0%,#f5576c 100%);border-radius:32px 32px 0 0}.hn-style-rounded .hn-chatbot-message-content{border-radius:24px}.hn-style-rounded .hn-chatbot-bot-message .hn-chatbot-message-content{border-bottom-right-radius:8px}.hn-style-rounded .hn-chatbot-user-message .hn-chatbot-message-content{border-bottom-left-radius:8px;background:linear-gradient(135deg,#f093fb 0%,#f5576c 100%)}.hn-style-rounded .hn-input-container{border-radius:32px}.hn-style-rounded #hn-chatbot-send{background:linear-gradient(135deg,#f093fb 0%,#f5576c 100%)}.hn-style-professional .hn-chatbot-toggle{background:#0f172a;box-shadow:0 8px 24px rgba(15,23,42,.3)}.hn-style-professional .hn-chatbot-window{border-radius:8px;box-shadow:0 16px 48px rgba(0,0,0,.18);border:1px solid #1e293b}.hn-style-professional .hn-chatbot-header{background:#0f172a;border-bottom:1px solid #334155}.hn-style-professional .hn-chatbot-messages{background:#f8fafc}.hn-style-professional .hn-chatbot-message-content{border-radius:6px}.hn-style-professional .hn-chatbot-bot-message .hn-chatbot-message-content{background:#fff;border:1px solid #e2e8f0;color:#1e293b;box-shadow:0 1px 3px rgba(0,0,0,.05)}.hn-style-professional .hn-chatbot-user-message .hn-chatbot-message-content{background:#0f172a;color:#fff}.hn-style-professional #hn-chatbot-send{background:#0f172a;border-radius:6px}.hn-style-professional .hn-input-container{border-radius:8px}.hn-style-gradient .hn-chatbot-toggle{background:linear-gradient(135deg,#fa709a 0%,#fee140 100%);box-shadow:0 10px 40px rgba(250,112,154,.4)}.hn-style-gradient .hn-chatbot-window{border-radius:24px;box-shadow:0 24px 64px rgba(0,0,0,.16);border:none}.hn-style-gradient .hn-chatbot-header{background:linear-gradient(135deg,#fa709a 0%,#fee140 100%)}.hn-style-gradient .hn-chatbot-messages{background:linear-gradient(180deg,#fff 0%,#fef3f2 100%)}.hn-style-gradient .hn-chatbot-message-content{border-radius:18px}.hn-style-gradient .hn-chatbot-bot-message .hn-chatbot-message-content{background:#fff;box-shadow:0 4px 16px rgba(250,112,154,.1);border:1px solid rgba(250,112,154,.2)}.hn-style-gradient .hn-chatbot-user-message .hn-chatbot-message-content{background:linear-gradient(135deg,#fa709a 0%,#fee140 100%);color:#1e293b}.hn-style-gradient #hn-chatbot-send{background:linear-gradient(135deg,#fa709a 0%,#fee140 100%)}.hn-style-dark .hn-chatbot-toggle{background:linear-gradient(135deg,#434343 0%,#000 100%);box-shadow:0 10px 40px rgba(0,0,0,.5)}.hn-style-dark .hn-chatbot-window{border-radius:16px;box-shadow:0 24px 64px rgba(0,0,0,.4);background:#1a1a1a;border:1px solid #2d2d2d}.hn-style-dark .hn-chatbot-header{background:linear-gradient(135deg,#2d2d2d 0%,#1a1a1a 100%);border-bottom:1px solid #404040}.hn-style-dark .hn-chatbot-messages{background:#1a1a1a}.hn-style-dark .hn-chatbot-message-content{border-radius:14px}.hn-style-dark .hn-chatbot-bot-message .hn-chatbot-message-content{background:#2d2d2d;color:#e5e5e5;border:1px solid #404040}.hn-style-dark .hn-chatbot-user-message .hn-chatbot-message-content{background:linear-gradient(135deg,#4a5568 0%,#2d3748 100%);color:#fff}.hn-style-dark .hn-chatbot-footer{background:#1a1a1a;border-top:1px solid #404040}.hn-style-dark .hn-input-container{background:#2d2d2d;border-color:#404040}.hn-style-dark #hn-chatbot-input{color:#e5e5e5}.hn-style-dark #hn-chatbot-input::placeholder{color:#999}.hn-style-dark #hn-chatbot-send{background:linear-gradient(135deg,#6366f1 0%,#4f46e5 100%)}.hn-style-dark .hn-welcome-avatar{background:linear-gradient(135deg,#434343 0%,#000 100%)}.hn-style-dark .hn-chatbot-welcome h3,.hn-style-dark .hn-faq-header h3{color:#e5e5e5}.hn-style-dark .hn-welcome-subtitle,.hn-style-dark .hn-faq-header p{color:#999}.hn-style-dark .hn-quick-reply,.hn-style-dark .hn-faq-item{background:#2d2d2d;border-color:#404040;color:#e5e5e5}.hn-style-dark .hn-quick-reply:hover,.hn-style-dark .hn-faq-item:hover{background:#3d3d3d;border-color:#6366f1}.hn-style-dark .hn-chatbot-branding{color:#999}