:root{--ai-coach-primary:#25D366;--ai-coach-secondary:#128C7E;--ai-coach-background:#ECE5DD;--ai-coach-primary-hover:#1da851;--ai-coach-secondary-hover:#0f6b5f;--ai-coach-primary-light:#4de085;--ai-coach-text-on-primary:#ffffff;--ai-coach-text-on-secondary:#ffffff}.ai-coach-widget-container{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;position:relative;z-index:1000;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.ai-coach-widget-container.inline .ai-coach-widget{width:100%;max-width:600px;margin:0 auto;border-radius:8px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,0.1)}.ai-coach-widget-container.fixed-bottom-right{position:fixed;bottom:20px;right:20px;z-index:9999}.ai-coach-widget-container.fixed-bottom-left{position:fixed;bottom:20px;left:20px;z-index:9999}.ai-coach-toggle-btn{width:60px;height:60px;border-radius:50%;background:var(--ai-coach-primary,#25D366);color:var(--ai-coach-text-on-primary,white);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(0,0,0,0.2),0 2px 8px rgba(0,0,0,0.1);transition:all 0.3s cubic-bezier(0.4,0,0.2,1);position:relative;overflow:hidden}.ai-coach-toggle-btn::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at center,rgba(255,255,255,0.2) 0%,transparent 70%);opacity:0;transition:opacity 0.3s ease}.ai-coach-toggle-btn:hover{background:var(--ai-coach-primary-hover,#1da851);transform:scale(1.1);box-shadow:0 6px 20px rgba(0,0,0,0.25),0 4px 12px rgba(0,0,0,0.15)}.ai-coach-toggle-btn:hover::before{opacity:1}.ai-coach-toggle-btn:active{transform:scale(1.05)}.ai-coach-widget{width:350px;height:500px;background:var(--ai-coach-background,#ECE5DD);border-radius:8px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,0.15);transition:all 0.3s ease}.ai-coach-widget-hidden{display:none}.ai-coach-header{background:linear-gradient(135deg,var(--ai-coach-primary,#25D366) 0%,var(--ai-coach-secondary,#128C7E) 100%);color:var(--ai-coach-text-on-primary,white);padding:16px;display:flex;align-items:center;justify-content:space-between;position:relative;overflow:hidden}.ai-coach-header::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgba(255,255,255,0.1) 0%,transparent 50%,rgba(0,0,0,0.05) 100%);pointer-events:none}.ai-coach-header-info{display:flex;align-items:center;gap:12px}.ai-coach-avatar{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,0.2);display:flex;align-items:center;justify-content:center}.ai-coach-header-text{flex:1}.ai-coach-title{margin:0;font-size:16px;font-weight:600;line-height:1.2}.ai-coach-status{display:flex;align-items:center;gap:6px;font-size:13px;opacity:0.9;margin-top:2px}.ai-coach-status-dot{width:8px;height:8px;border-radius:50%;background:#4CAF50;animation:pulse 2s infinite}@keyframes pulse{0%{opacity:1}50%{opacity:0.5}100%{opacity:1}}.ai-coach-header-actions{display:flex;gap:8px}.ai-coach-header-actions button{background:none;border:none;color:white;cursor:pointer;padding:8px;border-radius:50%;transition:background-color 0.2s ease}.ai-coach-header-actions button:hover{background:rgba(255,255,255,0.1)}.ai-coach-messages{flex:1;overflow-y:auto;padding:16px;background:var(--ai-coach-background,#ECE5DD);background-image:radial-gradient(circle at 25% 25%,rgba(255,255,255,0.1) 0%,transparent 50%),radial-gradient(circle at 75% 75%,rgba(255,255,255,0.1) 0%,transparent 50%)}.ai-coach-messages::-webkit-scrollbar{width:6px}.ai-coach-messages::-webkit-scrollbar-track{background:transparent}.ai-coach-messages::-webkit-scrollbar-thumb{background:rgba(0,0,0,0.2);border-radius:3px}.ai-coach-messages::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,0.3)}.ai-coach-message{margin-bottom:12px;display:flex;animation:messageSlideIn 0.3s ease-out}@keyframes messageSlideIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.ai-coach-message-user{justify-content:flex-end}.ai-coach-message-assistant{justify-content:flex-start}.ai-coach-message-bubble{max-width:80%;padding:8px 12px;border-radius:18px;position:relative;word-wrap:break-word}.ai-coach-message-user .ai-coach-message-bubble{background:var(--ai-coach-primary,#25D366);color:var(--ai-coach-text-on-primary,white);border-bottom-right-radius:4px;position:relative;overflow:hidden}.ai-coach-message-user .ai-coach-message-bubble::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,transparent 0%,rgba(255,255,255,0.1) 100%);pointer-events:none}.ai-coach-message-assistant .ai-coach-message-bubble{background:white;color:#333;border-bottom-left-radius:4px;box-shadow:0 1px 3px rgba(0,0,0,0.12),0 1px 2px rgba(0,0,0,0.24);border:1px solid rgba(0,0,0,0.05);transition:box-shadow 0.2s ease}.ai-coach-message-assistant .ai-coach-message-bubble:hover{box-shadow:0 2px 6px rgba(0,0,0,0.15),0 2px 4px rgba(0,0,0,0.3)}.ai-coach-message-content{font-size:14px;line-height:1.4;margin-bottom:4px}.ai-coach-message-content p{margin:0 0 8px 0}.ai-coach-message-content p:last-child{margin-bottom:0}.ai-coach-message-time{font-size:11px;opacity:0.7;text-align:right}.ai-coach-message-assistant .ai-coach-message-time{color:#666}.ai-coach-typing-indicator{margin-bottom:12px}.ai-coach-typing-animation{display:flex;gap:4px;padding:8px 0}.ai-coach-typing-animation span{width:8px;height:8px;border-radius:50%;background:#999;animation:typingDot 1.4s infinite ease-in-out}.ai-coach-typing-animation span:nth-child(1){animation-delay:-0.32s}.ai-coach-typing-animation span:nth-child(2){animation-delay:-0.16s}@keyframes typingDot{0%,80%,100%{transform:scale(0.8);opacity:0.5}40%{transform:scale(1);opacity:1}}.ai-coach-input-area{background:white;border-top:1px solid rgba(0,0,0,0.1);padding:12px 16px 8px}.ai-coach-input-container{display:flex;align-items:flex-end;gap:8px;background:#F5F5F5;border-radius:20px;padding:8px 12px}.ai-coach-input{flex:1;border:none;background:none;resize:none;outline:none;font-size:14px;line-height:1.4;max-height:100px;min-height:20px;font-family:inherit}.ai-coach-input::placeholder{color:#999}.ai-coach-send-btn{background:var(--ai-coach-primary,#25D366);border:none;border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ai-coach-text-on-primary,white);transition:all 0.2s cubic-bezier(0.4,0,0.2,1);flex-shrink:0;box-shadow:0 2px 4px rgba(0,0,0,0.2);position:relative;overflow:hidden}.ai-coach-send-btn::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at center,rgba(255,255,255,0.3) 0%,transparent 70%);opacity:0;transition:opacity 0.2s ease}.ai-coach-send-btn:hover:not(:disabled){background:var(--ai-coach-primary-hover,#1da851);transform:scale(1.05);box-shadow:0 4px 8px rgba(0,0,0,0.3)}.ai-coach-send-btn:hover:not(:disabled)::before{opacity:1}.ai-coach-send-btn:active:not(:disabled){transform:scale(0.95)}.ai-coach-send-btn:disabled{background:#ccc;cursor:not-allowed;transform:none;box-shadow:none}.ai-coach-send-btn:disabled::before{display:none}.ai-coach-input-footer{display:flex;justify-content:space-between;align-items:center;margin-top:4px;font-size:11px;color:#666}.ai-coach-char-count{font-weight:500}.ai-coach-powered-by{opacity:0.7}.ai-coach-login-required{text-align:center;padding:40px 20px;background:white;border-radius:8px;box-shadow:0 2px 10px rgba(0,0,0,0.1)}.ai-coach-login-required p{margin:0 0 16px 0;color:#666}.ai-coach-login-btn{display:inline-block;background:linear-gradient(135deg,var(--ai-coach-primary,#25D366) 0%,var(--ai-coach-secondary,#128C7E) 100%);color:var(--ai-coach-text-on-primary,white);text-decoration:none;padding:12px 24px;border-radius:8px;font-weight:500;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);box-shadow:0 2px 8px rgba(0,0,0,0.15);position:relative;overflow:hidden}.ai-coach-login-btn::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgba(255,255,255,0.2) 0%,transparent 100%);opacity:0;transition:opacity 0.3s ease}.ai-coach-login-btn:hover{background:linear-gradient(135deg,var(--ai-coach-primary-hover,#1da851) 0%,var(--ai-coach-secondary-hover,#0f6b5f) 100%);color:var(--ai-coach-text-on-primary,white);text-decoration:none;transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.2)}.ai-coach-login-btn:hover::before{opacity:1}.ai-coach-login-btn:active{transform:translateY(0)}.ai-coach-error-message{background:#ffebee;color:#c62828;padding:12px;border-radius:8px;margin:8px 0;font-size:14px;text-align:center}.ai-coach-retry-btn{background:#c62828;color:white;border:none;padding:6px 12px;border-radius:4px;cursor:pointer;font-size:12px;margin-top:8px}.ai-coach-retry-btn:hover{background:#b71c1c}.ai-coach-loading{opacity:0.6;pointer-events:none}@media (max-width:768px){.ai-coach-widget-container.fixed-bottom-right,.ai-coach-widget-container.fixed-bottom-left{bottom:10px;right:10px;left:auto}.ai-coach-widget{width:calc(100vw - 20px);max-width:350px;height:450px;border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,0.2)}.ai-coach-message-bubble{max-width:85%;font-size:15px;line-height:1.5}.ai-coach-toggle-btn{width:56px;height:56px}.ai-coach-send-btn{width:40px;height:40px}}@media (max-width:480px){.ai-coach-widget{width:calc(100vw - 20px);height:400px;border-radius:8px}.ai-coach-header{padding:14px 12px}.ai-coach-messages{padding:12px}.ai-coach-input-area{padding:10px 12px 8px}.ai-coach-input-container{padding:10px 14px}.ai-coach-message-bubble{max-width:90%;padding:10px 14px}.ai-coach-toggle-btn{width:52px;height:52px;bottom:16px;right:16px}}@media (prefers-reduced-motion:reduce){.ai-coach-message,.ai-coach-toggle-btn,.ai-coach-send-btn{animation:none;transition:none}.ai-coach-status-dot{animation:none}.ai-coach-typing-animation span{animation:none}}@media (prefers-contrast:high){.ai-coach-widget{border:2px solid #000}.ai-coach-message-bubble{border:1px solid #000}.ai-coach-input-container{border:1px solid #000}}