/* AI Chat Widget Styles */
.ai-chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.ai-chat-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-chat-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.ai-chat-toggle:active {
    transform: scale(0.95);
}

.ai-chat-container {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 350px;
    height: 500px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    display: none;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid #e1e5e9;
}

.ai-chat-container.open {
    display: flex;
}

.ai-chat-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ai-chat-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.ai-chat-close {
    background: none;
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s ease;
}

.ai-chat-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.ai-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    background: #f8f9fa;
}

.ai-chat-message {
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
}

.ai-chat-message.user {
    align-items: flex-end;
}

.ai-chat-message.assistant {
    align-items: flex-start;
}

.ai-chat-message-content {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.4;
    word-wrap: break-word;
}

.ai-chat-message.user .ai-chat-message-content {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-bottom-right-radius: 4px;
}

.ai-chat-message.assistant .ai-chat-message-content {
    background: white;
    color: #333;
    border: 1px solid #e1e5e9;
    border-bottom-left-radius: 4px;
}

.ai-chat-message-time {
    font-size: 11px;
    color: #6c757d;
    margin-top: 4px;
    margin-left: 8px;
    margin-right: 8px;
}

.ai-chat-input-container {
    padding: 16px;
    background: white;
    border-top: 1px solid #e1e5e9;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-chat-input {
    flex: 1;
    border: 1px solid #e1e5e9;
    border-radius: 20px;
    padding: 10px 16px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s ease;
}

.ai-chat-input:focus {
    border-color: #667eea;
}

.ai-chat-send {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.ai-chat-send:hover {
    transform: scale(1.05);
}

.ai-chat-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.ai-chat-typing {
    display: none;
    align-items: center;
    gap: 4px;
    padding: 10px 14px;
    background: white;
    border: 1px solid #e1e5e9;
    border-radius: 18px;
    border-bottom-left-radius: 4px;
    margin-bottom: 12px;
    max-width: 80%;
}

.ai-chat-typing.show {
    display: flex;
}

.ai-chat-typing-dots {
    display: flex;
    gap: 2px;
}

.ai-chat-typing-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #6c757d;
    animation: typing-dot 1.4s infinite ease-in-out;
}

.ai-chat-typing-dot:nth-child(1) { animation-delay: -0.32s; }
.ai-chat-typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing-dot {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.ai-chat-error {
    background: #f8d7da;
    color: #721c24;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    margin-bottom: 8px;
    border: 1px solid #f5c6cb;
}

.ai-chat-welcome {
    text-align: center;
    color: #6c757d;
    font-size: 13px;
    margin-bottom: 16px;
    padding: 12px;
    background: white;
    border-radius: 8px;
    border: 1px solid #e1e5e9;
}

.ai-chat-welcome h4 {
    margin: 0 0 8px 0;
    color: #333;
    font-size: 14px;
}

.ai-chat-welcome p {
    margin: 0;
    line-height: 1.4;
}

/* Responsive design */
@media (max-width: 480px) {
    .ai-chat-container {
        width: calc(100vw - 40px);
        height: calc(100vh - 120px);
        bottom: 80px;
        right: 20px;
        left: 20px;
    }
    
    .ai-chat-widget {
        bottom: 10px;
        right: 10px;
    }
    
    .ai-chat-toggle {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}

/* Loading animation */
.ai-chat-loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Scrollbar styling */
.ai-chat-messages::-webkit-scrollbar {
    width: 6px;
}

.ai-chat-messages::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.ai-chat-messages::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.ai-chat-messages::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}