/**
 * Zetta Solutions AI Chatbot Styles
 * Modern, responsive design
 */

#zetta-chatbot-container {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999999;
}

#zetta-chatbot-toggle {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#zetta-chatbot-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(0,0,0,0.25);
}

#zetta-chatbot-widget {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 350px;
    height: 500px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: slideIn 0.3s ease;
}

#zetta-chatbot-widget.hidden {
    display: none;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

#zetta-close-chat {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    opacity: 0.8;
    transition: opacity 0.2s;
}

#zetta-close-chat:hover {
    opacity: 1;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: #f8f9fa;
}

.message {
    margin-bottom: 15px;
    display: flex;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.user {
    justify-content: flex-end;
}

.message.bot {
    justify-content: flex-start;
}

.message-content {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.5;
    word-wrap: break-word;
}

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

.message.bot .message-content {
    background: white;
    color: #333;
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.chat-input-area {
    display: flex;
    padding: 15px;
    background: white;
    border-top: 1px solid #eee;
    gap: 10px;
}

#chat-input {
    flex: 1;
    border: 1px solid #ddd;
    border-radius: 24px;
    padding: 10px 16px;
    font-size: 14px;
    resize: none;
    max-height: 100px;
    outline: none;
    transition: border-color 0.2s;
    font-family: inherit;
}

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

#send-message {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, opacity 0.2s;
    flex-shrink: 0;
}

#send-message:hover {
    transform: scale(1.1);
}

#send-message:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.typing-indicator {
    padding: 15px 20px;
    background: white;
    border-top: 1px solid #eee;
    display: flex;
    gap: 5px;
}

.typing-indicator.hidden {
    display: none;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: #ddd;
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        background: #ddd;
    }
    30% {
        transform: translateY(-10px);
        background: #667eea;
    }
}

/* Mobile Responsive */
@media (max-width: 480px) {
    #zetta-chatbot-widget {
        width: 100%;
        height: 100%;
        max-width: 100%;
        max-height: 100%;
        bottom: 0;
        right: 0;
        border-radius: 0;
    }
    
    #zetta-chatbot-toggle {
        bottom: 10px;
        right: 10px;
    }
}