/* BITSbot AI Integration Frontend Styles */

.bitsbot-ai-chat {
    max-width: 800px;
    margin: 20px auto;
    border: 1px solid #ddd;
    border-radius: 12px;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background: white;
}

.bitsbot-chat-messages {
    height: calc(100% - 80px);
    overflow-y: auto;
    padding: 20px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 300px;
}

.bitsbot-message {
    margin: 15px 0;
    display: flex;
    flex-direction: column;
}

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

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

.bitsbot-message-content {
    max-width: 75%;
    padding: 12px 16px;
    border-radius: 18px;
    position: relative;
    word-wrap: break-word;
}

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

.bitsbot-message.ai .bitsbot-message-content {
    background: white;
    color: #333;
    border: 1px solid #e1e5e9;
    border-bottom-left-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.bitsbot-message-time {
    font-size: 11px;
    color: #666;
    margin-top: 5px;
    margin-bottom: 0;
}

.bitsbot-message.user .bitsbot-message-time {
    text-align: right;
}

.bitsbot-message.ai .bitsbot-message-time {
    text-align: left;
}

.bitsbot-chat-input {
    padding: 20px;
    background: white;
    border-top: 1px solid #eee;
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.bitsbot-chat-input textarea {
    flex: 1;
    border: 1px solid #ddd;
    border-radius: 20px;
    padding: 12px 16px;
    resize: none;
    font-family: inherit;
    font-size: 14px;
    line-height: 1.4;
    max-height: 100px;
    min-height: 44px;
    outline: none;
    transition: border-color 0.2s ease;
}

.bitsbot-chat-input textarea:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.bitsbot-chat-input button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 20px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, opacity 0.2s ease;
    min-height: 44px;
}

.bitsbot-chat-input button:hover {
    transform: translateY(-1px);
    opacity: 0.9;
}

.bitsbot-chat-input button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.bitsbot-typing-indicator {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: white;
    border: 1px solid #e1e5e9;
    border-radius: 18px;
    border-bottom-left-radius: 4px;
    max-width: 75%;
    margin: 15px 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.bitsbot-typing-dots {
    display: flex;
    gap: 4px;
}

.bitsbot-typing-dots span {
    width: 8px;
    height: 8px;
    background: #667eea;
    border-radius: 50%;
    animation: bitsbot-typing 1.4s infinite ease-in-out;
}

.bitsbot-typing-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.bitsbot-typing-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

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

.bitsbot-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    border-radius: 8px;
    padding: 12px 16px;
    margin: 10px 0;
}

.bitsbot-welcome {
    text-align: center;
    color: #666;
    padding: 40px 20px;
    font-style: italic;
}

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

.bitsbot-chat-messages::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

.bitsbot-chat-messages::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.3);
    border-radius: 3px;
}

.bitsbot-chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.5);
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .bitsbot-ai-chat {
        margin: 10px;
        border-radius: 8px;
    }
    
    .bitsbot-message-content {
        max-width: 90%;
    }
    
    .bitsbot-chat-input {
        padding: 15px;
        gap: 8px;
    }
    
    .bitsbot-chat-input button {
        padding: 12px 16px;
        min-width: auto;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .bitsbot-ai-chat {
        background: #2d3748;
        border-color: #4a5568;
    }
    
    .bitsbot-chat-messages {
        background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
    }
    
    .bitsbot-message.ai .bitsbot-message-content {
        background: #4a5568;
        color: #e2e8f0;
        border-color: #718096;
    }
    
    .bitsbot-chat-input {
        background: #2d3748;
        border-color: #4a5568;
    }
    
    .bitsbot-chat-input textarea {
        background: #4a5568;
        color: #e2e8f0;
        border-color: #718096;
    }
    
    .bitsbot-welcome {
        color: #a0aec0;
    }
}