/* Chatbot Container */
#chatbot-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Floating Chat Button */
.chatbot-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: visible;
}

/* Ripple Effect */
.chatbot-button::before,
.chatbot-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 60px;
    height: 60px;
    border: 2px solid rgba(102, 126, 234, 0.6);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: ripple 2s infinite;
}

.chatbot-button::after {
    animation-delay: 1s;
}

@keyframes ripple {
    0% {
        width: 60px;
        height: 60px;
        opacity: 1;
    }
    100% {
        width: 120px;
        height: 120px;
        opacity: 0;
    }
}

.chatbot-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
}

.chatbot-button:active {
    transform: translateY(0);
}

.robot-icon {
    font-size: 24px;
    color: white;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Chat Modal */
.chatbot-modal {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 380px;
    height: 500px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.chatbot-modal.active {
    display: flex;
}

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

.chatbot-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 16px;
}

.chatbot-title .robot-icon {
    font-size: 20px;
    animation: none;
}

.chatbot-close {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s ease;
}

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

/* Messages Container */
.chatbot-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background: #f8f9fa;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.chatbot-messages::-webkit-scrollbar {
    width: 6px;
}

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

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

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

/* Message Styles */
.message {
    display: flex;
    flex-direction: column;
    max-width: 85%;
}

.user-message {
    align-self: flex-end;
}

.bot-message {
    align-self: flex-start;
}

.message-content {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.user-message .message-content {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.bot-message .message-avatar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.user-message .message-avatar {
    background: #e9ecef;
    color: #495057;
}

.message-text {
    background: white;
    padding: 12px 16px;
    border-radius: 18px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    line-height: 1.4;
    font-size: 14px;
    color: #333;
    word-wrap: break-word;
}

.user-message .message-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.message-time {
    font-size: 11px;
    color: #6c757d;
    margin-top: 5px;
    align-self: flex-end;
}

.user-message .message-time {
    align-self: flex-start;
}

/* Input Container */
.chatbot-input-container {
    padding: 15px 20px;
    background: white;
    border-top: 1px solid #e9ecef;
}

.chatbot-input-wrapper {
    display: flex;
    gap: 10px;
    align-items: center;
}

#chatbot-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 25px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s ease;
}

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

#chatbot-input::placeholder {
    color: #6c757d;
}

.chatbot-send-btn {
    width: 40px;
    height: 40px;
    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;
    font-size: 16px;
}

.chatbot-send-btn:hover {
    transform: scale(1.05);
}

.chatbot-send-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Typing Indicator */
.chatbot-typing {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
    padding: 10px 15px;
    background: #f8f9fa;
    border-radius: 15px;
    font-size: 12px;
    color: #6c757d;
}

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

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

.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }

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

/* Responsive Design */
@media (max-width: 480px) {
    .chatbot-modal {
        width: calc(100vw - 40px);
        height: calc(100vh - 120px);
        bottom: 80px;
        right: 20px;
        left: 20px;
    }
    
    .chatbot-button {
        width: 50px;
        height: 50px;
        bottom: 15px;
        right: 15px;
    }
    
    .robot-icon {
        font-size: 20px;
    }
}

/* Loading Animation */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Error Message */
.error-message {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    border-radius: 8px;
    padding: 10px;
    margin: 10px 0;
    font-size: 12px;
}