/* Chatbot Navbar Button */
.chatbot-nav-btn {
    background-color: #3e2723;
    border: none;
    color: white;
    padding: 0.7rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.chatbot-nav-btn:hover {
    transform: scale(1.1) rotate(360deg);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Dark mode styles for navbar button */
body.dark-mode .chatbot-nav-btn {
    background-color: #e0e0e0;
    color: #1e1e1e;
}

/* Mobile responsive for navbar button */
@media (max-width: 768px) {
    .chatbot-nav-btn {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
}

.chatbot-popup {
    position: fixed;
    top: 80px;
    right: 20px;
    width: 350px;
    height: 500px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    display: none;
    flex-direction: column;
    overflow: hidden;
    transition: all 0.3s ease;
    z-index: 2500;
}

.chatbot-popup.show {
    display: flex;
    animation: slideUp 0.3s ease;
}

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

/* Dark mode styles for popup */
body.dark-mode .chatbot-popup {
    background: #1e1e1e;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.chatbot-header {
    background: linear-gradient(135deg, #3e2723, #5d4037);
    color: white;
    padding: 20px;
    text-align: center;
    position: relative;
}

body.dark-mode .chatbot-header {
    background: linear-gradient(135deg, #2a2a2a, #3a3a3a);
}

.chatbot-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.chatbot-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

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

.chatbot-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Dark mode styles for messages area */
body.dark-mode .chatbot-messages {
    background: #1e1e1e;
}

.message {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.4;
    animation: fadeIn 0.3s ease;
}

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

.message.bot {
    background: #f5f5f5;
    color: #333;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.message.user {
    background: linear-gradient(135deg, #3e2723, #5d4037);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

/* Dark mode styles for messages */
body.dark-mode .message.bot {
    background: #2a2a2a;
    color: #e0e0e0;
}

body.dark-mode .message.user {
    background: linear-gradient(135deg, #4a4a4a, #5a5a5a);
}

.chatbot-input-area {
    padding: 20px;
    border-top: 1px solid #eee;
    display: flex;
    gap: 10px;
}

/* Dark mode styles for input area */
body.dark-mode .chatbot-input-area {
    border-top-color: #3a3a3a;
}

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

.chatbot-input:focus {
    border-color: #3e2723;
}

/* Dark mode styles for input */
body.dark-mode .chatbot-input {
    background: #2a2a2a;
    border-color: #4a4a4a;
    color: #e0e0e0;
}

body.dark-mode .chatbot-input:focus {
    border-color: #6a6a6a;
}

body.dark-mode .chatbot-input::placeholder {
    color: #a0a0a0;
}

.chatbot-send {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3e2723, #5d4037);
    border: none;
    color: white;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

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

.chatbot-send:active {
    transform: scale(0.95);
}

/* Dark mode styles for send button */
body.dark-mode .chatbot-send {
    background: linear-gradient(135deg, #4a4a4a, #5a5a5a);
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    background: #f5f5f5;
    border-radius: 18px;
    border-bottom-left-radius: 4px;
    align-self: flex-start;
    max-width: 80px;
}

body.dark-mode .typing-indicator {
    background: #2a2a2a;
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #999;
    animation: typing 1.4s infinite;
}

body.dark-mode .typing-dot {
    background: #666;
}

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

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

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* Responsive design */
@media (max-width: 768px) {
    .chatbot-popup {
        width: 300px;
        height: 450px;
        top: 70px;
        right: 10px;
    }
}

@media (max-width: 480px) {
    .chatbot-popup {
        width: calc(100vw - 20px);
        height: 400px;
        top: 70px;
        right: 10px;
        left: 10px;
    }
}

/* Custom scrollbar for messages */
.chatbot-messages::-webkit-scrollbar {
    width: 6px;
}

.chatbot-messages::-webkit-scrollbar-track {
    background: transparent;
}

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

body.dark-mode .chatbot-messages::-webkit-scrollbar-thumb {
    background: #555;
}

.chatbot-messages::-webkit-scrollbar-thumb:hover {
    background: #999;
}

body.dark-mode .chatbot-messages::-webkit-scrollbar-thumb:hover {
    background: #777;
}