/* Chatbot Widget Styles */
.chatbot-widget {
    position: fixed;
    bottom: 90px !important; /* Same as Zalo */
    right: 90px !important; /* 90px to the left of Zalo (20px Zalo + 56px button + 14px gap) */
    z-index: 9998;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Toggle Button */
.chatbot-toggle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.3s ease;
}

.chatbot-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.5);
}

.chatbot-toggle svg {
    color: white;
}

.chatbot-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ff4757;
    color: white;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    border: 2px solid white;
    animation: pulse 2s infinite;
}

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

/* Chatbot Window */
.chatbot-window {
    position: fixed;
    bottom: 90px !important;
    right: 90px !important;
    width: 360px;
    height: 500px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.3s ease-out;
}

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

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

.chatbot-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chatbot-avatar {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.chatbot-header h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.chatbot-status {
    font-size: 12px;
    opacity: 0.9;
}

.chatbot-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.chatbot-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.chatbot-close svg {
    color: white;
}

/* Messages Area */
.chatbot-messages {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    background: #f7f8fc;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

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

.chatbot-messages::-webkit-scrollbar-thumb {
    background: #cbd5e0;
    border-radius: 3px;
}

.chatbot-message {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

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

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.message-avatar.user-avatar {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.message-content {
    max-width: 70%;
}

.message-bubble {
    background: white;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.5;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

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

/* Typing Indicator */
.typing-indicator .message-bubble {
    display: flex;
    gap: 4px;
    padding: 12px 14px;
}

.typing-indicator .message-bubble span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #cbd5e0;
    animation: typing 1.4s infinite;
}

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

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

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    30% {
        transform: translateY(-8px);
        opacity: 1;
    }
}

/* Input Area */
.chatbot-input {
    padding: 12px 16px;
    background: white;
    border-top: 1px solid #e2e8f0;
    display: flex;
    gap: 8px;
    align-items: center;
}

.chatbot-input input {
    flex: 1;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 10px 16px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

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

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

.chatbot-send-btn:hover {
    transform: scale(1.1);
}

.chatbot-send-btn svg {
    color: white;
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .chatbot-window {
        width: calc(100vw - 40px);
        height: calc(100vh - 180px);
        bottom: 80px !important;
        right: 80px !important;
    }
    
    .chatbot-widget {
        bottom: 80px !important;
        right: 80px !important;
    }
    
    .message-content {
        max-width: 80%;
    }
}

/* Position adjustment to align with Zalo widget */
.chatbot-widget {
    bottom: 90px !important; /* Same bottom as Zalo */
    right: 90px !important; /* Next to Zalo */
}

.chatbot-window {
    bottom: 90px !important;
    right: 90px !important;
}

@media (max-width: 480px) {
    .chatbot-widget {
        bottom: 80px !important;
        right: 80px !important;
    }
    
    .chatbot-window {
        bottom: 80px !important;
        right: 80px !important;
    }
}