/* ============================================
   AI Chatbot Styles - 元芯传感智能客服
   ============================================ */

:root {
    --chatbot-primary: #003764;
    --chatbot-secondary: #0066cc;
    --chatbot-accent: #FF6B35;
    --chatbot-bg: #f8fafc;
    --chatbot-text: #333;
    --chatbot-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

/* Floating Chat Button - Minimalist, matching site theme */
.chatbot-trigger {
    position: fixed;
    top: 20%;
    right: 0;
    width: 56px;
    height: 56px;
    border-radius: 28px;
    background: linear-gradient(135deg, #003764 0%, #004d8c 100%);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 15px rgba(0, 55, 100, 0.35);
    z-index: 9998;
    /* Dock effect - half hidden by default */
    transform: translateX(0);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
}

/* Subtle pulse indicator */
.chatbot-trigger::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border-radius: 32px;
    border: 2px solid rgba(0, 55, 100, 0.35);
    animation: subtlePulse 2.5s ease-in-out infinite;
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* Small orange dot indicator - matching accent color */
.chatbot-trigger::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #FF6B35;
    border: 2px solid white;
    animation: dotPulse 2s ease-in-out infinite;
    opacity: 1;
    transition: opacity 0.3s ease;
}

@keyframes subtlePulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.5;
    }

    50% {
        transform: scale(1.06);
        opacity: 0;
    }
}

@keyframes dotPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.15);
    }
}

.chatbot-trigger:hover {
    transform: translateX(0);
    box-shadow: 0 5px 25px rgba(0, 55, 100, 0.45);
    background: linear-gradient(135deg, #004d8c 0%, #0066b3 100%);
}

.chatbot-trigger:hover::before {
    opacity: 0;
}

.chatbot-trigger:active {
    transform: translateX(0) scale(0.96);
}

/* When chat is open, clean look */
.chatbot-trigger.active {
    transform: translateX(0);
    opacity: 0;
    pointer-events: none;
}

.chatbot-trigger.active::before,
.chatbot-trigger.active::after {
    opacity: 0;
}

.chatbot-trigger i {
    font-size: 24px;
    color: white;
    transition: transform 0.2s ease;
    position: relative;
    z-index: 1;
}

.chatbot-trigger:hover i {
    transform: scale(1.1);
}

.chatbot-trigger.active i.fa-robot {
    display: none;
}

.chatbot-trigger.active i.fa-times {
    display: block;
}

.chatbot-trigger i.fa-times {
    display: none;
}

.chatbot-trigger:focus,
.chatbot-trigger:focus-visible,
.chatbot-trigger:focus-within {
    outline: none;
    box-shadow: 0 5px 25px rgba(0, 55, 100, 0.45);
}

/* Notification Badge */
.chatbot-badge {
    position: absolute;
    top: -5px;
    left: 0;
    width: 22px;
    height: 22px;
    background: #ff4757;
    border-radius: 50%;
    color: white;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid white;
    animation: badgePop 0.3s ease;
}

@keyframes badgePop {
    0% {
        transform: scale(0);
    }

    50% {
        transform: scale(1.2);
    }

    100% {
        transform: scale(1);
    }
}

/* Chat Window - Larger size for better readability */
.chatbot-window {
    position: fixed;
    top: 10%;
    right: 20px;
    width: 720px;
    height: 650px;
    max-height: calc(100vh - 15%);
    background: white;
    border-radius: 16px;
    box-shadow: var(--chatbot-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateX(20px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.chatbot-window.open {
    opacity: 1;
    visibility: visible;
    transform: translateX(0) scale(1);
}

/* Chat Header */
.chatbot-header {
    background: linear-gradient(135deg, var(--chatbot-primary) 0%, var(--chatbot-secondary) 100%);
    color: white;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.chatbot-avatar {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

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

.chatbot-info span {
    font-size: 12px;
    opacity: 0.85;
    display: flex;
    align-items: center;
    gap: 5px;
}

.chatbot-info span::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #2ecc71;
    border-radius: 50%;
    animation: statusPulse 1.5s infinite;
}

@keyframes statusPulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.chatbot-close {
    margin-left: auto;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

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

/* Chat Messages Area */
.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: var(--chatbot-bg);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

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

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

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

/* Message Bubbles */
.chat-message {
    display: flex;
    gap: 10px;
    max-width: 85%;
    animation: messageSlide 0.3s ease;
}

@keyframes messageSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.chat-message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.chat-message.bot .message-avatar {
    background: linear-gradient(135deg, var(--chatbot-primary), var(--chatbot-secondary));
    color: white;
}

.chat-message.user .message-avatar {
    background: #e1e5eb;
    color: #555;
}

.message-content {
    padding: 12px 16px;
    border-radius: 18px;
    line-height: 1.5;
    font-size: 14px;
}

.chat-message.bot .message-content {
    background: white;
    color: var(--chatbot-text);
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.chat-message.user .message-content {
    background: linear-gradient(135deg, var(--chatbot-primary), var(--chatbot-secondary));
    color: white;
    border-bottom-right-radius: 4px;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    background: white;
    border-radius: 18px;
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

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

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

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

@keyframes typingBounce {

    0%,
    60%,
    100% {
        transform: translateY(0);
    }

    30% {
        transform: translateY(-4px);
    }
}

/* Chat Input Area */
.chatbot-input-area {
    padding: 16px 20px;
    background: white;
    border-top: 1px solid #eee;
    display: flex;
    gap: 12px;
    align-items: flex-end;
    flex-shrink: 0;
}

.chatbot-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid #e0e0e0;
    border-radius: 24px;
    font-size: 14px;
    outline: none;
    resize: none;
    max-height: 100px;
    line-height: 1.4;
    transition: border-color 0.2s;
    font-family: inherit;
    overflow-y: auto;
    scrollbar-width: none;
    /* Firefox */
    -ms-overflow-style: none;
    /* IE/Edge */
}

.chatbot-input::-webkit-scrollbar {
    display: none;
    /* Chrome/Safari/Opera */
}

.chatbot-input:focus {
    border-color: var(--chatbot-secondary);
}

.chatbot-input::placeholder {
    color: #aaa;
}

.chatbot-send {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--chatbot-primary), var(--chatbot-secondary));
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

.chatbot-send:hover:not(:disabled) {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 51, 102, 0.3);
}

.chatbot-send:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.chatbot-send i {
    font-size: 18px;
}

/* Welcome Message */
.chat-welcome {
    text-align: center;
    padding: 20px;
}

.chat-welcome h4 {
    color: var(--chatbot-primary);
    margin-bottom: 8px;
    font-size: 16px;
}

.chat-welcome p {
    color: #666;
    font-size: 13px;
    line-height: 1.5;
}

/* Quick Actions */
.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
    justify-content: center;
}

.quick-action-btn {
    padding: 8px 14px;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 20px;
    font-size: 12px;
    color: var(--chatbot-primary);
    cursor: pointer;
    transition: all 0.2s;
}

.quick-action-btn:hover {
    background: var(--chatbot-primary);
    color: white;
    border-color: var(--chatbot-primary);
}

/* Error State */
.chat-error {
    background: #fff5f5;
    border: 1px solid #ffdbdb;
    color: #c0392b;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    text-align: center;
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .chatbot-window {
        top: 0;
        bottom: 0;
        right: 0;
        left: 0;
        width: 100%;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
    }

    .chatbot-trigger {
        top: auto;
        bottom: 20px;
        right: 0;
        width: 50px;
        height: 50px;
        border-radius: 25px;
        transform: translateX(0);
    }

    .chatbot-trigger:hover,
    .chatbot-trigger.active {
        transform: translateX(0);
    }

    .chatbot-trigger i {
        font-size: 22px;
    }
}

/* Pre-formatted code blocks in messages */
.message-content pre {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 12px 16px;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 13px;
    margin: 10px 0;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    line-height: 1.5;
    border-left: 3px solid var(--chatbot-accent);
}

.message-content pre code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

.message-content code {
    background: rgba(0, 102, 204, 0.1);
    color: var(--chatbot-primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
}

.chat-message.user .message-content code {
    background: rgba(255, 255, 255, 0.2);
    color: #e0f0ff;
}

/* Link styling in messages */
.message-content a {
    color: var(--chatbot-secondary);
    text-decoration: none;
    border-bottom: 1px solid var(--chatbot-accent);
    transition: all 0.2s;
}

.message-content a:hover {
    color: var(--chatbot-accent);
}

.chat-message.user .message-content a {
    color: #a8d8ff;
    border-bottom-color: rgba(255, 255, 255, 0.5);
}

/* Enhanced Markdown rendering */
.message-content p {
    margin: 0 0 10px 0;
    line-height: 1.6;
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-content ul,
.message-content ol {
    margin: 10px 0;
    padding-left: 24px;
}

.message-content li {
    margin: 6px 0;
    line-height: 1.5;
}

.message-content li::marker {
    color: var(--chatbot-secondary);
}

/* Headings in markdown */
.message-content h1,
.message-content h2,
.message-content h3,
.message-content h4 {
    margin: 16px 0 8px 0;
    font-weight: 600;
    color: var(--chatbot-primary);
}

.message-content h1 {
    font-size: 18px;
    border-bottom: 2px solid var(--chatbot-accent);
    padding-bottom: 6px;
}

.message-content h2 {
    font-size: 16px;
}

.message-content h3 {
    font-size: 15px;
}

.message-content h4 {
    font-size: 14px;
}

/* Blockquotes */
.message-content blockquote {
    margin: 10px 0;
    padding: 10px 16px;
    background: rgba(0, 102, 204, 0.05);
    border-left: 3px solid var(--chatbot-accent);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: #555;
}

/* Tables */
.message-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 10px 0;
    font-size: 13px;
}

.message-content th,
.message-content td {
    padding: 8px 12px;
    border: 1px solid #e0e0e0;
    text-align: left;
}

.message-content th {
    background: var(--chatbot-bg);
    font-weight: 600;
    color: var(--chatbot-primary);
}

.message-content tr:nth-child(even) {
    background: #f9f9f9;
}

/* Horizontal rule */
.message-content hr {
    border: none;
    border-top: 1px solid #e0e0e0;
    margin: 16px 0;
}

/* Strong and emphasis */
.message-content strong {
    font-weight: 600;
    color: var(--chatbot-primary);
}

.chat-message.user .message-content strong {
    color: white;
}

.message-content em {
    font-style: italic;
}