/* chat-styles.css */
.chat-container {
    height: 500px;
    overflow-y: auto;
    padding: 20px;
    background: #fafafa;
    border: 1px solid #ddd;
    border-radius: 8px;
    margin-bottom: 20px;
}

.chat-message {
    margin-bottom: 20px;
    max-width: 80%;
    animation: fadeIn 0.3s ease;
}

.user-message {
    margin-left: auto;
}

.bot-message {
    margin-right: auto;
}

.message-content {
    padding: 15px;
    border-radius: 18px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.user-message .message-content {
    background: linear-gradient(90deg, #3494E6, #EC6EAD);
    color: white;
    border-top-right-radius: 4px;
}

.bot-message .message-content {
    background: white;
    color: #333;
    border-top-left-radius: 4px;
    border: 1px solid #eaeaea;
}

.message-header {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    font-weight: 500;
}

.user-message .message-header {
    justify-content: flex-end;
    color: #4b6cb7;
}

.bot-message .message-header {
    color: #666;
}

.chat-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    margin-right: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.user-avatar {
    background: #4b6cb7;
    color: white;
    margin-right: 0;
    margin-left: 10px;
}

.bot-avatar {
    background: #e9ecef;
    color: #4b6cb7;
}

.chat-input-area {
    padding: 20px;
    background: white;
    border-top: 1px solid #eaeaea;
    display: flex;
    gap: 12px;
}

.chat-input {
    flex-grow: 1;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 24px;
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s;
}

.chat-input:focus {
    border-color: #4b6cb7;
    box-shadow: 0 0 0 2px rgba(75, 108, 183, 0.2);
}

.chat-send-button {
    padding: 0;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(90deg, #4b6cb7 0%, #182848 100%);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s;
}

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

.chat-controls {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 0 20px 15px;
    background: white;
}

.typing-indicator {
    display: inline-flex;
    padding: 12px 16px;
    background: white;
    border-radius: 18px;
    border-top-left-radius: 4px;
    border: 1px solid #eaeaea;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: #888;
    border-radius: 50%;
    margin: 0 3px;
    animation: typingAnimation 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) {
    animation-delay: 0s;
}

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

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

@keyframes typingAnimation {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-5px);
    }
}

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

/* 富文本样式 */
.rich-text {
    line-height: 1.6;
}

.rich-text h1, .rich-text h2, .rich-text h3 {
    margin-top: 15px;
    margin-bottom: 10px;
    color: #2c3e50;
}

.rich-text p {
    margin-bottom: 12px;
}

.rich-text ul, .rich-text ol {
    padding-left: 25px;
    margin-bottom: 15px;
}

.rich-text li {
    margin-bottom: 5px;
}

.rich-text code {
    background: #f8f9fa;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: #e83e8c;
}

.rich-text pre {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 15px 0;
    border-left: 4px solid #4b6cb7;
}

.rich-text pre code {
    background: none;
    padding: 0;
    color: #333;
}

.rich-text blockquote {
    border-left: 4px solid #4b6cb7;
    padding-left: 15px;
    margin: 15px 0;
    color: #555;
    font-style: italic;
}

.rich-text table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.rich-text table, .rich-text th, .rich-text td {
    border: 1px solid #dee2e6;
}

.rich-text th, .rich-text td {
    padding: 10px;
    text-align: left;
}

.rich-text th {
    background-color: #4b6cb7;
    color: white;
    font-weight: 500;
}

.rich-text tr:nth-child(even) {
    background-color: #f8f9fa;
}

.rich-text tr:hover {
    background-color: #e9ecef;
}