/* AI李时珍智能体页面样式 */
:root {
    --color-primary: #a08052;
    --color-secondary: #aaa973;
    --color-accent: #c58770;
    --color-light: #e8d5b4;
    --color-highlight: #f0c756;
    --color-text: #333;
    --color-text-light: #666;
    --color-background: #fff;
    --color-background-light: #f9f6f0;
    --transition: all 0.3s ease;
    --shadow-light: 0 8px 32px rgba(160, 128, 82, 0.15);
    --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.2);
    --glass-background: rgba(255, 255, 255, 0.7);
    --glass-border: 1px solid rgba(255, 255, 255, 0.3);
    --glass-blur: blur(10px);
}

/* 暗色主题变量 */
body.dark-theme {
    --color-text: #e0e0e0;
    --color-text-light: #aaa;
    --color-background: #1a1a1a;
    --color-background-light: #2a2a2a;
    --glass-background: rgba(40, 40, 40, 0.7);
    --glass-border: 1px solid rgba(80, 80, 80, 0.3);
}

/* 英雄区域样式 */
.ai-hero-section {
    padding: 80px 0;
    background-color: var(--color-background-light);
    background-image: url('../pics/origin/origin.jpg');
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    position: relative;
}

.ai-hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    z-index: 1;
}

body.dark-theme .ai-hero-section::before {
    background-color: rgba(0, 0, 0, 0.7);
}

.ai-hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.ai-hero-text {
    flex: 1;
}

.ai-hero-text h1 {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 20px;
    position: relative;
}

.ai-hero-text h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 80px;
    height: 3px;
    background-color: var(--color-accent);
}

.ai-hero-text p {
    font-size: 1.2rem;
    color: var(--color-text);
    margin-bottom: 30px;
    line-height: 1.6;
}

.ai-hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ai-hero-image img {
    max-width: 300px;
    border-radius: 50%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 5px solid var(--color-light);
    transition: var(--transition);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.ai-hero-image img:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* 聊天容器样式 - 玻璃拟态效果 */
.chat-container {
    background: var(--glass-background);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: 20px;
    box-shadow: var(--shadow-light);
    border: var(--glass-border);
    padding: 30px;
    margin: 40px 0;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.chat-container:hover {
    box-shadow: var(--shadow-dark);
    transform: translateY(-5px);
}

.chat-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../pics/herbs/人参.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.05;
    z-index: -1;
}

/* 聊天控制区域 */
.chat-controls {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-bottom: 15px;
}

.chat-controls button {
    background: var(--glass-background);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.chat-controls button:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(160, 128, 82, 0.3);
}

/* 聊天头部样式 */
.chat-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(160, 128, 82, 0.2);
    margin-bottom: 20px;
}

.chat-avatar img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-primary);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.chat-avatar img:hover {
    transform: scale(1.1) rotate(5deg);
}

.chat-title h3 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 5px;
}

.chat-title p {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

/* 聊天消息区域样式 */
.chat-messages {
    height: 400px;
    overflow-y: auto;
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
    scroll-behavior: smooth;
}

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

.chat-messages::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 10px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 10px;
}

.message {
    display: flex;
    gap: 15px;
    max-width: 80%;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.message.visible {
    opacity: 1;
    transform: translateY(0);
}

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

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

.message-avatar img {
    width: 40px;
    height: 40px;
    max-width: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-primary);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.message-avatar img:hover {
    transform: scale(1.1);
}

.message-content {
    background: var(--glass-background);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: 18px;
    padding: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    transition: var(--transition);
}

.message-content:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.ai-message .message-content {
    border-top-left-radius: 0;
    background: rgba(232, 213, 180, 0.4);
    border-left: 3px solid var(--color-primary);
}

.user-message .message-content {
    border-top-right-radius: 0;
    background: rgba(197, 135, 112, 0.1);
    border-right: 3px solid var(--color-accent);
}

.message-text p {
    margin: 0;
    line-height: 1.6;
    color: var(--color-text);
}

.message-timestamp {
    font-size: 0.7rem;
    color: var(--color-text-light);
    opacity: 0.7;
    text-align: right;
    margin-bottom: 5px;
}

/* 中医术语高亮 */
.tcm-term {
    color: var(--color-primary);
    font-weight: 500;
    text-decoration: underline;
    text-decoration-style: dotted;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    cursor: help;
    transition: var(--transition);
}

.tcm-term:hover {
    color: var(--color-accent);
    background: rgba(240, 199, 86, 0.1);
    border-radius: 3px;
    padding: 0 3px;
}

/* 聊天输入区域样式 */
.chat-input {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    position: relative;
}

.chat-input textarea {
    flex: 1;
    border: none;
    background: var(--glass-background);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: 15px;
    padding: 15px;
    font-size: 1rem;
    color: var(--color-text);
    resize: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    font-family: var(--font-primary);
    border: var(--glass-border);
}

.chat-input textarea:focus {
    outline: none;
    box-shadow: 0 4px 20px rgba(160, 128, 82, 0.2);
    background: rgba(255, 255, 255, 0.95);
}

body.dark-theme .chat-input textarea:focus {
    background: rgba(60, 60, 60, 0.95);
}

.chat-input button {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    align-self: flex-end;
    background: var(--color-primary);
    color: white;
    font-size: 1.2rem;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(160, 128, 82, 0.3);
}

.chat-input button:hover {
    background: var(--color-accent);
    transform: translateY(-3px) rotate(15deg);
    box-shadow: 0 6px 20px rgba(160, 128, 82, 0.4);
}

/* 浮动药材动画 */
.floating-herb {
    position: absolute;
    width: 40px;
    height: 40px;
    background-size: cover;
    border-radius: 50%;
    opacity: 0.2;
    pointer-events: none;
    z-index: 0;
    animation: floatHerb 10s ease-in-out forwards;
}

@keyframes floatHerb {
    0% {
        bottom: 0;
        transform: scale(0.5) rotate(0deg);
        opacity: 0;
    }
    20% {
        opacity: 0.2;
    }
    80% {
        opacity: 0.2;
    }
    100% {
        bottom: 80%;
        transform: scale(1.5) rotate(360deg);
        opacity: 0;
    }
}

/* 加载动画 */
.loading-dots span {
    animation: loadingDots 1.4s infinite;
    display: inline-block;
    opacity: 0;
}

.loading-dots span:nth-child(1) {
    animation-delay: 0s;
}

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

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

@keyframes loadingDots {
    0% { opacity: 0; }
    50% { opacity: 1; }
    100% { opacity: 0; }
}

/* 系统消息样式 */
.system-message .message-content {
    background: rgba(255, 0, 0, 0.1);
    border-left: 3px solid #ff5252;
}

.success-message .message-content {
    background: rgba(76, 175, 80, 0.1);
    border-left: 3px solid #4CAF50;
}

/* 使用指南样式 */
.guide-container{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.guide-item {
    background: var(--glass-background);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: 15px;
    box-shadow: var(--shadow-light);
    border: var(--glass-border);
    padding: 25px;
    transition: var(--transition);
    text-align: center;
    gap: 20px;
}

.guide-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-dark);
}

.guide-icon {
    /* width: 60px;
    height: 60px;
    background: var(--color-light);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: var(--transition); */
    width: 60px;
    height: 60px;
    background-color: var(--color-light);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
    font-size: 2.5rem;
    color: var(--color-primary);
    transition: var(--transition);
}

.guide-item:hover .guide-icon {
    transform: rotate(15deg);
    background: var(--color-primary);
    color: white;
}

.guide-content h3 {
    color: var(--color-primary);
    margin-bottom: 10px;
    font-size: 1.3rem;
    
}

.guide-content p {
    color: var(--color-text);
    line-height: 1.6;
    
}

/*李时珍功能样式*/
.features-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(490px, 1fr));
    gap: 50px;
    margin-top: 20px;
}

.feature-card {
    background: var(--glass-background);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: 15px;
    box-shadow: var(--shadow-light);
    border: var(--glass-border);
    padding: 25px;
    transition: var(--transition);
    text-align: center;
    gap: 20px;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-dark);
}

.feature-icon {
    /* width: 60px;
    height: 60px;
    background: var(--color-light);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: var(--transition); */
    width: 60px;
    height: 60px;
    background-color: var(--color-light);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
    font-size: 2.5rem;
    color: var(--color-primary);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: rotate(15deg);
    background: var(--color-primary);
    color: white;
}

.feature-card h3 {
    color: var(--color-primary);
    margin-bottom: 10px;
    font-size: 1.3rem;
    
}

.feature-card p {
    color: var(--color-text);
    line-height: 1.6;
    
}


/* 响应式样式 */
@media (max-width: 992px) {
    .ai-hero-content {
        flex-direction: column;
        text-align: center;
    }

    .ai-hero-text h1::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .guide-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .chat-messages {
        height: 350px;
    }

    .message {
        max-width: 90%;
    }
}

@media (max-width: 576px) {
    .chat-header {
        flex-direction: column;
        text-align: center;
    }

    .guide-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}