/* ==================== 全局样式 ==================== */
* {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.gradio-container {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif !important;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8eef5 100%) !important;
}

/* ==================== Emoji 显示修复 ==================== */
* {
    font-feature-settings: "liga" 1, "calt" 1, "kern" 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
.gr-markdown code {
    background: transparent !important; padding: 0 !important; font-family: inherit !important;
}
.gr-html * {
    background-clip: border-box !important; -webkit-background-clip: border-box !important; -webkit-text-fill-color: initial !important;
}

/* ==================== 标题区域 ==================== */
.main-title {
    text-align: center; font-size: 3em !important; font-weight: 900 !important; margin-bottom: 0.3em; letter-spacing: -1px; animation: titleGlow 3s ease-in-out infinite; color: #333;
}
h1.main-title {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
@keyframes titleGlow {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.2); }
}
.subtitle {
    text-align: center; color: #555; font-size: 1.2em; font-weight: 500; margin-bottom: 1.5em; letter-spacing: 0.5px;
}
p.subtitle { color: #555 !important; }

/* ==================== 项目信息横幅 ==================== */
.project-info-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); 
    color: white; 
    padding: 25px 30px; 
    border-radius: 20px; 
    margin-bottom: 30px; 
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.35); 
    animation: bannerSlide 0.6s ease-out;
    position: relative;
    overflow: hidden;
}

.project-info-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: shimmer 8s infinite linear;
}

@keyframes shimmer {
    0% { transform: translate(-100%, -100%) rotate(0deg); }
    100% { transform: translate(100%, 100%) rotate(360deg); }
}

@keyframes bannerSlide {
    from { transform: translateY(-30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ==================== 标签页样式 ==================== */
.tab-nav {
    background: white; border-radius: 12px; padding: 8px; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08); margin-bottom: 20px;
}
.tab-nav button {
    font-weight: 600 !important; font-size: 1.1em !important; padding: 12px 24px !important; border-radius: 8px !important; border: none !important; transition: all 0.3s ease !important;
}
.tab-nav button:hover {
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%) !important; transform: translateY(-2px) !important;
}
.tab-nav button.selected {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important; color: white !important; box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4) !important;
}

/* ==================== 卡片和分组样式 ==================== */
.gr-group {
    background: white !important; 
    border-radius: 20px !important; 
    padding: 28px !important; 
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.04) !important; 
    border: 1px solid rgba(102, 126, 234, 0.08) !important; 
    margin-bottom: 20px !important; 
    transition: transform 0.3s ease, box-shadow 0.3s ease !important;
    backdrop-filter: blur(10px);
}
.gr-group:hover {
    transform: translateY(-6px) !important; 
    box-shadow: 0 12px 48px rgba(102, 126, 234, 0.12), 0 4px 16px rgba(102, 126, 234, 0.08) !important;
}
.card-title {
    font-size: 1.5em; 
    font-weight: 700; 
    color: #333 !important; 
    margin-bottom: 18px; 
    border-bottom: 3px solid; 
    border-image: linear-gradient(90deg, #667eea, #764ba2) 1; 
    padding-bottom: 12px; 
    display: flex; 
    align-items: center; 
    gap: 10px;
    letter-spacing: -0.5px;
}

/* ==================== 输入框样式 ==================== */
.gr-textbox input, .gr-textbox textarea {
    border: 2px solid #e0e7ff !important; border-radius: 10px !important; padding: 12px 16px !important; font-size: 1em !important; transition: all 0.3s ease !important; background: #fafbff !important;
}
.gr-textbox input:focus, .gr-textbox textarea:focus {
    border-color: #667eea !important; box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1) !important; background: white !important; transform: translateY(-2px);
}
.gr-textbox label {
    font-weight: 600 !important; color: #4a5568 !important; margin-bottom: 8px !important;
}

/* ==================== 按钮样式 ==================== */
button {
    border-radius: 12px !important; 
    font-weight: 600 !important; 
    padding: 14px 28px !important; 
    font-size: 1.05em !important; 
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important; 
    border: none !important; 
    cursor: pointer !important;
    letter-spacing: 0.3px;
}
.primary-btn, button[variant="primary"] {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important; 
    color: white !important; 
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4) !important;
    position: relative;
    overflow: hidden;
}
.primary-btn::before, button[variant="primary"]::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}
.primary-btn:hover::before, button[variant="primary"]:hover::before {
    width: 300px;
    height: 300px;
}
.primary-btn:hover, button[variant="primary"]:hover {
    transform: translateY(-4px) scale(1.03) !important; 
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.5) !important;
}
button[variant="secondary"] {
    background-color: white !important; 
    color: #667eea !important; 
    border: 2px solid #667eea !important;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.15) !important;
}
button[variant="secondary"]:hover {
    background: linear-gradient(135deg, #f0f4ff 0%, #faf5ff 100%) !important; 
    transform: translateY(-3px) !important;
    box-shadow: 0 6px 18px rgba(102, 126, 234, 0.25) !important;
}

/* ==================== 滑块样式 ==================== */
.gr-slider { padding: 20px 10px !important; }
.gr-slider input[type="range"] {
    height: 8px !important; border-radius: 4px !important; background: linear-gradient(90deg, #667eea 0%, #764ba2 100%) !important;
}

/* ==================== 聊天机器人样式 ==================== */
.modern-chatbot {
    background: white !important; 
    border-radius: 20px !important; 
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08) !important; 
    border: 1px solid rgba(102, 126, 234, 0.1) !important;
}
.message.user {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important; 
    color: white !important; 
    border-radius: 20px 20px 4px 20px !important;
    padding: 14px 18px !important;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.25) !important;
    animation: messageSlideIn 0.3s ease-out;
}
.message.user * {
    color: white !important;
}
.message.bot {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%) !important; 
    border: 1px solid #e0e7ff !important; 
    border-radius: 20px 20px 20px 4px !important; 
    color: #2d3748 !important;
    padding: 14px 18px !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06) !important;
    animation: messageSlideIn 0.3s ease-out;
}
.message.bot * { color: #2d3748 !important; }
.message.bot code { 
    background: #f0f4ff !important; 
    color: #667eea !important; 
    padding: 3px 8px !important; 
    border-radius: 6px !important;
    border: 1px solid #e0e7ff !important;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace !important;
}

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

/* ==================== 知识卡片样式 ==================== */
.knowledge-card {
    background: white !important; 
    border-radius: 16px !important; 
    padding: 24px !important; 
    box-shadow: 0 6px 24px rgba(102, 126, 234, 0.1) !important; 
    border: 1px solid rgba(102, 126, 234, 0.12) !important;
    margin: 15px 0 !important;
}

.knowledge-card h3 {
    margin-top: 0 !important;
    padding-bottom: 15px !important;
    border-bottom: 2px solid;
    border-image: linear-gradient(90deg, #667eea, #764ba2) 1;
}

.knowledge-card h4 {
    margin-top: 18px !important;
    margin-bottom: 12px !important;
    font-size: 1.1em !important;
    font-weight: 700 !important;
}

.knowledge-card details {
    margin: 12px 0 !important;
    transition: all 0.3s ease !important;
}

.knowledge-card details[open] {
    margin-bottom: 18px !important;
}

.knowledge-card details summary {
    cursor: pointer !important;
    user-select: none !important;
    outline: none !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    position: relative !important;
}

.knowledge-card details summary:hover {
    transform: translateX(5px) !important;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.15) !important;
}

.knowledge-card details summary::marker {
    font-size: 1.2em !important;
}

.knowledge-card details[open] summary {
    margin-bottom: 8px !important;
}

.knowledge-card table {
    border-collapse: collapse !important;
    width: 100% !important;
    margin: 15px 0 !important;
    font-size: 0.95em !important;
}

.knowledge-card table td,
.knowledge-card table th {
    padding: 12px !important;
    text-align: left !important;
}

.knowledge-card ul {
    margin: 10px 0 !important;
    padding-left: 25px !important;
}

.knowledge-card li {
    margin: 6px 0 !important;
    line-height: 1.6 !important;
}

.knowledge-card p {
    margin: 10px 0 !important;
    line-height: 1.7 !important;
}

.knowledge-card strong {
    color: #667eea !important;
    font-weight: 700 !important;
}

/* 滚动条美化 */
.knowledge-card::-webkit-scrollbar,
div[style*="overflow-y: auto"]::-webkit-scrollbar {
    width: 8px !important;
}

.knowledge-card::-webkit-scrollbar-track,
div[style*="overflow-y: auto"]::-webkit-scrollbar-track {
    background: #f1f1f1 !important;
    border-radius: 4px !important;
}

.knowledge-card::-webkit-scrollbar-thumb,
div[style*="overflow-y: auto"]::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    border-radius: 4px !important;
}

.knowledge-card::-webkit-scrollbar-thumb:hover,
div[style*="overflow-y: auto"]::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5568d3 0%, #6a3f8a 100%) !important;
}

/* ... 其他CSS规则可以从原文件复制过来 ... */