/* ===== 全局样式变量 ===== */
:root {
    /* 主色调 */
    --primary-color: #4a6bff;
    --primary-light: #6a8bff;
    --primary-dark: #3a5adf;
    
    /* 次要色调 */
    --secondary-color: #00d4aa;
    --secondary-light: #20e4ba;
    --secondary-dark: #00b49a;
    
    /* 背景色 */
    --bg-color: #0a0e27;
    --bg-light: #0f1429;
    --bg-lighter: #1a1f3a;
    
    /* 文字颜色 */
    --text-color: #ffffff;
    --text-secondary: #b8c1ec;
    --text-muted: #8b92b9;
    
    /* 边框和分割线 */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-light: rgba(255, 255, 255, 0.05);
    
    /* 状态颜色 */
    --success-color: #00d4aa;
    --warning-color: #ffaa00;
    --error-color: #ff4757;
    --info-color: #4a6bff;
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.25);
    
    /* 过渡动画 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50%;
}

/* ===== 基础样式重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ===== 动态背景 ===== */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -2;
}

.particle {
    position: absolute;
    background: var(--primary-color);
    border-radius: var(--radius-full);
    opacity: 0.2;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 0.2;
    }
    90% {
        opacity: 0.2;
    }
    100% {
        transform: translateY(-100vh) translateX(100px);
        opacity: 0;
    }
}

.grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--border-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1;
    opacity: 0.3;
}

/* ===== 主容器 ===== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

/* ===== 顶部导航 ===== */
.header {
    background: rgba(15, 20, 41, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    box-shadow: var(--shadow-md);
}

.logo-text h1 {
    font-size: 1.8rem;
    margin-bottom: 5px;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--success-color);
    border-radius: var(--radius-full);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* ===== 章节选择区域 ===== */
.chapter-selection {
    background: rgba(15, 20, 41, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: 25px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.selection-header {
    text-align: center;
    margin-bottom: 30px;
}

.selection-header h2 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.selection-header p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.chapters-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.chapter-card {
    background: rgba(26, 31, 58, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.chapter-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.chapter-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.chapter-card:hover::before {
    opacity: 0.1;
}

.chapter-card.active {
    border-color: var(--primary-color);
    background: rgba(74, 107, 255, 0.1);
}

.chapter-card.active::before {
    opacity: 0.15;
}

.chapter-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    flex-shrink: 0;
}

.chapter-info {
    flex: 1;
}

.chapter-info h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.chapter-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.chapter-status {
    flex-shrink: 0;
}

.status-badge {
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.available {
    background: rgba(0, 212, 170, 0.2);
    color: var(--secondary-color);
    border: 1px solid rgba(0, 212, 170, 0.3);
}

.status-badge.locked {
    background: rgba(255, 71, 87, 0.2);
    color: var(--error-color);
    border: 1px solid rgba(255, 71, 87, 0.3);
}

/* ===== 功能演示区域 ===== */
.demo-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.chapter-content {
    background: rgba(15, 20, 41, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: 25px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.5s ease;
}

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

.chapter-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.chapter-header h2 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.chapter-header p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== 聊天界面 ===== */
.demo-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.chat-interface {
    background: rgba(26, 31, 58, 0.6);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 500px;
}

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

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

.chat-messages::-webkit-scrollbar-track {
    background: var(--bg-lighter);
}

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

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

.welcome-message {
    text-align: center;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.welcome-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    box-shadow: var(--shadow-md);
}

.welcome-message h2 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.welcome-message p {
    color: var(--text-secondary);
    max-width: 500px;
    line-height: 1.6;
}

.message {
    display: flex;
    gap: 12px;
    max-width: 80%;
    animation: messageSlide 0.3s ease;
}

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

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

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: white;
    flex-shrink: 0;
}

.message.user .message-avatar {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
}

.message.ai .message-avatar {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
}

.message-content {
    background: rgba(26, 31, 58, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 12px 16px;
    position: relative;
}

.message.user .message-content {
    background: rgba(74, 107, 255, 0.2);
    border-color: rgba(74, 107, 255, 0.3);
}

.message-text {
    margin-bottom: 5px;
    line-height: 1.5;
}

.message-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: right;
}

.chat-input-container {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 12px;
    align-items: center;
}

.input-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(26, 31, 58, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    overflow: hidden;
    transition: border-color var(--transition-normal);
}

.input-wrapper:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(74, 107, 255, 0.2);
}

.chat-input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 12px 16px;
    color: var(--text-color);
    font-size: 0.95rem;
    outline: none;
}

.chat-input::placeholder {
    color: var(--text-muted);
}

.btn-emoji {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px 12px;
    cursor: pointer;
    transition: color var(--transition-normal);
}

.btn-emoji:hover {
    color: var(--primary-color);
}

.btn-send {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    color: white;
    padding: 12px 20px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.btn-send:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-send:active {
    transform: translateY(0);
}

/* ===== 控制面板 ===== */
.memory-controls, .stream-controls, .function-controls, .rag-controls {
    background: rgba(26, 31, 58, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
}

.memory-controls h3, .stream-controls h3, .function-controls h3, .rag-controls h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.control-buttons {
    display: flex;
    gap: 12px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.btn-secondary {
    background: rgba(74, 107, 255, 0.2);
    border: 1px solid rgba(74, 107, 255, 0.3);
    color: var(--primary-light);
    padding: 10px 16px;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    transition: all var(--transition-normal);
}

.btn-secondary:hover {
    background: rgba(74, 107, 255, 0.3);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.memory-display {
    background: rgba(15, 20, 41, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 15px;
    margin-top: 15px;
}

.memory-display h4 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.memory-content {
    background: rgba(26, 31, 58, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px;
    font-family: monospace;
    font-size: 0.85rem;
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

.stream-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(255, 170, 0, 0.1);
    border: 1px solid rgba(255, 170, 0, 0.3);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--warning-color);
    width: fit-content;
}

.stream-status.active {
    background: rgba(0, 212, 170, 0.1);
    border-color: rgba(0, 212, 170, 0.3);
    color: var(--secondary-color);
}

.function-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.function-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(15, 20, 41, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 15px;
    transition: all var(--transition-normal);
}

.function-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.function-info h4 {
    font-size: 1rem;
    margin-bottom: 5px;
}

.function-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.btn-function {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
    border: none;
    color: white;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.btn-function:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.rag-stats {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.rag-stats span {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: rgba(74, 107, 255, 0.1);
    border: 1px solid rgba(74, 107, 255, 0.2);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
}

.file-upload-area {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.upload-area {
    flex: 1;
    min-width: 250px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
}

.upload-area:hover, .upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(74, 107, 255, 0.05);
}

.upload-area i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.upload-area p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

#rag-file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.btn-upload {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    color: white;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.btn-upload:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.upload-status {
    padding: 10px 15px;
    background: rgba(15, 20, 41, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ===== 底部信息 ===== */
.footer {
    margin-top: auto;
    padding-top: 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-top: 1px solid var(--border-color);
}

.footer-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 15px;
}

.footer-link {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: rgba(26, 31, 58, 0.6);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.footer-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* ===== 响应式设计 ===== */
@media (max-width: 1200px) {
    .container {
        max-width: 95%;
        margin: 10px auto;
    }
    
    .header-content {
        padding: 15px 20px;
    }
    
    .logo-text h1 {
        font-size: 1.5rem;
    }
}

@media (max-width: 992px) {
    .chapters-container {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .control-buttons {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 14px;
    }
    
    .container {
        margin: 0;
        border-radius: 0;
        padding: 15px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
        padding: 15px;
    }
    
    .logo-section {
        flex-direction: column;
        gap: 10px;
    }
    
    .logo-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .logo-text h1 {
        font-size: 1.3rem;
    }
    
    .chapter-selection {
        padding: 20px 15px;
    }
    
    .chapters-container {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .chapter-card {
        padding: 15px;
    }
    
    .chapter-content {
        padding: 20px 15px;
    }
    
    .chat-interface {
        height: 400px;
    }
    
    .chat-input-container {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn-send {
        width: 100%;
        justify-content: center;
    }
    
    .input-wrapper {
        width: 100%;
    }
    
    .control-buttons {
        flex-direction: column;
    }
    
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .rag-stats {
        justify-content: center;
    }
    
    .file-upload-area {
        flex-direction: column;
    }
    
    .upload-area {
        min-width: 100%;
    }
    
    .btn-upload {
        width: 100%;
        justify-content: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .particles-container {
        display: none;
    }
    
    .grid-bg {
        display: none;
    }
}

@media (max-width: 480px) {
    .header-controls {
        flex-direction: column;
        gap: 10px;
    }
    
    .status-indicator {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
    
    .chapter-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .chapter-info h3 {
        font-size: 1rem;
    }
    
    .chapter-info p {
        font-size: 0.8rem;
    }
    
    .welcome-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .welcome-message h2 {
        font-size: 1.3rem;
    }
    
    .function-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .btn-function {
        width: 100%;
        justify-content: center;
    }
}

/* 横屏模式优化 */
@media (max-height: 600px) and (orientation: landscape) {
    .header {
        padding: 8px 0;
    }
    
    .logo-text h1 {
        font-size: 1.2rem;
    }
    
    .chapter-selection h2 {
        font-size: 1.3rem;
        margin-bottom: 15px;
    }
    
    .chapter-selection p {
        font-size: 0.9rem;
        margin-bottom: 20px;
    }
    
    .chapters-container {
        grid-template-columns: repeat(4, 1fr);
        gap: 15px;
    }
    
    .chapter-card {
        padding: 15px;
    }
    
    .chapter-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .chapter-info h3 {
        font-size: 0.9rem;
    }
    
    .chapter-info p {
        font-size: 0.8rem;
    }
    
    .chat-interface {
        height: 300px;
    }
    
    .demo-panel {
        gap: 15px;
    }
}

/* 打印样式 */
@media print {
    .particles-container,
    .grid-bg,
    .header,
    .footer {
        display: none !important;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    .chapter-selection h2 {
        font-size: 1.5rem;
        margin-bottom: 10px;
        color: #000;
    }
    
    .chapter-selection p {
        font-size: 1rem;
        margin-bottom: 15px;
        color: #333;
    }
    
    .chapters-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        margin-bottom: 20px;
    }
    
    .chapter-card {
        padding: 15px;
        border: 1px solid #ddd;
        background: #fff;
        color: #000;
        page-break-inside: avoid;
    }
    
    .demo-panel {
        flex-direction: column;
        height: auto;
    }
    
    .chat-interface,
    .memory-controls,
    .stream-controls,
    .function-controls,
    .rag-controls {
        width: 100%;
        height: auto;
        margin-bottom: 20px;
        border: 1px solid #ddd;
        background: #fff;
        color: #000;
    }
    
    .chat-messages,
    .memory-display,
    .function-list {
        padding: 10px;
    }
    
    .message,
    .function-item {
        margin-bottom: 10px;
    }
    
    .btn-send,
    .btn-secondary,
    .btn-function,
    .btn-upload {
        display: none;
    }
}