/* 草台班子 - 可定制样式
 * 
 * 浅色系主题 + 左右两栏布局
 */

/* 浅色系主题变量 */
:root {
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f3f4;
    --bg-hover: #e8eaed;
    
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --text-accent: #1a73e8;
    
    --font-size-base: 14px;
    
    --border-color: #dadce0;
    --border-focus: #1a73e8;
    
    --success-color: #34a853;
    --warning-color: #ea4335;
    --info-color: #1a73e8;
    
    --user-msg-bg: #1a73e8;
    --assistant-msg-bg: #ffffff;
    --tool-msg-bg: #fef3e8;
    --tool-border-color: #f9ab00;
    
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 60px;
    --banner-height: 200px;
    
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    
    --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.1);
    --shadow-md: 0 2px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.15);
}

/* 整体布局 */
body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    font-size: var(--font-size-base);
}

#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* Banner 区域 */
.banner {
    height: var(--banner-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    overflow: hidden;
}

.banner img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

/* 主体布局 - 左右两栏 */
.main-container {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* 左侧边栏 - Agent 信息卡 */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: width 0.3s ease;
    flex-shrink: 0;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-accent);
    white-space: nowrap;
    overflow: hidden;
}

.sidebar.collapsed .sidebar-title {
    display: none;
}


.sidebar-toggle {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.sidebar-toggle:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* Agent 信息卡 */
.agent-card {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.sidebar.collapsed .agent-card {
    padding: var(--spacing-md) var(--spacing-sm);
}

.agent-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.sidebar.collapsed .agent-avatar {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
}

.agent-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.sidebar.collapsed .agent-name {
    display: none;
}


.agent-role {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
}

.sidebar.collapsed .agent-role {
    display: none;
}


.agent-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
}

.sidebar.collapsed .agent-status {
    display: none;
}


.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--warning-color);
}

.status-dot.connected {
    background: var(--success-color);
}

.status-dot.thinking {
    background: var(--info-color);
    animation: pulse 1s infinite;
}

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

/* 侧边栏底部 */
.sidebar-footer {
    margin-top: auto;
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.sidebar.collapsed .sidebar-footer {
    padding: var(--spacing-sm);
}

.sidebar-btn {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all 0.2s;
    margin-bottom: var(--spacing-sm);
}

.sidebar-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--text-accent);
}

.sidebar.collapsed .sidebar-btn span {
    display: none;
}

/* 右侧主内容区 */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-primary);
}

/* 聊天容器 */
.chat-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* 欢迎消息 */
.welcome-message {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: auto;
    max-width: 600px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.welcome-message h2 {
    color: var(--text-accent);
    margin-bottom: var(--spacing-md);
}

.welcome-message p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.welcome-message ul {
    list-style: none;
    text-align: left;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.welcome-message li {
    padding: var(--spacing-xs) 0;
    color: var(--text-primary);
}

/* 消息样式 */
.message {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    animation: fadeIn 0.3s ease;
    box-shadow: var(--shadow-sm);
}

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

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.message-content {
    flex: 1;
    min-width: 0;
}

.message-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.message-author {
    font-weight: 600;
    font-size: 0.875rem;
}

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

.message-body {
    line-height: 1.6;
    word-wrap: break-word;
    font-size: 1rem;
}

.message-body pre {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    overflow-x: auto;
    margin: var(--spacing-sm) 0;
}

.message-body code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.message-body p {
    margin-bottom: var(--spacing-sm);
}

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

/* Markdown Styles */
.message-body h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: var(--spacing-md) 0 var(--spacing-sm);
    color: var(--text-primary);
}

.message-body h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: var(--spacing-md) 0 var(--spacing-sm);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-xs);
}

.message-body h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: var(--spacing-sm) 0 var(--spacing-xs);
    color: var(--text-primary);
}

.message-body h4, .message-body h5, .message-body h6 {
    font-size: 1rem;
    font-weight: 600;
    margin: var(--spacing-sm) 0 var(--spacing-xs);
    color: var(--text-primary);
}

.message-body strong {
    font-weight: 600;
    color: var(--text-primary);
}

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

.message-body a {
    color: var(--text-accent);
    text-decoration: none;
}

.message-body a:hover {
    text-decoration: underline;
}

.message-body ul, .message-body ol {
    margin: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
}

.message-body ul {
    list-style-type: disc;
}

.message-body ol {
    list-style-type: decimal;
}

.message-body li {
    margin: var(--spacing-xs) 0;
}

.message-body blockquote {
    border-left: 4px solid var(--text-accent);
    margin: var(--spacing-sm) 0;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.message-body hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: var(--spacing-md) 0;
}

.message-body table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-sm) 0;
    font-size: 0.875rem;
}

.message-body th, .message-body td {
    border: 1px solid var(--border-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    text-align: left;
}

.message-body th {
    background: var(--bg-tertiary);
    font-weight: 600;
}

.message-body tr:nth-child(even) {
    background: var(--bg-primary);
}

/* 用户消息 */
.message.user {
    background: var(--user-msg-bg);
    margin-left: auto;
    max-width: 80%;
    color: white;
}

.message.user .message-avatar {
    background: rgba(255, 255, 255, 0.3);
    order: 2;
}

.message.user .message-content {
    order: 1;
}

.message.user .message-author {
    color: rgba(255, 255, 255, 0.9);
}

.message.user .message-time {
    color: rgba(255, 255, 255, 0.7);
}

/* AI 消息 */
.message.assistant {
    background: var(--assistant-msg-bg);
    border: 1px solid var(--border-color);
}

.message.assistant .message-avatar {
    background: var(--text-accent);
    color: white;
}

.message.assistant .message-author {
    color: var(--text-accent);
}

/* 工具调用消息 - 已整合到assistant消息内，独立tool消息隐藏 */
.message.tool {
    display: none;
}


/* 工具调用折叠 */
.tool-call-collapsible {
    cursor: pointer;
    user-select: none;
}

.tool-call-header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.tool-call-summary {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.tool-toggle-icon {
    font-size: 0.75rem;
    transition: transform 0.2s;
    color: var(--text-secondary);
}

.tool-toggle-icon.expanded {
    transform: rotate(90deg);
}

.tool-call-content-wrapper {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.tool-call-content-wrapper.expanded {
    max-height: 2000px;
}

/* 工具调用详情 */
.tool-call {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    margin-top: var(--spacing-sm);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
}

.tool-call-header {
    color: #b06000;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-color);
}

.tool-call-content {
    color: var(--text-secondary);
    white-space: pre-wrap;
    font-size: 0.8rem;
    line-height: 1.5;
}

/* 思考指示器 */
.thinking-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    align-self: flex-start;
    margin-left: 52px;
}

.thinking-dots {
    display: flex;
    gap: 4px;
}

.thinking-dots span {
    width: 6px;
    height: 6px;
    background: var(--text-secondary);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

.thinking-dots span:nth-child(1) { animation-delay: -0.32s; }
.thinking-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* 输入容器 */
.input-container {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-lg);
    flex-shrink: 0;
}

.attachments {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.attachment {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
}

.attachment img {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.attachment-remove {
    cursor: pointer;
    color: var(--text-secondary);
    padding: 2px;
}

.attachment-remove:hover {
    color: var(--warning-color);
}

.attachment-uploading {
    opacity: 0.7;
    animation: pulse 1s infinite;
}

.attachment-file-icon {
    font-size: 1.2rem;
    margin-right: var(--spacing-xs);
}

@keyframes pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

.send-btn:disabled {
    background: var(--bg-hover);
    border-color: var(--border-color);
    cursor: not-allowed;
}

.input-row {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-end;
}

.attach-btn,
.send-btn,
.stop-btn {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all 0.2s;
    flex-shrink: 0;
    border: 1px solid var(--border-color);
}

.attach-btn:hover {
    background: var(--bg-hover);
}

.send-btn {
    background: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

.send-btn:hover {
    background: #2e7d32;
}

.stop-btn {
    background: var(--warning-color);
    color: white;
    border-color: var(--warning-color);
}

.stop-btn:hover {
    background: #c62828;
}

.input {
    flex: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9375rem;
    resize: none;
    min-height: 40px;
    max-height: 200px;
    line-height: 1.5;
}

.input:focus {
    outline: none;
    border-color: var(--border-focus);
    background: var(--bg-secondary);
}

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

/* 底部 */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

.footer-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.footer-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* 字体大小调节 - Footer 样式 */
.font-size-control-footer {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs) var(--spacing-sm);
}

.font-size-label-footer {
    font-size: 0.875rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.font-size-btn-large {
    width: 44px;
    height: 38px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    user-select: none;
    padding: 0;
}

.font-size-btn-large:hover {
    background: var(--bg-hover);
    border-color: var(--text-accent);
    color: var(--text-accent);
}

.font-size-btn-large:active {
    transform: scale(0.95);
}

.font-size-value-footer {
    font-size: 0.875rem;
    color: var(--text-primary);
    min-width: 44px;
    text-align: center;
    font-weight: 500;
}

/* 滚动条 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bg-hover);
}

/* 代码块 */
.code-block {
    position: relative;
    margin: var(--spacing-sm) 0;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-hover);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.code-block pre {
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    margin: 0;
    background: var(--bg-tertiary);
}

.copy-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.75rem;
    padding: 2px var(--spacing-xs);
}

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

/* 错误消息 */
.error-message {
    background: rgba(234, 67, 53, 0.1);
    border: 1px solid var(--warning-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--warning-color);
    margin: var(--spacing-sm) 0;
}

/* 响应式 */
@media (max-width: 768px) {
    .sidebar {
        position: absolute;
        left: 0;
        top: var(--banner-height);
        bottom: 0;
        z-index: 100;
        box-shadow: var(--shadow-lg);
    }
    
    .sidebar.collapsed {
        transform: translateX(-100%);
    }
    
    .chat-container {
        padding: var(--spacing-sm);
    }
    
    .message.user {
        max-width: 90%;
    }
    
    .input-container {
        padding: var(--spacing-sm);
    }
}


/* Assistant Message - Collapsed State */
.message.assistant.collapsed {
    opacity: 0.6;
    max-height: 60px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
}

.message.assistant.collapsed:hover {
    opacity: 0.8;
}

.message.assistant.collapsed .message-body {
    display: none;
}

.message.assistant.collapsed .message-header::after {
    content: ' [点击展开]';
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-left: 4px;
}

/* Thinking indicator inside assistant message */
.thinking-indicator-inline {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
}

.thinking-content-inline {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
}

.thinking-dots-inline {
    display: flex;
    gap: 3px;
}

.thinking-dots-inline span {
    width: 5px;
    height: 5px;
    background: var(--text-secondary);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

.thinking-dots-inline span:nth-child(1) { animation-delay: -0.32s; }
.thinking-dots-inline span:nth-child(2) { animation-delay: -0.16s; }

.thinking-text {
    font-size: 0.875rem;
}

/* Tools Execution Container - inside assistant message */
.tools-execution-container {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px dashed var(--border-color);
}

.tool-execution-item {
    margin: 2px 0;
    font-size: 0.75rem;
}

.tool-call-compact {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: background 0.2s;
}

.tool-call-compact:hover {
    background: var(--bg-hover);
}

.tool-icon-compact {
    font-size: 0.6rem;
    transition: transform 0.2s;
}

.tool-icon-compact.expanded {
    transform: rotate(90deg);
}

.tool-text-compact {
    font-family: var(--font-mono);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tool-details-compact {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease;
    margin-left: 16px;
}

.tool-details-compact.expanded {
    max-height: 200px;
}

.tool-details-code {
    margin: 4px 0;
    padding: 4px 8px;
    background: var(--bg-primary);
    border-radius: 3px;
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

/* File Message Styles */
.file-message {
    background: var(--assistant-msg-bg);
    border: 1px solid var(--border-color);
}

.file-message-image {
    margin: var(--spacing-sm) 0;
    max-width: 100%;
}

.file-message-image img {
    max-width: 100%;
    max-height: 400px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    object-fit: contain;
    display: block;
}

.file-message-file {
    margin: var(--spacing-sm) 0;
}

.file-download-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}

.file-download-link:hover {
    background: var(--bg-hover);
    border-color: var(--text-accent);
}