/**
 * 一堂五步法创业指导平台 - 主样式
 * 黄色主题 #FFC107系列
 */

/* ============ CSS变量定义 ============ */
:root {
    /* 主色调 - 黄色系 */
    --primary-yellow: #FFC107;          /* 暖黄色（AI气泡、按钮） */
    --primary-yellow-light: #FFD54F;    /* 浅黄（hover效果） */
    --primary-yellow-dark: #FFA000;     /* 深黄（强调元素） */
    
    /* 背景色 */
    --bg-light-yellow: #FFF8E1;         /* 浅黄背景（用户气泡） */
    --bg-white: #FFFFFF;
    --bg-gray: #F5F5F5;
    
    /* 文字色 */
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    
    /* 其他颜色 */
    --success-green: #4CAF50;
    --error-red: #F44336;
    --border-color: #E0E0E0;
    
    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    --shadow-yellow: 0 2px 8px rgba(255, 193, 7, 0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

/* ============ 主容器 ============ */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-md);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 桌面端全屏显示（问题16修复） */
@media screen and (min-width: 1024px) {
    .container {
        max-width: 100%;
        padding: var(--spacing-lg);
    }
}

/* ============ 顶部工具栏 ============ */
.toolbar {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) 0;
}

.toolbar button,
.btn-new-chat,
.btn-clear-chat,
.btn-history {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-white);
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.toolbar button:hover,
.btn-new-chat:hover,
.btn-clear-chat:hover,
.btn-history:hover {
    background-color: var(--bg-light-yellow);
    border-color: var(--primary-yellow);
    color: var(--text-primary);
}

.toolbar button span {
    margin-right: var(--spacing-xs);
}

/* ============ 对话区域 ============ */
.chat-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 50px;
    margin-bottom: var(--spacing-lg);
    background-color: var(--bg-gray);
    border-radius: var(--radius-md);
    min-height: 400px;
    max-height: calc(100vh - 400px);
}

/* 消息气泡基础样式 */
.message {
    display: flex;
    margin-bottom: var(--spacing-md);
    animation: fadeIn 0.3s ease;
}

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

/* AI消息（左侧，黄色） */
.message.ai {
    justify-content: flex-start;
}

.message.ai .message-bubble {
    background: linear-gradient(135deg, var(--primary-yellow) 0%, var(--primary-yellow-light) 100%);
    color: var(--text-primary);
    border-radius: var(--radius-lg);
    padding: 12px 16px;
    max-width: 75%;
    box-shadow: var(--shadow-yellow);
    position: relative;
}

.message.ai .message-bubble::before {
    content: '💡';
    position: absolute;
    left: -35px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    width: 30px;
    text-align: center;
}

/* 用户消息（右侧，浅黄） */
.message.user {
    justify-content: flex-end;
}

.message.user .message-bubble {
    background-color: var(--bg-light-yellow);
    color: var(--text-primary);
    border-radius: var(--radius-lg);
    padding: 12px 16px;
    max-width: 75%;
    box-shadow: var(--shadow-sm);
}

/* 消息内容 */
.message-content {
    line-height: 1.2 !important;
    word-wrap: break-word;
    white-space: pre-wrap;
}

/* 全局重置所有Markdown元素的默认间距 */
.message-content * {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
}

/* 特别处理li内部的p标签（marked.js可能会生成） */
.message-content li > p,
.message-content li p {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    line-height: 1.2 !important;
    display: inline !important;
}

/* 处理li内部的所有元素 */
.message-content li > * {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    line-height: 1.2 !important;
}

/* 处理ul/ol内部的所有元素 */
.message-content ul > *,
.message-content ol > * {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
}

/* Markdown样式 - 使用!important确保覆盖所有默认样式 */
.message-content h1,
.message-content h2,
.message-content h3,
.message-content h4,
.message-content h5,
.message-content h6 {
    margin-top: 2px !important;
    margin-bottom: 0px !important;
    font-weight: bold;
    color: var(--text-primary);
}

.message-content h1 {
    font-size: 1.6em;
    border-bottom: 3px solid var(--primary-yellow);
    padding-bottom: 1px !important;
    margin-top: 2px !important;
    margin-bottom: 1px !important;
}

.message-content h2 {
    font-size: 1.4em;
    margin-top: 2px !important;
    margin-bottom: 0px !important;
    color: var(--primary-yellow-dark);
}

.message-content h3 {
    font-size: 1.2em;
    margin-top: 2px !important;
    margin-bottom: 0px !important;
}

.message-content p {
    margin-bottom: 0px !important;
    margin-top: 0px !important;
    padding-top: 0px !important;
    padding-bottom: 0px !important;
    line-height: 1.2 !important;
}

.message-content p:last-child {
    margin-bottom: 0 !important;
}

/* 减少连续段落之间的间距 */
.message-content p + p {
    margin-top: 0px !important;
}

/* 标题后的第一个元素间距 */
.message-content h1 + *,
.message-content h2 + *,
.message-content h3 + *,
.message-content h4 + *,
.message-content h5 + *,
.message-content h6 + * {
    margin-top: 0px !important;
}

.message-content ul,
.message-content ol {
    margin: 0 !important;
    margin-top: 0px !important;
    margin-bottom: 0px !important;
    margin-left: 0px !important;
    margin-right: 0px !important;
    padding-top: 0px !important;
    padding-bottom: 0px !important;
    padding-right: 0px !important;
    padding-left: var(--spacing-xl) !important;
    line-height: 1.2 !important;
    list-style-position: outside !important;
    min-height: 0 !important;
    max-height: none !important;
    height: auto !important;
    box-sizing: border-box !important;
}

/* 强制ul/ol高度最小化 */
.message-content ul:first-child,
.message-content ol:first-child {
    margin-top: 0 !important;
    padding-top: 0 !important;
}

.message-content ul:last-child,
.message-content ol:last-child {
    margin-bottom: 0 !important;
    padding-bottom: 0 !important;
}

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

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

.message-content li {
    margin: 0 !important;
    margin-top: 0px !important;
    margin-bottom: 0px !important;
    margin-left: 0px !important;
    margin-right: 0px !important;
    padding-top: 0px !important;
    padding-bottom: 0px !important;
    padding-right: 0px !important;
    padding-left: var(--spacing-xs) !important;
    line-height: 1.2 !important;
    min-height: 0 !important;
    max-height: none !important;
    height: auto !important;
    display: list-item !important;
    box-sizing: border-box !important;
}

/* 强制li高度最小化 */
.message-content li:first-child {
    margin-top: 0 !important;
    padding-top: 0 !important;
}

.message-content li:last-child {
    margin-bottom: 0 !important;
    padding-bottom: 0 !important;
}

/* 列表项之间的间距 */
.message-content li + li {
    margin-top: 0px !important;
}

.message-content ul ul,
.message-content ol ol,
.message-content ul ol,
.message-content ol ul {
    margin-top: 0px !important;
    margin-bottom: 0px !important;
}

/* 列表项内的子列表 */
.message-content li > ul,
.message-content li > ol {
    margin-top: 0px !important;
    margin-bottom: 0px !important;
}

/* 标题和列表之间的间距 */
.message-content h1 + ol,
.message-content h1 + ul,
.message-content h2 + ol,
.message-content h2 + ul,
.message-content h3 + ol,
.message-content h3 + ul,
.message-content h4 + ol,
.message-content h4 + ul,
.message-content h5 + ol,
.message-content h5 + ul,
.message-content h6 + ol,
.message-content h6 + ul {
    margin-top: 0px !important;
}

/* 段落和列表之间的间距 */
.message-content p + ol,
.message-content p + ul,
.message-content ol + p,
.message-content ul + p {
    margin-top: 0px !important;
}

/* 分隔线前后的间距 */
.message-content hr + *,
.message-content * + hr {
    margin-top: 0px !important;
    margin-bottom: 0px !important;
}

.message-content blockquote {
    border-left: 4px solid var(--primary-yellow);
    padding: 4px 8px;
    margin: 1px 0;
    color: var(--text-secondary);
    font-style: italic;
    background: linear-gradient(to right, var(--bg-light-yellow) 0%, rgba(255, 248, 225, 0.3) 100%);
    border-radius: var(--radius-sm);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.message-content code {
    background-color: rgba(0, 0, 0, 0.08);
    padding: 3px 6px;
    border-radius: 4px;
    font-family: 'Courier New', 'Consolas', 'Monaco', monospace;
    font-size: 0.9em;
    color: #d63384;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.message-content pre {
    background-color: #f8f9fa;
    padding: 4px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 1px 0;
    border: 1px solid var(--border-color);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

.message-content pre code {
    background-color: transparent;
    padding: 0;
    color: var(--text-primary);
    border: none;
    font-size: 0.9em;
    line-height: 1.6;
}

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

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

.message-content a {
    color: var(--primary-yellow-dark);
    text-decoration: none;
    border-bottom: 1px solid var(--primary-yellow);
}

.message-content a:hover {
    color: var(--primary-yellow-dark);
    border-bottom-color: var(--primary-yellow-dark);
}

.message-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 1px 0;
    border: 2px solid var(--primary-yellow-dark);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.message-content th,
.message-content td {
    border: 1px solid var(--primary-yellow-dark);
    padding: 8px 12px;
    text-align: left;
    line-height: 1.5;
}

.message-content th {
    background: linear-gradient(135deg, var(--primary-yellow) 0%, var(--primary-yellow-light) 100%);
    font-weight: bold;
    color: var(--text-primary);
    text-align: left;
    border-bottom: 2px solid var(--primary-yellow-dark);
    border-right: 1px solid var(--primary-yellow-dark);
}

.message-content td {
    border-right: 1px solid var(--primary-yellow-dark);
    border-top: 1px solid var(--primary-yellow-dark);
}

.message-content tbody tr {
    transition: background-color 0.2s ease;
}

.message-content tbody tr:nth-child(even) {
    background-color: rgba(255, 248, 225, 0.4);
}

.message-content tbody tr:hover {
    background-color: var(--bg-light-yellow);
}

.message-content tbody tr:last-child td {
    border-bottom: none;
}

.message-content thead th:first-child {
    border-top-left-radius: var(--radius-sm);
}

.message-content thead th:last-child {
    border-top-right-radius: var(--radius-sm);
}

.message-content hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 0px 0 !important;
    margin-top: 0px !important;
    margin-bottom: 0px !important;
}

/* 消息底部（时间戳和反馈） */
.message-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-xs);
    gap: var(--spacing-sm);
}

/* 消息时间戳 */
.message-timestamp {
    font-size: 12px;
    color: var(--text-light);
    flex-shrink: 0;
}

/* 消息反馈区域 */
.message-feedback {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
    margin-top: var(--spacing-xs);
}

.feedback-btn {
    padding: 6px 12px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-white);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.feedback-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.feedback-btn.feedback-good {
    border-color: #C8E6C9;
    color: var(--success-green);
}

.feedback-btn.feedback-good:hover {
    background-color: #E8F5E9;
    border-color: var(--success-green);
    color: var(--success-green);
    box-shadow: 0 2px 6px rgba(76, 175, 80, 0.2);
}

.feedback-btn.feedback-bad {
    border-color: #FFCDD2;
    color: var(--error-red);
}

.feedback-btn.feedback-bad:hover {
    background-color: #FFEBEE;
    border-color: var(--error-red);
    color: var(--error-red);
    box-shadow: 0 2px 6px rgba(244, 67, 54, 0.2);
}

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

.feedback-submitted {
    pointer-events: none;
    opacity: 0.7;
}

.feedback-thanks {
    font-size: 13px;
    color: var(--text-secondary);
    font-style: italic;
    padding: 6px 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* 消息操作按钮容器 */
.message-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    align-items: center;
    margin-top: var(--spacing-xs);
}

/* 操作按钮（导出、分享） */
.action-btn {
    padding: 6px 12px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-white);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.action-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    background-color: var(--bg-light-yellow);
    border-color: var(--primary-yellow);
    color: var(--text-primary);
}

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

.action-btn span {
    font-size: 14px;
}

/* ============ 福利模块 ============ */
.welfare-module {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: var(--bg-gray);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.qrcode-wrapper {
    position: relative;
}

.qrcode-image {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.qrcode-image:hover {
    transform: scale(1.05);
}

.qrcode-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.qrcode-overlay.active {
    display: flex;
}

.qrcode-overlay img {
    max-width: 70%;
    max-height: 70%;
    border-radius: var(--radius-md);
}

.btn-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background-color: var(--bg-white);
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-close:hover {
    background-color: var(--error-red);
    color: var(--bg-white);
}

.welfare-text {
    flex: 1;
}

.welfare-main {
    font-size: 16px;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.welfare-benefit {
    font-size: 14px;
    color: var(--primary-yellow-dark);
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
}

.welfare-guide {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ============ 输入区域 ============ */
.input-container {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    position: sticky;
    bottom: var(--spacing-md);
}

.user-input {
    flex: 1;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-family: inherit;
    resize: none;
    outline: none;
    transition: border-color 0.3s ease;
    min-height: 44px;
    max-height: 150px;
    line-height: 1.5;
    overflow-y: auto;
}

.user-input:focus {
    border-color: var(--primary-yellow);
}

.user-input.shake {
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.btn-send {
    padding: 12px 24px;
    background-color: var(--primary-yellow);
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-send:hover {
    background-color: var(--primary-yellow-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-yellow);
}

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

.btn-send:disabled {
    background-color: var(--border-color);
    color: var(--text-light);
    cursor: not-allowed;
    transform: none;
}

.btn-send span {
    margin-right: var(--spacing-xs);
}

/* ============ 加载动画 ============ */
.loading-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--bg-light-yellow);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
}

/* 内联加载提示（在对话容器内） */
.loading-indicator-inline {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    animation: fadeIn 0.3s ease;
}

.loading-spinner {
    width: 30px;
    height: 30px;
    border: 3px solid var(--bg-light-yellow);
    border-top: 3px solid var(--primary-yellow);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text {
    color: var(--primary-yellow-dark);
    font-size: 14px;
}

/* ============ 模态框 ============ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.modal-content {
    background-color: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    max-width: 400px;
    width: 90%;
    box-shadow: var(--shadow-lg);
}

.modal-content h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.modal-content p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.6;
}

.btn-modal-close {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-yellow);
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-modal-close:hover {
    background-color: var(--primary-yellow-light);
}

/* 历史记录模态框 */
#historyModal .modal-content {
    max-width: 600px;
    max-height: 70vh;
    margin: 10% auto;
}

.history-list {
    max-height: 400px;
    overflow-y: auto;
    padding-right: 10px;
}

.history-item {
    padding: 12px 16px;
    margin-bottom: 8px;
    background: var(--bg-gray);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.history-item:hover {
    background: var(--bg-light-yellow);
    border-color: var(--primary-yellow);
    transform: translateX(2px);
}

.history-item-title {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-item-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-secondary);
}

.history-item-date {
    font-size: 11px;
}

.history-item-count {
    background: var(--bg-gray);
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 11px;
}

.history-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.history-loading {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
}

/* 反馈原因输入框 */
.feedback-reason-input {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    outline: none;
    transition: all 0.3s ease;
    min-height: 100px;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.feedback-reason-input:focus {
    border-color: var(--primary-yellow);
    box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.1);
}

.btn-modal-submit {
    flex: 1;
    padding: 12px;
    background-color: var(--primary-yellow);
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-modal-submit:hover {
    background-color: var(--primary-yellow-light);
}

.btn-modal-cancel {
    flex: 1;
    padding: 12px;
    background-color: var(--bg-gray);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-modal-cancel:hover {
    background-color: var(--border-color);
    color: var(--text-primary);
}

.btn-modal-skip {
    flex: 1;
    padding: 12px;
    background-color: var(--bg-gray);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-modal-skip:hover {
    background-color: var(--primary-yellow-light);
    border-color: var(--primary-yellow);
    color: var(--text-primary);
}

/* ============ 滚动条样式 ============ */
.chat-container::-webkit-scrollbar {
    width: 8px;
}

.chat-container::-webkit-scrollbar-track {
    background: var(--bg-gray);
}

.chat-container::-webkit-scrollbar-thumb {
    background: var(--primary-yellow);
    border-radius: 4px;
}

.chat-container::-webkit-scrollbar-thumb:hover {
    background: var(--primary-yellow-dark);
}

/* ============ 工具类 ============ */
.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

.error {
    color: var(--error-red);
    border-color: var(--error-red) !important;
}

.success {
    color: var(--success-green);
    border-color: var(--success-green) !important;
}