/* 主样式文件 - 基于小程序样式的Web版本 */

/* CSS变量定义 */
:root {
    /* 颜色 */
    --primary-color: #07C160;
    --primary-hover: #06A050;
    --user-bubble-color: #95EC69;
    --ai-bubble-color: #ffffff;
    --text-color: #333333;
    --text-color-secondary: #666666;
    --border-color: #E5E5E5;
    --background-color: #F7F7F7;
    --panel-background: #ffffff;
    --error-color: #FF3B30;
    --warning-color: #FF9500;
    --success-color: #34C759;
    --info-color: #007AFF;

    /* 尺寸 */
    --border-radius: 8px;
    --border-radius-large: 24px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-large: 0 4px 16px rgba(0, 0, 0, 0.15);

    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* 字体 */
    --font-size-sm: 12px;
    --font-size-md: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-line-height: 1.5;

    /* 动画 */
    --transition: all 0.2s ease;
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.3s ease;
}

/* 深色主题 */
[data-theme="dark"] {
    --text-color: #E5E5E5;
    --text-color-secondary: #AAAAAA;
    --border-color: #333333;
    --background-color: #181818;
    --panel-background: #232323;
    --ai-bubble-color: #2A2A2A;
    --user-bubble-color: #95EC69; /* 保持绿色 */
    --error-color: #FF453A;
    --warning-color: #FF9F0A;
    --success-color: #30D158;
    --info-color: #0A84FF;
}

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: var(--font-size-md);
    line-height: var(--font-line-height);
    color: var(--text-color);
    background-color: var(--background-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 聊天容器 */
.chat-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--background-color);
    overflow: hidden;
}

/* 聊天消息列表 */
.chat-list {
    flex: 1;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-sm);
    padding-bottom: 120px;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

/* 消息样式 */
.message {
    display: flex;
    margin-bottom: var(--spacing-lg);
    align-items: flex-start;
    position: relative;
    width: 100%;
    padding: 0 var(--spacing-sm);
    animation: fadeInUp 0.3s ease-out;
}

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

/* 头像样式 */
.avatar {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    margin: 0 var(--spacing-sm);
}

.avatar img {
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius);
    object-fit: cover;
}

.message .avatar {
    margin-left: var(--spacing-sm);
}

.message.user .avatar {
    margin-right: var(--spacing-sm);
}

/* 内容区域 */
.content {
    flex: 1;
    max-width: calc(100% - 60px);
    display: flex;
    flex-direction: column;
}

.message.user .content {
    align-items: flex-end;
}

.message.ai .content {
    align-items: flex-start;
}

/* 用户名 */
.username {
    font-size: var(--font-size-sm);
    color: var(--text-color-secondary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.2;
    word-break: break-all;
}

.username-ai {
    text-align: left;
    margin-right: auto;
}

.username-user {
    text-align: right;
    margin-left: auto;
}

/* 时间戳 */
.message-time {
    font-size: var(--font-size-sm);
    color: var(--text-color-secondary);
    margin-bottom: var(--spacing-xs);
}

/* 消息气泡 */
.bubble {
    max-width: 85%;
    min-width: 60px;
    padding: 12px 16px;
    border-radius: var(--border-radius);
    background-color: var(--ai-bubble-color);
    word-break: break-word;
    white-space: pre-line;
    font-size: var(--font-size-md);
    line-height: var(--font-line-height);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.user .bubble {
    background-color: var(--user-bubble-color);
    color: var(--text-color);
}

/* 语音消息气泡 */
.voice-bubble {
    min-width: 100px;
    max-width: 300px;
    min-height: 44px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0 16px;
    cursor: pointer;
    transition: var(--transition);
    background-color: var(--ai-bubble-color);
}

.voice-bubble:active {
    background-color: var(--border-color);
    transform: scale(0.98);
}

.user .voice-bubble {
    align-self: flex-end;
    background-color: var(--user-bubble-color);
}

.voice-bubble {
    width: var(--voice-width, 200px);
}

/* 语音图标 */
.voice-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    background: url("data:image/svg+xml,%3Csvg t='1683883892845' class='icon' viewBox='0 0 1024 1024' version='1.1' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M512 624.064c72.704 0 131.584-58.88 131.584-131.584V239.104c0-72.704-58.88-131.584-131.584-131.584S380.416 166.4 380.416 239.104V492.48c0 72.704 58.88 131.584 131.584 131.584z' fill='%23333333'/%3E%3C/svg%3E") no-repeat center/contain;
}

[data-theme="dark"] .voice-icon {
    filter: brightness(1.5);
}

.voice-icon.playing {
    animation: voiceWave 1s infinite;
}

/* 语音时长 */
.voice-duration {
    font-size: var(--font-size-sm);
    color: var(--text-color-secondary);
    flex-shrink: 0;
}

/* 输入面板 */
.input-panel {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    min-height: 56px;
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--panel-background);
    border-top: 1px solid var(--border-color);
    z-index: 10;
    backdrop-filter: blur(10px);
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
}

/* 按钮样式 */
.mode-switch,
.more-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: var(--spacing-xs);
    border-radius: 50%;
    border: none;
    background: transparent;
    cursor: pointer;
    transition: var(--transition);
}

.mode-switch:hover,
.more-btn:hover,
.mode-switch:active,
.more-btn:active {
    background: rgba(0, 0, 0, 0.05);
    transform: scale(0.95);
}

/* 图标 */
.icon {
    width: 22px;
    height: 22px;
    opacity: 0.8;
    transition: opacity var(--transition);
}

.mode-switch:hover .icon,
.more-btn:hover .icon {
    opacity: 1;
}

/* 文本输入框 */
.text-input {
    flex: 1;
    height: 36px;
    background: var(--panel-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin: 0 var(--spacing-sm);
    padding: 0 12px;
    font-size: var(--font-size-md);
    color: var(--text-color);
    transition: var(--transition);
    outline: none;
}

.text-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(7, 193, 96, 0.1);
}

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

/* 语音按钮 */
.voice-btn {
    flex: 1;
    height: 36px;
    background: var(--panel-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin: 0 var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    color: var(--text-color);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.voice-btn:hover {
    background: var(--background-color);
}

.voice-btn.recording {
    background: #E8F5E8;
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: scale(0.98);
}

.voice-btn.processing {
    background: var(--background-color);
    border-color: var(--border-color);
    color: var(--text-color-secondary);
    cursor: not-allowed;
}

.voice-btn-text {
    font-weight: 500;
    white-space: nowrap;
}

/* 更多功能面板 */
.more-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--panel-background);
    transform: translateY(100%);
    transition: transform var(--transition-slow);
    border-top-left-radius: var(--border-radius-large);
    border-top-right-radius: var(--border-radius-large);
    overflow: hidden;
    z-index: 100;
    max-height: 70vh;
    overflow-y: auto;
    box-shadow: var(--shadow-large);
}

.more-panel[style*="block"] {
    transform: translateY(0);
}

.panel-content {
    padding: var(--spacing-lg);
}

/* 上传选项 */
.upload-options {
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-md);
}

.upload-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 80px;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.upload-option:hover {
    background: var(--background-color);
    transform: scale(0.95);
}

.option-icon {
    width: 40px;
    height: 40px;
    margin-bottom: var(--spacing-sm);
    opacity: 0.8;
}

.upload-option span {
    font-size: var(--font-size-sm);
    color: var(--text-color);
}

/* 遮罩层 */
.mask {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 99;
    transition: opacity var(--transition);
}

/* 取消请求按钮 */
.cancel-request-btn {
    position: fixed;
    right: var(--spacing-lg);
    bottom: 160px;
    width: 48px;
    height: 48px;
    background: rgba(0, 0, 0, 0.6);
    border: none;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-sm);
    z-index: 100;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.cancel-request-btn[style*="flex"] {
    display: flex;
}

.cancel-request-btn:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(1.1);
}

/* 推荐问题区域 */
.recommend-text-list {
    margin-top: var(--spacing-sm);
    margin-left: 0;
    margin-right: 56px;
    color: var(--info-color);
    font-size: var(--font-size-sm);
    line-height: 1.7;
    background: rgba(0, 122, 255, 0.1);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 122, 255, 0.2);
}

.recommend-title-text {
    font-weight: 600;
    color: var(--info-color);
    margin-bottom: var(--spacing-xs);
    display: block;
}

.recommend-item-text {
    display: block;
    margin-left: var(--spacing-sm);
    margin-bottom: 2px;
    color: var(--info-color);
    font-size: var(--font-size-sm);
    cursor: pointer;
    padding: 2px 0;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.recommend-item-text:hover {
    background: rgba(0, 122, 255, 0.1);
    padding-left: var(--spacing-md);
}

/* 错误提示 */
.error-message {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--error-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    z-index: 1000;
    box-shadow: var(--shadow-large);
    max-width: 80%;
    text-align: center;
}

/* 短语音提示 */
.toast {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: var(--transition);
    z-index: 1000;
    opacity: 0;
}

.toast[style*="block"] {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

.toast-content {
    font-size: var(--font-size-sm);
    text-align: center;
    white-space: nowrap;
}

/* 加载遮罩 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    color: white;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-sm);
}

.loading-text {
    font-size: var(--font-size-md);
}

/* 模态框 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-lg);
}

.modal[style*="flex"] {
    display: flex;
}

.modal-content {
    background: var(--panel-background);
    border-radius: var(--border-radius-large);
    padding: var(--spacing-lg);
    max-width: 400px;
    width: 100%;
    box-shadow: var(--shadow-large);
}

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

.modal-content textarea {
    width: 100%;
    min-height: 100px;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-md);
    color: var(--text-color);
    background: var(--background-color);
    resize: vertical;
    margin-bottom: var(--spacing-md);
    outline: none;
}

.modal-content textarea:focus {
    border-color: var(--primary-color);
}

.modal-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.modal-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-md);
    cursor: pointer;
    transition: var(--transition);
    outline: none;
}

.modal-btn.cancel {
    background: var(--background-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.modal-btn.confirm {
    background: var(--primary-color);
    color: white;
}

.modal-btn:hover {
    transform: scale(0.95);
    opacity: 0.9;
}

/* 图片预览 */
.image-preview-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    cursor: pointer;
}

.image-preview-content {
    position: relative;
    text-align: center;
}

.image-preview-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--font-size-md);
}

.image-preview {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-large);
}

/* 链接样式 */
.chat-link {
    color: var(--info-color);
    text-decoration: underline;
    cursor: pointer;
    word-break: break-all;
}

.chat-link:hover {
    color: var(--primary-hover);
}

.chat-link:active {
    opacity: 0.7;
}

/* 选择项样式 */
.chat-choice {
    color: var(--info-color);
    text-decoration: underline;
    cursor: pointer;
    display: inline-block;
    margin: 2px 0;
    padding: 2px 4px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.chat-choice:hover {
    background: rgba(0, 122, 255, 0.1);
}

.chat-choice:active {
    opacity: 0.7;
}

.chat-selected-choice {
    color: var(--success-color);
    font-weight: 500;
}

/* 消息图片 */
.message-image {
    margin-top: var(--spacing-sm);
}

.message-image img {
    max-width: 200px;
    max-height: 200px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.message-image img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-large);
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes spin {
    to { transform: rotate(360deg); }
}

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

/* 滚动条样式 */
.chat-list::-webkit-scrollbar {
    width: 4px;
}

.chat-list::-webkit-scrollbar-track {
    background: transparent;
}

.chat-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

.chat-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-color-secondary);
}

/* 拖拽状态 */
.drag-over {
    border: 2px dashed var(--primary-color) !important;
    background: rgba(7, 193, 96, 0.1) !important;
}

/* 禁用选择 */
.no-select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* 响应式隐藏类 */
@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }
}

@media (min-width: 769px) {
    .mobile-only {
        display: none !important;
    }
}