/* ===================================
   桌游AI教练 - 全局样式表
   =================================== */

/* CSS 变量定义 */
:root {
    --bg: #FDF8F3;
    --card: #FFFFFF;
    --primary: #D4893F;
    --accent: #7B9E87;
    --text: #2C2418;
    --text-secondary: #7A6E5F;
    --tag-bg: #F5E6D0;
    --tag-text: #A86A2E;
    --border: #E8E0D8;
}

/* 全局 Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 字体系统栈 */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

/* 容器居中 */
.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 0 12px;
}

/* 基础卡片样式 */
.card {
    background-color: var(--card);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    padding: 16px;
    margin-bottom: 16px;
}

/* 链接基础样式 */
a {
    color: var(--primary);
    text-decoration: none;
}

/* 标题样式 */
h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
}

h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
}

/* 按钮基础样式 */
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

/* 输入框基础样式 */
input, textarea {
    font-family: inherit;
    font-size: 16px;
    border: 1px solid var(--tag-bg);
    border-radius: 8px;
    padding: 12px;
    background-color: var(--card);
    color: var(--text);
    width: 100%;
}

input:focus, textarea:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* 标签样式 */
.tag {
    display: inline-block;
    background-color: var(--tag-bg);
    color: var(--tag-text);
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 12px;
    margin-right: 8px;
    margin-bottom: 8px;
}

/* ===================================
   TabBar 底部导航栏
   =================================== */
.tabbar {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 480px;
    height: 50px;
    background-color: var(--card);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 100;
}

.tabbar-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    cursor: pointer;
    transition: color 0.2s;
}

.tabbar-item:hover {
    color: var(--primary);
}

.tabbar-item.active {
    color: var(--primary);
}

.tabbar-icon {
    font-size: 20px;
    margin-bottom: 2px;
}

.tabbar-text {
    font-size: 10px;
}

/* ===================================
   首页样式
   =================================== */
.home-page {
    padding-bottom: 60px;
}

/* 头部 */
.home-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background-color: var(--bg);
}

.home-header-search {
    padding: 12px 16px;
    background-color: var(--card);
    border-radius: 12px;
    margin: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.home-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
}

.home-search-btn {
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
}

.home-search-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 14px;
    padding: 4px;
}

.home-search-input:focus {
    outline: none;
}

.home-search-close {
    font-size: 16px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 8px;
}

/* 分类标签栏 */
.home-categories {
    padding: 0 16px 16px;
}

.home-categories-scroll {
    display: flex;
    overflow-x: auto;
    gap: 8px;
    padding: 4px 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.home-categories-scroll::-webkit-scrollbar {
    display: none;
}

.home-category-btn {
    flex-shrink: 0;
    padding: 8px 16px;
    border-radius: 20px;
    background-color: var(--card);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
    white-space: nowrap;
}

.home-category-btn:hover {
    background-color: var(--tag-bg);
}

.home-category-btn.active {
    background-color: var(--primary);
    color: #fff;
}

/* 游戏内容区域 */
.home-content {
    padding: 0 16px;
}

/* 游戏网格 */
.home-games-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

/* 游戏卡片 */
.home-game-card {
    background-color: var(--card);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s;
    cursor: pointer;
}

.home-game-card:hover {
    transform: scale(1.02);
}

.home-game-cover {
    position: relative;
    aspect-ratio: 16 / 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.home-game-cover-text {
    font-size: 36px;
}

.home-game-favorite {
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 18px;
    color: var(--primary);
    background-color: rgba(255, 255, 255, 0.9);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.home-game-content {
    padding: 12px;
}

.home-game-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.home-game-info {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.home-game-footer {
    display: flex;
    align-items: center;
}

.home-game-difficulty {
    display: inline-block;
    background-color: var(--tag-bg);
    color: var(--tag-text);
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 11px;
}

/* 空状态 */
.home-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

/* ===================================
   游戏详情页样式
   =================================== */
.detail-page {
    padding-bottom: 60px;
}

/* 顶部返回栏 */
.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background-color: var(--bg);
}

.detail-back {
    font-size: 16px;
    color: var(--primary);
    cursor: pointer;
}

.detail-share {
    font-size: 20px;
    cursor: pointer;
}

/* 封面图 */
.detail-cover {
    width: 100%;
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0 0 12px 12px;
}

.detail-cover-text {
    font-size: 64px;
}

/* 内容区域 */
.detail-content {
    padding: 16px;
}

/* 游戏信息卡片 */
.detail-info {
    margin-bottom: 16px;
}

.detail-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.detail-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.detail-stats {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
}

.detail-stat {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--text-secondary);
}

.detail-tags {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.detail-tag {
    display: inline-block;
    background-color: var(--tag-bg);
    color: var(--tag-text);
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 12px;
    margin-right: 8px;
    margin-bottom: 8px;
}

.detail-desc {
    font-size: 14px;
    color: var(--text);
    line-height: 1.6;
    margin-bottom: 8px;
}

.detail-expand {
    font-size: 13px;
    color: var(--primary);
    cursor: pointer;
}

/* AI 入口按钮 */
.detail-ai-buttons {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.detail-ai-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 12px 8px;
    background-color: var(--card);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    font-size: 12px;
    color: var(--text);
    transition: border 0.2s;
    border: 2px solid transparent;
}

.detail-ai-btn:hover {
    border-color: var(--primary);
}

.detail-ai-btn span:first-child {
    font-size: 20px;
}

/* 评分区 */
.detail-ratings {
    margin-bottom: 16px;
}

.detail-rating-item {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 13px;
}

.detail-rating-item span:first-child {
    width: 40px;
    color: var(--text-secondary);
}

.detail-rating-item span:last-child {
    width: 30px;
    text-align: right;
    color: var(--primary);
    font-weight: 600;
}

.detail-rating-bar {
    flex: 1;
    height: 8px;
    background-color: #E8E0D8;
    border-radius: 4px;
    overflow: hidden;
}

.detail-rating-fill {
    height: 100%;
    background-color: var(--primary);
    border-radius: 4px;
}

.detail-avg-rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    font-size: 14px;
}

.detail-avg-num {
    font-size: 28px;
    font-weight: 600;
    color: var(--primary);
}

/* 评论区 */
.detail-comments h3 {
    margin-bottom: 12px;
}

.detail-comment {
    margin-bottom: 12px;
}

.detail-comment-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.detail-comment-avatar {
    width: 36px;
    height: 36px;
    background-color: var(--tag-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.detail-comment-meta {
    display: flex;
    flex-direction: column;
}

.detail-comment-name {
    font-size: 14px;
    font-weight: 500;
}

.detail-comment-stars {
    font-size: 12px;
    color: var(--primary);
}

.detail-comment-tags {
    margin-bottom: 8px;
}

.detail-comment-content {
    font-size: 14px;
    color: var(--text);
    line-height: 1.5;
}

.detail-no-comment {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 14px;
}

.detail-write-btn {
    width: 100%;
    padding: 12px;
    background-color: var(--card);
    border: 2px dashed var(--border);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 14px;
    text-align: center;
    cursor: pointer;
}

.detail-write-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* 收藏按钮 */
.detail-favorite-btn {
    position: fixed;
    right: 16px;
    bottom: 70px;
    width: 48px;
    height: 48px;
    background-color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 4px 12px rgba(212, 137, 63, 0.4);
    cursor: pointer;
}

/* ===================================
   AI 对话页样式
   =================================== */
.chat-page {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 480px;
    margin: 0 auto;
    background-color: var(--bg);
}

/* 顶部栏 */
.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background-color: var(--card);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    padding-top: max(12px, env(safe-area-inset-top));
}

.chat-back {
    font-size: 16px;
    color: var(--primary);
    cursor: pointer;
    min-width: 60px;
}

.chat-mode-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    text-align: center;
}

.chat-style-btn {
    font-size: 22px;
    cursor: pointer;
    min-width: 40px;
    text-align: right;
    transition: transform 0.2s;
}

.chat-style-btn:hover {
    transform: scale(1.1);
}

/* 聊天主体区域 */
.chat-body {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* 消息列表 */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    padding-bottom: 8px;
    scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar {
    width: 4px;
}

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

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

/* 消息气泡 */
.chat-message {
    display: flex;
    margin-bottom: 16px;
    animation: messageIn 0.3s ease;
}

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

.chat-message-user {
    justify-content: flex-end;
}

.chat-message-ai {
    justify-content: flex-start;
}

/* AI 头像 */
.chat-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    margin-right: 8px;
    flex-shrink: 0;
}

/* 气泡 */
.chat-bubble {
    max-width: 80%;
    padding: 12px 16px;
    font-size: 15px;
    line-height: 1.5;
    word-break: break-word;
}

.chat-bubble-user {
    background-color: var(--primary);
    color: #fff;
    border-radius: 16px 16px 4px 16px;
}

.chat-bubble-ai {
    background-color: var(--card);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 16px 16px 16px 4px;
}

/* 加载动画 */
.chat-typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 14px 18px;
}

.chat-typing-indicator span {
    width: 8px;
    height: 8px;
    background-color: var(--text-secondary);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out both;
}

.chat-typing-indicator span:nth-child(1) {
    animation-delay: -0.32s;
}

.chat-typing-indicator span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typingBounce {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* 快捷问题区域 */
.chat-input-area {
    flex-shrink: 0;
    background-color: var(--card);
    border-top: 1px solid var(--border);
    padding-bottom: env(safe-area-inset-bottom);
}

.chat-quick-questions {
    padding: 10px 12px 6px;
}

.chat-quick-scroll {
    display: flex;
    overflow-x: auto;
    gap: 8px;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 4px 0;
}

.chat-quick-scroll::-webkit-scrollbar {
    display: none;
}

.chat-quick-btn {
    flex-shrink: 0;
    padding: 6px 14px;
    background-color: var(--tag-bg);
    color: var(--tag-text);
    border-radius: 16px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.chat-quick-btn:hover {
    background-color: var(--primary);
    color: #fff;
}

.chat-quick-btn:active {
    transform: scale(0.95);
}

/* 输入框区域 */
.chat-input-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px 12px;
}

.chat-input {
    flex: 1;
    padding: 12px 16px;
    background-color: #F5F0EB;
    border: none;
    border-radius: 20px;
    font-size: 15px;
    color: var(--text);
}

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

.chat-input:focus {
    outline: none;
    background-color: #F0EBE5;
}

.chat-send-btn {
    width: 44px;
    height: 44px;
    background-color: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.chat-send-btn:hover {
    background-color: #C47A35;
    transform: scale(1.05);
}

.chat-send-btn:active {
    transform: scale(0.95);
}