/* 使用系统宋体，无需网络加载 */

/* 纸质书风格 - 清新淡雅 */

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

html, body {
    height: 100%;
    margin: 0;
}

:root {
    /* 颜色 */
    --color-bg: #FAF9F6;           /* 米白纸张色 */
    --color-bg-dark: #F5F3EF;      /* 稍深的纸张色 */
    --color-text: #2C2C2C;         /* 主文字色 */
    --color-text-light: #666;      /* 次要文字 */
    --color-accent: #8B4513;       /* 棕红色点缀 */
    --color-accent-light: #A0522D; /* 浅棕红 */
    --color-border: #E8E4DE;       /* 边框色 */

    /* 字体 - 使用系统宋体 */
    --font-serif: "Songti SC", "STSong", "SimSun", "NSimSun", Georgia, serif;
    --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;

    /* 统一间距 */
    --spacing-page: 1.5em;         /* 页面内边距 */
    --spacing-header: 1em;         /* 顶部栏内边距 */
    --spacing-section: 1.5em;      /* 区块间距 */

    /* 统一字号 */
    --font-size-title: 1.11em;     /* 页面标题 */
    --font-size-body: 1em;         /* 正文 */
    --font-size-small: 0.78em;     /* 小字/按钮 */
}

/* ============ 通用组件 ============ */

/* 内页通用样式（非首页的所有页面） */
.inner-page {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
}

/* 通用顶部栏 */
.page-header {
    display: flex;
    align-items: center;
    padding: var(--spacing-header) var(--spacing-page);
    border-bottom: 1px solid var(--color-border);
}

.page-header .btn-back {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 0;
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    cursor: pointer;
    font-family: var(--font-sans);
    padding: 0.4em 0.8em;
    min-width: 2em;
    text-align: center;
}

.page-header .btn-back:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.page-header .header-title {
    flex: 1;
    text-align: center;
    font-size: var(--font-size-title);
    font-weight: 400;
    letter-spacing: 0.2em;
    margin: 0;
}

.page-header .btn-action {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 0;
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    cursor: pointer;
    font-family: var(--font-sans);
    padding: 0.4em 0.8em;
    min-width: 2em;
    text-align: center;
}

.page-header .btn-action:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* 占位元素，用于标题居中 */
.page-header .header-spacer {
    width: 2em;
}

/* 通用内容区域 */
.page-content {
    flex: 1;
    padding: var(--spacing-page);
    overflow-y: auto;
    min-height: 0;
}

body {
    font-family: var(--font-serif);
    font-size: 1em;  /* 继承 container 的字体大小 */
    line-height: 1.8;
    color: var(--color-text);
    background-color: #F5F2EB;
    height: 100%;
    /* 纸张纹理 - 用多层渐变模拟 */
    background-image:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(0,0,0,0.01) 2px,
            rgba(0,0,0,0.01) 4px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 2px,
            rgba(0,0,0,0.01) 2px,
            rgba(0,0,0,0.01) 4px
        ),
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 8px,
            rgba(139,69,19,0.02) 8px,
            rgba(139,69,19,0.02) 16px
        ),
        linear-gradient(
            to bottom,
            #F8F5EE 0%,
            #F5F2EB 50%,
            #F0EDE5 100%
        );
}

.container {
    /* 固定宽高比 4:3（横版） */
    --container-height: 100vh;
    --container-width: min(calc(100vh * 4 / 3), 100vw);
    height: var(--container-height);
    width: var(--container-width);
    margin: 0 auto;
    background-color: var(--color-bg);
    position: relative;
    overflow: hidden;  /* 禁止滚动 */
    /* 字体基于容器高度缩放 */
    font-size: calc(var(--container-height) / 45);
}

/* 首页 */
.home-page {
    padding: 3em 2em;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

/* 用户菜单 */
.user-menu {
    position: absolute;
    top: 24px;
    right: 24px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-border);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

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

.user-avatar:hover svg {
    stroke: var(--color-bg);
}

.user-avatar svg {
    width: 20px;
    height: 20px;
    stroke: var(--color-text-light);
    fill: none;
    stroke-width: 1.5;
}

.dropdown {
    position: absolute;
    top: 44px;
    left: 0;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    min-width: 140px;
    display: none;
    z-index: 100;
}

.dropdown.show {
    display: block;
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: 12px 20px;
    font-size: 0.78em;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s;
}

.dropdown-item:hover {
    background: var(--color-bg-dark);
    color: var(--color-accent);
}

.dropdown-divider {
    height: 1px;
    background: var(--color-border);
    margin: 4px 0;
}

.home-header {
    text-align: center;
    margin-top: 3em;
    margin-bottom: 2em;
}

.home-header h1 {
    font-size: 3em;
    font-weight: 400;
    letter-spacing: 0.3em;
    color: var(--color-text);
    margin-bottom: 0.5em;
}

.home-header .subtitle {
    font-size: 0.89em;
    color: var(--color-text-light);
    font-family: var(--font-sans);
    letter-spacing: 2px;
}

.welcome-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.welcome-text {
    font-size: 1.11em;
    color: var(--color-text);
    margin-bottom: 1.5em;
    line-height: 1.8;
}

.welcome-text p {
    margin-bottom: 8px;
}

/* 按钮 */
.btn {
    display: inline-block;
    padding: 0.8em 2em;
    font-size: 0.89em;
    font-family: var(--font-sans);
    letter-spacing: 0.1em;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

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

.btn-accent {
    background: var(--color-accent);
    color: var(--color-bg);
}

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

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    margin-top: 0.8em;
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.action-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 分隔线装饰 */
.divider {
    width: 2em;
    height: 1px;
    background: var(--color-accent);
    margin: 1.5em auto;
}

/* ============ 对话页面 ============ */
.chat-page {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
}

.chat-header {
    padding: 1em 1.5em;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-border);
}

.chat-header .btn-icon {
    background: none;
    border: none;
    font-size: 0.78em;
    color: var(--color-text-light);
    cursor: pointer;
    font-family: var(--font-sans);
    padding: 8px 0;
}

.chat-header .btn-icon:hover {
    color: var(--color-accent);
}

.chat-header h1 {
    font-size: 1em;
    font-weight: 400;
    letter-spacing: 4px;
}

/* 沉浸式对话区域 */
.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 40px 32px;
    position: relative;
}

/* AI 区域 */
.ai-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-question {
    max-width: 100%;
}

.ai-question .content {
    font-size: 1.22em;
    line-height: 1.9;
    color: var(--color-text);
    text-align: center;
}

/* 语音输入区域 */
.voice-section {
    padding: 40px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.voice-visualizer {
    width: 120px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.voice-bars {
    display: flex;
    align-items: center;
    gap: 6px;
    height: 100%;
}

.voice-bars .bar {
    width: 4px;
    height: 20px;
    background: var(--color-accent);
    border-radius: 2px;
    transition: height 0.1s ease;
}

.voice-bars .bar:nth-child(1) { height: 20px; }
.voice-bars .bar:nth-child(2) { height: 30px; }
.voice-bars .bar:nth-child(3) { height: 40px; }
.voice-bars .bar:nth-child(4) { height: 30px; }
.voice-bars .bar:nth-child(5) { height: 20px; }

.voice-hint {
    font-size: 0.78em;
    color: var(--color-text-light);
    font-family: var(--font-sans);
}

/* 底部文字输入切换 */
.text-input-fallback {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    text-align: center;
}

.btn-text-mode {
    background: none;
    border: none;
    font-size: 0.78em;
    color: var(--color-text-light);
    font-family: var(--font-sans);
    cursor: pointer;
    padding: 8px 16px;
}

.btn-text-mode:hover {
    color: var(--color-accent);
}

/* 文字输入弹窗 */
.text-modal {
    max-width: 500px;
}

.text-modal textarea {
    width: 100%;
    min-height: 120px;
    padding: 16px;
    font-size: 1em;
    font-family: var(--font-serif);
    line-height: 1.8;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    resize: none;
    outline: none;
}

.text-modal textarea:focus {
    border-color: var(--color-accent);
}

.modal-footer {
    margin-top: 16px;
    text-align: right;
}

.modal-footer .btn {
    padding: 12px 32px;
}

/* 加载状态 */
.loading-state {
    text-align: center;
    padding: 60px;
    color: var(--color-text-light);
}

.loading-dots {
    display: inline-block;
}

/* 共情后的等待提示 */
.thinking-indicator {
    display: block;
    margin-top: 24px;
    font-size: 0.78em;
    color: var(--color-text-light);
    font-family: var(--font-sans);
    text-align: center;
}

/* 追问内容 */
.followup-content {
    display: block;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

/* ============ 回忆录页面 ============ */
/* memoir-page 特有样式（如果需要） */
.memoir-page {
    /* 继承 inner-page 的样式 */
}

.memoir-header {
    display: flex;
    align-items: center;
    padding: 1em 0;
    margin-bottom: 1em;
    border-bottom: 1px solid var(--color-border);
}

.memoir-header .btn-back {
    background: none;
    border: none;
    font-size: 0.78em;
    color: var(--color-text-light);
    cursor: pointer;
    font-family: var(--font-sans);
}

.memoir-header .btn-back:hover {
    color: var(--color-accent);
}

.memoir-header h1 {
    flex: 1;
    text-align: center;
    font-size: 1.11em;
    font-weight: 400;
    letter-spacing: 0.2em;
    margin-right: 2em;
}

.memoir-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1em;
    overflow-y: auto;
    min-height: 0;
}

.memoir-item {
    padding: 24px 0;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: all 0.2s;
}

.memoir-item:hover {
    padding-left: 8px;
}

.memoir-item:hover h3 {
    color: var(--color-accent);
}

.memoir-item h3 {
    font-size: 1em;
    font-weight: 400;
    margin-bottom: 8px;
    transition: color 0.2s;
}

.memoir-item .preview {
    font-size: 0.83em;
    color: var(--color-text-light);
    line-height: 1.8;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--color-text-light);
}

.empty-state p {
    font-size: 0.89em;
    margin-bottom: 8px;
    font-family: var(--font-sans);
}

.empty-state .btn {
    margin-top: 32px;
}

/* 弹窗 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.3);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    z-index: 1000;
}

.modal-content {
    background: var(--color-bg);
    max-width: 640px;
    width: 100%;
    max-height: 85vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 24px rgba(0,0,0,0.1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 32px;
    border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
    font-size: 1.11em;
    font-weight: 400;
}

.btn-close {
    background: none;
    border: none;
    font-size: 1.33em;
    cursor: pointer;
    color: var(--color-text-light);
    padding: 0;
    line-height: 1;
}

.btn-close:hover {
    color: var(--color-accent);
}

.modal-body {
    padding: 32px;
    overflow-y: auto;
}

.memoir-content {
    font-size: 0.94em;
    line-height: 2;
    white-space: pre-wrap;
}

/* 响应式 */
@media (max-width: 480px) {
    .home-page {
        padding: 40px 24px;
    }

    .home-header h1 {
        font-size: 1.56em;
        letter-spacing: 4px;
    }

    .welcome-text {
        font-size: 1em;
    }

    .chat-main {
        padding: 40px 24px;
    }

    .ai-question .content {
        font-size: 1.11em;
    }
}

/* 移动端对话页面 - 垂直方向紧凑布局 */
@media (max-width: 768px) and (max-height: 900px) {
    /* 使用 dvh 解决移动端浏览器地址栏问题，fallback 到 100vh */
    .container {
        --container-height: 100dvh;
        height: 100dvh;
    }

    /* 减少对话主区域的垂直 padding */
    .chat-main-stable {
        padding: 1em 1.2em;
    }

    /* AI 内容区域更紧凑 */
    .ai-content-area {
        padding: 0.6em;
    }

    .ai-text {
        font-size: 1.1em;
        line-height: 1.7;
    }

    /* 用户语音区域更紧凑 */
    .user-voice-area {
        padding: 1em 0;
        gap: 0.8em;
    }

    .voice-visualizer {
        height: 48px;
    }

    .voice-status {
        font-size: 0.95em;
    }
}

/* Debug 面板 */
.debug-panel {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: #FFF3CD;
    border-bottom: 1px solid #E8E4DE;
    font-family: var(--font-sans);
    font-size: 0.78em;
}

.debug-panel label {
    color: #856404;
    font-weight: 500;
}

.debug-panel select {
    flex: 1;
    max-width: 200px;
    padding: 6px 10px;
    border: 1px solid #FFEEBA;
    border-radius: 4px;
    background: white;
    font-size: 0.78em;
    color: var(--color-text);
}

.debug-panel select:focus {
    outline: none;
    border-color: #856404;
}

/* 菜单按钮 */
.menu-container {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 100;
}

.menu-btn {
    width: 44px;
    height: 44px;
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    transition: all 0.2s;
}

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

.menu-btn svg {
    width: 24px;
    height: 24px;
}

/* 记录师选择弹窗 */
.recorder-modal {
    max-width: 520px;
}

.recorder-modal .modal-header h2 {
    font-size: 1.11em;
    text-align: center;
    flex: 1;
}

.recorder-options {
    display: flex;
    gap: 20px;
    justify-content: center;
    padding: 20px 0;
}

.recorder-card {
    flex: 1;
    max-width: 200px;
    padding: 20px 16px;
    border: 2px solid var(--color-border);
    border-radius: 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--color-bg);
}

.recorder-card:hover {
    border-color: var(--color-accent-light);
    transform: translateY(-2px);
}

.recorder-card.selected {
    border-color: var(--color-accent);
    background: rgba(139, 69, 19, 0.05);
}

.recorder-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 12px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--color-bg-dark);
}

.recorder-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.recorder-name {
    font-size: 1em;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}

.recorder-desc {
    font-size: 0.78em;
    color: var(--color-text-light);
}

.recorder-actions {
    margin-top: 24px;
    text-align: center;
}

.recorder-actions .btn {
    min-width: 120px;
}

/* 稳定版对话界面 */
.chat-main-stable {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1.5em 1.5em;
    min-height: 0;
}

.chat-page-header {
    position: relative;
    padding-top: 0.7em;
    padding-bottom: 0.7em;
}

.chat-page-header .btn-back {
    padding: 0.32em 0.72em;
}

.chat-page-header .header-title {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: max-content;
    flex: none;
    padding: 0;
    pointer-events: none;
}

.chat-page-header .chat-header-spacer {
    visibility: hidden;
    display: inline-block;
    font-size: var(--font-size-small);
    font-family: var(--font-sans);
    padding: 0.32em 0.72em;
    border: 1px solid transparent;
    min-width: 2em;
    text-align: center;
}

/* AI 内容区域 - 上方 */
.ai-content-area {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1em;
    min-height: 0;
    overflow: hidden;
}

.ai-text {
    font-size: 1.22em;
    line-height: 1.9;
    color: var(--color-text);
    text-align: center;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    gap: 0.82em;
}

.ai-text-paragraph {
    margin: 0;
    white-space: pre-line;
}

/* 用户语音区域 - 下方固定 */
.user-voice-area {
    padding: 1.5em 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1em;
}

.voice-status {
    font-size: 1.02em;
    color: var(--color-text-light);
    font-family: var(--font-serif);
    min-height: 1.6em;
    font-weight: 400;
    letter-spacing: 0.04em;
}

/* 音量条 - 默认静止为小点 */
.voice-visualizer .voice-bars .bar {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    opacity: 0.4;
    transition: height 90ms linear, opacity 90ms linear;
}

/* 激活时提高可见度，具体高度由 JS 按实时音量写入 */
.voice-visualizer.active .voice-bars .bar {
    opacity: 1;
}

/* 回忆录列表项 - 增强版 */
.memoir-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.memoir-item-header h3 {
    margin: 0;
    flex: 1;
}

.memoir-status {
    font-size: 0.67em;
    color: var(--color-accent);
    background: rgba(139, 69, 19, 0.1);
    padding: 4px 10px;
    border-radius: 12px;
    white-space: nowrap;
}

.memoir-time {
    font-size: 0.72em;
    color: var(--color-text-light);
    margin-top: 8px;
    font-family: var(--font-sans);
}

.memoir-item.generating {
    opacity: 0.7;
    cursor: default;
}

.memoir-item.generating:hover {
    transform: none;
    box-shadow: none;
}

/* 回忆录详情底部操作栏 */
.memoir-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 32px;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-dark);
}

.perspective-select {
    padding: 8px 12px;
    font-size: 0.78em;
    font-family: var(--font-sans);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-bg);
    color: var(--color-text);
    cursor: pointer;
}

.perspective-select:focus {
    outline: none;
    border-color: var(--color-accent);
}

.memoir-actions .btn {
    padding: 8px 20px;
    font-size: 0.78em;
}

.memoir-actions .btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Toast 提示组件 */
.toast {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    padding: 14px 28px;
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 0.95em;
    color: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
}

.toast.show {
    opacity: 1;
    visibility: visible;
    animation: toastSlideIn 0.3s ease;
}

.toast.hide {
    animation: toastSlideOut 0.3s ease forwards;
}

.toast.toast-success {
    background: #27ae60;
}

.toast.toast-error {
    background: #c0392b;
}

.toast.toast-info {
    background: var(--color-accent);
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes toastSlideOut {
    from {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    to {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
}

/* Toast 动画 */
@keyframes fadeIn {
    from { opacity: 0; transform: translate(-50%, -50%) scale(0.9); }
    to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

@keyframes fadeOut {
    from { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    to { opacity: 0; transform: translate(-50%, -50%) scale(0.9); }
}

/* 时代记忆弹窗 */
.era-memories-modal {
    max-width: 600px;
    max-height: 80vh;
}

.era-memories-modal .modal-header {
    gap: 12px;
}

.era-memories-modal .modal-header h2 {
    flex: 1;
}

/* 状态徽章 */
.era-status-badge {
    font-size: 0.72em;
    padding: 4px 10px;
    border-radius: 12px;
    font-family: var(--font-sans);
    white-space: nowrap;
}

.era-status-badge.status-none {
    background: #f0f0f0;
    color: #999;
}

.era-status-badge.status-pending {
    background: #fff3cd;
    color: #856404;
}

.era-status-badge.status-generating {
    background: #cce5ff;
    color: #004085;
    animation: pulse 1.5s infinite;
}

.era-status-badge.status-completed {
    background: #d4edda;
    color: #155724;
}

.era-status-badge.status-failed {
    background: #f8d7da;
    color: #721c24;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* 话题选择弹窗 */
.topic-modal {
    max-width: 500px;
}

.topic-modal .modal-header h2 {
    flex: 1;
    text-align: center;
}

.topic-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 8px 0;
}

.topic-option {
    padding: 14px 20px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    background: #fff;
    position: relative;
}

.topic-option-has-tag {
    /* 不改变按钮本身的 padding，标签作为角标溢出显示 */
}

/* 只在支持精确指针的设备（鼠标）上显示 hover，避免移动端触摸残留高亮 */
@media (hover: hover) and (pointer: fine) {
    .topic-option:hover {
        border-color: var(--color-accent);
        background: rgba(139, 69, 19, 0.03);
    }
}

.topic-option:active {
    border-color: var(--color-accent);
    background: rgba(139, 69, 19, 0.05);
}

.topic-option .topic-title {
    font-size: 1em;
    color: var(--color-text);
}

.topic-option-tag {
    position: absolute;
    top: -1px;
    right: -1px;
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 0 8px 0 6px;
    background: #8B4513;
    color: #F8F3EA;
    font-size: 0.68em;
    font-family: var(--font-sans);
    line-height: 1.4;
    white-space: nowrap;
}

.topic-option-free {
    border-style: solid;
}

/* 主区域 */
.topic-section-primary {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* 换一批 - 右对齐文字链接 */
.topic-refresh-row {
    display: flex;
    justify-content: flex-end;
    padding-top: 4px;
}
.topic-refresh-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    color: var(--color-text-light);
    font-size: 0.85em;
    cursor: pointer;
    padding: 4px 0;
}
.topic-refresh-link svg {
    width: 14px;
    height: 14px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.8;
    flex-shrink: 0;
    overflow: visible;
    position: relative;
    top: -1px;
}
.topic-refresh-link:hover:not(:disabled) { color: var(--color-accent); }
.topic-refresh-link:disabled { opacity: 0.4; cursor: default; }
.topic-refresh-link.is-refreshing svg { animation: topicRefreshSpin 1s linear infinite; }

/* "或者"分隔线 */
.topic-divider-or {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 8px 0;
}
.topic-divider-or::before,
.topic-divider-or::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}
.topic-divider-or span {
    font-size: 0.85em;
    color: var(--color-text-light);
    white-space: nowrap;
}

/* 自述模式 - 按钮样式 */
.topic-section-secondary { text-align: center; padding: 4px 0 0; }
.topic-narration-link {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    padding: 12px 24px;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    background: #fff;
    transition: border-color 0.2s, background 0.2s;
}
.topic-narration-link:active {
    border-color: var(--color-accent);
    background: rgba(139, 69, 19, 0.05);
}
@media (hover: hover) and (pointer: fine) {
    .topic-narration-link:hover {
        border-color: var(--color-accent);
        background: rgba(139, 69, 19, 0.03);
    }
}
.topic-narration-title { font-size: 0.95em; color: var(--color-accent); font-weight: 500; }
.topic-narration-desc { font-size: 0.78em; color: var(--color-text-light); }

@keyframes topicRefreshSpin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.topic-loading {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-light);
}

.topic-loading p {
    margin-top: 16px;
    font-size: 0.9em;
}

.loading-dots {
    display: flex;
    justify-content: center;
    gap: 6px;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    opacity: 0.3;
    animation: dotPulse 1.2s ease-in-out infinite;
}

.loading-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes dotPulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.topic-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-light);
    font-size: 0.9em;
}

.era-memories-info {
    padding: 12px 16px;
    background: var(--color-bg-dark);
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 0.89em;
    font-family: var(--font-sans);
}

.era-memories-info p {
    margin: 4px 0;
    color: var(--color-text-light);
}

.era-memories-info span {
    color: var(--color-text);
}

.era-memories-content {
    max-height: 400px;
    overflow-y: auto;
    font-size: 0.89em;
    line-height: 1.8;
    white-space: pre-wrap;
    padding: 12px 0;
}

.era-memories-content .loading-text {
    text-align: center;
    color: var(--color-text-light);
    padding: 40px;
}

.era-memories-content .empty-text {
    text-align: center;
    color: var(--color-text-light);
    padding: 40px;
}

.era-memories-actions {
    margin-top: 20px;
    text-align: center;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

.era-memories-actions .btn {
    min-width: 120px;
}

/* ============ Admin 页面 ============ */

.admin-page {
    min-height: 100vh;
    background: var(--color-bg);
    font-family: var(--font-sans);
    font-size: 15px;
}

/* 认证区域 */
.admin-auth {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2em;
}

.admin-auth-card {
    text-align: center;
    background: white;
    padding: 3em 2.5em;
    border-radius: 16px;
    box-shadow: 0 2px 24px rgba(0,0,0,0.06);
    max-width: 420px;
    width: 100%;
}

.admin-auth-card h1 {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: 1.5em;
    letter-spacing: 0.15em;
    margin-bottom: 0.5em;
    color: var(--color-text);
}

.admin-auth-subtitle {
    font-size: 0.88em;
    color: var(--color-text-light);
    margin-bottom: 2em;
}

.admin-auth-form {
    display: flex;
    gap: 8px;
    justify-content: center;
}

/* 输入框 — 圆角风格 */
.admin-input {
    padding: 12px 16px;
    font-size: 0.95em;
    font-family: var(--font-sans);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-bg-dark);
    color: var(--color-text);
    outline: none;
    transition: border-color 0.2s;
    width: 260px;
}

.admin-input:focus {
    border-color: var(--color-accent);
}

.admin-input::placeholder {
    color: #aaa;
}

/* ---- 侧边栏 + 内容布局 ---- */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 220px;
    background: white;
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.admin-sidebar-header {
    padding: 24px 20px 20px;
    border-bottom: 1px solid var(--color-border);
}

.admin-sidebar-header h2 {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: 1.2em;
    letter-spacing: 0.15em;
    color: var(--color-text);
    margin-bottom: 2px;
}

.admin-sidebar-header span {
    font-size: 0.78em;
    color: var(--color-text-light);
}

.admin-sidebar-nav {
    flex: 1;
    padding: 12px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 14px;
    font-family: var(--font-sans);
    font-size: 0.9em;
    color: var(--color-text-light);
    background: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s;
    text-align: left;
}

.admin-nav-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.admin-nav-item:hover {
    background: var(--color-bg-dark);
    color: var(--color-text);
}

.admin-nav-item.active {
    background: rgba(139, 69, 19, 0.08);
    color: var(--color-accent);
    font-weight: 500;
}

.admin-sidebar-footer {
    padding: 10px;
    border-top: 1px solid var(--color-border);
}

.admin-logout-btn {
    color: var(--color-text-light) !important;
}

.admin-logout-btn:hover {
    background: #fdf2f2 !important;
    color: #c0392b !important;
}

/* ---- 主内容区域 ---- */
.admin-main-area {
    flex: 1;
    min-width: 0;
    background: var(--color-bg);
    display: flex;
    flex-direction: column;
}

/* Tab 面板 */
.admin-tab-panel {
    display: none;
    flex-direction: column;
    flex: 1;
}

.admin-tab-panel.active {
    display: flex;
}

.admin-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 32px;
    border-bottom: 1px solid var(--color-border);
    background: white;
}

.admin-panel-header h1 {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: 1.15em;
    letter-spacing: 0.1em;
}

.admin-panel-content {
    padding: 24px 32px;
    overflow-x: auto;
    flex: 1;
}

.admin-user-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-bottom: 16px;
}

.admin-user-search {
    min-width: 260px;
    flex: 1 1 280px;
}

.admin-toolbar-summary {
    margin-left: auto;
    font-size: 0.86em;
    color: var(--color-text-light);
}

/* 卡片容器 */
.admin-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 1px 12px rgba(0,0,0,0.05);
    overflow: hidden;
}

/* 表格 */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88em;
}

.admin-table th,
.admin-table td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid #f0ede8;
    white-space: nowrap;
}

.admin-table th {
    font-weight: 500;
    color: var(--color-text-light);
    font-size: 0.82em;
    letter-spacing: 0.05em;
    background: var(--color-bg-dark);
}

.admin-table tbody tr {
    transition: background 0.15s;
}

.admin-table tbody tr:hover {
    background: #faf8f5;
}

.admin-table tbody tr:last-child td {
    border-bottom: none;
}

.admin-table-empty {
    text-align: center;
    color: var(--color-text-light);
    padding: 48px 20px !important;
}

.text-muted {
    color: #ccc;
}

/* 操作列 */
.admin-actions-cell {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

/* 状态徽章 */
.admin-badge {
    display: inline-block;
    padding: 3px 12px;
    border-radius: 12px;
    font-size: 0.82em;
    font-weight: 500;
}

.badge-yes {
    background: #d4edda;
    color: #155724;
}

.badge-no {
    background: #f0f0f0;
    color: #999;
}

.badge-warn {
    background: #fff3cd;
    color: #8a6d1f;
}

/* 表格行按钮 */
.admin-btn {
    font-family: var(--font-sans);
    cursor: pointer;
    border: 1px solid var(--color-border);
    background: white;
    color: var(--color-text);
    border-radius: 6px;
    transition: all 0.2s;
}

.admin-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.admin-btn-sm {
    padding: 5px 14px;
    font-size: 0.82em;
}

.admin-btn-danger {
    color: #c0392b;
    border-color: #e8d4d4;
}

.admin-btn-danger:hover {
    color: #a93226;
    border-color: #c0392b;
    background: #fdf2f2;
}

.admin-btn-warn {
    color: #e67e22;
    border-color: #f0dcc0;
}

.admin-btn-warn:hover {
    color: #d35400;
    border-color: #e67e22;
    background: #fef9f2;
}

.admin-row-disabled {
    opacity: 0.55;
}

/* 弹窗表单 */
.admin-modal-form {
    max-width: 520px;
}

.admin-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.admin-form-full {
    grid-column: 1 / -1;
}

.admin-form-divider {
    grid-column: 1 / -1;
    height: 1px;
    background: var(--color-border);
    margin: 4px 0;
}

/* 表单组 */
.admin-form-group {
    margin-bottom: 0;
}

.admin-form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.85em;
    color: var(--color-text-light);
    font-family: var(--font-sans);
}

.admin-form-group label .required {
    color: #c0392b;
}

.admin-form-group .admin-input {
    width: 100%;
}

/* 弹窗底部按钮 — 统一尺寸 */
.admin-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

.admin-modal-btn {
    padding: 10px 28px;
    font-size: 0.9em;
    font-family: var(--font-sans);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid var(--color-border);
    letter-spacing: 0.05em;
}

.admin-modal-btn-cancel {
    background: transparent;
    color: var(--color-text-light);
}

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

.admin-modal-btn-confirm {
    background: var(--color-text);
    color: var(--color-bg);
    border-color: var(--color-text);
}

.admin-modal-btn-confirm:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

/* Toggle 开关 */
.admin-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    margin-bottom: 0;
    font-size: 0.85em;
    color: var(--color-text-light);
    font-family: var(--font-sans);
}

.admin-toggle input {
    display: none;
}

.admin-toggle-slider {
    position: relative;
    width: 40px;
    height: 22px;
    background: #ddd;
    border-radius: 11px;
    transition: background 0.2s;
    flex-shrink: 0;
}

.admin-toggle-slider::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 16px;
    height: 16px;
    background: white;
    border-radius: 50%;
    transition: transform 0.2s;
}

.admin-toggle input:checked + .admin-toggle-slider {
    background: var(--color-accent);
}

.admin-toggle input:checked + .admin-toggle-slider::after {
    transform: translateX(18px);
}

.admin-toggle-label {
    color: var(--color-text-light);
}

/* 密码展示 */
.admin-password-hint {
    margin-bottom: 16px;
    color: var(--color-text-light);
    font-family: var(--font-sans);
    font-size: 0.89em;
}

.admin-password-display {
    padding: 16px 24px;
    background: var(--color-bg-dark);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    display: inline-block;
}

.admin-password-display code {
    font-size: 1.4em;
    font-family: "SF Mono", "Fira Code", monospace;
    letter-spacing: 0.15em;
    color: var(--color-accent);
}

/* Admin 页面按钮覆盖 */
.admin-page .btn-primary {
    border-radius: 8px;
}

.admin-page .btn-secondary {
    border-radius: 8px;
}

/* 操作日志 */
.admin-log-action {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 0.85em;
    font-weight: 500;
}

.admin-log-create_user {
    background: #d4edda;
    color: #155724;
}

.admin-log-edit_user {
    background: #cce5ff;
    color: #004085;
}

.admin-log-reset_password {
    background: #fff3cd;
    color: #856404;
}

.admin-log-detail {
    color: var(--color-text-light);
    font-size: 0.9em;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-api-table-wrap {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.admin-api-table {
    min-width: 1460px;
}

.admin-api-result {
    white-space: normal;
    max-width: 420px;
    line-height: 1.4;
}

/* 响应式 */
@media (max-width: 768px) {
    .admin-layout {
        flex-direction: column;
    }

    .admin-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }

    .admin-sidebar-header {
        display: none;
    }

    .admin-sidebar-nav {
        flex-direction: row;
        padding: 8px 10px;
        gap: 4px;
    }

    .admin-sidebar-footer {
        display: none;
    }

    .admin-nav-item {
        justify-content: center;
        flex: 1;
        padding: 8px 10px;
        font-size: 0.85em;
    }

    .admin-panel-content {
        padding: 16px 12px;
    }

    .admin-panel-header {
        padding: 16px 20px;
    }

    .admin-api-table {
        min-width: 1220px;
    }
}

@media (max-width: 600px) {
    .admin-form-grid {
        grid-template-columns: 1fr;
    }

    .admin-modal-form {
        max-width: 100%;
        margin: 0 8px;
    }

    .admin-auth-form {
        flex-direction: column;
        align-items: center;
    }
}

/* ============ Admin 数据监控页 ============ */

.admin-monitoring-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* 核心指标概览 */
.admin-metrics-overview {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.admin-metric-card {
    background: white;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.admin-metric-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.admin-metric-card.admin-metric-primary {
    background: linear-gradient(135deg, #8b4513 0%, #a0522d 100%);
    color: white;
}

.admin-metric-card.admin-metric-primary .admin-metric-icon {
    background: rgba(255,255,255,0.2);
    color: white;
}

.admin-metric-card.admin-metric-primary .admin-metric-value,
.admin-metric-card.admin-metric-primary .admin-metric-label {
    color: white;
}

.admin-metric-card.admin-metric-primary .admin-metric-tag {
    background: rgba(255,255,255,0.25);
    color: white;
}

.admin-metric-card.admin-metric-primary .admin-metric-desc {
    color: rgba(255,255,255,0.8);
}

.admin-metric-icon {
    width: 44px;
    height: 44px;
    background: var(--color-bg-dark);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
}

.admin-metric-icon svg {
    width: 22px;
    height: 22px;
}

.admin-metric-content {
    flex: 1;
}

.admin-metric-value {
    font-size: 2em;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.1;
}

.admin-metric-label {
    font-size: 0.85em;
    color: var(--color-text-light);
    margin-top: 4px;
}

.admin-metric-extra {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
}

.admin-metric-card.admin-metric-primary .admin-metric-extra {
    border-top-color: rgba(255,255,255,0.2);
}

.admin-metric-tag {
    background: rgba(139, 69, 19, 0.1);
    color: var(--color-accent);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.85em;
    font-weight: 500;
}

.admin-metric-highlight {
    font-size: 1.1em;
    font-weight: 600;
    color: var(--color-accent);
}

.admin-metric-sub {
    font-size: 1em;
    font-weight: 500;
    color: var(--color-text);
}

.admin-metric-desc {
    font-size: 0.78em;
    color: var(--color-text-light);
}

/* 双栏网格 */
.admin-monitor-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 20px;
}

.admin-monitor-section {
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.admin-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.admin-section-header h3 {
    font-family: var(--font-sans);
    font-size: 1em;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.admin-btn-link {
    background: none;
    border: none;
    color: var(--color-accent);
    padding: 4px 10px;
    font-size: 0.82em;
    cursor: pointer;
}

.admin-btn-link:hover {
    text-decoration: underline;
    background: none;
    border: none;
}

/* 留存可视化 */
.admin-retention-visual {
    display: flex;
    gap: 24px;
    align-items: center;
}

.admin-retention-ring {
    position: relative;
    width: 120px;
    height: 120px;
    flex-shrink: 0;
}

.admin-retention-ring svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.admin-retention-ring .ring-bg {
    stroke: var(--color-bg-dark);
}

.admin-retention-ring .ring-fill {
    stroke: var(--color-accent);
    stroke-linecap: round;
    transition: stroke-dashoffset 0.8s ease;
}

.admin-retention-ring-label {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.admin-retention-ring-label .ring-value {
    font-size: 1.5em;
    font-weight: 600;
    color: var(--color-text);
}

.admin-retention-ring-label .ring-text {
    font-size: 0.75em;
    color: var(--color-text-light);
}

.admin-retention-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.admin-retention-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.retention-day {
    width: 36px;
    font-size: 0.82em;
    color: var(--color-text-light);
}

.retention-bar-wrap {
    flex: 1;
    height: 8px;
    background: var(--color-bg-dark);
    border-radius: 4px;
    overflow: hidden;
}

.retention-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), #d2691e);
    border-radius: 4px;
    transition: width 0.5s ease;
    width: 0;
}

.retention-value {
    width: 40px;
    font-size: 0.88em;
    font-weight: 500;
    color: var(--color-text);
    text-align: right;
}

/* 用户画像 */
.admin-profile-charts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.admin-profile-chart {
    text-align: center;
}

.admin-profile-chart h4 {
    font-size: 0.85em;
    font-weight: 500;
    color: var(--color-text-light);
    margin: 0 0 16px 0;
}

.admin-donut-chart {
    width: 140px;
    height: 140px;
    margin: 0 auto 16px;
    position: relative;
}

.admin-donut-chart svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.admin-donut-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 16px;
}

.admin-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78em;
    color: var(--color-text-light);
}

.admin-legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

/* 使用情况分布 */
.admin-usage-section {
    margin-top: 4px;
}

.admin-usage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.admin-usage-card {
    background: var(--color-bg-dark);
    border-radius: 12px;
    padding: 20px;
}

.admin-usage-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.admin-usage-card h4 {
    font-size: 0.88em;
    font-weight: 500;
    color: var(--color-text);
    margin: 0 0 4px 0;
}

.admin-usage-avg {
    font-size: 0.78em;
    color: var(--color-accent);
    font-weight: 500;
}

.admin-usage-bars {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.admin-usage-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-usage-label {
    width: 48px;
    font-size: 0.8em;
    color: var(--color-text-light);
    text-align: right;
    flex-shrink: 0;
}

.admin-usage-bar-wrap {
    flex: 1;
    height: 20px;
    background: rgba(255,255,255,0.6);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.admin-usage-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), #cd853f);
    border-radius: 6px;
    transition: width 0.5s ease;
    position: relative;
}

.admin-usage-bar::after {
    content: attr(data-count);
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75em;
    font-weight: 500;
    color: white;
}

.admin-usage-bar.narrow::after {
    right: -24px;
    color: var(--color-text);
}

.admin-usage-count {
    width: 28px;
    font-size: 0.8em;
    color: var(--color-text);
    text-align: right;
    flex-shrink: 0;
}

/* 留存矩阵弹窗 */
.admin-retention-modal {
    max-width: 720px;
    max-height: 80vh;
}

.admin-retention-modal .modal-body {
    padding: 0;
    overflow: hidden;
}

.admin-retention-table-wrap {
    max-height: 60vh;
    overflow-y: auto;
}

.admin-retention-table th,
.admin-retention-table td {
    text-align: center;
    padding: 12px 14px;
}

.admin-retention-cell {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.85em;
    font-weight: 500;
}

.retention-high {
    background: #d4edda;
    color: #155724;
}

.retention-mid {
    background: #fff3cd;
    color: #856404;
}

.retention-low {
    background: #f8d7da;
    color: #721c24;
}

.retention-very-low {
    background: #f0f0f0;
    color: #999;
}

/* 响应式 - 数据监控页 */
@media (max-width: 1200px) {
    .admin-metrics-overview {
        grid-template-columns: repeat(2, 1fr);
    }

    .admin-monitor-grid {
        grid-template-columns: 1fr;
    }

    .admin-usage-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .admin-metrics-overview {
        grid-template-columns: 1fr;
    }

    .admin-metric-card {
        padding: 16px;
    }

    .admin-retention-visual {
        flex-direction: column;
    }

    .admin-profile-charts {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .admin-retention-modal {
        max-width: 100%;
        margin: 0 8px;
    }
}

/* ============ Admin 用户详情页 ============ */

.admin-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-header-left h1 {
    margin: 0;
}

.admin-back-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--color-bg-dark);
    border-radius: 10px;
    color: var(--color-text-light);
    cursor: pointer;
    transition: all 0.2s;
}

.admin-back-btn:hover {
    background: var(--color-accent);
    color: white;
    transform: translateX(-2px);
}

.admin-back-btn svg {
    flex-shrink: 0;
}

.admin-detail-actions {
    display: flex;
    gap: 8px;
}

.admin-btn-primary {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

.admin-btn-primary:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent-light);
    color: white;
}

.admin-user-detail-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.admin-user-health-card .admin-card-body {
    padding: 20px 24px;
}

.admin-health-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.admin-health-item {
    padding: 14px 14px 12px;
    border-radius: 12px;
    background: var(--color-bg-dark);
    border: none;
}

.admin-health-label {
    font-size: 0.78em;
    color: var(--color-text-light);
    margin-bottom: 6px;
}

.admin-health-value {
    font-size: 1em;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.4;
    margin-bottom: 6px;
}

.admin-health-note {
    font-size: 0.8em;
    color: var(--color-text-light);
    line-height: 1.5;
}

/* 用户概览卡片 */
.admin-user-profile-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    padding: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.admin-profile-main {
    display: flex;
    align-items: center;
    gap: 20px;
}

.admin-profile-avatar {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, #e8e0d8 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    flex-shrink: 0;
}

.admin-profile-avatar svg {
    width: 36px;
    height: 36px;
}

.admin-profile-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.admin-profile-name {
    font-size: 1.4em;
    font-weight: 600;
    color: var(--color-text);
}

.admin-profile-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.88em;
    color: var(--color-text-light);
}

.admin-profile-meta .meta-divider {
    width: 4px;
    height: 4px;
    background: var(--color-border);
    border-radius: 50%;
}

.admin-profile-badges {
    display: flex;
    gap: 8px;
    margin-top: 4px;
}

.admin-profile-stats {
    display: flex;
    gap: 32px;
}

.admin-profile-stat {
    text-align: center;
    padding: 0 16px;
    border-left: 1px solid var(--color-border);
}

.admin-profile-stat:first-child {
    border-left: none;
}

.admin-profile-stat .stat-value {
    font-size: 1.8em;
    font-weight: 600;
    color: var(--color-accent);
    line-height: 1.2;
}

.admin-profile-stat .stat-label {
    font-size: 0.82em;
    color: var(--color-text-light);
    margin-top: 4px;
}

/* 详情双栏 */
.admin-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.admin-user-info-card,
.admin-memoir-timeline-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    overflow: hidden;
}

.admin-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--color-bg-dark);
    border-bottom: 1px solid var(--color-border);
}

.admin-card-header-main {
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-card-header h3 {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 0.95em;
    font-weight: 600;
    color: var(--color-text);
}

.admin-count-badge {
    background: var(--color-accent);
    color: white;
    font-size: 0.78em;
    padding: 3px 12px;
    border-radius: 12px;
    font-weight: 500;
}

.admin-card-body {
    padding: 20px;
}

/* 信息列表样式 */
.admin-info-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.admin-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.admin-info-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.admin-info-row label {
    font-size: 0.88em;
    color: var(--color-text-light);
}

.admin-info-row span {
    font-size: 0.95em;
    color: var(--color-text);
    font-weight: 500;
}

.admin-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.admin-info-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.admin-info-item label {
    font-size: 0.82em;
    color: var(--color-text-light);
}

.admin-info-item span {
    font-size: 0.95em;
    color: var(--color-text);
}

.admin-empty-state {
    text-align: center;
    color: var(--color-text-light);
    padding: 32px 20px;
    font-size: 0.9em;
}

/* 使用统计卡片 */
.admin-stats-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    overflow: hidden;
}

.admin-kpi-grid {
    text-align: center;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.admin-kpi-item {
    padding: 16px 12px;
    background: var(--color-bg-dark);
    border-radius: 12px;
}

.admin-kpi-item .stat-value {
    font-size: 1.3em;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 4px;
}

.admin-kpi-item .stat-label {
    font-size: 0.75em;
    color: var(--color-text-light);
    line-height: 1.4;
}

/* Info icon with tooltip */
.stat-info {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-lighter);
    cursor: help;
    position: relative;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.stat-info:hover {
    opacity: 1;
}

.stat-info svg {
    width: 14px;
    height: 14px;
}

.stat-info::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: #fff;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 400;
    width: max-content;
    max-width: 280px;
    white-space: normal;
    text-align: center;
    line-height: 1.4;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    z-index: 100;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.stat-info::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 2px);
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: #333;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    z-index: 100;
}

.stat-info:hover::after,
.stat-info:hover::before {
    opacity: 1;
    visibility: visible;
}

.admin-ops-overview {
    margin-bottom: 18px;
    padding: 16px 18px;
    background: linear-gradient(180deg, rgba(139, 69, 19, 0.06), rgba(139, 69, 19, 0.02));
    border: 1px solid rgba(139, 69, 19, 0.12);
    border-radius: 14px;
}

.admin-ops-overview-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.admin-health-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.82em;
    font-weight: 600;
    white-space: nowrap;
}

.admin-health-pill.is-good {
    background: rgba(46, 125, 50, 0.12);
    color: #2e7d32;
}

.admin-health-pill.is-warn {
    background: rgba(245, 124, 0, 0.14);
    color: #b26a00;
}

.admin-health-pill.is-danger {
    background: rgba(211, 47, 47, 0.12);
    color: #c62828;
}

.admin-ops-overview-text {
    font-size: 0.95em;
    color: var(--color-text);
    line-height: 1.6;
}

.admin-ops-overview-action {
    font-size: 0.88em;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* 话题池卡片 */
.admin-topic-pool-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    overflow: hidden;
}

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

.admin-topic-item {
    padding: 16px;
    background: var(--color-bg-dark);
    border-radius: 12px;
    border-left: 3px solid var(--color-accent);
}

.admin-topic-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 8px;
}

.admin-topic-title {
    font-size: 0.95em;
    font-weight: 500;
    color: var(--color-text);
    line-height: 1.45;
}

.admin-topic-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.admin-topic-source {
    font-size: 0.74em;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 4px 10px;
    border-radius: 999px;
}

.admin-topic-source.source-ai {
    color: var(--color-accent);
    background: rgba(139, 69, 19, 0.12);
}

.admin-topic-source.source-manual {
    color: #155724;
    background: rgba(21, 87, 36, 0.12);
}

.admin-topic-source.source-unknown {
    color: var(--color-text-light);
    background: rgba(102, 102, 102, 0.1);
}

.admin-topic-blocks {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.admin-topic-block {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(139, 69, 19, 0.08);
    border-radius: 10px;
    padding: 10px 12px;
}

.admin-topic-block-label {
    font-size: 0.72em;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--color-accent);
    margin-bottom: 4px;
    text-transform: uppercase;
}

.admin-topic-block-text {
    font-size: 0.85em;
    color: var(--color-text);
    line-height: 1.65;
    white-space: pre-wrap;
}

.admin-topic-block-text.is-empty {
    color: var(--color-text-light);
}

@media (max-width: 720px) {
    .admin-topic-item-header {
        flex-direction: column;
    }

    .admin-topic-meta {
        white-space: normal;
    }
}

/* 时代记忆卡片 */
.admin-era-memory-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    overflow: hidden;
}

.admin-era-memory-text {
    font-size: 0.9em;
    color: var(--color-text);
    line-height: 1.8;
    white-space: pre-wrap;
    max-height: 300px;
    overflow-y: auto;
}

.admin-summary-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    overflow: hidden;
}

.admin-summary-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.admin-summary-item {
    padding: 16px;
    background: var(--color-bg-dark);
    border-radius: 12px;
}

.admin-summary-item-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 8px;
}

.admin-summary-title {
    font-size: 0.92em;
    font-weight: 600;
    color: var(--color-text);
}

.admin-summary-time {
    font-size: 0.78em;
    color: var(--color-text-light);
    white-space: nowrap;
}

.admin-summary-text {
    font-size: 0.88em;
    line-height: 1.7;
    color: var(--color-text);
    white-space: pre-wrap;
}

/* 响应式 - 使用统计 */
@media (max-width: 1100px) {
    .admin-stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 600px) {
    .admin-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-info::after {
        max-width: 200px;
        left: auto;
        right: -10px;
        transform: none;
    }

    .stat-info::before {
        left: auto;
        right: 10px;
        transform: none;
    }
}

/* 回忆时间线 */
.admin-memoir-timeline {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.admin-timeline-group {
    position: relative;
}

.admin-timeline-header {
    font-size: 0.85em;
    font-weight: 600;
    color: var(--color-accent);
    background: rgba(139, 69, 19, 0.08);
    padding: 6px 14px;
    border-radius: 16px;
    display: inline-block;
    margin-bottom: 16px;
}

.admin-timeline-items {
    position: relative;
    padding-left: 24px;
}

.admin-timeline-items::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.admin-timeline-item {
    position: relative;
    display: flex;
    align-items: center;
    padding: 14px 16px;
    margin-bottom: 8px;
    background: var(--color-bg-dark);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.admin-timeline-item:last-child {
    margin-bottom: 0;
}

.admin-timeline-item:hover {
    background: #ede8e0;
    transform: translateX(4px);
}

.admin-timeline-item.generating {
    opacity: 0.7;
}

.admin-timeline-dot {
    position: absolute;
    left: -21px;
    width: 12px;
    height: 12px;
    background: white;
    border: 3px solid var(--color-accent);
    border-radius: 50%;
    z-index: 1;
}

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

.admin-timeline-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 4px;
}

.admin-timeline-title .title-text {
    font-size: 0.95em;
    font-weight: 500;
    color: var(--color-text);
}

.admin-memoir-status {
    font-size: 0.75em;
    color: var(--color-accent);
    background: rgba(139, 69, 19, 0.12);
    padding: 2px 8px;
    border-radius: 10px;
}

.admin-timeline-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.82em;
}

.admin-timeline-meta .meta-year {
    color: var(--color-accent);
}

.admin-timeline-meta .meta-time {
    color: var(--color-text-light);
}

.admin-timeline-arrow {
    color: var(--color-text-light);
    flex-shrink: 0;
    margin-left: 12px;
    opacity: 0;
    transition: opacity 0.2s;
}

.admin-timeline-item:hover .admin-timeline-arrow {
    opacity: 1;
}

/* 旧的回忆列表项样式（保留兼容） */
.admin-memoir-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: background 0.15s;
}

.admin-memoir-item:last-child {
    border-bottom: none;
}

.admin-memoir-item:hover {
    background: var(--color-bg-dark);
}

.admin-memoir-item.generating {
    opacity: 0.7;
}

.admin-memoir-item-main {
    flex: 1;
    min-width: 0;
}

.admin-memoir-item-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.admin-memoir-item-title .title-text {
    font-size: 0.95em;
    font-weight: 500;
    color: var(--color-text);
}

.admin-memoir-item-year {
    font-size: 0.85em;
    color: var(--color-accent);
    margin-bottom: 4px;
}

.admin-memoir-item-time {
    font-size: 0.82em;
    color: var(--color-text-light);
}

.admin-memoir-item-arrow {
    color: var(--color-text-light);
    flex-shrink: 0;
    margin-left: 12px;
}

/* 回忆详情弹窗 */
.admin-memoir-detail-modal {
    max-width: 720px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
}

.admin-memoir-detail-modal .modal-body {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding: 0;
}

.admin-memoir-detail-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    padding: 0 24px;
    background: var(--color-bg-dark);
}

.admin-memoir-tab {
    padding: 12px 20px;
    font-family: var(--font-sans);
    font-size: 0.9em;
    color: var(--color-text-light);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.15s;
    margin-bottom: -1px;
}

.admin-memoir-tab:hover {
    color: var(--color-text);
}

.admin-memoir-tab.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
    font-weight: 500;
}

.admin-memoir-detail-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.admin-memoir-tab-panel {
    display: none;
}

.admin-memoir-tab-panel.active {
    display: block;
}

.admin-memoir-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.admin-memoir-meta .meta-year {
    font-size: 0.9em;
    color: var(--color-accent);
    font-weight: 500;
}

.admin-memoir-meta .meta-time {
    font-size: 0.85em;
    color: var(--color-text-light);
}

.admin-memoir-text {
    font-family: var(--font-serif);
    font-size: 1em;
    line-height: 1.9;
    color: var(--color-text);
    white-space: pre-wrap;
}

/* 对话记录 */
.admin-transcript-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.admin-transcript-message {
    padding: 12px 16px;
    border-radius: 8px;
    background: var(--color-bg-dark);
}

.admin-transcript-message.user {
    background: rgba(139, 69, 19, 0.06);
}

.admin-transcript-message.assistant {
    background: var(--color-bg-dark);
}

.admin-transcript-role {
    font-size: 0.78em;
    font-weight: 500;
    color: var(--color-text-light);
    margin-bottom: 6px;
}

.admin-transcript-message.user .admin-transcript-role {
    color: var(--color-accent);
}

.admin-transcript-content {
    font-size: 0.9em;
    line-height: 1.6;
    color: var(--color-text);
    white-space: pre-wrap;
}

/* 响应式 - 用户详情页 */
@media (max-width: 900px) {
    .admin-user-profile-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .admin-health-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .admin-profile-stats {
        width: 100%;
        justify-content: flex-start;
        padding-top: 20px;
        border-top: 1px solid var(--color-border);
    }

    .admin-profile-stat:first-child {
        border-left: none;
        padding-left: 0;
    }

    .admin-detail-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .admin-header-left {
        gap: 12px;
    }

    .admin-header-left h1 {
        font-size: 1em;
    }

    .admin-info-grid {
        grid-template-columns: 1fr 1fr;
    }

    .admin-user-toolbar {
        align-items: stretch;
    }

    .admin-user-search {
        min-width: 0;
        width: 100%;
    }

    .admin-toolbar-summary {
        margin-left: 0;
        width: 100%;
    }

    .admin-memoir-detail-modal {
        max-width: 100%;
        margin: 0 8px;
        max-height: 90vh;
    }

    .admin-profile-main {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }

    .admin-profile-stats {
        gap: 16px;
    }

    .admin-profile-stat {
        padding: 0 12px;
    }

    .admin-kpi-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .admin-ops-overview-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .admin-info-grid {
        grid-template-columns: 1fr;
    }

    .admin-profile-avatar {
        width: 56px;
        height: 56px;
    }

    .admin-profile-avatar svg {
        width: 28px;
        height: 28px;
    }

    .admin-profile-name {
        font-size: 1.2em;
    }

    .admin-health-grid,
    .admin-kpi-grid {
        grid-template-columns: 1fr;
    }
}

/* 相册 */
body.modal-open {
    overflow: hidden;
}

.album-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.album-toolbar {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.album-upload-btn {
    width: 100%;
    justify-content: center;
}

.album-toolbar-hint {
    font-size: 0.82em;
    color: var(--color-text-light);
    font-family: var(--font-sans);
}

.album-section-head h2 {
    font-size: 1em;
    font-weight: 500;
    color: var(--color-text);
}

.album-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.album-card {
    appearance: none;
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: #fff;
    text-align: left;
    overflow: hidden;
    cursor: pointer;
    padding: 0;
}

.album-card:hover {
    border-color: rgba(139, 69, 19, 0.25);
}

.album-card-upload {
    cursor: default;
}

.album-card-image-wrap {
    position: relative;
    aspect-ratio: 1 / 1;
    background: var(--color-bg-dark);
    overflow: hidden;
}

.album-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.album-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-family: var(--font-sans);
    font-size: 0.84em;
    background:
        linear-gradient(135deg, rgba(139, 69, 19, 0.05), rgba(139, 69, 19, 0.11));
}

.album-upload-status {
    position: absolute;
    right: 10px;
    bottom: 10px;
    min-width: 64px;
    padding: 4px 8px;
    border-radius: 999px;
    background: rgba(44, 44, 44, 0.68);
    color: #fff;
    font-size: 0.72em;
    text-align: center;
    font-family: var(--font-sans);
}

.album-upload-status-error {
    background: rgba(192, 57, 43, 0.9);
}

.album-card-body {
    padding: 10px 12px 12px;
}

.album-card-title {
    font-size: 0.9em;
    color: var(--color-text);
    line-height: 1.5;
    word-break: break-all;
}

.album-card-meta {
    margin-top: 4px;
    font-size: 0.78em;
    color: var(--color-text-light);
    font-family: var(--font-sans);
    line-height: 1.5;
    display: flex;
    flex-wrap: wrap;
    gap: 0 0.5em;
}

.album-card-time::after {
    content: '·';
    margin-left: 0.5em;
}

@media (max-width: 899px) {
    .album-card-meta {
        flex-direction: column;
        gap: 2px;
    }

    .album-card-time::after {
        display: none;
    }
}

.album-card-error {
    margin-top: 8px;
    font-size: 0.78em;
    color: #c0392b;
    line-height: 1.5;
}

.album-card-action {
    margin-top: 10px;
}

.album-progress {
    margin-top: 10px;
    width: 100%;
    height: 6px;
    border-radius: 999px;
    background: rgba(139, 69, 19, 0.10);
    overflow: hidden;
}

.album-progress-bar {
    height: 100%;
    background: var(--color-accent);
    width: 0;
    transition: width 0.2s ease;
}

.album-load-more {
    display: flex;
    justify-content: center;
    margin-top: 18px;
}

.album-empty-state {
    margin-top: 32px;
}

.album-viewer {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.album-viewer-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(26, 21, 18, 0.76);
}

.album-viewer-panel {
    position: relative;
    width: min(920px, 100%);
    max-height: calc(100vh - 32px);
    display: flex;
    flex-direction: column;
    background: #fffdf9;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.22);
}

.album-viewer-header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 18px;
    border-bottom: 1px solid var(--color-border);
}

.album-viewer-meta h2 {
    font-size: 1em;
    color: var(--color-text);
}

.album-viewer-meta p {
    margin-top: 4px;
    font-size: 0.8em;
    color: var(--color-text-light);
    font-family: var(--font-sans);
}

.album-viewer-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.album-viewer-body {
    min-height: 320px;
    max-height: calc(100vh - 160px);
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        linear-gradient(180deg, rgba(245, 243, 239, 0.85), rgba(250, 249, 246, 0.98));
}

.album-viewer-loading {
    color: var(--color-text-light);
    font-family: var(--font-sans);
    font-size: 0.9em;
}

.album-viewer-body img {
    max-width: 100%;
    max-height: calc(100vh - 192px);
    object-fit: contain;
    border-radius: 10px;
}

@media (min-width: 900px) {
    .album-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .album-viewer-header {
        flex-direction: column;
        align-items: stretch;
    }

    .album-viewer-actions {
        justify-content: space-between;
    }
}