/**
 * ChatGalaxy 统一侧边栏样式
 * 左右侧边栏共享同一套样式规则
 * @version 1.0.0
 * @updated 2026-01-07
 * @author 深山有密林团队
 */

/* ========== 基础样式 ========== */

/* 侧边栏宽度 */
:root {
    --sidebar-width-left: 320px;
    --sidebar-width-right: 280px;
}

/* ========== 通用侧边栏样式 ========== */

.sidebar,
#message-sidebar {
    /* 使用CSS变量，支持主题切换 */
    background: var(--sidebar-bg);
    border: 1px solid var(--sidebar-border);
    color: var(--sidebar-text);
    transition: all var(--transition-base);

    /* 阴影和模糊 */
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* ========== 侧边栏头部 ========== */

.sidebar-header,
#message-sidebar-header {
    padding: 24px 20px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--sidebar-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-header h2,
#message-sidebar-header .app-title {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-main);
}

.sidebar-close,
#message-sidebar .sidebar-collapse-btn {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--sidebar-text);
    font-size: 20px;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-close:hover,
#message-sidebar .sidebar-collapse-btn:hover {
    background: var(--card-hover-bg);
    transform: scale(1.05);
}

/* ========== 侧边栏内容区 ========== */

.sidebar-content,
#message-sidebar-content {
    padding: 16px 0;
    overflow-y: auto;
    overflow-x: hidden;
}

/* ========== 功能分组 ========== */

.sidebar-section {
    margin-bottom: 24px;
    padding: 0 16px;
}

.sidebar-section-title {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
    padding-left: 8px;
    font-weight: 600;
}

/* ========== 功能按钮网格 ========== */

.sidebar-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.sidebar-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 12px;
    background: var(--card-bg);
    border: 1px solid var(--sidebar-border);
    border-radius: 12px;
    color: var(--sidebar-text);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.sidebar-btn i {
    font-size: 24px;
    color: var(--primary-color);
}

.sidebar-btn:hover {
    background: var(--card-hover-bg);
    color: var(--sidebar-hover-text);
    border-color: var(--sidebar-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.sidebar-btn.active {
    background: var(--primary-color);
    /* 🔧 使用主题变量，确保在所有主题下都可见 */
    color: var(--text-on-primary, #ffffff);
    border-color: var(--primary-color);
}

/* 🔧 修复：确保选中状态下的图标也是白色 */
.sidebar-btn.active i {
    color: var(--text-on-primary, #ffffff);
}

/* ========== 主题选择器 ========== */

.theme-preview {
    width: 100%;
    height: 40px;
    border-radius: 8px;
    margin-bottom: 8px;
}

.theme-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
}

.theme-desc {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

.theme-active {
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 18px;
    color: #ffffff;
}

/* ========== 透明度滑块 ========== */

.transparency-slider-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.transparency-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--card-hover-bg);
    border-radius: 3px;
    outline: none;
}

.transparency-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.transparency-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-sm);
}

.transparency-value {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-color);
    min-width: 40px;
    text-align: right;
}

/* ========== 开关控件 ========== */

.sidebar-switch {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--card-bg);
    border: 1px solid var(--sidebar-border);
    border-radius: 10px;
}

.switch-label {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--sidebar-text);
    font-size: 14px;
    font-weight: 500;
}

.switch-label i {
    font-size: 18px;
    color: var(--primary-color);
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: var(--transition-base);
    border-radius: 26px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: var(--transition-base);
    border-radius: 50%;
}

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

input:checked + .toggle-slider:before {
    transform: translateX(22px);
}

/* ========== 左侧边栏特有样式 ========== */

#message-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width-left);
    height: 100vh;
    z-index: var(--z-overlay);
    transform: translateX(0);
    transition: transform var(--transition-base);
}

/* 侧边栏折叠时完全隐藏 */
#message-sidebar.collapsed {
    transform: translateX(-100%);
}

/* ========== 右侧边栏特有样式 ========== */

.sidebar {
    position: fixed;
    right: -280px;
    top: 0;
    width: var(--sidebar-width-right);
    height: 100vh;
    z-index: var(--z-overlay);
    transition: right var(--transition-base);
    /* 🔧 背景和其他样式从通用样式（第 19-31 行）继承 */
}

.sidebar.active {
    right: 0;
}

/* ========== 侧边栏切换按钮 ========== */

.sidebar-toggle {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    z-index: var(--z-sidebar-toggle);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-toggle:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-xl);
}

.sidebar.active ~ .sidebar-toggle {
    display: none;
}

/* ========== 关键词列表 ========== */

#keyword-ranking-list {
    padding: 20px;
}

.keyword-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    margin-bottom: 10px;
    background: var(--card-bg);
    border-radius: 18px;
    border: 1px solid var(--card-border);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.keyword-item:hover {
    transform: translateX(5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.keyword-rank {
    font-weight: bold;
    color: var(--text-muted);
    width: 25px;
}

.keyword-name {
    flex: 1;
    font-size: 14px;
    color: var(--text-main);
}

.keyword-count {
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--card-hover-bg);
    padding: 2px 8px;
    border-radius: 10px;
}

/* ========== 消息列表 ========== */

/* 🔧 修复：为 chat-list-container 添加滚动条样式 */
/* 注意：滚动条实际出现在 #chat-list-container 上（因为它有 overflow-y: auto） */
#chat-list-container::-webkit-scrollbar {
    width: 6px;
}

#chat-list-container::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

#chat-list-container::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    opacity: 0.5;
    border-radius: 3px;
}

#chat-list-container::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
    opacity: 0.7;
}

#chat-list-content {
    padding: 20px;
}

.message-item {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-radius: 12px; /* 整个消息项圆角 */
    padding: 4px; /* 添加内边距让圆角不贴边 */
}

.message-item:hover {
    transform: translateX(3px);
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: bold;
    color: white;
    flex-shrink: 0;
}

.msg-bubble {
    flex: 1;
    padding: 12px 16px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px; /* 更圆润的圆角 */
    border-top-left-radius: 4px;
}

.msg-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.sender-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--primary-color);
}

.msg-time {
    font-size: 12px;
    color: var(--text-muted);
}

.msg-content {
    font-size: 14px;
    color: var(--text-main);
    line-height: 1.6;
}

/* ========== 标签页 ========== */

#message-sidebar-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    border-bottom: 1px solid var(--sidebar-border);
    padding-bottom: 10px;
}

.tab-btn {
    flex: 1;
    padding: 8px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    border-bottom: 2px solid transparent;
}

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

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    /* 🔧 修复：恢复 flex 布局，确保子元素正确计算高度 */
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

/* ========== 搜索框 ========== */

.search-box {
    position: relative;
    margin-bottom: 15px;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

#search-input {
    width: 100%;
    padding: 10px 10px 10px 35px;
    border: 1px solid var(--sidebar-border);
    border-radius: 20px;
    outline: none;
    font-family: inherit;
    color: var(--text-main);
    background: var(--card-bg);
    transition: all var(--transition-fast);
}

#search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--accent-color);
}

/* ========== 侧边栏底部信息 ========== */

.sidebar-footer {
    padding: 20px 16px;
    border-top: 1px solid var(--sidebar-border);
    margin-top: auto;
}

.sidebar-info {
    padding: 12px;
    background: var(--card-hover-bg);
    border-radius: 10px;
    font-size: 12px;
    color: var(--sidebar-text);
    line-height: 1.6;
    border: 1px solid var(--sidebar-border);
}

.sidebar-info strong {
    display: block;
    margin-bottom: 4px;
    color: var(--primary-color);
}

/* ========== 响应式设计 ========== */

/* 平板设备 (≤768px) */
@media (max-width: 768px) {
    #message-sidebar {
        width: 100%;
        max-width: 320px;
    }

    .sidebar {
        width: 100%;
        right: -100%;
    }

    .sidebar-toggle {
        right: 16px;
        top: auto;
        bottom: 80px;
        transform: none;
        z-index: var(--z-above-timeline);
    }
}

/* 手机设备 (≤480px) */
@media (max-width: 480px) {
    #message-sidebar {
        width: 100%;
        max-width: 100%;
    }

    #message-sidebar:not(.collapsed) {
        transform: translateX(0);
    }

    .sidebar-toggle {
        right: 12px;
        bottom: 90px;
        width: 52px;
        height: 52px;
    }
}