/**
 * 聊天页签美化样式
 * 用于美化聊天窗口内的页签（站内交谈、我的群聊等）
 * 注意：由于iframe跨域限制，样式通过JavaScript注入实现
 * 本文件作为备用方案，主要用于文档说明
 */

/* 以下样式通过JavaScript注入到iframe中，这里仅作参考 */

/* 页签容器美化 */
body .menu,
body div.menu {
    height: 48px !important;
    line-height: 48px !important;
    background: linear-gradient(135deg, var(--md-sys-color-primary-container, #d0e4ff) 0%, var(--md-sys-color-surface-container-high, #e8eaf6) 100%) !important;
    letter-spacing: 0.5px !important;
    font-size: 15px !important;
    overflow: hidden !important;
    border-radius: 0 !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
}

/* 页签表格美化 */
.mdc-chat-drawer__content iframe body .menu table,
.mdc-chat-drawer__content iframe body div.menu table {
    width: 100% !important;
    border-collapse: collapse !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
}

/* 页签项美化 */
.mdc-chat-drawer__content iframe body .menu .tab,
.mdc-chat-drawer__content iframe body div.menu .tab,
.mdc-chat-drawer__content iframe body .menu td.tab,
.mdc-chat-drawer__content iframe body div.menu td.tab {
    position: relative !important;
    padding: 0 24px !important;
    margin: 0 !important;
    background: transparent !important;
    border: none !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    cursor: pointer !important;
    text-align: center !important;
}

/* 页签链接美化 */
.mdc-chat-drawer__content iframe body .menu .tab a,
.mdc-chat-drawer__content iframe body div.menu .tab a,
.mdc-chat-drawer__content iframe body .menu .tab a:link,
.mdc-chat-drawer__content iframe body .menu .tab a:visited,
.mdc-chat-drawer__content iframe body .menu .tab a:active {
    display: inline-block !important;
    height: 48px !important;
    line-height: 48px !important;
    color: var(--md-sys-color-on-primary-container, #001d35) !important;
    padding: 0 !important;
    text-decoration: none !important;
    font-weight: 500 !important;
    position: relative !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* 页签链接悬停效果 */
.mdc-chat-drawer__content iframe body .menu .tab a:hover {
    color: var(--md-sys-color-primary, #1976d2) !important;
    background: transparent !important;
}

/* 页签链接内的span美化 */
.mdc-chat-drawer__content iframe body .menu .tab a span,
.mdc-chat-drawer__content iframe body div.menu .tab a span {
    position: relative !important;
    z-index: 1 !important;
    display: inline-block !important;
    padding: 0 8px !important;
}

/* 激活状态的页签 */
.mdc-chat-drawer__content iframe body .menu .tab#s3,
.mdc-chat-drawer__content iframe body .menu .tab#s2,
.mdc-chat-drawer__content iframe body .menu .tab#view,
.mdc-chat-drawer__content iframe body div.menu .tab#s3,
.mdc-chat-drawer__content iframe body div.menu .tab#s2,
.mdc-chat-drawer__content iframe body div.menu .tab#view {
    background: transparent !important;
}

.mdc-chat-drawer__content iframe body .menu .tab#s3 a,
.mdc-chat-drawer__content iframe body .menu .tab#s2 a,
.mdc-chat-drawer__content iframe body .menu .tab#view a {
    color: var(--md-sys-color-primary, #1976d2) !important;
    font-weight: 600 !important;
}

.mdc-chat-drawer__content iframe body .menu .tab#s3 a::after,
.mdc-chat-drawer__content iframe body .menu .tab#s2 a::after,
.mdc-chat-drawer__content iframe body .menu .tab#view a::after {
    content: '' !important;
    position: absolute !important;
    bottom: 0 !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: 60% !important;
    height: 3px !important;
    background: linear-gradient(90deg, var(--md-sys-color-primary, #1976d2) 0%, var(--md-sys-color-primary-container, #d0e4ff) 100%) !important;
    border-radius: 3px 3px 0 0 !important;
    animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

@keyframes slideIn {
    from {
        width: 0;
        opacity: 0;
    }
    to {
        width: 60%;
        opacity: 1;
    }
}

/* 导航页签美化（好友页面的导航） */
.mdc-chat-drawer__content iframe body .nav,
.mdc-chat-drawer__content iframe body div.nav {
    background: var(--md-sys-color-surface-container, #f5f5f5) !important;
    border-radius: 8px !important;
    padding: 4px !important;
    margin: 12px 0 !important;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06) !important;
}

.mdc-chat-drawer__content iframe body .nav table,
.mdc-chat-drawer__content iframe body div.nav table {
    width: 100% !important;
    border-collapse: separate !important;
    border-spacing: 4px !important;
    margin: 0 !important;
    padding: 0 !important;
}

.mdc-chat-drawer__content iframe body .nav .nav_1,
.mdc-chat-drawer__content iframe body .nav .nav_2,
.mdc-chat-drawer__content iframe body div.nav .nav_1,
.mdc-chat-drawer__content iframe body div.nav .nav_2,
.mdc-chat-drawer__content iframe body .nav td.nav_1,
.mdc-chat-drawer__content iframe body .nav td.nav_2 {
    background: transparent !important;
    border-radius: 6px !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    padding: 8px 16px !important;
    margin: 0 !important;
}

.mdc-chat-drawer__content iframe body .nav .nav_1 a,
.mdc-chat-drawer__content iframe body .nav .nav_2 a,
.mdc-chat-drawer__content iframe body div.nav .nav_1 a,
.mdc-chat-drawer__content iframe body div.nav .nav_2 a {
    display: block !important;
    color: var(--md-sys-color-on-surface-variant, #424242) !important;
    text-decoration: none !important;
    font-weight: 500 !important;
    padding: 8px 0 !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.mdc-chat-drawer__content iframe body .nav .nav_1:hover,
.mdc-chat-drawer__content iframe body .nav .nav_2:hover {
    background: var(--md-sys-color-surface-container-high, #e8eaf6) !important;
}

.mdc-chat-drawer__content iframe body .nav .nav_1:hover a,
.mdc-chat-drawer__content iframe body .nav .nav_2:hover a {
    color: var(--md-sys-color-primary, #1976d2) !important;
}

/* 激活状态的导航页签 */
.mdc-chat-drawer__content iframe body .nav .nav_1[class*="on"],
.mdc-chat-drawer__content iframe body .nav .nav_2[class*="on"],
.mdc-chat-drawer__content iframe body .nav td.nav_1[class*="on"],
.mdc-chat-drawer__content iframe body .nav td.nav_2[class*="on"] {
    background: linear-gradient(135deg, var(--md-sys-color-primary, #1976d2) 0%, var(--md-sys-color-primary-container, #d0e4ff) 100%) !important;
    box-shadow: 0 2px 8px rgba(25, 118, 210, 0.3) !important;
}

.mdc-chat-drawer__content iframe body .nav .nav_1[class*="on"] a,
.mdc-chat-drawer__content iframe body .nav .nav_2[class*="on"] a {
    color: var(--md-sys-color-on-primary, #ffffff) !important;
    font-weight: 600 !important;
}

/* 深色主题适配 */
[data-theme="dark"] .mdc-chat-drawer__content iframe body .menu,
:root.theme-dark .mdc-chat-drawer__content iframe body .menu,
[data-theme="dark"] .mdc-chat-drawer__content iframe body div.menu,
:root.theme-dark .mdc-chat-drawer__content iframe body div.menu {
    background: linear-gradient(135deg, var(--md-sys-color-surface-container, #1e1e1e) 0%, var(--md-sys-color-surface-container-high, #2c2c2c) 100%) !important;
}

[data-theme="dark"] .mdc-chat-drawer__content iframe body .menu .tab a,
:root.theme-dark .mdc-chat-drawer__content iframe body .menu .tab a {
    color: var(--md-sys-color-on-surface, #e0e0e0) !important;
}

[data-theme="dark"] .mdc-chat-drawer__content iframe body .nav,
:root.theme-dark .mdc-chat-drawer__content iframe body .nav {
    background: var(--md-sys-color-surface-container, #1e1e1e) !important;
}

[data-theme="dark"] .mdc-chat-drawer__content iframe body .nav .nav_1 a,
[data-theme="dark"] .mdc-chat-drawer__content iframe body .nav .nav_2 a,
:root.theme-dark .mdc-chat-drawer__content iframe body .nav .nav_1 a,
:root.theme-dark .mdc-chat-drawer__content iframe body .nav .nav_2 a {
    color: var(--md-sys-color-on-surface-variant, #b0b0b0) !important;
}