/* ===== 导航栏样式 ===== */
.nav-sidebar {
    width: 100px;
    height: 100vh;
    background-color: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 24px 12px;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 10;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

/* 移动端底部导航栏 */
@media (max-width: 768px) {
    .nav-sidebar {
        width: 100%;
        height: 70px;
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        flex-direction: row;
        padding: 8px 16px;
        border-right: none;
        border-top: 1px solid var(--border-primary);
        /* box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1); */
        border-radius: 15px 15px 0 0;
    }
    
    .nav-sidebar__section:first-child {
        display: none; /* 隐藏 Logo */
    }
    
    .nav-sidebar__section:nth-child(2) {
        flex-direction: row;
        gap: 0;
        flex: 4;
        justify-content: space-around;
    }
    
    .nav-sidebar__section:last-child {
        display: none;
    }

    /* 移动端隐藏PC端header-user-btn，显示移动端专用按钮 */
    #header-user-btn {
        display: none !important;
    }

    #mobile-header-user-btn {
        display: flex !important;
        flex-direction: column !important;
        gap: 2px !important;
        width: 40px !important;
        align-items: center !important;
    }

    #mobile-header-user-btn p {
        font-size: 10px !important;
        line-height: 1.2 !important;
    }
}

@media (min-width: 769px) {
    /* 桌面端隐藏移动端专用按钮，显示PC端header-user-btn */
    #mobile-header-user-btn {
        display: none !important;
    }
    #header-user-btn {
        display: flex !important;
    }
}

/* ===== 移动端设置抽屉 ===== */
.mobile-settings-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 8;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-settings-overlay.is-open {
    display: block;
    opacity: 1;
}

.mobile-settings-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    /* max-width: 390px; */
    background: var(--bg-primary, #f5f5f5);
    z-index: 9;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    padding-bottom: 90px;
}

.mobile-settings-panel.is-open {
    transform: translateX(0);
}

.mobile-settings-header {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 16px 20px;
    background: var(--bg-primary);
    border-bottom: 1px solid #e2e8f0;;
}

.mobile-settings-header__back {
    position: absolute;
    left: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
    border-radius: 8px;
    transition: background-color 0.2s ease;
}

.mobile-settings-header__back:hover {
    background: var(--bg-hover);
}

.mobile-settings-header__title {
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.mobile-settings-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 16px;
    flex: 1;
}

.mobile-settings-card {
    background: var(--bg-card);
    overflow: hidden;
    padding: 12px 16px;
    border-radius: 6px;
    border: 1px solid #E2E8F0;
}

/* ===== 深色模式 mobile-settings-panel ===== */
[data-theme="dark"] .mobile-settings-panel {
    background: #202934;
}

[data-theme="dark"] .mobile-settings-header {
    background: #202934;
    border-bottom-color: #40404D;
}

[data-theme="dark"] .mobile-settings-card {
    background-color: #445469;
    border-color: #445469;
    box-shadow: 0 3px 14px 2px rgba(0, 0, 0, 0.05), 0 8px 10px 1px rgba(0, 0, 0, 0.06), 0 5px 5px -3px rgba(0, 0, 0, 0.10);
}

[data-theme="dark"] .mobile-settings-item {
    border-bottom-color: rgb(162, 181, 190, 0.1);
}

[data-theme="dark"] .mobile-settings-item__label {
    color: #FFFFFF;
}

[data-theme="dark"] .mobile-settings-item__label--muted {
    color: #A2B6BF;
}

[data-theme="dark"] .mobile-settings-item__check {
    color: var(--primary-color);
}

[data-theme="dark"] .mobile-settings-row {
    background: #445469;
    border-color: #445469;
    box-shadow: 0 3px 14px 2px rgba(0, 0, 0, 0.05), 0 8px 10px 1px rgba(0, 0, 0, 0.06), 0 5px 5px -3px rgba(0, 0, 0, 0.10);
}

[data-theme="dark"] .mobile-settings-row__label {
    color: #A2B6BF;
}

[data-theme="dark"] .mobile-settings-row__left {
    color: #A2B6BF;
}

[data-theme="dark"] .mobile-settings-row__arrow {
    color: #A2B6BF;
}

[data-theme="dark"] .mobile-settings-login {
    background: #445469;
    border-color: #445469;
    color: #A2B6BF;
    box-shadow: 0 3px 14px 2px rgba(0, 0, 0, 0.05), 0 8px 10px 1px rgba(0, 0, 0, 0.06), 0 5px 5px -3px rgba(0, 0, 0, 0.10);
}

[data-theme="dark"] .mobile-settings-login__left {
    color: #A2B6BF;
}

[data-theme="dark"] .mobile-toggle__track {
    background: #40404D;
}

.mobile-settings-card__icon-row {
    /* padding: 14px 16px 8px; */
    color: var(--text-tertiary);
    margin-bottom: 10px;
}

[data-theme="dark"] .mobile-settings-card__icon-row {
    color: #A2B6BF;
}

.mobile-settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 0;
    cursor: pointer;
    transition: background-color 0.15s ease;
    border-bottom: 1px solid var(--border-primary);
}

.mobile-settings-item:last-of-type {
    border-bottom: none;
}

.mobile-settings-item:hover {
    background: var(--bg-hover);
}

.mobile-settings-item__label {
    font-family: 'Roboto', sans-serif;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
}

.mobile-settings-item__label--muted {
    color: var(--text-tertiary);
}

.mobile-settings-item__check {
    /* color: var(--primary-color); */
    display: none;
}

.mobile-settings-item.is-active .mobile-settings-item__check {
    display: block;
}

.mobile-settings-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 16px;
    cursor: pointer;
    background: var(--bg-card);
    transition: background-color 0.15s ease;

    border-radius: 6px;
    border: 1px solid #E2E8F0;
}

.mobile-settings-row__left {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-tertiary);
}

.mobile-settings-row__label {
    font-family: 'Roboto', sans-serif;
    font-size: 15px;
    font-weight: 500;
    color: #A4A4A4;
}

.mobile-settings-row__arrow {
    color: var(--text-tertiary);
}

/* 移动端 Toggle 开关 */
.mobile-toggle {
    position: relative;
    width: 44px;
    height: 26px;
    flex-shrink: 0;
}

.mobile-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.mobile-toggle__track {
    position: absolute;
    inset: 0;
    border-radius: 13px;
    background: #ccc;
    transition: background-color 0.25s ease;
    cursor: pointer;
}

.mobile-toggle__track::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    transition: transform 0.25s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

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

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

/* 移动端登录行 */
.mobile-settings-login {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 16px;
    background: var(--bg-card);
    cursor: pointer;
    transition: background-color 0.15s ease;
    border-radius: 6px;
    border: 1px solid #E2E8F0;
    color: #A4A4A4;
}

.mobile-settings-login:hover {
    background: var(--bg-hover);
}

.mobile-settings-login__left {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
}

.mobile-settings-login__name {
    font-family: 'Roboto', sans-serif;
    font-size: 15px;
    font-weight: 500;
    /* color: var(--text-primary); */
}

.nav-sidebar__section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    width: 100%;
}

.nav-sidebar__section:last-of-type{
    gap: 4px;
}

.nav-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 8px;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
    color: var(--text-secondary);
    background-color: transparent;
}

.nav-icon:hover {
    color: var(--primary-color);
    background-color: rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] .nav-icon:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

.nav-icon:active {
    color: var(--primary-color-active);
    transform: scale(0.95);
}

.nav-icon--active {
    color: var(--primary-color);
}

/* ===== 弹出菜单按钮 ===== */
.nav-popup-btn {
    position: relative;
    display: flex;
    align-items: center;
    cursor: pointer;
}

/* Hover 标签 */
.nav-popup-btn__label {
    pointer-events: none;
    position: fixed;
    background-color: var(--bg-card);
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    padding: 4px 10px;
    border-radius: 6px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    transition: opacity 0.15s ease;
    z-index: 9999;
}

.nav-popup-btn__label.is-visible {
    opacity: 1;
}

/* 激活状态（图标变绿） */
.nav-popup-btn.is-active .nav-icon {
    color: var(--primary-color);
}

/* ===== 下拉菜单 ===== */
.nav-dropdown {
    display: none;
    position: fixed;
    min-width: 160px;
    background-color: var(--bg-card);
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    padding: 6px;
    z-index: 9999;
    flex-direction: column;
    gap: 2px;
}

.nav-dropdown.is-open {
    display: flex;
}

.nav-dropdown__item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 12px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.nav-dropdown__item:hover {
    background-color: var(--primary-color-light);
    color: var(--primary-color);
}

.nav-dropdown__check {
    display: none;
    color: var(--primary-color);
    flex-shrink: 0;
}

.nav-dropdown__item--active .nav-dropdown__check {
    display: block;
}

/* 暗色模式适配 */
[data-theme="dark"] .nav-dropdown {
    border: 1px solid rgba(255,255,255,0.08);
}

[data-theme="dark"] .nav-popup-btn__label {
    border: 1px solid rgba(255,255,255,0.08);
}

[data-theme="dark"] .nav-dropdown__item:hover {
    background-color: rgba(13, 196, 108, 0.15);
    color: var(--primary-color);
}