/* ===============
   Hao AI - 侧边栏样式
   ================ */

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 80px;
    height: 100vh;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-lg) 0;
    z-index: 1000;
    transition: var(--duration-base) var(--easing-standard);
}

/* Logo */
.sidebar-logo {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-xl);
    text-align: center;
    padding: 0 var(--space-sm);
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* 导航菜单容器 */
.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    flex: 1;
    align-items: center;
}

.sidebar-nav.bottom {
    margin-top: auto;
    margin-bottom: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

/* 主题切换 */
.theme-switcher {
    position: relative;
    width: 56px;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: auto;
    margin-bottom: 8px;
}
.theme-toggle-btn {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 6px 0;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    background: transparent;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--duration-base) var(--easing-standard);
}
.theme-toggle-btn:hover {
    color: var(--color-primary);
    border-color: rgba(var(--color-primary-rgb), 0.3);
    background-color: rgba(var(--color-primary-rgb), 0.08);
    transform: translateY(-2px);
}
.theme-toggle-btn svg {
    width: 22px;
    height: 22px;
    stroke-width: 2;
}
.theme-menu {
    position: absolute;
    left: 62px;
    bottom: 0;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 6px;
    min-width: 130px;
    z-index: 2000;
    box-shadow: var(--shadow-md);
}
.theme-option {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 12px;
    cursor: pointer;
    transition: all var(--duration-fast) var(--easing-standard);
    white-space: nowrap;
}
.theme-option:hover {
    background: var(--hover-bg);
    color: var(--color-text-primary);
}
.theme-option.active {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}
.theme-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid;
    flex-shrink: 0;
    display: inline-block;
}
/* 跟随系统：半明半暗圆点 */
.theme-dot-auto {
    background: linear-gradient(135deg, #ffffff 0%, #ffffff 50%, #212121 50%, #212121 100%);
}

/* 导航项目 */
.nav-item {
    width: 56px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 6px 0;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--duration-base) var(--easing-standard);
    color: var(--color-text-secondary);
    text-decoration: none;
    position: relative;
}

.nav-item svg {
    width: 22px;
    height: 22px;
    stroke-width: 2;
    flex-shrink: 0;
}

/* 侧边栏用户头像（有图显示图片，无图显示用户名首字） */
.sidebar-user-avatar {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border-light);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light, #a78bfa));
    color: #fff;
    font-weight: 600;
    font-size: 11px;
    line-height: 1;
    user-select: none;
}

.sidebar-user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 未登录时的通用用户图标（放在头像圆圈内，比继承 .nav-item svg 的 22px 更小） */
.sidebar-user-avatar svg {
    width: 14px;
    height: 14px;
    stroke-width: 2;
}

/* 导航文字标签 */
.nav-label {
    font-size: 10px;
    line-height: 1.2;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 56px;
}

.nav-item.active .nav-label,
.nav-item:hover .nav-label {
    color: var(--color-primary);
}

/* 导航项目悬停状态 */
.nav-item:hover {
    color: var(--color-primary);
    border-color: rgba(var(--color-primary-rgb), 0.3);
    background-color: rgba(var(--color-primary-rgb), 0.08);
    transform: translateY(-2px);
}

/* 导航项目活跃状态 */
.nav-item.active {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background-color: rgba(var(--color-primary-rgb), 0.15);
    box-shadow: 0 0 12px rgba(var(--color-primary-rgb), 0.2);
}

/* 导航项目提示文本 - 文字常显后移除了 hover 弹窗 */

/* 响应式 - 平板 */
@media (max-width: 1024px) {
    .sidebar {
        width: 70px;
    }

    .sidebar-logo {
        font-size: 12px;
        margin-bottom: var(--space-lg);
    }

    .nav-item {
        width: 50px;
    }

    .nav-item svg {
        width: 20px;
        height: 20px;
    }

    .nav-label {
        font-size: 9px;
        max-width: 50px;
    }
}

/* 响应式 - 手机：侧边栏变为底部导航栏 */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        top: auto;
        width: 100%;
        height: auto;
        flex-direction: row;
        justify-content: space-around;
        align-items: center;
        padding: 6px 4px calc(6px + var(--safe-area-bottom));
        border-right: none;
        border-top: 1px solid var(--color-border);
        background: var(--sidebar-bg);
        z-index: 1000;
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
    }

    .sidebar-logo {
        display: none;
    }

    /* 两个 nav 合并为一行，每条均分宽度 */
    .sidebar-nav,
    .sidebar-nav.bottom {
        flex-direction: row;
        gap: 0;
        flex: 1;
        justify-content: space-around;
        align-items: center;
    }

    .sidebar-nav.bottom {
        margin-top: 0;
        margin-bottom: 0;
        padding-top: 0;
        border-top: none;
    }

    /* 顶部 nav：只保留前3个（主页、任务中心、资产管理） */
    .sidebar-nav .nav-item:nth-child(n+4) { display: none; }

    /* 底部 nav：只保留第1个（用户），其余隐藏 */
    .sidebar-nav.bottom .nav-item:nth-child(n+2) { display: none; }

    /* 主题切换器隐藏（在更多面板里） */
    .theme-switcher { display: none; }

    .nav-item {
        width: auto;
        min-width: 44px;
        height: 44px;
        padding: 4px 4px;
        flex-direction: column;
        justify-content: center;
        gap: 2px;
        border-radius: var(--radius-sm);
        flex: 0 1 auto;
    }

    .nav-item svg {
        width: 20px;
        height: 20px;
    }

    .nav-label {
        display: block;
        font-size: 9px;
        max-width: 56px;
        line-height: 1.1;
    }

    /* ── 「更多」按钮 ── */
    .sidebar-more-btn {
        display: flex !important;
        flex: 0 1 auto;
    }

    /* 导航hover效果在手机上调整为轻触 */
    .nav-item:hover {
        transform: none;
    }
    .nav-item:active {
        transform: scale(0.92);
    }

    /* ── 「更多」弹出面板 ── */
    .sidebar-more-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: 1001;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.25s ease, visibility 0.25s ease;
    }
    .sidebar-more-overlay.active {
        opacity: 1;
        visibility: visible;
        display: block;
    }

    .sidebar-more-panel {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1002;
        background: var(--sidebar-bg);
        border-radius: 16px 16px 0 0;
        padding: 12px 16px calc(12px + var(--safe-area-bottom));
        transform: translateY(100%);
        transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
        display: block !important;
    }
    .sidebar-more-panel.active {
        transform: translateY(0);
    }

    .sidebar-more-handle {
        width: 36px;
        height: 4px;
        background: var(--color-border);
        border-radius: 2px;
        margin: 0 auto 14px;
    }

    .sidebar-more-list {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

    .sidebar-more-item {
        display: flex;
        align-items: center;
        gap: 14px;
        width: 100%;
        padding: 14px 12px;
        border: none;
        border-radius: 10px;
        background: transparent;
        color: var(--color-text-primary);
        font-size: 15px;
        font-family: inherit;
        cursor: pointer;
        transition: background 0.15s;
    }
    .sidebar-more-item:active {
        background: var(--hover-bg);
    }
    .sidebar-more-item svg {
        flex-shrink: 0;
        color: var(--color-text-secondary);
    }

    .sidebar-more-label {
        display: block;
        font-size: 12px;
        font-weight: 500;
        color: var(--color-text-muted);
        padding: 12px 12px 8px;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    .sidebar-more-theme-row {
        display: flex;
        gap: 12px;
        padding: 4px 12px 12px;
    }

    .sidebar-more-theme {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        border: 2px solid transparent;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 16px;
        transition: border-color 0.15s, transform 0.15s;
    }
    .sidebar-more-theme.active {
        border-color: var(--color-primary);
        box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb), 0.3);
    }
    .sidebar-more-theme:active {
        transform: scale(0.9);
    }
}

/* 「更多」按钮在桌面端隐藏 */
.sidebar .sidebar-more-btn {
    display: none;
}
.sidebar .sidebar-more-overlay,
.sidebar .sidebar-more-panel {
    display: none;
}