/**
 * 导航栏组件样式
 * 包含顶部导航栏、移动端侧边栏、用户头像等样式
 */

/* 导航栏基础样式 - 简化版本 */
.navbar {
    --border-radius-custom: 0.5rem;
    background-color: #ffffff;
    border-bottom: 1px solid #dee2e6;
    height: 64px;
    padding-top: 0;
    padding-bottom: 0;
    display: flex;
    align-items: center;
}

.navbar .container {
    height: 100%;
    display: flex;
    align-items: center;
}

/* 品牌Logo样式 */
.navbar-brand img {
    border-radius: 0.375rem;
}

.navbar-brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--bs-primary), var(--bs-primary-dark, #0056b3));
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
}

.navbar-brand-text {
    color: var(--bs-primary) !important;
    font-weight: 700;
    font-size: 1.25rem;
}

/* 中间导航菜单 */
.navbar-nav-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-menu {
    background-color: var(--bs-secondary-bg, #f8f9fa);
    border-radius: var(--border-radius-custom);
    padding: 0.25rem;
    display: flex;
    gap: 0.25rem;
}

.nav-menu-item {
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    text-decoration: none;
    color: #6c757d;
    font-weight: 500;
    transition: all 0.15s ease-in-out;
    position: relative;
}

.nav-menu-item:hover {
    color: var(--bs-primary);
    background-color: white;
    /* 移除transform以防止布局偏移 */
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.nav-menu-item.active {
    color: var(--bs-primary);
    background-color: white;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

/* 用户头像 */
.user-avatar {
    width: 32px;
    height: 32px;
    background-color: var(--bs-secondary-bg, #f8f9fa);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bs-body-color, #6c757d);
    position: relative;
    overflow: hidden;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    position: absolute;
    top: 0;
    left: 0;
    display: none;
}

.user-avatar img[src]:not([src=""]) {
    display: block;
}

.user-avatar i {
    font-size: 1.2rem;
    z-index: 1;
}

.user-email {
    color: #495057;
    font-weight: 500;
}

/* 主题切换按钮 */
#themeToggle {
    border: none;
    background: none;
    color: var(--bs-secondary-color);
    font-size: 1.1rem;
    transition: color 0.15s ease-in-out;
}

#themeToggle:hover {
    color: var(--bs-primary);
}

/* 移动端侧边栏样式 */
.mobile-nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-nav-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--bs-body-color);
    text-decoration: none;
    border-radius: var(--border-radius-custom);
    transition: all 0.2s ease;
    font-weight: 500;
}

.mobile-nav-item:hover {
    background-color: var(--bs-primary-bg-subtle);
    color: var(--bs-primary);
    text-decoration: none;
}

.mobile-nav-item.active {
    background-color: var(--bs-primary);
    color: white;
}

.mobile-nav-item.active:hover {
    background-color: var(--bs-primary);
    color: white;
}

.mobile-nav-item.text-danger:hover {
    background-color: var(--bs-danger-bg-subtle);
    color: var(--bs-danger);
}

/* 移动端侧边栏宽度调整 */
.offcanvas {
    width: 50vw;
    max-width: 320px;
    min-width: 200px;
}

/* 移动端响应式调整 */
@media (max-width: 991.98px) {
    .navbar-toggler {
        border: none;
        padding: 0.25rem 0.5rem;
        margin-right: 0;
        order: 1;
    }
    
    .navbar-toggler:focus {
        box-shadow: none;
    }
    
    .dropdown-toggle {
        padding: 0.375rem 0.5rem;
        border: none;
    }
    
    .dropdown-toggle:focus {
        box-shadow: none;
    }
    
    .user-avatar {
        width: 28px;
        height: 28px;
    }
    
    /* 移动端导航栏右侧区域 */
    .navbar .d-flex.align-items-center.ms-auto {
        order: 3;
    }
    
    /* 移动端用户邮箱显示 */
    .user-email {
        font-size: 0.875rem;
        max-width: 120px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    
    .navbar-nav-center {
        display: none !important;
    }
}

@media (max-width: 575.98px) {
    .navbar-brand-text {
        font-size: 1rem;
    }
}

/* 暗色主题适配 */
[data-bs-theme="dark"] .navbar {
    background-color: rgba(33, 37, 41, 0.95) !important;
    border-bottom: 1px solid #495057;
}

[data-bs-theme="dark"] .navbar-brand {
    color: var(--bs-body-color) !important;
}

[data-bs-theme="dark"] .navbar-toggler {
    border-color: #495057;
}

[data-bs-theme="dark"] .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

[data-bs-theme="dark"] .nav-menu {
    background-color: #343a40;
}

[data-bs-theme="dark"] .nav-menu-item {
    color: #adb5bd;
}

[data-bs-theme="dark"] .nav-menu-item:hover {
    background-color: #495057;
    color: var(--bs-primary);
}

[data-bs-theme="dark"] .nav-menu-item.active {
    background-color: #495057;
    color: var(--bs-primary);
}

[data-bs-theme="dark"] .user-avatar {
    background-color: #343a40;
    color: #adb5bd;
}

[data-bs-theme="dark"] .user-email {
    color: #adb5bd;
}

[data-bs-theme="dark"] .mobile-nav-item {
    color: #adb5bd;
}

[data-bs-theme="dark"] .mobile-nav-item:hover {
    background-color: #495057;
    color: var(--bs-primary);
}

[data-bs-theme="dark"] .mobile-nav-item.active {
    background-color: var(--bs-primary);
    color: white;
}

/* 导航栏相关的dropdown和offcanvas暗色主题样式 */

[data-bs-theme="dark"] .dropdown-menu {
    background-color: #343a40;
    border-color: #495057;
}

[data-bs-theme="dark"] .dropdown-item {
    color: var(--bs-body-color);
}

[data-bs-theme="dark"] .dropdown-item:hover {
    background-color: #495057;
    color: var(--bs-body-color);
}

[data-bs-theme="dark"] .offcanvas {
    background-color: #343a40;
    color: var(--bs-body-color);
}

[data-bs-theme="dark"] .offcanvas-title {
    color: var(--bs-body-color);
}

[data-bs-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* 打印时隐藏导航栏 */
@media print {
    .navbar,
    .offcanvas {
        display: none !important;
    }
}