/**
 * 少儿编程成就展示系统 - 导航栏样式
 * 现代化多巴胺风格导航和菜单样式
 */

/* 导航栏基础样式 - 现代简约风格 */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    border-radius: 0 0 1.5rem 1.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    z-index: 1030;
    padding: 0.75rem 1rem;
}

/* 深色模式导航栏 */
[data-theme="dark"] .navbar {
    background: rgba(30, 41, 59, 0.8);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

/* 品牌名称样式 */
.navbar-brand {
    font-weight: 700;
    font-size: 1.35rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.navbar-brand i {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

/* 导航链接样式 */
.navbar-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    color: var(--gray-700);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.75rem;
    transition: all 0.25s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
    background-color: rgba(99, 102, 241, 0.08);
    transform: translateY(-2px);
}

.nav-link.active {
    color: var(--primary-color);
    background-color: rgba(99, 102, 241, 0.12);
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 20px;
    height: 3px;
    transform: translateX(-50%);
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
}

/* 下拉菜单样式 */
.dropdown-menu {
    width: 220px;
    min-width: 220px;
    padding: 0.75rem;
    border: none;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 1rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    animation: dropdownFadeIn 0.25s ease;
    margin-top: 0.5rem;
    position: absolute;
    z-index: 1030;
}

[data-theme="dark"] .dropdown-menu {
    background: rgba(30, 41, 59, 0.95);
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    padding: 0.6rem 1rem;
    border-radius: 0.75rem;
    margin-bottom: 0.25rem;
    font-weight: 500;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    white-space: normal;
    word-wrap: break-word;
    transition: all 0.2s ease;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    transform: translateX(3px);
}

.dropdown-item i {
    font-size: 1.1rem;
    width: 1.5rem;
    text-align: center;
}

.dropdown-divider {
    margin: 0.5rem 0;
    opacity: 0.1;
}

/* 汉堡菜单按钮样式 */
.navbar-toggler {
    border: none;
    background: transparent;
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 0.75rem;
    display: none;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}

.navbar-toggler:hover {
    background-color: rgba(99, 102, 241, 0.1);
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* 汉堡菜单图标动画 */
.navbar-toggler .navbar-toggler-icon {
    position: relative;
    width: 22px;
    height: 2px;
    background-color: var(--gray-700);
    border-radius: 5px;
    transition: all 0.3s ease;
}

.navbar-toggler .navbar-toggler-icon::before,
.navbar-toggler .navbar-toggler-icon::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 2px;
    background-color: var(--gray-700);
    border-radius: 5px;
    transition: all 0.3s ease;
}

.navbar-toggler .navbar-toggler-icon::before {
    transform: translateY(-7px);
}

.navbar-toggler .navbar-toggler-icon::after {
    transform: translateY(7px);
}

/* 汉堡菜单打开状态 */
.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
    background-color: transparent;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
    transform: translateY(0) rotate(45deg);
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after {
    transform: translateY(0) rotate(-45deg);
}

/* 消息提醒样式 */
.alert {
    border-radius: 1rem;
    border: none;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    padding: 1rem 1.25rem;
    margin-bottom: 2rem;
    border-left: 4px solid var(--info-color);
}

.alert-info {
    border-left-color: var(--info-color);
}

.alert-success {
    border-left-color: var(--success-color);
}

.alert-warning {
    border-left-color: var(--warning-color);
}

.alert-danger {
    border-left-color: var(--danger-color);
}

/* 移动端和响应式调整 */
@media (max-width: 991.98px) {
    .navbar {
        padding: 0.6rem 1rem;
    }

    .navbar-nav {
        display: none;
        /* 移除fixed定位和max-height，默认隐藏 */
        width: 100%;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        flex-direction: column;
        align-items: flex-start;
        padding: 1rem;
        margin-top: 1rem;
        border-radius: 1rem;
        z-index: 1020;
    }

    [data-theme="dark"] .navbar-nav {
        background: rgba(30, 41, 59, 0.95);
    }

    .navbar-nav.show,
    .navbar-collapse.show .navbar-nav {
        display: flex;
        /* 移除max-height设置，直接使用display控制 */
    }

    .navbar-toggler {
        display: flex;
    }

    .nav-item {
        width: 100%;
        margin: 0.25rem 0;
    }

    .nav-link {
        width: 100%;
        padding: 0.75rem 1rem;
    }

    .dropdown-menu {
        width: 100%;
        position: static !important;
        background: rgba(255, 255, 255, 0.95);
        box-shadow: none;
        border-radius: 0.75rem;
        margin-left: 1rem;
        animation: none;
        padding: 0.5rem;
        margin-top: 0.25rem;
        margin-bottom: 0.5rem;
    }

    [data-theme="dark"] .dropdown-menu {
        background: rgba(30, 41, 59, 0.95);
    }

    .dropdown-item {
        padding: 0.75rem 1rem;
    }
}

/* 确保下拉菜单内容不影响文档流 */
.navbar-nav .dropdown-menu.show {
    position: absolute !important;
    transform: none !important;
}

/* 管理下拉菜单的位置 */
@media (min-width: 992px) {
    .dropdown-menu {
        right: 0;
        left: auto;
    }
}