/* ========================================
   导航栏样式 - Navbar Styles
   ======================================== */

/* 导航栏容器 */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.8), 0 0 15px rgba(139, 92, 246, 0.15);
    border-bottom: 2px solid rgba(139, 92, 246, 0.4);
    z-index: 1000;
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo */
.nav-logo {
    font-size: 1.25rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 1px;
    text-decoration: none;
    text-transform: uppercase;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.nav-logo:hover {
    color: #c4b5fd;
    text-shadow: 0 0 20px rgba(139, 92, 246, 0.8), 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* 导航链接 */
.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-color);
    text-shadow: 0 0 8px rgba(139, 92, 246, 0.5);
}

/* 导航栏右侧区域 */
.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* 语言切换按钮 */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.4rem 0.75rem;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark);
    transition: all 0.3s;
    user-select: none;
}

.lang-toggle:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.4);
}

.lang-toggle .lang-current {
    color: var(--primary-color);
    font-weight: 700;
}

.lang-toggle:hover .lang-current {
    color: white;
}

.lang-toggle .lang-separator {
    color: #94a3b8;
    font-size: 0.75rem;
}

.lang-toggle:hover .lang-separator {
    color: rgba(255, 255, 255, 0.7);
}

.lang-toggle .lang-other {
    color: #94a3b8;
    font-weight: 400;
}

.lang-toggle:hover .lang-other {
    color: rgba(255, 255, 255, 0.9);
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all 0.3s;
    box-shadow: 0 0 5px rgba(139, 92, 246, 0.3);
}

/* 响应式 */
@media (max-width: 768px) {
    .nav-right {
        gap: 1rem;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
        border-bottom: 1px solid rgba(139, 92, 246, 0.2);
        transform: translateY(-150%);
        transition: transform 0.3s;
    }

    .nav-links.active {
        transform: translateY(0);
    }
}