/* 导航栏样式 */
.global-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--modal-background);
    backdrop-filter: var(--apple-blur);
    -webkit-backdrop-filter: var(--apple-blur);
    border-bottom: none;
    z-index: 9999;
}

.header-container {
    max-width: 1024px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 22px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    opacity: 0.92;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 1;
}

.logo-image {
    width: 28px;
    height: 28px;
    display: block;
}

.logo-text {
    font-size: 17px;
    font-weight: 500;
    color: #1d1d1f;
    letter-spacing: -0.01em;
}

.nav-menu {
    display: flex;
    gap: 32px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item a {
    font-size: 12px;
    color: rgba(0, 0, 0, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
    letter-spacing: -0.01em;
    font-weight: 400;
}

.nav-item a:hover {
    color: rgba(0, 0, 0, 1);
}

/* 用户信息 */
.user-info {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.user-nickname {
    font-size: 12px;
    color: rgba(0, 0, 0, 0.8);
    font-weight: 400;
}

.logout-link {
    font-size: 12px !important;
    color: var(--color-danger) !important;
    opacity: 0.8;
}

.logout-link:hover {
    opacity: 1;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-container {
        padding: 0 16px;
    }
    
    .nav-menu {
        gap: 20px;
    }

    .logo-text {
        display: none;
    }
}